CN105586662A - Composite fiber of spices and preparation method and application of composite fiber - Google Patents
Composite fiber of spices and preparation method and application of composite fiber Download PDFInfo
- Publication number
- CN105586662A CN105586662A CN201610102332.XA CN201610102332A CN105586662A CN 105586662 A CN105586662 A CN 105586662A CN 201610102332 A CN201610102332 A CN 201610102332A CN 105586662 A CN105586662 A CN 105586662A
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- Prior art keywords
- spices
- doughnut
- glycol
- composite fibre
- perfusion liquid
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Classifications
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- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
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Abstract
The invention relates to a composite fiber of spices and a preparation method and application of the composite fiber. The composite fiber of the spices is in a skin-core structure and comprises a hollow fiber as a skin layer and a core layer in a hollow cavity of the hollow fiber; and the core layer comprises a core layer base material and the spices dispersed in the core layer base material. The preparation method comprises the following steps: preparing a perfusion fluid from the spices and the core layer base material; injecting the perfusion fluid into the hollow cavity of the hollow fiber; and then carrying out solidification to form the core layer. The method provided by the invention can achieve recombination of various spices and fibers; the spice content in the composite fiber of the spices is relatively high; and the functional effect is relatively good.
Description
Technical field
The invention belongs to textile function fibre technology field, be specifically related to a kind of spices composite fibre and preparation thereofMethods and applications.
Background technology
Spices comes arrogantly " good medicine ", the epidemic prevention of human use's spices, the anticorrosion history that has thousand.At present large health industry is being risen and will become new century " Gold Industry ", Textile Fibre Product be withThe articles for daily use that human body is pressed close to most, have natural associated with health industry. Therefore, how by spices with spinKnit material combination, exploitation has antibacterial, epidemic prevention, healthy Textile Fibre Product anticorrosion, health care becomesFor the research and development focus of new textile material and product. At present, " Health China " risen to national strategy,And textile industry is one of Chinese large industry of tradition, functional fibre material is the weight of textile industry upgrading transitionWanting material base, is also the important node that traditional textile industry is combined with health industry, the healthy merit of development of newCan textile fabric industry be of great practical significance fibrous material.
Although the modern science and technology field development such as new material, Information technology and bioengineering are maked rapid progress, novel meritCan material emerge in an endless stream, but the basic technology of traditional textile fabric manufacturing technology almost do not change, dryIn method spinning, wet spinning, melt spinning and electrostatic spinning process, the formation of " spinning solution " and spinningIn journey, there are specific solvent or high-temperature technology conditional request, limited high temperature or/and the spices of solvent sensitivity existsApplication in textile fiber material.
Patent US4713291 and patent CN1007362B disclose a kind of fragrant fiber of skin-core structure,Ask under the spices normal pressure of use the boiling point must be higher than 150 DEG C, otherwise the resinous wood of available formation fibrocortexMaterial can be subject to strict restriction, as conventional polyester, polyamide, polypropylene etc. neither can use. Send out simultaneouslyExisting, quality of flavoring proportion lower than 0.1% time, fragrance effect a little less than, and quality of flavoring accounting is greater than 10%Time, stability of spinning process reduces, and selecting the best accounting of spices is 0.5%～2%. Patent CN1594684APropose the spinning of fragrant masterbatch blending extrusion and prepare fragrant fiber, in the time that fragrant masterbatch quality accounting is 7%, canThe property spun is poor, and broken end doubling is many, produces difficulty, and when fragrant masterbatch quality accounting is 4%, spinnability is better, butThe fragrance of fiber is lighter, and while selecting fragrant masterbatch quality accounting to be 5%, spinnability is better, and fiber fragrance alsoDense, the quality accounting of hence one can see that spices is lower than 5%. The disclosed skin-core structure of patent CN104294404AIn fragrant fiber, essence addition only has 0.01%～0.3%.
In order to adapt to high-temperature technology condition, the method that patent CN104562291A proposes is to adopt high temperature resistant foodWith essence, the maximum addition of essence is 2.5%; The disclosed technology of patent CN105002584A is to adopt to receiveThe method of meter Xiang Jing cyclodextrin dressing is manufactured fragrant masterbatch, nano essence only account for 3% of fragrant masterbatch weight～6%; In the polyamide fibre fragrant fiber technical scheme that patent CN104178844A provides, adopt 3%～4.9% to containThere is the chinlon 6 section consolute extruding spinning of high-temperature resistant essence microcapsules fragrant masterbatch and accounting 95.1%～97%,Essence accounting is also lower.
For fear of the impact of high temperature, Chinese patent CN100580171C has proposed to dip the method system of absorptionStandby spices composite fibre, with the soaked with liquid doughnut of spices and auxiliary material composition, allows spices immerse in fiber,Then wash away material that fiber appearance adheres to and obtain the fiber that contains spices after dry. The inventor tests discoveryThis method not only will expend a large amount of spices, and washing and dry process have a large amount of perfume loss, spyBe not that washing is difficult to realize cleaning completely, processing after fiber (as spinning) almost can not be carried out.
In fact, traditional dry spinning, wet spinning, melt spinning and the electrostatic spinning of recently developingIn technique, in the formation of " spinning solution " and spinning process, there are specific solvent or high-temperature technology conditional request,And most of spices is all the material of high temperature or solvent " sensitivity ", and most of spices is by tens kinds veryTo the different material composition of hundreds of molecular size range, before temperature reaches boiling point, little molecular weight composition alreadyVolatilization, and in textile fiber material, the fusing point of low melting point resin is also all up to more than 150 DEG C, particularly conventionalIn Direct-spinning of PET Fiber technique, temperature is more than 200 DEG C, and the partial elements in spices has started to decompose. Obviously be applicable toThe spices kind of tradition spinning process condition is very limited.
In addition, in traditional spinning technique, after fibre forming, must, through drawing-off processing, require the fibre of initial stage shapingDimension has certain hot strength, and the spices adding and auxiliary material are strong to tensile fiber as a kind of " impurity "Degree impact is very large, and when generally addition exceedes 5%, spinning process is difficult to carry out, the perfume (or spice) therefore addingMaterial amount is limited, prepares in some cases spices composite fibre functional effect not strong.
Secondly, in traditional textile fabric manufacturing technology process, due to not only spices of the restriction of process conditionsThe selection of kind has limitation, and also limited with the selection of the supporting auxiliary material of spices, as consideredThe adaptability of auxiliary material to the temperature in spinning technique or solvent, therefore at the fragrance of controlling or regulate preparationPerformance (as the slow release characteristic) aspect of fiber is restricted.
Therefore, the application to the spices of responsive to temperature type in fibrous material has very large restriction, not onlyLimit the kind of spices, also limited the addition of spices, corresponding developable spices composite fibre meritEnergy kind and functional effect are all restricted.
Summary of the invention
The object of the invention is to overcome the above-mentioned deficiency of prior art, provide a kind of spices composite fibre andPreparation method with and application, to solve existing spices composite fibre owing to adopting high temperature in its preparation processOr solvent and cause that flavour content is not high or kind is limited, or further do not cause existing performance good and cause perfume (or spice)Material composite fibre uses limited technical problem.
In order to realize foregoing invention object, one aspect of the present invention, provides a kind of spices composite fibre. DescribedSpices composite fibre is skin-core structure, comprises taking doughnut as cortex and in described doughnut cavitySandwich layer, wherein, described sandwich layer comprises core substrate and is scattered in the spices in described core substrate.
The present invention on the other hand, provides a kind of preparation method of spices composite fibre, comprises following steps:
Spices and core substrate raw material are mixed with to perfusion liquid;
After described perfusion liquid being poured in the cavity of doughnut, carry out room temperature placement or in lower than 80 DEG C of heatingProcess, make the described perfusion liquid pouring in described doughnut cavity solidify to form sandwich layer.
Another aspect of the invention, provides the range of application of spices composite fibre of the present invention. Spices of the present invention is multipleCondensating fiber or the spices composite fibre prepared by spices composite fibre preparation method of the present invention clothes, shoes and hats,Family is spun, application in the functional textile product of personal hygiene article, military, medical treatment and nursing and rehabilitation field.
Compared with prior art, spices composite fibre of the present invention is directly scattered in spices in core substrate and establishesBe placed in the cavity body of doughnut, so on the one hand, avoided sandwich layer to be shaped with hollow fiber spinning, fromAnd avoided spices because the adverse effect of the solvent in traditional fibre spinning technique technique and high temperature causes wavingThe loss of sending out or decomposing, has ensured the more and content of spices kind applicable in spices composite fibre of the present invention moreHeight, makes spices with respect to spices composite fibre gross weight of the present invention, flavour content can up to 30%, fromAnd guarantee spices composite fibre functional effect of the present invention; On the other hand, selecting doughnut is cortex construction,Avoid spices and directly mixing of fibrocortex material and had influence on the performance that fibre spinning forms, overcomeThe fiber correlated performance of existing spices composite fibre suffer damage and the problem that declines.
The preparation method of spices composite fibre of the present invention is the perfusion liquid that spices and core substrate raw material are mixed withAfter directly pouring in the cavity of the doughnut of spinning technique, be cured processing, that is to say the present inventionMethod is that hollow fiber spinning forming technology and sandwich layer are separated to preparation, effective like this content that ensures spicesAnd kind, as flavour content with respect to spices composite fibre gross weight of the present invention can up to 30%, Er QienengStablizing of the spices composite fibre flavour content of enough guarantee preparations and kind, has effectively overcome existing spices compoundFiber preparation method easily causes the deficiency of spices volatilization or decomposition penalty. In addition, the inventive method is direct generalSpices loads in the sandwich layer of established doughnut, has avoided directly mixing of spices and fibre resin,Thereby ensure the fiber correlated performance of the spices composite fibre excellence of preparation, but also widened core substrateThe range of choice of raw material.
There is high-load and polytype spices, its functional effect just because of spices composite fibre of the present inventionBetter, and fiber correlated performance excellence, therefore, it can be widely used in correlation function textile fabric systemIn product, and ensure the quality of relevant textile and the correlation function that spices is given.
Brief description of the drawings
Fig. 1 is the cross section SEM photo of the spices composite fibre that provides of the embodiment of the present invention;
Fig. 2 is embodiment of the present invention spices composite fibre preparation method's process flow diagram;
Fig. 3 is the mixed yarn photo of embodiment of the present invention spices composite fibre and general fibre: wherein, and 3 (a)The mixed yarn photo of peppermint oil, natural borneol composite fibre and the cotton fiber providing for embodiment 6,3 (b)The lavender oil composite fibre providing for embodiment 1 and the mixed yarn photo of ordinary polyester fiber, 3 (c) areThe mixed yarn of tea oil, caryophyllus oil, sandalwood oil composite fibre and ordinary polyester fiber that embodiment 3 provides shinesSheet;
Fig. 4 is the nonwoven photo that embodiment of the present invention spices composite fibre and general fibre are mixed with: itsIn, natural pyrethrin composite fibre and ordinary polyester fiber hybrid nonwoven that 4 (a) provide for embodiment 5The photo of cloth, caryophyllus oil, oil of chamomile composite fibre and ordinary polyester fibre that 4 (b) provide for embodiment 2The photo of dimension hybrid nonwoven cloth, 4 (c) are that embodiment 1 lavender oil composite fibre and ordinary polyester fiber are mixedClose nonwoven;
Fig. 5 is the fabric photo of embodiment of the present invention spices composite fibre and general fibre mixed yarn: 5 (a)The bilateral structure fabric that contains peppermint oil, the composite fiber blended yarn of natural borneol providing for embodiment 6,5(b) the two-sided knot that contains tea oil, caryophyllus oil, the composite fiber blended yarn of sandalwood oil providing for embodiment 3Structure fabric, tea oil, caryophyllus oil, sandalwood oil composite fibre and common washing that 5 (c) provide for embodiment 3The photo of synthetic fibre fiber mixing Li Xinbu.
Detailed description of the invention
In order to make object of the present invention, technical scheme and technique effect clearer, below in conjunction with accompanying drawingAnd embodiment, the present invention is described in further detail. Should be appreciated that specific embodiment described hereinOnly, in order to explain the present invention, be not intended to limit the present invention.
The relevant meaning of a word
The spices of mentioning in embodiment of the present invention description refers to the implication of spices technical field routine, isThe material that has taste that finger can be smelt fragrance or be tasted by the sense of taste by sense of smell. Particularly there is champignon, epidemic prevention, anti-Bacterium, mildew-resistant, mosquito and insect expelling, hypnosis effect etc. have the spices of certain effect.
Doughnut is not as referred in particular to generation, and the doughnut of mentioning in this embodiment description refers to fibreThe fiber axis of dimension technical field usual definition is to the chemical fibre that has thin tube-like cavity, or perforation fiber axis is to having pipeThe chemical fibre of shape cavity.
The sandwich layer of mentioning in embodiment of the present invention description can be understood as that fibre technology field is common and containJustice, specifically refers to the packing structure being arranged in doughnut tubulose cavity.
The weight of the Related Component of mentioning in embodiment of the present invention description in addition, not only can refer to respectivelyThe concrete content of component, also can represent the proportionate relationship of weight between each component, therefore, and as long as according to thisThe content of inventive embodiments description related component zooms in or out in proportion all at embodiment of the present invention descriptionWithin scope of disclosure. Particularly, the weight portion described in embodiment of the present invention description can be μ g,The known unit of weights of chemical field such as mg, g, kg, can be regarded as percentage by weight certainly.
As described in background technology part above, spices comes arrogantly " good medicine ", according to the kind of spices,It has the several functions such as antibacterial, epidemic prevention, anticorrosion, health care. But spices is led in textile fabric spinningIn territory application, it is due to the specific high temperature of spinning technique and/or solvent requirement, and as " impurity " and to fibreDimension hot strength has impact and is restricted. Based on this, the embodiment of the present invention provides the one can efficient solutionCertainly spices composite fibre of this technical problem and preparation method thereof.
On the one hand, the embodiment of the present invention provides a kind of flavour content high, and fibre property correlated performance excellenceSpices composite fibre. In one embodiment, embodiment of the present invention spices complex structure of filament is as 1, accompanying drawingShow, it is skin-core structure, and it comprises taking doughnut 1 as cortex and in described doughnut 1 cavitySandwich layer 2.
Wherein, as an embodiment, above-mentioned sandwich layer 2 comprises core substrate and is scattered in described core substrateSpices. Therefore, that is to say, fragrance component is scattered in sandwich layer 2, avoid spices as " impurity "And mix in doughnut 1 and cause the fiber correlated performance of doughnut 1 to decline, thereby ensureEmbodiment of the present invention spices composite fibre as the excellence of the associated fiber performances such as hot strength, overcome existingSpices composite fibre due to spices participate in directly fibre spinning moulding cause fiber correlated performance to suffer damage andThe problem declining. Meanwhile, above-mentioned sandwich layer 2 is arranged in the cavity of the doughnut 1 being shaped,Avoid sandwich layer with doughnut 1 spinning technique, thereby avoided spices due in traditional fibre spinning techniqueSolvent and the adverse effect of high temperature and the loss that causes volatilization or decompose has ensured embodiment of the present invention spicesIn composite fibre, the kind of spices is more higher with content. Make spices with respect to spices composite fibre of the present inventionGross weight, flavour content can up to 30%, thereby ensure spices composite fibre functional effect of the present invention.
In an embodiment as invention, this sandwich layer 2 and the asynchronous formation of doughnut 1, preferably independentForm doughnut 1, then in the cavity of doughnut 1, directly form sandwich layer 2. Former as by sandwich layer 2Interior rear the solidifying of cavity that material is directly filled into doughnut 1 directly forms sandwich layer 2. Like this, can effectively keep awayExempt from sandwich layer 2 and synchronize formation with doughnut 1, be spun to thereby avoid sandwich layer 2 need to experience doughnut 1The technique of type, thus the adverse effect of spices due to the solvent in fibre spinning moulding process and high temperature avoidedAnd cause volatilization or decompose loss, ensured spices in embodiment of the present invention spices composite fibre content andKind, makes spices high with respect to flavour content in embodiment of the present invention spices composite fibre, thereby has ensuredThe functional effect of embodiment of the present invention spices composite fibre.
The structure of the spices composite fibre providing based on the various embodiments described above, has effectively widened core substrate formerThe range of choice of material. In one embodiment, the contained core substrate of sandwich layer 2 is polymer, and described polymerizationThing is by the product that comprises polyisocyanates and polyalcohol. Due to contain-NCO of polyisocyanates group,And polyalcohol contains-and OH, therefore, polyisocyanates and polyalcohol can be in room temperature or low temperature as lower than 80 DEG CLow temperature under the generation polyether polyols with reduced unsaturation that directly reacts. Like this, spices and polyisocyanates and polyalcoholMixing energy forms as the liquid mixture with reactivity, in mixture directly can being circulated into soIn the cavity of hollow fiber 1, carry out reaction in-situ, thereby directly generate sandwich layer 2, that is to say that reaction in-situ generatesBe dispersed with the polyether polyols with reduced unsaturation sandwich layer 2 of spices. Now, above-mentioned core substrate is polyurethane sandwich layer base material.
Should be understood that, selecting polymer is only one embodiment of the invention as core substrate, thisBright embodiment core substrate can also select other can pay(useful) load spices and be convenient to be arranged at hollow fibre afterwardsOther core substrate in the cavity of dimension 1 are all in this description scope of disclosure.
In further embodiment, control above-mentioned polyisocyanates-NCO group and described polyalcohol containedThe mol ratio of total-OH group be (0.8-1.5): 1 by the mol ratio of optimization reactant, to reduce reactantThe condition of reaction, as can be effectively produced polyurethane sandwich layer base material in room temperature or at lower than the temperature of 80 DEG C,And improve the stability of polyurethane sandwich layer base material, thus improve the stability of spices, ensure high the containing of spicesThe stability of amount and kind.
In specific embodiment, described polyisocyanates is selected from toluene di-isocyanate(TDI) (TDI), durolYour ketone two of dimethylene diisocyanate (TMXDI), methyl diphenylene diisocyanate (MDI), different fluorine is differentAt least one in cyanate (IPDI), XDI (XDI).
In another specific embodiment, described polyalcohol is selected from PEO glycol (PEG), poly-epoxy thirdAlkane glycol (PPE), polytetrahydrofuran diol, poly-hexanedioic acid glycol ester glycol, poly-hexanedioic acid-Isosorbide-5-Nitrae-Ding bis-Alcohol esterdiol, pla-pcl glycol, PCDL, diglycol, ethylene glycol, Isosorbide-5-Nitrae-Ding bis-Alcohol, 1,2-PD, dipropylene glycol, 1,6-hexylene glycol, neopentyl glycol, Isosorbide-5-Nitrae-cyclohexane dimethyl carbinol,Glycerine, triol, trimethylolpropane, pentaerythrite, xylitol, sweet mellow wine, sorbierite, castor-oil plantAt least one in oil, sucrose; In further embodiment, described polyalcohol comprise diatomic alcohol compounds andOther polyol compounds, and described dihydroxylic alcohols-OH group molal quantity accounts for described polyalcohol total-OHThe ratio of group molal quantity is more than 50%. By optimizing the kind of reactant, further reduce reactant anti-The condition of answering, and improve the stability of polyurethane sandwich layer base material, thus improve the stability of spices, ensureThe content that spices is high and the stability of kind.
On the basis of the various embodiments described above, the contained spices of sandwich layer 2 can be to carry out according to the needs of functionSelect flexibly, as be selected from least one in natural perfume material, artificial synthetic perfume, the artificial synthetic perfume of part.In specific embodiment, this spices can be selected from there is champignon, epidemic prevention, antibacterial, mildew-resistant, mosquito and insect expelling,At least one in the spices of hypnosis effect.
On the basis of the various embodiments described above, above-mentioned doughnut 1 can be selected the hollow of this area routineFiber, can select flexibly according to the needs in the applied field of embodiment of the present invention spices composite fibre,As select the doughnut of organic fiber-forming polymer material, and in one embodiment, described organic fiber-forming polymerFor at least one in polypropylene, polyethylene, PLA, polyamide, PET. ?In another embodiment, this doughnut 1 is selected the doughnut 1 of sidewall without through hole.
Because the spices composite fibre providing in the various embodiments described above is to contain the base of spices and formation sandwich layer 2Material raw material is set directly in the cavity of doughnut 1, the preferred as above-mentioned polymerization that is mixed with spices of employingThe mode reaction in-situ that thing monomer pours into forms sandwich layer 2, therefore, can cause hardly the volatilization of spices or divideSeparate equal loss, can make the content of spices in spices composite fibre up to 30%. That is to say can rootAccording to need to regulating relatively flexibly the content of spices of application. In addition, can also be by selecting hollowThe hollow rate of fiber 1 is controlled the content ratio of spices, and selecting hollow rate is 10%～40% described hollowFiber. Therefore, as in one embodiment, can spices be 1% at the content in spices composite fibre～30%, be preferably preferred 10%～25%.
On the other hand, the embodiment of the present invention also provides embodiment of the present invention spices composite fibre mentioned aboveA kind of preparation method. In one embodiment, by reference to the accompanying drawings 1, embodiment of the present invention spices composite fibreAs shown in Figure 2, it comprises the steps: preparation method's technological process
Step S01: spices and core substrate raw material are mixed with to perfusion liquid;
Step S02: described perfusion liquid is poured in the cavity of doughnut 1;
Step S03. leave standstill or the perfusion liquid that is heating and curing: to the doughnut pouring into carry out room temperature placement orIn lower than 80 DEG C of heat treated, make the described perfusion liquid pouring in described doughnut cavity solidify to form coreLayer 2.
Wherein, as above text inventive embodiments spices composite fibre sandwich layer of the spices described in above-mentioned steps S012 contained spices, also as above text inventive embodiments spices is compound for the doughnut 1 in above-mentioned steps S02The doughnut of fiber, in order to save length, does not repeat them here.
Core substrate raw material described in this step S01 can be selected can pay(useful) load spices and be convenient to afterwardsThe core substrate raw material being arranged in the cavity of doughnut 1 all can. In one embodiment, core substrate is formerMaterial is selected the reactant of polymer. As one embodiment of the invention, how different the reactant of this polymer compriseCyanate and polyalcohol. As described above, due to contain-NCO of polyisocyanates group, and polyalcohol containsHave-OH group, therefore, polyisocyanates and polyalcohol can be in room temperature or low temperature as the low temperature lower than 80 DEG CGeneration polyether polyols with reduced unsaturation directly reacts down. Like this, reactant may form as liquid reaction mixingThing, so fragrance component be batch mixing in reactant mixture, be beneficial on the one hand the dispersion of spices, on the other handMixture directly can be circulated in the cavity of doughnut 1 and carry out reaction in-situ, thereby directly generate coreLayer 2, that is to say that original position generates the polyether polyols with reduced unsaturation sandwich layer 2 that is dispersed with spices, to improve the uniformity of sandwich layer.Now, above-mentioned core substrate is polyurethane sandwich layer base material.
In further embodiment, control above-mentioned reactant polyisocyanates-NCO group and described polynaryAlcohol contained total-mol ratio of OH group is (0.8-1.5): 1. By optimizing the mol ratio of reactant, to fallThe condition of low reaction thing reaction, as effectively production polyurethane core in room temperature or at lower than the temperature of 80 DEG CLayer base material, and improve the stability of polyurethane sandwich layer base material, thus improve the stability of spices, ensure fragrantExpect high content and the stability of kind.
In specific embodiment, described polyisocyanates is selected from toluene di-isocyanate(TDI) (TDI), durolYour ketone two of dimethylene diisocyanate (TMXDI), methyl diphenylene diisocyanate (MDI), different fluorine is differentAt least one in cyanate (IPDI), XDI (XDI). Described polyalcohol choosingFrom PEO glycol (PEG), polypropylene oxide glycol (PPE), polytetrahydrofuran diol, poly-Diacid glycol ester glycol, poly-hexanedioic acid-BDO esterdiol, pla-pcl glycol, Merlon twoAlcohol, diglycol, ethylene glycol, BDO, 1,2-PD, dipropylene glycol, 1,6-is ownGlycol, neopentyl glycol, Isosorbide-5-Nitrae-cyclohexane dimethyl carbinol, glycerine, triol, trimethylolpropane, season pentaAt least one in tetrol, xylitol, sweet mellow wine, sorbierite, castor oil, sucrose;
In further embodiment, described polyalcohol comprises diatomic alcohol compounds and other polyol compounds,And described dihydroxylic alcohols-ratio of OH group molal quantity accounts for described polyalcohol total-OH group molal quantity isMore than 50%.
In one embodiment, the perfusion liquid by preparing in step S01 in above-mentioned steps S02 is circulated into hollowIn the cavity of fiber 1, be:
Described doughnut 1 two ends are sealed in respectively in two containers, more described perfusion liquid is added whereinIn a container, and keep doughnut 1 end being sealed in the container that is added with described perfusion liquid to be submerged intoBelow described perfusion liquid liquid level, then with dry Compressed Gas, the container that described perfusion liquid is housed is just appliedPress, to another container vacuum-pumping, under the effect of pressure differential, described perfusion liquid is poured into into doughnut cavityCavity in. In specific embodiment, to be equipped with the container of described perfusion liquid apply malleation for but be not only0.1～2MPa. The vacuum of another container vacuum-pumping is but is not only-300mmHg～-700MmHg. Adopt pressure differential that perfusion liquid can be filled in the cavity of doughnut 1 as much as possible, withRealize the content that improves as far as possible sandwich layer 2, that is to say the content of indirect raising spices.
In above-mentioned steps S03, to having loaded, the doughnut of perfusion liquid leaves standstill or heat treated is in order to makeThe perfusion liquid that contains spices is cured processing, makes to be poured in perfusion in described doughnut cavity liquid-solidChange and form described sandwich layer. This curing processing can room temperature be placed, and perfusion liquid is cured, and also canAdopt low temperature solidifying as the heat treatment acceleration perfusion liquid lower than 80 DEG C. In one embodiment, when perfusion liquid isWhen the reactant monomer polyisocyanates of polyurethane mentioned above and the mixture of polyalcohol, in this room temperature certainlySo solidify or low temperature as in the process of the heat cure lower than 80 DEG C, polyisocyanates and polyalcohol carry out polymerizationReaction and generate urethanes, thus form the sandwich layer 2 that contains spices and be fixedly arranged on doughnut 1In cavity.
Therefore, the preparation method of embodiment of the present invention spices composite fibre joins spices and core substrate raw materialThe perfusion liquid of making is cured processing after directly pouring in the cavity of the doughnut of spinning technique, alsoThat is to say that embodiment of the present invention method is that hollow fiber spinning technique and sandwich layer are separated to preparation, so effective guarantorHaving demonstrate,proved spices does not experience as the high temperature in traditional spinning technique or/and the impact of solvent can realize a greater variety ofSpices and fiber composite, and can ensure the spices composite fibre flavour content of preparation and stablizing of kind,Effectively overcome the deficiency that existing spices composite fibre preparation method easily causes spices decomposition or volatilizing loss. SeparatelyOutward, embodiment of the present invention preparation method be directly spices is loaded on to the sandwich layer 2 of rear formation within, avoidedDirectly mixing of spices and fibre resin, thus ensure that the fiber of the spices composite fibre excellence of preparing is relevantPerformance, but also the range of choice of having widened core substrate raw material.
There is high flavour content and can load many just because of the invention described above embodiment spices composite fibrePlant load even flexibly and wish the spices of kind, and can not cause the fiber correlated performance of fiber itselfInfringement. Therefore, embodiment of the present invention spices composite fibre mentioned above or real according to the invention described aboveExecute spices composite fibre prepared by routine spices composite fibre preparation method and can be widely used in correlation function weavingIn fibre, spin as being widely used in clothes, shoes and hats, family, personal hygiene article, military, doctorTreat in the functional textile product of nursing and rehabilitation field. Like this, effectively ensure relevant textile quality andThe correlation function that spices is given.
Now, taking concrete spices composite fibre and preparation method thereof as example, the present invention is carried out further saying in detailBright.
Embodiment 1
The present embodiment 1 provides a kind of lavender oil composite fibre, has skin-core structure, and its structure is as Fig. 1,Comprise taking doughnut as cortex and in described doughnut cavity by lavender oil and auxiliary material shapeThe sandwich layer becoming. This fiber has perfume health-care effect.
This lavender oil composite fibre preparation method's technological process, with reference to shown in Fig. 2, comprises the steps:
Step S11. obtains doughnut: get hollow rate and be 25%, specification is without through hole in 75D/36F, wallPolyester filament cut into 60 long of silk sections of 5m and be merged into tow, with fluid sealant by about tow two ends 10cmLong part encloses respectively two volumes and is about 50ml, is highly about in the container of 10cm, makes towEnd is the bottom surface of contacting container just in time;
Step S12. preparation spices and polyalcohol mixed liquor: get 0.7g trimethylolpropane and 18ml lavenderAfter oil is miscible, add the diglycol of 1.5ml mix and keep the temperature of 20 DEG C, prepare spices and polynaryAlcohol mixed liquor is for subsequent use;
Step S13. prepares perfusion liquid: get 9ml XDI and 0.5ml toluene two isocyanidesAcid esters joins spices and polyalcohol mixed liquor prepared by step S12 after mixing, and keeps the temperature of 20 DEG C,Preparation perfusion liquid is for subsequent use;
Step S14. pours into perfusion liquid in doughnut cavity: perfusion liquid prepared by step S13 addsEnter in one in ready two containers of step S11, make to enclose the doughnut tow in this containerEnd keeps being immersed in below perfusion liquid liquid level, and keeps the temperature of 20 DEG C, by dried compressed air to this appearanceDevice pressurization (about 0.6MPa), simultaneously to another container vacuum-pumping (approximately-400mmHg), approximately 4 hoursMake the cavity of doughnut fill perfusion liquid;
Step S15. is cured processing to perfusion liquid: after completing steps S14, by the pressure in two containersPower is adjusted into malleation (about 0.1MPa) simultaneously and keeps approximately 48 hours, makes in doughnut cavityPerfusion liquid in polyisocyanates and polyalcohol polymerization form the colloid sandwich layer that contains lavender oil, can obtainObtain lavender oil composite fibre filament, in fiber, flavour content is about 12% (w/w).
Application: adopt fiber crimp machine, lavender oil composite fibre filament prepared by embodiment 1 adds curlingAnd cut into the short fiber of 10mm～80mm length, and for forming mixed yarn with ordinary polyester fiber, shouldMixed yarn as shown in Fig. 3 (b), for the fabric of perfume health-care function, nonwoven (as Fig. 4 (c) instituteShow), the manufacture of home textile fiber core material.
Embodiment 2
The present embodiment 2 provides a kind of caryophyllus oil, oil of chamomile composite fibre, has skin-core structure, comprisesTaking doughnut as cortex and in described doughnut cavity by caryophyllus oil and oil of chamomile and auxiliary materialThe sandwich layer that material forms. This fiber has champignon, antibacterial, effect of preventing skin eczema.
This fiber preparation method's technological process, with reference to shown in Fig. 2, comprises the steps:
Step S21: with reference to the step S11 of embodiment 1, difference is that doughnut used is hollow rateBe 35%, specification is the polyester filament without through hole in 100D/24F, wall;
Step S22: get after 20ml caryophyllus oil and 4ml oil of chamomile mix and add 0.2g pentaerythrite abundantMiscible, then add the 1,2-PD of 0.8ml miscible, and keep the temperature of 20 DEG C, prepare spices and polynaryAlcohol mixed liquor is for subsequent use;
Step S23: get the isoflurane chalcone diisocyanate of 4.5ml and the toluene di-isocyanate(TDI) of 0.5ml and mixAfter join spices and polyalcohol mixed liquor prepared by step S22, and keep the temperature of 20 DEG C, preparation perfusionLiquid is for subsequent use;
Step S24: perfusion liquid prepared by step S23 joins in ready two containers of step S21One in, make to enclose doughnut tow end in this container and keep being immersed in below perfusion liquid liquid level,And keep the temperature of 20 DEG C, give this container pressurization (about 0.7MPa) by dried compressed air, simultaneously to anotherContainer vacuum-pumping (approximately-400mmHg), can make the cavity of doughnut fill perfusion liquid in approximately 5 hours;
Step S25: after completing steps S24, the pressure in two containers is adjusted into malleation (approximately simultaneously0.1MPa) and keep approximately 24 hours, make the polyisocyanic acid in the perfusion liquid in doughnut cavityEster and polyalcohol polymerization form the colloid sandwich layer that contains caryophyllus oil and oil of chamomile, can obtain caryophyllus oil and oceanChamomile oil composite fibre filament, in fiber, flavour content is about 20% (w/w).
Application: adopt fiber crimp machine, caryophyllus oil prepared by embodiment 3 and oil of chamomile composite fibre silkBundle adds curling and cuts into the short fiber of 38mm length, for forming mixed yarn with ordinary polyester fiber, withPrepare nonwoven, as shown in Fig. 4 (b), or use for personal hygiene article and the nursing of anti-inflammation functionThe manufacture of product.
Embodiment 3
The present embodiment 3 provides a kind of tea oil, caryophyllus oil and sandalwood oil composite fibre, has skin-core structure,Comprise taking doughnut as cortex and in described doughnut cavity by tea oil, caryophyllus oil and santalThe sandwich layer that oil and auxiliary material form. Effect antibacterial, deodorizing that this fiber has.
This fiber preparation method's technological process as shown in Figure 2, comprises the steps:
Step S31: with reference to the step S11 of embodiment 1, difference is that doughnut used is hollow rateBe 25%, specification is the polypropylene filament yarn without through hole in 100D/24F, wall;
Step S32: get after 10ml caryophyllus oil, 10ml tea oil and 4ml sandalwood oil mix and add 0.1g seasonPenta tetrol and 0.15ml glycerine are fully miscible, then add 1 of 1g, and 6-hexylene glycol is miscible, and keep 20 DEG CTemperature, prepare spices and polyalcohol mixed liquor is for subsequent use;
Step S33: get after the isoflurane chalcone diisocyanate and the mixing of 0.2ml toluene di-isocyanate(TDI) of 5mlJoin spices and polyalcohol mixed liquor prepared by step S32, and keep the temperature of 20 DEG C, preparation perfusion liquidFor subsequent use;
Step S34: perfusion liquid prepared by step S33 joins in ready two containers of step S31One in, make to enclose doughnut tow end in this container and keep being immersed in below perfusion liquid liquid level,And keep the temperature of 20 DEG C, give this container pressurization (about 0.7MPa) by dried compressed air, simultaneously to anotherContainer vacuum-pumping (approximately-500mmHg), can make the cavity of doughnut fill perfusion liquid in approximately 4 hours;
Step S35: after completing steps S34, the pressure in two containers is adjusted into malleation (approximately simultaneously0.1MPa) and keep approximately 24 hours, make the polyisocyanic acid in the perfusion liquid in doughnut cavityEster and polyalcohol polymerization form the colloid sandwich layer that contains caryophyllus oil, tea oil and sandalwood oil, can obtain clovesOil, tea oil and sandalwood oil composite fibre filament, in fiber, flavour content is about 25% (w/w).
Application: adopt fiber crimp machine, caryophyllus oil prepared by embodiment 3, tea oil and sandalwood oil are compoundFibre bundle adds curling and cuts into the short fiber of 61mm length, for forming blending with ordinary polyester fiberYarn, this mixed yarn is as shown in Fig. 3 (c), for the bilateral structure fabric of antibacterial and deodouring and the system of Li XinbuMake, bilateral structure fabric is as shown in Fig. 5 (b), and Li Xinbu is as shown in Fig. 5 (c).
Embodiment 4
The present embodiment 4 provides a kind of valerian oil, pinke needle oil composite fibre, has skin-core structure, comprise withDoughnut be cortex and in described doughnut cavity by valerian oil and pinke needle oil and auxiliary material shapeThe sandwich layer becoming. This fiber have calm the nerves, effect of hypnosis.
This fiber preparation method's technological process, with reference to shown in Fig. 2, comprises the steps:
Step S41: with reference to the step S21 of embodiment 2;
Step S42: after getting 10ml valerian oil, the mixing of 2ml pinke needle oil, add 0.7ml glycerine fully miscible,Add again the BDO of 0.7ml miscible, and keep the temperature of 20 DEG C, prepare spices and mix with polyalcoholLiquid is for subsequent use;
Step S43: the isoflurane chalcone diisocyanate of getting 16.5ml join spices prepared by step S42 withPolyalcohol mixed liquor, and keep the temperature of 20 DEG C, preparation perfusion liquid is for subsequent use;
Step S44: perfusion liquid prepared by step S43 joins in ready two containers of step S41One in, make to enclose doughnut tow end in this container and keep being immersed in below perfusion liquid liquid level,And keep the temperature of 20 DEG C, give this container pressurization (about 0.7MPa) by dried compressed air, simultaneously to anotherContainer vacuum-pumping (approximately-500mmHg), can make the cavity of doughnut fill perfusion liquid in approximately 5 hours;
Step S45: after completing steps S44, the pressure in two containers is adjusted into malleation (approximately simultaneously0.1MPa), and the temperature that is heated to 60 DEG C in container outer fiber is kept approximately 5 hours, make inPolyisocyanates in perfusion liquid in hollow fiber cavity and polyalcohol polymerization formation contain valerian oil and pine needleColloid sandwich layer, can obtain valerian oil and pine needle composite fibre filament, and in fiber, flavour content is about 10%(w/w)。
Adopt fiber crimp machine, valerian oil prepared by embodiment 4 and pine needle composite fibre filament add also curlingCut into the short fiber of 38mm length, for thering is the manufacture of the bedding such as the pillow of hypnosis effect.
Embodiment 5
The present embodiment 5 provides a kind of Metadelphene, pyrethrins composite fibre, has skin-core structure, comprisesTaking doughnut as cortex and in described doughnut cavity by Metadelphene and pyrethrins and auxiliary materialThe sandwich layer that material forms. This fiber has effect of mosquito and insect expelling.
This fiber preparation method's technological process, with reference to shown in Fig. 2, comprises the steps:
Step S51: with reference to the step S21 of embodiment 2;
Step S52: get after 15ml Metadelphene and 6ml pyrethrins mix and add 0.5g trimethylolpropaneFully miscible, then add the neopentyl glycol of 1.3ml miscible, and keep the temperature of 20 DEG C, prepare spices with manyUnit's alcohol mixed liquor is for subsequent use;
Step S53: the isoflurane chalcone diisocyanate of getting 7.3ml join spices prepared by step S52 withPolyalcohol mixed liquor, and keep the temperature of 20 DEG C, preparation perfusion liquid is for subsequent use;
Step S54: perfusion liquid prepared by step S53 joins in ready two containers of step S51One in, make to enclose doughnut tow end in this container and keep being immersed in below perfusion liquid liquid level,And keep the temperature of 20 DEG C, give this container pressurization (about 0.8MPa) by dried compressed air, simultaneously to anotherContainer vacuum-pumping (approximately-500mmHg), can make the cavity of doughnut fill perfusion liquid in approximately 4 hours;
Step S55: after completing steps S54, the pressure in two containers is adjusted into malleation (approximately simultaneously0.2MPa), and the temperature that is heated to 60 DEG C in container outer fiber is kept approximately 5 hours, make inPolyisocyanates in perfusion liquid in hollow fiber cavity and polyalcohol polymerization form and contain Metadelphene, Dalmatian chrysanthemumThe colloid sandwich layer of ester, can obtain Metadelphene, pyrethrins composite fibre filament, and in fiber, flavour content approximatelyBe 19% (w/w).
Application: adopt fiber crimp machine, Metadelphene prepared by embodiment 5, pyrethrins composite fibre silkBundle adds curling and cuts into the short fiber of 38mm length, for forming mixed yarn with ordinary polyester fiber, withFor having the manufacture of mosquito and insect expelling effect nonwoven, nonwoven is as shown in Fig. 4 (a).
Embodiment 6
The present embodiment 6 provides a kind of peppermint oil, natural borneol composite fibre, has skin-core structure, comprisesTaking doughnut as cortex and in described doughnut cavity by peppermint oil and natural borneol and auxiliary materialThe sandwich layer that material forms. This fiber has anti-inflammatory, antipruritic effect.
This fiber preparation method's technological process, with reference to shown in Fig. 2, comprises the steps:
Step S61: with reference to the step S11 of embodiment 1, difference is that doughnut used is hollow rateBe 35%, specification is the polypropylene filament yarn without through hole in 100D/24F, wall;
Step S62: get 25ml peppermint oil and 1.5g natural borneol and add 0.15g pentaerythrite to fill after misciblePoint miscible, then add the PEO glycol 200 of 0.1ml miscible, and keep the temperature of 20 DEG C, preparationSpices and polyalcohol mixed liquor are for subsequent use;
Step S63: the isoflurane chalcone diisocyanate of getting 2.7ml join spices prepared by step S62 withPolyalcohol mixed liquor, and keep the temperature of 20 DEG C, obtain perfusion liquid for subsequent use;
Step S64: perfusion liquid prepared by step S63 joins in ready two containers of step S61One in, make to enclose doughnut tow end in this container and keep being immersed in below perfusion liquid liquid level,And keep the temperature of 20 DEG C, give this container pressurization (about 0.6MPa) by dried compressed air, simultaneously to anotherContainer vacuum-pumping (approximately-300mmHg), can make the cavity of doughnut fill perfusion liquid in approximately 4 hours;
Step S65: after completing steps S64, the pressure in two containers is adjusted into malleation (approximately simultaneously0.2MPa), and room temperature keeps approximately 24 hours, makes how different in the perfusion liquid in doughnut cavityCyanate and polyalcohol polymerization form the colloid sandwich layer that contains peppermint oil, natural borneol, can obtain peppermint oil,Natural borneol composite fibre filament, in fiber, flavour content is about 30% (w/w).
Application: adopt fiber crimp machine, peppermint oil prepared by embodiment 6, natural borneol composite fibre silkBundle adds curling and cuts into the short fiber of 38mm length, for forming mixed yarn with ordinary polyester fiber, and shouldMixed yarn is as shown in Fig. 3 (a), for containing the two-sided of peppermint oil, the composite fiber blended yarn of natural borneolThe manufacture that construction fabric, nonwoven are manufactured, bilateral structure fabric is as shown in Fig. 5 (a).
The foregoing is only implementation example of the present invention, not in order to limit the present invention, all in essence of the present inventionAny amendment of doing within god and principle, be equal to replacement and improvement etc., all should be included in protection of the present inventionIn scope.
Claims (10)
1. a spices composite fibre, it is characterized in that: described spices composite fibre is skin-core structure, comprise taking doughnut as cortex and sandwich layer in described doughnut cavity, wherein, described sandwich layer comprises core substrate and is scattered in the spices in described core substrate.
2. spices composite fibre according to claim 1, is characterized in that: described core substrate is polymer, and described polymer is by the product that comprises polyisocyanates and polyalcohol.
3. spices composite fibre according to claim 2, is characterized in that: described polyisocyanates-NCO group and described polyalcohol contained total-mol ratio of OH group is (0.8-1.5): 1; And/or
Described polyisocyanates is selected from least one in toluene di-isocyanate(TDI) (TDI), tetramethylxylylene diisocyanate (TMXDI), methyl diphenylene diisocyanate (MDI), isoflurane chalcone diisocyanate (IPDI), XDI (XDI); And/or
Described polyalcohol is selected from PEO glycol (PEG), polypropylene oxide glycol (PPE), polytetrahydrofuran diol, poly-hexanedioic acid glycol ester glycol, poly-hexanedioic acid-1,4-butanediol ester glycol, pla-pcl glycol, PCDL, diglycol, ethylene glycol, 1,4-butanediol, 1,2-propane diols, dipropylene glycol, 1,6-hexylene glycol, neopentyl glycol, Isosorbide-5-Nitrae-cyclohexane dimethyl carbinol, glycerine, at least one in triol, trimethylolpropane, pentaerythrite, xylitol, sweet mellow wine, sorbierite, castor oil, sucrose.
4. according to the arbitrary described spices composite fibre of claim 1-3, it is characterized in that: the hollow rate of described doughnut is 10%～40%; And/or
Described doughnut cortex is organic fiber-forming polymer; And/or
Taking described spices composite fibre gross weight as 100%, described flavour content is 1%～30%; And/or
Described spices is selected from least one in natural perfume material, artificial synthetic perfume, the artificial synthetic perfume of part.
5. spices composite fibre according to claim 4, is characterized in that: described spices be selected from there is champignon, at least one in the spices of epidemic prevention, antibacterial, mildew-resistant, mosquito and insect expelling, hypnosis effect.
6. a preparation method for spices composite fibre, comprises following steps:
Spices and core substrate raw material are mixed with to perfusion liquid;
After described perfusion liquid being poured in the cavity of doughnut, carry out room temperature placement or in lower than 80 DEG C of heat treated, make the described perfusion liquid pouring in described doughnut cavity solidify to form sandwich layer.
7. preparation method according to claim 6, is characterized in that: described core substrate raw material is the mixture that comprises polyisocyanates and polyalcohol.
8. preparation method according to claim 7, is characterized in that: described polyisocyanates-NCO group and described polyalcohol contained total-mol ratio of OH group is (0.8-1.5): 1, described in; And/or
Described polyisocyanates is selected from least one in toluene di-isocyanate(TDI) (TDI), tetramethylxylylene diisocyanate (TMXDI), methyl diphenylene diisocyanate (MDI), isoflurane chalcone diisocyanate (IPDI), XDI (XDI); And/or
Described polyalcohol is selected from PEO glycol (PEG), polypropylene oxide glycol (PPE), polytetrahydrofuran diol, poly-hexanedioic acid glycol ester glycol, poly-hexanedioic acid-1,4-butanediol ester glycol, pla-pcl glycol, PCDL, diglycol, ethylene glycol, 1,4-butanediol, 1,2-propane diols, dipropylene glycol, 1,6-hexylene glycol, neopentyl glycol, Isosorbide-5-Nitrae-cyclohexane dimethyl carbinol, glycerine, at least one in triol, trimethylolpropane, pentaerythrite, xylitol, sweet mellow wine, sorbierite, castor oil, sucrose.
9. according to the arbitrary described preparation method of claim 6-8, it is characterized in that: method in the cavity of doughnut that described perfusion liquid is poured into is as follows:
Described doughnut two ends are sealed in respectively in two containers, again described perfusion liquid is added in one of them container, and keep the end that is sealed in the doughnut in the container that is added with described perfusion liquid to be immersed in below described perfusion liquid liquid level, then with dry Compressed Gas, the container that described perfusion liquid is housed is applied to malleation, to another container vacuum-pumping, under the effect of pressure differential, described perfusion liquid is poured in the cavity of doughnut cavity.
10. the spices composite fibre of preparing according to the spices composite fibre described in claim 1-7 or according to the spices composite fibre preparation method described in claim 6-9 spins in clothes, shoes and hats, family, application in the functional textile product of personal hygiene article, military, medical treatment and nursing and rehabilitation field.
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| CN116752287A (en) * | 2023-04-25 | 2023-09-15 | 安徽新邦新材料有限公司 | A method for preparing improved melt-blown cloth |
| CN116988181A (en) * | 2023-06-15 | 2023-11-03 | 绍兴美纶化纤有限公司 | Polyester fiber and its production process |
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