CN116731615A - Double-component acrylic adhesive and application thereof - Google Patents
Double-component acrylic adhesive and application thereof Download PDFInfo
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- CN116731615A CN116731615A CN202310677067.8A CN202310677067A CN116731615A CN 116731615 A CN116731615 A CN 116731615A CN 202310677067 A CN202310677067 A CN 202310677067A CN 116731615 A CN116731615 A CN 116731615A
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- acrylic adhesive
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- acrylate monomer
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- 239000003522 acrylic cement Substances 0.000 title claims abstract description 24
- 239000000178 monomer Substances 0.000 claims abstract description 25
- 229920000642 polymer Polymers 0.000 claims abstract description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 239000002253 acid Substances 0.000 claims abstract description 7
- 239000003999 initiator Substances 0.000 claims abstract description 7
- 150000003254 radicals Chemical class 0.000 claims abstract description 7
- -1 acrylic ester Chemical class 0.000 claims abstract description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical group COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 claims description 4
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 4
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-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
- 239000002318 adhesion promoter Substances 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 239000002738 chelating agent Substances 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000000806 elastomer Substances 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 150000001451 organic peroxides Chemical group 0.000 claims description 4
- 238000010526 radical polymerization reaction Methods 0.000 claims description 4
- 239000004322 Butylated hydroxytoluene Substances 0.000 claims description 3
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 3
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical group OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 3
- MNOILHPDHOHILI-UHFFFAOYSA-N Tetramethylthiourea Chemical compound CN(C)C(=S)N(C)C MNOILHPDHOHILI-UHFFFAOYSA-N 0.000 claims description 3
- 235000010354 butylated hydroxytoluene Nutrition 0.000 claims description 3
- 229920002857 polybutadiene Polymers 0.000 claims description 3
- MFWFDRBPQDXFRC-LNTINUHCSA-N (z)-4-hydroxypent-3-en-2-one;vanadium Chemical compound [V].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O MFWFDRBPQDXFRC-LNTINUHCSA-N 0.000 claims description 2
- DYSXLQBUUOPLBB-UHFFFAOYSA-N 2,3-dinitrotoluene Chemical compound CC1=CC=CC([N+]([O-])=O)=C1[N+]([O-])=O DYSXLQBUUOPLBB-UHFFFAOYSA-N 0.000 claims description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- PDQAZBWRQCGBEV-UHFFFAOYSA-N Ethylenethiourea Chemical compound S=C1NCCN1 PDQAZBWRQCGBEV-UHFFFAOYSA-N 0.000 claims description 2
- 239000002211 L-ascorbic acid Substances 0.000 claims description 2
- 235000000069 L-ascorbic acid Nutrition 0.000 claims description 2
- IPCRBOOJBPETMF-UHFFFAOYSA-N N-acetylthiourea Chemical compound CC(=O)NC(N)=S IPCRBOOJBPETMF-UHFFFAOYSA-N 0.000 claims description 2
- 229920000459 Nitrile rubber Polymers 0.000 claims description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 2
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- 229960005070 ascorbic acid Drugs 0.000 claims description 2
- 229940095259 butylated hydroxytoluene Drugs 0.000 claims description 2
- FJDJVBXSSLDNJB-LNTINUHCSA-N cobalt;(z)-4-hydroxypent-3-en-2-one Chemical compound [Co].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O FJDJVBXSSLDNJB-LNTINUHCSA-N 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 229920005558 epichlorohydrin rubber Polymers 0.000 claims description 2
- 125000005155 haloalkylene group Chemical group 0.000 claims description 2
- 150000002432 hydroperoxides Chemical class 0.000 claims description 2
- 239000011976 maleic acid Substances 0.000 claims description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid group Chemical group C(\C=C/C(=O)O)(=O)O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 2
- SGGOJYZMTYGPCH-UHFFFAOYSA-L manganese(2+);naphthalene-2-carboxylate Chemical compound [Mn+2].C1=CC=CC2=CC(C(=O)[O-])=CC=C21.C1=CC=CC2=CC(C(=O)[O-])=CC=C21 SGGOJYZMTYGPCH-UHFFFAOYSA-L 0.000 claims description 2
- JDEJGVSZUIJWBM-UHFFFAOYSA-N n,n,2-trimethylaniline Chemical compound CN(C)C1=CC=CC=C1C JDEJGVSZUIJWBM-UHFFFAOYSA-N 0.000 claims description 2
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 claims description 2
- DQMWMUMCNOJLSI-UHFFFAOYSA-N n-carbamothioylbenzamide Chemical compound NC(=S)NC(=O)C1=CC=CC=C1 DQMWMUMCNOJLSI-UHFFFAOYSA-N 0.000 claims description 2
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 claims description 2
- 150000002978 peroxides Chemical class 0.000 claims description 2
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 2
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 2
- 239000011118 polyvinyl acetate Substances 0.000 claims description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 2
- NBOMNTLFRHMDEZ-UHFFFAOYSA-N thiosalicylic acid Chemical compound OC(=O)C1=CC=CC=C1S NBOMNTLFRHMDEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229940103494 thiosalicylic acid Drugs 0.000 claims description 2
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- 239000011521 glass Substances 0.000 abstract description 5
- 229920003023 plastic Polymers 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 20
- 239000000853 adhesive Substances 0.000 description 13
- 230000001070 adhesive effect Effects 0.000 description 13
- 239000000243 solution Substances 0.000 description 9
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 5
- 238000009863 impact test Methods 0.000 description 3
- CEXQWAAGPPNOQF-UHFFFAOYSA-N 2-phenoxyethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOC1=CC=CC=C1 CEXQWAAGPPNOQF-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 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 description 2
- AOJOEFVRHOZDFN-UHFFFAOYSA-N benzyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC1=CC=CC=C1 AOJOEFVRHOZDFN-UHFFFAOYSA-N 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 229940119545 isobornyl methacrylate Drugs 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- GXELTROTKVKZBQ-UHFFFAOYSA-N n,n-dibenzylhydroxylamine Chemical compound C=1C=CC=CC=1CN(O)CC1=CC=CC=C1 GXELTROTKVKZBQ-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- VALXVSHDOMUUIC-UHFFFAOYSA-N 2-methylprop-2-enoic acid;phosphoric acid Chemical group OP(O)(O)=O.CC(=C)C(O)=O VALXVSHDOMUUIC-UHFFFAOYSA-N 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- LCXXNKZQVOXMEH-UHFFFAOYSA-N Tetrahydrofurfuryl methacrylate Chemical compound CC(=C)C(=O)OCC1CCCO1 LCXXNKZQVOXMEH-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- OIWOHHBRDFKZNC-UHFFFAOYSA-N cyclohexyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCCC1 OIWOHHBRDFKZNC-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007719 peel strength test Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000307 polymer substrate Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000001220 thermal lens spectroscopy Methods 0.000 description 1
- 230000000007 visual effect Effects 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
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
技术领域Technical field
本发明涉及化学粘合剂技术领域，特别是涉及一种双组份丙烯酸粘合剂及其应用。The present invention relates to the technical field of chemical adhesives, and in particular to a two-component acrylic adhesive and its application.
背景技术Background technique
热固性丙烯酸粘合剂具有更高的抗拉强度，比环氧树脂粘合剂有更好的灵活性，并且对聚合物基材有良好的粘合强度，热固性丙烯酸粘合剂主要的最终用户从事船舶、金属和复合材料粘合行业。丙烯酸粘合剂在运输业(汽车、卡车、公共汽车、船舶)中已被欣然接受，并在风力涡轮机叶片、运动设备和消费产品市场中产生了影响。Thermoset acrylic adhesives have higher tensile strength, better flexibility than epoxy adhesives, and good bonding strength to polymer substrates. The major end users of thermoset acrylic adhesives are engaged in Marine, metal and composite bonding industries. Acrylic adhesives have been embraced in the transportation industry (cars, trucks, buses, ships) and are making an impact in wind turbine blades, sports equipment and consumer product markets.
所有的丙烯酸结构胶都具有优异的粘接强度和耐久性。尽管有着固化速度快、对表面处理不敏感、能粘合更多类型的材料等优点，但当粘合剂固化时会形成不透明的粘合线，使得其不适合用于透明基材，如玻璃和透明塑料。因此，需要一种粘合剂组合物，它在固化时提供透明或清晰的粘合线，使其特别适用于采用玻璃、塑料或其他透明基材的结构系统中。All acrylic structural adhesives offer excellent bond strength and durability. Although it has the advantages of fast curing, insensitivity to surface treatments, and the ability to bond a wider range of materials, the adhesive can form opaque bond lines when cured, making it unsuitable for use on transparent substrates such as glass. and clear plastic. Accordingly, there is a need for an adhesive composition that when cured provides a clear or clear bond line, making it particularly useful in structural systems employing glass, plastic or other transparent substrates.
发明内容Contents of the invention
本发明的目的是针对现有技术中存在的丙烯酸粘合剂固化后粘合线不清晰，不适用于透明基材的缺陷，而提供一种双组份丙烯酸粘合剂。The purpose of the present invention is to provide a two-component acrylic adhesive in view of the existing defects in the prior art that the bonding line after curing of the acrylic adhesive is not clear and is not suitable for transparent substrates.
本发明的另一方面，是提供上述双组份丙烯酸粘合剂在透明基质粘合中的应用。Another aspect of the present invention provides the application of the above two-component acrylic adhesive in transparent substrate bonding.
为实现本发明的目的所采用的技术方案是：The technical solutions adopted to achieve the purpose of the present invention are:
一种双组份丙烯酸粘合剂，包括A组分和B组分；A two-component acrylic adhesive, including component A and component B;
其中，A组分包括丙烯酸酯单体、可溶于所述丙烯酸酯单体的聚合物和自由基引发剂；所述丙烯酸酯单体、聚合物和自由基引发剂的质量比为(60-90):(10-30):(1-10)；Wherein, component A includes an acrylate monomer, a polymer soluble in the acrylate monomer and a free radical initiator; the mass ratio of the acrylate monomer, polymer and free radical initiator is (60- 90):(10-30):(1-10);
B组分包括丙烯酸酯单体、可溶于所述丙烯酸酯单体的聚合物、酸类单体和硬化促进剂；所述丙烯酸酯单体、聚合物、酸类单体和硬化促进剂的质量比为(50-90):(10-30):(10-30):(1-5)；Component B includes an acrylate monomer, a polymer soluble in the acrylate monomer, an acid monomer and a hardening accelerator; the acrylate monomer, polymer, acid monomer and hardening accelerator are The mass ratio is (50-90):(10-30):(10-30):(1-5);
所述A组分和B组分的质量比为1：1。The mass ratio of component A and component B is 1:1.
在上述技术方案中，所述丙烯酸酯单体的化学通式(1)为：In the above technical solution, the general chemical formula (1) of the acrylate monomer is:
其中R代表氢原子或甲基，R'代表氢原子、烷基或化学通式(2)；Where R represents a hydrogen atom or a methyl group, R' represents a hydrogen atom, an alkyl group or the general chemical formula (2);
所述化学通式(2)为：The general chemical formula (2) is:
其中R代表氢原子或甲基；R"代表具有2至4个碳原子的亚烷基或具有2至4个碳原子的卤代亚烷基；n为1至8的整数。Wherein R represents a hydrogen atom or a methyl group; R" represents an alkylene group having 2 to 4 carbon atoms or a haloalkylene group having 2 to 4 carbon atoms; n is an integer from 1 to 8.
在上述技术方案中，所述聚合物包括聚甲基丙烯酸甲酯、丙烯腈-丙烯酸-苯乙烯共聚物、聚乙酸乙烯酯或弹性体；所述弹性体包括丁苯橡胶、聚丁二烯橡胶、氯丁橡胶、丁腈橡胶、环氧氯丙烷橡胶中的一种或任意比例的混合。In the above technical solution, the polymer includes polymethyl methacrylate, acrylonitrile-acrylic acid-styrene copolymer, polyvinyl acetate or elastomer; the elastomer includes styrene-butadiene rubber, polybutadiene rubber , chloroprene rubber, nitrile rubber, epichlorohydrin rubber or a mixture of any proportion.
在上述技术方案中，所述自由基引发剂为有机过氧化物；所述有机过氧化物包括酮类过氧化物、氢过氧化物和二烷基过氧化物中的一种；In the above technical solution, the free radical initiator is an organic peroxide; the organic peroxide includes one of ketone peroxides, hydroperoxides and dialkyl peroxides;
作为优选，所述氢过氧化物过氧化氢异丙苯或过氧化氢积烯。Preferably, the hydroperoxide is cumene hydroperoxide or cumene hydroperoxide.
在上述技术方案中，所述酸类单体为马来酸、甲基丙烯酸或丙烯酸。In the above technical solution, the acid monomer is maleic acid, methacrylic acid or acrylic acid.
在上述技术方案中，所述硬化促进剂包括乙烯硫脲、苯甲酰硫脲、乙酰硫脲、L-抗坏血酸、硫代水杨酸、乙酰丙酮酸钒、乙酰丙酮酸钴、环烷酸锰、四甲基硫脲、N、N-二甲基甲苯胺、促进剂TMTD和环烷酸钴中的一种或任意比例的混合。In the above technical solution, the hardening accelerator includes ethylene thiourea, benzoyl thiourea, acetyl thiourea, L-ascorbic acid, thiosalicylic acid, vanadium acetylacetonate, cobalt acetylacetonate, and manganese naphthenate , tetramethylthiourea, N, N-dimethyltoluidine, accelerator TMTD and cobalt naphthenate, or a mixture in any proportion.
在上述技术方案中，所述A组分和/或B组分中还包括自由基聚合抑制剂；In the above technical solution, the A component and/or B component also includes a free radical polymerization inhibitor;
所述自由基聚合抑制剂为丁基羟基甲苯、对苯二酚、二硝基甲苯和对甲氧基苯酚中的一种或任意比例的混合。The free radical polymerization inhibitor is one or a mixture of butylated hydroxytoluene, hydroquinone, dinitrotoluene and p-methoxyphenol in any proportion.
在上述技术方案中，所述A组分还包括金属螯合剂；所述金属螯合剂为EDTA盐、氨基三亚甲基膦酸和N,N-二苄基羟胺的一种或任意比例的混合。In the above technical solution, the A component also includes a metal chelating agent; the metal chelating agent is one or a mixture of EDTA salt, aminotrimethylenephosphonic acid and N,N-dibenzylhydroxylamine in any proportion.
在上述技术方案中，所述A组分和/或B组分中还包括附着力促进剂；所述附着力促进剂为甲基丙烯酸酯磷酸盐。In the above technical solution, the A component and/or B component also includes an adhesion promoter; the adhesion promoter is methacrylate phosphate.
本发明的另一方面，上述双组份丙烯酸粘合剂在透明基材粘合中的应用。Another aspect of the present invention is the application of the above two-component acrylic adhesive in the bonding of transparent substrates.
与现有技术相比，本发明的有益效果是：Compared with the prior art, the beneficial effects of the present invention are:
1.本发明提供的双组份丙烯酸粘合剂，固化后形成透明的粘合线，适用于透明基材，例如玻璃或透明塑料。1. The two-component acrylic adhesive provided by the present invention forms a transparent bonding line after curing, and is suitable for transparent substrates, such as glass or transparent plastic.
2.本发明提供的双组份丙烯酸粘合剂，具有优良的储存稳定性，并能使固化的胶粘剂提供透明或清晰的粘接，能够在低于室温的温度下通过聚合硬化。2. The two-component acrylic adhesive provided by the present invention has excellent storage stability, can provide transparent or clear bonding to the cured adhesive, and can be hardened by polymerization at a temperature lower than room temperature.
具体实施方式Detailed ways
以下结合具体实施例对本发明作进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。The present invention will be further described in detail below with reference to specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present invention.
实施例1Example 1
一种透明的双组份丙烯酸粘合剂，包括A组分和B组分；A clear two-component acrylic adhesive, including component A and component B;
其中，A组分包括19.05wt％聚甲基丙烯酸甲酯、76.19wt％甲基丙烯酸甲酯、4.76wt％过氧化氢积烯；Among them, component A includes 19.05wt% polymethyl methacrylate, 76.19wt% methyl methacrylate, and 4.76wt% hydrogen peroxide;
B组分包括19.42wt％聚甲基丙烯酸甲酯、63.11wt％甲基丙烯酸甲酯、14.56wt％甲基丙烯酸、1.94％四甲基硫脲和0.97wt％N-二甲基甲苯胺。Component B includes 19.42wt% polymethyl methacrylate, 63.11wt% methyl methacrylate, 14.56wt% methacrylic acid, 1.94% tetramethylthiourea and 0.97wt% N-dimethyltoluidine.
对比例1-3Comparative Example 1-3
对比例1-3是在实施例1的基础上，改变聚甲基丙烯酸甲酯为ABS树脂(对比例1)、丙烯腈-丁二烯树脂(对比例2)和聚苯乙烯(对比例3)，其他组分及比例与实施例1保持一致。Comparative Examples 1-3 are based on Example 1, changing polymethylmethacrylate into ABS resin (Comparative Example 1), acrylonitrile-butadiene resin (Comparative Example 2) and polystyrene (Comparative Example 3). ), other components and proportions remain consistent with Example 1.
实施例1与对比例1-3中，等份的A部分和B部分被混合并放在玻璃片之间。大约1.5到2分钟后，玻片无法分离。In Example 1 and Comparative Examples 1-3, equal parts of Part A and Part B were mixed and placed between glass sheets. After about 1.5 to 2 minutes, the slides cannot be separated.
分别观察实施例1和对比例1-3中制备的粘合剂的外观以及固化后的粘合线颜色，结果如下：The appearance of the adhesive prepared in Example 1 and Comparative Examples 1-3 and the color of the bonding line after curing were observed respectively. The results are as follows:
由此可见，当使用聚甲基丙烯酸甲酯时，所形成的粘合剂是完全透明的，没有视觉变形。It can be seen that when polymethyl methacrylate is used, the adhesive formed is completely transparent and has no visual distortion.
对比例4-8Comparative Example 4-8
对比例4-8是在实施例1的基础上，改变甲基丙烯酸甲酯为甲基丙烯酸环己酯(对比例4)、甲基丙烯酸苄酯(对比例5)、2-苯氧乙基甲基丙烯酸酯(对比例6)、甲基丙烯酸异冰片酯(对比例7)和甲基丙烯酸四氢糠基酯(对比例8)，其他组分及比例与实施例1保持一致。Comparative Examples 4-8 are based on Example 1, changing methyl methacrylate into cyclohexyl methacrylate (Comparative Example 4), benzyl methacrylate (Comparative Example 5), and 2-phenoxyethyl Methacrylate (Comparative Example 6), isobornyl methacrylate (Comparative Example 7) and tetrahydrofurfuryl methacrylate (Comparative Example 8), other components and proportions remain consistent with Example 1.
分别观察实施例1和对比例4-8中制备的粘合剂的外观以及固化后的粘合线颜色，结果如下：The appearance of the adhesive prepared in Example 1 and Comparative Examples 4-8 and the color of the bonding line after curing were observed respectively. The results are as follows:
由此可见，甲基丙烯酸苄酯(对比例5)、2-苯氧乙基甲基丙烯酸酯(对比例6)、甲基丙烯酸异冰片酯(对比例7)和甲基丙烯酸四氢糠基酯(对比例8)均可替代甲基丙烯酸甲酯，形成的产品均为清澈透明的粘稠状，但其固化后的效果没有甲基丙烯酸甲酯好，粘合线略显朦胧。It can be seen that benzyl methacrylate (Comparative Example 5), 2-phenoxyethyl methacrylate (Comparative Example 6), isobornyl methacrylate (Comparative Example 7) and tetrahydrofurfuryl methacrylate Ester (Comparative Example 8) can replace methyl methacrylate, and the products formed are all clear and transparent, viscous, but the effect after curing is not as good as methyl methacrylate, and the bonding line is slightly hazy.
实施例2-7Example 2-7
一种透明的双组份丙烯酸粘合剂，包括A组分和B组分；其中各组分名称及比例如下表所示：A transparent two-component acrylic adhesive, including component A and component B; the names and proportions of each component are as shown in the table below:
实施例2-7制备的透明的双组份丙烯酸粘合剂的性能检测结果如下表所示：The performance test results of the transparent two-component acrylic adhesive prepared in Examples 2-7 are as shown in the following table:
备注：Remark:
TLS拉伸搭接剪切力是指根据ASTM D1002标准测量的拉伸搭接剪切力。试验是根据ASTM D1002对钢材进行的，而T-peel(90°)接头是根据ASTM D1876-08中以10毫米/分钟的加载速度准备和测试的。(a)表示破裂面为粘接面；(c)表示破裂面为胶体内部。TLS tensile lap shear refers to tensile lap shear measured according to ASTM D1002 standard. Tests were conducted on steel in accordance with ASTM D1002, while T-peel (90°) joints were prepared and tested in accordance with ASTM D1876-08 at a loading rate of 10 mm/min. (a) indicates that the rupture surface is the bonding surface; (c) indicates that the rupture surface is inside the colloid.
冲击试验是在通用汽车公司认证的夏比侧面冲击试验机上进行的，以kJ/m2为单位。(a)表示破裂面为粘接面；(c)表示破裂面为胶体内部。Impact testing is performed on a General Motors certified Charpy side impact testing machine and is measured in kJ/m2. (a) indicates that the rupture surface is the bonding surface; (c) indicates that the rupture surface is inside the colloid.
75℃储存的稳定性试验是按照以下测试方法测量的：将10克液体系统(A组分或B份)放入15毫升的铝管容器中并密封好，然后放在75℃的干燥器中，测量直到液体系统被胶化所需的时间。The stability test stored at 75°C is measured according to the following test method: Place 10 grams of liquid system (Part A or Part B) into a 15 ml aluminum tube container and seal it, then place it in a desiccator at 75°C , measure the time required until the liquid system is gelled.
从实施例2-4的对比结果可以看出，随着B组分中甲基丙烯酸的添加量的增多，钢件上的拉伸搭接剪切力TLS、剥离强度和冲击试验随之增加。同时，随着A/B组分中BHT添加量的增加，粘合剂的储存稳定性明显增强。It can be seen from the comparative results of Examples 2-4 that as the amount of methacrylic acid added in component B increases, the tensile lap shear force TLS, peel strength and impact test on the steel parts increase. At the same time, as the amount of BHT added in the A/B component increases, the storage stability of the adhesive is significantly enhanced.
从实施例5-7与实施例2-4的对比结果可以看出，添加EDTA水溶液后，其制备的粘合剂在剥离强度上有着大幅提高。From the comparison results of Examples 5-7 and Examples 2-4, it can be seen that after adding the EDTA aqueous solution, the peel strength of the prepared adhesive is greatly improved.
以上所述仅是本发明的优选实施方式，应当指出的是，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。The above are only preferred embodiments of the present invention. It should be noted that those skilled in the art can also make several improvements and modifications without departing from the principles of the present invention. These improvements and Retouching should also be considered within the scope of the present invention.
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