CN109485895A - Silastic product - Google Patents
Silastic product Download PDFInfo
- Publication number
- CN109485895A CN109485895A CN201811224557.8A CN201811224557A CN109485895A CN 109485895 A CN109485895 A CN 109485895A CN 201811224557 A CN201811224557 A CN 201811224557A CN 109485895 A CN109485895 A CN 109485895A
- Authority
- CN
- China
- Prior art keywords
- silicon rubber
- silastic
- coating
- group
- compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 229920000260 silastic Polymers 0.000 title claims abstract description 50
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 107
- 150000001875 compounds Chemical class 0.000 claims abstract description 46
- 238000000576 coating method Methods 0.000 claims abstract description 44
- 239000011248 coating agent Substances 0.000 claims abstract description 41
- 239000011230 binding agent Substances 0.000 claims abstract description 21
- 239000000126 substance Substances 0.000 claims abstract description 19
- 239000012790 adhesive layer Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000011247 coating layer Substances 0.000 claims abstract 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 21
- 239000001301 oxygen Substances 0.000 claims description 21
- -1 γ-(methacryloxypropyl) propyl Chemical group 0.000 claims description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 14
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 13
- 239000003822 epoxy resin Substances 0.000 claims description 11
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 11
- 229920000647 polyepoxide Polymers 0.000 claims description 11
- 229920000642 polymer Polymers 0.000 claims description 10
- 239000004814 polyurethane Substances 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 10
- 239000004593 Epoxy Substances 0.000 claims description 8
- 239000005056 polyisocyanate Substances 0.000 claims description 8
- 229920001228 polyisocyanate Polymers 0.000 claims description 8
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- 239000000178 monomer Substances 0.000 claims description 6
- PHQOGHDTIVQXHL-UHFFFAOYSA-N n'-(3-trimethoxysilylpropyl)ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CCCNCCN PHQOGHDTIVQXHL-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- LKFTXQAZYZHXGN-UHFFFAOYSA-N NCCNCCC[Si](OC(OCC)(OCC)OCC)(OC)OC Chemical compound NCCNCCC[Si](OC(OCC)(OCC)OCC)(OC)OC LKFTXQAZYZHXGN-UHFFFAOYSA-N 0.000 claims description 4
- 229920000058 polyacrylate Polymers 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 claims description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 2
- 229910000077 silane Inorganic materials 0.000 claims description 2
- FMGBDYLOANULLW-UHFFFAOYSA-N 3-isocyanatopropyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)CCCN=C=O FMGBDYLOANULLW-UHFFFAOYSA-N 0.000 claims 1
- CWAFVXWRGIEBPL-UHFFFAOYSA-N ethoxysilane Chemical compound CCO[SiH3] CWAFVXWRGIEBPL-UHFFFAOYSA-N 0.000 claims 1
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical group CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 claims 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 36
- 239000000243 solution Substances 0.000 description 26
- 238000004140 cleaning Methods 0.000 description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 17
- 239000003292 glue Substances 0.000 description 16
- 238000007711 solidification Methods 0.000 description 13
- 230000008023 solidification Effects 0.000 description 13
- 239000010410 layer Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 238000005507 spraying Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000004381 surface treatment Methods 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 239000007921 spray Substances 0.000 description 8
- 125000003700 epoxy group Chemical group 0.000 description 7
- 230000000149 penetrating effect Effects 0.000 description 7
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000012752 auxiliary agent Substances 0.000 description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 230000005284 excitation Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- 239000003999 initiator Substances 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- SYEWHONLFGZGLK-UHFFFAOYSA-N 2-[1,3-bis(oxiran-2-ylmethoxy)propan-2-yloxymethyl]oxirane Chemical compound C1OC1COCC(OCC1OC1)COCC1CO1 SYEWHONLFGZGLK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000003431 cross linking reagent Substances 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 239000012948 isocyanate Substances 0.000 description 3
- 238000006557 surface reaction Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- QORUGOXNWQUALA-UHFFFAOYSA-N N=C=O.N=C=O.N=C=O.C1=CC=C(C(C2=CC=CC=C2)C2=CC=CC=C2)C=C1 Chemical compound N=C=O.N=C=O.N=C=O.C1=CC=C(C(C2=CC=CC=C2)C2=CC=CC=C2)C=C1 QORUGOXNWQUALA-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 125000005442 diisocyanate group Chemical group 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000011256 inorganic filler Substances 0.000 description 2
- 229910003475 inorganic filler Inorganic materials 0.000 description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 2
- 239000013638 trimer Substances 0.000 description 2
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 239000004970 Chain extender Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- CTKINSOISVBQLD-UHFFFAOYSA-N Glycidol Chemical compound OCC1CO1 CTKINSOISVBQLD-UHFFFAOYSA-N 0.000 description 1
- OWIKHYCFFJSOEH-UHFFFAOYSA-N Isocyanic acid Chemical compound N=C=O OWIKHYCFFJSOEH-UHFFFAOYSA-N 0.000 description 1
- 229920001730 Moisture cure polyurethane Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910018540 Si C Inorganic materials 0.000 description 1
- 229910018557 Si O Inorganic materials 0.000 description 1
- SWHLOXLFJPTYTL-UHFFFAOYSA-N [2-methyl-3-(2-methylprop-2-enoyloxy)-2-(2-methylprop-2-enoyloxymethyl)propyl] 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(C)(COC(=O)C(C)=C)COC(=O)C(C)=C SWHLOXLFJPTYTL-UHFFFAOYSA-N 0.000 description 1
- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 229910001872 inorganic gas Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000005375 organosiloxane group Chemical group 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- RPDJEKMSFIRVII-UHFFFAOYSA-N oxomethylidenehydrazine Chemical group NN=C=O RPDJEKMSFIRVII-UHFFFAOYSA-N 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- PXQLVRUNWNTZOS-UHFFFAOYSA-N sulfanyl Chemical class [SH] PXQLVRUNWNTZOS-UHFFFAOYSA-N 0.000 description 1
- 239000002345 surface coating layer Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
- RJDVGKCBHFINOK-UHFFFAOYSA-N tris(2-methylphenoxy)-sulfanylidene-$l^{5}-phosphane Chemical compound CC1=CC=CC=C1OP(=S)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C RJDVGKCBHFINOK-UHFFFAOYSA-N 0.000 description 1
- 125000004417 unsaturated alkyl group Chemical group 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
- C08J7/123—Treatment by wave energy or particle radiation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2383/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2383/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2433/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2433/08—Homopolymers or copolymers of acrylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
- C08J2475/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
- C08J2475/14—Polyurethanes having carbon-to-carbon unsaturated bonds
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention relates to silastic product, the silastic product includes silicon rubber and the coating and adhesive layer for being sequentially formed in the silastic surface；Wherein, the surface of the silicon rubber has polar group, and the material of the coating includes polyfunctional compound, and the polar group of the polyfunctional compound and the silastic surface is with chemical bonds；The material of the adhesive layer is binder, and the polyfunctional compound in the binder and the coating is with chemical bonds.Silastic product surface of the invention has caking property, so that it is conducive to industrial applications, but not influence the performances such as other mechanics.
Description
The application be " application No. is: 201810688201.3, the applying date be on June 28th, 2018, denomination of invention are as follows: silicon
The divisional application of the patent application of the surface treatment method of rubber ".
Technical field
The present invention relates to field of rubber technology, more particularly to silastic product.
Background technique
Silicon rubber can keep elasticity -60 DEG C~200 DEG C long-term, and when solidification not absorb heat, not heat release, solidify after-contraction ratio
Example is small, and has excellent electrical property and chemical stability, and water-fast, the resistance to ozone of energy, weather-proof, good biocompatibility have good
Good performance.But silastic surface is mainly the nonpolar organic groups such as Si-O key, Si-C key, c h bond, is shown low
Cohesive energy, thus silicon rubber and other materials interaction force are lower, to the bad adhesion of other materials.Therefore, silicon rubber
Surface is difficult to the post-processings such as be bonded, printed.
Summary of the invention
Based on this, it is necessary to aiming at the problem that silastic surface bad adhesion, provide a kind of silastic product, the silicon rubber
Product surface has caking property, so that it is conducive to industrial applications, but not influence the performances such as other mechanics.
A kind of silastic product, the silastic product include silicon rubber and are sequentially formed in the silastic surface
Coating and adhesive layer；
Wherein, the surface of the silicon rubber has polar group, and the material of the coating includes polyfunctional compound, and
The polar group of the polyfunctional compound and the silastic surface is with chemical bonds；
The material of the adhesive layer is binder, and the polyfunctional compound in the binder and the coating is with chemistry
Bond is closed.
The polar group includes hydroxyl in one of the embodiments,.
In one of the embodiments, the polyfunctional compound include silane coupling agent, it is polyisocyanates, multifunctional
At least one of epoxide.
The silane coupling agent includes that 3-aminopropyltriethoxysilane, γ-shrink are sweet in one of the embodiments,
Oily ether oxygen propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl trimethoxy silicane, 3- (2- aminoethyl)-aminopropyl
Trimethoxy silane, N- aminoethyl -3- aminopropyltriethoxy trimethoxy silane, 3-mercaptopropyi trimethoxy silane, 3- isocyanide
At least one of sour propyl trimethoxy silicane.
In one of the embodiments, the polyisocyanates include containing there are three or three or more isocyanate groups
Compound.
In one of the embodiments, the multi-functional epoxy compound include containing there are three or three or more epoxy groups
The compound of group.
The binder includes the monomer of polymer or the synthesis polymer in one of the embodiments,.
The polymer includes polyurethane, epoxy resin, at least one in polyacrylate in one of the embodiments,
Kind.
The invention has the following advantages:
Silastic surface of the invention has polar group, then forms coating in silastic surface.More officials in coating
Compound can be rolled into a ball can chemically react with the hydroxyl of silastic surface, form stable chemical bond, promote coating and silicon rubber
The adhesive force on glue surface.And then binder is overlying on coating surface, send out the polyfunctional compound in binder and coating
Biochemical reaction, to form adhesive layer in coating surface, realize silastic surface it is efficient, conveniently, it is applied widely viscous
Knot, improves the adhesive property of silicon rubber.
Adhesive layer of the present invention is formed in silastic surface, is conducive to industrial applications, and will not influence the performance of silicon rubber.This
Outside, in adhesive layer can with it is compound include the auxiliary agents such as antistatic agent, conductive agent, antioxidant, plasticizer, inorganic filler, pigment,
Assign performance required for silicon rubber.
Specific embodiment
Silastic product provided by the invention will be described further below.
The surface treatment method of silicon rubber provided by the invention includes:
S1 provides a silicon rubber, is surface-treated to the silicon rubber, makes the silastic surface with polar group
Group；
Polyfunctional compound is overlying on the surface of the silicon rubber with polar group and forms coating, makes institute by S2
Polyfunctional compound is stated to react to form chemical bond with the polar group；
Binder is overlying on the surface of the coating and forms adhesive layer by S3, makes the binder and the polyfunctional group
Compound reacts to form chemical bond, then it is cured after obtain silicon rubber.
In step sl, the method being surface-treated to silicon rubber has very much, including solvent treatment method, coupling agent treatment
Method, flame treatment method, ultraviolet light facture, plasma surface treatment method etc..When selecting surface treatment method, simultaneously
Need to consider the physico-chemical property and practical condition of silicon rubber.It is therefore preferable that using ultraviolet light facture or wait from
Daughter surface preparation is surface-treated silicon rubber.
But the efficiency being surface-treated using ultraviolet light facture to silicon rubber merely is lower.Therefore, this hair
Bright preferred ultraviolet light facture carries out in ozone atmosphere, it is preferred that the concentration of the ozone is 1ppm~200ppm.It is smelly
Under ultraviolet light (the preferably ultraviolet light of the 254nm wavelength) irradiation of 200nm~300nm wavelength photodissociation can occur for oxygen, generate molecule
Oxygen, elemental oxygen and hydroxyl radical free radical etc..Elemental oxygen or hydroxyl radical free radical have strong oxidizing property, can aoxidize on silicon rubber
Si-CH3, unstable intermediate is formed, further reaction forms carbon dioxide, water and other volatile organic matters.Cause
This can be by the silicon on organic dimethyl siloxane-methyl (Si-CH after being handled in this manner3) it is oxidized to silicon-hydroxyl
(Si-OH), the layer of inorganic silicon dioxide is formed, so that silastic surface is with a large amount of reactive polar groups such as hydroxyl.
The wave-length coverage of ultraviolet light is 10nm~400nm, and the ozone can be by the ultraviolet of 100nm~200nm wavelength
Light (the preferably ultraviolet light of 185nm wavelength) excites oxygen molecule to generate in situ, and ozone can also be passed through by additional equipment, may be used also
To be passed through purity oxygen in silicon rubber environment, the oxygen concentration in environment is improved, in the ultraviolet lighting of 100nm~200nm wavelength
Penetrate the lower ozone in situ for generating high concentration.Therefore, in the ultraviolet light facture wavelength of ultraviolet light be preferably 100nm~
300nm。
Preferably, the temperature of the ultraviolet light facture is 20 DEG C~200 DEG C, and the time is 1 minute~120 minutes,
Keep silastic surface processed sufficiently.
Similarly, the plasma surface treatment method carries out in oxygen atmosphere, to improve treatment effeciency.And it is described etc. from
The temperature of daughter surface preparation is 20 DEG C~200 DEG C, and the time is 1 minute~120 minutes.
Plasma is the non-coacervated system under given conditions ionizing gas (vapour) body portion and generating, by neutral original
Son or molecule, the atom or molecule of excitation state, free radical, electronics or anion, cation and radiated photons composition.Wait from
In daughter surface treatment process, when plasma strike silastic surface, in addition to giving the energy transmission of itself to silicon rubber surface layer
Outside molecule, it can also cause surface etch, the molecule of the gas or other materials that make adsorption parses.Utilize non-polymerization
Inorganic gas (Ar, N2、H2、O2Deng) plasma carry out surface reaction, participate in surface reaction has excited state molecule, freedom
Base and electronic and ionic also include the radiation effects for the ultraviolet light that plasma generates.It is specific in surface introducing by surface reaction
Functional group, generate surface erosion, form cross-linked structure layer or generation-COOH ,-OH isopolarity group.
Further, the equipment of the ultraviolet light facture is relatively easy, cheap, and is suitble to large-area treatment, effect
Rate is higher.It is therefore preferable that being surface-treated using ultraviolet light facture to silicon rubber, and the ultraviolet light is handled
Method carries out in ozone atmosphere.
Silicon rubber after surface treatment, contain a large amount of hydrophilies and be easy the polarity reacted with other groups by surface
Group, such as hydroxyl, carbonyl, carboxyl, the present invention in, the polar group mainly includes hydroxyl.Hydroxyl isopolarity group can be with
It is chemically reacted with compound, so as to enhance the binding force of silastic surface.
In fact, the inorganic silicon dioxide layer that the silastic surface after surface treatment is formed not is continuous, but have
There are the inorganic silicon dioxide of sea-island structure and the mixture of organosiloxane.Moreover, treated inorganic the two of silastic surface
Silicon oxide layer is relatively thin, and thickness is only a few nanometers to tens of nanometers.Therefore, the low molecule silicone oil inside silicon rubber is easy to migrate to silicon
Rubber surface overrides this layer of inorganic silicon dioxide layer so that silastic surface loses polar group and becomes hydrophobic layer again.
Therefore, polyfunctional compound is overlying on to the surface shape of the silicon rubber with polar group by step S2
At coating.Polyfunctional compound directly can be formed in the silicon rubber table with polar group by forms such as spraying, coatings
Face can also be first dissolved in after forming polyfunctional compound solution in water or organic solvent, be formed by the forms such as spraying, coating
In the silastic surface for having polar group.
Polyfunctional compound is overlying on the surface of the silicon rubber with polar group and forms continuous, close painting
After layer, the low molecule silicone oil inside silicon rubber is not allowed easy to migrate to silastic surface, can keep the performance of silastic surface.Separately
Outside, the polyfunctional compound in coating can be chemically reacted with the hydroxyl of silastic surface, form stable chemical bond,
Promote the adhesive force of coating and silastic surface.Meanwhile polyfunctional compound can also with group on other substrates or its
Its compound is chemically reacted, thus promoted silicon rubber and other substrates adhesion strength or can be on first coating surface
Other compounds are grafted, to reach other surface effects.
Preferably, after forming coating, 1 minute~60 minutes is kept the temperature in 20 DEG C~150 DEG C, makes the multi-functional dough in coating
Object abundant, fast reaction with polar group is closed, the solvent in first coating can also be made to volatilize.
The polyfunctional compound is silane coupling agent, polyisocyanates, at least one in multi-functional epoxy compound
Kind.
Wherein, the chemical formula of the silane coupling agent is Y-R-SiX3, in formula, Y is non-hydrolytic group, including alkenyl
(predominantly vinyl) and end have chloro (- Cl), amino (- NH2), sulfydryl (- SH), epoxy groupNitrine
Base (- N3), isocyanate group (- NCO), the functional groups such as cation group；R is saturated or unsaturated alkyl；X is hydrolyzable base
Group, including-Cl ,-OMe ,-OEt ,-OC2H4OCH3、-OSiMe3Deng.Preferably, the silane coupling agent includes 3- aminopropyl
Triethoxysilane (KH-550), γ-glycidyl ether oxygen propyl trimethoxy silicane (KH-560), γ-(methacryl
Oxygen) propyl trimethoxy silicane (KH-570), 3- (2- aminoethyl)-aminopropyl trimethoxysilane (KH-792), N- aminoethyl-
3- aminopropyltriethoxy trimethoxy silane (KH-602), 3-mercaptopropyi trimethoxy silane, 3- isocyanatopropyl trimethoxy
At least one of silane.
The polyisocyanates include containing there are three or three or more isocyanate groups compound, specifically, institute
Stating polyisocyanates includes triphenylmethane triisocyanate, tri o cresyl thiophosphate (4- phenyl isocyanate), toluene diisocynate
Ester dimer, toluene diisocyanate trimer, diphenyl methane -4,4- diisocyanate, polyphenyl polymethylene polyisocyanate cyanogen
At least one of acid esters, toluene di-isocyanate(TDI)-trimethylolpropane addition product.
The multi-functional epoxy compound include containing there are three or three or more epoxy groups compound, specifically,
The multi-functional epoxy compound includes trihydroxymethylpropanyltri diglycidyl ether, trimethylolethane trimethacrylate glycidol ether, gathers
Glycerin triglycidyl ether, propoxylated glycerol triglycidyl ether, glycerin triglycidyl ether, four glycidol ethers, four benzene
Base ethane, triglycidyl ether triphenyl methane, four glycidyl group diaminodiphenyl-methane, triglycidyl group are to amino
At least one of phenol, four glycidyl group m-xylene diamine.
In step s3, the binder is unlimited, as long as can react to form chemical bond i.e. with polyfunctional compound
Can, the monomer including polymer or the formation polymer.Preferably, the polymer includes polyurethane, epoxy resin, poly- third
At least one of olefin(e) acid ester.
Contain hydroxyl (- OH) on the monomer of polyurethane or formation polyurethane, the groups such as isocyanate group (- NCO), Ke Yiyu
Functional group on the polyfunctional group coating of silastic surface chemically reacts, and forms stable chemical bond.Contain on epoxy resin
There are epoxy group and hydroxyl, can be chemically reacted with the functional group on multifunctional coating.What is contained on polyacrylate is double
Key can be copolymerized with groups such as double bonds on polyfunctional group.For example, can be with bonding containing epoxy group on polyfunctional group coating
Hydroxyl, amino, isocyanate group, carboxyl reaction on layer；The amino contained on polyfunctional group coating can be with the ring on adhesive layer
The groups such as oxygroup, isocyanate group, double bond, carboxyl chemically react；The double bond contained on polyfunctional group coating can be with bonding
The groups such as amino, double bond on layer chemically react；The sulfydryl contained on polyfunctional group coating can be with pair on adhesive layer
The groups such as key, isocyanate group, carboxyl, epoxy group chemically react.
Preferably, by the isocyanate material of synthesis of polyurethane, polyalcohol, chain extender, crosslinking agent, catalyst and auxiliary agent
Equal mixtures or polyurethane coat or are sprayed on first coating surface, the polyfunctional group chemical combination of first coating as binder
Object contains at least one of epoxy group, amino, sulfydryl, isocyanate group group, and binder and polyfunctional compound are anti-
Stable chemical bond should be formed.
Preferably, it using the mixtures such as epoxy monomer, curing agent and auxiliary agent or epoxy resin as binder, applies
First coating surface is covered or is sprayed on, the polyfunctional compound of first coating contains epoxy group, amino, sulfydryl, isocyanic acid
At least one of group group, binder and polyfunctional compound react to form stable chemical bond.
Preferably, by the mixtures such as acrylate monomer, initiator, crosslinking agent and auxiliary agent or polyacrylate resin
As binder, first coating surface is coated or is sprayed on, the polyfunctional compound of first coating contains containing double bond, mercapto
At least one of base, epoxy group, isocyanate group group, binder and polyfunctional compound react to form stable change
Learn key.
When use end group for the polymer such as the polyester of double bond, polyacrylate, polyurethane and radical initiator or light
When initiator is as binder, the polyfunctional compound of first coating contains double bond.Under heating or ultraviolet light, glue
Knot agent and polyfunctional compound react to form stable chemical bond.
The present invention is surface-treated silicon rubber, makes hydroxyl isopolarity group on silastic surface band, then in silicon rubber
Glue surface forms coating.Polyfunctional compound in coating can be chemically reacted with the hydroxyl of silastic surface, be formed
Stable chemical bond promotes the adhesive force of coating and silastic surface.And then binder is overlying on coating surface, make to bond
Agent is chemically reacted with the polyfunctional compound in coating, to form adhesive layer in coating surface, realizes silicon rubber table
The bonding efficient, conveniently, applied widely in face, improves the adhesive property of silicon rubber.
Adhesive layer of the present invention is formed in silastic surface, is conducive to industrial applications, and will not influence the performance of silicon rubber.This
Outside, in adhesive layer can with it is compound include the auxiliary agents such as antistatic agent, conductive agent, antioxidant, plasticizer, inorganic filler, pigment,
Assign performance required for silicon rubber.
The sealing that the silicon rubber that the present invention is prepared can be applied to electric appliance, electronic product, automobile, precision instrument etc. is protected
Shield improves the caking property of silicon rubber and substrate, and preventing moisture from entering interiors of products by the gap of silicon rubber and substrate leads to corruption
Erosion and failure of insulation.
Hereinafter, will be described further by following specific embodiments to the silastic product.
Embodiment 1:
Silicon rubber print is placed in UV ozone cleaning machine, the temperature of UV ozone cleaning machine is 25 DEG C, ultraviolet lighting
The wavelength of ultraviolet light is 100nm~300nm during penetrating, and ozone is generated under the excitation of ultraviolet light, irradiates 30 minutes, obtains table
Silicon rubber print A1 after surface treatment.
1 part of 3-aminopropyltriethoxysilane, 5 parts of water, 94 parts of ethanol solutions are prepared, after treatment by the solution spraying
The surface silicon rubber print A1, quantity for spray 0.1g/cm2Solution heats 3 minutes at 70 DEG C, and obtaining surface grafting can reactive group
The silicon rubber B1 of group.
Epoxy resin A glue and B glue are mixed in 3:1 ratio, is uniformly mixed, is coated on silicon rubber B1, is carried out after solidification
Test, the results are shown in Table 1.
Embodiment 2:
Silicon rubber print is placed in UV ozone cleaning machine, the temperature of UV ozone cleaning machine is 20 DEG C, ultraviolet lighting
The wavelength of ultraviolet light is 100nm~300nm during penetrating, and ozone is generated under the excitation of ultraviolet light, irradiates 60 minutes, obtains table
Silicon rubber print A2 after surface treatment.
1 part of γ-glycidyl ether oxygen propyl trimethoxy silicane, 5 parts of water, 94 parts of ethanol solutions are prepared, which is sprayed
The surface silicon rubber print A2 that is coated in that treated is heated 3 minutes at 70 DEG C, obtain surface grafting can reactive group silicon rubber
B2。
Epoxy resin A glue and B glue are mixed in 3:1 ratio, is uniformly mixed, is coated on silicon rubber B2,120 DEG C of solidifications 1
It is tested after minute, the results are shown in Table 1.
Embodiment 3:
Silicon rubber print is placed in UV ozone cleaning machine, the temperature of UV ozone cleaning machine is 20 DEG C, ultraviolet lighting
The wavelength of ultraviolet light is 100nm~300nm during penetrating, while being filled with concentration into UV ozone cleaning machine is the smelly of 1ppm
Oxygen irradiates 60 minutes, the silicon rubber print A3 after being surface-treated.
1 part of N- aminoethyl -3- aminopropyltriethoxy trimethoxy silane, 5 parts of water, 94 parts of ethanol solutions are prepared, by the solution
The surface silicon rubber print A3 that is sprayed on that treated is heated 3 minutes at 70 DEG C, obtain surface grafting can reactive group silicon rubber
B3。
On silicon rubber B3, one layer of diisocyanate, polyether polyol, catalyst mixed solution are coated, is carried out after solidification
Test, the results are shown in Table 1.
Embodiment 4:
Silicon rubber print is placed in UV ozone cleaning machine, the temperature of UV ozone cleaning machine is 20 DEG C, ultraviolet lighting
The wavelength of ultraviolet light is 100nm~300nm during penetrating, while being filled with concentration into UV ozone cleaning machine is the smelly of 100ppm
Oxygen irradiates 120 minutes, the silicon rubber print A4 after being surface-treated.
By the triphenylmethane triisocyanate surface silicon rubber print A4 that is sprayed on that treated, heated 3 minutes at 70 DEG C,
Obtain surface grafting can reactive group silicon rubber B4.
On silicon rubber B4, one layer of diisocyanate, polyether polyol, catalyst mixed solution, 60 DEG C of solidifications 30 are coated
It is tested after minute, the results are shown in Table 1.
Embodiment 5:
Silicon rubber print is placed in UV ozone cleaning machine, the temperature of UV ozone cleaning machine is 20 DEG C, while to purple
Purity oxygen is filled in outer ozone clean machine, the wavelength of ultraviolet light is 100nm~300nm during ultraviolet light, in ultraviolet light
Excitation under generate ozone, irradiate 60 minutes, the silicon rubber print A5 after being surface-treated.
By the silicon rubber print A5 table of closure toluene di-isocyanate(TDI)-trimethylolpropane Emulsion Spraying after treatment
Face heats 3 minutes at 70 DEG C, obtains the silicon rubber B5 of surface grafting isocyanate group.
Levelling agent, thickener are added in aqueous polyurethane pre-emulsion, is uniformly mixed, is coated on the surface silicon rubber B5,120
DEG C solidification 3 minutes after tested, the results are shown in Table 1.
Embodiment 6:
Silicon rubber print is placed in UV ozone cleaning machine, the temperature of UV ozone cleaning machine is 50 DEG C, while to purple
Purity oxygen is filled in outer ozone clean machine, the wavelength of ultraviolet light is 100nm~300nm during ultraviolet light, in ultraviolet light
Excitation under generate ozone, irradiate 10 minutes, the silicon rubber print A6 after being surface-treated.
1 part of γ-(methacryloxypropyl) propyl trimethoxy silicane, 5 parts of water, 94 parts of ethanol solutions are prepared, are added a small amount of
Acetic acid adjusts pH=3~4, by the surface silicon rubber print A6 of the solution spraying after treatment, quantity for spray 0.2g/cm2Solution,
Obtain the silicon rubber B6 of surface grafting isocyanate group.
By end group contain acrylate-based polyurethane, photoinitiator mixed solution be coated in the surface silicon rubber B6,20 DEG C
It is tested after solidification in lower ultraviolet light 10 minutes, the results are shown in Table 1.
Embodiment 7:
Silicon rubber print is placed in UV ozone cleaning machine, the temperature of UV ozone cleaning machine is 50 DEG C, ultraviolet lighting
The wavelength of ultraviolet light is 100nm~300nm during penetrating, while being filled with concentration into UV ozone cleaning machine is the smelly of 200ppm
Oxygen irradiates 10 minutes, the silicon rubber print A7 after being surface-treated.
1 part of γ-(methacryloxypropyl) propyl trimethoxy silicane, 5 parts of water, 94 parts of ethanol solutions are prepared, are added a small amount of
Acetic acid adjusts pH=3~4, by the surface silicon rubber print A7 of the solution spraying after treatment, quantity for spray 0.2g/cm2Solution,
Obtain the silicon rubber B7 of surface grafting isocyanate group.
The mixed solution of acrylic acid, acrylate, crosslinking agent and initiator azodiisobutyronitrile is coated in silicon rubber
The surface B7 is tested after being heating and curing at 70 DEG C, and the results are shown in Table 1.
Embodiment 8:
Silicon rubber print is placed in UV ozone cleaning machine, the temperature of UV ozone cleaning machine is 200 DEG C, ultraviolet lighting
The wavelength of ultraviolet light is 100nm~300nm during penetrating, while being filled with concentration into UV ozone cleaning machine is the smelly of 100ppm
Oxygen irradiates 1 minute, the silicon rubber print A8 after being surface-treated.
1 part of 3-aminopropyltriethoxysilane, 5 parts of water, 94 parts of ethanol solutions are prepared, after treatment by the solution spraying
The surface silicon rubber print A8, quantity for spray 0.1g/cm2Solution heats 1 minute at 150 DEG C, and obtaining surface grafting can reactive group
The silicon rubber B8 of group.
Epoxy resin A glue and B glue are mixed in 3:1 ratio, catalyst is added and is uniformly mixed, is coated on silicon rubber B8,
20 DEG C of solidifications are tested after sixty minutes, and the results are shown in Table 1.
Embodiment 9:
Silicon rubber print is placed in plasma processor, purity oxygen is passed through, treatment temperature is 20 DEG C, it handles 120 minutes,
Silicon rubber print A9 after being surface-treated.
1 part of 3- (2- aminoethyl)-aminopropyl trimethoxysilane (KH-792), 5 parts of water, 94 parts of ethanol solutions are prepared, it will
The surface silicon rubber print A9 of the solution spraying after treatment, quantity for spray 0.1g/cm2Solution is heated 3 minutes at 70 DEG C, is obtained
To surface grafting can reactive group silicon rubber B9.
Epoxy resin A glue and B glue are mixed in 3:1 ratio, is uniformly mixed, is coated on silicon rubber B9,20 DEG C of solidifications 60
It is tested after minute, the results are shown in Table 1.
Embodiment 10:
Silicon rubber print is placed in plasma processor, purity oxygen is passed through, treatment temperature is 60 DEG C, it handles 60 minutes,
Silicon rubber print A10 after being surface-treated.
By the surface silicon rubber print A10 of toluene diisocyanate trimer solution spraying after treatment, quantity for spray is
0.1g/cm2Solution heats 3 minutes at 70 DEG C, obtain surface grafting can reactive group silicon rubber B10.
Base polyurethane prepolymer for use as is coated on silicon rubber B10, and 20 DEG C of solidifications are tested after sixty minutes, and the results are shown in Table 1.
Embodiment 11:
Silicon rubber print is placed in plasma processor, purity oxygen is passed through, treatment temperature is 120 DEG C, it handles 1 minute,
Silicon rubber print A11 after being surface-treated.
1 part of γ-(methacryloxypropyl) propyl trimethoxy silicane, 5 parts of water, 94 parts of ethanol solutions are prepared, are added a small amount of
Acetic acid adjusts pH=3~4, by the surface silicon rubber print A11 of the solution spraying after treatment, quantity for spray 0.2g/cm2It is molten
Liquid obtains the silicon rubber B11 of surface grafting isocyanate group.
End group is contained into acrylate-based polyurethane resin, photoinitiator mixing, is coated in the surface silicon rubber B11, it is purple
It is tested after outer light irradiation solidification, the results are shown in Table 1.
Comparative example 1:
Silicon rubber print is placed in UV ozone cleaning machine, the temperature of UV ozone cleaning machine is 20 DEG C, ultraviolet lighting
The wavelength of ultraviolet light is 100nm~300nm during penetrating, while being filled with concentration into UV ozone cleaning machine is the smelly of 100ppm
Oxygen irradiates 60 minutes, the silicon rubber print A12 after being surface-treated.
Epoxy resin A glue and B glue are mixed in 3:1 ratio, is coated on silicon rubber A12, is tested after solidification, as a result
As shown in table 1.
Comparative example 2:
1 part of 3-aminopropyltriethoxysilane, 5 parts of water, 94 parts of ethanol solutions are prepared, the solution spraying is untreated
The surface silicon rubber print A10, quantity for spray 0.1g/cm2Solution heats 3 minutes at 70 DEG C, obtains silicon rubber B13.
Epoxy resin A glue and B glue are mixed in 3:1 ratio, is coated on silicon rubber B13, is tested after solidification, as a result
As shown in table 1.
1 test result of table
As shown in Table 1, the caking property of silicon rubber made from embodiment 1~11 is apparently higher than silicon rubber made from comparative example 1~2
The caking property of glue.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of silastic product, which is characterized in that the silastic product includes silicon rubber and is sequentially formed in the silicon
The coating and adhesive layer of rubber surface；
Wherein, the surface of the silicon rubber has polar group, and the material of the coating includes polyfunctional compound, and described
The polar group of polyfunctional compound and the silastic surface is with chemical bonds；
The material of the adhesive layer is binder, and the polyfunctional compound in the binder and the coating is with chemical bonded refractory
It closes.
2. silastic product according to claim 1, which is characterized in that the polar group includes hydroxyl.
3. silastic product according to claim 1, which is characterized in that the polyfunctional compound includes silane coupled
At least one of agent, polyisocyanates, multi-functional epoxy compound.
4. silastic product according to claim 3, which is characterized in that the silane coupling agent includes 3- aminopropyl three
Ethoxysilane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl trimethoxy silicane,
3- (2- aminoethyl)-aminopropyl trimethoxysilane, N- aminoethyl -3- aminopropyltriethoxy trimethoxy silane, 3- mercaptopropyi
At least one of trimethoxy silane, 3- isocyanatopropyl trimethoxy silane.
5. silastic product according to claim 3, which is characterized in that the polyisocyanates include containing there are three or three
The compound of a above isocyanate groups.
6. silastic product according to claim 3, which is characterized in that the multi-functional epoxy compound includes containing three
A or three or more epoxy groups compound.
7. silastic product according to claim 1, which is characterized in that the binder includes described in polymer or synthesis
The monomer of polymer.
8. silastic product according to claim 7, which is characterized in that the polymer include polyurethane, epoxy resin,
At least one of polyacrylate.
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| CN109485894A (en) | 2019-03-19 |
| CN109232951A (en) | 2019-01-18 |
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