CN114574109A - UV (ultraviolet) light-cured pressure-sensitive adhesive and application thereof - Google Patents
UV (ultraviolet) light-cured pressure-sensitive adhesive and application thereof Download PDFInfo
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- CN114574109A CN114574109A CN202011387874.9A CN202011387874A CN114574109A CN 114574109 A CN114574109 A CN 114574109A CN 202011387874 A CN202011387874 A CN 202011387874A CN 114574109 A CN114574109 A CN 114574109A
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- Prior art keywords
- acrylate
- sensitive adhesive
- light
- methacrylate
- mass
- Prior art date
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- 239000004820 Pressure-sensitive adhesive Substances 0.000 title claims abstract description 61
- 239000000178 monomer Substances 0.000 claims abstract description 32
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 26
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 7
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 claims description 32
- 238000012662 bulk polymerization Methods 0.000 claims description 28
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 17
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims description 11
- ZDQNWDNMNKSMHI-UHFFFAOYSA-N 1-[2-(2-prop-2-enoyloxypropoxy)propoxy]propan-2-yl prop-2-enoate Chemical compound C=CC(=O)OC(C)COC(C)COCC(C)OC(=O)C=C ZDQNWDNMNKSMHI-UHFFFAOYSA-N 0.000 claims description 9
- LEJBBGNFPAFPKQ-UHFFFAOYSA-N 2-(2-prop-2-enoyloxyethoxy)ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOC(=O)C=C LEJBBGNFPAFPKQ-UHFFFAOYSA-N 0.000 claims description 8
- INQDDHNZXOAFFD-UHFFFAOYSA-N 2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOC(=O)C=C INQDDHNZXOAFFD-UHFFFAOYSA-N 0.000 claims description 8
- KUDUQBURMYMBIJ-UHFFFAOYSA-N 2-prop-2-enoyloxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC(=O)C=C KUDUQBURMYMBIJ-UHFFFAOYSA-N 0.000 claims description 8
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 8
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 8
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000005286 illumination Methods 0.000 claims description 7
- 239000003999 initiator Substances 0.000 claims description 7
- FSDNTQSJGHSJBG-UHFFFAOYSA-N piperidine-4-carbonitrile Chemical compound N#CC1CCNCC1 FSDNTQSJGHSJBG-UHFFFAOYSA-N 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 229920002799 BoPET Polymers 0.000 claims description 6
- 239000012986 chain transfer agent Substances 0.000 claims description 5
- VOBUAPTXJKMNCT-UHFFFAOYSA-N 1-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound CCCCCC(OC(=O)C=C)OC(=O)C=C VOBUAPTXJKMNCT-UHFFFAOYSA-N 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 4
- JHWGFJBTMHEZME-UHFFFAOYSA-N 4-prop-2-enoyloxybutyl prop-2-enoate Chemical compound C=CC(=O)OCCCCOC(=O)C=C JHWGFJBTMHEZME-UHFFFAOYSA-N 0.000 claims description 4
- NQSLZEHVGKWKAY-UHFFFAOYSA-N 6-methylheptyl 2-methylprop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C(C)=C NQSLZEHVGKWKAY-UHFFFAOYSA-N 0.000 claims description 4
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 4
- 238000003848 UV Light-Curing Methods 0.000 claims description 4
- IAXXETNIOYFMLW-COPLHBTASA-N [(1s,3s,4s)-4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl] 2-methylprop-2-enoate Chemical compound C1C[C@]2(C)[C@@H](OC(=O)C(=C)C)C[C@H]1C2(C)C IAXXETNIOYFMLW-COPLHBTASA-N 0.000 claims description 4
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 claims description 4
- GMSCBRSQMRDRCD-UHFFFAOYSA-N dodecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCOC(=O)C(C)=C GMSCBRSQMRDRCD-UHFFFAOYSA-N 0.000 claims description 4
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 claims description 4
- 230000009477 glass transition Effects 0.000 claims description 4
- 229940119545 isobornyl methacrylate Drugs 0.000 claims description 4
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 claims description 4
- YDKNBNOOCSNPNS-UHFFFAOYSA-N methyl 1,3-benzoxazole-2-carboxylate Chemical compound C1=CC=C2OC(C(=O)OC)=NC2=C1 YDKNBNOOCSNPNS-UHFFFAOYSA-N 0.000 claims description 4
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 4
- QTECDUFMBMSHKR-UHFFFAOYSA-N prop-2-enyl prop-2-enoate Chemical compound C=CCOC(=O)C=C QTECDUFMBMSHKR-UHFFFAOYSA-N 0.000 claims description 4
- 238000001723 curing Methods 0.000 claims description 3
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims description 2
- MSAHTMIQULFMRG-UHFFFAOYSA-N 1,2-diphenyl-2-propan-2-yloxyethanone Chemical compound C=1C=CC=CC=1C(OC(C)C)C(=O)C1=CC=CC=C1 MSAHTMIQULFMRG-UHFFFAOYSA-N 0.000 claims description 2
- LMAUULKNZLEMGN-UHFFFAOYSA-N 1-ethyl-3,5-dimethylbenzene Chemical compound CCC1=CC(C)=CC(C)=C1 LMAUULKNZLEMGN-UHFFFAOYSA-N 0.000 claims description 2
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 claims description 2
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 2
- RUMACXVDVNRZJZ-UHFFFAOYSA-N 2-methylpropyl 2-methylprop-2-enoate Chemical compound CC(C)COC(=O)C(C)=C RUMACXVDVNRZJZ-UHFFFAOYSA-N 0.000 claims description 2
- CFVWNXQPGQOHRJ-UHFFFAOYSA-N 2-methylpropyl prop-2-enoate Chemical compound CC(C)COC(=O)C=C CFVWNXQPGQOHRJ-UHFFFAOYSA-N 0.000 claims description 2
- GNSFRPWPOGYVLO-UHFFFAOYSA-N 3-hydroxypropyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCCO GNSFRPWPOGYVLO-UHFFFAOYSA-N 0.000 claims description 2
- QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical compound OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 claims description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 2
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims description 2
- 244000028419 Styrax benzoin Species 0.000 claims description 2
- 235000000126 Styrax benzoin Nutrition 0.000 claims description 2
- 235000008411 Sumatra benzointree Nutrition 0.000 claims description 2
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 claims description 2
- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical compound CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 claims description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Substances CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 2
- WURBFLDFSFBTLW-UHFFFAOYSA-N benzil Chemical compound C=1C=CC=CC=1C(=O)C(=O)C1=CC=CC=C1 WURBFLDFSFBTLW-UHFFFAOYSA-N 0.000 claims description 2
- 229960002130 benzoin Drugs 0.000 claims description 2
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 2
- 239000012965 benzophenone Substances 0.000 claims description 2
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 2
- 235000019382 gum benzoic Nutrition 0.000 claims description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 2
- HMZGPNHSPWNGEP-UHFFFAOYSA-N octadecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C(C)=C HMZGPNHSPWNGEP-UHFFFAOYSA-N 0.000 claims description 2
- FSAJWMJJORKPKS-UHFFFAOYSA-N octadecyl prop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C=C FSAJWMJJORKPKS-UHFFFAOYSA-N 0.000 claims description 2
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 claims description 2
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 claims description 2
- SJMYWORNLPSJQO-UHFFFAOYSA-N tert-butyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(C)(C)C SJMYWORNLPSJQO-UHFFFAOYSA-N 0.000 claims description 2
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 2
- XNDDXSIFPSEJFS-UHFFFAOYSA-N n-ethenylcyclohexanamine Chemical compound C=CNC1CCCCC1 XNDDXSIFPSEJFS-UHFFFAOYSA-N 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 19
- 239000002904 solvent Substances 0.000 abstract description 9
- 230000007613 environmental effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 229920000642 polymer Polymers 0.000 description 22
- 230000000052 comparative effect Effects 0.000 description 13
- YIVJZNGAASQVEM-UHFFFAOYSA-N Lauroyl peroxide Chemical compound CCCCCCCCCCCC(=O)OOC(=O)CCCCCCCCCCC YIVJZNGAASQVEM-UHFFFAOYSA-N 0.000 description 8
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 8
- 238000012512 characterization method Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 229920000178 Acrylic resin Polymers 0.000 description 6
- 239000004925 Acrylic resin Substances 0.000 description 6
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000000016 photochemical curing Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229920006222 acrylic ester polymer Polymers 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 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 2
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- WQAQPCDUOCURKW-UHFFFAOYSA-N butanethiol Chemical compound CCCCS WQAQPCDUOCURKW-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000007888 film coating Substances 0.000 description 2
- 238000009501 film coating Methods 0.000 description 2
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- XHGOVHOCQHSNTI-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy formate Chemical compound CC(C)(C)OOC=O XHGOVHOCQHSNTI-UHFFFAOYSA-N 0.000 description 1
- UXKQGJYFPNFUJY-UHFFFAOYSA-N 1-(2-methylbutan-2-yldiazenyl)cyclohexane-1-carbonitrile Chemical compound CCC(C)(C)N=NC1(C#N)CCCCC1 UXKQGJYFPNFUJY-UHFFFAOYSA-N 0.000 description 1
- QKNQPCLQRXMWJO-UHFFFAOYSA-N 1-(tert-butyldiazenyl)cyclohexane-1-carbonitrile Chemical compound CC(C)(C)N=NC1(C#N)CCCCC1 QKNQPCLQRXMWJO-UHFFFAOYSA-N 0.000 description 1
- XRXANEMIFVRKLN-UHFFFAOYSA-N 2-hydroperoxy-2-methylbutane Chemical compound CCC(C)(C)OO XRXANEMIFVRKLN-UHFFFAOYSA-N 0.000 description 1
- 244000223760 Cinnamomum zeylanicum Species 0.000 description 1
- 241000237504 Crassostrea virginica Species 0.000 description 1
- 239000012988 Dithioester Substances 0.000 description 1
- -1 N-vinylcyclohexamide Chemical compound 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical class CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 235000017803 cinnamon Nutrition 0.000 description 1
- SPTHWAJJMLCAQF-UHFFFAOYSA-M ctk4f8481 Chemical compound [O-]O.CC(C)C1=CC=CC=C1C(C)C SPTHWAJJMLCAQF-UHFFFAOYSA-M 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 125000005022 dithioester group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- KZCOBXFFBQJQHH-UHFFFAOYSA-N octane-1-thiol Chemical compound CCCCCCCCS KZCOBXFFBQJQHH-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- SUVIGLJNEAMWEG-UHFFFAOYSA-N propane-1-thiol Chemical compound CCCS SUVIGLJNEAMWEG-UHFFFAOYSA-N 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- WYKYCHHWIJXDAO-UHFFFAOYSA-N tert-butyl 2-ethylhexaneperoxoate Chemical compound CCCCC(CC)C(=O)OOC(C)(C)C WYKYCHHWIJXDAO-UHFFFAOYSA-N 0.000 description 1
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 1
- BWSZXUOMATYHHI-UHFFFAOYSA-N tert-butyl octaneperoxoate Chemical compound CCCCCCCC(=O)OOC(C)(C)C BWSZXUOMATYHHI-UHFFFAOYSA-N 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention discloses a UV light-cured pressure-sensitive adhesive and application thereof, wherein the UV light-cured pressure-sensitive adhesive is prepared by directly and fully mixing the following components at normal temperature according to the following mixture ratio: 10-60 parts by mass of an acrylate polymer containing active double bonds, 10-60 parts by mass of a monofunctional acrylate soft monomer, 0-20 parts by mass of a monofunctional acrylate hard monomer, 0-10 parts by mass of a multifunctional acrylate monomer containing at least two polymerizable double bonds per molecule, 0-10 parts by mass of an acrylate functional monomer, and 0.5-10 parts by mass of a UV photoinitiator, wherein the sum of the parts by mass of the components is 100. The UV light-cured pressure-sensitive adhesive has no solvent pollution in the preparation and use processes, can meet the environmental protection requirement, has low viscosity, is easy to coat uniformly, is convenient for coating operation, has excellent bonding property and peel strength, is convenient to use, has low preparation cost, and is easy to realize large scale.
Description
Technical Field
The invention relates to a UV (ultraviolet) light-cured pressure-sensitive adhesive and application thereof, belonging to the technical field of functional materials.
Background
Currently, there are reports related to UV light curable pressure sensitive adhesives in the prior art, such as: CN108300332A discloses a photo-curing pressure-sensitive adhesive, which comprises 65-80 parts of soft monomer, 10-20 parts of hard monomer, 5-15 parts of polar monomer and 0.1-9 parts of initiation-assisting monomer containing tertiary amine group; 0.5-1.5 parts of initiator, 100 parts of solvent and 50-100 parts of reactive diluent, wherein the pressure-sensitive adhesive has no volatilization problem of organic solvent and small molecular photoinitiator in use, has lower viscosity (516-618 cps) and better adhesive property (constant viscosity for 6-9 h; peel strength of 1143-1896 gf/25mm) at 40 ℃, but has environmental protection problem caused by evaporation of a large amount of solvent in preparation; in addition, CN108192537A also discloses an ultraviolet light curing pressure sensitive adhesive, which comprises the following components in parts by weight: 75-90 parts of acrylate monomer or methacrylate monomer containing alkyl, 2-5 parts of copolymerizable monomer containing hydroxyl, 1-3 parts of copolymerizable monomer containing carboxyl, 1-5 parts of acrylate comonomer or methacrylate comonomer containing cinnamon group, 0.2 part of active initiator and 50-80 parts of solvent, although the adhesive can realize good photocuring property under the condition of not adding photoinitiator, the peel strength of the pressure-sensitive adhesive is only 70-150gf/25mm (equivalent to 0.68-1.47N/25mm), and the pressure-sensitive adhesive contains a large amount of solvent and has solid content of only 45 percent, and the solvent needs to be completely volatilized during use, so that the environmental protection problem exists during use.
With the increasing enhancement of people's environmental awareness and the implementation of human sustainable development strategy, the development of a UV light-cured pressure-sensitive adhesive which has the advantages of no solvent pollution in the preparation and use processes, capability of meeting the environmental protection requirement, low viscosity, easy coating uniformity, excellent bonding performance and peel strength, convenient use and low preparation cost is urgently needed in the field.
Disclosure of Invention
In view of the above problems and needs in the prior art, the present invention aims to provide a UV light curable pressure sensitive adhesive which has no solvent pollution during preparation and use, can meet the requirement of environmental protection, has low viscosity, is easy to coat uniformly, has excellent adhesive property and peel strength, is convenient to use, and has low preparation cost, and an application thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the UV light curing pressure-sensitive adhesive is prepared by directly and fully mixing the following components at normal temperature according to the following mixture ratio:
the sum of the mass parts of the components is 100.
The UV light curing pressure-sensitive adhesive is prepared by directly and fully mixing the following components at normal temperature according to the following mixture ratio:
the sum of the parts by mass of the components is 100.
In a further preferred scheme, the UV light curing pressure-sensitive adhesive is prepared by directly and fully mixing the following components at normal temperature according to the following mixture ratio:
the sum of the mass parts of the components is 100.
In a preferable embodiment, the weight average molecular weight of the acrylate polymer containing an active double bond is 20000 to 1000000, the number average molecular weight thereof is 10000 to 500000, the glass transition temperature thereof is-100 ℃ to 0 ℃, and the double bond density thereof is 0.005 to 0.5 mol/kg.
More preferably, the above-mentioned acrylic ester polymer having an activated double bond has a weight average molecular weight of 50000 to 100000, a number average molecular weight of 25000 to 50000, a glass transition temperature of-55 to-15 ℃ and a double bond density of 0.01 to 0.1 mol/kg.
In a preferred embodiment, the acrylate polymer containing an active double bond is obtained by bulk polymerization of 100 parts by mass of a monofunctional monomer having one polymerizable double bond per molecule, 0.1 to 10 parts by mass of a difunctional monomer having two polymerizable double bonds per molecule, 0.1 to 1.0 part by mass of an initiator, and 1 to 5 parts by mass of a chain transfer agent in a constant-temperature water bath at 40 to 70 ℃.
More preferably, the acrylate polymer containing the active double bond is obtained by carrying out bulk polymerization on 100 parts by mass of a monofunctional monomer having one polymerizable double bond per molecule, 0.5-5 parts by mass of a difunctional monomer having two polymerizable double bonds per molecule, 0.1-1 part by mass of an initiator and 1-5 parts by mass of a chain transfer agent under heating in a constant-temperature water bath at 50-60 ℃.
In a further preferred embodiment, the monofunctional monomer having one polymerizable double bond per molecule is selected from any one or more of methyl methacrylate, ethyl methacrylate, propyl methacrylate, n-butyl methacrylate, isobutyl methacrylate, t-butyl methacrylate, isooctyl methacrylate, isobornyl methacrylate, lauryl methacrylate, methacrylic acid, acrylic acid, ethyl acrylate, methyl acrylate, butyl acrylate, isooctyl acrylate, lauryl acrylate, and styrene.
In a further preferred embodiment, the bifunctional monomer having two polymerizable double bonds per molecule is selected from any one or more of ethylene glycol diacrylate, hexanediol diacrylate, tripropylene glycol diacrylate, butylene glycol diacrylate, neopentyl glycol diacrylate, diethylene glycol diacrylate, triethylene glycol diacrylate, dipropylene glycol diacrylate, and allyl acrylate.
In a further preferred embodiment, the initiator is selected from any one or more of azobisisobutyronitrile, 1-tert-amylazo-1-cyanocyclohexane, lauroyl peroxide, 1-tert-butylazo-1-cyanocyclohexane, tert-butyl peroctoate, tert-butyl peroxy-2-ethylhexanoate, tert-butyl perbenzoate, tert-butyl peroxyformate, di-tert-butyl peroxide, diisopropylbenzene hydroperoxide, tert-amylhydroperoxide and tert-butylhydroperoxide.
In a further preferred embodiment, the chain transfer agent is selected from any one or more of n-propyl mercaptan, n-butyl mercaptan, n-octyl mercaptan, n-dodecyl mercaptan, dithioester, and alpha-methylstyrene dimer.
In a further preferred embodiment, the monofunctional monomer having one polymerizable double bond per molecule is a combination of methyl methacrylate, n-butyl acrylate and isooctyl acrylate, the difunctional monomer having two polymerizable double bonds per molecule is tripropylene glycol diacrylate or dipropylene glycol diacrylate, the initiator is lauroyl peroxide, and the chain transfer agent is n-dodecyl mercaptan.
In a preferred embodiment, the monofunctional acrylate soft monomer is selected from any one or more of n-butyl acrylate, isobutyl acrylate, sec-butyl acrylate, isooctyl acrylate, lauryl acrylate, octadecyl acrylate, isooctyl methacrylate, lauryl methacrylate, octadecyl methacrylate and 2-ethylhexyl acrylate.
In a preferred embodiment, the monofunctional acrylate hard monomer is selected from any one or more of methyl methacrylate, ethyl methacrylate, n-butyl methacrylate, isobornyl methacrylate, methyl acrylate, ethyl acrylate, n-propyl acrylate, tert-butyl acrylate, and styrene.
In a preferred embodiment, the multifunctional acrylate monomer having at least two polymerizable double bonds per molecule is selected from the group consisting of any one or more of ethylene glycol diacrylate, hexanediol diacrylate, tripropylene glycol diacrylate, butanediol diacrylate, neopentyl glycol diacrylate, diethylene glycol diacrylate, triethylene glycol diacrylate, dipropylene glycol diacrylate, allyl acrylate, trimethylolpropane triacrylate, trimethylolpropane trimethacrylate.
In a preferred embodiment, the acrylate functional monomer is selected from any one or more of acrylic acid, methacrylic acid, hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxyethyl methacrylate, hydroxypropyl methacrylate, acrylamide, N-vinylcyclohexamide, maleic anhydride, and glycidyl methacrylate.
In a preferred embodiment, the UV photoinitiator is selected from any one or more of 2-hydroxy-2-methyl-1-phenyl-1-acetone, benzophenone, benzil dimethyl ether, benzoin dimethyl ether and benzoin isopropyl ether.
The invention relates to an application of a UV light-cured pressure-sensitive adhesive, which is characterized in that the UV light-cured pressure-sensitive adhesive is coated on a base material film through a film coating device and then is placed under an ultraviolet illumination device for light curing to obtain a pressure-sensitive adhesive product.
In one embodiment, the UV light-curable pressure-sensitive adhesive is coated on a PET film through a 50-micron film coating device, and then the PET film is placed on a conveyor belt type UV machine to carry out one-time illumination at the conveying speed of 0.1m/s and the illumination power of 2000W to obtain the pressure-sensitive adhesive product.
Compared with the prior art, the invention has the following beneficial effects:
1) the UV light-cured pressure-sensitive adhesive can be prepared by directly and fully mixing the components according to the proportion at normal temperature, has a simple preparation process, is environment-friendly, environment-friendly and energy-saving, and is easy to realize large scale;
2) the detection shows that: the viscosity of the UV light-cured pressure-sensitive adhesive is only 400-800 cps at 20 ℃, so that the UV light-cured pressure-sensitive adhesive is very favorable for uniform coating and convenient coating operation, and has important significance for high-quality preparation of pressure-sensitive adhesive products;
3) the UV light-cured pressure-sensitive adhesive is very convenient to prepare pressure-sensitive adhesive products, and only needs to be irradiated once at a conveying speed of 0.1m/s and an illumination power of 2000W, so that the UV light-cured pressure-sensitive adhesive is environment-friendly and energy-saving, and is easy to realize large scale;
4) through comparative experiments, the following can be obtained: according to the invention, the acrylate polymer containing the active double bond is creatively adopted as the polymer component of the UV light-cured pressure-sensitive adhesive, and compared with the comparative situation that the acrylate saturated polymer is adopted as the polymer component under the same condition, the viscosity of the obtained UV light-cured pressure-sensitive adhesive is reduced to 43% under the same condition, while the permanent adhesion is improved by 3 times and the stripping force is improved by 1.5 times, so that the unexpected excellent bonding performance is generated;
5) the acrylate polymer containing the active double bond can be obtained by bulk polymerization at a lower water bath temperature, and has the advantages of simple preparation process, energy conservation, environmental protection and contribution to realizing industrialization;
in a word, the acrylate polymer containing the active double bond is creatively adopted as the polymer component of the UV light-cured pressure-sensitive adhesive, so that the obtained UV light-cured pressure-sensitive adhesive has no solvent pollution in the preparation and use processes, can meet the environmental protection requirement, has low viscosity, is easy to coat uniformly, is convenient for coating operation, has excellent bonding property and peel strength, is convenient to use, has low preparation cost and is easy to realize large scale, and therefore, compared with the prior art, the invention not only produces remarkable progress, but also produces unexpected technical effects.
Detailed Description
The technical scheme of the invention is further detailed and completely explained by combining the embodiment and the comparative example.
In the following examples and comparative examples:
initial viscosity: according to Standard of pressure-sensitive adhesive tape initial adhesion test method (Rolling ball method) (GB/T4852-2002), an initial adhesion tester is adopted for measurement.
Viscosity retention: the measurement was carried out by using a permanent adhesion tester in accordance with Standard (GB/T4851-1988) of permanent adhesion test for pressure-sensitive adhesive tapes.
180 ° peel strength: the measurement was carried out by using a peel tester in accordance with Standard (GB/T2792-2014) for test methods for peel Strength of adhesive tapes.
Viscosity: the test temperature was 20 ℃ as measured by a Brookfield rotational viscometer.
Double bond density: the number of moles (mol/kg) of double bonds contained in a unit weight of the polymer can be calculated from the peak area ratio of the double bond hydrogen peak to the polymer main chain hydrogen peak in the polymer nuclear magnetic hydrogen spectrum.
Example 1: preparation of acrylate polymers containing reactive double bonds
Adding 240 g of MMA (methyl methacrylate), 180 g of BMA (n-butyl methacrylate), 90 g of EHA (isooctyl acrylate), 72 g of BA (n-butyl acrylate), 18 g of TPGDA (tripropylene glycol diacrylate), 3 g of lauroyl peroxide and 21 g of n-dodecyl mercaptan into a bulk polymerization bag, stirring to uniformly mix, putting the bulk polymerization bag into a water bath, carrying out bulk polymerization reaction for 10 hours under the heating of a constant-temperature water bath at 55 ℃, taking out the bulk polymerization bag, cooling to room temperature, and crushing the obtained solid acrylic resin to obtain the acrylate polymer containing the active double bonds, which is abbreviated as polymer I, wherein the characterization data of the polymer are shown in Table 1.
Comparative example 1: preparation of saturated acrylate polymers
210 g of MMA (methyl methacrylate), 120 g of BMA (n-butyl methacrylate), 150g of EHA (isooctyl acrylate), 120 g of BA (n-butyl acrylate), 3 g of lauroyl peroxide and 15 g of n-dodecyl mercaptan are added into a bulk polymerization bag, stirred and mixed uniformly, the bulk polymerization bag is placed into a water bath, the bulk polymerization reaction is carried out for 10h under the heating of a constant-temperature water bath at 55 ℃, then the bulk polymerization bag is taken out and cooled to room temperature, the obtained solid acrylic resin is crushed, and the saturated acrylic ester polymer, namely the polymer Ia is obtained, and the characterization data of the polymer are shown in Table 1.
Example 2: preparation of acrylate polymers containing reactive double bonds
Adding 180 g of MMA (methyl methacrylate), 120 g of BMA (n-butyl methacrylate), 180 g of EHA (isooctyl acrylate), 111 g of BA (n-butyl acrylate), 3 g of TPGDA (tripropylene glycol diacrylate), 3 g of lauroyl peroxide and 15 g of n-dodecyl mercaptan into a bulk polymerization bag, stirring to uniformly mix, putting the bulk polymerization bag into a water bath, carrying out bulk polymerization reaction for 10 hours under the heating of a constant-temperature water bath at 55 ℃, taking out the bulk polymerization bag, cooling to room temperature, and crushing the obtained solid acrylic resin to obtain the acrylate polymer containing the active double bonds, which is abbreviated as polymer II, wherein the characterization data of the polymer are shown in Table 1.
Comparative example 2: preparation of saturated acrylate polymers
Adding 120 g of MMA (methyl methacrylate), 60 g of BMA (n-butyl methacrylate), 240 g of EHA (isooctyl acrylate), 180 g of BA (n-butyl acrylate), 3 g of lauroyl peroxide and 11 g of n-dodecyl mercaptan into a bulk polymerization bag, stirring to uniformly mix, putting the bulk polymerization bag into a water bath, carrying out bulk polymerization reaction for 10h under the heating of a constant-temperature water bath at 55 ℃, then taking out the bulk polymerization bag, cooling to room temperature, and crushing the obtained solid acrylic resin to obtain the saturated acrylic ester polymer, which is abbreviated as polymer IIa, wherein the characterization data of the polymer are shown in Table 1.
Example 3: preparation of acrylate polymers containing reactive double bonds
Adding 180 g of MMA (methyl methacrylate), 114 g of BMA (n-butyl methacrylate), 186 g of EHA (isooctyl acrylate), 114 g of BA (n-butyl acrylate), 5 g of DPGDA (dipropylene glycol diacrylate), 3 g of lauroyl peroxide and 9 g of n-dodecyl mercaptan into a bulk polymerization bag, stirring to uniformly mix, putting the bulk polymerization bag into a water bath, carrying out bulk polymerization reaction for 10 hours under the heating of a constant-temperature water bath at 55 ℃, taking out the bulk polymerization bag, cooling to room temperature, and crushing the obtained solid acrylic resin to obtain the acrylate polymer containing the active double bonds, which is abbreviated as polymer III, wherein the characterization data of the polymer are shown in Table 1.
Comparative example 3: preparation of saturated acrylate polymers
108 g of MMA (methyl methacrylate), 48 g of BMA (n-butyl methacrylate), 252 g of EHA (isooctyl acrylate), 192 g of BA (n-butyl acrylate), 3 g of lauroyl peroxide and 5.5 g of n-dodecyl mercaptan are added into a bulk polymerization bag, stirred and mixed uniformly, then the bulk polymerization bag is placed into a water bath, the bulk polymerization reaction is carried out for 10 hours under the heating of a constant-temperature water bath at 55 ℃, then the bulk polymerization bag is taken out and cooled to room temperature, and the obtained solid acrylic resin is crushed to obtain the saturated acrylate polymer, namely polymer IIIa, and the characterization data of the polymer are shown in Table 1.
TABLE 1 characterization data for the polymers obtained in the examples and comparative examples
Application example and application comparative example
Firstly, the acrylate polymer containing active double bonds prepared in examples 1-3 and the saturated acrylate polymer prepared in comparative examples 1-3 are respectively and fully mixed at normal temperature according to the components and the proportion shown in the table 2 to obtain the UV light-cured pressure-sensitive adhesive and a comparative pressure-sensitive adhesive, and the viscosity test is carried out, wherein the test results are shown in the table 2; then, the pressure-sensitive adhesive was coated on a PET film with a 50 μm coater, and the PET film was subjected to a single pass irradiation with light on a conveyor belt type UV machine (e.g., FUMAX 9400D type UV machine manufactured by Kun mountain Auster electronics Co., Ltd.) at a conveying speed of 0.1m/s and a light power of 2000W to obtain a pressure-sensitive adhesive article, and then subjected to initial adhesion, holding adhesion and peeling tests, the results of which are shown in Table 2.
Table 2 formulations and performance test results of application examples and comparative application examples
As can be seen from table 2: according to the invention, the acrylate polymer containing the active double bond is creatively adopted as the polymer component of the UV photocuring pressure-sensitive adhesive, and compared with the comparative situation that the saturated acrylate polymer is adopted as the polymer component under the same condition, the viscosity of the obtained UV photocuring pressure-sensitive adhesive is reduced by 43% under the same condition, the permanent adhesion is improved by 3 times and the stripping force is improved by 1.5 times, so that the UV photocuring pressure-sensitive adhesive is very beneficial to uniform coating and convenient coating operation, has an important significance on high-quality preparation of pressure-sensitive adhesive products, and generates unexpected excellent bonding performance.
Finally, it should be pointed out here that: the above is only a part of the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention, and the insubstantial modifications and adaptations of the present invention by those skilled in the art based on the above description are intended to be covered by the present invention.
Claims (14)
1. The UV light curing pressure sensitive adhesive is characterized by being prepared by directly and fully mixing the following components at normal temperature according to the following proportion:
the sum of the mass parts of the components is 100.
2. The UV light-cured pressure-sensitive adhesive according to claim 1, wherein the UV light-cured pressure-sensitive adhesive is prepared by directly and fully mixing the following components at normal temperature according to the following mixture ratio:
the sum of the mass parts of the components is 100.
3. The UV light-curable pressure-sensitive adhesive according to claim 1 or 2, characterized in that: the acrylate polymer containing the active double bonds has a weight average molecular weight of 20000-1000000, a number average molecular weight of 10000-500000, a glass transition temperature of-100-0 ℃, and a double bond density of 0.005-0.5 mol/kg.
4. The UV light-curable pressure-sensitive adhesive according to claim 3, wherein: the weight average molecular weight of the acrylate polymer containing the active double bonds is within the range of 50000-100000, the number average molecular weight of the acrylate polymer is within the range of 25000-50000, the glass transition temperature of the acrylate polymer is within the range of-55 ℃ to-15 ℃, and the density of the double bonds is within the range of 0.01-0.1 mol/kg.
5. The UV light-curable pressure-sensitive adhesive according to claim 3, wherein: the acrylate polymer containing the active double bonds is obtained by carrying out bulk polymerization on 100 parts by mass of a monofunctional monomer with one polymerizable double bond per molecule, 0.1-10 parts by mass of a difunctional monomer with two polymerizable double bonds per molecule, 0.1-1.0 part by mass of an initiator and 1-5 parts by mass of a chain transfer agent under heating of a constant-temperature water bath at 40-70 ℃.
6. The UV light-curable pressure-sensitive adhesive according to claim 5, wherein: the monofunctional monomer having one polymerizable double bond per molecule is selected from any one or combination of methyl methacrylate, ethyl methacrylate, propyl methacrylate, n-butyl methacrylate, isobutyl methacrylate, tert-butyl methacrylate, isooctyl methacrylate, isobornyl methacrylate, lauryl methacrylate, methacrylic acid, acrylic acid, ethyl acrylate, methyl acrylate, butyl acrylate, isooctyl acrylate, lauryl acrylate and styrene.
7. The UV light-curable pressure-sensitive adhesive according to claim 5, wherein: the difunctional monomer with two polymerizable double bonds per molecule is selected from any one or combination of more of ethylene glycol diacrylate, hexanediol diacrylate, tripropylene glycol diacrylate, butanediol diacrylate, neopentyl glycol diacrylate, diethylene glycol diacrylate, triethylene glycol diacrylate, dipropylene glycol diacrylate and allyl acrylate.
8. The UV light-curable pressure-sensitive adhesive according to claim 1 or 2, characterized in that: the monofunctional acrylate soft monomer is selected from any one or more of n-butyl acrylate, isobutyl acrylate, sec-butyl acrylate, isooctyl acrylate, lauryl acrylate, octadecyl acrylate, isooctyl methacrylate, lauryl methacrylate, octadecyl methacrylate and 2-ethylhexyl acrylate.
9. The UV light-curable pressure-sensitive adhesive according to claim 1 or 2, characterized in that: the monofunctional acrylate hard monomer is selected from any one or more of methyl methacrylate, ethyl methacrylate, n-butyl methacrylate, isobornyl methacrylate, methyl acrylate, ethyl acrylate, n-propyl acrylate, tert-butyl acrylate and styrene.
10. The UV light-curable pressure-sensitive adhesive according to claim 1 or 2, characterized in that: the multifunctional acrylate monomer containing at least two polymerizable double bonds per molecule is selected from any one or combination of more of ethylene glycol diacrylate, hexanediol diacrylate, tripropylene glycol diacrylate, butanediol diacrylate, neopentyl glycol diacrylate, diethylene glycol diacrylate, triethylene glycol diacrylate, dipropylene glycol diacrylate, allyl acrylate, trimethylolpropane triacrylate and trimethylolpropane trimethacrylate.
11. The UV light-curable pressure-sensitive adhesive according to claim 1 or 2, characterized in that: the acrylate functional monomer is selected from any one or combination of acrylic acid, methacrylic acid, hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxyethyl methacrylate, hydroxypropyl methacrylate, acrylamide, N-vinyl cyclohexyl amide, maleic anhydride and glycidyl methacrylate.
12. The UV light-curable pressure-sensitive adhesive according to claim 1 or 2, characterized in that: the UV photoinitiator is selected from any one or combination of more of 2-hydroxy-2-methyl-1-phenyl-1-acetone, benzophenone, benzil dimethyl ether, benzoin dimethyl ether and benzoin isopropyl ether.
13. Use of a UV light curable pressure sensitive adhesive according to claim 1 or 2 wherein: coating the UV light-cured pressure-sensitive adhesive on a substrate film through a film coater, and then placing the substrate film under an ultraviolet illumination device for light curing to obtain the pressure-sensitive adhesive product.
14. Use according to claim 13, characterized in that: the UV light-cured pressure-sensitive adhesive is coated on a PET film through a 50-micron film coater, and then the PET film is placed on a conveyor belt type UV machine to carry out primary illumination at the conveying speed of 0.1m/s and the illumination power of 2000W to obtain the pressure-sensitive adhesive product.
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| CN202011387874.9A CN114574109B (en) | 2020-12-01 | UV (ultraviolet) photo-curing pressure-sensitive adhesive and application thereof |
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