CN1357562A - Composition for producing foamed plant starch packing material capable of being degraded completely - Google Patents
Composition for producing foamed plant starch packing material capable of being degraded completely Download PDFInfo
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- CN1357562A CN1357562A CN 01138661 CN01138661A CN1357562A CN 1357562 A CN1357562 A CN 1357562A CN 01138661 CN01138661 CN 01138661 CN 01138661 A CN01138661 A CN 01138661A CN 1357562 A CN1357562 A CN 1357562A
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- 239000000463 material Substances 0.000 title claims abstract description 52
- 229920002472 Starch Polymers 0.000 title claims abstract description 38
- 239000008107 starch Substances 0.000 title claims abstract description 33
- 235000019698 starch Nutrition 0.000 title claims abstract description 33
- 238000012856 packing Methods 0.000 title claims abstract description 6
- 239000000203 mixture Substances 0.000 title claims description 20
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 238000000465 moulding Methods 0.000 claims abstract description 5
- 239000004698 Polyethylene Substances 0.000 claims abstract description 4
- 239000004088 foaming agent Substances 0.000 claims abstract description 4
- -1 polyethylene Polymers 0.000 claims abstract description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229920000573 polyethylene Polymers 0.000 claims abstract description 3
- 239000006260 foam Substances 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 17
- 241000196324 Embryophyta Species 0.000 claims description 15
- 230000000593 degrading effect Effects 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 11
- 239000012752 auxiliary agent Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 229920002678 cellulose Polymers 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- 239000001913 cellulose Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 241000237502 Ostreidae Species 0.000 claims description 6
- 235000020636 oyster Nutrition 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 235000019890 Amylum Nutrition 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 235000013311 vegetables Nutrition 0.000 claims description 5
- 229920002554 vinyl polymer Polymers 0.000 claims description 5
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 4
- 244000017020 Ipomoea batatas Species 0.000 claims description 4
- 235000002678 Ipomoea batatas Nutrition 0.000 claims description 4
- 240000003183 Manihot esculenta Species 0.000 claims description 4
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 claims description 4
- 240000007594 Oryza sativa Species 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 4
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 4
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 4
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 4
- 125000002091 cationic group Chemical group 0.000 claims description 4
- 238000000748 compression moulding Methods 0.000 claims description 4
- 238000004132 cross linking Methods 0.000 claims description 4
- 235000013312 flour Nutrition 0.000 claims description 4
- 239000003607 modifier Substances 0.000 claims description 4
- 229920001592 potato starch Polymers 0.000 claims description 4
- 235000009566 rice Nutrition 0.000 claims description 4
- 108010010803 Gelatin Proteins 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 229920001131 Pulp (paper) Polymers 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 3
- JMPVESVJOFYWTB-UHFFFAOYSA-N dipropan-2-yl carbonate Chemical class CC(C)OC(=O)OC(C)C JMPVESVJOFYWTB-UHFFFAOYSA-N 0.000 claims description 3
- BEFDCLMNVWHSGT-UHFFFAOYSA-N ethenylcyclopentane Chemical compound C=CC1CCCC1 BEFDCLMNVWHSGT-UHFFFAOYSA-N 0.000 claims description 3
- 229920000159 gelatin Polymers 0.000 claims description 3
- 239000008273 gelatin Substances 0.000 claims description 3
- 235000019322 gelatine Nutrition 0.000 claims description 3
- 235000011852 gelatine desserts Nutrition 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 239000010893 paper waste Substances 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 229940075582 sorbic acid Drugs 0.000 claims description 3
- 235000010199 sorbic acid Nutrition 0.000 claims description 3
- 239000004334 sorbic acid Substances 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 239000010902 straw Substances 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 2
- 235000014676 Phragmites communis Nutrition 0.000 claims description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 2
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- 244000061456 Solanum tuberosum Species 0.000 claims description 2
- 235000002595 Solanum tuberosum Nutrition 0.000 claims description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims description 2
- 229920003064 carboxyethyl cellulose Polymers 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 235000011187 glycerol Nutrition 0.000 claims description 2
- 150000005826 halohydrocarbons Chemical class 0.000 claims description 2
- 235000012054 meals Nutrition 0.000 claims description 2
- 239000005022 packaging material Substances 0.000 claims description 2
- 239000004584 polyacrylic acid Substances 0.000 claims description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 2
- 210000000582 semen Anatomy 0.000 claims description 2
- 229920002545 silicone oil Polymers 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims description 2
- 239000001993 wax Substances 0.000 claims description 2
- 239000010456 wollastonite Substances 0.000 claims description 2
- 229910052882 wollastonite Inorganic materials 0.000 claims description 2
- 229940089401 xylon Drugs 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims 1
- 239000012745 toughening agent Substances 0.000 claims 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 abstract description 2
- 239000008103 glucose Substances 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract 4
- 239000004793 Polystyrene Substances 0.000 abstract 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 abstract 1
- 238000000855 fermentation Methods 0.000 abstract 1
- 230000004151 fermentation Effects 0.000 abstract 1
- 238000003754 machining Methods 0.000 abstract 1
- 229920002223 polystyrene Polymers 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 229920006238 degradable plastic Polymers 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229920003086 cellulose ether Polymers 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012262 fermentative production Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000007281 self degradation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The present invention relates to one kind of composite for producing foamed plant starch packing material capable of being degraded completely and its use. The composite consists up to 90% of plant starch as main material and small amount of plant fiber, foaming agent and machining assistant and is produced into foamed packing material in certain shape through extrusion in a single screw extruder or molding. The composite material is light, with density of 0.05-0.1 g/cu cm, shockproof, heat insualting, sound isolating and degradable completely. The used material may be recovered and reused as feed or fermentation material for producing industrial alcohol and glucose. The composite material may be used to replace polyethylene, polystyrene and other foamed material for packing, heat insulation, etc.
Description
Invention field
The present invention relates to a kind of composition, the purposes of said composition, the purposes in the foam package material that can degrade fully of preparation especially, and by the foam package material of said composition preparation.
Technical field
Because the widespread use of Plastic Packaging Materials, abandonment just seriously threatens human existence at the waste or used plastics of occurring in nature to " white pollution " that environment causes, prevent, administer " white pollution " and caused the concern of countries in the world, research and development degradable package material is the important channel that solves " white pollution ".
Plastics are raw materials used to be from non-renewable petroleum resources, tellurian petroleum resources are limited, and are mainly used in the energy, so, the present invention utilizes renewable plant amylum to be main raw material, substitutes petroleum resources production degradation material and has prior meaning.
Ordinary resin such as PE, PP, PS etc. produce the early existing issue of patent of bio-degradable plastics with the plant amylum blend, and also have many products to appear on the market under the effect of expanding material.But because starch and resin polarity difference are too big, the loading level of starch generally is no more than 30%, so-called starch is dosed the type bio-degradable plastics, in fact can only be that wherein starch under certain condition can be by microbiological degradation, and 70% remaining above resin partly is difficult to decomposition.
Summary of the invention
The purpose of this invention is to provide a kind of composition of degrading plant starch foaming wrapping material fully that is used to produce.Composition of the present invention comprises:
(A) plant amylum of 70-90% and/or plant powder;
(B) 5-15% vegetable fibre;
(C) 0.5-1% whipping agent;
(D) auxiliary agent of 4.5-15%.
Described % all is base with the composition total weight.
Described starch is selected from general industry starch, as W-Gum, yam starch, sweet potato starch, tapioca (flour) etc. and their modifier, and as Sumstar 190, cationic starch, cross-linking starch, starch ester etc., and these two or more binding substances.Described plant powder is that plant seed, stem tuber, root or leaf are directly pulverized the powder that forms, as wheat-flour, Semen Maydis powder, rice meal, sticky rice flour, potato powder, sweet potato flour, Tapioca Starch etc., the perhaps binding substances of these two or more.
Described vegetable fibre is selected from xylon, cotton fibre, straw fiber, reed fiber, crop branch fiber, waste paper pulp and their modifier, as carboxymethyl cellulose, carboxyethyl cellulose, cellulose ester or ether of cellulose etc., and two or more binding substances in them.
Described whipping agent can be a pneumatogen, as lower boiling aliphatic hydrocarbon, alcohol, ether, halohydrocarbon or water etc.Also can be chemical foaming agent, as Cellmic C 121, azo two carbonic acid diisopropyl esters, sodium bicarbonate, volatile salt etc., perhaps these binding substances.
Described auxiliary agent comprises: strengthening agent, as glass fibre, asbestos powder, Paris white, wollastonite powder etc.; Tackifier are as polyvinyl formal, gelatin, polyacrylic acid emulsion, Sorbic Acid, glycerine, polyvinyl alcohol etc.; Releasing agent is as silicone oil, solid paraffin, polyethylene wax, stearic acid, whiteruss etc.; Also can be according to the optional a spot of insect-proof agent that adds of different application needs, sanitas, non-blushing thinner etc.Various auxiliary agents use with the conventional amount used in this area, and this is to determine easily to one skilled in the art.
Foam package material involved in the present invention does not conform to any resin, wherein all natural polymer starch and Mierocrystalline cellulose renewable and that can be decomposed by Institute of Micro-biology more than the 90-95%, the remaining various auxiliary agents of 5-10% also all belong to degradable components, so the prepared foam package material of this invention is the Wholly-degradable material.
Treated starch or modified-cellulose are compared with common starch or Mierocrystalline cellulose, and its chemistry is significantly improved with physicals, can increase the strength of materials, improves the material frothing percentage, but does not influence biological degradability, so treated starch and modified-cellulose are preferred.
Starch or plant powder itself is as foam material body material of the present invention, and its mechanical property does not reach application requiring far away, except that improving the intensity by its modification, adds various auxiliary agents and is absolutely necessary.The selection of various auxiliary agents also must have consistency preferably with body material except that consideration self degradation property.In order to improve consistency, also should contain the compatibilization component in the auxiliary agent.
The processing units that the present invention prepares the foam package material employing of can degrading fully is common mixing equipment, single screw extrusion machine and heating and mould pressing molding device.Facility investment is few, and technology is simple, non-environmental-pollution.
The method for preparing foam package material of the present invention comprises with water being medium, after the auxiliary agent of the plant amylum of 70-90% or plant powder, 5-15% vegetable fibre, 0.5-1% whipping agent and 5-15% mixed, use various forming methods, for example single screw extrusion machine or hot compression molding machine moulding process are prepared from.This material is white in color or oyster white, and density is 0.1-0.05g/cm
3, can satisfy the requirement of packing use properties.
For example processing and forming technology can carry out like this, by a certain percentage all raw materials are mixed with water, thorough mixing is even in homogenizer, make the big material of dough shape, then big material is transported in the single screw extrusion machine, extrusion temperature is 180-190 ℃, extrusion moulding or join in the heat pressing forming machines according to the certain big material of the big young pathbreaker of mould, temperature is 180-200 ℃, and pressure is 0.1-0.5Mpa, clamp time 50-60S compression moulding.
The present invention's foam package material of can degrading fully, mainly as Shockproof packaging, sound insulation, lagging material, reclaim and also can be used as animal-feed or fermentative production industrial spirit, hydrolysis production glucose except that can degrading fully with the back.
Below in conjunction with embodiment the present invention is described, it should be understood that these embodiment only are used for illustrative purposes, do not constitute any limitation of the invention.
Embodiment 1:
Get 780g W-Gum, 100g cationic starch, 80g carboxymethyl cellulose, contain the 20g polyvinyl formal 100g aqueous solution, 5gNaHCO
3, 10g 100 order asbestos powders, 5g whiteruss, 300g water add height and stir in the machine, stir with the 200r/min rotating speed, promptly get big material behind the 10min.
Above-mentioned big material is joined in the single screw extrusion machine, under 180-190 ℃, extrusion moulding, promptly getting definite shape oyster white density is 0.19g/cm
3The foam package material of can degrading fully.
Embodiment 2:
With the 80g carboxymethyl cellulose among the embodiment 1 with contain the 20g polyvinyl formal 100g aqueous solution, replace with the 100g wood cellulose, amount of water 300g changes 400g into, and other component and fabrication process condition are constant, and can make density is 0.12g/cm
3The oyster white foam package material of can degrading fully.
Embodiment 3:
780g W-Gum among the embodiment 1 is replaced with the 780g yam starch, and the 100g cationic starch replaces with the 100g cross-linking starch, and other component and fabrication process condition are constant, and can make density is 0.1g/cm
3The oyster white foam package material of can degrading fully.
Embodiment 4:
With the 5g NaHCO among the embodiment 1
3Replace with the 5g Cellmic C 121, the 20g polyvinyl formal 100g aqueous solution replaces with the 20g gelatin 100g aqueous solution, and other component and fabrication process condition are constant, and just can make density is 0.05g/cm
3The oyster white foam package material of can degrading fully.
Embodiment 5:
Get the 700g wheat-flour, the 100g straw fiber, the 100g cross-linking starch, the 10g volatile salt, the 80g Sorbic Acid, 10g solid paraffin, 400g water add height and stir in the machine, promptly to get big material behind the 200r/min rotating speed stirring 15min.
Get a certain amount of big material, join in the heat pressing forming machines mould, under 185 ℃, pressure 0.2MP, compacting 55S, just can get the faint yellow density of definite shape is 0.1g/cm
3The foam package material of can degrading fully.
Embodiment 6:
Get the 750g W-Gum, 100g600 order CaCO
3, the 85g waste paper pulp, the 10g stearic acid, 5g azo two carbonic acid diisopropyl esters, 500g is dissolved with the 50g polyvinyl alcohol water solution, joins height and stirs in the machine, with the 200r/min rotating speed, promptly gets big material behind the stirring 15min.
Get a certain amount of big material, join in the heat pressing forming machines mould, under 195 ℃, pressure 0.1MP, compacting 60S, just can get definite shape white density is 0.1g/cm
3The foam package material of can degrading fully.
Claims (10)
1, a kind of composition that is used to produce the foam package material that to degrade fully, it comprises the plant amylum of 70-90wt% and/or the auxiliary agent of plant powder, 5-15wt% vegetable fibre, 0.5-1wt% whipping agent and 4.5-15wt%, and described wt% is base with the composition total weight.
2, according to the composition of claim 1, described starch is general industry starch, as W-Gum, yam starch, sweet potato starch, tapioca (flour) and their modifier, as Sumstar 190, cationic starch, cross-linking starch, starch ester, perhaps these binding substances; Described plant powder is that plant seed, stem tuber, root, leaf are directly pulverized the powder that forms, as wheat-flour, Semen Maydis powder, rice meal, sticky rice flour, potato powder, sweet potato flour, Tapioca Starch, and perhaps their binding substances.
3, according to the composition of claim 1, described vegetable fibre is selected from xylon, cotton fibre, straw fiber, reed fiber, crop branch fiber, waste paper pulp and their modifier, as carboxymethyl cellulose, carboxyethyl cellulose, cellulose ester, ether of cellulose, and these binding substances.
4, according to the composition of claim 1, described whipping agent can be a pneumatogen, as lower boiling aliphatic hydrocarbon, alcohol, ether, halohydrocarbon, water, or chemical foaming agent, as Cellmic C 121, azo two carbonic acid diisopropyl esters, sodium bicarbonate, volatile salt, or the binding substances of described pneumatogen and chemical foaming agent.
5, according to the composition of claim 1, described auxiliary agent comprises: strengthening agent; Tackifier; Releasing agent; With optional insect-proof agent, sanitas, the non-blushing thinner that can add according to the different application needs.
6, according to the composition of claim 5, described toughener is selected from glass fibre, asbestos powder, Paris white, one or more of wollastonite powder; Described tackifier are selected from one or more of polyvinyl formal, gelatin, polyacrylic acid emulsion, Sorbic Acid, glycerine, polyvinyl alcohol; Described releasing agent is selected from one or more of silicone oil, solid paraffin, polyethylene wax, stearic acid, whiteruss.
7, by can degrade the fully method of foam package material of each preparation of compositions among the claim 1-5, comprise with water being medium, after in described ratio all raw materials being mixed, use various moulding processs, for example single screw extrusion machine or hot compression molding machine moulding process are prepared from, this material is white in color or oyster white, and density is 0.1-0.05g/cm
3, can satisfy the requirement of packing use properties.
8, by can degrade the fully method of foam package material of each preparation of compositions among the claim 1-5, comprise in described ratio all raw materials are mixed with water, thorough mixing is even in height stirs machine, make the big material of dough shape, then big material is transported in the single screw extrusion machine, extrusion temperature is 180-190 ℃, extrusion moulding or join in the heat pressing forming machines according to the certain big material of the big young pathbreaker of mould, temperature is 180-200 ℃, and pressure is 0.1-0.5Mpa, clamp time 50-60S compression moulding.
9, by the foam package material of can degrading fully of each preparation of compositions among the claim 1-5.
10, the foam package material of can degrading fully by each preparation of compositions among the claim 1-5 is used for shock-resistant packaging material, the purposes of lagging material, sound-proof material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01138661 CN1357562A (en) | 2001-12-29 | 2001-12-29 | Composition for producing foamed plant starch packing material capable of being degraded completely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01138661 CN1357562A (en) | 2001-12-29 | 2001-12-29 | Composition for producing foamed plant starch packing material capable of being degraded completely |
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| CN1357562A true CN1357562A (en) | 2002-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01138661 Pending CN1357562A (en) | 2001-12-29 | 2001-12-29 | Composition for producing foamed plant starch packing material capable of being degraded completely |
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| CN101942117A (en) * | 2010-09-25 | 2011-01-12 | 梁靖 | Starch-based fully degraded packaging material and preparation method thereof |
| CN102092524A (en) * | 2009-12-10 | 2011-06-15 | 方卫良品股份有限公司 | Biodegradable container |
| CN101434735B (en) * | 2007-11-13 | 2011-07-20 | 吉林师范大学 | Plant fiber reinforced biodegradable film material and preparation method thereof |
| CN102206361A (en) * | 2011-04-27 | 2011-10-05 | 广东益德环保科技有限公司 | Fully-degradable foam material using starch as base material and preparation method for fully-degradable foam material |
| CN102219919A (en) * | 2011-03-29 | 2011-10-19 | 中山市中健包装有限公司 | Manufacturing method of plant fiber foam material |
| CN102352115A (en) * | 2011-07-07 | 2012-02-15 | 中山市中健包装有限公司 | Manufacturing method of plant fiber and plant powder foaming material |
| CN101591475B (en) * | 2009-06-24 | 2012-05-30 | 王文献 | Environment-friendly degradable foam plastic |
| CN102712409A (en) * | 2009-06-22 | 2012-10-03 | 全球专利技术公司 | Biodegradable packaging of starch and fiber made by extrusion |
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| CN107698808A (en) * | 2016-08-09 | 2018-02-16 | 天津定创科技发展有限公司 | Starch foaming formula and its foaming method |
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| CN110343294A (en) * | 2019-07-15 | 2019-10-18 | 田匠智造(上海)环保科技有限公司 | It is a kind of to decompose plant amylum packaging material and its preparation method and application entirely |
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-
2001
- 2001-12-29 CN CN 01138661 patent/CN1357562A/en active Pending
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