JP3775224B2 - Primer for 2-cyanoacrylate adhesive - Google Patents
Primer for 2-cyanoacrylate adhesive Download PDFInfo
- Publication number
- JP3775224B2 JP3775224B2 JP2001022348A JP2001022348A JP3775224B2 JP 3775224 B2 JP3775224 B2 JP 3775224B2 JP 2001022348 A JP2001022348 A JP 2001022348A JP 2001022348 A JP2001022348 A JP 2001022348A JP 3775224 B2 JP3775224 B2 JP 3775224B2
- Authority
- JP
- Japan
- Prior art keywords
- primer
- compound
- cyanoacrylate
- compounds
- cyanoacrylate adhesive
- 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.)
- Expired - Lifetime
Links
- IJVRPNIWWODHHA-UHFFFAOYSA-N 2-cyanoprop-2-enoic acid Chemical compound OC(=O)C(=C)C#N IJVRPNIWWODHHA-UHFFFAOYSA-N 0.000 title claims description 22
- 239000004830 Super Glue Substances 0.000 title claims description 18
- -1 phosphine compound Chemical class 0.000 claims description 42
- 239000004480 active ingredient Substances 0.000 claims description 20
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Natural products P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims description 15
- 229910000073 phosphorus hydride Inorganic materials 0.000 claims description 13
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 10
- 150000002989 phenols Chemical class 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 150000003003 phosphines Chemical class 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- OISVCGZHLKNMSJ-UHFFFAOYSA-N 2,6-dimethylpyridine Chemical compound CC1=CC=CC(C)=N1 OISVCGZHLKNMSJ-UHFFFAOYSA-N 0.000 description 2
- GPNYZBKIGXGYNU-UHFFFAOYSA-N 2-tert-butyl-6-[(3-tert-butyl-5-ethyl-2-hydroxyphenyl)methyl]-4-ethylphenol Chemical compound CC(C)(C)C1=CC(CC)=CC(CC=2C(=C(C=C(CC)C=2)C(C)(C)C)O)=C1O GPNYZBKIGXGYNU-UHFFFAOYSA-N 0.000 description 2
- FWXAUDSWDBGCMN-UHFFFAOYSA-N 3-diphenylphosphanylbutan-2-yl(diphenyl)phosphane Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)C(C)C(C)P(C=1C=CC=CC=1)C1=CC=CC=C1 FWXAUDSWDBGCMN-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- FGBJXOREULPLGL-UHFFFAOYSA-N ethyl cyanoacrylate Chemical compound CCOC(=O)C(=C)C#N FGBJXOREULPLGL-UHFFFAOYSA-N 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 150000002902 organometallic compounds Chemical class 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- KYLUAQBYONVMCP-UHFFFAOYSA-N (2-methylphenyl)phosphane Chemical compound CC1=CC=CC=C1P KYLUAQBYONVMCP-UHFFFAOYSA-N 0.000 description 1
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 1
- BVUXDWXKPROUDO-UHFFFAOYSA-N 2,6-di-tert-butyl-4-ethylphenol Chemical compound CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 BVUXDWXKPROUDO-UHFFFAOYSA-N 0.000 description 1
- DMHHYBUEZRZGDK-UHFFFAOYSA-N 2-(3,5-ditert-butyl-4-hydroxyphenyl)propanamide Chemical compound NC(=O)C(C)C1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 DMHHYBUEZRZGDK-UHFFFAOYSA-N 0.000 description 1
- LRLQQERNMXHASR-UHFFFAOYSA-N 2-diphenylphosphanylpropan-2-yl(diphenyl)phosphane Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)C(C)(C)P(C=1C=CC=CC=1)C1=CC=CC=C1 LRLQQERNMXHASR-UHFFFAOYSA-N 0.000 description 1
- IQDPHMACOQAPBQ-UHFFFAOYSA-N 2-ethoxyethyl 2-cyanoprop-2-enoate Chemical compound CCOCCOC(=O)C(=C)C#N IQDPHMACOQAPBQ-UHFFFAOYSA-N 0.000 description 1
- WXAFTQJQXYGOKV-UHFFFAOYSA-N 2-ethylhexyl 2-cyanoprop-2-enoate Chemical compound CCCCC(CC)COC(=O)C(=C)C#N WXAFTQJQXYGOKV-UHFFFAOYSA-N 0.000 description 1
- TVWGHFVGFWIHFN-UHFFFAOYSA-N 2-hexadecan-2-yl-4,6-dimethylphenol Chemical compound CCCCCCCCCCCCCCC(C)C1=CC(C)=CC(C)=C1O TVWGHFVGFWIHFN-UHFFFAOYSA-N 0.000 description 1
- SBJIQJIAXGQAJD-UHFFFAOYSA-N 2-methyl-3-(octylsulfanylmethyl)phenol Chemical compound CCCCCCCCSCC1=CC=CC(O)=C1C SBJIQJIAXGQAJD-UHFFFAOYSA-N 0.000 description 1
- HXIQYSLFEXIOAV-UHFFFAOYSA-N 2-tert-butyl-4-(5-tert-butyl-4-hydroxy-2-methylphenyl)sulfanyl-5-methylphenol Chemical compound CC1=CC(O)=C(C(C)(C)C)C=C1SC1=CC(C(C)(C)C)=C(O)C=C1C HXIQYSLFEXIOAV-UHFFFAOYSA-N 0.000 description 1
- NQQDJQMOEYVMCD-UHFFFAOYSA-N 2-tert-butyl-4-[1-(3-tert-butyl-4-hydroxy-5-methylphenyl)butyl]-6-methylphenol Chemical compound C=1C(C)=C(O)C(C(C)(C)C)=CC=1C(CCC)C1=CC(C)=C(O)C(C(C)(C)C)=C1 NQQDJQMOEYVMCD-UHFFFAOYSA-N 0.000 description 1
- PFANXOISJYKQRP-UHFFFAOYSA-N 2-tert-butyl-4-[1-(5-tert-butyl-4-hydroxy-2-methylphenyl)butyl]-5-methylphenol Chemical compound C=1C(C(C)(C)C)=C(O)C=C(C)C=1C(CCC)C1=CC(C(C)(C)C)=C(O)C=C1C PFANXOISJYKQRP-UHFFFAOYSA-N 0.000 description 1
- PFSVSOOFNDBGMO-UHFFFAOYSA-N 3-methoxypropyl 2-cyanoprop-2-enoate Chemical compound COCCCOC(=O)C(=C)C#N PFSVSOOFNDBGMO-UHFFFAOYSA-N 0.000 description 1
- VSAWBBYYMBQKIK-UHFFFAOYSA-N 4-[[3,5-bis[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-2,4,6-trimethylphenyl]methyl]-2,6-ditert-butylphenol Chemical compound CC1=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C1CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VSAWBBYYMBQKIK-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000007718 adhesive strength test Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000010539 anionic addition polymerization reaction Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- VRKSJXIKRFNNFZ-UHFFFAOYSA-N benzyl 2-cyanoprop-2-enoate Chemical compound N#CC(=C)C(=O)OCC1=CC=CC=C1 VRKSJXIKRFNNFZ-UHFFFAOYSA-N 0.000 description 1
- CZBZUDVBLSSABA-UHFFFAOYSA-N butylated hydroxyanisole Chemical compound COC1=CC=C(O)C(C(C)(C)C)=C1.COC1=CC=C(O)C=C1C(C)(C)C CZBZUDVBLSSABA-UHFFFAOYSA-N 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- HASCQPSFPAKVEK-UHFFFAOYSA-N dimethyl(phenyl)phosphine Chemical compound CP(C)C1=CC=CC=C1 HASCQPSFPAKVEK-UHFFFAOYSA-N 0.000 description 1
- HPYNZHMRTTWQTB-UHFFFAOYSA-N dimethylpyridine Natural products CC1=CC=CN=C1C HPYNZHMRTTWQTB-UHFFFAOYSA-N 0.000 description 1
- UMFWLUTUYFDZNQ-UHFFFAOYSA-N diphenyl(2-phenylethenyl)phosphane Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)C=CC1=CC=CC=C1 UMFWLUTUYFDZNQ-UHFFFAOYSA-N 0.000 description 1
- GPAYUJZHTULNBE-UHFFFAOYSA-N diphenylphosphine Chemical compound C=1C=CC=CC=1PC1=CC=CC=C1 GPAYUJZHTULNBE-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- JJJFUHOGVZWXNQ-UHFFFAOYSA-N enbucrilate Chemical compound CCCCOC(=O)C(=C)C#N JJJFUHOGVZWXNQ-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- WUOIAOOSKMHJOV-UHFFFAOYSA-N ethyl(diphenyl)phosphane Chemical compound C=1C=CC=CC=1P(CC)C1=CC=CC=C1 WUOIAOOSKMHJOV-UHFFFAOYSA-N 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- QRWOVIRDHQJFDB-UHFFFAOYSA-N isobutyl cyanoacrylate Chemical compound CC(C)COC(=O)C(=C)C#N QRWOVIRDHQJFDB-UHFFFAOYSA-N 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- UJNZOIKQAUQOCN-UHFFFAOYSA-N methyl(diphenyl)phosphane Chemical compound C=1C=CC=CC=1P(C)C1=CC=CC=C1 UJNZOIKQAUQOCN-UHFFFAOYSA-N 0.000 description 1
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- RPQUGMLCZLGZTG-UHFFFAOYSA-N octyl cyanoacrylate Chemical compound CCCCCCCCOC(=O)C(=C)C#N RPQUGMLCZLGZTG-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- FNVQIYPKWVVQID-UHFFFAOYSA-N oxolan-2-ylmethyl 2-cyanoprop-2-enoate Chemical compound N#CC(=C)C(=O)OCC1CCCO1 FNVQIYPKWVVQID-UHFFFAOYSA-N 0.000 description 1
- SXRFXXNXVPFXDU-UHFFFAOYSA-N pentyl 2-cyanoprop-2-enoate Chemical compound CCCCCOC(=O)C(=C)C#N SXRFXXNXVPFXDU-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- RPGWZZNNEUHDAQ-UHFFFAOYSA-N phenylphosphine Chemical compound PC1=CC=CC=C1 RPGWZZNNEUHDAQ-UHFFFAOYSA-N 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical class OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- ITCZEZQMUWEPQP-UHFFFAOYSA-N prop-2-enyl 2-cyanoprop-2-enoate Chemical compound C=CCOC(=O)C(=C)C#N ITCZEZQMUWEPQP-UHFFFAOYSA-N 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- SQGOMFWCSGKGEP-UHFFFAOYSA-N propan-2-yl 2-cyanoprop-2-enoate Chemical compound CC(C)OC(=O)C(=C)C#N SQGOMFWCSGKGEP-UHFFFAOYSA-N 0.000 description 1
- ZTYMNUBYYQNBFP-UHFFFAOYSA-N propyl 2-cyanoprop-2-enoate Chemical compound CCCOC(=O)C(=C)C#N ZTYMNUBYYQNBFP-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229930003799 tocopherol Natural products 0.000 description 1
- 239000011732 tocopherol Substances 0.000 description 1
- 235000019149 tocopherols Nutrition 0.000 description 1
- FPZZZGJWXOHLDJ-UHFFFAOYSA-N trihexylphosphane Chemical compound CCCCCCP(CCCCCC)CCCCCC FPZZZGJWXOHLDJ-UHFFFAOYSA-N 0.000 description 1
- RMZAYIKUYWXQPB-UHFFFAOYSA-N trioctylphosphane Chemical compound CCCCCCCCP(CCCCCCCC)CCCCCCCC RMZAYIKUYWXQPB-UHFFFAOYSA-N 0.000 description 1
- QUEDXNHFTDJVIY-UHFFFAOYSA-N γ-tocopherol Chemical class OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1 QUEDXNHFTDJVIY-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Adhesives Or Adhesive Processes (AREA)
Description
【0001】
【発明の属する技術分野】
本発明の2−シアノアクリレート系接着剤用プライマー(以下、単に「プライマー」と称する。)は、非極性基材を2−シアノアクリレート系接着剤を用いて効果的に接着するために用いるもので、特にオープンタイムを極めて長く取ることのできるプライマーに関するものである。
【0002】
【従来の技術】
2−シアノアクリレート系接着剤は、その高いアニオン重合性により、被着体表面や空気中の水分等のアニオン種によって短時間で重合硬化し各種材料を接着させるため、瞬間接着剤として、電子・電気、自動車などの各種産業界、レジャー分野および一般家庭で広く用いられているが、ポリエチレンやポリプロピレン等の非極性基材の接着においては、十分な接着力が得られないという欠点があった。
【0003】
上記課題を解決すべく、接着を行う前に予め被着材の表面を特定の化合物を有効成分とするプライマーで処理する方法が、今までに多数提案されている。
【0004】
例えば、特開昭62−18485号のルチジンやピリジン等を有効成分とするもの、特開昭63−51489号のポリアミン化合物を有効成分とするもの、特開昭64−1783号の第1脂肪族アミンを有効成分とするもの、並びに特開平6−503376号のエチレンジアミンを有効成分とするものなどの含窒素化合物を有効成分とするプライマーが数多く提案されている。
【0005】
また、含窒素化合物以外を有効成分とするものとしては、特開昭60−203684号の有機金属化合物を有効成分とするもの、特開昭61−136567号のチタネートカップリング剤を有効成分とするもの、特開昭63−10796号のホスファイト系化合物を有効成分とするもの、特開昭63−162781号のベンゼン環を有する有機ホスフィン化合物の1種類以上を有効成分とするもの、並びに特開平2−120378号のアルキルホスフィン化合物を有効成分とするものなどのプライマーが数多く提案されている。
【0006】
しかしながら、上記プライマーは、塗布してから長時間置いた後に接着剤を塗布し接着を行おうとすると十分な性能が得られないといったように、オープンタイムが短いという欠点があった。これに対してオープンタイムを改良したプライマーの例として、特開平6−57218号の長鎖アルキル基をもつ3級アミンを有効成分とするものが提案されているが、当該プライマーにおいてもこのオープンタイムに関する問題は十分に解決されているとはいえないものであった。
【0007】
【発明が解決しようとする課題】
本発明の目的は、2−シアノアクリレート系接着剤を用いて非極性基材の接着を行うに当たって、接着力を大幅に向上させると共に、オープンタイムを極めて長く取ることのできるプライマーを提供することにある。
【0008】
【課題を解決するための手段】
本発明者らは、有機ホスフィン化合物の1種類以上とヒンダードフェノール系化合物の1種以上とを有効成分とするプライマーが、既存のいずれのプライマーと比較しても、長いオープンタイムを取ることのできるプライマーであることを見出し本発明を完成するに至った。
【0009】
即ち、本発明は有機ホスフィン化合物およびヒンダードフェノール系化合物を有効成分とする2−シアノアクリレート系接着剤用プライマーである。
【0010】
【発明の実施の形態】
以下に、本発明を詳細に説明する。
本発明のプライマー有効成分の一つである有機ホスフィン化合物の具体例としては、フェニルホスフィン、ジフェニルホスフィン、トリフェニルホスフィン、メチルジフェニルホスフィン、ジメチルフェニルホスフィン、トリトリルホスフィン、ジフェニルスチリルホスフィン、ジフェニルメタスチリルホスフィン、トリ−n−ヘキシルホスフィンまたはトリ−n−オクチルホスフィンなどの、ホスフィン(PH3)の水素の全部または一部を、アリール基および/またはアルキル基で置換した化合物;ビスジフェニルホスフィノメタン、ビスジフェニルホスフィノエタン、ビスジフェニルホスフィノプロパン、ビスジフェニルホスフィノブタン、ビスジフェニルホスフィンペンタンまたはビスジフェニルホスフィノヘキサンなどのビスジアリールホスフィノアルカン類などが挙げられる。
【0011】
これらの中で特に、ベンゼン環を有する有機ホスフィン化合物は、これを用いると、オープンタイムを長くとった場合により強い接着速度および接着強度を示すので好ましい種類である。
【0012】
具体的には、トリフェニルホスフィンやトリトリルホスフィン、ビスジフェニルホスフィノブタンやビスジフェニルホスフィノヘキサンが好ましく用いられる。
【0013】
本発明のプライマーにおけるもう一つの有効成分であるヒンダードフェノール系化合物は、一般的にはポリマーの劣化防止剤として使用されるもので、従来、プライマーの構成成分として用いられた例はないものである。
【0014】
この化合物の具体例としては、2,6−ジ−t−ブチル−p−クレゾール、ブチルヒドロキシアニソール、2,6−ジ−t−ブチル−4−エチルフェノール、ステアリル−β−(3,5−ジ−t−ブチル−4−ヒドロキシフェニル)プロピオネート、2,4−ジメチル−6−(1−メチルペンタデシル)フェノールまたは4,6−ビス(オクチルチオメチル)−o−クレゾールなどのモノフェノール系化合物;2,2’−メチレンビス(4−メチル−6−t−ブチルフェノール)、2,2’−メチレンビス(4−エチル−6−t−ブチルフェノール)、4,4’−チオビス(3−メチル−6−t−ブチルフェノール)、チオジエチレンビス[3−(3,5−ジ−t−ブチル−4−ヒドロキシフェニル)プロピオネート、4,4’−ブチリデンビス(3−メチル−6−t−ブチルフェノール)、N,N’−ヘキサン−1,6−ジイルビス[3−(3,5−ジ−t−ブチル−4−ヒドロキシフェニルプロピオナミド)、エチレンビス(オキシエチレン)ビス[3−(5−t−ブチル−4−ヒドロキシ−m−トリル)プロピオネート]またはヘキサメチレンビス[3−(3,5−ジ−t−ブチル−4−ヒドロキシフェニル)プロピオネートなどのビスフェノール系化合物;1,1,3−トリス(2−メチル−4−ヒドロキシ−5−t−ブチルフェニル)ブタン、1,3,5−トリメチル−2,4,6−トリス(3,5−ジ−t−ブチル−4−ヒドロキシベンジル)ベンゼン、テトラキス−[メチレン−3−(3’,5’−ジ−t−ブチル−4’−ヒドロキシフェニル)プロピオネート]メタン、ビス[3,3’−ビス(4’−ヒドロキシ−3’−t−ブチルフェニル)ブチリックアシッド]グリコールエステル、1,3,5−トリス(3’,5’−ジ−t−ブチル−4’−ヒドロキシベンジル)−S−トリアジン−2,4,6−(1H,3H,5H)トリオンまたはトコフェロール類などの高分子型フェノール系化合物などが挙げられる。
【0015】
これらの化合物の中では、2,2’−メチレンビス(4−メチル−6−t−ブチルフェノール)、2,2’−メチレンビス(4−エチル−6−t−ブチルフェノール)、4,4’−ブチリデンビス(3−メチル−6−t−ブチルフェノール)、6−ビス(オクチルチオメチル)−o−クレゾールが そのオープンタイム性能と接着性能のバランスが良く好ましい種類である。
【0016】
プライマーの有効成分である有機ホスフィン化合物およびヒンダードフェノール系化合物は、適当な溶剤に溶解または分散させた液状で被着材に塗布するのが望ましい。
【0017】
溶剤としては、プライマーの有効成分を、完全に溶解しまた分散し得る一般的な有機溶剤であって、適度な揮発性を有しており、かつ工業的に容易に入手できるものであることが望ましい。
【0018】
上記溶剤の具体例としてはペンタン、ヘキサン、ヘプタン、シクロヘキサンまたはメチルシクロヘキサン、トルエンなどの炭化水素類;メタノール、エタノール、プロパノールまたはイソプロパノールなどのアルコール類;アセトンなどのケトン類;酢酸エチルなどのエステル類;その他エーテル類、含フッ素化合物系溶剤、含塩素化合物系溶剤または含窒素化合物系溶剤などが挙げられる。これら各種溶剤は、1種または2種以上を混合して用いる。
【0019】
プライマー液中の有機ホスフィン化合物やヒンダードフェノール系化合物の濃度の好ましい範囲は次のとおりである。有機ホスフィン化合物の好ましい濃度は、0.01〜20重量%であり、より好ましくは0.05〜10重量部である。そしてヒンダードフェノール系化合物の好ましい濃度は、0.0001〜10重量%であり、より好ましくは0.0005〜5重量%である。これは上記濃度のプライマー液を塗布した場合に、有効成分の各化合物が被着材上で好ましい厚みの薄膜を形成し、プライマーとしての効果を最も発揮するためである。
【0020】
本発明のプライマーには、それ自身がプライマーとしての性能を有するホスファイト化合物、アミン化合物または有機金属化合物を添加することができる。更に、塗工性を改良するために溶剤に溶解または分散する有機ポリマーや可塑剤、或いは着色目的での色素を添加することもできる。
【0021】
なお、本発明のプライマーは、他の2−シアノアクリレート系接着剤用プライマーと併用することもできる。
【0022】
本発明のプライマーは2−シアノアクリレート系接着剤用のプライマーとして用いるのであるが、その2−シアノアクリレート系接着剤の主成分として用いられる2−シアノアクリレートの具体例としては、メチル−2−シアノアクリレート、エチル−2−シアノアクリレート、プロピル−2−シアノアクリレート、イソプロピル−2−シアノアクリレート、ブチル−2−シアノアクリレート、イソブチル−2−シアノアクリレート、アミル−2−シアノアクリレート、ヘキシル−2−シアノアクリレート、シクロヘキシル−2−シアノアクリレート、オクチル−2−シアノアクリレート、2−エチルヘキシル−2−シアノアクリレート、アリル−2−シアノアクリレート、ベンジル−2−シアノアクリレート、メトキシエチル−2−シアノアクリレート、エトキシエチル−2−シアノアクリレート、メトキシプロピル−2−シアノアクリレート、テトラヒドロフルフリル−2−シアノアクリレートなどが挙げられ、2−シアノアクリレートは1種類にとどまらず2種以上を混合使用することもできる。
【0023】
また2−シアノアクリレート系接着剤には、前記2−シアノアクリレート以外に、必要に応じて、硬化促進剤、密着性向上剤、アニオン重合防止剤、ラジカル重合防止剤、増粘剤、エラストマー、揺変剤、着色剤、可塑剤、熱安定剤、軟化剤、充填剤、香料、染料、顔料または溶剤などの各種添加剤を加えることができる。
【0024】
【作用】
本発明のプライマーが、オープンタイムを極めて長く取ることができるという特長を有する理由は明らかでないが、有機ホスフィン化合物が非極性基材への接着性を発現させると共に、ヒンダードフェノール系化合物が、有機ホスフィン化合物の性能を減ずることなしに、被着材表面に形成されたプライマー有効成分膜の接着性能を安定化させることができるためと推測される。
【0025】
【実施例】
以下、実施例を挙げて更に詳しく本発明を説明する。
【0026】
試験はJIS K 6861に準じて行った。但しテストピースは巾25mm、長さ100mmで厚さはポリエチレンが3mm厚、ポリプロピレンが2mm厚のものを用い、接着剤には東亞合成株式会社製のアロンアルフア#201(エチル−2−シアノアクリレート系接着剤)を使用した。
【0027】
(セットタイム試験方法)
二枚の試験片面にプライマーを塗布し、所定時間乾燥させた後、その一方のテストピースのプライマー塗布面に2−シアノアクリレート系組成物を塗布した後、他方の試験片のプライマー塗布面で貼りあわせ圧着し、手で軽く試験片を長軸方向へ引っ張って外れなくなるまでに要する時間をストップウォッチにて計測した。
【0028】
(引張せん断接着強度試験方法)
二枚の試験片面に上記プライマーを塗布し、所定時間乾燥させた後、その一方のテストピースのプライマー塗布面に2−シアノアクリレート系組成物を塗布した後、他方の試験片のプライマー塗布面で貼りあわせ圧着し一日養生後、所定の負荷をかけ計測を実施した。
【0029】
実施例1〜13、比較例1〜4
表1に記載のように、トリフェニルホスフィンと各種ヒンダードフェノール系化合物を溶エタノールに溶解させてプライマーを作製し、ポリプロピレン被着材に対して各種試験を行った。
【0030】
【表1】
【0031】
表1より明らかなように、トリフェニルホスフィンと各種ヒンダードフェノール系化合物とを添加したプライマーは、比較例1,2のようにホスフィンのみを添加したものや比較例3のようにヒンダードフェノール系化合物のみを添加したものと比較して、強度やセットタイムについてオープンタイムが向上していることがわかる。また、比較例4に示すとおり、本発明のプライマーはこれまでにオープンタイムが長いと考えられていたアミン化合物を添加した場合と比較しても良好なオープンタイムを得ることができる。
【0032】
実施例14〜18、比較例5〜9
表2に記載のように、各種有機ホスフィン化合物と各種ヒンダードフェノール系化合物とを各種溶剤に溶解してプライマーを作製し、ポリプロピレン被着材に対して各種試験を行った。
【0033】
【表2】
【0034】
表2より明らかなように、各種有機ホスフィン化合物とヒンダードフェノール系化合物とを添加したプライマーは、比較例5〜8のように有機ホスフィン化合物のみを添加したものや比較例9のようにヒンダードフェノール系化合物のみを添加したものに比べて、強度やセットタイムについてオープンタイムが向上していることがわかる。
【0035】
実施例19〜21、比較例10〜12
表3に記載のように、トリフェニルホスフィンと各種ヒンダードフェノール系化合物とをエタノールに溶解させてプライマーを作製し、ポリエチレン被着材に対して接着強度試験を行った。
【0036】
【表3】
【0037】
表3より明らかなように、ポリエチレンに対しても、ホスフィン化合物とヒンダードフェノール系化合物とを添加したプライマーは、比較例10のようにホスフィンのみを添加したものや比較例11のようにヒンダードフェノール系化合物のみを添加したものに比べて、オープンタイムが向上していることがわかる。また、比較例12に示した、これまでにオープンタイムが長いと考えられていたアミン化合物を添加したものと比較しても良好なオープンタイムを得ることができる。
【0038】
【発明の効果】
本発明の2−シアノアクリレート系接着剤用プライマーを用いると、2−シアノアクリレート系接着剤を用いて非極性基材の接着を行うに当たって、接着力が大幅に向上するだけでなく、塗布後にオープンタイムを極めて長くとっても良好に接着を行うことができる。従って、生産ラインに合わせ接着するまでの時間を調整することができるため、2−シアノアクリレート系接着剤を、工業用にもまた一般家庭用においても、従来より更に多くの用途で幅広く利用可能とすることができる。[0001]
BACKGROUND OF THE INVENTION
The primer for 2-cyanoacrylate adhesive of the present invention (hereinafter simply referred to as “primer”) is used to effectively bond a nonpolar substrate using a 2-cyanoacrylate adhesive. In particular, the present invention relates to a primer that can take an extremely long open time.
[0002]
[Prior art]
The 2-cyanoacrylate adhesive is polymerized and cured in a short time by anionic species such as the surface of the adherend and moisture in the air due to its high anionic polymerizability, and bonds various materials. Although widely used in various industries such as electricity and automobiles, leisure fields, and general households, there is a drawback in that sufficient adhesion cannot be obtained when bonding nonpolar substrates such as polyethylene and polypropylene.
[0003]
In order to solve the above-mentioned problems, many methods have been proposed so far in which the surface of an adherend is treated with a primer containing a specific compound as an active ingredient before bonding.
[0004]
For example, those having lutidine, pyridine, etc. as disclosed in JP-A-62-18485 as active ingredients, those containing polyamine compounds as disclosed in JP-A-63-51489, and first aliphatic groups as disclosed in JP-A-64-1783. Many primers having nitrogen-containing compounds as active ingredients such as those having amine as an active ingredient and those having ethylenediamine as an active ingredient in JP-A-6-503376 have been proposed.
[0005]
Further, as an active ingredient other than a nitrogen-containing compound, an organometallic compound disclosed in JP-A-60-203684 is used as an active ingredient, and a titanate coupling agent disclosed in JP-A-61-136567 is used as an active ingredient. Those having phosphite compounds of JP-A 63-10796 as active ingredients, those having one or more organic phosphine compounds having a benzene ring as JP-A 63-162781, and A number of primers such as those having an alkylphosphine compound of No. 2-12378 as an active ingredient have been proposed.
[0006]
However, the primer has a drawback that it has a short open time, such as a sufficient performance cannot be obtained if an adhesive is applied after bonding for a long time after application. On the other hand, as an example of a primer with improved open time, one having a tertiary amine having a long-chain alkyl group as an active ingredient has been proposed in JP-A-6-57218. The problem concerning was not fully resolved.
[0007]
[Problems to be solved by the invention]
An object of the present invention is to provide a primer capable of greatly improving the adhesive force and taking an extremely long open time when bonding a non-polar substrate using a 2-cyanoacrylate adhesive. is there.
[0008]
[Means for Solving the Problems]
The inventors of the present invention have a primer that has one or more types of organic phosphine compounds and one or more types of hindered phenol compounds as active ingredients, and takes a long open time compared to any existing primer. The inventors have found that it is a primer that can be used, and have completed the present invention.
[0009]
That is, the present invention is a primer for a 2-cyanoacrylate adhesive containing an organic phosphine compound and a hindered phenol compound as active ingredients.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
The present invention is described in detail below.
Specific examples of organic phosphine compounds that are one of the active ingredients of the primer of the present invention include phenylphosphine, diphenylphosphine, triphenylphosphine, methyldiphenylphosphine, dimethylphenylphosphine, tolylphosphine, diphenylstyrylphosphine, diphenylmetastyrylphosphine. , A compound in which all or part of hydrogen of phosphine (PH 3 ) is substituted with an aryl group and / or an alkyl group, such as tri-n-hexylphosphine or tri-n-octylphosphine; bisdiphenylphosphinomethane, bis Bisdia, such as diphenylphosphinoethane, bisdiphenylphosphinopropane, bisdiphenylphosphinobutane, bisdiphenylphosphinepentane or bisdiphenylphosphinohexane Such Lumpur phosphino alkanes and the like.
[0011]
Among these, in particular, an organic phosphine compound having a benzene ring is a preferable type because it exhibits a stronger adhesion rate and adhesion strength when a long open time is used.
[0012]
Specifically, triphenylphosphine, tolylylphosphine, bisdiphenylphosphinobutane and bisdiphenylphosphinohexane are preferably used.
[0013]
The hindered phenol compound, which is another active ingredient in the primer of the present invention, is generally used as an anti-degradation agent for polymers, and has not been used as a component of a primer in the past. is there.
[0014]
Specific examples of this compound include 2,6-di-t-butyl-p-cresol, butylhydroxyanisole, 2,6-di-t-butyl-4-ethylphenol, stearyl-β- (3,5- Monophenolic compounds such as di-t-butyl-4-hydroxyphenyl) propionate, 2,4-dimethyl-6- (1-methylpentadecyl) phenol or 4,6-bis (octylthiomethyl) -o-cresol 2,2'-methylenebis (4-methyl-6-t-butylphenol), 2,2'-methylenebis (4-ethyl-6-t-butylphenol), 4,4'-thiobis (3-methyl-6- t-butylphenol), thiodiethylenebis [3- (3,5-di-t-butyl-4-hydroxyphenyl) propionate, 4,4′-butylidenebis ( -Methyl-6-t-butylphenol), N, N'-hexane-1,6-diylbis [3- (3,5-di-t-butyl-4-hydroxyphenylpropionamide), ethylenebis (oxyethylene) Bisphenol compounds such as bis [3- (5-t-butyl-4-hydroxy-m-tolyl) propionate] or hexamethylenebis [3- (3,5-di-t-butyl-4-hydroxyphenyl) propionate 1,1,3-tris (2-methyl-4-hydroxy-5-tert-butylphenyl) butane, 1,3,5-trimethyl-2,4,6-tris (3,5-di-t- Butyl-4-hydroxybenzyl) benzene, tetrakis- [methylene-3- (3 ′, 5′-di-t-butyl-4′-hydroxyphenyl) propionate] methane, bis [ , 3′-bis (4′-hydroxy-3′-t-butylphenyl) butyric acid] glycol ester, 1,3,5-tris (3 ′, 5′-di-t-butyl-4′-hydroxy Benzyl) -S-triazine-2,4,6- (1H, 3H, 5H) trione or polymer type phenolic compounds such as tocopherols.
[0015]
Among these compounds, 2,2′-methylenebis (4-methyl-6-tert-butylphenol), 2,2′-methylenebis (4-ethyl-6-tert-butylphenol), 4,4′-butylidenebis ( 3-methyl-6-tert-butylphenol) and 6-bis (octylthiomethyl) -o-cresol are preferable types with a good balance between their open time performance and adhesive performance.
[0016]
The organic phosphine compound and the hindered phenol compound, which are the active ingredients of the primer, are desirably applied to the adherend in a liquid state dissolved or dispersed in an appropriate solvent.
[0017]
The solvent is a general organic solvent that can completely dissolve and disperse the active ingredient of the primer, has an appropriate volatility, and can be easily obtained industrially. desirable.
[0018]
Specific examples of the solvent include hydrocarbons such as pentane, hexane, heptane, cyclohexane or methylcyclohexane and toluene; alcohols such as methanol, ethanol, propanol and isopropanol; ketones such as acetone; esters such as ethyl acetate; Other examples include ethers, fluorine-containing compound solvents, chlorine-containing compound solvents, and nitrogen-containing compound solvents. These various solvents are used alone or in combination.
[0019]
The preferable range of the concentration of the organic phosphine compound or hindered phenol compound in the primer solution is as follows. A preferable concentration of the organic phosphine compound is 0.01 to 20% by weight, and more preferably 0.05 to 10 parts by weight. And the preferable density | concentration of a hindered phenol type compound is 0.0001 to 10 weight%, More preferably, it is 0.0005 to 5 weight%. This is because, when the primer solution having the above concentration is applied, each compound of the active ingredient forms a thin film having a preferable thickness on the adherend, and exhibits the effect as a primer most.
[0020]
To the primer of the present invention, a phosphite compound, an amine compound or an organometallic compound which itself has a performance as a primer can be added. Furthermore, in order to improve coatability, an organic polymer or a plasticizer that dissolves or disperses in a solvent, or a coloring matter for coloring purposes may be added.
[0021]
In addition, the primer of this invention can also be used together with another primer for 2-cyanoacrylate adhesives.
[0022]
The primer of the present invention is used as a primer for a 2-cyanoacrylate adhesive, and specific examples of 2-cyanoacrylate used as a main component of the 2-cyanoacrylate adhesive include methyl-2-cyano. Acrylate, ethyl-2-cyanoacrylate, propyl-2-cyanoacrylate, isopropyl-2-cyanoacrylate, butyl-2-cyanoacrylate, isobutyl-2-cyanoacrylate, amyl-2-cyanoacrylate, hexyl-2-cyanoacrylate Cyclohexyl-2-cyanoacrylate, octyl-2-cyanoacrylate, 2-ethylhexyl-2-cyanoacrylate, allyl-2-cyanoacrylate, benzyl-2-cyanoacrylate, methoxyethyl-2-cyano Examples include acrylate, ethoxyethyl-2-cyanoacrylate, methoxypropyl-2-cyanoacrylate, and tetrahydrofurfuryl-2-cyanoacrylate. 2-cyanoacrylate is not limited to one type, and two or more types may be used in combination. it can.
[0023]
In addition to the 2-cyanoacrylate, the 2-cyanoacrylate adhesive may include a curing accelerator, an adhesion improver, an anionic polymerization inhibitor, a radical polymerization inhibitor, a thickener, an elastomer, a rocking agent, if necessary. Various additives such as modifiers, colorants, plasticizers, heat stabilizers, softeners, fillers, fragrances, dyes, pigments or solvents can be added.
[0024]
[Action]
Although the reason why the primer of the present invention has the feature that it can take an extremely long open time is not clear, the organic phosphine compound exhibits adhesiveness to a nonpolar substrate, and the hindered phenol compound is an organic compound. This is presumably because the adhesion performance of the primer active ingredient film formed on the surface of the adherend can be stabilized without reducing the performance of the phosphine compound.
[0025]
【Example】
Hereinafter, the present invention will be described in more detail with reference to examples.
[0026]
The test was performed according to JIS K6861. However, the test piece is 25 mm wide, 100 mm long, 3 mm thick polyethylene and 2 mm polypropylene, and the adhesive is Aron Alpha # 201 (Ethyl-2-cyanoacrylate adhesive) manufactured by Toagosei Co., Ltd. Agent).
[0027]
(Set time test method)
A primer is applied to two test pieces, dried for a predetermined time, a 2-cyanoacrylate composition is applied to the primer application of one test piece, and then applied to the primer application of the other test piece. The time required for the test piece to be removed by pulling the test piece lightly by hand in the major axis direction was measured with a stopwatch.
[0028]
(Tensile shear bond strength test method)
After the primer is applied to two test pieces and dried for a predetermined time, the 2-cyanoacrylate composition is applied to the primer application of one test piece, and then the primer is applied to the other test piece. After bonding and crimping and curing for one day, measurement was carried out under a predetermined load.
[0029]
Examples 1-13, Comparative Examples 1-4
As shown in Table 1, triphenylphosphine and various hindered phenol compounds were dissolved in dissolved ethanol to prepare a primer, and various tests were performed on the polypropylene adherend.
[0030]
[Table 1]
[0031]
As is clear from Table 1, the primer to which triphenylphosphine and various hindered phenolic compounds were added was a primer to which only phosphine was added as in Comparative Examples 1 and 2 or a hindered phenolic system as in Comparative Example 3. It can be seen that the open time is improved in terms of strength and set time compared to the case where only the compound is added. Moreover, as shown in Comparative Example 4, the primer of the present invention can obtain a favorable open time even when compared with the case where an amine compound that has been considered to have a long open time is added.
[0032]
Examples 14-18, Comparative Examples 5-9
As shown in Table 2, primers were prepared by dissolving various organic phosphine compounds and various hindered phenolic compounds in various solvents, and various tests were conducted on polypropylene substrates.
[0033]
[Table 2]
[0034]
As is clear from Table 2, the primer to which various organic phosphine compounds and hindered phenol compounds were added was hindered as in Comparative Examples 5 to 8 or only in which an organic phosphine compound was added. It can be seen that the open time is improved in terms of strength and set time compared to the case where only the phenolic compound is added.
[0035]
Examples 19-21, Comparative Examples 10-12
As shown in Table 3, a primer was prepared by dissolving triphenylphosphine and various hindered phenol compounds in ethanol, and an adhesive strength test was performed on the polyethylene adherend.
[0036]
[Table 3]
[0037]
As is clear from Table 3, the primer added with the phosphine compound and the hindered phenol compound was also added to the polyethylene as in Comparative Example 10 or as the hindered as in Comparative Example 11. It can be seen that the open time is improved as compared with the case where only the phenolic compound is added. In addition, a good open time can be obtained even when compared with the compound shown in Comparative Example 12 to which an amine compound that has been thought to have a long open time has been added.
[0038]
【The invention's effect】
When the primer for 2-cyanoacrylate adhesive of the present invention is used, adhesion of a non-polar substrate using 2-cyanoacrylate adhesive not only greatly improves the adhesive force, but also opens after application. Good adhesion can be achieved even if the time is extremely long. Therefore, since it is possible to adjust the time until bonding in accordance with the production line, the 2-cyanoacrylate adhesive can be widely used in a wider range of applications than in the past, both for industrial use and general household use. can do.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001022348A JP3775224B2 (en) | 2001-01-30 | 2001-01-30 | Primer for 2-cyanoacrylate adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001022348A JP3775224B2 (en) | 2001-01-30 | 2001-01-30 | Primer for 2-cyanoacrylate adhesive |
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| Publication Number | Publication Date |
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| JP2002226781A JP2002226781A (en) | 2002-08-14 |
| JP3775224B2 true JP3775224B2 (en) | 2006-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2001022348A Expired - Lifetime JP3775224B2 (en) | 2001-01-30 | 2001-01-30 | Primer for 2-cyanoacrylate adhesive |
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| JP (1) | JP3775224B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101160330B (en) * | 2005-05-30 | 2011-07-27 | 东亚合成株式会社 | 2-Cyanoacrylate Compositions |
| JP7544646B2 (en) * | 2021-03-29 | 2024-09-03 | 三菱電線工業株式会社 | Sealing material and its manufacturing method |
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