CN106433523A - Adhesive composition, adhesive, adhesive sheet, and display body - Google Patents
Adhesive composition, adhesive, adhesive sheet, and display body Download PDFInfo
- Publication number
- CN106433523A CN106433523A CN201610648785.2A CN201610648785A CN106433523A CN 106433523 A CN106433523 A CN 106433523A CN 201610648785 A CN201610648785 A CN 201610648785A CN 106433523 A CN106433523 A CN 106433523A
- Authority
- CN
- China
- Prior art keywords
- methyl
- display body
- cohesiveness
- agent layer
- adhering agent
- 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.)
- Granted
Links
- 239000000853 adhesive Substances 0.000 title claims abstract description 59
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 59
- 239000000203 mixture Substances 0.000 title abstract description 20
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 65
- 239000000178 monomer Substances 0.000 claims abstract description 64
- -1 cyclic oligosaccharide Chemical class 0.000 claims abstract description 61
- 238000006243 chemical reaction Methods 0.000 claims abstract description 48
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 48
- 239000012948 isocyanate Substances 0.000 claims abstract description 33
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 31
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 30
- 229920001542 oligosaccharide Polymers 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 86
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 72
- 150000001875 compounds Chemical class 0.000 claims description 60
- 229920000642 polymer Polymers 0.000 claims description 25
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 24
- 238000010030 laminating Methods 0.000 claims description 14
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000470 constituent Substances 0.000 claims description 10
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- 238000005187 foaming Methods 0.000 abstract description 5
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 abstract 1
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 105
- 239000010408 film Substances 0.000 description 70
- 150000002148 esters Chemical class 0.000 description 33
- CERQOIWHTDAKMF-UHFFFAOYSA-N alpha-methacrylic acid Natural products CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 29
- 238000000576 coating method Methods 0.000 description 21
- 239000011247 coating layer Substances 0.000 description 20
- 239000011248 coating agent Substances 0.000 description 19
- 238000007639 printing Methods 0.000 description 17
- 239000010409 thin film Substances 0.000 description 17
- 229910052799 carbon Inorganic materials 0.000 description 16
- 239000011521 glass Substances 0.000 description 15
- 239000000126 substance Substances 0.000 description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 14
- 238000000034 method Methods 0.000 description 14
- 238000012423 maintenance Methods 0.000 description 12
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 11
- 125000005250 alkyl acrylate group Chemical group 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- 229920003023 plastic Polymers 0.000 description 11
- 239000004033 plastic Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 10
- 238000004132 cross linking Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 125000000217 alkyl group Chemical group 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 8
- 239000007800 oxidant agent Substances 0.000 description 8
- 230000001590 oxidative effect Effects 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 7
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 7
- 238000005227 gel permeation chromatography Methods 0.000 description 7
- 125000004433 nitrogen atom Chemical group N* 0.000 description 7
- 229910000077 silane Inorganic materials 0.000 description 7
- PSGCQDPCAWOCSH-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl) prop-2-enoate Chemical compound C1CC2(C)C(OC(=O)C=C)CC1C2(C)C PSGCQDPCAWOCSH-UHFFFAOYSA-N 0.000 description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009257 reactivity Effects 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 241000894007 species Species 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 125000000524 functional group Chemical group 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 241001274660 Modulus Species 0.000 description 4
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000000976 ink Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000005056 polyisocyanate Substances 0.000 description 4
- 229920001296 polysiloxane Chemical class 0.000 description 4
- 150000003377 silicon compounds Chemical class 0.000 description 4
- 239000005361 soda-lime glass Substances 0.000 description 4
- 229920001450 Alpha-Cyclodextrin Polymers 0.000 description 3
- 229920000858 Cyclodextrin Polymers 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- ASHSBZCETQXFPA-UHFFFAOYSA-N adamantane;2-methylprop-2-enoic acid Chemical class CC(=C)C(O)=O.C1C(C2)CC3CC1CC2C3 ASHSBZCETQXFPA-UHFFFAOYSA-N 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- HFHDHCJBZVLPGP-RWMJIURBSA-N alpha-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO HFHDHCJBZVLPGP-RWMJIURBSA-N 0.000 description 3
- 229940043377 alpha-cyclodextrin Drugs 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- IAQRGUVFOMOMEM-UHFFFAOYSA-N but-2-ene Chemical group CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 230000009477 glass transition Effects 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- LGRLWUINFJPLSH-UHFFFAOYSA-N methanide Chemical compound [CH3-] LGRLWUINFJPLSH-UHFFFAOYSA-N 0.000 description 3
- 238000010943 off-gassing Methods 0.000 description 3
- 229920001228 polyisocyanate Polymers 0.000 description 3
- 239000000344 soap Substances 0.000 description 3
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 2
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 2
- XLPJNCYCZORXHG-UHFFFAOYSA-N 1-morpholin-4-ylprop-2-en-1-one Chemical compound C=CC(=O)N1CCOCC1 XLPJNCYCZORXHG-UHFFFAOYSA-N 0.000 description 2
- KANZWHBYRHQMKZ-UHFFFAOYSA-N 2-ethenylpyrazine Chemical compound C=CC1=CN=CC=N1 KANZWHBYRHQMKZ-UHFFFAOYSA-N 0.000 description 2
- RZBBHEJLECUBJT-UHFFFAOYSA-N 6-methylheptyl 2-sulfanylacetate Chemical class CC(C)CCCCCOC(=O)CS RZBBHEJLECUBJT-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- UERJQTYBDRVAGB-UHFFFAOYSA-N CN1C(COCC1)C(C=C)=O Chemical compound CN1C(COCC1)C(C=C)=O UERJQTYBDRVAGB-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 125000005073 adamantyl group Chemical group C12(CC3CC(CC(C1)C3)C2)* 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 239000005388 borosilicate glass Substances 0.000 description 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 2
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 2
- ZQMIGQNCOMNODD-UHFFFAOYSA-N diacetyl peroxide Chemical compound CC(=O)OOC(C)=O ZQMIGQNCOMNODD-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- SBRXLTRZCJVAPH-UHFFFAOYSA-N ethyl(trimethoxy)silane Chemical compound CC[Si](OC)(OC)OC SBRXLTRZCJVAPH-UHFFFAOYSA-N 0.000 description 2
- 239000003205 fragrance Substances 0.000 description 2
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 2
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 description 2
- 230000003295 lusitropic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- QENDLNJWYIFMIM-UHFFFAOYSA-N n-[3-(dimethylamino)propyl]-n-methylprop-2-enamide Chemical compound CN(C)CCCN(C)C(=O)C=C QENDLNJWYIFMIM-UHFFFAOYSA-N 0.000 description 2
- YPHQUSNPXDGUHL-UHFFFAOYSA-N n-methylprop-2-enamide Chemical compound CNC(=O)C=C YPHQUSNPXDGUHL-UHFFFAOYSA-N 0.000 description 2
- 150000001451 organic peroxides Chemical class 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- XNLICIUVMPYHGG-UHFFFAOYSA-N pentan-2-one Chemical compound CCCC(C)=O XNLICIUVMPYHGG-UHFFFAOYSA-N 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 239000003505 polymerization initiator Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- PZJJKWKADRNWSW-UHFFFAOYSA-N trimethoxysilicon Chemical compound CO[Si](OC)OC PZJJKWKADRNWSW-UHFFFAOYSA-N 0.000 description 2
- 229920006305 unsaturated polyester Polymers 0.000 description 2
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 2
- HGXJDMCMYLEZMJ-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy 2,2-dimethylpropaneperoxoate Chemical compound CC(C)(C)OOOC(=O)C(C)(C)C HGXJDMCMYLEZMJ-UHFFFAOYSA-N 0.000 description 1
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 1
- WBYWAXJHAXSJNI-VOTSOKGWSA-M .beta-Phenylacrylic acid Natural products [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 description 1
- GNEPLYVYORHREW-UHFFFAOYSA-N 1,1,3,3,6-pentamethyl-7-nitro-2h-inden-5-amine Chemical compound CC1=C(N)C=C2C(C)(C)CC(C)(C)C2=C1[N+]([O-])=O GNEPLYVYORHREW-UHFFFAOYSA-N 0.000 description 1
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical class CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
- BEQKKZICTDFVMG-UHFFFAOYSA-N 1,2,3,4,6-pentaoxepane-5,7-dione Chemical compound O=C1OOOOC(=O)O1 BEQKKZICTDFVMG-UHFFFAOYSA-N 0.000 description 1
- WDCYWAQPCXBPJA-UHFFFAOYSA-N 1,3-dinitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC([N+]([O-])=O)=C1 WDCYWAQPCXBPJA-UHFFFAOYSA-N 0.000 description 1
- WGORBSXSXNHTMK-UHFFFAOYSA-N 1-(1-methylaziridin-2-yl)prop-2-en-1-one Chemical compound C=CC(=O)C1N(C)C1 WGORBSXSXNHTMK-UHFFFAOYSA-N 0.000 description 1
- MZVABYGYVXBZDP-UHFFFAOYSA-N 1-adamantyl 2-methylprop-2-enoate Chemical compound C1C(C2)CC3CC2CC1(OC(=O)C(=C)C)C3 MZVABYGYVXBZDP-UHFFFAOYSA-N 0.000 description 1
- OSSNTDFYBPYIEC-UHFFFAOYSA-N 1-ethenylimidazole Chemical compound C=CN1C=CN=C1 OSSNTDFYBPYIEC-UHFFFAOYSA-N 0.000 description 1
- AXIQRVDDEWLLDS-UHFFFAOYSA-N 1-methyl-3-prop-2-enoylpyrrolidin-2-one Chemical compound CN1CCC(C(=O)C=C)C1=O AXIQRVDDEWLLDS-UHFFFAOYSA-N 0.000 description 1
- ZEMPKEQAKRGZGQ-AAKVHIHISA-N 2,3-bis[[(z)-12-hydroxyoctadec-9-enoyl]oxy]propyl (z)-12-hydroxyoctadec-9-enoate Chemical compound CCCCCCC(O)C\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CC(O)CCCCCC)COC(=O)CCCCCCC\C=C/CC(O)CCCCCC ZEMPKEQAKRGZGQ-AAKVHIHISA-N 0.000 description 1
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- OBETXYAYXDNJHR-UHFFFAOYSA-N 2-Ethylhexanoic acid Chemical compound CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 description 1
- IGDLZDCWMRPMGL-UHFFFAOYSA-N 2-ethenylisoindole-1,3-dione Chemical compound C1=CC=C2C(=O)N(C=C)C(=O)C2=C1 IGDLZDCWMRPMGL-UHFFFAOYSA-N 0.000 description 1
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- RCEJCSULJQNRQQ-UHFFFAOYSA-N 2-methylbutanenitrile Chemical compound CCC(C)C#N RCEJCSULJQNRQQ-UHFFFAOYSA-N 0.000 description 1
- VZWVGKMFDSHJRZ-UHFFFAOYSA-N 2-methylprop-2-enoic acid octadecane Chemical compound CCCCCCCCCCCCCCCCCC.C(C(=C)C)(=O)O VZWVGKMFDSHJRZ-UHFFFAOYSA-N 0.000 description 1
- KGIGUEBEKRSTEW-UHFFFAOYSA-N 2-vinylpyridine Chemical compound C=CC1=CC=CC=N1 KGIGUEBEKRSTEW-UHFFFAOYSA-N 0.000 description 1
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- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical class OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 description 1
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 description 1
- KJAMZCVTJDTESW-UHFFFAOYSA-N tiracizine Chemical compound C1CC2=CC=CC=C2N(C(=O)CN(C)C)C2=CC(NC(=O)OCC)=CC=C21 KJAMZCVTJDTESW-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical group O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
-
- 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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- 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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/062—Copolymers with monomers not covered by C09J133/06
- C09J133/066—Copolymers with monomers not covered by C09J133/06 containing -OH groups
-
- 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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/10—Homopolymers or copolymers of methacrylic acid esters
-
- 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
- C09J7/00—Adhesives in the form of films or foils
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
-
- 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
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/318—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of liquid crystal displays
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2202/00—Materials and properties
- G02F2202/28—Adhesive materials or arrangements
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides an adhesive composition, an adhesive, an adhesive sheet, and a display body. The adhesive composition has an excellent performance on preventing foaming. The adhesive composition comprises (meth)acrylate polymer (A), which comprises a monomer unit composed of hydroxyl monomers; polyrotaxane (B), which comprises hydroxyl taken as the reactive groups and cyclic oligosaccharide as the cyclic molecules; an isocyanate crosslinking agent (C); and a reaction promoter (D), which promotes the carbamate reactions.
Description
Technical field
The present invention relates to a kind of be suitable to fit the cohesiveness compositionss of display body component parts, sticker and adhesive sheet, with
And the display body obtained from adhering agent layer using this adhesive sheet.
Background technology
In recent years, the various mobile electronic device such as smart mobile phone or panel computer possesses the display employing display body module
Device, this display becomes touch panel mostly, and described display body module has liquid crystal cell, light emitting diode (LED element), has
Organic electro luminescent (organic EL) element etc..
In display described above, generally the face side in display body module is provided with protection panels.Set with electronics
Standby slimming, lightweight, above-mentioned protection panels are changed to the plastics such as acrylic panel and polycarbonate plate from conventional glass plate
Plate.
Here, being provided with space between protection panels and display body module, in order to avoid when protection panels deform because of external force,
The protection panels of deformation are collided with display body module.
If however, there is space as above namely air layer, by the refractivity of protection panels and air layer, with
And air layer is increased with the reflection loss of the light caused by refractivity of display body module, there is the image quality decline of display
Problem.
Therefore, it is proposed to improve aobvious by using the space that adhering agent layer fills between protection panels and display body module
Show the image quality of device.But, in the display body module side of protection panels, border shape printing layer exists as segment difference sometimes.If viscous
Oxidant layer and do not follow this segment difference, then, near segment difference, adhering agent layer floats, thus produce the reflection loss of light.Therefore, to above-mentioned
Adhering agent layer requires segment difference tracing ability.
In order to solve above-mentioned problem, in patent documentation 1, as the space between landfill protection panels and display body module
Adhering agent layer, disclosing the storage shear moduluss (G ') under 25 DEG C, 1Hz is 1.0 × 105Below Pa and gel fraction are 40%
Above adhering agent layer.
Prior art literature
Patent documentation
Patent documentation 1：Japanese Unexamined Patent Publication 2010-097070 publication
Content of the invention
The technical problem to be solved in the present invention
In patent documentation 1, it is intended to improve segment difference tracing ability by reducing the storage moduluss in room temperature for the adhering agent layer.However,
If reducing storage moduluss during room temperature as described above, storage moduluss during high temperature excessively reduce, and produce under the conditions of durable
Problem.For example, when imposing hot and humid condition, produce bubble near segment difference, or occur from the plastic plate as protection panels
Outgassing (outgas) and produce bubble, the foaming phenomena such as float, peel off.On the other hand, if making to improve blister resistance to glue
Oxidant layer hardening, then segment difference tracing ability declines.
The present invention is in view of above-mentioned practical situation and the invention that completes, its object is to provide a kind of segment difference tracing ability and anti-
The all excellent cohesiveness compositionss of foaming characteristic two aspect, sticker, adhesive sheet and display body.
Solve the technological means of technical problem
To achieve these goals, first, the present invention provides a kind of cohesiveness compositionss it is characterised in that containing：(first
Base) acrylate polymer (A), comprise hydroxyl monomer as the monomeric unit constituting polymer,；Polyrotaxane compound (B),
Have containing hydroxyl as reactive base cyclic oligosaccharide as ring molecule；Isocyanates cross-linking agent (C)；And reaction promotees
Enter agent (D), promote urethane reaction (invention 1).
If making, the cohesiveness compositionss of foregoing invention (invention 1) are crosslinked, and (methyl) acrylate polymer (A) is derived from
The hydroxyl of cyclic oligosaccharide of the hydroxyl of hydroxyl monomer and polyrotaxane compound (B) is different with isocyanates cross-linking agent (C)
Cyanic acid ester group reacts well, can estimate formation multiple (methyl) acrylate polymer (A) and pass through polyrotaxane compound (B) phase
The higher-dimension structures such as the tridimensional network being mutually mechanically combined into.And, the urethane due to reaction promoter (D)
Reaction facilitation, positively and with high density forms above-mentioned higher-dimension structure.Played high by the sticker that this higher-dimension structure obtains
Stress relaxation, segment difference tracing ability is excellent, and cohesiveness uprises, and blister resistance is also excellent.
In foregoing invention (invention 1), preferably with respect to described (methyl) acrylate polymer (A) 100 mass parts, described
The amount of the described polyrotaxane compound (B) in cohesiveness compositionss is the (invention of below more than 0.5 mass parts and 20 mass parts
2).
In foregoing invention (invention 1,2), preferably with respect to described (methyl) acrylate polymer (A) 100 mass parts, institute
The amount stating the described reaction promoter (D) in cohesiveness compositionss is that below more than 0.01 mass parts and 1.5 mass parts (are sent out
Bright 3).
In foregoing invention (invention 1～3), preferably described (methyl) acrylate polymer (A) contain more than 3 mass % and
Described hydroxyl monomer below 30 mass % is as the monomeric unit (invention 4) constituting this polymer.
Second, the present invention provides a kind of sticker, and its crosslinked described cohesiveness compositions (invention 1～4) forms (invention
5).
In foregoing invention (invention 5), preferably gel fraction is more than 30% and less than 90% (invention 6).
3rd, the present invention provides a kind of adhesive sheet, and it has adhering agent layer, and this adhering agent layer is used for laminating at least in laminating
One display body component parts of segment difference and another display body component parts are had on the face of side it is characterised in that described viscous
Oxidant layer and (invention 7) is constituted by described sticker (invention 5,6).
In foregoing invention (invention 7), it is more than 20% (invention 8) that the segment difference of preferably described adhering agent layer follows rate.
In foregoing invention (invention 7,8), preferably described adhesive sheet possesses two panels stripping film, described adhering agent layer with described
The mode of the release surface contact of two panels stripping film (invention 9) clamped by described stripping film.
4th, the present invention provides a kind of display body, and it possesses：One display of segment difference is at least had on the face of laminating side
Body component parts；Another display body component parts；And by one display body component parts and another display body described
Component parts adhering agent layer bonded to each other is it is characterised in that described adhering agent layer is the viscous of described adhesive sheet (invention 7～9)
Oxidant layer (invention 10).
Invention effect
The cohesiveness compositionss of the present invention, sticker, adhesive sheet and display body segment difference tracing ability and blister resistance this two
Aspect is excellent.
Brief description
Fig. 1 is the sectional view of the adhesive sheet of one embodiment of the present invention.
Fig. 2 is the sectional view of the duplexer of one embodiment of the present invention.
Description of reference numerals
1：Adhesive sheet；11：Adhering agent layer；12a、12b：Stripping film；2：Display body；21：First display body component parts；
22：Second display body component parts；3：Printing layer
Specific embodiment
Hereinafter, embodiments of the present invention are illustrated.
(cohesiveness compositionss)
The cohesiveness compositionss (below, sometimes referred to as " cohesiveness compositionss P ") of present embodiment contain：(methyl) propylene
Acid ester polymer (A), comprises hydroxyl monomer as the monomeric unit constituting polymer,；Polyrotaxane compound (B), has and contains
There is the cyclic oligosaccharide as reactive base for the hydroxyl as ring molecule；Isocyanates cross-linking agent (C)；And reaction promoter
(D), promote urethane reaction.In addition, in this specification, (methyl) acrylic acid represent acrylic acid and methacrylic acid this
Both.Other similar terms are also identical.And, also comprise the concept of " copolymer " in " polymer ".
If make present embodiment cohesiveness compositionss P crosslinked, the NCO of isocyanates cross-linking agent (C) with
The hydroxyl reaction from hydroxyl monomer of (methyl) acrylate polymer (A), and isocyanates cross-linking agent (C) is different
The hydroxyl reaction of the ring molecule that cyanic acid ester group and polyrotaxane compound (B) have.Thus it is inferred as (methyl) acrylate
Polymer (A) is combined with a ring molecule of polyrotaxane compound (B) via isocyanates cross-linking agent (C) by hydroxyl,
Similarly, other (methyl) acrylate polymers (A) are combined with other ring molecules of this polyrotaxane compound (B).Here,
The mechanical bond that polyrotaxane compound (B) has ring molecule with the straight-chain molecule running through this ring molecule, ring molecule energy
Enough move freely in straight-chain molecule.As a result, inferring that multiple (methyl) acrylate polymer (A) is formed to pass through polyrotaxane
The higher-dimension structures such as the tridimensional network that compound (B) mutually mechanically combines.By this higher-dimension structure, obtained sticker
Play heavily stressed lusitropic and segment difference tracing ability is excellent.For example, the adhesion being obtained using cohesiveness compositionss P of present embodiment
When being attached on the display body component parts with segment difference, adhering agent layer easily follows segment difference to piece, and suppression produces near segment difference
Gap, float.Even and if, with this state under the conditions of hot and humid, such as placing 72 under the conditions of 85 DEG C, 85%RH little
In the case of, also can suppress to produce bubble near segment difference, float, peel off.
And if, make present embodiment cohesiveness compositionss P crosslinked, by the carbamic acid of reaction promoter (D)
Esterification facilitation, the hydroxyl from hydroxyl monomer of (methyl) acrylate polymer (A) and polyrotaxane compound
(B) hydroxyl of cyclic oligosaccharide is reacted well with the NCO of isocyanates cross-linking agent (C), positively and with height
Density forms above-mentioned higher-dimension structure.Thus, obtained sticker maintains excellent stress relaxation and cohesiveness uprises, resists
Bubble property is excellent.For example, the display being obtained using cohesiveness compositionss P of present embodiment be placed on hot and humid under the conditions of
(for example, 85 DEG C, 85%RH) and when there is outgassing in the display body component parts that are made up of plastic plate etc., also can suppress in adhesion
Interface between oxidant layer and display body component parts produces bubble, the foaming phenomena such as floats, peels off.
In addition, obtained sticker need not all above-mentioned deduction structures, also can comprise two (methyl) acrylate
Polymer (A) not via polyrotaxane compound (B) but by isocyanates cross-linking agent (C) directly in conjunction with structure etc..
(1) (methyl) acrylate polymer (A)
In (methyl) acrylate polymer (A) of present embodiment, as the monomeric unit constituting this polymer, comprise
Hydroxyl monomer.
As hydroxyl monomer, for example, can enumerate (methyl) acrylic acid 2- hydroxy methacrylate, (methyl) acrylic acid 2- hydroxyl
Propyl ester, (methyl) acrylic acid 3- hydroxy propyl ester, (methyl) acrylic acid 2- hydroxybutyl, (methyl) acrylic acid 3- hydroxybutyl, (first
Base) (methyl) hydroxyalkyl acrylates such as acrylic acid 4- hydroxybutyl etc..Wherein, gather from obtained (methyl) acrylate
The reactivity of the hydroxyl in compound (A) and isocyanates cross-linking agent (C) and with the copolymerizable of other monomers from the point of view of, excellent
Elect (methyl) acrylic acid 2- hydroxy methacrylate or (methyl) acrylic acid 4- hydroxybutyl as.Above-mentioned substance can be used alone, and also may be used
To be used in combination.
Preferably (methyl) acrylate polymer (A) comprises the hydroxyl monomer of more than 3 mass % as this polymerization of composition
The monomeric unit of thing, particularly preferably contains more than 5 mass %, more than further preferably 10 mass %.If hydroxyl monomer
Content be 3 mass % more than, then obtained sticker cohesiveness improve, therefore blister resistance and hot and humid under the conditions of
Segment difference tracing ability more excellent.And, containing the hydroxyl below 30 mass % in preferred (methyl) acrylate polymer (A)
Monomer, as the monomeric unit constituting this polymer, particularly preferably contains below 25 mass %, further preferably 20 matter
Amount below %.If the content of hydroxyl monomer is below 30 mass %, be easy to get suitable cohesiveness, and suppresses sticker
Become really up to the mark, segment difference tracing ability is more excellent.
In (methyl) acrylate polymer (A), as the monomeric unit constituting this polymer, the carbon number containing alkyl is
1～20 (methyl) alkyl acrylate, therefore, it is possible to assume preferable cohesiveness.From the point of view of this viewpoint, preferably (methyl) third
In olefine acid ester polymer (A), the carbon number containing alkyl more than 50 mass % is 1～20 (methyl) alkyl acrylate conduct
Constitute the monomeric unit of this polymer, particularly preferably contain more than 60 mass %, more than further preferably 70 mass %.If
Containing (methyl) alkyl acrylate described in more than 50 mass %, then (methyl) acrylate polymer (A) can play suitable
When cohesiveness.And, the carbon number containing the alkyl below 97 mass % is 1 in preferred (methyl) acrylate polymer (A)
～20 (methyl) alkyl acrylate, as the monomeric unit constituting this polymer, particularly preferably contains below 90 mass %,
Below further preferably 85 mass %.Therefore above-mentioned (methyl) alkyl acrylate is set to below 97 mass %, can
The other monomers composition of appropriate amount is imported in (methyl) acrylate polymer (A).
As alkyl carbon number be 1～20 (methyl) alkyl acrylate, for example can enumerate (methyl) acrylic acid methyl ester.,
(methyl) ethyl acrylate, (methyl) propyl acrylate, (methyl) n-butyl acrylate, (methyl) acrylic acid n-pentyl ester, (first
Base) the just own ester of acrylic acid, (methyl) 2-EHA, (methyl) Isooctyl acrylate monomer, the positive last of the ten Heavenly stems ester of (methyl) acrylic acid,
(methyl) acrylic acid n-dodecane base ester, (methyl) n-myristyl base ester, (methyl) acrylic acid hexadecane base ester,
(methyl) acrylic acid n-octadecane base ester, (methyl) cyclohexyl acrylate, (methyl) isobornyl acrylate, (methyl) acrylic acid
Adamantane esters etc., wherein, from the point of view of improving cohesiveness further, the carbon number preferably comprising alkyl is 1～8 (first
Base) acrylate.They may be used alone, can also be used in combination two or more.
And, (methyl) alkyl acrylate being 1～20 as the carbon number of alkyl, preferred compositions are used as homopolymer
The monomer (hard monomer) more than 0 DEG C for the glass transition temperature (Tg) and be 0 as the glass transition temperature (Tg) of homopolymer
Monomer (soft monomer) below DEG C.This is because, cohesiveness and flexibility are guaranteed by soft monomer, and is improved by hard monomer
Cohesiveness is such that it is able to make blister resistance and segment difference tracing ability more excellent.Now, preferably hard monomer and the mass ratio of soft monomer are
5:95～40:60, particularly preferred 20:80～30:70.
As above-mentioned hard monomer, for example can enumerate acrylic acid methyl ester. (Tg10 DEG C), methyl methacrylate (Tg105 DEG C),
Isobornyl acrylate (Tg94 DEG C), isobornyl methacrylate (Tg180 DEG C), acrylic acid adamantane esters (Tg115 DEG C),
Adamantylmethacrylate (Tg141 DEG C) etc..They may be used singly or in combination of two or more to use.
In above-mentioned hard monomer, from prevent to cohesiveness and the transparency wait other characteristics have undesirable effect and send out further
From the point of view of waving the performance of hard monomer, preferably acrylic acid methyl ester., methyl methacrylate and isobornyl acrylate.If also examining
Consider cohesiveness, then particularly preferred acrylic acid methyl ester. and methyl methacrylate.
The alkyl acrylate preferably enumerating the alkyl with the straight-chain that carbon number is 2～12 or branched is as above-mentioned soft
Monomer.For example preferably enumerate 2-EHA (Tg-70 DEG C), n-butyl acrylate (Tg-54 DEG C) etc..They can be single
Solely using it is also possible to combine two or more using.
And, preferably at least a portion being somebody's turn to do (methyl) alkyl acrylate is set to ester ring type structure as alkyl
Monomer (structures alone containing ester ring type) be used as alkyl carbon number be 1～20 (methyl) alkyl acrylate.Containing ester ring type
The volume of structures alone is larger, is therefore present in polymer by making it, is inferred as expanding polymer interval each other, energy
The flexibility of the sticker obtained by enough making is excellent.Therefore, the segment difference tracing ability of sticker is more excellent.
The carbocyclic ring of the ester ring type structure in structures alone containing ester ring type can be for saturated structures it is also possible to have in a part
Unsaturated bond.And, ester ring type structure can be the multi-ring alicyclic ring such as monocyclic ester ring type structure or bicyclo-, three rings
Formula structure.The mutual distance of (methyl) acrylate polymer (A) obtained by making becomes suitable and sticker is given
From the point of view of more heavily stressed lusitropic, above-mentioned ester ring type structure is preferably multi-ring ester ring type structure (multiring structure).In addition,
If considering the compatibility of (methyl) acrylate polymer (A) and other compositions, above-mentioned multiring structure is particularly preferably bicyclo-
To Fourth Ring.And, as described above from the point of view of giving stress relaxation, the carbon number of ester ring type structure (refers to
Form all carbon numbers of the part of ring, when multiple rings have an independent existence, refer to its total carbon number) generally preferably
For more than 5, particularly preferably more than 7.On the other hand, the upper limit of the carbon number of ester ring type structure is not particularly limited, with
Above-mentioned similarly from the point of view of the compatibility, preferably less than 15, particularly preferably less than 10.
As above-mentioned structures alone containing ester ring type, specifically, (methyl) acrylate base, (methyl) propylene can be enumerated
Sour bicyclopentyl ester, (methyl) acrylic acid adamantane esters, (methyl) isobornyl acrylate, (methyl) acrylic acid dicyclopentenyl
Ester, (methyl) acrylic acid dicyclopentenyl epoxide ethyl ester (dicyclopentenyloxyethyl (meth) acrylate) etc., its
In, under wet heat condition, preferably play (methyl) acrylic acid bicyclopentyl ester (ester ring type knot of more excellent segment difference tracing ability
The carbon number of structure：10), (methyl) acrylic acid adamantane esters (carbon number of ester ring type structure：10) or (methyl) propylene
Sour isobornyl thiocyanoacetate (the carbon number of ester ring type structure：7), particularly preferably (methyl) isobornyl acrylate.Above-mentioned substance can
To be used alone it is also possible to be used in combination.
When containing structures alone containing ester ring type as structures alone unit in (methyl) acrylate polymer (A), preferably
The carbon number of alkyl is the ratio containing ester ring type structures alone of 1～20 (methyl) alkyl acrylate is more than 1 mass %, special
More than not preferably 5 mass %, more than further preferred 10 mass %.And, the ratio that preferably this contains ester ring type structures alone is
Below 50 mass %, below particularly preferred 40 mass %, below further preferred 30 mass %.If containing ester ring type structures alone
Within the above range, then the segment difference tracing ability of obtained sticker is more excellent, and can give full play to for transparent for content
Conducting film and the excellent adhesion strength of plastics.
And preferred (methyl) acrylate polymer (A) is containing nitrogen atom monomer as the monomer constituting this polymer
Unit.Due to making nitrogen atom monomer be present in polymer such that it is able to give regulation to sticker as construction unit
Polarity, even for the to-be-adhered object as glass with a certain degree of polarity, affinity is also excellent.As above-mentioned nitrogenous
Atom monomer, can enumerate and have the monomer of amino, have the monomer of amide groups and have nitrogenous heterocyclic monomer etc., wherein, excellent
Choosing has nitrogenous heterocyclic monomer.
As having nitrogenous heterocyclic monomer, for example, can enumerate N- (methyl) acryloyl morpholine, N- vinyl -2- pyrroles
Alkanone, N- (methyl) acryloyl ketopyrrolidine, N- (methyl) Antiepilepsirin, N- (methyl) acryloyl Pyrrolizidine, N- (methyl)
Acryloyl aziridine, (methyl) acrylic acid '-aziridino ethyl ester, 2- vinylpyridine, 4-vinylpridine, 2- vinylpyrazine,
1- vinyl imidazole, N- VCz, N- vinyl phthalimide etc., wherein, preferably play more excellent
N- (methyl) acryloyl morpholine of adhesion strength, particularly preferably N- acryloyl morpholine.
In addition, as nitrogen atom monomer, such as (methyl) acrylamide, N- methyl (methyl) acryloyl can also be used
Amine, N- methylol (methyl) acrylamide, the N- tert-butyl group (methyl) acrylamide, N, N- dimethyl (methyl) acrylamide, N,
N- ethyl (methyl) acrylamide, N, N- dimethylaminopropyl (methyl) acrylamide, N- isopropyl (methyl) acrylamide,
N- phenyl (methyl) acrylamide, dimethylaminopropyl (methyl) acrylamide, N- caprolactam, (methyl) propylene
Sour monomethylaminoethylester, (methyl) acrylic acid list ethylamino ethyl ester, (methyl) acrylic acid mono-methyl amino propyl ester, (methyl)
Acrylic acid list ethylamino propyl ester, (methyl) acrylate etc..
Above nitrogen atom monomer can be used alone one kind it is also possible to be applied in combination two or more.
Preferably (methyl) acrylate polymer (A) is somebody's turn to do as constituting containing nitrogen atom monomer more than 0.5 mass %
The monomeric unit of polymer, particularly preferably contains more than 1 mass %, more than further preferably 3 mass %.And, preferably
(methyl) acrylate polymer (A) is containing the nitrogen atom monomer below 20 mass % as the monomer list constituting this polymer
Unit, particularly preferably contains below 15 mass %, below further preferably 8 mass %.If the content of nitrogen atom monomer exists
In above range, then obtained sticker can give full play to the excellent adhesion strength for glass.
(methyl) acrylate polymer (A) can according to need containing other monomers as constitute this polymer monomer list
Unit.As other monomers, not comprise can tool for comprising there is the reactive monomer of functional group's (except hydroxyl) or
There is the monomer of the functional group of reactivity.
As the monomer comprising the functional group with reactivity, preferably enumerate carboxyl group-containing monomer.As carboxyl group-containing monomer, example
As the ethylenically unsaturated carboxylic acids such as acrylic acid, methacrylic acid .beta.-methylacrylic acid, maleic acid, itaconic acid, citraconic acid can be enumerated.Wherein, from
Impact to the reaction between the hydroxyl and isocyanates cross-linking agent (C) of hydroxyl monomer and and other monomers between
From the aspect of copolymerizable, preferably acrylic acid.Above-mentioned substance can be used alone it is also possible to be used in combination.
Containing carboxyl group-containing monomer as the monomeric unit constituting this polymer preferably in (methyl) acrylate polymer (A)
When, its content is more than 0.5 mass %, more than particularly preferred 1 mass %.And, preferably this content is below 20 mass %, special
You Xuanwei not be below 10 mass %.
In addition, from the point of view of the cross-linked structure of sticker obtained by be easily controlled, it is also preferred that will comprise to have anti-
The monomer of the functional group of answering property is only set to above-mentioned hydroxyl monomer.
On the other hand, as the monomer not comprising the functional group with reactivity, for example, (methyl) acrylic acid first can be enumerated
(methyl) alkoxyalkyl acrylate, vinyl acetate, the styrene such as epoxide ethyl ester, (methyl) ethoxyethyl acrylate
Deng.Above-mentioned substance can be used alone it is also possible to be used in combination.
The polymeric species of (methyl) acrylate polymer (A) can be random copolymer or block copolymer.
The lower limit of the preferably weight average molecular weight of (methyl) acrylate polymer (A) is more than 200,000, particularly preferred 30
More than ten thousand, further preferred more than 400,000.If the lower limit of the weight average molecular weight of (methyl) acrylate polymer (A) is above-mentioned
More than, then the blister resistance of obtained sticker is more excellent.
And, the higher limit of the weight average molecular weight of preferred (methyl) acrylate polymer (A) is less than 1,000,000, especially
Preferably less than 800,000, further preferred less than 700,000.If the higher limit of the weight average molecular weight of (methyl) acrylate polymer (A)
Below above-mentioned, then the segment difference tracing ability of obtained sticker is more excellent.In addition, the weight average molecular weight in this specification is
The value of the polystyrene standard conversion being measured by gel permeation chromatography (GPC) method.
In addition, in cohesiveness compositionss P, (methyl) acrylate polymer (A) can be used alone one kind it is also possible to
It is applied in combination two or more.
(2) polyrotaxane compound (B)
Polyrotaxane compound (B) is that straight-chain molecule is divided through the peristome of at least two ring molecules and in straight-chain
Two ends of son have the compound of protection group (blocking group).Become in this polyrotaxane compound (B) as
Lower structure, i.e. ring molecule can move freely in straight-chain molecule, ring molecule will not be divided from straight-chain due to protection group
Son abjection.That is, straight-chain molecule and ring molecule be not by chemical bond such as covalent bond, but by so-called machinery knot
Close and maintain its form.Cohesiveness compositionss P of present embodiment contain the polyrotaxane compound (B) with this mechanical bond, if
(methyl) acrylate polymer (A) is handed over via isocyanates cross-linking agent (C) with polyrotaxane compound (B) (ring molecule)
Connection, then, in polyrotaxane compound (B), ring molecule moves freely in straight-chain molecule, thus as the flexibility of crosslinked
Significantly improve.Therefore, obtained sticker plays very high stress relaxation and segment difference tracing ability is excellent.
The polyrotaxane compound (B) of present embodiment has cyclic oligosaccharide as ring molecule.Low by using ring-type
Polysaccharide, as the ring molecule of polyrotaxane compound (B), can select suitable ring footpath, thus, easily assumes ring molecule straight
The effect moving on chain molecule and bringing.And, because above-mentioned cyclic oligosaccharide has hydroxyl as reactive base, then easily
React with isocyanates cross-linking agent (C).And, it is also easy to import various substituent groups etc., thereby, it is possible to by polyrotaxane chemical combination
Thing (B) adjusts the compatibility and other compositions between for the polyrotaxane compound (B).And, if cyclic oligosaccharide, then also have easily
The advantage obtaining.In addition, in this specification, " ring-type " expression of " ring molecule " or " cyclic oligosaccharide " is essentially " ring
Shape ".That is, as long as can move in straight-chain molecule, then ring molecule can not be complete closed loop, for example, can tie for spiral
Structure.
As cyclic oligosaccharide, preferably enumerate the cyclodextrin such as alpha-cyclodextrin, beta-schardinger dextrin-, gamma-cyclodextrin, wherein, special
You Xuanwei not alpha-cyclodextrin.The ring molecule of polyrotaxane compound (B) can be in polyrotaxane compound (B) or cohesiveness compositionss
It is mixed with two or more in P.
The ring molecule (cyclic oligosaccharide) of polyrotaxane compound (B) has hydroxyl as reactive base.This hydroxyl is permissible
The hydroxyl that had using initial condition (refer to modify before state) for cyclic oligosaccharide or be directed into ring-type as substituent group
The hydroxyl of oligosaccharide.
The lower limit of the hydroxyl value of above-mentioned ring molecule is preferably more than 10mgKOH/g, more preferably more than 30mgKOH/g,
Particularly preferably more than 50mgKOH/g.If the lower limit of hydroxyl value is that more than above-mentioned, polyrotaxane compound (B) can be with isocyanide
Esters of gallic acid cross-linking agent (C) fully reacts.And, the higher limit of the hydroxyl value of above-mentioned ring molecule is preferably below 1000mgKOH/g,
More preferably below 200mgKOH/g, particularly preferably below 100mgKOH/g.If the higher limit of hydroxyl value exceedes above-mentioned value, by
Produce multiple crosslinkings in same ring molecule, this ring molecule becomes crosslinking points in itself it is impossible to play as whole polyrotaxane
The effect of the crosslinking points of compound (B), as a result, be possible to guarantee the sufficient stress relaxation of adhering agent layer.
The straight-chain molecule of polyrotaxane compound (B) be inclusion in ring molecule, and can by mechanical bond rather than
The chemical bond such as covalent bond and the molecule of integration or material, as long as being straight-chain, are then not particularly limited.In addition, this theory
In bright book, " straight chain " expression of " straight-chain molecule " is essentially " straight chain ".That is, as long as ring molecule can be in straight-chain molecule
Upper movement, then straight-chain molecule can have side chain.
As the straight-chain molecule of polyrotaxane compound (B), such as preferably Polyethylene Glycol, polypropylene glycol, poly- isoamyl two
Alkene, polyisobutylene, polybutadiene, PolyTHF, polyacrylate, polydimethylsiloxane, polyethylene, polypropylene etc., this
A little straight-chain molecules can be mixed with two or more in cohesiveness compositionss P.
With regard to the number-average molecular weight of the straight-chain molecule of polyrotaxane compound (B), preferred lower limit value is 3, more than 000, special
Not preferably 10, more than 000, further preferred 20, more than 000.If the lower limit of number-average molecular weight is more than above-mentioned, can ensure that
Amount of movement in straight-chain molecule for the ring molecule, can fully obtain the stress relaxation of sticker.And, with regard to polyrotaxane
The number-average molecular weight of the straight-chain molecule of compound (B), preferred upper limit value is 300, less than 000, particularly preferred 200, less than 000,
Further preferred less than 100,000.If the higher limit of number-average molecular weight is above-mentioned following, polyrotaxane compound (B) is for molten
The dissolubility of agent or the compatibility with (methyl) acrylate polymer (A) become good.
Polyrotaxane compound (B) as long as protection group can keep ring molecule pass through straight-chain molecule be in string-like form
Group, then be not particularly limited.As this group, bulky group, ionic group etc. can be enumerated.
Specifically, the protection group of polyrotaxane compound (B) is preferably dinitro benzene base class, cyclodextrin, adamantyl
Class, trityl class, fluoresceins, pyrene class, anthracene class etc. or the high molecular master of number-average molecular weight 1,000～1,000,000
Chain or side chain etc., these protection groups can or be mixed with two or more in polyrotaxane compound (B) in cohesiveness compositionss P.
Polyrotaxane compound (B) described above can be by known method (for example, Japanese Unexamined Patent Publication 2005-
Method described in 154675) obtain.
With regard to the content of the polyrotaxane compound (B) in cohesiveness compositionss P of present embodiment, preferably with respect to (first
Base) acrylate polymer (A) 100 mass parts, lower limit is more than 0.5 mass parts, more than particularly preferred 1 mass parts, enters one
More than step preferably 3 mass parts.If the content of polyrotaxane compound (B) is more than above-mentioned lower limit, it is based on this polyrotaxane chemical combination
The stress relaxation of thing (B) and segment difference tracing ability are more excellent.And, the content with regard to polyrotaxane compound (B), preferably goes up
Limit value is below 20 mass parts, below particularly preferred 15 mass parts, below further preferred 10 mass parts.If polyrotaxane compound
(B) content is below above-mentioned higher limit, then can maintain the compatibility with (methyl) acrylate polymer (A) well,
And the haze value of the sticker obtained by can suppressing.
(3) isocyanates cross-linking agent (C)
The hydroxyl from hydroxyl monomer of isocyanates cross-linking agent (C) and (methyl) acrylate polymer (A) and
Reactivity between ring molecule that polyrotaxane compound (B) has namely the hydroxyl of cyclic oligosaccharide is excellent.
Isocyanates cross-linking agent (C) at least contains polyisocyanate compounds.As polyisocyanate compounds, for example
The fragrance adoption isocyanide such as toluene di-isocyanate(TDI), methyl diphenylene diisocyanate, xylylene diisocyanate can be enumerated
The aliphatic polymeric isocyanates such as acid esters, hexamethylene diisocyanate, isophorone diisocyanate, hydrogenated diphenyl methane two
Ester ring type polyisocyanate such as isocyanates etc. and their biuret body, isocyanuric acid ester body and as with ethylene glycol, third
Glycol, neopentyl glycol, trimethylolpropane, Oleum Ricini etc. contain addition body of reactant of low molecule active dydrogen compounds etc..Its
In, from the point of view of the reactivity with hydroxyl, the preferably modified aromatic poly-isocyanate of trimethylolpropane, especially excellent
Elect trimethylolpropane modified toluene diisocyanate and trimethylolpropane modification xylylene diisocyanate as.In addition,
Isocyanates cross-linking agent (C) can be used alone one kind, also can be combined two or more using.
With regard to the content of the isocyanates cross-linking agent (C) in cohesiveness compositionss P, gather with respect to (methyl) acrylate
Compound (A) 100 mass parts, lower limit is preferably more than 0.05 mass parts, more than particularly preferably 0.1 mass parts, excellent further
Elect more than 0.2 mass parts as.If the lower limit of the content of isocyanates cross-linking agent (C) is that more than above-mentioned, being inferred as can
Form described higher-dimension structure, the obtained blister resistance of sticker and the segment difference tracing ability under hot and humid well
More excellent.And, the content with regard to isocyanates cross-linking agent (C), with respect to (methyl) acrylate polymer (A) 100 matter
Amount part, higher limit is preferably below 3 mass parts, below particularly preferably 2 mass parts, below more preferably 1 mass parts.If
The higher limit of the content of isocyanates cross-linking agent (C) is above-mentioned following, then crosslinking degree can be set to appropriateness, and well
The segment difference tracing ability of the sticker obtained by guaranteeing.
(4) reaction promoter (D)
The reaction promoter (D) of present embodiment is the reaction promoter promoting urethane reaction.That is,
Reaction promoter (D) promotes the hydroxyl from hydroxyl monomer and the polyrotaxane compound of (methyl) acrylate polymer (A)
(B) reaction between the NCO of the hydroxyl of cyclic oligosaccharide and isocyanates cross-linking agent (C), being capable of reliable landform
Become described higher-dimension structure.Therefore, the blister resistance of obtained sticker is especially excellent.
As reaction promoter (D), the compound that for example can enumerate the heavy metals such as stannum, lead, hydrargyrum, bismuth (comprises organic metal
Compound)；The complex of the transition metal such as titanium, ferrum, copper, zirconium, nickel, cobalt, manganese, especially acetylacetonate complex；Amines；
Acid catalysts such as p-methyl benzenesulfonic acid, phosphoric acid, hydrochloric acid, ammonium chloride etc..In these, from the facilitation of urethane reaction
From the point of view of angle, preferably organo-tin compound and amines, particularly preferred organo-tin compound.In addition, crosslinking accelerator (C) can
Be used alone one kind, also can be combined two or more using.
As organo-tin compound, for example, can enumerate the organo-tin compounds such as dimethyltin chloride；Dimethyl tin osmanthus
Sour stannum, stannous methide two (2-ethylhexanoate), stannous methide diacetate esters, dibutyl tin laurate, dihexyl stannum diethyl
The soap of the organo-tin compounds such as acid esters, dioctyl tin cinnamic acid stannum；Double (isooctyl thioglycolate) salt of stannous methide, two
The mercaptoacetate salt of the organo-tin compounds such as double (isooctyl thioglycolate) salt of tin octylate；The metallic soaps such as tin octoate, capric acid stannum
Deng.In above-mentioned, from the perspective of the facilitation of urethane reaction, the soap of preferred organo-tin compound,
Particularly preferably dibutyl tin laurate.
As amines, for example, can enumerate N, N, N ', N ' -4-methyl hexamethylene diamine, triethylamine, imidazoles etc..In above-mentioned, from
From the point of view of the facilitation of urethane reaction, preferably triethylamine.
With regard to the content of the reaction promoter (D) in cohesiveness compositionss P, with respect to (methyl) acrylate polymer
(A) 100 mass parts, preferred lower limit value is more than 0.001 mass parts, more than particularly preferred 0.003 mass parts, further preferably
More than 0.005 mass parts.If the content of reaction promoter (D) is more than above-mentioned lower limit, described height can be formed well
Dimension structure, the blister resistance of obtained sticker is more excellent.And, with regard to this content, preferred upper limit value is 1.0 mass parts
Hereinafter, below particularly preferred 0.5 mass parts, below further preferred 0.3 mass parts.If the content of reaction promoter (D) is upper
State below higher limit, then the cohesiveness of the sticker obtained by can maintaining well.
(5) reaction suppressor
Cohesiveness compositionss P further preferably contain reaction suppressor in addition to mentioned component.In cohesiveness compositionss P, according to
According to the species and content of reaction promoter (D), sometimes begin to composition (A)～(C) in the stage of preservation (stage before heating)
Urethane reaction (cross-linking reaction), but due to containing reaction suppressor, it is possible to increase cohesiveness compositionss P are in room temperature
Under storage stability (working life).
As reaction suppressor, for example can enumerate alkynes (acetylene) class compound, oxime compound, organonitrogen compound,
Organic phosphorus compound, organochlorine compound etc..In these, examine from the angle of the reaction inhibition of urethane reaction
Consider, preferably acetylene compound, particularly preferred acetylacetone,2,4-pentanedione.The dry mistake of the universe generally when forming adhering agent layer for the above-mentioned reaction suppressor
Volatilize in journey.One kind in addition, reaction suppressor can be used alone, also can be combined two or more using.
With regard to the content of the reaction suppressor in cohesiveness compositionss P, with respect to (methyl) acrylate polymer (A)
100 mass parts, more than preferably 0.1 mass parts, more than particularly preferred 0.2 mass parts, more than further preferred 0.5 mass parts.And
And, this content is preferably below 10 mass parts, below particularly preferred 5 mass parts, below further preferred 3 mass parts.Due to anti-
Answer the content of inhibitor within the above range, the storage stability of cohesiveness compositionss P can be effectively improved.
(6) various additives
In cohesiveness compositionss P, can be added as needed on being generally used for the various additives of acrylic compounds sticker, for example
Silane coupler, UV absorbent, antistatic additive, viscosifier, antioxidant, light stabilizer, softening agent, filler, refraction
Rate regulator etc..In addition, polymer solvent described later and retarder thinner are set to the additive not comprising to constitute cohesiveness compositionss P.
If here, cohesiveness compositionss P contain silane coupler, obtained sticker and glass component or plastic plate
Between cohesiveness improve.Therefore, the blister resistance of obtained sticker is more excellent.
As silane coupler, it is the organo-silicon compound in intramolecular with least one alkoxysilane group, preferably
It is good with the compatibility of (methyl) acrylate polymer (A) and has light transmission.
As this silane coupler (D), for example, can enumerate vinyltrimethoxy silane, vinyl triethoxyl silicon
Alkane, methacryloxypropyl trimethoxy silane etc. contain the silicon compound of polymerism unsaturated group, 3- glycidyl ether
Epoxide propyl trimethoxy silicane, 2- (3,4- expoxycyclohexyl) ethyl trimethoxy silane etc. have the silicon of epoxy based structures
Compound, 3-mercaptopropyi trimethoxy silane, 3- Mercaptopropyltriethoxysilane, 3- mercaptopropyi dimethoxy-methyl silicon
Alkane etc. contains the silicon compound of sulfydryl, 3- TSL 8330, N- (2- amino-ethyl) -3- aminopropyl trimethoxy
Silane, N- (2- amino-ethyl) -3- amino propyl methyl dimethoxysilane etc. contain the silicon compound of amino, 3- chloropropyl front three
TMOS, 3- isocyanates propyl-triethoxysilicane or they at least one and MTES, ethyl three
Ethoxysilane, MTMS, ethyl trimethoxy silane etc. contain condensation substance of silicon compound of alkyl etc..These
Material can be used alone one kind it is also possible to be applied in combination two or more.
When cohesiveness compositionss P contain silane coupler, its content is with respect to (methyl) acrylate polymer (A) 100
Mass parts, more than preferably 0.01 mass parts, more than particularly preferred 0.05 mass parts, more than further preferred 0.1 mass parts.And
And, this content is preferably below 1 mass parts, below particularly preferred 0.5 mass parts, below further preferred 0.3 mass parts.
(7) preparation of cohesiveness compositionss
Cohesiveness compositionss P can be manufactured by following process, that is, prepare (methyl) acrylate polymer (A), mixes
(methyl) acrylate polymer (A) obtained by closing, polyrotaxane compound (B), isocyanates cross-linking agent (C) and reaction promote
Enter agent (D), and add additive as needed.
(methyl) acrylate polymer (A) can by by constitute polymer monomer mixture utilize common from
It is polymerized and prepared by base polymerization.The polymerization of (methyl) acrylate polymer (A) is preferably as needed using polymerization
Initiator is simultaneously carried out by solution polymerization process.As polymer solvent, for example, can enumerate ethyl acetate, n-butyl acetate, acetic acid
Isobutyl ester, toluene, acetone, hexane, butanone etc. are it is also possible to and with more than two species.
As polymerization initiator, azo compound, organic peroxide etc. can be enumerated it is also possible to and with two species with
On.As azo compound, for example can enumerate 2,2'- azodiisobutyronitrile, 2,2'- azo two (2- methylbutyronitrile), 1,
1'- azo two (hexamethylene 1- formonitrile HCN), 2,2'- azo two (2,4- methyl pentane nitrile), 2,2'- azo two (2,4- dimethyl -4-
Methoxyl-valeronitrile), dimethyl 2,2'- azo two (2 Methylpropionic acid ester), 4,4'- azo two (4- cyanopentanoic acid), 2,2'- azo
Two (2- hydroxymethyl propionitrile), 2,2'- azo two [2- (2- imidazoline -2- base) propane] etc..
As organic peroxide, for example, can enumerate benzoyl peroxide, peroxidized t-butyl perbenzoate, hydroperoxidation
Isopropylbenzene, di-isopropyl peroxydicarbonate, peroxy dicarbonate di-n-propyl ester, two (2- ethoxyethyl group) peroxy dicarbonate
Ester, new peroxide tert-butyl caprate, tert-Butyl peroxypivalate, (3,5,5- trimethyl acetyl) peroxide, two propionyl mistakes
Oxide, diacetyl peroxide etc..
In addition, in above-mentioned polymerization process, by adding the chain-transferring agents such as 2 mercapto ethanol, poly- obtained by can adjusting
The weight average molecular weight of compound.
If obtaining (methyl) acrylate polymer (A), add in the solution of (methyl) acrylate polymer (A)
Polyrotaxane compound (B), isocyanates cross-linking agent (C), reaction promoter (D) and foundation need to add retarder thinner and add
Plus agent, and be sufficiently mixed, thus obtain cohesiveness compositionss P (coating solution) with solvent dilution.In addition, above-mentioned each composition
Any one, can be single using during solid, shaped thing or in the case of separating out when being mixed with other compositions with undiluted state
Solely this composition is dissolved in advance or is diluted in after retarder thinner and mix with other compositions.
As above-mentioned retarder thinner, such as using fragrance such as the aliphatic hydrocarbons such as hexane, heptane, hexamethylene, toluene, dimethylbenzene
The alcohol such as the halogenated hydrocarbons such as race's hydrocarbon, dichloromethane, dichloroethanes, methanol, ethanol, propanol, butanol, 1- methoxy-2-propanol, acetone,
The dioxanes such as the esters such as the ketone such as butanone, 2 pentanone, isophorone, Ketohexamethylene, ethyl acetate, butyl acetate, ethyl cellosolve
Solvent etc..
As the concentration of thus prepared coating solution, viscosity, as long as in the scope that can be coated with, especially not limiting
System, can be according to circumstances suitably selected.For example, dilution is so that the concentration of cohesiveness compositionss P is 10～60 mass %.In addition,
When obtaining coating solution, add the not necessarily condition such as retarder thinner, as long as cohesiveness compositionss P are the viscosity that can be coated with
Deng then can also be without retarder thinner.Now, cohesiveness compositionss P become that (methyl) acrylate polymer (A) is poly-
Bonding solvent is directly as the coating solution of retarder thinner.
(sticker)
The sticker of present embodiment is formed by crosslinked cohesiveness compositionss P.The crosslinking of cohesiveness compositionss P usually can
Carried out by heat treated.In addition it is possible to by making retarder thinner etc. combine from the cohesiveness coating desired object
Dried during the film volatilization of thing P has this heat treated concurrently.
The heating-up temperature of heat treated is preferably 50～150 DEG C, particularly preferably 70～120 DEG C.And, heat time heating time is excellent
Elect 10 seconds～10 minutes as, particularly preferably 50 seconds～2 minutes.
After heat treated, can be arranged on as needed and carry out 1～2 week about under room temperature (for example, 23 DEG C, 50%RH)
During maintenance.When during needing this maintenance, after during maintenance, form sticker, when not needing between curing period,
Heat treated forms sticker after terminating.
By above-mentioned heat treated (and maintenance), (methyl) acrylate polymer (A) and polyrotaxane compound (B) warp
Full cross-linked by isocyanates cross-linking agent (C).The segment difference tracing ability of so obtained sticker and blister resistance these two aspects
Excellent.
With regard to the gel fraction of the sticker of present embodiment, preferred lower limit value is more than 30%, more preferred 40% with
On, particularly preferred more than 50%.If the lower limit of the gel fraction of sticker is more than above-mentioned, the cohesiveness of sticker becomes
Height, blister resistance is more excellent.And, the gel fraction of the sticker with regard to present embodiment, preferred upper limit value be 90% with
Under, particularly preferred less than 85%, further preferred less than 80%.If the higher limit of the gel fraction of sticker is above-mentioned following,
Then sticker will not become really up to the mark, and segment difference tracing ability is more excellent.Here, the assay method of the gel fraction of sticker is as be described hereinafter
Test example shown in.
(adhesive sheet)
The adhesive sheet of present embodiment has adhering agent layer, and this adhering agent layer is used for laminating at least by the mask of laminating side
There are display body component parts and another display body component parts of segment difference, this adhering agent layer is made up of described sticker.
The concrete composition of one of the adhesive sheet as present embodiment is shown in Fig. 1.
As shown in figure 1, the adhesive sheet 1 of an embodiment is made up of following：Two panels stripping film 12a, 12b；And with this two
Adhering agent layer 11 clamped by this two panels stripping film 12a, 12b for the mode of the release surface contact of piece stripping film 12a, 12b.
In addition, the release surface of the stripping film in this specification refers to the face in stripping film with fissility, including enforcement
Even if the face of lift-off processing and face both that lift-off processing display that fissility be not carried out.
(1) adhering agent layer
Adhering agent layer 11 is made up of described sticker, i.e. be made up of the sticker of crosslinked cohesiveness compositionss P.
Thickness (value measuring according to JIS K7130) with regard to the adhering agent layer 11 of the adhesive sheet 1 of present embodiment, lower limit
Value is preferably more than 10 μm, more preferably more than 25 μm, particularly preferably more than 50 μm.If the lower limit of the thickness of adhering agent layer 11
It is worth for more than above-mentioned, then easily playing desired adhesion strength, and can be for the common segment difference of display body component parts
Guarantee sufficient segment difference tracing ability.And, the thickness with regard to adhering agent layer 11, higher limit is preferably less than 1000 μm, more preferably
For less than 400 μm, particularly preferably less than 300 μm.If the higher limit of the thickness of adhering agent layer 11 is above-mentioned following, processability
Well.In addition, adhering agent layer 11 can be formed by monolayer, also can laminated multi-layer being formed.
(2) stripping film
Stripping film 12a, 12b are to protect adhering agent layer 11 using before adhesive sheet 1, using adhesive sheet 1 (adhering agent layer 11)
When be stripped.In the adhesive sheet 1 of present embodiment, it is not absolutely required to stripping film one of 12a, 12b or two.
As stripping film 12a, 12b, for example, can use polyethylene film, polypropylene film, polybutene thin film, polybutadiene
Thin film, poly-methyl pentene film, polyvinyl chloride film, vinyl chloride copolymer thin film, pet film, poly-
(ethylene naphthalate) thin film, polybutylene terephthalate (PBT) thin film, polyurethane film, Ethylene-vinyl acetate thin film, from
Copolymer resin thin film, ethylene-(methyl) acrylic copolymer thin film, ethylene-(methyl) acrylate copolymer thin film, polyphenyl second
Alkene thin film, polycarbonate film, Kapton, fluorine resin film etc..And, it is possible to use their crosslinked film.
Alternatively, it is also possible to for their laminate film.
The release surface (face especially being contacted with adhering agent layer 11) of above-mentioned stripping film 12a, 12b is preferably embodied with stripping
Reason.As the remover used in lift-off processing, for example can enumerate alcohol acids, silicone, fluorine class, unsaturated polyester (UP) class,
TPO, the remover of wax class.In addition, in stripping film 12a, 12b, preferably a stripping film is set to peeling force larger
Re-release type stripping film, another stripping film is set to the less gently exfoliated stripping film of peeling force.
Thickness for stripping film 12a, 12b is not particularly limited, usually 20～150 μm about.
(3) physical property
(3-1) segment difference follows rate
In the adhering agent layer 11 of the adhesive sheet 1 of present embodiment, the segment difference with regard to being represented with following formula follows rate (%), excellent
Lower limit is selected to be more than 20%, particularly preferred more than 25%, further preferred more than 30%.And, follow rate as segment difference
Higher limit, is not particularly limited it is often preferred that less than 80%, and particularly preferred less than 70%.
Segment difference follows rate (%)={ (after the long duration test of regulation, maintain bubble-free, the shape that floats, peel off etc. and being landfilled
The height (μm) of the segment difference of state)/(thickness of adhering agent layer) } × 100
In addition, segment difference is followed shown in the test method of rate test example as be described hereinafter.
As described above, the adhering agent layer of the adhesive sheet of present embodiment is fitted in the display by the face of laminating side with segment difference
Body component parts.Rate is followed in above range by the segment difference of adhering agent layer, this adhering agent layer is followed display body well and constituted
The segment difference of part, also can suppress to produce bubble near segment difference, float, peel off even across long duration test, and thus suppression is sent out
The reflection loss of the third contact of a total solar or lunar eclipse.The segment difference rate of following of above range can be by suitable adjustment (methyl) acrylate polymer (A)
Glass transition temperature (Tg) etc. is realizing.
(3-2) haze value
The haze value of the adhering agent layer 11 of the adhesive sheet 1 of present embodiment is preferably less than 5%, particularly preferred less than 3%,
Further preferred less than 1%.If the haze value of adhering agent layer 11 is less than 5%, the transparency is very high, is suitable as optics and uses
On the way (display body use).In addition, the haze value in this specification is set to according to JIS K7136：The value of 2000 mensure.
(3-3) adhesion strength
The adhesive sheet 1 of present embodiment is preferably more than 5N/25mm for the lower limit of the adhesion strength of soda-lime glass, especially
It is preferably more than 10N/25mm, more preferably more than 15N/25mm.If the adhesion strength of adhesive sheet 1 is more than 5N/25mm,
Blister resistance is more excellent.And, the adhesive sheet 1 of present embodiment is preferably with respect to the higher limit of the adhesion strength of soda-lime glass
Below 50N/25mm, more preferably below 40N/25mm, particularly preferably below 35N/25mm, more preferably 25N/25mm
Below.If the adhesion strength of adhesive sheet 1 is below 50N/25mm, when being prevented from cutting, sticker is attached to blade, Er Qieruo
For below 25N/25mm, then can get good re-workability, when there is laminating error, the display body being capable of high price is constituted
The recycling of part.
Here, the adhesion strength of this specification substantially refers to by according to JIS Z0237:2009 180 degree stripping method is surveyed
Fixed adhesion strength, determination sample is set to the length of the width of 25mm, 100mm, and this determination sample is attached at adherend,
After 0.5MPa, pressurization 20 minutes at 50 DEG C, after placing 24 hours under conditions of normal pressure, 23 DEG C, 50%RH, in peeling rate
Measure under 300mm/ minute.
(4) preparation of adhesive sheet
As a preparation example of adhesive sheet 1, it is coated with above-mentioned cohesiveness group in the release surface of a stripping film 12a (or 12b)
The coating fluid of compound P, carries out heat treated and carrys out heat cross-linking cohesiveness compositionss P to be formed after coating layer, overlapping in this coating layer
The release surface of another stripping film 12b (or 12a).When needing during maintenance, during maintenance, without maintenance during when, above-mentioned
Coating layer is directly becoming adhering agent layer 11.Thus, can get above-mentioned adhesive sheet 1.For the condition of heat treated and maintenance, as above
Described.
As another preparation example of adhesive sheet 1, it is coated with above-mentioned cohesiveness compositionss P in the release surface of a stripping film 12a
Coating fluid, and carry out heat treated and make cohesiveness compositionss P carry out heat cross-linking to form coating layer, thus obtaining with painting
The stripping film 12a of layer of cloth.And, it is coated with the coating fluid of above-mentioned cohesiveness compositionss P in the release surface of another stripping film 12b,
And carry out heat treated and make cohesiveness compositionss P carry out heat cross-linking to form coating layer, thus obtaining the stripping with coating layer
From piece 12b.And, by the stripping film 12a with the coating layer and stripping film 12b with coating layer with two coating layer phase mutual connections
Tactile mode is fitted.When during needing maintenance, during the coating layer of above-mentioned stacking is via maintenance, become adhering agent layer
11, when not needing between curing period, the coating layer of above-mentioned stacking is directly becoming adhering agent layer 11.Thus, can get above-mentioned adhesion
Piece 1.According to this preparation example, even if it is also possible to stably be prepared in the case that adhering agent layer 11 is thicker.
As the method for the coating fluid being coated with above-mentioned cohesiveness compositionss P, for example, can utilize rod coating method, scraper for coating
Method, roller rubbing method, scraper plate rubbing method, die coating methods, gravure coating process etc..
(display body)
As shown in Fig. 2 the display body 2 of present embodiment possesses following composition：At least segment difference is had by the face of laminating side
The first display body component parts 21 (display body component parts)；Second display body component parts 22 (another display body
Component parts)；And be located at they between and will be mutual with the second display body component parts 22 for the first display body component parts 21
The adhering agent layer 11 of laminating.In the display body 2 of present embodiment, the first display body component parts 21 are in the face of adhering agent layer 11 side
There is segment difference, specifically, there is the segment difference being formed by printing layer 3.
Adhering agent layer 11 in above-mentioned display body 2 is the adhering agent layer 11 of described adhesive sheet 1.
As display body 2, for example, can enumerate liquid crystal (LCD) display, light emitting diode (LED) display, Organic Electricity
Photoluminescence (organic EL) display, Electronic Paper etc. or touch panel.And, as display body 2 or constitute
The part of their part.
First display body component parts 21 are preferably glass plate, plastic plate etc., and by comprising the structures such as their duplexer
The protection panels becoming.Now, general adhering agent layer 11 side in the first display body component parts 21 of printing layer 3 is formed as frame
Shape.
As above-mentioned glass plate, it is not particularly limited, for example, can enumerate chemically reinforced glass, alkali-free glass, quartz
Glass, soda-lime glass, baric-strontium glass, alumina silicate glass, lead glass, borosilicate glass, barium borosilicate glass etc..
The thickness of glass plate is not particularly limited, usually 0.1～5mm, preferably 0.2～2mm.
It is not particularly limited as above-mentioned plastic plate, for example, can enumerate acrylic panel, polycarbonate plate etc..Plastic plate
Thickness be not particularly limited, usually 0.2～5mm, preferably 0.4～3mm.
In addition, the one or both sides in above-mentioned glass plate or plastic plate can arrange various functions layers (nesa coating, gold
Belong to layer, silicon dioxide layer, hard conating, antiglare layer etc.) it is also possible to laminated optical member.And, nesa coating and metal level can
To be patterned.
Second display body component parts 22 preferably should be attached at the opticses of the first display body component parts 21, display
Body module (for example, liquid crystal (LCD) module, light emitting diode (LED) module, organic electroluminescent (organic EL) module etc.), work
Opticses for a part for display body module or the duplexer comprising display body module.
As above-mentioned opticses, for example, can enumerate anti-disperse thin film, polaroid (polarization film), polarizer, phase place
Difference plate (phase-contrast film), angle compensation films, brightness enhancement film, contrast raising thin film, liquid crystal polymer film, diffusion are thin
Film, Transflective thin film, transparent conducting film etc..As the anti-thin film that disperses, the one side in base film can be exemplified
Form hard-coated film of hard conating etc..
The material constituting printing layer 3 is not particularly limited, can be using the well known materials of printing.The thickness of printing layer 3
I.e. the lower limit of the height of segment difference is preferably more than 3 μm, more preferably more than 5 μm, particularly preferably more than 7 μm, most preferably
10 μm with excellent.By lower limit for more than above-mentioned, substantially ensuring that and cannot see the hidden of electric wiring etc. from observer side
Covering property.And, higher limit is preferably less than 50 μm, more preferably less than 35 μm, particularly preferably less than 25 μm, further preferably
For less than 20 μm.It is above-mentioned following by higher limit, be prevented from the segment difference tracing ability that adhering agent layer 11 is with respect to this printing layer 3
Deterioration.
When preparing above-mentioned display body 2, as one, peel off a stripping film 12a of adhesive sheet 1, and will reveal in adhesive sheet 1
The adhering agent layer 11 going out fits in the face of the side existing for printing layer 3 of the first display body component parts 21.Now, adhering agent layer
11 is excellent due to segment difference tracing ability, therefore can suppress to produce gap near the segment difference being formed by printing layer 3 or float.
Then, that exposes from adhering agent layer 11 stripping another stripping film 12b, and adhesive sheet 1 of fitting of adhesive sheet 1 is viscous
Oxidant layer 11 and the second display body component parts 22.And, as another example, can replace the first display body component parts 21 and
The coating squence of the second display body component parts 22.
In above display body 2, be for example placed in hot and humid under the conditions of (for example, 85 DEG C, 85%RH), even if aobvious from first
Show that body component parts 21 and/or the second display body component parts 22 occur outgassing, the blister resistance of adhering agent layer 11 is also excellent, because
This can suppress to produce at the interface of adhering agent layer 11 and the first display body component parts 21 and/or the second display body component parts 22
Bubble, the foaming phenomena such as float, peel off.
And, above-mentioned adhering agent layer 11 segment difference tracing ability under the conditions of hot and humid is also excellent, and therefore display body 2 is for example put
Be placed in hot and humid under the conditions of (for example, 85 DEG C, 85%RH) when, also can suppress to produce bubble near segment difference, float, peel off
Deng.
Embodiments described above is recorded for the ease of understanding the present invention, is not intended to limit the present invention and records.
Therefore, each key element disclosed in above-mentioned embodiment is intended to also comprise to belong to all design tables of the technology skill scope of the present invention
Type and equivalent.
For example, it is possible to omit any one in stripping film 12a, the 12b in adhesive sheet 1 or two, and it is possible to replace
Stripping film 12a and/or 12b and be laminated desired opticses.And, the first display body component parts 21 can have printing
Segment difference beyond layer 3.And then, it is not only the first display body component parts 21, the second display body component parts 22 can also be viscous
Oxidant layer 11 side and there is segment difference.
Embodiment
Hereinafter, by embodiment, the present invention is described in further detail, but the scope of the present invention is not limited to
These embodiments etc..
(embodiment 1)
1. the preparation of (methyl) acrylate polymer
Make 2-EHA 60 mass parts, methyl methacrylate 20 mass parts and acrylic acid 2- hydroxy methacrylate 20
Mass parts copolymerization and prepare (methyl) acrylate polymer (A).Measure and should gather (methyl) acrylate using method described later
The molecular weight of compound (A), result weight average molecular weight (Mw) is 600,000.
2. the preparation of cohesiveness compositionss
By (methyl) that obtain in above-mentioned operation 1 acrylate polymer (A) 100 mass parts (solid constituent scaled value；With
Under identical), polyrotaxane compound (B) (Advanced Softmaterials Inc. system, ProductName " CELM high polymer
SH3400P ", straight-chain molecule：Polyethylene Glycol, ring molecule：There is hydroxypropyl and the alpha-cyclodextrin of caprolactone chain, protection group：
Adamantyl, weight average molecular weight (Mw) 700,000, hydroxyl value 72mgKOH/g) 5.0 mass parts, as isocyanates cross-linking agent (C)
Trimethylolpropane modified toluene diisocyanate (Nippon Polyurethane Industry Co., Ltd. system, ProductName
" CORONATE L ") 0.25 mass parts, dibutyl tin laurate (the Tokyo Chemical as reaction promoter (D)
Industry Co., Ltd. system) 0.005 mass parts, acetylacetone,2,4-pentanedione (the Tokyo Chemical as reaction suppressor
Industry Co., Ltd. system) 2.5 mass parts, the 3- glycydoxy trimethoxy silicon as silane coupler
Alkane (Shin-Etsu Chemical Co., Ltd. system, ProductName " KBM-403 ") 0.25 mass parts are mixed and are fully stirred
Mix, and using methyl ethyl ketone dilution, obtain the coating solution of the cohesiveness compositionss of solid component concentration 35 mass %.
Wherein, (methyl) acrylate polymer (A) is set to cohesiveness during 100 mass parts (solid constituent scaled value)
Each proportioning (solid constituent scaled value) of compositionss is shown in table 1.In addition, the detailed content of abbreviation described in table 1 etc. is as follows
Described.
[(methyl) acrylate polymer (A)]
2EHA：2-EHA
MMA：Methyl methacrylate
HEA：Acrylic acid 2- hydroxy methacrylate
IBXA：Isobornyl acrylate
ACMO：4- acryloyl morpholine
BA：N-butyl acrylate
MA：Acrylic acid methyl ester.
[isocyanates cross-linking agent (C)]
TDI：Trimethylolpropane modified toluene diisocyanate (Nippon Polyurethane Industry Co.,
Ltd. make, ProductName " CORONATE L ")
XDI：Trimethylolpropane modification XDI (comprehensive grind chemical society system, trade name " TD-75 ")
[reaction promoter (D)]
DBTDL：Dibutyl tin laurate (Tokyo Chemical Industry Co., Ltd. system)
TEA：Triethylamine (Tokyo Chemical Industry Co., Ltd. system)
3. the preparation of adhesive sheet
Obtained from the one side of pet film is carried out lift-off processing with silicone remover
On the lift-off processing face of re-release type stripping film (LINTEC Corporation system, ProductName " SP-PET752150 "), utilize
Knife type coater is coated with the coating solution of obtained cohesiveness compositionss in above-mentioned operation 2.Then, to coating layer at 90 DEG C
Carry out 1 minute heat treated and form coating layer.
Then, the coating layer on re-release type stripping film obtaining in will be above-mentioned is thin with by polyethylene terephthalate
The one side of film carries out obtained from lift-off processing gently exfoliated stripping film (LINTEC Corporation using silicone remover
System, ProductName " SP-PET382120 "), carried out in the way of this gently the lift-off processing face of exfoliated stripping film and coating layer
Laminating, and maintenance 7 days under conditions of 23 DEG C, 50%RH, thus make by re-release type stripping film/adhering agent layer (thickness：25
μm)/gently exfoliated stripping film structure constitute the first adhesive sheet.
And, with knife type coater, the coating solution of the cohesiveness compositionss obtaining in above-mentioned operation 2 is coated and use silicon
Ketone remover carries out re-release type stripping film obtained from lift-off processing to the one side of pet film
After the lift-off processing face of (LINTEC Corporation system, ProductName " SP-PET752150 "), carry out at 90 DEG C 1 minute
Heat treated and form coating layer (thickness：25μm).Similarly, the adhesion that will be obtained in above-mentioned operation 2 with knife type coater
The coating solution of property compositionss is coated and with silicone remover, the one side of pet film is shelled
The stripping of light exfoliated stripping film (LINTEC Corporation system, ProductName " SP-PET382120 ") obtained from processing
After process face, carry out the heat treated of 1 minute at 90 DEG C and define coating layer (thickness：25μm).
Then, be fitted in the way of two coating layers contact with each other above-mentioned in the re-release type with coating layer that obtains
Stripping film and the gently exfoliated stripping film with coating layer obtaining in above-mentioned, are carried out 7 days under conditions of 23 DEG C, 50%RH
Maintenance, thus make by re-release type stripping film/adhering agent layer (thickness：50 μm)/gently exfoliated stripping film structure constitute
The second adhesive sheet.
In addition, the thickness of above-mentioned adhering agent layer is according to JIS K7130 and to use constant voltage thickness tester (TECLOCK
Corportion system, ProductName " PG-02 ") come the value to measure.
(embodiment 2～17, comparative example 1～3)
Except the species of each monomer that will constitute (methyl) acrylate polymer (A) and ratio, (methyl) acrylate gather
The weight average molecular weight of compound (A), the addition of polyrotaxane compound (B), the species of isocyanates cross-linking agent (C) and interpolation
Beyond the addition of amount and silane coupler is changed to shown in table 1, prepare adhesive sheet same as Example 1ly.
Wherein, described weight average molecular weight (Mw) is to measure (GPC survey under the following conditions using gel permeation chromatography (GPC)
The weight average molecular weight of polystyrene conversion calmly).
＜ condition determination ＞
GPC measures device：TOSOH CORPORATION system, HLC-8020
GPC post (passes through) in the following order：TOSOH CORPORATION system
TSK guard column HXL-H
TSK gel GMHXL(×2)
TSK gel G2000HXL
Measure solvent：Oxolane
Temperature of the measurement：40℃
(test example 1) (mensure of gel fraction)
By obtained the first adhesive sheet (thickness of adhering agent layer in embodiment and comparative example：25 μm) be cut into 80mm ×
The size of 80mm, by this adhering agent layer bag in polyester net (net size 200), weighs its quality by precision balance, deducts
The single quality of above-mentioned net, thus calculates the quality of sticker itself.Quality now is set to M1.
Then, at room temperature (23 DEG C), the sticker wrapping in above-mentioned polyester net is impregnated 24 in ethyl acetate little
When.Thereafter, take out sticker, air-dry 24 hours in the environment of 23 DEG C of temperature, relative humidity 50%, further in 80 DEG C of baking
It is dried 12 hours in case.After drying, its quality is weighed by precision balance, deduct the single quality of above-mentioned net, thus calculate viscous
The quality of agent itself.Quality now is set to M2.Represent gel fraction (%) with (M2/M1) × 100.Show the result in table
2.
(test example 2) (mensure of haze value)
For obtained the first adhesive sheet (thickness of adhering agent layer in embodiment and comparative example：25 μm) sticker
Layer, according to JIS K7136：2000, using haze meter (NIPPON DENSHOKU INDUSTRIES Co., LTD. system, ProductName
" NDH-2000 ") measure haze value (%).Show the result in table 2.
(test example 3) (mensure of adhesion strength)
Obtained the first adhesive sheet (thickness of adhering agent layer from embodiment and comparative example：25 μm) upper stripping gently stripping
Type stripping film, and the adhering agent layer exposing is fitted in polyethylene terephthalate (PET) thin film with easy following layer
(TOYOBO CO., LTD. system, ProductName " PET A4300 ", thickness：100 μm) easy following layer, thus obtaining stripping film/viscous
The duplexer of oxidant layer/PET film.Obtained duplexer is cut into 25mm width, 100mm length, as sample.
In the environment of 23 DEG C, 50%RH, from above-mentioned sample, peel off re-release type stripping film, and by the sticker exposing
After layer is attached at soda-lime glass (Nippon Sheet Glass Co., Ltd. system), using Kurihara Manufactory
Inc. autoclave processed pressurizes 20 minutes at 0.5MPa, 50 DEG C.Thereafter, after placing 24 hours under conditions of 23 DEG C, 50%RH,
Using cupping machine (ORIENTEC Co., LTD. system, Tensilon) in peeling rate 300mm/ minute, peel angle 180
Adhesion strength (N/25mm) is measured under conditions of degree.Condition beyond here is described is according to JIS Z 0237：2009 are measured.
Show the result in table 2.
(test example 4) (segment difference follows the mensure of rate)
In glass plate, (NSG Precision Co, Ltd. system, ProductName " Corning Glass EAGLE XG ", indulge
90mm × horizontal 50mm × thickness 0.5mm) surface with border shape screen painting ultraviolet hardening ink (Teikoku Printing
Prepared by Inks Mfg.Co., Ltd., ProductName " POS-911 ink ") so that coating thickness becomes 5 μm, 10 μm, 15 μm and 20 μm
In any one (profile：Vertical 90mm × horizontal 50mm, wide 5mm).Then, irradiation ultraviolet radiation (80W/cm2, metal halide lamp
Two, a height of 15cm of lamp, belt speed is 10～15m/ minute) so that the above-mentioned ultraviolet hardening ink solidification of printing, thus making
There is the segment difference (height of segment difference by printing：Any one in 5 μm, 10 μm, 15 μm and 20 μm) subsidiary segment difference glass
Glass plate.
The the second adhesive sheet (thickness of adhering agent layer obtaining from embodiment and comparative example：50 μm) peel off gently exfoliated stripping
From piece, and the adhering agent layer being exposed is fitted in the pet film (TOYOBO with easy following layer
Prepared by Co., Ltd., ProductName " PET A4300 ", thickness：100 μm) easy following layer.Then, peel off re-release type stripping film,
And expose adhering agent layer.Then, covered with adhering agent layer using plastic packaging machine (prepared by FUJIPLA Inc., ProductName " LPD3214 ")
Cover the mode of whole border shape printing by above-mentioned duplexer plastic packaging to the glass plate of each subsidiary segment difference, and this is used as evaluating
Sample.
After obtained sample for evaluation being carried out under conditions of 50 DEG C, 0.5MPa the autoclave process of 30 minutes,
Normal pressure, 23 DEG C, place 24 hours under 50%RH.Then, 85 DEG C, 85%RH hot and humid under the conditions of keeping 72 hours (resistance to
Test long), then evaluate segment difference tracing ability.Whether segment difference tracing ability is completely to be landfilled by adhering agent layer by printing segment difference
Judge, when the interface between printing segment difference and adhering agent layer is observed bubble, floats, peels off etc., be judged as failing to follow print
Brush segment difference.Here, segment difference tracing ability follows rate (%) as the segment difference being represented by following formula being evaluated.Show the result in table
2.
Segment difference follow rate (%)=(after long duration test, the section of state that maintain bubble-free, floats, peel off etc. and being landfilled
The height (μm) of difference)/(thickness of adhering agent layer：50μm)}×100
(test example 5) (evaluation of blister resistance)
Using the poly terephthalic acid second that the nesa coating being made up of tin-doped indium oxide (ITO) is provided with one side
(OIKE＆Co., Ltd. manufacture diester film, ito thin film, thickness：125 μm) nesa coating and by polymethyl methacrylate
(PMMA) (MITSUBISHI GAS CHEMICAL COMPANY, INC. manufacture the acrylic panel constituting, ProductName " Iupilon
Sheet MR200 ", thickness：1mm) clamp the second adhesive sheet (thickness of adhering agent layer obtaining in embodiment and comparative example：50μ
M) adhering agent layer, to obtain duplexer.
By obtained duplexer (sample) carry out under conditions of 50 DEG C, 0.5Mpa 30 minutes autoclave process it
Afterwards, place 24 hours under normal pressure, 23 DEG C, 50%RH.Then, 85 DEG C, 85%RH hot and humid under the conditions of keeping 72 little
When.Afterwards, the bubble at the interface between adhering agent layer and adherend is confirmed by range estimation, and according to following benchmark evaluation anti-foaming
Property.Show the result in table 2.
◎ ... bubble-free
Zero ... when being set to 100% by the vertical view area of sample, and the ratio of the area shared by bubble is less than 10%
When the vertical view area of sample is set to 100% by △ ..., the ratio of the area shared by bubble is more than 10% and little
In 50%
× ... when the vertical view area of sample is set to 100%, the ratio of the area shared by bubble is more than 50%
[table 1]
[table 2]
As known from Table 2, the segment difference tracing ability of the adhesive sheet obtaining in embodiment and blister resistance are all excellent.
Industrial applicibility
The adhesive sheet of the present invention for example can be suitably used for the protection panels with segment difference and desired display body structure
Become the laminating of part.
Claims (10)
1. a kind of cohesiveness constituent is it is characterised in that contain：
(methyl) acrylate polymer (A), it comprises hydroxyl monomer as the monomeric unit constituting polymer；
Polyrotaxane compound (B), its have containing hydroxyl as reactive base cyclic oligosaccharide as ring molecule；
Isocyanates cross-linking agent (C)；And
Reaction promoter (D), promotes urethane reaction.
2. cohesiveness constituent according to claim 1 it is characterised in that
Content in described cohesiveness constituent for the described polyrotaxane compound (B) is with respect to described (methyl) acrylic ester polymerization
Thing (A) 100 mass parts are below more than 0.5 mass parts and 20 mass parts.
3. cohesiveness constituent according to claim 1 it is characterised in that
Content in described cohesiveness constituent for the described reaction promoter (D) is with respect to described (methyl) acrylate polymer
(A) 100 mass parts are below more than 0.01 mass parts and 1.5 mass parts.
4. cohesiveness constituent according to claim 1 it is characterised in that
In described (methyl) acrylate polymer (A), as the monomeric unit constituting this polymer, more than 3 mass %
And 30 described hydroxyl monomers below mass %.
5. a kind of sticker, its cohesiveness constituent any one of crosslinked Claims 1 to 4 item forms.
6. sticker according to claim 5 it is characterised in that
Gel fraction is more than 30% and less than 90%.
7. a kind of adhesive sheet, it has adhering agent layer, and this adhering agent layer is used for laminating and at least has segment difference on the face of laminating side
Display body component parts and another display body component parts it is characterised in that
Described adhering agent layer is made up of the sticker described in claim 5.
8. adhesive sheet according to claim 7 it is characterised in that
It is more than 20% that the segment difference of described adhering agent layer follows rate.
9. adhesive sheet according to claim 7 it is characterised in that
Described adhesive sheet possesses two panels stripping film,
Described adhering agent layer is clamped by described stripping film in the way of the release surface with described two panels stripping film contacts.
10. a kind of display body, it possesses：
One display body component parts, it at least has segment difference on the face of laminating side；
Another display body component parts；
Adhering agent layer, will be bonded to each other with another display body component parts described for one display body component parts,
Described display body is characterised by,
Described adhering agent layer is the adhering agent layer of the adhesive sheet described in claim 7.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2015158445A JP6888901B2 (en) | 2015-08-10 | 2015-08-10 | Adhesive Compositions, Adhesives, Adhesive Sheets and Labels |
| JP2015-158445 | 2015-08-10 |
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| CN201610648785.2A Active CN106433523B (en) | 2015-08-10 | 2016-08-09 | Adhesive composition, adhesive sheet, and display |
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| JP (1) | JP6888901B2 (en) |
| KR (1) | KR102572388B1 (en) |
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| CN110408331A (en) * | 2018-04-27 | 2019-11-05 | 琳得科株式会社 | Response to temperature adhesive sheet and laminated body |
| CN111471404A (en) * | 2018-12-27 | 2020-07-31 | 琳得科株式会社 | Adhesive sheet, structure, and method for producing structure |
| CN115516054A (en) * | 2020-05-07 | 2022-12-23 | 琳得科株式会社 | Adhesive composition, adhesive sheet, and laminate |
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| CN109796916A (en) * | 2017-11-16 | 2019-05-24 | 琳得科株式会社 | Alternating bending device sticker, adhesive sheet, alternating bending laminate component and alternating bending device |
| CN110093109A (en) * | 2018-01-30 | 2019-08-06 | 琳得科株式会社 | Adhesive sheet, structural body and its manufacturing method |
| CN110093109B (en) * | 2018-01-30 | 2022-08-19 | 琳得科株式会社 | Adhesive sheet, structure and method for producing same |
| CN110256976A (en) * | 2018-03-12 | 2019-09-20 | 琳得科株式会社 | Response to temperature adhesive sheet and laminated body |
| CN110256976B (en) * | 2018-03-12 | 2022-07-12 | 琳得科株式会社 | Temperature-sensitive adhesive sheet and laminate |
| CN110408331A (en) * | 2018-04-27 | 2019-11-05 | 琳得科株式会社 | Response to temperature adhesive sheet and laminated body |
| CN110408331B (en) * | 2018-04-27 | 2022-11-01 | 琳得科株式会社 | Temperature-sensitive adhesive sheet and laminate |
| CN111471404A (en) * | 2018-12-27 | 2020-07-31 | 琳得科株式会社 | Adhesive sheet, structure, and method for producing structure |
| CN115516054A (en) * | 2020-05-07 | 2022-12-23 | 琳得科株式会社 | Adhesive composition, adhesive sheet, and laminate |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6888901B2 (en) | 2021-06-18 |
| KR20170018770A (en) | 2017-02-20 |
| KR102572388B1 (en) | 2023-08-29 |
| TWI824994B (en) | 2023-12-11 |
| TW201710451A (en) | 2017-03-16 |
| JP2017036393A (en) | 2017-02-16 |
| CN106433523B (en) | 2024-02-20 |
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