WO2015046453A1 - ポリイソシアネート混合物、ポリオール混合物、接着剤、及び積層フィルム - Google Patents
ポリイソシアネート混合物、ポリオール混合物、接着剤、及び積層フィルム Download PDFInfo
- Publication number
- WO2015046453A1 WO2015046453A1 PCT/JP2014/075690 JP2014075690W WO2015046453A1 WO 2015046453 A1 WO2015046453 A1 WO 2015046453A1 JP 2014075690 W JP2014075690 W JP 2014075690W WO 2015046453 A1 WO2015046453 A1 WO 2015046453A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polyol
- polyisocyanate
- adhesive
- mixture
- mass
- Prior art date
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- 239000005056 polyisocyanate Substances 0.000 title claims abstract description 106
- 229920001228 polyisocyanate Polymers 0.000 title claims abstract description 106
- 239000000853 adhesive Substances 0.000 title claims abstract description 80
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 80
- 239000000203 mixture Substances 0.000 title claims abstract description 36
- 229920005903 polyol mixture Polymers 0.000 title claims abstract description 30
- 150000003077 polyols Chemical class 0.000 claims abstract description 102
- 229920005862 polyol Polymers 0.000 claims abstract description 87
- -1 alicyclic amide compound Chemical class 0.000 claims abstract description 40
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- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims description 24
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 19
- 229920005906 polyester polyol Polymers 0.000 claims description 19
- 239000011347 resin Substances 0.000 claims description 19
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- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 16
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- 238000000576 coating method Methods 0.000 claims description 11
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- XUWHAWMETYGRKB-UHFFFAOYSA-N piperidin-2-one Chemical compound O=C1CCCCN1 XUWHAWMETYGRKB-UHFFFAOYSA-N 0.000 claims description 6
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- 229920006255 plastic film Polymers 0.000 claims description 5
- MNFORVFSTILPAW-UHFFFAOYSA-N azetidin-2-one Chemical compound O=C1CCN1 MNFORVFSTILPAW-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims description 2
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- 239000000126 substance Substances 0.000 abstract description 11
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- 238000010828 elution Methods 0.000 description 24
- 125000003118 aryl group Chemical group 0.000 description 18
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
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- 230000032683 aging Effects 0.000 description 6
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- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 3
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- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 3
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- OZJPLYNZGCXSJM-UHFFFAOYSA-N 5-valerolactone Chemical compound O=C1CCCCO1 OZJPLYNZGCXSJM-UHFFFAOYSA-N 0.000 description 2
- 239000004606 Fillers/Extenders Substances 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
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- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N Tetraethylene glycol, Natural products OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 description 1
- AUNAPVYQLLNFOI-UHFFFAOYSA-L [Pb++].[Pb++].[Pb++].[O-]S([O-])(=O)=O.[O-][Cr]([O-])(=O)=O.[O-][Mo]([O-])(=O)=O Chemical compound [Pb++].[Pb++].[Pb++].[O-]S([O-])(=O)=O.[O-][Cr]([O-])(=O)=O.[O-][Mo]([O-])(=O)=O AUNAPVYQLLNFOI-UHFFFAOYSA-L 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 125000004018 acid anhydride group Chemical group 0.000 description 1
- 238000012644 addition polymerization Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- VEZXCJBBBCKRPI-UHFFFAOYSA-N beta-propiolactone Chemical compound O=C1CCO1 VEZXCJBBBCKRPI-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000001055 blue pigment Substances 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000001058 brown pigment Substances 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 229930188620 butyrolactone Natural products 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- CJOBVZJTOIVNNF-UHFFFAOYSA-N cadmium sulfide Chemical compound [Cd]=S CJOBVZJTOIVNNF-UHFFFAOYSA-N 0.000 description 1
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 description 1
- 229910000020 calcium bicarbonate Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- MMCOUVMKNAHQOY-UHFFFAOYSA-N carbonoperoxoic acid Chemical class OOC(O)=O MMCOUVMKNAHQOY-UHFFFAOYSA-N 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- PMMYEEVYMWASQN-IMJSIDKUSA-N cis-4-Hydroxy-L-proline Chemical compound O[C@@H]1CN[C@H](C(O)=O)C1 PMMYEEVYMWASQN-IMJSIDKUSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 229910000152 cobalt phosphate Inorganic materials 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 1
- 229910001610 cryolite Inorganic materials 0.000 description 1
- 125000004956 cyclohexylene group Chemical group 0.000 description 1
- LNGJOYPCXLOTKL-UHFFFAOYSA-N cyclopentane-1,3-dicarboxylic acid Chemical compound OC(=O)C1CCC(C(O)=O)C1 LNGJOYPCXLOTKL-UHFFFAOYSA-N 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 1
- KORSJDCBLAPZEQ-UHFFFAOYSA-N dicyclohexylmethane-4,4'-diisocyanate Chemical compound C1CC(N=C=O)CCC1CC1CCC(N=C=O)CC1 KORSJDCBLAPZEQ-UHFFFAOYSA-N 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- PPSZHCXTGRHULJ-UHFFFAOYSA-N dioxazine Chemical compound O1ON=CC=C1 PPSZHCXTGRHULJ-UHFFFAOYSA-N 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000005003 food packaging material Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000001056 green pigment Substances 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- SAMYCKUDTNLASP-UHFFFAOYSA-N hexane-2,2-diol Chemical compound CCCCC(C)(O)O SAMYCKUDTNLASP-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- LDHBWEYLDHLIBQ-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide;hydrate Chemical compound O.[OH-].[O-2].[Fe+3] LDHBWEYLDHLIBQ-UHFFFAOYSA-M 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 1
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 1
- 235000010187 litholrubine BK Nutrition 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000006078 metal deactivator Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- AYLRODJJLADBOB-QMMMGPOBSA-N methyl (2s)-2,6-diisocyanatohexanoate Chemical compound COC(=O)[C@@H](N=C=O)CCCCN=C=O AYLRODJJLADBOB-QMMMGPOBSA-N 0.000 description 1
- 239000000983 mordant dye Substances 0.000 description 1
- ABMFBCRYHDZLRD-UHFFFAOYSA-N naphthalene-1,4-dicarboxylic acid Chemical compound C1=CC=C2C(C(=O)O)=CC=C(C(O)=O)C2=C1 ABMFBCRYHDZLRD-UHFFFAOYSA-N 0.000 description 1
- VAWFFNJAPKXVPH-UHFFFAOYSA-N naphthalene-1,6-dicarboxylic acid Chemical compound OC(=O)C1=CC=CC2=CC(C(=O)O)=CC=C21 VAWFFNJAPKXVPH-UHFFFAOYSA-N 0.000 description 1
- HRRDCWDFRIJIQZ-UHFFFAOYSA-N naphthalene-1,8-dicarboxylic acid Chemical compound C1=CC(C(O)=O)=C2C(C(=O)O)=CC=CC2=C1 HRRDCWDFRIJIQZ-UHFFFAOYSA-N 0.000 description 1
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 235000012736 patent blue V Nutrition 0.000 description 1
- DGBWPZSGHAXYGK-UHFFFAOYSA-N perinone Chemical compound C12=NC3=CC=CC=C3N2C(=O)C2=CC=C3C4=C2C1=CC=C4C(=O)N1C2=CC=CC=C2N=C13 DGBWPZSGHAXYGK-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 150000007519 polyprotic acids Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 229960000380 propiolactone Drugs 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 239000001054 red pigment Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 150000003346 selenoethers Chemical class 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- QXKXDIKCIPXUPL-UHFFFAOYSA-N sulfanylidenemercury Chemical compound [Hg]=S QXKXDIKCIPXUPL-UHFFFAOYSA-N 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- JOUDBUYBGJYFFP-FOCLMDBBSA-N thioindigo Chemical compound S\1C2=CC=CC=C2C(=O)C/1=C1/C(=O)C2=CC=CC=C2S1 JOUDBUYBGJYFFP-FOCLMDBBSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 235000013799 ultramarine blue Nutrition 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 239000000984 vat dye Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000012463 white pigment Substances 0.000 description 1
- NDKWCCLKSWNDBG-UHFFFAOYSA-N zinc;dioxido(dioxo)chromium Chemical compound [Zn+2].[O-][Cr]([O-])(=O)=O NDKWCCLKSWNDBG-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
- C08G18/807—Masked polyisocyanates masked with compounds having only one group containing active hydrogen with nitrogen containing compounds
- C08G18/8074—Lactams
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/285—Nitrogen containing compounds
- C08G18/2855—Lactams
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/333—Polymers modified by chemical after-treatment with organic compounds containing nitrogen
- C08G65/33348—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing isocyanate group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
Definitions
- the present invention relates to a urethane-based adhesive, a polyisocyanate mixture, a polyol mixture, and a laminated film obtained by laminating various films using the adhesive. More specifically, the present invention relates to an adhesive for laminating used in the production of composite films mainly used for packaging materials such as foods, pharmaceuticals, and detergents by laminating various plastic films, metal vapor deposited films, aluminum foils and the like.
- a multi-layer film by so-called dry lamination, in which the adhesive is applied to the surface of the film substrate, the solvent is evaporated to dryness, and other materials are laminated while heating and pressure bonding, It is widely used because any film can be selectively combined according to the required characteristics of each application.
- the adhesive used for such dry lamination is mainly a two-component polyurethane adhesive mainly comprising a polyol component having a hydroxyl group at the polymer terminal and a polyisocyanate as a curing agent.
- polyester polyol and polyester polyurethane polyol are used as the polyol component, and various monomer-type polyisocyanates such as tolylene diisocyanate (TDI), diphenylmethane diisocyanate (MDI), and isophorone diisocyanate (IPDI) are used as the polyisocyanate.
- TDI tolylene diisocyanate
- MDI diphenylmethane diisocyanate
- IPDI isophorone diisocyanate
- PAA aromatic amine
- the problem to be solved by the present invention is an adhesive having a small amount of elution of low molecular chemical substances when used as a packaging material, a polyisocyanate component, a polyol component used for the adhesive, and a low molecular chemical substance to the contents during packaging.
- An object of the present invention is to provide a laminated film with a small amount of elution.
- the present inventors have mixed an aliphatic cyclic amide compound into one of the components in the polyisocyanate / polyol curable adhesive, or as a third component.
- an aliphatic cyclic amide compound into one of the components in the polyisocyanate / polyol curable adhesive, or as a third component.
- the present invention relates to a polyisocyanate mixture characterized by comprising a polyisocyanate (A) and an aliphatic cyclic amide compound (B) as essential components.
- the present invention further relates to a polyol mixture characterized by comprising a polyol (C) and an aliphatic cyclic amide compound (B) as essential components.
- the present invention further relates to an adhesive comprising polyisocyanate (A), an aliphatic cyclic amide compound (B) and the polyol (C) as essential components.
- the present invention further relates to a laminated film obtained by coating the adhesive on a first plastic film, then laminating a second plastic film on the coated surface, and curing the adhesive layer.
- an adhesive with a low elution amount of low molecular chemical substances when used as a packaging material, a polyisocyanate component and a polyol component used for the adhesive, and a laminate with a low elution amount of low molecular chemical substances into the contents during packaging Can provide film.
- the adhesive of the present invention is for packaging by using the aliphatic cyclic amide compound (B) in combination with the two-component adhesive mainly composed of the polyisocyanate (A) and the polyol (C). It is possible to effectively suppress low molecular chemical substances in the contents when a laminated film is formed.
- the aliphatic cyclic amide compound (B) is blended on the spot together with the polyisocyanate (A) and the polyol (C) when the adhesive is used.
- a polyisocyanate mixture obtained by previously mixing the polyisocyanate (A) and the aliphatic cyclic amide compound (B) or a polyol (C ) And the aliphatic cyclic amide compound (B) as essential components, it is preferable to use as a polyol mixture.
- the polyisocyanate (A) used here is, for example, aromatic polyisocyanate such as tolylene diisocyanate, xylylene diisocyanate, diphenylmethane diisocyanate, 1,5-naphthalene diisocyanate, triphenylmethane triisocyanate; 1,6-hexamethylene diisocyanate, Aliphatic polyisocyanates such as isophorone diisocyanate, 4,4′-methylenebis (cyclohexyl isocyanate), lysine diisocyanate, trimethylhexamethylene diisocyanate, 1,3- (isocyanatomethyl) cyclohexane; these aromatic or aliphatic polyisocyanates; Polyisocyanate which is a reaction product with polyol (C) described later, and bisulfur of these aromatic or aliphatic polyisocyanates Or polyisocyanate derivatives (modified products) such as isocyanurates of aromatic or aliphatic
- aromatic polyisocyanate polyisocyanate which is a reaction product of aromatic polyisocyanate and polyol (C) described later has a high reaction rate with polyol (C), and in the adhesive curing step after lamination. It is preferable because a certain aging time can be shortened, and heat resistance and strength after adhesive curing are also excellent. Moreover, adhesive performance can also be adjusted according to a use by selection of the polyol (C) made to react with aromatic polyisocyanate.
- reaction ratio between the aromatic polyisocyanate and the polyol (C) described later is such that the equivalent ratio [isocyanate / hydroxyl group] of the isocyanate in the aromatic polyisocyanate and the hydroxyl group in the polyol (C) is 1.5-5.
- a range of 0.0 is preferable from the viewpoint that the viscosity of the adhesive is in an appropriate range and coating properties are good.
- PAA aromatic amine
- the polyisocyanate (A) is suitable for use in soft packaging of solvent-free adhesives.
- the polyisocyanate obtained by reacting an aromatic polyisocyanate with a polyether polyol or a urethane bond-containing polyether polyol is suitable for a cured product.
- a resin having an isocyanate content of 5 to 20% by mass by a titration method (using di-n-butylamine) has an appropriate resin viscosity and excellent coating properties. It is preferable from the point.
- a polyisocyanate obtained by reacting an aromatic polyisocyanate and a polyester polyol obtained by reacting an aromatic polyisocyanate with a mixture of a polyester polyol and a polyether polyol.
- Polyisocyanates obtained are preferable from the viewpoint of excellent adhesive strength. Specifically, those having an isocyanate content of 5 to 20% by mass by a titration method (using di-n-butylamine) are also applied with an appropriate resin viscosity. It is preferable from the viewpoint of excellent workability.
- polyisocyanates obtained by reacting aromatic polyisocyanates with polyether polyols or urethane bond-containing polyether polyols are preferred in that they can impart moderate flexibility to the cured product.
- those having an isocyanate content of 2 to 5% by mass by a titration method (using di-n-butylamine) are preferable from the viewpoint of an appropriate resin viscosity and excellent coatability.
- an adduct that is a trimethylolpropane modified aromatic polyisocyanate is preferable from the viewpoint of curability for a hard base material of a solventless adhesive, and specifically, a titration method (di-n-butylamine).
- the content of isocyanate by use is preferably 5 to 25% by mass from the viewpoint of dramatically increasing the curability of the adhesive.
- the polyol (C) used in the present invention is, for example, ethylene glycol, propylene glycol, 1,3-propanediol, 1,4-butanediol, 1,5-pentanediol, 3-methyl-1,5.
- -Pentanediol 1,6-hexanediol, neopentyl glycol, methylpentanediol, dimethylbutanediol, butylethylpropanediol, diethylene glycol, triethylene glycol, tetraethylene glycol, dipropylene glycol, tripropylene glycol, bishydroxyethoxybenzene , 1,4-cyclohexanediol, 1,4-cyclohexanedimethanol, triethylene glycol and other glycols; bisphenol A, bisphenol F, hydrogenated bisphenol A, hydrogenated Bisphenol such as Sphenol F; dimer diol; polyether polyol obtained by addition polymerization of alkylene oxide such as ethylene oxide, propylene oxide, butylene oxide, styrene oxide, epichlorohydrin, tetrahydrofuran, cyclohexylene in the presence of a polymerization initiator such as glycol
- a urethane bond-containing polyether polyol obtained by further polymerizing the polyether polyol with the aromatic or aliphatic polyisocyanate; propiolactone, butyrolactone, ⁇ -caprolactone, ⁇ -valerolactone, ⁇ -methyl- ⁇ -valero Polyester obtained by ring-opening polymerization reaction of a cyclic ester compound such as lactone and a polyvalent amine such as glycol, glycerin, trimethylolpropane and pentaerythritol.
- Polyester polyol which is a reaction product with alcohol; Polyester polyol obtained by reacting bifunctional polyol such as glycol, dimer diol or bisphenol with polyvalent carboxylic acid: polyester polyol and polyether polyol Urethane bond-containing polyester polyether polyol obtained by reacting with aromatic or aliphatic polyisocyanate; Polyester polyurethane polyol obtained by polymerizing the polyester polyol with aromatic or aliphatic polyisocyanate; Polyester polyol and polyether polyol And the like.
- bifunctional polyol such as glycol, dimer diol or bisphenol with polyvalent carboxylic acid
- polyester polyol and polyether polyol Urethane bond-containing polyester polyether polyol obtained by reacting with aromatic or aliphatic polyisocyanate
- Polyester polyurethane polyol obtained by polymerizing the polyester polyol with aromatic or aliphatic polyisocyanate
- Polyester polyol and polyether polyol And the like
- polyvalent carboxylic acid examples include succinic acid, adipic acid, azelaic acid, sebacic acid, dodecanedicarboxylic acid, maleic anhydride, fumaric acid, 1,3-cyclopentanedicarboxylic acid, 1,4-cyclohexanedicarboxylic acid.
- Acid terephthalic acid, isophthalic acid, phthalic acid, 1,4-naphthalenedicarboxylic acid, 2,5-naphthalenedicarboxylic acid, 2,6-naphthalenedicarboxylic acid, naphthalic acid, biphenyldicarboxylic acid, 1,2-bis (phenoxy) Ethane-p, p′-dicarboxylic acid and anhydride or ester-forming derivatives of these dicarboxylic acids; p-hydroxybenzoic acid, p- (2-hydroxyethoxy) benzoic acid and ester-forming derivatives of these dihydroxycarboxylic acids, Examples include polybasic acids such as dimer acid.
- polyester polyol obtained by reacting a bifunctional polyol and a polyvalent carboxylic acid is used in combination with a trifunctional or higher polyhydric alcohol such as glycerin, trimethylolpropane, pentaerythritol as an alcohol component. Also good.
- polyether polyols or urethane bond-containing polyether polyols are preferable for soft packaging because they can impart appropriate flexibility to the cured product.
- polyester polyol and urethane bond-containing polyester polyether polyol are preferable from the viewpoint of excellent adhesive strength.
- the polyether polyol, urethane bond-containing polyether polyol, polyester polyol, and urethane bond-containing polyester polyether polyol used in the case of solventless adhesives for soft packaging applications or hard substrates have a hydroxyl value of A range of 50 to 300 mg KOH / g is preferred from the viewpoint of excellent wettability during coating.
- a polyether polyol, a urethane bond-containing polyester polyether polyol, and a mixture of a polyester polyol and a polyether polyol are preferable from the viewpoint of imparting appropriate flexibility to the cured product.
- a hydroxyl value in the range of 3 to 50 mgKOH / g is preferred from the viewpoint of excellent wettability to the substrate.
- polyester polyol or polyester polyurethane polyol is preferable from the viewpoint of excellent adhesive strength.
- the polyester polyol or the polyester polyurethane polyol specifically has a hydroxyl value in the range of 3 to 50 mgKOH / g because the balance between the wettability to the base material and the adhesive strength is excellent. preferable.
- examples of the aliphatic cyclic amide compound (B) used in the present invention include ⁇ -valerolactam, ⁇ -caprolactam, ⁇ -enanthollactam, ⁇ -capryllactam, ⁇ -propiolactam, and the like.
- ⁇ -caprolactam is preferable because it is excellent in reducing the amount of low-molecular chemical substances eluted.
- the aliphatic cyclic amide compound (B) is used as a polyisocyanate mixture (X) obtained by previously mixing the polyisocyanate (A) and the aliphatic cyclic amide compound (B).
- the polyol mixture (Y) having the polyol (C) and the aliphatic cyclic amide compound (B) as essential components, and particularly the latter polyol (C) and the aliphatic cyclic amide compound (B). It is preferable to use it as a polyol mixture containing as an essential component from the viewpoint of excellent storage stability of the polyol mixture.
- the polyisocyanate mixture (X) can be obtained by mixing the aliphatic cyclic amide compound (B) in the range of 0.1 to 5 parts by mass per 100 parts by mass of the polyisocyanate (A). It is preferable from an excellent point. Further, the mixing of the polyisocyanate (A) and the aliphatic cyclic amide compound (B) is preferably performed under a temperature condition of 40 to 50 ° C. from the viewpoint of productivity.
- the pot life is stable by mixing the aliphatic cyclic amide compound (B) in the range of 0.1 to 5 parts by mass per 100 parts by mass of the polyol (C). It is preferable from the viewpoint of excellent coating workability and excellent adhesion performance after curing.
- the mixing of the polyol (C) and the aliphatic cyclic amide compound (B) is preferably carried out at a temperature of 40 to 50 ° C. from the viewpoint of productivity.
- the adhesive of the present invention has an adhesive strength that the equivalent ratio [isocyanate group / hydroxyl group] of the isocyanate group in the polyisocyanate (A) and the hydroxyl group in the polyol resin (B) is 1.0 to 5.0. In view of excellent heat resistance during heat sealing, a range of 1.5 to 3.5 is particularly preferable because these properties become remarkable.
- the use ratio of the polyisocyanate mixture (X) and the polyol (C) is such that the equivalent ratio [isocyanate group / hydroxyl group] of the isocyanate group in the polyol mixture (X) and the hydroxyl group in the polyol (C) is 1.
- a ratio of 0.0 to 5.0, particularly a ratio of 1.5 to 3.5 is preferable.
- the use ratio of the polyol mixture (Y) and the polyisocyanate (A) is the equivalent ratio of the hydroxyl group in the polyol mixture (Y) and the isocyanate group in the polyol resin (A) [isocyanate group / hydroxyl group. ] Is a ratio of 1.0 to 5.0, particularly preferably a ratio of 1.5 to 3.5.
- the adhesive of the present invention can be used as a solvent type adhesive or a solventless type adhesive.
- Solvents that can be used as solvent-type adhesives include methanol, ethanol, isopropyl alcohol, methyl acetate, ethyl acetate, n-butyl acetate, acetone, methyl ethyl ketone (MEK), cyclohexanone, toluol, xylol, n-hexane, cyclohexane, and the like. Is mentioned. Among these, ethyl acetate and methyl ethyl ketone (MEK) are preferable from the viewpoint of solubility, and ethyl acetate is particularly preferable.
- the amount of the organic solvent used is preferably in the range of 20 to 50% by mass from the viewpoint of viscosity.
- a pigment may be used in combination as necessary.
- usable pigments are not particularly limited.
- extender pigments, white pigments, black pigments, gray pigments, red pigments described in the Paint Material Handbook 1970 edition (edited by the Japan Paint Industry Association) examples thereof include organic pigments and inorganic pigments such as pigments, brown pigments, green pigments, blue pigments, metal powder pigments, luminescent pigments, and pearl pigments, and plastic pigments.
- specific examples of these colorants include various types, and examples of organic pigments include various insoluble azo pigments such as Bench Gin Yellow, Hansa Yellow, Raked 4R, etc .; Soluble properties such as Raked C, Carmine 6B, Bordeaux 10 and the like.
- Azo pigments are not particularly limited.
- extender pigments white pigments, black pigments, gray pigments, red pigments described in the Paint Material Handbook 1970 edition (edited by the Japan Paint Industry Association)
- examples thereof include organic pigments and inorganic pigments such as pigments, brown pigments, green
- Various (copper) phthalocyanine pigments such as phthalocyanine blue and phthalocyanine green; various chlorine dyeing lakes such as rhodamine lake and methyl violet lake; various mordant dye pigments such as quinoline lake and fast sky blue; anthraquinone pigment; Various vat dyes such as thioindigo pigments and perinone pigments; various quinacridone pigments such as Cincacia Red B; various dioxazine pigments such as dioxazine violet; various condensed azo pigments such as chromoftal; aniline Black etc. are mentioned.
- inorganic pigments include various chromates such as chrome lead, zinc chromate, and molybdate orange; various ferrocyan compounds such as bitumen; titanium oxide, zinc white, mapico yellow, iron oxide, bengara, chrome oxide Various metal oxides such as green and zirconium oxide; various sulfides or selenides such as cadmium yellow, cadmium red and mercury sulfide;
- Various sulfates such as barium sulfate and lead sulfate; Various silicates such as calcium silicate and ultramarine blue; Various carbonates such as calcium carbonate and magnesium carbonate; Various phosphates such as cobalt violet and manganese purple; Aluminum Various metal powder pigments such as powder, gold powder, silver powder, copper powder, bronze powder and brass powder; flake pigments of these metals, mica flake pigments; mica flake pigments coated with metal oxides, mica-like iron oxide Examples thereof include metallic pigments such as pigments and pearl pigments; graphite and carbon black.
- extender pigments examples include precipitated barium sulfate, powder, precipitated calcium carbonate, calcium bicarbonate, cryolite, alumina white, silica, hydrous finely divided silica (white carbon), ultrafine anhydrous silica (Aerosil), and silica sand (silica). Sand), talc, precipitated magnesium carbonate, bentonite, clay, kaolin, ocher and the like.
- plastic pigment examples include “Grandall PP-1000” and “PP-2000S” manufactured by DIC Corporation.
- the pigment used in the present invention since it is excellent in durability, weather resistance and design, inorganic oxides such as titanium oxide and zinc white as a white pigment, and carbon black as a black pigment are more preferable.
- the mass ratio of the pigment used in the present invention is preferably 1 to 400 parts by mass, more preferably 10 to 300 parts by mass, with respect to 100 parts by mass of the resin component, because it is excellent in adhesion and blocking resistance.
- the adhesive composition of the present invention may contain other additives other than those described above.
- the additive include additives generally used in resin compositions that form films and coating films.
- additives include leveling agents; inorganic fine particles such as colloidal silica and alumina sol; organic fine particles based on polymethyl methacrylate; antifoaming agents; anti-sagging agents; wetting and dispersing agents; silane coupling agents; Ultraviolet absorber; Metal deactivator; Peroxide decomposing agent; Flame retardant; Reinforcing agent; Plasticizer; Lubricant; Rust inhibitor; Fluorescent brightener; Inorganic heat absorber; Agents; dehydrating agents and the like.
- the adhesive of the present invention is pre-blended with components other than the polyisocyanate (A) in advance.
- a mix can be prepared as the polyol mixture, and this can be prepared by mixing the polyisocyanate (A).
- the above-mentioned adhesive is applied to a substrate with a gravure coater, die coater or lip coater, and after drying, another substrate is bonded.
- the coating width can be freely adjusted by deckles attached to both ends of the die or the lip portion.
- the application amount of the adhesive is about 0.5 to 6.0 g / m 2 , preferably 1.0 to 4.0 g / m 2 .
- the adhesive composition of the present invention is used, the adhesive is cured in 6 to 24 hours at room temperature or under heating after lamination, and expresses practical physical properties.
- parts means “parts by mass”.
- raw material polyol used as a raw material by each Example and a comparative example is shown below.
- Polyester polyol (c1) reaction product of ethylene glycol, diethylene glycol, isophthalic acid and adipic acid (hydroxyl value 50)
- Example 1 [Production of polyisocyanate mixture (X-1)] After adding 10 parts by mass of diphenylmethane diisocyanate (MDI) to 60 parts by mass of the polyester polyol (c1) and reacting while maintaining the temperature at 60 ° C., 29 parts by mass of ethyl acetate is added, and the terminal has an isocyanate group. A resin solution of polyester polyisocyanate (A-1) was obtained. Next, the resin solution was cooled, and when it became a temperature lower than 50 ° C., 1 part by mass of ⁇ -caprolactam was added to prepare 100 parts by mass of a polyester polyisocyanate mixture (X-1) having an isocyanate group at the terminal. did.
- MDI diphenylmethane diisocyanate
- the storage stability was evaluated by the following method. The results are shown in Table 1. (Storage stability evaluation) The viscosity immediately after preparation of the mixture and the viscosity after standing at 60 ° C. for 10 days were measured with a B-type viscometer, and the increase was evaluated according to the following criteria. ⁇ : 1 to 1.1 times ⁇ : 1.1 to 1.5 times ⁇ : 1.5 times or more
- Example 2 [Production of polyisocyanate mixture (X-2)] 10 parts by weight of diphenylmethane diisocyanate (MDI) is added to 59 parts by weight of the polyester polyol (c1), the reaction is carried out while maintaining the temperature at 60 ° C., 29 parts of ethyl acetate is added, and the polyester having an isocyanate group at the end A resin solution of polyisocyanate (A-2) was obtained. Next, the resin solution was cooled, and when it became a temperature lower than 50 ° C., 2 parts by mass of ⁇ -caprolactam was added to prepare 100 parts by mass of a polyester polyisocyanate mixture (X-2). The storage stability was evaluated in the same manner as in Example 1. The results are shown in Table 1.
- Example 3 [Production of polyisocyanate mixture (X-3)] 24.5 parts by mass of polyether polyol (c2) and 19.5 parts by mass of polyether polyol (c3) were mixed, 55 parts by mass of diphenylmethane diisocyanate (MDI) was added, and the reaction was carried out while maintaining the temperature at 60 ° C. A resin solution of polyether polyisocyanate (A-3) was obtained. Next, this resin solution was cooled, and when it became a temperature lower than 50 ° C., 1 part by mass of ⁇ -caprolactam was added to prepare 100 parts by mass of a polyisocyanate mixture (X-3) having an isocyanate group at the terminal. . The storage stability was evaluated in the same manner as in Example 1. The results are shown in Table 1.
- Example 4 [Production of polyisocyanate mixture (X-4)] 24 parts by mass of polyether polyol (c2) and 19 parts by mass of polyether polyol (c3) were mixed, 55 parts by mass of diphenylmethane diisocyanate (MDI) was added, and the reaction was carried out while maintaining the temperature at 60 ° C. to terminate isocyanate. A polyether polyisocyanate (A-3) having a group was obtained. Next, the reaction solution composed of the polyether polyisocyanate (A-3) was cooled, and when the temperature reached less than 50 ° C., 2 parts by mass of ⁇ -caprolactam was added, and the polyether polyisocyanate mixture (X-4 ) 100 parts by mass were prepared. The storage stability was evaluated in the same manner as in Example 1. The results are shown in Table 1.
- Example 5 [Preparation of polyol mixture (Y-1)] 49 parts by mass of polyether polyol (c2) and 1 part by mass of ⁇ -caprolactam were mixed to obtain a polyol mixture (Y-1). The storage stability was evaluated in the same manner as in Example 1. The results are shown in Table 2.
- Example 6 [Preparation of polyol mixture (Y-2)] 48 parts by mass of polyether polyol (c2) and 2 parts by mass of ⁇ -caprolactam were mixed to obtain a polyol mixture (Y-2). The storage stability was evaluated in the same manner as in Example 1. The results are shown in Table 2.
- Production Example 2 [Production of polyisocyanate (A-6)] 25 parts by mass of polyether polyol (c2) and 20 parts by mass of polyether polyol (c3) were mixed, 55 parts by mass of diphenylmethane diisocyanate (MDI) was added, and the reaction was carried out while maintaining the temperature at 60 ° C. A polyether polyisocyanate (A-6) having an isocyanate group was prepared.
- Example 7 100 parts by mass of the mixture (X-1) obtained in Example 1 and 50 parts by mass of the polyether polyol (c2) were blended to obtain a solvent-type adhesive. (Evaluation of PAA elution amount) This adhesive was coated on a PET film, and then a CPP (unstretched polypropylene) was bonded to the adhesive-coated surface to obtain a composite film, which was cured by aging for several days. The following PAA elution amount analysis was performed using the composite film in each case of 1 hour, 1 day, 3 days, and 7 days after aging.
- a pouch (200 cm 2 ) was prepared using the above composite film. These pouches were filled with a 3% aqueous acetic acid solution, sealed, and then sterilized at 121 ° C. for 30 minutes. The aqueous acetic acid solution was taken out, and aromatic amines (PAA) were quantitatively measured by liquid chromatography mass spectrometry. Converted from the measured values, the amount of PAA elution ( ⁇ g / Kg-food) for each aging time was calculated. The results are shown in Table 3. (Evaluation of pot life) The viscosity immediately after obtaining the adhesive was measured using a Zahn cup viscometer (25 ° C.). Next, the viscosity after standing at 40 ° C.
- PAA aromatic amines
- Example 8 100 parts by mass of the mixture (X-2) obtained in Example 1 and 50 parts by mass of the polyether polyol (c2) were blended to obtain a solvent-type adhesive. Next, the PAA elution amount and pot life were evaluated in the same manner as in Example 7. The results are shown in Table 3.
- Example 9 100 parts by mass of the polyisocyanate resin solution (X-5) and 50 parts by mass of the polyol mixture (Y-1) were blended to obtain a solvent-type adhesive. Next, the PAA elution amount and pot life were evaluated in the same manner as in Example 7. The results are shown in Table 3.
- Example 10 100 parts by mass of the polyisocyanate resin solution (X-5) and 50 parts by mass of the polyol mixture (Y-2) were blended to obtain a solvent-type adhesive. Next, the PAA elution amount and pot life were evaluated in the same manner as in Example 7. The results are shown in Table 3.
- Example 11 100 parts by mass of a polyisocyanate solution (X-5), 46 parts by mass of a polyether polyol (c2), 2 parts by mass of ⁇ -caprolactam, and 2 parts by mass of ethyl acetate were blended to obtain a solvent-type adhesive. .
- a polyisocyanate solution X-5
- 46 parts by mass of a polyether polyol c2
- 2 parts by mass of ⁇ -caprolactam 2 parts by mass of ethyl acetate
- Example 12 100 parts by mass of the polyisocyanate mixture (X-3) obtained in Example 3 and 50 parts by mass of the polyether polyol (c2) were blended to obtain a solventless adhesive. Subsequently, the PAA elution amount was evaluated in the same manner as in Example 7. The results are shown in Table 3. (Evaluation of pot life) The obtained adhesive was measured at 40 ° C. for 30 minutes using an E-type viscometer, and evaluated according to the following criteria from the rate of increase in viscosity. ⁇ : 1 to 3 times ⁇ : 3 to 5 times ⁇ : 5 or more times
- Example 13 100 parts by mass of the polyisocyanate mixture (X-4) obtained in Example 4 and 50 parts by mass of the polyether polyol (c2) were blended to obtain a solventless adhesive. Next, the PAA elution amount and pot life were evaluated in the same manner as in Example 12. The results are shown in Table 3.
- Example 14 100 parts by mass of polyisocyanate (A-6) and 50 parts by mass of polyol mixture (Y-1) were blended to obtain a solventless adhesive. Next, the PAA elution amount and pot life were evaluated in the same manner as in Example 7. The results are shown in Table 3.
- Example 15 100 parts by mass of polyisocyanate (A-6) and 50 parts by mass of polyol mixture (Y-2) were blended to obtain a solventless adhesive. Next, the PAA elution amount and pot life were evaluated in the same manner as in Example 12. The results are shown in Table 3.
- Example 16 100 parts by mass of polyisocyanate (A-6), 46 parts by mass of polyether polyol (c2), 2 parts by mass of ⁇ -caprolactam, and 2 parts by mass of ethyl acetate were blended to obtain a solventless adhesive. . Next, the PAA elution amount and pot life were evaluated in the same manner as in Example 12. The results are shown in Table 3.
- Comparative Example 1 100 parts by mass of the polyisocyanate solution (X-5) and 50 parts by mass of the polyether polyol (c2) were blended to obtain a solvent-type adhesive. Next, the PAA elution amount and pot life were evaluated in the same manner as in Example 7. The results are shown in Table 3.
- Comparative Example 2 100 parts by mass of polyisocyanate (A-6) and 50 parts by mass of polyether polyol (c2) were blended to obtain a solventless adhesive. Next, the PAA elution amount and pot life were evaluated in the same manner as in Example 12. The results are shown in Table 3.
- Comparative Example 3 100 parts of polyisocyanate (A-6), 48 parts by weight of polyether polyol (c2), 5- (2,5-dioxotetrahydrofuryl) -3-methyl-3-cyclohexene-1,2 as a PAA supplement -2 parts by weight of dicarboxylic acid anhydride was blended to obtain a solventless adhesive. Next, the PAA elution amount and pot life were evaluated in the same manner as in Example 12. The results are shown in Table 3.
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Abstract
Description
ポリエステルポリオール(c1):エチレングリコール、ジエチレングリコール、イソフタル酸、アジピン酸の反応生成物(水酸基価50)
ポリエーテルポリオール(c2):ポリプロピレングリコール(水酸基価112)
ポリエーテルポリオール(c3):ポリプロピレングリコール(水酸基価280)
ポリエステルポリオール(c1)60質量部に対し、ジフェニルメタンジイソシアネート(MDI)を10質量部添加し、温度を60℃に保ちながら反応させた後、酢酸エチル29質量部を投入し、末端にイソシアネート基を有するポリエステルポリイソシアネート(A-1)の樹脂溶液を得た。次いで、この樹脂溶液を冷却し、50℃未満の温度となった時点で、ε-カプロラクタムを1質量部添加し、末端にイソシアネート基を有するポリエステルポリイソシアネート混合物(X-1)100質量部を調製した。下記の方法にて貯蔵安定性の評価を行った。結果を表1に示す。
(貯蔵安定性評価)
混合物調整直後の粘度と60℃10日間放置後の粘度をB型粘度計にて測定し、その増加割合から下記の基準によって評価した。
○:1倍以上1.1倍未満
△:1.1倍以上1.5倍未満
×:1.5倍以上
ポリエステルポリオール(c1)59質量部に対し、ジフェニルメタンジイソシアネート(MDI)を10質量部添加し、温度を60℃に保ちながら反応させた後、酢酸エチル29部を投入し、末端にイソシアネート基を有するポリエステルポリイソシアネート(A-2)の樹脂溶液を得た。次いで、樹脂溶液を冷却し、50℃未満の温度となった時点で、ε-カプロラクタムを2質量部添加し、ポリエステルポリイソシアネート混合物(X-2)100質量部を調製した。実施例1と同様にして貯蔵安定性の評価を行った。結果を表1に示す。
ポリエ-テルポリオール(c2)24.5質量部およびポリエーテルポリオール(c3)19.5質量部を混合し、さらにジフェニルメタンジイソシアネート(MDI)を55質量部添加し、温度を60℃に保ちながら反応させ、ポリエーテルポリイソシアネート(A-3)の樹脂溶液を得た。
次いで、この樹脂溶液を冷却し、50℃未満の温度となった時点で、ε-カプロラクタム1質量部を添加し、末端にイソシアネート基を有するポリイソシアネート混合物(X-3)100質量部を調製した。実施例1と同様にして貯蔵安定性の評価を行った。結果を表1に示す。
ポリエ-テルポリオール(c2)24質量部およびポリエーテルポリオール(c3)19質量部を混合し、さらにジフェニルメタンジイソシアネート(MDI)を55質量部添加し、温度を60℃に保ちながら反応させて末端にイソシアネート基を有するポリエーテルポリイソシアネート(A-3)を得た。
次いで、このポリエーテルポリイソシアネート(A-3)からなる反応液を冷却し、50℃未満の温度となった時点で、ε-カプロラクタム2質量部を添加し、ポリエーテルポリイソシアネート混合物(X-4)100質量部を調製した。実施例1と同様にして貯蔵安定性の評価を行った。結果を表1に示す。
ポリエーテルポリオール(c2)49質量部と、ε-カプロラクタム1質量部とを混合し、ポリオール混合物(Y-1)を得た。実施例1と同様にして貯蔵安定性の評価を行った。結果を表2に示す。
ポリエーテルポリオール(c2)48質量部と、ε-カプロラクタム2質量部とを混合し、ポリオール混合物(Y-2)を得た。実施例1と同様にして貯蔵安定性の評価を行った。結果を表2に示す。
ポリエステルポリオール(c1)61質量部に対し、ジフェニルメタンジイソシアネート(MDI)を10質量部添加し、温度を60℃に保ちながら反応させた後、酢酸エチル29質量部を投入した。
次いで、反応溶液を冷却し末端にイソシアネート基を有するポリエステルポリイソシアネート(A-5)の樹脂溶液(ポリイソシアネート樹脂溶液(X-5))100質量部を得た。実施例1と同様にして貯蔵安定性の評価を行った。結果を表1に示す。
ポリエ-テルポリオール(c2)25質量部およびポリエーテルポリオール(c3)20質量部を混合し、さらにジフェニルメタンジイソシアネート(MDI)55部質量を添加し、温度を60℃に保ちながら反応させて、末端にイソシアネート基を有するポリエーテルポリイソシアネート(A-6)を調整した。
実施例1で得られた混合物(X-1)100質量部と、ポリエーテルポリオール(c2)50質量部とを配合し溶剤型の接着剤を得た。
(PAA溶出量の評価)
この接着剤をPETフィルム上にコーティングし、次いで、接着剤塗布面にCPP(無延伸ポリプロピレン)を貼り合せて複合フィルムを得、エージングにより数日間にわたって硬化させた。エージング1時間後、1日後、3日後、7日後のそれぞれの場合の複合フィルムを用い、以下のPAA溶出量分析を行った。
(ポットライフの評価)
接着剤を得た直後の粘度を、ザーンカップ粘度計(25℃)を用い測定した。次いで、40℃6時間、更に25℃18時間放置後の粘度を、ザーンカップ粘度計(25℃)を用い測定した。その際の粘度上昇の割合から下記基準にて評価を行った。結果を表3に示した。
○:1倍以上1.5倍未満
△:1.5倍以上2倍未満
×:2倍以上
実施例1で得られた混合物(X-2)100質量部と、ポリエーテルポリオール(c2)50質量部とを配合し、溶剤型の接着剤を得た。
次いで実施例7と同様にしてPAA溶出量とポットライフの評価を行った。結果を表3に示す。
ポリイソシアネート樹脂溶液(X-5)100質量部と、ポリオール混合物(Y-1)50質量部とを配合し、溶剤型の接着剤を得た。
次いで実施例7と同様にしてPAA溶出量とポットライフの評価を行った。結果を表3に示す。
ポリイソシアネート樹脂溶液(X-5)100質量部と、ポリオール混合物(Y-2)50質量部とを配合し、溶剤型の接着剤を得た。
次いで実施例7と同様にしてPAA溶出量とポットライフの評価を行った。結果を表3に示す。
ポリイソシアネート溶液(X-5)100質量部と、ポリエーテルポリオール(c2)46質量部と、ε-カプロラクタム2質量部と、酢酸エチル2質量部とを配合し、溶剤型の接着剤を得た。
次いで実施例7と同様にしてPAA溶出量とポットライフの評価を行った。結果を表3に示す。
実施例3で得られたポリイソシアネート混合物(X-3)100質量部と、ポリエーテルポリオール(c2)50質量部とを配合し無溶剤型の接着剤を得た。
次いで実施例7と同様にしてPAA溶出量の評価を行った。結果を表3に示す。
(ポットライフの評価)
得られた接着剤についてE型粘度計を用い40℃にて30分間測定を行い、粘度上昇の割合から下記の基準にて評価した。
○:1倍以上3倍未満
△:3倍以上5倍未満
×:5倍以上
実施例4で得られたポリイソシアネート混合物(X-4)100質量部と、ポリエーテルポリオール(c2)50質量部とを配合し、無溶剤型の接着剤を得た。
次いで実施例12と同様にしてPAA溶出量とポットライフの評価を行った。結果を表3に示す。
ポリイソシアネート(A-6)100質量部と、ポリオール混合物(Y-1)50質量部とを配合し、無溶剤型の接着剤を得た。次いで実施例7と同様にしてPAA溶出量とポットライフの評価を行った。結果を表3に示す。
ポリイソシアネート(A-6)100質量部と、ポリオール混合物(Y-2)50質量部とを配合し、無溶剤型の接着剤を得た。
次いで実施例12と同様にしてPAA溶出量とポットライフの評価を行った。結果を表3に示す。
ポリイソシアネート(A-6)100質量部と、ポリエーテルポリオール(c2)46質量部と、ε-カプロラクタム2質量部と、酢酸エチル2質量部とを配合し、無溶剤型の接着剤を得た。次いで実施例12と同様にしてPAA溶出量とポットライフの評価を行った。結果を表3に示す。
ポリイソシアネート溶液(X-5)100質量部と、ポリエーテルポリオール(c2)50質量部とを配合し、溶剤型の接着剤を得た。
次いで実施例7と同様にしてPAA溶出量とポットライフの評価を行った。結果を表3に示す。
ポリイソシアネート(A-6)100質量部と、ポリエーテルポリオール(c2)50質量部とを配合し、無溶剤型の接着剤を得た。
次いで実施例12と同様にしてPAA溶出量とポットライフの評価を行った。結果を表3に示す。
ポリイソシアネート(A-6)100部と、ポリエーテルポリオール(c2)48質量部と、PAA補足剤として5-(2,5-ジオキソテトラヒドロフリル)-3-メチル-3-シクロヘキセン-1,2-ジカルボン酸無水物2質量部を配合し、無溶剤型の接着剤を得た。次いで実施例12と同様にしてPAA溶出量とポットライフの評価を行った。結果を表3に示す。
Claims (16)
- ポリイソシアネート(A)と脂肪族環状アミド化合物(B)とを必須成分とすることを特徴とするポリイソシアネート混合物。
- 前記ポリイソシアネート(A)が、ポリオール(C)と多価イソシアネート化合物とを反応させて得られるものである請求項1記載のポリイソシアネート混合物。
- 前記ポリオール(C)が、ポリエステルポリオール又はポリエーテルポリオールである請求項2記載のポリイソシアネート混合物。
- 前記環状アミド化合物(B)が、δ-バレロラクタム、ε-カプロラクタム、ω-エナントールラクタム、η-カプリルラクタム、及びβ-プロピオラクタムからなる群から選ばれる1つ以上の化合物である請求項1記載のポリイソシアネート混合物。
- 前記ポリイソシアネート(A)100質量部あたり、前記脂肪族環状アミド化合物(B)を0.1~10質量部の範囲で含有する請求項1記載のポリイソシアネート混合物。
- ポリオール(C)と脂肪族環状アミド化合物(B)とを必須成分とすることを特徴とするポリオール混合物。
- 前記環状アミド化合物(B)が、δ-バレロラクタム、ε-カプロラクタム、ω-エナントールラクタム、η-カプリルラクタム、及びβ-プロピオラクタムからなる群から選ばれる1つ以上の化合物である請求項6記載のポリオール混合物。
- 前記ポリオール(C)100質量部あたり、前記脂肪族環状アミド化合物(B)を0.1~10質量部の範囲で含有する請求項7記載のポリオール混合物。
- ポリイソシアネート(A)と脂肪族環状アミド化合物(B)と前記ポリオール(C)とを必須成分とすることを特徴とする接着剤。
- 前記ポリイソシアネート(A)と前記脂肪族環状アミド化合物(B)とを予め混合したポリイソシアネート混合物(X)と、前記ポリオール(C)とを用いる請求項9記載の接着剤。
- 前記ポリイソシアネート混合物(X)が請求項1~5の何れか1つに記載のポリイソシアネート混合物である請求項10記載の接着剤。
- 前記ポリイソシアネート混合物(X)と、前記ポリオール(C)との使用割合が前記ポリイソシアネート混合物(X)中のイソシアネート基と、前記ポリオール(C)中の水酸基との当量比[イソシアネート基/水酸基]が1.0~5.0となる割合である請求項11記載の接着剤。
- 前記ポリオール(C)と前記脂肪族環状アミド化合物(B)とを予め混合したポリオール混合物(Y)と、前記ポリイソシアネート(A)とを用いる請求項9記載の接着剤。
- 前記ポリオール混合物(Y)が請求項6~8の何れか1つに記載のポリオール混合物である請求項13記載の接着剤。
- 前記ポリオール混合物(Y)と、前記ポリイソシアネート(A)との使用割合が前記ポリオール混合物(Y)中の水酸基と、前記ポリオール樹脂(A)中のイソシアネート基との当量比[イソシアネート基/水酸基]が1.0~5.0となる割合である請求項14記載の接着剤。
- 請求項9記載の接着剤を第一のプラスチックフィルムに塗布、次いで塗布面に第二のプラスチックフィルムを積層し、該接着剤層を硬化させてなる積層フィルム。
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US15/024,915 US20160208146A1 (en) | 2013-09-30 | 2014-09-26 | Polyisocyanate mixture, polyol mixture, adhesive, and laminated film |
EP14848499.1A EP3037477A4 (en) | 2013-09-30 | 2014-09-26 | Polyisocyanate mixture, polyol mixture, adhesive, and laminated film |
JP2015528785A JP5812231B2 (ja) | 2013-09-30 | 2014-09-26 | ポリイソシアネート混合物、ポリオール混合物、接着剤、及び積層フィルム |
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EP3037477A4 (en) | 2017-04-26 |
EP3037477A1 (en) | 2016-06-29 |
CN105593301A (zh) | 2016-05-18 |
JP5812231B2 (ja) | 2015-11-11 |
JPWO2015046453A1 (ja) | 2017-03-09 |
US20160208146A1 (en) | 2016-07-21 |
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