WO2015152277A1 - 合わせガラス用中間膜、発光性合わせガラス用中間膜及び合わせガラス - Google Patents
合わせガラス用中間膜、発光性合わせガラス用中間膜及び合わせガラス Download PDFInfo
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- WO2015152277A1 WO2015152277A1 PCT/JP2015/060221 JP2015060221W WO2015152277A1 WO 2015152277 A1 WO2015152277 A1 WO 2015152277A1 JP 2015060221 W JP2015060221 W JP 2015060221W WO 2015152277 A1 WO2015152277 A1 WO 2015152277A1
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- WIPO (PCT)
- Prior art keywords
- laminated glass
- weight
- interlayer film
- light emitting
- parts
- Prior art date
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- 239000005340 laminated glass Substances 0.000 title claims abstract description 221
- 239000011229 interlayer Substances 0.000 title claims abstract description 157
- 239000010410 layer Substances 0.000 claims abstract description 201
- 229910052751 metal Inorganic materials 0.000 claims abstract description 46
- 239000002184 metal Substances 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 45
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- 150000001491 aromatic compounds Chemical class 0.000 claims abstract description 38
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- 230000003078 antioxidant effect Effects 0.000 claims abstract description 28
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000012964 benzotriazole Substances 0.000 claims abstract description 18
- 150000003464 sulfur compounds Chemical class 0.000 claims abstract description 7
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- 239000011521 glass Substances 0.000 claims description 60
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- 150000003016 phosphoric acids Chemical class 0.000 claims description 2
- 125000002467 phosphate group Chemical class [H]OP(=O)(O[H])O[*] 0.000 abstract 1
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- 125000004432 carbon atom Chemical group C* 0.000 description 63
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 62
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 59
- DHKHKXVYLBGOIT-UHFFFAOYSA-N 1,1-Diethoxyethane Chemical compound CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 57
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- 159000000003 magnesium salts Chemical class 0.000 description 30
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- 150000003839 salts Chemical class 0.000 description 11
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- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 6
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- 238000004519 manufacturing process Methods 0.000 description 4
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- BVUXDWXKPROUDO-UHFFFAOYSA-N 2,6-di-tert-butyl-4-ethylphenol Chemical compound CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 BVUXDWXKPROUDO-UHFFFAOYSA-N 0.000 description 2
- BUUQZURCNBMDGS-UHFFFAOYSA-N 2-(2-hydroxyethoxy)ethyl 2,2-diethylhexanoate Chemical compound CCCCC(CC)(CC)C(=O)OCCOCCO BUUQZURCNBMDGS-UHFFFAOYSA-N 0.000 description 2
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- PFANXOISJYKQRP-UHFFFAOYSA-N 2-tert-butyl-4-[1-(5-tert-butyl-4-hydroxy-2-methylphenyl)butyl]-5-methylphenol Chemical compound C=1C(C(C)(C)C)=C(O)C=C(C)C=1C(CCC)C1=CC(C(C)(C)C)=C(O)C=C1C PFANXOISJYKQRP-UHFFFAOYSA-N 0.000 description 2
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- HDXGUOZQUVDYMC-UHFFFAOYSA-N 6h-benzo[c][2,1]benzoxaphosphinine Chemical compound C1=CC=C2OPC3=CC=CC=C3C2=C1 HDXGUOZQUVDYMC-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 description 2
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- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- FSRKEDYWZHGEGG-UHFFFAOYSA-N [2-(8-methylnonyl)phenyl] dihydrogen phosphate Chemical compound CC(C)CCCCCCCC1=CC=CC=C1OP(O)(O)=O FSRKEDYWZHGEGG-UHFFFAOYSA-N 0.000 description 2
- VSVVZZQIUJXYQA-UHFFFAOYSA-N [3-(3-dodecylsulfanylpropanoyloxy)-2,2-bis(3-dodecylsulfanylpropanoyloxymethyl)propyl] 3-dodecylsulfanylpropanoate Chemical compound CCCCCCCCCCCCSCCC(=O)OCC(COC(=O)CCSCCCCCCCCCCCC)(COC(=O)CCSCCCCCCCCCCCC)COC(=O)CCSCCCCCCCCCCCC VSVVZZQIUJXYQA-UHFFFAOYSA-N 0.000 description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 2
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 2
- 230000021736 acetylation Effects 0.000 description 2
- 238000006640 acetylation reaction Methods 0.000 description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 229920000180 alkyd Polymers 0.000 description 2
- 150000005215 alkyl ethers Chemical class 0.000 description 2
- 125000005233 alkylalcohol group Chemical group 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 150000008366 benzophenones Chemical class 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000001045 blue dye Substances 0.000 description 2
- 239000001055 blue pigment Substances 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- OBNCKNCVKJNDBV-UHFFFAOYSA-N butanoic acid ethyl ester Natural products CCCC(=O)OCC OBNCKNCVKJNDBV-UHFFFAOYSA-N 0.000 description 2
- 235000019282 butylated hydroxyanisole Nutrition 0.000 description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- KSMVZQYAVGTKIV-UHFFFAOYSA-N decanal Chemical compound CCCCCCCCCC=O KSMVZQYAVGTKIV-UHFFFAOYSA-N 0.000 description 2
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 150000004985 diamines Chemical class 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- KMKCBOQRRWZRII-UHFFFAOYSA-N diethyl 2,5-diaminobenzene-1,4-dicarboxylate Chemical compound CCOC(=O)C1=CC(N)=C(C(=O)OCC)C=C1N KMKCBOQRRWZRII-UHFFFAOYSA-N 0.000 description 2
- ZCGNNESZWJPBLW-UHFFFAOYSA-N dihydroxyphosphanyl dihydrogen phosphite 2-[2-(2-hydroxyphenyl)propan-2-yl]-3,4,5,6-tetra(tridecyl)phenol Chemical compound OP(O)OP(O)O.CCCCCCCCCCCCCC1=C(CCCCCCCCCCCCC)C(CCCCCCCCCCCCC)=C(O)C(C(C)(C)C=2C(=CC=CC=2)O)=C1CCCCCCCCCCCCC ZCGNNESZWJPBLW-UHFFFAOYSA-N 0.000 description 2
- 235000019304 dilauryl thiodipropionate Nutrition 0.000 description 2
- WABMHCVYKWKAAH-UHFFFAOYSA-N dimethyl 2,5-dihydroxybenzene-1,4-dicarboxylate Chemical compound COC(=O)C1=CC(O)=C(C(=O)OC)C=C1O WABMHCVYKWKAAH-UHFFFAOYSA-N 0.000 description 2
- XWVQUJDBOICHGH-UHFFFAOYSA-N dioctyl nonanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCC(=O)OCCCCCCCC XWVQUJDBOICHGH-UHFFFAOYSA-N 0.000 description 2
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 2
- PWWSSIYVTQUJQQ-UHFFFAOYSA-N distearyl thiodipropionate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCCCCCC PWWSSIYVTQUJQQ-UHFFFAOYSA-N 0.000 description 2
- 235000019305 distearyl thiodipropionate Nutrition 0.000 description 2
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 2
- 125000001033 ether group Chemical group 0.000 description 2
- PFNSKTMWOUFYJH-UHFFFAOYSA-N ethyl butanoate;magnesium Chemical compound [Mg].CCCC(=O)OCC PFNSKTMWOUFYJH-UHFFFAOYSA-N 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 150000002334 glycols Chemical class 0.000 description 2
- 239000001046 green dye Substances 0.000 description 2
- 239000001056 green pigment Substances 0.000 description 2
- MNWFXJYAOYHMED-UHFFFAOYSA-N heptanoic acid Chemical compound CCCCCCC(O)=O MNWFXJYAOYHMED-UHFFFAOYSA-N 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 229910003437 indium oxide Inorganic materials 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
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- JOADGALWHMAAKM-UHFFFAOYSA-L magnesium;2-ethylbutanoate Chemical compound [Mg+2].CCC(CC)C([O-])=O.CCC(CC)C([O-])=O JOADGALWHMAAKM-UHFFFAOYSA-L 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- GYHFUZHODSMOHU-UHFFFAOYSA-N nonanal Chemical compound CCCCCCCCC=O GYHFUZHODSMOHU-UHFFFAOYSA-N 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N o-dicarboxybenzene Natural products OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- NUJGJRNETVAIRJ-UHFFFAOYSA-N octanal Chemical compound CCCCCCCC=O NUJGJRNETVAIRJ-UHFFFAOYSA-N 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 125000005461 organic phosphorous group Chemical group 0.000 description 2
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 2
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000768 polyamine Polymers 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000193 polymethacrylate Polymers 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 239000011118 polyvinyl acetate Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 238000007127 saponification reaction Methods 0.000 description 2
- 150000003329 sebacic acid derivatives Chemical class 0.000 description 2
- 150000003335 secondary amines Chemical class 0.000 description 2
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical group [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 125000000542 sulfonic acid group Chemical group 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 150000003512 tertiary amines Chemical class 0.000 description 2
- LVEOKSIILWWVEO-UHFFFAOYSA-N tetradecyl 3-(3-oxo-3-tetradecoxypropyl)sulfanylpropanoate Chemical compound CCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCC LVEOKSIILWWVEO-UHFFFAOYSA-N 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 229910001887 tin oxide Inorganic materials 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- OXFUXNFMHFCELM-UHFFFAOYSA-N tripropan-2-yl phosphate Chemical compound CC(C)OP(=O)(OC(C)C)OC(C)C OXFUXNFMHFCELM-UHFFFAOYSA-N 0.000 description 2
- WTLBZVNBAKMVDP-UHFFFAOYSA-N tris(2-butoxyethyl) phosphate Chemical compound CCCCOCCOP(=O)(OCCOCCCC)OCCOCCCC WTLBZVNBAKMVDP-UHFFFAOYSA-N 0.000 description 2
- QQBLOZGVRHAYGT-UHFFFAOYSA-N tris-decyl phosphite Chemical compound CCCCCCCCCCOP(OCCCCCCCCCC)OCCCCCCCCCC QQBLOZGVRHAYGT-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- FEXBEKLLSUWSIM-UHFFFAOYSA-N 2-Butyl-4-methylphenol Chemical compound CCCCC1=CC(C)=CC=C1O FEXBEKLLSUWSIM-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
- PQJZHMCWDKOPQG-UHFFFAOYSA-N 2-anilino-2-oxoacetic acid Chemical group OC(=O)C(=O)NC1=CC=CC=C1 PQJZHMCWDKOPQG-UHFFFAOYSA-N 0.000 description 1
- CDOWNLMZVKJRSC-UHFFFAOYSA-N 2-hydroxyterephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(O)=C1 CDOWNLMZVKJRSC-UHFFFAOYSA-N 0.000 description 1
- GPNYZBKIGXGYNU-UHFFFAOYSA-N 2-tert-butyl-6-[(3-tert-butyl-5-ethyl-2-hydroxyphenyl)methyl]-4-ethylphenol Chemical compound CC(C)(C)C1=CC(CC)=CC(CC=2C(=C(C=C(CC)C=2)C(C)(C)C)O)=C1O GPNYZBKIGXGYNU-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- IYXGSMUGOJNHAZ-UHFFFAOYSA-N Ethyl malonate Chemical group CCOC(=O)CC(=O)OCC IYXGSMUGOJNHAZ-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011354 acetal resin Substances 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical group OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 description 1
- OCWYEMOEOGEQAN-UHFFFAOYSA-N bumetrizole Chemical compound CC(C)(C)C1=CC(C)=CC(N2N=C3C=C(Cl)C=CC3=N2)=C1O OCWYEMOEOGEQAN-UHFFFAOYSA-N 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- SRENRFDRXNVMKN-UHFFFAOYSA-N n-butyl-n-phenylaniline Chemical compound C=1C=CC=CC=1N(CCCC)C1=CC=CC=C1 SRENRFDRXNVMKN-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- DOIRQSBPFJWKBE-UHFFFAOYSA-N phthalic acid di-n-butyl ester Natural products CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- WUPCFMITFBVJMS-UHFFFAOYSA-N tetrakis(1,2,2,6,6-pentamethylpiperidin-4-yl) butane-1,2,3,4-tetracarboxylate Chemical compound C1C(C)(C)N(C)C(C)(C)CC1OC(=O)CC(C(=O)OC1CC(C)(C)N(C)C(C)(C)C1)C(C(=O)OC1CC(C)(C)N(C)C(C)(C)C1)CC(=O)OC1CC(C)(C)N(C)C(C)(C)C1 WUPCFMITFBVJMS-UHFFFAOYSA-N 0.000 description 1
- NZNAAUDJKMURFU-UHFFFAOYSA-N tetrakis(2,2,6,6-tetramethylpiperidin-4-yl) butane-1,2,3,4-tetracarboxylate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CC(C(=O)OC1CC(C)(C)NC(C)(C)C1)C(C(=O)OC1CC(C)(C)NC(C)(C)C1)CC(=O)OC1CC(C)(C)NC(C)(C)C1 NZNAAUDJKMURFU-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
- C03C27/10—Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10678—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer comprising UV absorbers or stabilizers, e.g. antioxidants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10651—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer comprising colorants, e.g. dyes or pigments
- B32B17/10669—Luminescent agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10688—Adjustment of the adherence to the glass layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/422—Luminescent, fluorescent, phosphorescent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/006—Transparent parts other than made from inorganic glass, e.g. polycarbonate glazings
Definitions
- the present invention 1 includes an interlayer film for laminated glass that contains an aromatic compound such as a salicylic acid compound and a benzophenone compound, but is not colored, an interlayer film for light-emitting laminated glass, and a laminated glass including the interlayer film for laminated glass About.
- the present invention 2 displays a high-brightness image by being irradiated with light, and can suppress a decrease in the brightness of the image even when used for a long period of time.
- the present invention relates to a laminated glass including an interlayer film.
- Laminated glass is safe because it does not scatter glass fragments even if it is damaged by an external impact, so it can be used as a windshield, side glass, rear glass for vehicles such as automobiles, and window glass for aircraft, buildings, etc. Widely used.
- the laminated glass include a laminated glass obtained by integrating an interlayer film for laminated glass including a liquid plasticizer and a polyvinyl acetal resin between at least a pair of glasses.
- HUD head-up display
- Patent Document 1 proposes an interlayer film for wedge-shaped laminated glass having a predetermined wedge angle, and HUD's that the instrument display looks double in laminated glass. It has been proposed to solve the drawbacks.
- Patent Document 2 discloses a laminated glass in which an intermediate layer containing hydroxyterephthalate is laminated between two transparent plates.
- the laminated glass described in Patent Document 2 can display an image with high contrast when irradiated with light.
- the present inventors examined aromatic compounds such as salicylic acid compounds and benzophenone compounds as light emitting materials. As a result, it was confirmed that by using an aromatic compound such as a salicylic acid-based compound or a benzophenone-based compound as a light-emitting material, an image with high contrast can be displayed when irradiated with light.
- an interlayer film for laminated glass produced using such an aromatic compound as a light emitting material has a problem that coloring is observed. It has also been found that such a problem is not limited to the light emitting material but is a problem that occurs in common when an interlayer film for laminated glass is produced using a certain kind of aromatic compound.
- the present inventors have also studied an interlayer film for laminated glass having a light emitting layer containing a thermoplastic resin and a light emitting material having a terephthalate structure. As a result, it was confirmed that by using a light emitting material having a terephthalic acid ester structure as a light emitting material, an image with high contrast can be displayed when irradiated with light.
- a light emitting material having a terephthalic acid ester structure as a light emitting material
- an image with high contrast can be displayed when irradiated with light.
- an interlayer film for laminated glass is used as a HUD, it has been found that there is a problem that the luminance of the image is lowered with the lapse of time even if a high-luminance image can be initially displayed.
- Invention 1 includes an interlayer film for laminated glass that contains an aromatic compound such as a salicylic acid-based compound and a benzophenone-based compound, but is not colored, an interlayer film for light-emitting laminated glass, and a laminated film including the interlayer film for laminated glass
- the object is to provide glass.
- the present invention 2 displays a high-brightness image by being irradiated with light, and can suppress a decrease in the brightness of the image even when used for a long period of time. It aims at providing the laminated glass containing an intermediate film.
- the present invention 1 is an interlayer film for laminated glass comprising a thermoplastic resin, an aromatic compound having a structure coordinated to a metal, and an antioxidant, wherein the antioxidant comprises a phenol compound, a phosphate compound, and It is an interlayer film for laminated glass which is at least one kind of antioxidant selected from the group consisting of sulfur compounds.
- the present invention 1 will be described in detail below.
- the interlayer film for laminated glass containing an aromatic compound such as a salicylic acid compound or a benzophenone compound is colored due to the reaction between these aromatic compounds and a metal.
- the interlayer film for laminated glass contains a metal derived from impurities in the thermoplastic resin as a raw material and a metal derived from a metal salt added as an adhesive strength modifier. Since aromatic compounds such as salicylic acid compounds and benzophenone compounds all have a structure coordinated to a metal, it was thought that the aromatic compound and the metal reacted and colored. Such coloring is promoted by heating. As a result of further intensive studies, the present inventors have found that such coloring can be suppressed by combining specific antioxidants, and have completed the present invention 1.
- the interlayer film for laminated glass of the first invention contains a thermoplastic resin.
- the thermoplastic resin plays a role as a binder resin.
- the thermoplastic resin include polyvinylidene fluoride, polytetrafluoroethylene, vinylidene fluoride-hexafluoropropylene copolymer, polytrifluoride ethylene, acrylonitrile-butadiene-styrene copolymer, polyester, polyether, polyamide Polycarbonate, polyacrylate, polymethacrylate, polyvinyl chloride, polyethylene, polypropylene, polystyrene, polyvinyl acetal, ethylene-vinyl acetate copolymer and the like. Of these, polyvinyl acetal is preferred.
- the polyvinyl acetal is not particularly limited as long as it is a polyvinyl acetal obtained by acetalizing polyvinyl alcohol with an aldehyde, but polyvinyl butyral is preferable. Moreover, you may use together 2 or more types of polyvinyl acetal as needed.
- the preferable lower limit of the degree of acetalization of the polyvinyl acetal is 40 mol%, the preferable upper limit is 85 mol%, the more preferable lower limit is 60 mol%, and the more preferable upper limit is 75 mol%.
- the polyvinyl acetal has a preferred lower limit of the hydroxyl group content of 15 mol% and a preferred upper limit of 35 mol%.
- the hydroxyl group amount is 15 mol% or more, the interlayer film for laminated glass can be easily molded.
- the hydroxyl group amount is 35 mol% or less, handling of the interlayer film for laminated glass becomes easy.
- the degree of acetalization and the amount of hydroxyl groups can be measured in accordance with, for example, JIS K6728 “Testing method for polyvinyl butyral”.
- the polyvinyl acetal can be prepared by acetalizing polyvinyl alcohol with an aldehyde.
- the polyvinyl alcohol is usually obtained by saponifying polyvinyl acetate, and polyvinyl alcohol having a saponification degree of 70 to 99.8 mol% is generally used.
- the preferable lower limit of the polymerization degree of the polyvinyl alcohol is 500, and the preferable upper limit is 4000.
- the polymerization degree of the polyvinyl alcohol is 500 or more, the penetration resistance of the obtained laminated glass is increased.
- the polymerization degree of the polyvinyl alcohol is 4000 or less, the interlayer film for laminated glass can be easily molded.
- the minimum with a more preferable polymerization degree of the said polyvinyl alcohol is 1000, and a more preferable upper limit is 3600.
- the aldehyde is not particularly limited, but generally an aldehyde having 1 to 10 carbon atoms is preferably used.
- the aldehyde having 1 to 10 carbon atoms is not particularly limited.
- n-butyraldehyde, n-hexylaldehyde, and n-valeraldehyde are preferable, and n-butyraldehyde is more preferable.
- These aldehydes may be used alone or in combination of two or more.
- the interlayer film for laminated glass of the present invention 1 includes an aromatic compound having a structure coordinated to a metal.
- the aromatic compound having a structure coordinated to the metal includes those having a role as a light emitting material, and those having a role as an ultraviolet absorber, an antioxidant, or the like.
- the aromatic compound having a structure coordinated to a metal has a substituent having an unshared electron pair such as a hydroxyl group or a carboxy group, and the metal can be captured by the substituent.
- An aromatic compound is meant.
- the aromatic compound having a structure coordinated to the metal is a light emitting material, specifically, for example, a compound having a structure represented by the following general formula (1) or the following general formula (2) Examples thereof include compounds having a structure. These may be used alone or in combination of two or more.
- R 1 represents an organic group, and x is 1, 2, 3 or 4. Since the transparency of the interlayer film for laminated glass is further increased, x is preferably 1 or 2, more preferably a hydroxyl group at the 2-position or 5-position of the benzene ring, More preferably, it has a hydroxyl group at the 5-position.
- the organic group for R 1 is preferably a hydrocarbon group, more preferably a hydrocarbon group having 1 to 10 carbon atoms, still more preferably a hydrocarbon group having 1 to 5 carbon atoms, Particularly preferred is a hydrocarbon group having 1 to 3 carbon atoms.
- the hydrocarbon group is preferably an alkyl group.
- Examples of the compound having the structure represented by the general formula (1) include diethyl-2,5-dihydroxyterephthalate, dimethyl-2, 5-dihydroxyterephthalate and the like.
- R 2 represents an organic group
- R 3 and R 4 represent a hydrogen atom or an organic group
- y is 1, 2, 3, or 4.
- the organic group for R 2 is preferably a hydrocarbon group, more preferably a hydrocarbon group having 1 to 10 carbon atoms, still more preferably a hydrocarbon group having 1 to 5 carbon atoms, Particularly preferred is a hydrocarbon group having 1 to 3 carbon atoms.
- the hydrocarbon group is preferably an alkyl group.
- NR 3 R 4 is an amino group.
- R 3 and R 4 are preferably hydrogen atoms.
- one hydrogen atom may be the amino group, and two hydrogen atoms may be the amino, Three hydrogen atoms may be the amino group, and four hydrogen atoms may be the amino group.
- Examples of the compound having the structure represented by the general formula (2) include diethyl-2,5-diaminoterephthalate.
- the content of the aromatic compound having a structure coordinated with the metal is not particularly limited.
- the preferable lower limit with respect to 100 parts by weight of the thermoplastic resin is 0.001 part by weight
- the preferable upper limit is 10 parts by weight.
- the content of the aromatic compound having a structure coordinated to the metal is 0.001 part by weight or more, an image with much higher contrast can be displayed by irradiation with light.
- the content of the aromatic compound having a structure coordinated to the metal is 10 parts by weight or less, the transparency of the interlayer film for laminated glass is further enhanced.
- the more preferable lower limit of the content of the aromatic compound having a structure coordinated to the metal is 0.005 parts by weight
- the more preferable upper limit is 5 parts by weight
- the still more preferable lower limit is 0.01 parts by weight
- the still more preferable upper limit is 2 parts by weight.
- Parts, particularly preferred lower limit is 0.1 parts by weight
- particularly preferred upper limit is 1.5 parts by weight.
- the interlayer film for laminated glass of the present invention 1 contains at least one antioxidant selected from the group consisting of phenolic compounds, phosphoric acid compounds, and sulfur compounds. By blending these antioxidants, an interlayer film for laminated glass having no color can be obtained.
- phenol compound examples include 2,6-di-t-butyl-p-cresol (BHT), butylated hydroxyanisole (BHA), 2,6-di-t-butyl-4-ethylphenol, stearyl- ⁇ - (3,5-di-t-butyl-4-hydroxyphenyl) propionate, 2,2′-methylenebis- (4-methyl-6-butylphenol), 2,2′-methylenebis- (4-ethyl-6) -T-butylphenol), 4,4'-butylidene-bis- (3-methyl-6-t-butylphenol), 1,1,3-tris- (2-methyl-hydroxy-5-t-butylphenyl) butane Tetrakis [methylene-3- (3 ′, 5′-butyl-4-hydroxyphenyl) propionate] methane, 1,3,3-tris- (2-methyl-4-hydride) Xyl-5-tert-butylphenol) butane, 1,3,5-trimethyl
- Examples of the phosphoric acid compound include trisnonylphenyl phosphite, tridecyl phosphite, 2-ethyl-2-butylpropylene-4,6-tritert-butylphenol phosphite, 9,10-dihydro-9-oxa- 10-phosphaphenanthrene, tetra (tridecyl) isopropylidenediphenol diphosphite, tris [2-tert-butyl-4- (3-tert-hydroxy-5-methylphenylthio) -5-methylphenyl] phos Fight etc. are mentioned.
- sulfur compounds examples include dialkylthiodipropionates such as dilauryl thiodipropionate, dimyristyl thiodipropionate, and distearyl thiodipropionate, and pentaerythritol tetra ( ⁇ -dodecyl mercaptopropionate). Examples thereof include ⁇ -alkyl mercaptopropionic esters of polyols.
- phenolic compounds are preferred because of their high coloration inhibiting power.
- the preferred lower limit of the blending amount of the antioxidant to 1 part by weight of the aromatic compound having a structure coordinated with the metal is 0.05 parts by weight, and the preferred upper limit is 400 parts by weight. It is. When the content of the antioxidant is within this range, coloring of the interlayer film for laminated glass can be reliably prevented.
- the interlayer film for laminated glass according to the first aspect of the invention includes a potassium salt as an adhesive force regulator.
- the interlayer film for laminated glass contains a compound containing magnesium element as an adhesive force regulator.
- the interlayer film for laminated glass may be discolored.
- a potassium salt not only can the adhesive force between the interlayer film for laminated glass and the glass be easily controlled, but also the discoloration of the interlayer film for laminated glass can be suppressed.
- the potassium salt is not particularly limited, but is preferably a potassium salt of an organic acid having 1 to 16 carbon atoms, more preferably a potassium salt of an organic acid having 2 to 16 carbon atoms, and 1 to 16 carbon atoms.
- a potassium salt of a carboxylic acid is more preferable, and a potassium salt of a carboxylic acid having 2 to 16 carbon atoms is particularly preferable.
- the potassium salt of the carboxylic acid having 1 to 16 carbon atoms is not particularly limited, and examples thereof include potassium formate, potassium acetate, potassium propionate, potassium 2-ethylbutanoate, potassium 2-ethylhexanoate and the like.
- the carboxylic acid having 1 to 16 carbon atoms is preferably a carboxylic acid having 12 or less carbon atoms, more preferably a carboxylic acid having 10 or less carbon atoms, and further a carboxylic acid having 8 or less carbon atoms. preferable.
- content of the said potassium salt is not specifically limited,
- the preferable minimum with respect to 100 weight part of said thermoplastic resins is 0.001 weight part, and a preferable upper limit is 0.5 weight part.
- a preferable upper limit is 0.5 weight part.
- the content of the potassium salt is 0.001 part by weight or more, the penetration resistance of the laminated glass is increased.
- the content of the potassium salt is 0.5 parts by weight or less, the transparency of the interlayer film for laminated glass increases.
- the more preferred lower limit of the content of the potassium salt is 0.015 parts by weight, the more preferred upper limit is 0.25 parts by weight, the still more preferred lower limit is 0.02 parts by weight, and the still more preferred upper limit is 0.2 parts by weight. Is 0.025 part by weight, and a particularly preferred upper limit is 0.1 part by weight.
- the content of potassium element is preferably 400 ppm or less, more preferably 300 ppm or less, still more preferably 250 ppm or less, It is particularly preferably 200 ppm or less, and most preferably 180 ppm or less. Since the moisture resistance of the obtained interlayer film for laminated glass is increased, the content of potassium element is most preferably 100 ppm or less.
- the potassium element may be contained as potassium derived from a potassium salt, or may be contained as potassium derived from a neutralizing agent used when a thermoplastic resin such as polyvinyl acetal is synthesized.
- the preferable lower limit of the content of potassium element in the interlayer film for laminated glass of the present invention 1 is 30 ppm, the more preferable lower limit is 40 ppm, the still more preferable lower limit is 80 ppm, and the particularly preferable lower limit is 120 ppm.
- the interlayer film for laminated glass of the present invention 1 may contain a magnesium salt as an adhesive strength adjusting agent as long as the solution of the problem of the present invention 1 is not hindered.
- the magnesium salt is not particularly limited, but is preferably a magnesium salt of an organic acid having 2 to 16 carbon atoms, and more preferably a magnesium salt of a carboxylic acid having 2 to 16 carbon atoms.
- the magnesium salt of a carboxylic acid having 2 to 16 carbon atoms is not particularly limited, and examples thereof include magnesium acetate, magnesium propionate, magnesium 2-ethylbutanoate, magnesium 2-ethylhexanoate and the like.
- the magnesium salt of a carboxylic acid having 2 to 16 carbon atoms is preferably magnesium acetate because the adhesive force between the interlayer film for laminated glass and the glass can be more easily controlled.
- content of the said magnesium salt is not specifically limited,
- the preferable minimum with respect to 100 weight part of the said thermoplastic resins is 0.02 weight part, and a preferable upper limit is 0.5 weight part.
- a preferable upper limit is 0.5 weight part.
- the content of the magnesium salt is 0.02 parts by weight or more, the penetration resistance of the laminated glass is increased.
- the content of the magnesium salt is 0.5 parts by weight or less, the transparency of the interlayer film for laminated glass increases.
- the more preferable lower limit of the magnesium salt content is 0.03 parts by weight, the more preferable upper limit is 0.2 parts by weight, the still more preferable lower limit is 0.04 parts by weight, and the still more preferable upper limit is 0.1 parts by weight.
- the magnesium element content is preferably 80 ppm or less.
- the magnesium element may be contained as magnesium derived from a magnesium salt, or may be contained as magnesium derived from a neutralizing agent used when a thermoplastic resin such as polyvinyl acetal is synthesized.
- the preferable lower limit of the content of magnesium element in the interlayer film for laminated glass is 0 ppm, the more preferable upper limit is 75 ppm, the more preferable lower limit is 20 ppm, the still more preferable upper limit is 70 ppm, and the still more preferable lower limit is 30 ppm.
- the contents of the potassium element and the magnesium element can be measured with an ICP emission spectrometer (“ICPE-9000” manufactured by Shimadzu Corporation).
- the concentration of lithium element in the interlayer film for laminated glass of the present invention 1 is preferably 25 ppm or less.
- the more preferable lower limit of the concentration of lithium element in the interlayer film for laminated glass is 0 ppm, the more preferable upper limit is 20 ppm, the still more preferable lower limit is 1 ppm, and the further preferable upper limit is 10 ppm or less.
- the interlayer film for laminated glass of the present invention 1 further contains a dispersant.
- a dispersant is, for example, a compound having a sulfonic acid structure such as a linear alkylbenzene sulfonate, or an ester structure such as a diester compound, a ricinoleic acid alkyl ester, a phthalic acid ester, an adipic acid ester, a sebacic acid ester, or a phosphoric acid ester.
- Compounds having an ether structure such as polyoxyethylene glycol, polyoxypropylene glycol and alkylphenyl-polyoxyethylene-ether, compounds having a carboxylic acid structure such as polycarboxylic acid, laurylamine, dimethyllauryl
- Compounds having an amine structure such as amines, oleylpropylenediamine, secondary amines of polyoxyethylene, tertiary amines of polyoxyethylene, and diamines of polyoxyethylene
- polyalkylenepolyaminealkyleneoxy Dispersants such as compounds having a polyamine structure such as amides, compounds having an amide structure such as oleic acid diethanolamide and alkanol fatty acid amide, and compounds having a high molecular weight amide structure such as polyvinylpyrrolidone and polyester acid amide amine salts Can be used.
- high molecular weight dispersing agents such as polyoxyethylene alkyl ether phosphoric acid (salt), high molecular polycarboxylic acid, and condensed ricinoleic acid ester.
- the high molecular weight dispersant is defined as a dispersant having a molecular weight of 10,000 or more.
- the preferred lower limit of the content of the dispersant with respect to 100 parts by weight of the aromatic compound having a structure coordinated with the metal in the interlayer film for laminated glass is 1 part by weight, and the preferred upper limit is 50. Parts by weight.
- the aromatic compound having a structure coordinated with the metal can be uniformly dispersed in the interlayer film for laminated glass.
- the more preferable lower limit of the content of the dispersant is 3 parts by weight, the more preferable upper limit is 30 parts by weight, the still more preferable lower limit is 5 parts by weight, and the still more preferable upper limit is 25 parts by weight.
- the interlayer film for laminated glass of the present invention 1 may further contain a plasticizer as necessary.
- the plasticizer is not particularly limited, and examples thereof include organic ester plasticizers such as monobasic organic acid esters and polybasic organic acid esters, phosphoric acid plasticizers such as organic phosphoric acid plasticizers and organic phosphorous acid plasticizers, and the like. Is mentioned.
- the plasticizer is preferably a liquid plasticizer.
- the monobasic organic acid ester is not particularly limited.
- glycol such as triethylene glycol, tetraethylene glycol, tripropylene glycol, butyric acid, isobutyric acid, caproic acid, 2-ethylbutyric acid, heptylic acid, n-octyl
- glycol esters obtained by reaction with monobasic organic acids such as acid, 2-ethylhexyl acid, pelargonic acid (n-nonyl acid), and decyl acid.
- triethylene glycol dicaproate, triethylene glycol di-2-ethylbutyrate, triethylene glycol di-n-octylate, triethylene glycol di-2-ethylhexylate and the like are preferable.
- the polybasic organic acid ester is not particularly limited.
- an ester compound of a polybasic organic acid such as adipic acid, sebacic acid or azelaic acid and an alcohol having a linear or branched structure having 4 to 8 carbon atoms.
- dibutyl sebacic acid ester, dioctyl azelaic acid ester, dibutyl carbitol adipic acid ester and the like are preferable.
- the organic ester plasticizer is not particularly limited, and triethylene glycol di-2-ethylbutyrate, triethylene glycol di-2-ethylhexanoate, triethylene glycol dicaprylate, triethylene glycol di-n-octanoate, Triethylene glycol di-n-heptanoate, tetraethylene glycol di-n-heptanoate, tetraethylene glycol di-2-ethylhexanoate, dibutyl sebacate, dioctyl azelate, dibutyl carbitol adipate, ethylene glycol di-2-ethyl Butyrate, 1,3-propylene glycol di-2-ethyl butyrate, 1,4-butylene glycol di-2-ethyl butyrate, diethylene glycol di-2-ethyl butyrate, diethylene glycol di- -Ethylhexanoate, dipropylene glycol di-2-ethylbutyrate,
- the organophosphate plasticizer is not particularly limited, and examples thereof include tributoxyethyl phosphate, isodecylphenyl phosphate, triisopropyl phosphate, and the like.
- dihexyl adipate DHA
- triethylene glycol di-2-ethylhexanoate 3GO
- tetraethylene glycol di-2-ethylhexanoate 4GO
- the content of the plasticizer in the interlayer film for laminated glass of the first invention is not particularly limited, but a preferable lower limit with respect to 100 parts by weight of the thermoplastic resin is 20 parts by weight, and a preferable upper limit is 80 parts by weight.
- a preferable lower limit with respect to 100 parts by weight of the thermoplastic resin is 20 parts by weight, and a preferable upper limit is 80 parts by weight.
- the content of the plasticizer is 20 parts by weight or more, the melt viscosity of the interlayer film for laminated glass becomes low, so that the interlayer film for laminated glass can be easily formed.
- the content of the plasticizer is 80 parts by weight or less, the transparency of the interlayer film for laminated glass increases.
- the more preferred lower limit of the plasticizer content is 30 parts by weight, the more preferred upper limit is 70 parts by weight, the still more preferred lower limit is 35 parts by weight, and the still more preferred upper limit is 63 parts by weight.
- the interlayer film for laminated glass of the present invention 1 contains conventionally known additives such as an ultraviolet absorber, a light stabilizer, an antistatic agent, a blue pigment, a blue dye, a green pigment, and a green dye as necessary. Also good.
- Examples of the ultraviolet absorber include a compound having a malonic ester structure, a compound having an oxalic acid anilide structure, a compound having a benzotriazole structure, a compound having a benzophenone structure, a compound having a triazine structure, a compound having a benzoate structure, and a hindered amine
- Examples include ultraviolet absorbers such as compounds having a structure.
- a content of the benzotriazole-based UV absorber is used with respect to 1 part by weight of an aromatic compound having a structure coordinated to the metal, using a benzotriazole-based UV absorber as the UV absorber. Is preferably 0.05 to 10 parts by weight.
- the interlayer film for laminated glass of the present invention 1 is particularly preferably used as an interlayer film for luminescent laminated glass.
- the intermediate film for light-emitting laminated glass including the intermediate film for laminated glass of the present invention 1 is also one of the present inventions 1.
- the intermediate film for light-emitting laminated glass of the present invention 1 emits light when irradiated with light having a specific wavelength. By utilizing this property, information can be displayed with high luminance.
- a spot light source manufactured by Hamamatsu Photonics, LC-8
- a xenon flash lamp manufactured by Heraeus, CW lamp
- a black light manufactured by Inoue Seieido
- Carry hand for example, a spot light source (manufactured by Hamamatsu Photonics, LC-8), a xenon flash lamp (manufactured by Heraeus, CW lamp), a black light (manufactured by Inoue Seieido) , Carry hand) and the like.
- the interlayer film for light-emitting laminated glass of the present invention 1 may be a single-layer interlayer film, and the interlayer film for laminated glass of the present invention 1 is used as a light-emitting layer and disposed on one surface of the light-emitting layer and the light-emitting layer. It may be a multilayer intermediate film having a first resin layer.
- the light emitting layer may be disposed on the entire surface of the intermediate film for luminescent laminated glass of the present invention 1, or may be disposed only in part, and the thickness of the intermediate film for luminescent laminated glass of the present invention 1
- the direction may be arranged on the entire surface in the vertical plane direction, or may be arranged only in part. In the case where the light emitting layer is arranged only in part, information can be displayed only in the light emitting area, with the part as a light emitting area and the other part as a non-light emitting area.
- a first resin layer may be laminated on one surface of the light emitting layer.
- the first resin layer preferably includes polyvinyl acetal, more preferably includes polyvinyl acetal and a plasticizer, and further preferably includes polyvinyl acetal, a plasticizer, and an adhesive force regulator.
- other layers may be laminated. Examples of the other layer include a layer containing a thermoplastic resin such as polyethylene terephthalate and polyvinyl acetal.
- the other layer may be an ultraviolet blocking layer containing an ultraviolet absorber. As the ultraviolet absorber used in the ultraviolet blocking layer, the ultraviolet absorber used in the light emitting layer described above can be used.
- the polyvinyl acetal contained in the first resin layer can be used as the polyvinyl acetal contained in the first resin layer.
- the polyvinyl acetal contained in the first resin layer and the polyvinyl acetal contained in the light emitting layer may be the same or different.
- the plasticizer contained in the first resin layer may be the same as or different from the plasticizer contained in the light emitting layer.
- the first resin layer preferably contains an adhesive strength modifier.
- the adhesive strength modifier is not particularly limited, and is preferably a metal salt, and is preferably at least one metal salt selected from the group consisting of alkali metal salts, alkaline earth metal salts, and magnesium salts.
- the metal salt preferably contains at least one metal selected from potassium and magnesium.
- the metal salt is more preferably an alkali metal salt of an organic acid having 2 to 16 carbon atoms or an alkaline earth metal salt of an organic acid having 2 to 16 carbon atoms, and a magnesium salt of a carboxylic acid having 2 to 16 carbon atoms.
- a potassium salt of a carboxylic acid having 2 to 16 carbon atoms is more preferable.
- the magnesium salt of the carboxylic acid having 2 to 16 carbon atoms and the potassium salt of the carboxylic acid having 2 to 16 carbon atoms are not particularly limited, and examples thereof include magnesium acetate, potassium acetate, magnesium propionate, potassium propionate, 2- Examples thereof include magnesium ethyl butanoate, potassium 2-ethylbutanoate, magnesium 2-ethylhexanoate, potassium 2-ethylhexanoate and the like.
- the content of the adhesive strength modifier is not particularly limited, but a preferable lower limit with respect to 100 parts by weight of the polyvinyl acetal is 0.0005 parts by weight, and a preferable upper limit is 0.05 parts by weight.
- the penetration resistance of laminated glass becomes high as content of the said adhesive force regulator is 0.0005 weight part or more.
- the content of the adhesion adjusting agent is 0.05 parts by weight or less, the transparency of the interlayer film for laminated glass is increased.
- the minimum with more preferable content of the said adhesive force regulator is 0.002 weight part, and a more preferable upper limit is 0.02 weight part.
- the total content of alkali metal, alkaline earth metal and magnesium in the first resin layer is preferably 300 ppm or less.
- the alkali metal, alkaline earth metal, and magnesium may be included as a metal derived from the adhesive strength adjusting agent, or may be included as a metal derived from a neutralizing agent used when synthesizing polyvinyl acetal.
- the total content of alkali metal, alkaline earth metal and magnesium in the first resin layer is more preferably 200 ppm or less, further preferably 150 ppm or less, and particularly preferably 100 ppm or less.
- a heat ray absorbent is contained in any one layer or all of the light-emitting layer and the first resin layer. Also good. Alternatively, in addition to the light emitting layer and the first resin layer, a heat ray shielding layer containing a heat ray absorbent may be further laminated.
- the heat ray absorber is not particularly limited as long as it has the ability to shield infrared rays, but is tin-doped indium oxide (ITO) particles, antimony-doped tin oxide (ATO) particles, aluminum-doped zinc oxide (AZO) particles, indium-doped oxide. At least one selected from the group consisting of zinc (IZO) particles, tin-doped zinc oxide particles, silicon-doped zinc oxide particles, lanthanum hexaboride particles and cerium hexaboride particles is preferred.
- the interlayer film for luminescent laminated glass of the present invention 1 may further have a sound insulating layer for the purpose of improving the sound insulating performance.
- Sound insulation may be imparted to any one of the light emitting layer and the first resin layer to form a sound insulation layer, and a sound insulation layer may be further laminated in addition to the light emitting layer and the first resin layer.
- the sound insulation layer include a layer containing 50 to 80 parts by weight of the plasticizer with respect to 100 parts by weight of the thermoplastic resin.
- the sound insulation layer preferably contains polyvinyl acetal, and more preferably contains polyvinyl butyral.
- the polyvinyl acetal contained in the sound insulation layer preferably has a hydroxyl group content in the range of 20 to 28 mol%.
- the polyvinyl acetal contained in the sound insulation layer is polyvinyl acetal A having an acetyl group content of 8 to 30 mol%, an acetyl group content of more than 0 mol% and less than 5 mol%, and an acetalization degree of 70 to 85 mol%.
- polyvinyl acetal C having an acetyl group amount of 5 mol% or more and less than 8 mol% and an acetalization degree of 65 to 80 mol%.
- the intermediate film for luminescent laminated glass of the present invention for example, the light emitting layer (surface layer), the first resin layer (intermediate layer), and the light emitting layer (surface layer) are laminated in this order. preferable.
- the above light emitting layer as the surface layer of the light emitting laminated glass interlayer film, an intermediate film for laminated glass capable of displaying an image with high contrast and controlling the adhesiveness while suppressing discoloration can be obtained.
- the sound insulation performance to the first resin layer the sound insulation of the interlayer film for light-emitting laminated glass is improved.
- Content of the plasticizer contained in the first resin layer with respect to 100 parts by weight of the thermoplastic resin contained in the first resin layer in order to impart sound insulation performance to the interlayer film for light-emitting laminated glass of the first invention is greater than the content of the plasticizer contained in the light emitting layer (hereinafter also referred to as content Y) with respect to 100 parts by weight of the thermoplastic resin contained in the light emitting layer.
- content X is preferably 5 parts by weight or more, more preferably 10 parts by weight or more, and even more preferably 15 parts by weight or more than the content Y.
- the difference between the content X and the content Y is preferably 50 parts by weight or less, more preferably 40 parts by weight or less. Preferably, it is 35 parts by weight or less.
- the light emitting layer and the first resin layer include the polyvinyl acetal and the plasticizer, and the light emitting layer is opposite to the one surface of the first resin layer and the one surface of the first resin layer.
- the amount of hydroxyl group of polyvinyl acetal contained in the first resin layer (hereinafter also referred to as hydroxyl amount X) is the amount of hydroxyl group of polyvinyl acetal contained in the light emitting layer (hereinafter referred to as It is also preferably lower than the hydroxyl amount Y).
- hydroxyl group amount X is lower than the hydroxyl group amount Y, it is possible to suppress the plasticizer contained in the first resin layer from moving to the light emitting layer. As a result, the sound insulation of the interlayer film for laminated glass can be increased.
- the hydroxyl group amount X is more preferably 1 mol% or more lower than the hydroxyl group amount Y, more preferably 3 mol% or less, and particularly preferably 5 mol% or more. Since it becomes easy to mold the interlayer film for laminated glass, the preferable upper limit of the difference between the hydroxyl group amount X and the hydroxyl group amount Y is 20 mol%, the more preferable upper limit is 15 mol%, and the more preferable upper limit is 12 mol%. A particularly preferred upper limit is 10 mol%.
- a layer for preventing migration of an aromatic compound having a structure coordinated to a plasticizer or a metal may be laminated between the light emitting layer and the first resin layer.
- the resin layer containing polyalkylene terephthalates, such as a polyethylene terephthalate, is mentioned, for example.
- the preferable lower limit of the hydroxyl group amount X is 10 mol%, the more preferable lower limit is 15 mol%, the still more preferable lower limit is 18 mol%, and the particularly preferable lower limit is 20 mol%.
- a preferable upper limit of the hydroxyl group amount X is 32 mol%, a more preferable upper limit is 30 mol%, a still more preferable upper limit is 28 mol%, and a particularly preferable upper limit is 25 mol%.
- the preferable lower limit of the hydroxyl group amount Y is 26 mol%, the more preferable lower limit is 28 mol%, the still more preferable lower limit is 30 mol%, the preferable upper limit is 40 mol%, the more preferable upper limit is 36 mol%, and the further preferable upper limit is 34 mol%.
- a particularly preferred upper limit is 32 mol%.
- the manufacturing method of the intermediate film for laminated glasses of this invention 1 or the intermediate film for light-emitting laminated glass is not specifically limited, For example, the aromatic compound which has the structure coordinated to the said plasticizer and the said metal, and the said antioxidant The method etc. which manufacture the intermediate film for laminated glasses using the plasticizer solution which mixed and the resin composition containing the said thermoplastic resin are mentioned. It is preferable to produce an interlayer film for laminated glass or an interlayer film for luminescent laminated glass by thoroughly mixing and extruding the obtained resin composition using an extruder.
- a plasticizer solution obtained by mixing the plasticizer, an aromatic compound having a structure coordinated with the metal, and the antioxidant, a resin composition containing the thermoplastic resin, the thermoplastic resin, and the above A multilayer intermediate film having a light emitting layer, a first resin layer, and a light emitting layer may be produced by co-extrusion with a resin composition containing a plasticizer.
- the laminated glass in which the interlayer film for laminated glass or the interlayer film for light-emitting laminated glass of the present invention 1 is laminated between a pair of glass plates is also one of the present invention 1.
- the said glass plate can use the transparent plate glass generally used. Examples thereof include inorganic glass such as float plate glass, polished plate glass, template glass, netted glass, wire-containing plate glass, colored plate glass, heat ray absorbing glass, heat ray reflecting glass, and green glass.
- the ultraviolet shielding glass in which the ultraviolet shielding coating layer was formed in the glass surface can be used, it is preferable to use as a glass plate opposite to the side irradiated with the light ray of a specific wavelength.
- organic glass plates such as polyethylene terephthalate, polycarbonate, and polyacrylate can be used as the glass plate.
- Two or more types of glass plates may be used as the glass plate.
- stacked the intermediate film for laminated glasses of this invention 1, or the intermediate film for light-emitting laminated glass between transparent float plate glass and colored glass plates like green glass is mentioned.
- the present invention 2 is an interlayer film for laminated glass having a light emitting layer containing a thermoplastic resin, a light emitting material having a terephthalic acid ester structure, and a benzotriazole ultraviolet absorber, and 1 weight of the light emitting material having the terephthalic acid ester structure
- the present invention 2 will be described in detail below.
- an interlayer film for laminated glass having a light emitting layer containing a thermoplastic resin and a light emitting material having a terephthalic acid ester structure is used as an HUD.
- the interlayer film for laminated glass continues to be exposed to strong sunlight for a long time.
- the light emission material having a terephthalic acid ester structure was modified or decomposed by ultraviolet rays, which caused a decrease in luminance.
- the combined use of an ultraviolet absorber is conceivable.
- the initial luminance may be lowered.
- the inventors of the present invention only when the benzotriazole-based ultraviolet absorber is blended at a specific blending ratio with respect to the light-emitting material having a terephthalate structure, without impairing the initial luminance, The present invention 2 was completed by finding that the decrease in luminance over time can be suppressed.
- the interlayer film for laminated glass of the present invention 2 may be a single-layer interlayer film including only the light emitting layer, and includes the light emitting layer and a first resin layer disposed on one surface of the light emitting layer. It may be a multilayer interlayer film.
- the light emitting layer includes a thermoplastic resin.
- the thermoplastic resin plays a role as a binder resin.
- the thermoplastic resin include polyvinylidene fluoride, polytetrafluoroethylene, vinylidene fluoride-hexafluoropropylene copolymer, polytrifluoride ethylene, acrylonitrile-butadiene-styrene copolymer, polyester, polyether, polyamide Polycarbonate, polyacrylate, polymethacrylate, polyvinyl chloride, polyethylene, polypropylene, polystyrene, polyvinyl acetal, ethylene-vinyl acetate copolymer and the like. Of these, polyvinyl acetal is preferred.
- the polyvinyl acetal is not particularly limited as long as it is a polyvinyl acetal obtained by acetalizing polyvinyl alcohol with an aldehyde, but polyvinyl butyral is preferable. Moreover, you may use together 2 or more types of polyvinyl acetal as needed.
- the preferable lower limit of the degree of acetalization of the polyvinyl acetal is 40 mol%, the preferable upper limit is 85 mol%, the more preferable lower limit is 60 mol%, and the more preferable upper limit is 75 mol%.
- the polyvinyl acetal has a preferred lower limit of the hydroxyl group content of 15 mol% and a preferred upper limit of 35 mol%.
- the hydroxyl group amount is 15 mol% or more, the interlayer film for laminated glass can be easily molded.
- the hydroxyl group amount is 35 mol% or less, handling of the interlayer film for laminated glass becomes easy.
- the degree of acetalization and the amount of hydroxyl groups can be measured in accordance with, for example, JIS K6728 “Testing method for polyvinyl butyral”.
- the polyvinyl acetal can be prepared by acetalizing polyvinyl alcohol with an aldehyde.
- the polyvinyl alcohol is usually obtained by saponifying polyvinyl acetate, and polyvinyl alcohol having a saponification degree of 70 to 99.8 mol% is generally used.
- the preferable lower limit of the polymerization degree of the polyvinyl alcohol is 500, and the preferable upper limit is 4000.
- the polymerization degree of the polyvinyl alcohol is 500 or more, the penetration resistance of the obtained laminated glass is increased.
- the polymerization degree of the polyvinyl alcohol is 4000 or less, the interlayer film for laminated glass can be easily molded.
- the minimum with a more preferable polymerization degree of the said polyvinyl alcohol is 1000, and a more preferable upper limit is 3600.
- the aldehyde is not particularly limited, but generally an aldehyde having 1 to 10 carbon atoms is preferably used.
- the aldehyde having 1 to 10 carbon atoms is not particularly limited.
- n-butyraldehyde, n-hexylaldehyde, and n-valeraldehyde are preferable, and n-butyraldehyde is more preferable.
- These aldehydes may be used alone or in combination of two or more.
- the light emitting layer includes a light emitting material having the terephthalic acid ester structure.
- the light emitting material having the terephthalic acid ester structure emits light when irradiated with light.
- the light beam is not particularly limited as long as the light emitting material having a terephthalic acid ester structure can be excited to emit light, and examples thereof include ultraviolet rays and infrared rays.
- Examples of the light emitting material having the terephthalic acid ester structure include a compound having a structure represented by the following general formula (1) and a compound having a structure represented by the following general formula (2). These may be used alone or in combination of two or more.
- R 1 represents an organic group, and x is 1, 2, 3 or 4. Since the transparency of the interlayer film for laminated glass is further increased, x is preferably 1 or 2, more preferably a hydroxyl group at the 2-position or 5-position of the benzene ring, More preferably, it has a hydroxyl group at the 5-position.
- the organic group for R 1 is preferably a hydrocarbon group, more preferably a hydrocarbon group having 1 to 10 carbon atoms, still more preferably a hydrocarbon group having 1 to 5 carbon atoms, Particularly preferred is a hydrocarbon group having 1 to 3 carbon atoms. When the hydrocarbon group has 10 or less carbon atoms, the light-emitting material having the terephthalate structure can be easily dispersed in the interlayer film for laminated glass.
- the hydrocarbon group is preferably an alkyl group.
- Examples of the compound having the structure represented by the general formula (1) include diethyl-2,5-dihydroxyterephthalate, dimethyl-2,5-dihydroxyterephthalate and the like. Among them, since an image with higher contrast can be displayed, the compound having the structure represented by the general formula (1) is diethyl-2,5-dihydroxyterephthalate (“Diethyl 2,5-dihydroxyterephthalate” manufactured by Aldrich). ”) Is preferred.
- R 2 represents an organic group
- R 3 and R 4 represent a hydrogen atom or an organic group
- y is 1, 2, 3, or 4.
- the organic group for R 2 is preferably a hydrocarbon group, more preferably a hydrocarbon group having 1 to 10 carbon atoms, still more preferably a hydrocarbon group having 1 to 5 carbon atoms, Particularly preferred is a hydrocarbon group having 1 to 3 carbon atoms.
- the hydrocarbon group is preferably an alkyl group.
- NR 3 R 4 is an amino group.
- R 3 and R 4 are preferably hydrogen atoms.
- one hydrogen atom may be the amino group, and two hydrogen atoms may be the amino, Three hydrogen atoms may be the amino group, and four hydrogen atoms may be the amino group.
- diethyl-2,5-diaminoterephthalate (manufactured by Aldrich) is preferable because an image with higher contrast can be displayed.
- the content of the light-emitting material having the terephthalic acid ester structure is not particularly limited, but a preferable lower limit with respect to 100 parts by weight of the thermoplastic resin is 0.001 part by weight, and a preferable upper limit is 5 parts by weight.
- a preferable lower limit with respect to 100 parts by weight of the thermoplastic resin is 0.001 part by weight
- a preferable upper limit is 5 parts by weight.
- the more preferable lower limit of the content of the light emitting material having the terephthalic acid ester structure is 0.005 parts by weight, the more preferable upper limit is 2 parts by weight, the still more preferable lower limit is 0.01 parts by weight, and the still more preferable upper limit is 1.5 parts by weight.
- a particularly preferred lower limit is 0.1 parts by weight, and a particularly preferred upper limit is 1 part by weight.
- the light emitting layer contains a benzotriazole-based ultraviolet absorber.
- a benzotriazole-based ultraviolet absorber By blending a certain range of benzotriazole ultraviolet absorbers with the light emitting material having the terephthalic acid ester structure, it is possible to suppress a decrease in luminance over time without impairing the initial luminance.
- benzotriazole-based ultraviolet absorber examples include 2,6-di-t-butyl-4-methylphenol, 2- (2H-Benzotriazol-2-yl) -4- (1,1,3,3-tetramethylbutyl). ) Phenol, 2- (2H-Benzotriazol-2-yl) -p-cresol, 2- (5-chloro-2H-benzotriazol-2-yl) -6-tert-butyl-4-methylphenol, and the like.
- the lower limit of the content of the benzotriazole-based ultraviolet absorber with respect to 1 part by weight of the light emitting material having the terephthalic acid ester structure is 0.05 part by weight, and the upper limit is 10 parts by weight.
- the content of the benzotriazole-based ultraviolet absorber is within this range, it is possible to suppress a decrease in luminance over time without impairing the initial luminance.
- the minimum with preferable content of the said benzotriazole type ultraviolet absorber is 0.4 weight part, and a preferable upper limit is 2 weight part.
- the light emitting layer preferably contains a HALS compound.
- the HALS compound means a hindered amine light stabilizer. Specifically, for example, Tetrakis (1,2,2,6,6-pentamethyl-4-piperidyl) butane-1,2,3 , 4-tetracarboxylate, Tetrakis (2,2,6,6-tetramethyl-4-piperidyl) butane-1,2,3,4-tetracarboxylate, Bis (1-undecanoxy-2,2,6,6-tetramethylperidin-4 -Yl) carbonate and the like.
- the content of the HALS compound is not particularly limited, but the lower limit of the HALS content with respect to 1 part by weight of the light emitting material having the terephthalic acid ester structure is 0.05 parts by weight, and the upper limit is 5 parts by weight.
- the light emitting layer preferably contains a potassium salt as an adhesive strength adjusting agent.
- the interlayer film for laminated glass contains a compound containing magnesium element as an adhesive force regulator.
- the interlayer film for laminated glass may be discolored.
- a potassium salt not only can the adhesive force between the light emitting layer and the glass be easily controlled, but also the discoloration of the light emitting layer can be suppressed.
- the potassium salt is not particularly limited, but is preferably a potassium salt of an organic acid having 1 to 16 carbon atoms, more preferably a potassium salt of an organic acid having 2 to 16 carbon atoms, and 1 to 16 carbon atoms.
- a potassium salt of a carboxylic acid is more preferable, and a potassium salt of a carboxylic acid having 2 to 16 carbon atoms is particularly preferable.
- the potassium salt of the carboxylic acid having 1 to 16 carbon atoms is not particularly limited, and examples thereof include potassium formate, potassium acetate, potassium propionate, potassium 2-ethylbutanoate, potassium 2-ethylhexanoate and the like.
- the carboxylic acid having 1 to 16 carbon atoms is preferably a carboxylic acid having 12 or less carbon atoms, more preferably a carboxylic acid having 10 or less carbon atoms, and further a carboxylic acid having 8 or less carbon atoms. preferable.
- content of the said potassium salt is not specifically limited,
- the preferable minimum with respect to 100 weight part of said thermoplastic resins is 0.001 weight part, and a preferable upper limit is 0.5 weight part.
- a preferable upper limit is 0.5 weight part.
- the content of the potassium salt is 0.001 part by weight or more, the penetration resistance of the laminated glass is increased.
- the content of the potassium salt is 0.5 parts by weight or less, the transparency of the interlayer film for laminated glass increases.
- the more preferred lower limit of the content of the potassium salt is 0.015 parts by weight, the more preferred upper limit is 0.25 parts by weight, the still more preferred lower limit is 0.02 parts by weight, and the still more preferred upper limit is 0.2 parts by weight. Is 0.025 part by weight, and a particularly preferred upper limit is 0.1 part by weight.
- the content of potassium element in the light emitting layer is preferably 400 ppm or less, more preferably 300 ppm or less, still more preferably 250 ppm or less, and 200 ppm. It is particularly preferable that the concentration is not more than 180 ppm, and most preferable is not more than 180 ppm. Since the moisture resistance of the light emitting layer is increased, the content of potassium element in the light emitting layer is most preferably 100 ppm or less.
- the potassium element may be contained as potassium derived from a potassium salt, or may be contained as potassium derived from a neutralizing agent used when a thermoplastic resin such as polyvinyl acetal is synthesized.
- the preferable lower limit of the content of potassium element in the light emitting layer is 30 ppm, the more preferable lower limit is 40 ppm, the still more preferable lower limit is 80 ppm, and the particularly preferable lower limit is 120 ppm.
- the said light emitting layer is a range which does not inhibit the solution of the subject of this invention 2, it may contain a magnesium salt as an adhesive force regulator.
- the magnesium salt is not particularly limited, but is preferably a magnesium salt of an organic acid having 2 to 16 carbon atoms, and more preferably a magnesium salt of a carboxylic acid having 2 to 16 carbon atoms.
- the magnesium salt of a carboxylic acid having 2 to 16 carbon atoms is not particularly limited, and examples thereof include magnesium acetate, magnesium propionate, magnesium 2-ethylbutanoate, magnesium 2-ethylhexanoate and the like.
- the magnesium salt of a carboxylic acid having 2 to 16 carbon atoms is preferably magnesium acetate because the adhesive force between the light emitting layer and the glass can be controlled more easily.
- content of the said magnesium salt is not specifically limited,
- the preferable minimum with respect to 100 weight part of the said thermoplastic resins is 0.02 weight part, and a preferable upper limit is 0.5 weight part.
- a preferable upper limit is 0.5 weight part.
- the content of the magnesium salt is 0.02 parts by weight or more, the penetration resistance of the laminated glass is increased.
- the content of the magnesium salt is 0.5 parts by weight or less, the transparency of the interlayer film for laminated glass increases.
- the more preferable lower limit of the magnesium salt content is 0.03 parts by weight, the more preferable upper limit is 0.2 parts by weight, the still more preferable lower limit is 0.04 parts by weight, and the still more preferable upper limit is 0.1 parts by weight.
- the content of magnesium element in the light emitting layer is preferably 80 ppm or less.
- the magnesium element may be contained as magnesium derived from a magnesium salt, or may be contained as magnesium derived from a neutralizing agent used when a thermoplastic resin such as polyvinyl acetal is synthesized.
- the preferable lower limit of the magnesium element content in the light emitting layer is 0 ppm, the more preferable upper limit is 75 ppm, the more preferable lower limit is 20 ppm, the still more preferable upper limit is 70 ppm, and the more preferable lower limit is 30 ppm.
- the contents of the potassium element and the magnesium element can be measured with an ICP emission spectrometer (“ICPE-9000” manufactured by Shimadzu Corporation).
- the concentration of the lithium element in the light emitting layer is preferably 25 ppm or less.
- a preferable lower limit of the concentration of lithium element in the light emitting layer is 0 ppm, a more preferable upper limit is 20 ppm, a more preferable lower limit is 1 ppm, and a further preferable upper limit is 10 ppm or less.
- the light emitting layer preferably further contains a dispersant.
- a dispersant is, for example, a compound having a sulfonic acid structure such as a linear alkylbenzene sulfonate, or an ester structure such as a diester compound, a ricinoleic acid alkyl ester, a phthalic acid ester, an adipic acid ester, a sebacic acid ester, or a phosphoric acid ester.
- Compounds having an ether structure such as polyoxyethylene glycol, polyoxypropylene glycol and alkylphenyl-polyoxyethylene-ether, compounds having a carboxylic acid structure such as polycarboxylic acid, laurylamine, dimethyllauryl
- Compounds having an amine structure such as amines, oleylpropylenediamine, secondary amines of polyoxyethylene, tertiary amines of polyoxyethylene, and diamines of polyoxyethylene
- polyalkylenepolyaminealkyleneoxy Dispersants such as compounds having a polyamine structure such as amides, compounds having an amide structure such as oleic acid diethanolamide and alkanol fatty acid amide, and compounds having a high molecular weight amide structure such as polyvinylpyrrolidone and polyester acid amide amine salts Can be used.
- high molecular weight dispersing agents such as polyoxyethylene alkyl ether phosphoric acid (salt), high molecular polycarboxylic acid, and condensed ricinoleic acid ester.
- the high molecular weight dispersant is defined as a dispersant having a molecular weight of 10,000 or more.
- the preferred lower limit of the content of the dispersant with respect to 100 parts by weight of the light emitting material having the terephthalic acid ester structure in the light emitting layer is 1 part by weight, and the preferred upper limit is 50 parts by weight.
- the content of the dispersing agent is within this range, the light emitting material having the terephthalic acid ester structure can be uniformly dispersed in the light emitting layer.
- the more preferable lower limit of the content of the dispersant is 3 parts by weight, the more preferable upper limit is 30 parts by weight, the still more preferable lower limit is 5 parts by weight, and the still more preferable upper limit is 25 parts by weight.
- the light emitting layer may further contain a plasticizer as necessary.
- the plasticizer is not particularly limited, and examples thereof include organic ester plasticizers such as monobasic organic acid esters and polybasic organic acid esters, phosphoric acid plasticizers such as organic phosphoric acid plasticizers and organic phosphorous acid plasticizers, and the like. Is mentioned.
- the plasticizer is preferably a liquid plasticizer.
- the monobasic organic acid ester is not particularly limited.
- glycol such as triethylene glycol, tetraethylene glycol, tripropylene glycol, butyric acid, isobutyric acid, caproic acid, 2-ethylbutyric acid, heptylic acid, n-octyl
- glycol esters obtained by reaction with monobasic organic acids such as acid, 2-ethylhexyl acid, pelargonic acid (n-nonyl acid), and decyl acid.
- triethylene glycol dicaproate, triethylene glycol di-2-ethylbutyrate, triethylene glycol di-n-octylate, triethylene glycol di-2-ethylhexylate and the like are preferable.
- the polybasic organic acid ester is not particularly limited.
- an ester compound of a polybasic organic acid such as adipic acid, sebacic acid or azelaic acid and an alcohol having a linear or branched structure having 4 to 8 carbon atoms.
- dibutyl sebacic acid ester, dioctyl azelaic acid ester, dibutyl carbitol adipic acid ester and the like are preferable.
- the organic ester plasticizer is not particularly limited, and triethylene glycol di-2-ethylbutyrate, triethylene glycol di-2-ethylhexanoate, triethylene glycol dicaprylate, triethylene glycol di-n-octanoate, Triethylene glycol di-n-heptanoate, tetraethylene glycol di-n-heptanoate, tetraethylene glycol di-2-ethylhexanoate, dibutyl sebacate, dioctyl azelate, dibutyl carbitol adipate, ethylene glycol di-2-ethyl Butyrate, 1,3-propylene glycol di-2-ethyl butyrate, 1,4-butylene glycol di-2-ethyl butyrate, diethylene glycol di-2-ethyl butyrate, diethylene glycol di- -Ethylhexanoate, dipropylene glycol di-2-ethylbutyrate,
- the organophosphate plasticizer is not particularly limited, and examples thereof include tributoxyethyl phosphate, isodecylphenyl phosphate, triisopropyl phosphate, and the like.
- dihexyl adipate DHA
- triethylene glycol di-2-ethylhexanoate 3GO
- tetraethylene glycol di-2-ethylhexanoate 4GO
- the preferable minimum with respect to 100 weight part of the said thermoplastic resins is 20 weight part, and a preferable upper limit is 80 weight part.
- the content of the plasticizer is 20 parts by weight or more, the melt viscosity of the interlayer film for laminated glass becomes low, so that the interlayer film for laminated glass can be easily formed.
- the content of the plasticizer is 80 parts by weight or less, the transparency of the interlayer film for laminated glass increases.
- the more preferred lower limit of the plasticizer content is 30 parts by weight, the more preferred upper limit is 70 parts by weight, the still more preferred lower limit is 35 parts by weight, and the still more preferred upper limit is 63 parts by weight.
- the said light emitting layer can acquire the outstanding light resistance, it is preferable to contain antioxidant.
- antioxidant as in the present invention 1, by selecting and blending at least one antioxidant selected from the group consisting of phenolic compounds, phosphate compounds and sulfur compounds, there is no coloration. An interlayer film for glass can be obtained.
- phenolic compounds are particularly suitable because of their high coloring suppression power.
- the antioxidant having the phenol structure is an antioxidant having a phenol skeleton.
- examples of the antioxidant having a phenol structure include 2,6-di-t-butyl-p-cresol (BHT), butylated hydroxyanisole (BHA), 2,6-di-t-butyl-4- Ethylphenol, stearyl- ⁇ - (3,5-di-t-butyl-4-hydroxyphenyl) propionate, 2,2′-methylenebis- (4-methyl-6-butylphenol), 2,2′-methylenebis- ( 4-ethyl-6-t-butylphenol), 4,4'-butylidene-bis- (3-methyl-6-t-butylphenol), 1,1,3-tris- (2-methyl-hydroxy-5-t -Butylphenyl) butane, tetrakis [methylene-3- (3 ′, 5′-butyl-4-hydroxyphenyl) propionate] methane, 1,3,3-tris- ( -Meth
- Examples of the phosphoric acid compound include trisnonylphenyl phosphite, tridecyl phosphite, 2-ethyl-2-butylpropylene-4,6-tritert-butylphenol phosphite, 9,10-dihydro-9-oxa- 10-phosphaphenanthrene, tetra (tridecyl) isopropylidenediphenol diphosphite, tris [2-tert-butyl-4- (3-tert-hydroxy-5-methylphenylthio) -5-methylphenyl] phos Fight etc. are mentioned.
- sulfur compounds examples include dialkylthiodipropionates such as dilauryl thiodipropionate, dimyristyl thiodipropionate, and distearyl thiodipropionate, and pentaerythritol tetra ( ⁇ -dodecyl mercaptopropionate). Examples thereof include ⁇ -alkyl mercaptopropionic esters of polyols.
- the preferable lower limit of the blending amount of the antioxidant with respect to 1 part by weight of the light emitting material having the terephthalic acid ester structure is 0.05 part by weight, and the preferable upper limit is 400 parts by weight.
- the content of the antioxidant is within this range, coloring of the interlayer film for laminated glass can be reliably prevented.
- the light emitting layer may contain conventionally known additives such as a light stabilizer, an antistatic agent, a blue pigment, a blue dye, a green pigment, and a green dye, if necessary.
- the thickness of the said light emitting layer is not specifically limited, A preferable minimum is 300 micrometers and a preferable upper limit is 2000 micrometers. When the thickness of the light emitting layer is within this range, light emission with sufficiently high contrast can be obtained when a light beam having a specific wavelength is irradiated.
- the more preferable lower limit of the thickness of the light emitting layer is 350 ⁇ m, and the more preferable upper limit is 1000 ⁇ m.
- the light emitting layer may be disposed on the entire surface of the interlayer film for laminated glass of the present invention 2, or may be disposed only on a part thereof, and is perpendicular to the thickness direction of the interlayer film for laminated glass of the present invention 2. It may be arranged on the entire surface in the surface direction, or may be arranged only in part. In the case where the light emitting layer is arranged only in part, information can be displayed only in the light emitting area, with the part as a light emitting area and the other part as a non-light emitting area.
- a first resin layer may be laminated on one surface of the light emitting layer.
- the first resin layer preferably includes polyvinyl acetal, more preferably includes polyvinyl acetal and a plasticizer, and further preferably includes polyvinyl acetal, a plasticizer, and an adhesive force regulator.
- other layers may be laminated. Examples of the other layer include a layer containing a thermoplastic resin such as polyethylene terephthalate and polyvinyl acetal.
- the other layer may be an ultraviolet blocking layer containing an ultraviolet absorber. As the ultraviolet absorber used in the ultraviolet blocking layer, the ultraviolet absorber used in the light emitting layer described above can be used.
- the polyvinyl acetal contained in the first resin layer can be used as the polyvinyl acetal contained in the first resin layer.
- the polyvinyl acetal contained in the first resin layer and the polyvinyl acetal contained in the light emitting layer may be the same or different.
- the plasticizer contained in the first resin layer may be the same as or different from the plasticizer contained in the light emitting layer.
- the first resin layer preferably contains an adhesive strength modifier.
- the adhesive strength modifier is not particularly limited, and is preferably a metal salt, and is preferably at least one metal salt selected from the group consisting of alkali metal salts, alkaline earth metal salts, and magnesium salts.
- the metal salt preferably contains at least one metal selected from potassium and magnesium.
- the metal salt is more preferably an alkali metal salt of an organic acid having 2 to 16 carbon atoms or an alkaline earth metal salt of an organic acid having 2 to 16 carbon atoms, and a magnesium salt of a carboxylic acid having 2 to 16 carbon atoms.
- a potassium salt of a carboxylic acid having 2 to 16 carbon atoms is more preferable.
- the magnesium salt of the carboxylic acid having 2 to 16 carbon atoms and the potassium salt of the carboxylic acid having 2 to 16 carbon atoms are not particularly limited, and examples thereof include magnesium acetate, potassium acetate, magnesium propionate, potassium propionate, 2- Examples thereof include magnesium ethyl butanoate, potassium 2-ethylbutanoate, magnesium 2-ethylhexanoate, potassium 2-ethylhexanoate and the like.
- the content of the adhesive strength modifier is not particularly limited, but a preferable lower limit with respect to 100 parts by weight of the polyvinyl acetal is 0.0005 parts by weight, and a preferable upper limit is 0.05 parts by weight.
- the penetration resistance of laminated glass becomes high as content of the said adhesive force regulator is 0.0005 weight part or more.
- the content of the adhesion adjusting agent is 0.05 parts by weight or less, the transparency of the interlayer film for laminated glass is increased.
- the minimum with more preferable content of the said adhesive force regulator is 0.002 weight part, and a more preferable upper limit is 0.02 weight part.
- the total content of alkali metal, alkaline earth metal and magnesium in the first resin layer is preferably 300 ppm or less.
- the alkali metal, alkaline earth metal, and magnesium may be included as a metal derived from the adhesive strength adjusting agent, or may be included as a metal derived from a neutralizing agent used when synthesizing polyvinyl acetal.
- the total content of alkali metal, alkaline earth metal and magnesium in the first resin layer is more preferably 200 ppm or less, further preferably 150 ppm or less, and particularly preferably 100 ppm or less.
- a heat ray absorbent may be contained in any one of the light emitting layer, the first resin layer, or all the layers. .
- a heat ray shielding layer containing a heat ray absorbent may be further laminated.
- the heat ray absorber is not particularly limited as long as it has the ability to shield infrared rays, but is tin-doped indium oxide (ITO) particles, antimony-doped tin oxide (ATO) particles, aluminum-doped zinc oxide (AZO) particles, indium-doped oxide. At least one selected from the group consisting of zinc (IZO) particles, tin-doped zinc oxide particles, silicon-doped zinc oxide particles, lanthanum hexaboride particles and cerium hexaboride particles is preferred.
- the interlayer film for laminated glass of the present invention 2 may further have a sound insulation layer for the purpose of improving the sound insulation performance.
- Sound insulation may be imparted to any one of the light emitting layer and the first resin layer to form a sound insulation layer, and a sound insulation layer may be further laminated in addition to the light emitting layer and the first resin layer.
- the sound insulation layer include a layer containing 50 to 80 parts by weight of the plasticizer with respect to 100 parts by weight of the thermoplastic resin.
- the sound insulation layer preferably contains polyvinyl acetal, and more preferably contains polyvinyl butyral.
- the polyvinyl acetal contained in the sound insulation layer preferably has a hydroxyl group content in the range of 20 to 28 mol%.
- the polyvinyl acetal contained in the sound insulation layer is polyvinyl acetal A having an acetyl group content of 8 to 30 mol%, an acetyl group content of more than 0 mol% and less than 5 mol%, and an acetalization degree of 70 to 85 mol%.
- polyvinyl acetal C having an acetyl group amount of 5 mol% or more and less than 8 mol% and an acetalization degree of 65 to 80 mol%.
- the light emitting layer (surface layer), the first resin layer (intermediate layer), and the light emitting layer (surface layer) are preferably laminated in this order.
- the light emitting layer as the surface layer of the interlayer film for laminated glass, an interlayer film for laminated glass capable of displaying an image with high contrast and controlling adhesiveness while suppressing discoloration can be obtained.
- the sound insulation of the interlayer film for laminated glass is improved.
- the content of the plasticizer contained in the first resin layer (hereinafter referred to as 100 parts by weight of the thermoplastic resin contained in the first resin layer) , Content X.) is preferably larger than the content of the plasticizer contained in the light emitting layer (hereinafter also referred to as content Y) with respect to 100 parts by weight of the thermoplastic resin contained in the light emitting layer.
- the content X is preferably 5 parts by weight or more, more preferably 10 parts by weight or more, and even more preferably 15 parts by weight or more than the content Y.
- the difference between the content X and the content Y is preferably 50 parts by weight or less, more preferably 40 parts by weight or less. Preferably, it is 35 parts by weight or less.
- the light emitting layer and the first resin layer include the polyvinyl acetal and the plasticizer, and the light emitting layer is opposite to the one surface of the first resin layer and the one surface of the first resin layer.
- the amount of hydroxyl group of polyvinyl acetal contained in the first resin layer (hereinafter also referred to as hydroxyl amount X) is the amount of hydroxyl group of polyvinyl acetal contained in the light emitting layer (hereinafter referred to as It is also preferably lower than the hydroxyl amount Y).
- hydroxyl group amount X is lower than the hydroxyl group amount Y, it is possible to suppress the plasticizer contained in the first resin layer from moving to the light emitting layer. As a result, the sound insulation of the interlayer film for laminated glass can be increased.
- the hydroxyl group amount X is more preferably 1 mol% or more lower than the hydroxyl group amount Y, more preferably 3 mol% or less, and particularly preferably 5 mol% or more. Since it becomes easy to mold the interlayer film for laminated glass, the preferable upper limit of the difference between the hydroxyl group amount X and the hydroxyl group amount Y is 20 mol%, the more preferable upper limit is 15 mol%, and the more preferable upper limit is 12 mol%. A particularly preferred upper limit is 10 mol%.
- a layer for preventing migration of a light emitting material having a plasticizer or a terephthalic acid ester structure may be laminated between the layer and the first resin layer.
- the resin layer containing polyalkylene terephthalates, such as a polyethylene terephthalate is mentioned, for example.
- the preferable lower limit of the hydroxyl group amount X is 10 mol%, the more preferable lower limit is 15 mol%, the still more preferable lower limit is 18 mol%, and the particularly preferable lower limit is 20 mol%.
- a preferable upper limit of the hydroxyl group amount X is 32 mol%, a more preferable upper limit is 30 mol%, a still more preferable upper limit is 28 mol%, and a particularly preferable upper limit is 25 mol%.
- the preferable lower limit of the hydroxyl group amount Y is 26 mol%, the more preferable lower limit is 28 mol%, the still more preferable lower limit is 30 mol%, the preferable upper limit is 40 mol%, the more preferable upper limit is 36 mol%, and the further preferable upper limit is 34 mol%.
- a particularly preferred upper limit is 32 mol%.
- the method for producing the interlayer film for laminated glass of the present invention 2 is not particularly limited.
- a plasticizer solution in which the plasticizer, the light-emitting material having the terephthalate structure, and the benzotriazole ultraviolet absorber are mixed and
- a method for producing an interlayer film for laminated glass using a resin composition containing the thermoplastic resin It is preferable to produce an interlayer film for laminated glass by thoroughly mixing and extruding the obtained resin composition using an extruder.
- a multilayer intermediate film having a light emitting layer, a first resin layer, and a light emitting layer may be produced by co-extrusion with a resin composition containing a plasticizer.
- the interlayer film for laminated glass of the present invention 2 has the light emitting layer, it emits light when irradiated with a light beam having a specific wavelength. By utilizing this property, information can be displayed with high luminance.
- a spot light source manufactured by Hamamatsu Photonics, LC-8
- a xenon flash lamp manufactured by Heraeus, CW lamp
- a black light manufactured by Inoue Seieido
- the laminated glass in which the interlayer film for laminated glass of the present invention 2 is laminated between a pair of glass plates is also one of the present invention 2.
- the said glass plate can use the transparent plate glass generally used. Examples thereof include inorganic glass such as float plate glass, polished plate glass, template glass, netted glass, wire-containing plate glass, colored plate glass, heat ray absorbing glass, heat ray reflecting glass, and green glass.
- inorganic glass such as float plate glass, polished plate glass, template glass, netted glass, wire-containing plate glass, colored plate glass, heat ray absorbing glass, heat ray reflecting glass, and green glass.
- the ultraviolet shielding glass in which the ultraviolet shielding coating layer was formed in the glass surface can be used, it is preferable to use as a glass plate opposite to the side irradiated with the light ray of a specific wavelength.
- organic glass plates such as polyethylene terephthalate, polycarbonate, and polyacrylate can be used as the glass plate.
- glass plate Two or more types of glass plates may be used as the glass plate.
- stacked the intermediate film for laminated glasses of this invention 2 between transparent float plate glass and the colored glass plate like green glass is mentioned.
- the interlayer film for laminated glass, the interlayer film for light-emitting laminated glass, and the interlayer film for laminated glass, which contain an aromatic compound such as a salicylic acid compound and a benzophenone compound, and is not colored, are provided.
- Including laminated glass can be provided.
- a laminated glass including an interlayer film for glass can be provided.
- Example 1 Polyvinyl butyral resin (polyvinyl butyral resin acetalized with n-butyraldehyde, average polymerization degree 1700, hydroxyl group content 29.5 mol%, acetylation degree 0.7 mol%, butyralization degree 68.5 mol% ) 0.5 parts by weight of diethyl 2,5-dihydroxyterephthalate (manufactured by Aldrich) as an aromatic compound having a structure coordinated to a metal and 100 parts by weight of 2,6-di-tert as an antioxidant 0.1 parts by weight of butyl-p-cresol and 0.2 parts by weight of 2- [2-hydroxy-3,5-bis (a, a-dimethylbenzyl) phenyl] -2H-benzotriazole as an ultraviolet absorber 40 parts by weight of triethylene glycol di-2-ethylhexanoate (3GO) as a plasticizer and potassium formate as an adhesive strength modifier Um (manufactured by Wako Pure Chemical Industries
- a transparent float plate glass having a thickness of 2.5 mm and an area of 100 mm ⁇ 100 mm, an intermediate film for laminated glass having an average thickness of 0.76 mm, and a transparent float plate glass having a thickness of 2.5 mm were laminated in this order, It fixed so that it might not shift using a tape.
- the obtained laminate was placed in a vacuum bag, and the inside of the vacuum bag was deaerated at room temperature (25 ° C.) at a reduced pressure of 933.2 hPa. Subsequently, while maintaining the deaerated state, the vacuum bag was heated to 100 ° C. and held for 20 minutes after the temperature reached 100 ° C.
- the laminated glass temporarily pressure-bonded by the vacuum bag method was pressure-bonded for 20 minutes under the conditions of 135 ° C. and pressure 1.2 MPa using an autoclave to obtain a laminated glass.
- Example 2 to 19, Comparative Example 1 An interlayer film for laminated glass and laminated glass were obtained in the same manner as in Example 1 except that the blending amounts of the aromatic compound having a structure coordinated to the metal and the antioxidant were as shown in Tables 1 and 2. Note that Irganox L57 (CIBA, octyl / butyldiphenylamine) was used as the antioxidant of Comparative Example 1.
- the difference of yellow index (yellow index after heating) ⁇ (initial yellow index) was calculated.
- the case where the obtained yellow index difference was less than 15 was evaluated as “ ⁇ ”, and the case where it was 15 or more was evaluated as “X”.
- Example 20 Polyvinyl butyral resin (polyvinyl butyral resin acetalized with n-butyraldehyde, average polymerization degree 1700, hydroxyl group content 30.8 mol%, acetylation degree 0.7 mol%, butyralization degree 68.5 mol% ) 0.5 parts by weight of diethyl 2,5-dihydroxyterephthalate (manufactured by Aldrich) as a luminescent material and 2- [2-hydroxy-3,5-bis (a, a) as an ultraviolet absorber with respect to 100 parts by weight -Dimethylbenzyl) phenyl] -2H-benzotriazole, 0.2 parts by weight of 2,6-di-tert-butyl-p-cresol as an antioxidant, and triethylene glycol di- 40 parts by weight of 2-ethylhexanoate (3GO) and potassium formate (manufactured by Wako Pure Chemical Industries, Ltd.) as an adhesive strength regulator Adding an amount
- a transparent float plate glass having a thickness of 2.5 mm, an interlayer film for laminated glass, and a transparent float plate glass having a thickness of 2.5 mm were laminated in this order and fixed using a heat-resistant tape so as not to be displaced.
- the obtained laminate was placed in a vacuum bag, and the inside of the vacuum bag was deaerated at room temperature (25 ° C.) at a reduced pressure of 933.2 hPa. Subsequently, while maintaining the deaerated state, the vacuum bag was heated to 100 ° C. and held for 20 minutes after the temperature reached 100 ° C. Thereafter, the vacuum bag was cooled by natural cooling, and it was confirmed that the temperature had dropped to 30 ° C., and the pressure was released to atmospheric pressure.
- the laminated glass temporarily pressure-bonded by the vacuum bag method was pressure-bonded for 20 minutes under the conditions of 135 ° C. and pressure 1.2 MPa using an autoclave to obtain a laminated glass.
- a laminated glass for the evaluation test shown below, two types of the laminated glass of 150 mm long x 150 mm wide and the laminated glass of 50 mm long x 50 mm wide were produced.
- Examples 21 to 35, Comparative Examples 2 and 3 An interlayer film for laminated glass and a laminated glass were obtained in the same manner as in Example 20 except that the blending amounts of the light emitting material and the ultraviolet absorber were changed as shown in Tables 4 and 5.
- Luminance Evaluation A high power xenon light source (manufactured by Asahi Spectroscopic Co., Ltd.) in which the obtained laminated glass having a length of 50 mm and a width of 50 mm was disposed at a position 10 cm away from the surface of the laminated glass in the dark room , “REX-250” (irradiation wavelength 405 nm), the surface of the laminated glass is irradiated with light, and the shortest distance from the surface of the laminated glass is 35 cm at an angle of 45 degrees from the surface of the laminated glass irradiated with light.
- REX-250 irradiation wavelength 405 nm
- the luminance was measured with a luminance meter (“SR-3AR” manufactured by Topcon Technohouse Co., Ltd.) arranged on the side irradiated with light.
- the obtained laminated glass having an area of 50 mm ⁇ 50 mm was irradiated with ultraviolet rays for 1000 hours using a JIS-UV tester (750 W, light source was quartz glass mercury lamp). After the ultraviolet irradiation, the luminance was measured by the same method as the initial luminance evaluation method. The ratio of the luminance after ultraviolet irradiation to the initial luminance (luminance after ultraviolet irradiation / initial luminance ⁇ 100) is calculated, and the case where the ratio is 50% or more is evaluated as “ ⁇ ”, and the case where it is less than 50% is evaluated as “ ⁇ ”. did.
- the interlayer film for laminated glass, the interlayer film for light-emitting laminated glass, and the interlayer film for laminated glass, which contain an aromatic compound such as a salicylic acid compound and a benzophenone compound, and is not colored, are provided.
- Including laminated glass can be provided.
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Abstract
Description
本発明2は、光線が照射されることにより、高輝度の画像を表示し、長期間使用しても画像の輝度の低下を抑制することができる合わせガラス用中間膜、及び、該合わせガラス用中間膜を含む合わせガラスに関する。
HUDとしては、これまでに数々の形態が開発されている。最も一般的なHUDとしてコントロールユニットから送信される速度情報等をインストゥルメンタル・パネルの表示ユニットからフロントガラスに反射させることにより、運転者がフロントガラスと同じ位置、すなわち、同一視野内で速度情報等を視認できるHUDがある。
HUD用の合わせガラス用中間膜として、例えば、特許文献1には、所定の楔角を有する楔形合わせガラス用中間膜等が提案されており、合わせガラスにおいて計器表示が二重に見えるというHUDの欠点を解決することが提案されている。
特許文献2には、2枚の透明板の間に、ヒドロキシテレフタレートを含む中間層が積層された合わせガラスが開示されている。特許文献2に記載された合わせガラスは、光線が照射されることにより、コントラストが高い画像を表示することができる。
本発明者らは、また、熱可塑性樹脂とテレフタル酸エステル構造を有する発光材料とを含む発光層を有する合わせガラス用中間膜を検討した。その結果、発光材料としてテレフタル酸エステル構造を有する発光材料を用いることにより、光線が照射されることにより、コントラストが高い画像を表示することができることを確認した。しかしながら、このような合わせガラス用中間膜をHUDとして用いた場合、当初は高輝度の画像を表示できても、経時により画像の輝度が低下してしまうという問題があることを見出した。
本発明2は、光線が照射されることにより、高輝度の画像を表示し、長期間使用しても画像の輝度の低下を抑制することができる合わせガラス用中間膜、及び、該合わせガラス用中間膜を含む合わせガラスを提供することを目的とする。
以下に本発明1を詳述する。
本発明者らは、更に鋭意検討の結果、特定の酸化防止剤を組み合わせることにより、このような着色を抑制できることを見出し、本発明1を完成した。
上記熱可塑性樹脂は、例えば、ポリフッ化ビニリデン、ポリテトラフルオロエチレン、フッ化ビニリデン-六フッ化プロピレン共重合体、ポリ三フッ化エチレン、アクリロニトリル-ブタジエン-スチレン共重合体、ポリエステル、ポリエーテル、ポリアミド、ポリカーボネート、ポリアクリレート、ポリメタクリレート、ポリ塩化ビニル、ポリエチレン、ポリプロピレン、ポリスチレン、ポリビニルアセタール、エチレン-酢酸ビニル共重合体等が挙げられる。なかでもポリビニルアセタールが好適である。
上記ポリビニルアセタールのアセタール化度の好ましい下限は40モル%、好ましい上限は85モル%であり、より好ましい下限は60モル%、より好ましい上限は75モル%である。
なお、上記アセタール化度及び水酸基量は、例えば、JIS K6728「ポリビニルブチラール試験方法」に準拠して測定できる。
上記ポリビニルアルコールの重合度の好ましい下限は500、好ましい上限は4000である。上記ポリビニルアルコールの重合度が500以上であると、得られる合わせガラスの耐貫通性が高くなる。上記ポリビニルアルコールの重合度が4000以下であると、合わせガラス用中間膜の成形が容易になる。上記ポリビニルアルコールの重合度のより好ましい下限は1000、より好ましい上限は3600である。
上記金属に配位する構造を有する芳香族化合物は、発光材料としての役割を有するもののほか、紫外線吸収剤や酸化防止剤等としての役割を有するものも含まれる。
なお、本明細書において金属に配位する構造を有する芳香族化合物とは、ヒドロキシル基やカルボキシ基等の非共有電子対を有する置換基を有し、該置換基により金属を捕捉することができる芳香族化合物を意味する。
上記R1の有機基は炭化水素基であることが好ましく、炭素数が1~10の炭化水素基であることがより好ましく、炭素数が1~5の炭化水素基であることが更に好ましく、炭素数が1~3の炭化水素基であることが特に好ましい。上記炭化水素基はアルキル基であることが好ましい。
上記R2の有機基は炭化水素基であることが好ましく、炭素数が1~10の炭化水素基であることがより好ましく、炭素数が1~5の炭化水素基であることが更に好ましく、炭素数が1~3の炭化水素基であることが特に好ましい。上記炭化水素基はアルキル基であることが好ましい。
上記一般式(2)中、NR3R4はアミノ基である。R3及びR4は、水素原子であることが好ましい。上記一般式(2)で表される構造を有する化合物のベンゼン環の水素原子のうち、一つの水素原子が上記アミノ基であってもよく、二つの水素原子が上記アミノであってもよく、三つの水素原子が上記アミノ基であってもよく、四つの水素原子が上記アミノ基であってもよい。
一般的に、合わせガラス用中間膜とガラスとの接着性を調整するために、合わせガラス用中間膜は、接着力調整剤としてマグネシウム元素を含む化合物を含有する。しかしながら、上記金属に配位する構造を有する芳香族化合物とマグネシウム元素を含む化合物とを併用すると、合わせガラス用中間膜が変色してしまうことがある。これに対して、カリウム塩を用いることにより、合わせガラス用中間膜とガラスとの接着力を容易に制御することができるだけでなく、合わせガラス用中間膜が変色することも抑制することができる。
本発明1の合わせガラス用中間膜の変色をより一層防止できることから、カリウム元素の含有量は400ppm以下であることが好ましく、300ppm以下であることがより好ましく、250ppm以下であることが更に好ましく、200ppm以下であることが特に好ましく、180ppm以下であることが最も好ましい。得られる合わせガラス用中間膜の耐湿性が高くなることから、カリウム元素の含有量は100ppm以下であることが最も好ましい。上記カリウム元素は、カリウム塩に由来するカリウムとして含んでもよく、ポリビニルアセタール等の熱可塑性樹脂を合成する際に用いる中和剤に由来するカリウムとして含んでもよい。本発明1の合わせガラス用中間膜中のカリウム元素の含有量の好ましい下限は30ppm、より好ましい下限は40ppm、更に好ましい下限は80ppm、特に好ましい下限は120ppmである。
本発明1の合わせガラス用中間膜の接着性をより一層容易に制御でき、変色をより一層抑制できることから、マグネシウム元素の含有量は80ppm以下であることが好ましい。上記マグネシウム元素は、マグネシウム塩に由来するマグネシウムとして含んでもよく、ポリビニルアセタール等の熱可塑性樹脂を合成する際に用いる中和剤に由来するマグネシウムとして含んでもよい。合わせガラス用中間膜中のマグネシウム元素の含有量の好ましい下限は0ppm、より好ましい上限は75ppm、より好ましい下限は20ppm、更に好ましい上限は70ppm、更に好ましい下限は30ppmである。なお、上記カリウム元素や上記マグネシウム元素の含有量は、ICP発光分析装置(島津製作所社製「ICPE-9000」)により測定することができる。
本発明1の発光性合わせガラス用中間膜は、特定の波長の光線を照射することにより発光する。この性質を利用することにより、高輝度で情報を表示することができる。
上記特定の波長の光線を照射するための装置として、例えば、スポット光源(浜松ホトニクス社製、LC-8)、キセノン・フラッシュランプ(ヘレウス社製、CWランプ)、ブラックライト(井内盛栄堂社製、キャリーハンド)等が挙げられる。
第1の樹脂層の耐湿性が高くなることから、第1の樹脂層中のアルカリ金属、アルカリ土類金属及びマグネシウムの含有量の合計は300ppm以下であることが好ましい。例えば、上記アルカリ金属、アルカリ土類金属及びマグネシウムは、上記接着力調整剤に由来する金属として含んでもよく、ポリビニルアセタールを合成する際に用いる中和剤に由来する金属として含んでもよい。第1の樹脂層中のアルカリ金属、アルカリ土類金属及びマグネシウムの含有量の合計は200ppm以下であることがより好ましく、150ppm以下であることが更に好ましく、100ppm以下であることが特に好ましい。
上記遮音層は、例えば、上記熱可塑性樹脂100重量部に対して上記可塑剤を50~80重量部含む層等が挙げられる。上記遮音層はポリビニルアセタールを含むことが好ましく、ポリビニルブチラールを含むことがより好ましい。上記遮音層に含まれる上記ポリビニルアセタールは、水酸基量が20~28モル%の範囲内であることが好ましい。上記遮音層に含まれる上記ポリビニルアセタールは、アセチル基量が8~30モル%であるポリビニルアセタールA、アセチル基量が0モル%を超え5モル%未満、かつアセタール化度が70~85モル%であるポリビニルアセタールB、又は、アセチル基量が5モル%以上8モル%未満、かつアセタール化度が65~80モル%であるポリビニルアセタールCであってもよい。
上記ガラス板は、一般に使用されている透明板ガラスを使用することができる。例えば、フロート板ガラス、磨き板ガラス、型板ガラス、網入りガラス、線入り板ガラス、着色された板ガラス、熱線吸収ガラス、熱線反射ガラス、グリーンガラス等の無機ガラスが挙げられる。また、ガラスの表面に紫外線遮蔽コート層が形成された紫外線遮蔽ガラスも用いることができるが、特定の波長の光線を照射する側とは反対のガラス板として用いることが好ましい。更に、上記ガラス板として、ポリエチレンテレフタレート、ポリカーボネート、ポリアクリレート等の有機プラスチックス板を用いることもできる。
上記ガラス板として、2種類以上のガラス板を用いてもよい。例えば、透明フロート板ガラスと、グリーンガラスのような着色されたガラス板との間に、本発明1の合わせガラス用中間膜又は発光性合わせガラス用中間膜を積層した合わせガラスが挙げられる。また、上記ガラス板として、2種以上の厚さの異なるガラス板を用いてもよい。
以下に本発明2を詳述する。
このような紫外線による影響を抑制する方法としては、紫外線吸収剤の併用が考えられる。しかしながら、発光層に紫外線吸収剤を配合した場合には、かえって初期の輝度低下をもたらしてしまうことがあった。本発明者らは、更に鋭意検討の結果、テレフタル酸エステル構造を有する発光材料に対して、ベンゾトリアゾール系紫外線吸収剤を特定の配合比で配合した場合にのみ、初期の輝度を損なうことなく、経時での輝度の低下を抑制できることを見出し、本発明2を完成した。
上記熱可塑性樹脂は、例えば、ポリフッ化ビニリデン、ポリテトラフルオロエチレン、フッ化ビニリデン-六フッ化プロピレン共重合体、ポリ三フッ化エチレン、アクリロニトリル-ブタジエン-スチレン共重合体、ポリエステル、ポリエーテル、ポリアミド、ポリカーボネート、ポリアクリレート、ポリメタクリレート、ポリ塩化ビニル、ポリエチレン、ポリプロピレン、ポリスチレン、ポリビニルアセタール、エチレン-酢酸ビニル共重合体等が挙げられる。なかでもポリビニルアセタールが好適である。
上記ポリビニルアセタールのアセタール化度の好ましい下限は40モル%、好ましい上限は85モル%であり、より好ましい下限は60モル%、より好ましい上限は75モル%である。
なお、上記アセタール化度及び水酸基量は、例えば、JIS K6728「ポリビニルブチラール試験方法」に準拠して測定できる。
上記ポリビニルアルコールの重合度の好ましい下限は500、好ましい上限は4000である。上記ポリビニルアルコールの重合度が500以上であると、得られる合わせガラスの耐貫通性が高くなる。上記ポリビニルアルコールの重合度が4000以下であると、合わせガラス用中間膜の成形が容易になる。上記ポリビニルアルコールの重合度のより好ましい下限は1000、より好ましい上限は3600である。
上記テレフタル酸エステル構造を有する発光材料は、光線が照射されることにより発光する。上記光線はテレフタル酸エステル構造を有する発光材料を励起し発光させることができれば特に限定されず、例えば、紫外線や赤外線等が挙げられる。
上記R1の有機基は炭化水素基であることが好ましく、炭素数が1~10の炭化水素基であることがより好ましく、炭素数が1~5の炭化水素基であることが更に好ましく、炭素数が1~3の炭化水素基であることが特に好ましい。上記炭化水素基の炭素数が10以下であると、上記テレフタル酸エステル構造を有する発光材料を合わせガラス用中間膜に容易に分散させることができる。上記炭化水素基はアルキル基であることが好ましい。
上記R2の有機基は炭化水素基であることが好ましく、炭素数が1~10の炭化水素基であることがより好ましく、炭素数が1~5の炭化水素基であることが更に好ましく、炭素数が1~3の炭化水素基であることが特に好ましい。上記炭化水素基の炭素数が上記上限以下であると、上記テレフタル酸エステル構造を有する発光材料を合わせガラス用中間膜に容易に分散させることができる。上記炭化水素基はアルキル基であることが好ましい。
上記一般式(2)中、NR3R4はアミノ基である。R3及びR4は、水素原子であることが好ましい。上記一般式(2)で表される構造を有する化合物のベンゼン環の水素原子のうち、一つの水素原子が上記アミノ基であってもよく、二つの水素原子が上記アミノであってもよく、三つの水素原子が上記アミノ基であってもよく、四つの水素原子が上記アミノ基であってもよい。
なお、本明細書においてHALS化合物とはヒンダードアミン系光安定剤を意味し、具体的には例えば、Tetrakis(1,2,2,6,6-pentamethyl-4-piperidyl)butane-1,2,3,4-tetracarboxylate、Tetrakis(2,2,6,6-tetramethyl-4-piperidyl)butane-1,2,3,4-tetracarboxylate、Bis(1-undecanoxy-2,2,6,6-tetramethylpiperidin-4-yl)carbonate等が挙げられる。
一般的に、合わせガラス用中間膜とガラスとの接着性を調整するために、合わせガラス用中間膜は、接着力調整剤としてマグネシウム元素を含む化合物を含有する。しかしながら、テレフタル酸エステル構造を有する発光材料とマグネシウム元素を含む化合物とを併用すると、合わせガラス用中間膜が変色してしまうことがある。これに対して、カリウム塩を用いることにより、発光層とガラスとの接着力を容易に制御することができるだけでなく、上記発光層が変色することも抑制することができる。
上記発光層の変色をより一層防止できることから、上記発光層中のカリウム元素の含有量は400ppm以下であることが好ましく、300ppm以下であることがより好ましく、250ppm以下であることが更に好ましく、200ppm以下であることが特に好ましく、180ppm以下であることが最も好ましい。上記発光層の耐湿性が高くなることから、上記発光層中のカリウム元素の含有量は100ppm以下であることが最も好ましい。上記カリウム元素は、カリウム塩に由来するカリウムとして含んでもよく、ポリビニルアセタール等の熱可塑性樹脂を合成する際に用いる中和剤に由来するカリウムとして含んでもよい。上記発光層中のカリウム元素の含有量の好ましい下限は30ppm、より好ましい下限は40ppm、更に好ましい下限は80ppm、特に好ましい下限は120ppmである。
本発明2の合わせガラス用中間膜の接着性をより一層容易に制御でき、変色をより一層抑制できることから、上記発光層中のマグネシウム元素の含有量は80ppm以下であることが好ましい。上記マグネシウム元素は、マグネシウム塩に由来するマグネシウムとして含んでもよく、ポリビニルアセタール等の熱可塑性樹脂を合成する際に用いる中和剤に由来するマグネシウムとして含んでもよい。上記発光層中のマグネシウム元素の含有量の好ましい下限は0ppm、より好ましい上限は75ppm、より好ましい下限は20ppm、更に好ましい上限は70ppm、更に好ましい下限は30ppmである。なお、上記カリウム元素や上記マグネシウム元素の含有量は、ICP発光分析装置(島津製作所社製「ICPE-9000」)により測定することができる。
第1の樹脂層の耐湿性が高くなることから、第1の樹脂層中のアルカリ金属、アルカリ土類金属及びマグネシウムの含有量の合計は300ppm以下であることが好ましい。例えば、上記アルカリ金属、アルカリ土類金属及びマグネシウムは、上記接着力調整剤に由来する金属として含んでもよく、ポリビニルアセタールを合成する際に用いる中和剤に由来する金属として含んでもよい。第1の樹脂層中のアルカリ金属、アルカリ土類金属及びマグネシウムの含有量の合計は200ppm以下であることがより好ましく、150ppm以下であることが更に好ましく、100ppm以下であることが特に好ましい。
上記遮音層は、例えば、上記熱可塑性樹脂100重量部に対して上記可塑剤を50~80重量部含む層等が挙げられる。上記遮音層はポリビニルアセタールを含むことが好ましく、ポリビニルブチラールを含むことがより好ましい。上記遮音層に含まれる上記ポリビニルアセタールは、水酸基量が20~28モル%の範囲内であることが好ましい。上記遮音層に含まれる上記ポリビニルアセタールは、アセチル基量が8~30モル%であるポリビニルアセタールA、アセチル基量が0モル%を超え5モル%未満、かつアセタール化度が70~85モル%であるポリビニルアセタールB、又は、アセチル基量が5モル%以上8モル%未満、かつアセタール化度が65~80モル%であるポリビニルアセタールCであってもよい。
上記特定の波長の光線を照射するための装置として、例えば、スポット光源(浜松ホトニクス社製、LC-8)、キセノン・フラッシュランプ(ヘレウス社製、CWランプ)、ブラックライト(井内盛栄堂社製、キャリーハンド)等が挙げられる。
上記ガラス板は、一般に使用されている透明板ガラスを使用することができる。例えば、フロート板ガラス、磨き板ガラス、型板ガラス、網入りガラス、線入り板ガラス、着色された板ガラス、熱線吸収ガラス、熱線反射ガラス、グリーンガラス等の無機ガラスが挙げられる。また、ガラスの表面に紫外線遮蔽コート層が形成された紫外線遮蔽ガラスも用いることができるが、特定の波長の光線を照射する側とは反対のガラス板として用いることが好ましい。更に、上記ガラス板として、ポリエチレンテレフタレート、ポリカーボネート、ポリアクリレート等の有機プラスチックス板を用いることもできる。
上記ガラス板として、2種類以上のガラス板を用いてもよい。例えば、透明フロート板ガラスと、グリーンガラスのような着色されたガラス板との間に、本発明2の合わせガラス用中間膜を積層した合わせガラスが挙げられる。また、上記ガラス板として、2種以上の厚さの異なるガラス板を用いてもよい。
本発明2によれば、光線が照射されることにより、輝度が高い画像を表示し、長期間使用しても画像の輝度の低下を抑制することができる合わせガラス用中間膜、及び、該合わせガラス用中間膜を含む合わせガラスを提供することができる。
ポリビニルブチラール樹脂(n-ブチルアルデヒドによりアセタール化されているポリビニルブチラール樹脂、平均重合度1700、水酸基の含有率29.5モル%、アセチル化度0.7モル%、ブチラール化度68.5モル%)100重量部に対し、金属に配位する構造を有する芳香族化合物として2,5-ジヒドロキシテレフタル酸ジエチル(Aldrich社製)を0.5重量部、酸化防止剤として2,6-ジ-tert-ブチル-p-クレゾールを0.1重量部、紫外線吸収剤として2-[2-ヒドロキシ-3,5-ビス(a,a-ジメチルベンジル)フェニル]-2H-ベンゾトリアゾールを0.2重量部、可塑剤としてトリエチレングリコールジ-2-エチルヘキサノエート(3GO)を40重量部、接着力調整剤としてギ酸カリウム(和光純薬工業社製)水溶液(水溶液中のカリウム濃度は3.65重量%)を合わせガラス用中間膜中のカリウム濃度が150ppmとなる量を添加し、ミキシングロールで充分に混練し、樹脂組成物を得た。
得られた樹脂組成物を押出機により押出して、平均厚み0.76mmの単層の合わせガラス用中間膜を得た。
得られた積層体を真空バッグに設置し、室温(25℃)で933.2hPaの減圧度にて真空バッグ内の脱気を行った。続いて、脱気状態を維持したまま、真空バッグを100℃まで昇温し、温度が100℃まで到達した後20分間保持した。その後、真空バッグを自然冷却により冷却し、温度が30℃まで低下したことを確認し、圧力を大気圧に開放した。
上記真空バッグ法により仮圧着された合わせガラスを、オートクレーブを用いて、135℃、圧力1.2MPaの条件で20分間圧着し、合わせガラスを得た。
金属に配位する構造を有する芳香族化合物及び酸化防止剤の配合量を表1、2のようにした以外は実施例1と同様に合わせガラス用中間膜及び合わせガラスを得た。
なお、比較例1の酸化防止剤は、イルガノックスL57(CIBA社製、オクチル/ブチルジフェニルアミン)を用いた。
実施例及び比較例で得られた合わせガラスについて、以下の方法で評価を行った。結果を表1、2に示した。
得られた合わせガラスについて、自記分光光度計(日立製作所製、U4100)を使用して、JIS K 7373(2006)に準拠し、初期イエローインデックスを測定した。一方、得られた合わせガラスを、100℃の温度下に336時間放置した。加熱後の合わせガラスについて、自記分光光度計(日立製作所製、U4100)を使用して、JIS K 7373(2006)に準拠し、加熱後イエローインデックスを求めた。
得られた合わせガラスについて、自記分光光度計(日立製作所社製、U4100)を使用して300~2500nm透過率を測定し、JIS R 3211(1998)に準拠して、380~780nmの可視光透過率を算出した。
得られた合わせガラスを-18℃±0.6℃の温度の環境下に16時間静置し、この合わせガラスの中央部を頭部が0.45kgのハンマーで打って、ガラスの粒径が6mm以下になるまで粉砕し、ガラスが部分剥離した後の膜の露出度を測定し、表3によりパンメル値を求めた。得られたパンメル値が2~7の場合を「○」、0、1又は8である場合を「×」と評価した。
ポリビニルブチラール樹脂(n-ブチルアルデヒドによりアセタール化されているポリビニルブチラール樹脂、平均重合度1700、水酸基の含有率30.8モル%、アセチル化度0.7モル%、ブチラール化度68.5モル%)100重量部に対し、発光材料として2,5-ジヒドロキシテレフタル酸ジエチル(Aldrich社製)を0.5重量部、紫外線吸収剤として2-[2-ヒドロキシ-3,5-ビス(a,a-ジメチルベンジル)フェニル]-2H-ベンゾトリアゾールを0.2重量部、酸化防止剤として2,6-ジ-tert-ブチル-p-クレゾールを0.2重量部、可塑剤としてトリエチレングリコールジ-2-エチルヘキサノエート(3GO)を40重量部、接着力調整剤としてギ酸カリウム(和光純薬工業社製)をカリウム濃度が150ppmとなる量を添加し、ミキシングロールで充分に混練し、樹脂組成物を得た。
得られた樹脂組成物を押出機により押出して、平均厚み0.76mmの単層の合わせガラス用中間膜を得た。
得られた積層体を真空バッグに設置し、室温(25℃)で933.2hPaの減圧度にて真空バッグ内の脱気を行った。続いて、脱気状態を維持したまま、真空バッグを100℃まで昇温し、温度が100℃まで到達した後20分間保持した。その後、真空バッグを自然冷却により冷却し、温度が30℃まで低下したことを確認し、圧力を大気圧に開放した。
上記真空バッグ法により仮圧着された合わせガラスを、オートクレーブを用いて、135℃、圧力1.2MPaの条件で20分間圧着し、合わせガラスを得た。
なお、合わせガラスとしては、以下に示す評価試験のために、縦150mm×横150mmの合わせガラスと、縦50mm×横50mmの合わせガラスの2種類を作製した。
発光材料及び紫外線吸収剤の配合量を表4、5のようにした以外は実施例20と同様に合わせガラス用中間膜及び合わせガラスを得た。
実施例及び比較例で得られた合わせガラスについて、以下の方法で評価を行った。結果を表4、5に示した。
得られた縦50mm×横50mmの合わせガラスを、暗室下にて、合わせガラスの面に対して垂直方向に10cm離れた位置に配置したHigh Powerキセノン光源(朝日分光社製、「REX-250」、照射波長405nm)から合わせガラスの全面へ光を照射し、光を照射した合わせガラスの面から45度の角度で、合わせガラスの面からの最短距離が35cmとなる位置であり、かつ光を照射した側に配置した輝度計(トプコンテクノハウス社製、「SR-3AR」)によって輝度を測定した。
得られた輝度が200cd/m2以上の場合を「○」と、輝度が200cd/m2未満の場合を「×」と評価した。
紫外線照射後、上記初期輝度の評価方法と同様の方法にて輝度を測定した。
初期輝度に対する紫外線照射後の輝度の比率(紫外線照射後の輝度/初期輝度×100)を算出し、該比率が50%以上の場合を「○」、50%未満の場合を「×」と評価した。
得られた縦50mm×横50mmの合わせガラスについて、自記分光光度計(日立製作所製、U4100)を使用して300~2500nm透過率を測定し、JIS R 3211(1998)に準拠して、380~780nmの可視光透過率を算出した。
得られた縦150mm×横150mmの合わせガラスを-18℃±0.6℃の温度の環境下に16時間静置し、この合わせガラスの中央部を頭部が0.45kgのハンマーで打って、ガラスの粒径が6mm以下になるまで粉砕し、ガラスが部分剥離した後の膜の露出度を測定し、表6によりパンメル値を求めた。得られたパンメル値が2~7の場合を「○」、0、1又は8である場合を「×」と評価した。
Claims (8)
- 熱可塑性樹脂、金属に配位する構造を有する芳香族化合物及び酸化防止剤を含む合わせガラス用中間膜であって、
前記酸化防止剤は、フェノール系化合物、リン酸系化合物及び硫黄系化合物からなる群より選択される少なくとも1種の酸化防止剤である
ことを特徴とする合わせガラス用中間膜。 - 熱可塑性樹脂100重量部に対して0.001~10重量部の金属に配位する構造を有する芳香族化合物を含有することを特徴とする請求項1の合わせガラス用中間膜。
- 金属と配位する構造を有する芳香族化合物1重量部に対する酸化防止剤の含有量が0.05~400重量部であることを特徴とする請求項1又は2記載の合わせガラス用中間膜。
- 請求項1、2又は3記載の合わせガラス用中間膜を含むことを特徴とする発光性合わせガラス用中間膜。
- 請求項1、2又は3記載の合わせガラス用中間膜又は請求項4記載の発光性合わせガラス用中間膜が、一対のガラス板に積層されていることを特徴とする合わせガラス。
- 熱可塑性樹脂、テレフタル酸エステル構造を有する発光材料及びベンゾトリアゾール系紫外線吸収剤を含む発光層を有する合わせガラス用中間膜であって、
前記テレフタル酸エステル構造を有する発光材料1重量部に対する前記ベンゾトリアゾール系紫外線吸収剤の含有量が0.05~10重量部である
ことを特徴とする合わせガラス用中間膜。 - 発光層におけるテレフタル酸エステル構造を有する発光材料1重量部に対するベンゾトリアゾール系紫外線吸収剤の含有量が0.4~2重量部であることを特徴とする請求項6記載の合わせガラス用中間膜。
- 請求項6又は7記載の合わせガラス用中間膜が、一対のガラス板の間に積層されていることを特徴とする合わせガラス。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15774358.4A EP3127883B1 (en) | 2014-03-31 | 2015-03-31 | Interlayer for laminated glass, interlayer for luminescent laminated glass, and laminated glass |
KR1020167021042A KR20160137959A (ko) | 2014-03-31 | 2015-03-31 | 합판 유리용 중간막, 발광성 합판 유리용 중간막 및 합판 유리 |
MX2016011723A MX2016011723A (es) | 2014-03-31 | 2015-03-31 | Capa intermedia para vidrio laminado, capa intermedia para vidrio laminado luminescente y vidrio laminado. |
US15/115,409 US20170001417A1 (en) | 2014-03-31 | 2015-03-31 | Interlayer for laminated glass, interlayer for luminescent laminated glass, and laminated glass |
CN201580006266.XA CN105939978A (zh) | 2014-03-31 | 2015-03-31 | 夹层玻璃用中间膜、发光性夹层玻璃用中间膜及夹层玻璃 |
RU2016134381A RU2678292C2 (ru) | 2014-03-31 | 2015-03-31 | Межслойный слой для многослойного стекла, межслойный слой для люминесцентного многослойного стекла и многослойное стекло |
JP2015521166A JP6475616B2 (ja) | 2014-03-31 | 2015-03-31 | 合わせガラス用中間膜、発光性合わせガラス用中間膜及び合わせガラス |
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JP2014-074806 | 2014-03-31 | ||
JP2014074806 | 2014-03-31 | ||
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US (1) | US20170001417A1 (ja) |
EP (1) | EP3127883B1 (ja) |
JP (3) | JP6475616B2 (ja) |
KR (1) | KR20160137959A (ja) |
CN (1) | CN105939978A (ja) |
MX (1) | MX2016011723A (ja) |
RU (1) | RU2678292C2 (ja) |
WO (1) | WO2015152277A1 (ja) |
Cited By (2)
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WO2023112889A1 (ja) * | 2021-12-13 | 2023-06-22 | 積水化学工業株式会社 | 合わせガラス用中間膜及び合わせガラス |
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CN107915889A (zh) * | 2017-12-21 | 2018-04-17 | 福建泓宝信塑胶科技有限公司 | 夹层玻璃用中间膜及含其的夹层玻璃 |
JPWO2020189786A1 (ja) * | 2019-03-20 | 2020-09-24 | ||
US11801667B2 (en) * | 2019-03-20 | 2023-10-31 | Sekisui Chemical Co., Ltd. | Thermoplastic film and laminated glass |
WO2020189780A1 (ja) * | 2019-03-20 | 2020-09-24 | 積水化学工業株式会社 | 合わせガラス用中間膜、及び合わせガラス |
US11926122B2 (en) * | 2019-04-03 | 2024-03-12 | Acr Ii Glass America Inc. | Luminescent glazing |
US11639085B2 (en) | 2019-10-02 | 2023-05-02 | Acr Ii Glass America Inc. | Luminescent glazings |
CN115943130A (zh) * | 2020-08-25 | 2023-04-07 | Agc株式会社 | 车辆用窗玻璃和车辆用窗玻璃系统 |
JP7154447B1 (ja) | 2021-12-13 | 2022-10-17 | 積水化学工業株式会社 | 合わせガラス用中間膜及び合わせガラス |
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- 2015-03-31 JP JP2015521166A patent/JP6475616B2/ja active Active
- 2015-03-31 MX MX2016011723A patent/MX2016011723A/es unknown
- 2015-03-31 CN CN201580006266.XA patent/CN105939978A/zh active Pending
- 2015-03-31 WO PCT/JP2015/060221 patent/WO2015152277A1/ja active Application Filing
- 2015-03-31 EP EP15774358.4A patent/EP3127883B1/en active Active
- 2015-03-31 KR KR1020167021042A patent/KR20160137959A/ko not_active Application Discontinuation
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Also Published As
Publication number | Publication date |
---|---|
EP3127883A4 (en) | 2018-05-30 |
RU2016134381A3 (ja) | 2018-08-20 |
JP6475616B2 (ja) | 2019-02-27 |
EP3127883B1 (en) | 2022-10-19 |
KR20160137959A (ko) | 2016-12-02 |
US20170001417A1 (en) | 2017-01-05 |
JP6982012B2 (ja) | 2021-12-17 |
RU2678292C2 (ru) | 2019-01-24 |
EP3127883A1 (en) | 2017-02-08 |
JP2019081698A (ja) | 2019-05-30 |
RU2016134381A (ru) | 2018-05-07 |
MX2016011723A (es) | 2016-12-12 |
JP2020176056A (ja) | 2020-10-29 |
JPWO2015152277A1 (ja) | 2017-04-13 |
CN105939978A (zh) | 2016-09-14 |
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