JP5626008B2 - 湿気硬化性ホットメルトウレタン樹脂組成物、及び成形品 - Google Patents
湿気硬化性ホットメルトウレタン樹脂組成物、及び成形品 Download PDFInfo
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- JP5626008B2 JP5626008B2 JP2011039858A JP2011039858A JP5626008B2 JP 5626008 B2 JP5626008 B2 JP 5626008B2 JP 2011039858 A JP2011039858 A JP 2011039858A JP 2011039858 A JP2011039858 A JP 2011039858A JP 5626008 B2 JP5626008 B2 JP 5626008B2
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- JP
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- Prior art keywords
- urethane resin
- resin composition
- hot melt
- polyol
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000012943 hotmelt Substances 0.000 title claims description 85
- 239000011342 resin composition Substances 0.000 title claims description 72
- 229920002803 thermoplastic polyurethane Polymers 0.000 title claims description 60
- 229920005862 polyol Polymers 0.000 claims description 91
- 150000003077 polyols Chemical class 0.000 claims description 78
- 125000003118 aryl group Chemical group 0.000 claims description 54
- -1 phenylphosphonic acid compound Chemical class 0.000 claims description 40
- 229910052751 metal Inorganic materials 0.000 claims description 37
- 239000002184 metal Substances 0.000 claims description 37
- 238000000465 moulding Methods 0.000 claims description 33
- 229920005906 polyester polyol Polymers 0.000 claims description 32
- 150000003839 salts Chemical class 0.000 claims description 29
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims description 22
- 229920003232 aliphatic polyester Polymers 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 20
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 16
- 239000005056 polyisocyanate Substances 0.000 claims description 16
- 229920001228 polyisocyanate Polymers 0.000 claims description 16
- 239000003484 crystal nucleating agent Substances 0.000 claims description 15
- 239000012948 isocyanate Substances 0.000 claims description 8
- 150000002513 isocyanates Chemical group 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 2
- 150000003751 zinc Chemical class 0.000 claims description 2
- 150000001868 cobalt Chemical class 0.000 claims 1
- 239000002253 acid Substances 0.000 description 32
- 238000004519 manufacturing process Methods 0.000 description 30
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 26
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 26
- 238000006243 chemical reaction Methods 0.000 description 24
- 238000007711 solidification Methods 0.000 description 21
- 230000008023 solidification Effects 0.000 description 21
- 238000002425 crystallisation Methods 0.000 description 18
- 230000008025 crystallization Effects 0.000 description 18
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 16
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 16
- 125000001931 aliphatic group Chemical group 0.000 description 16
- 230000000694 effects Effects 0.000 description 14
- 238000012545 processing Methods 0.000 description 13
- 239000003054 catalyst Substances 0.000 description 11
- 239000004065 semiconductor Substances 0.000 description 11
- 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 9
- 230000015572 biosynthetic process Effects 0.000 description 9
- 125000004432 carbon atom Chemical group C* 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000001361 adipic acid Substances 0.000 description 8
- 235000011037 adipic acid Nutrition 0.000 description 8
- 239000000155 melt Substances 0.000 description 8
- 238000003786 synthesis reaction Methods 0.000 description 8
- 239000013078 crystal Substances 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- TVIDDXQYHWJXFK-UHFFFAOYSA-N dodecanedioic acid Chemical compound OC(=O)CCCCCCCCCCC(O)=O TVIDDXQYHWJXFK-UHFFFAOYSA-N 0.000 description 6
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 239000004566 building material Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000010924 continuous production Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 5
- 238000004904 shortening Methods 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 229920000515 polycarbonate Polymers 0.000 description 4
- 239000004417 polycarbonate Substances 0.000 description 4
- 229920005903 polyol mixture Polymers 0.000 description 4
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 3
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 3
- 229920000305 Nylon 6,10 Polymers 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical class C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 3
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical class C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 150000003014 phosphoric acid esters Chemical class 0.000 description 3
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 3
- 238000006068 polycondensation reaction Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- QFGCFKJIPBRJGM-UHFFFAOYSA-N 12-[(2-methylpropan-2-yl)oxy]-12-oxododecanoic acid Chemical compound CC(C)(C)OC(=O)CCCCCCCCCCC(O)=O QFGCFKJIPBRJGM-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 description 2
- QLZHNIAADXEJJP-UHFFFAOYSA-N Phenylphosphonic acid Chemical compound OP(O)(=O)C1=CC=CC=C1 QLZHNIAADXEJJP-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- UWHCKJMYHZGTIT-UHFFFAOYSA-N Tetraethylene glycol, Natural products OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 2
- 150000008065 acid anhydrides Chemical class 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 125000005907 alkyl ester group Chemical group 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 2
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- JGFBRKRYDCGYKD-UHFFFAOYSA-N dibutyl(oxo)tin Chemical compound CCCC[Sn](=O)CCCC JGFBRKRYDCGYKD-UHFFFAOYSA-N 0.000 description 2
- GHLKSLMMWAKNBM-UHFFFAOYSA-N dodecane-1,12-diol Chemical compound OCCCCCCCCCCCCO GHLKSLMMWAKNBM-UHFFFAOYSA-N 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- 238000007542 hardness measurement Methods 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 150000004702 methyl esters Chemical class 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- XRVCFZPJAHWYTB-UHFFFAOYSA-N prenderol Chemical compound CCC(CC)(CO)CO XRVCFZPJAHWYTB-UHFFFAOYSA-N 0.000 description 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
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- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 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 2
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 2
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- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
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- DDGPOBNMQLTKIJ-UHFFFAOYSA-N (4-butylphenyl)phosphonic acid Chemical compound CCCCC1=CC=C(P(O)(O)=O)C=C1 DDGPOBNMQLTKIJ-UHFFFAOYSA-N 0.000 description 1
- CRPRCSYCZWFVED-UHFFFAOYSA-N (4-ethylphenyl)phosphonic acid Chemical compound CCC1=CC=C(P(O)(O)=O)C=C1 CRPRCSYCZWFVED-UHFFFAOYSA-N 0.000 description 1
- LYNDWSARZJHIKU-UHFFFAOYSA-N (4-methylphenyl)phosphonic acid Chemical compound CC1=CC=C(P(O)(O)=O)C=C1 LYNDWSARZJHIKU-UHFFFAOYSA-N 0.000 description 1
- WTVNRJZKWMXPJC-UHFFFAOYSA-N (4-propan-2-ylphenyl)phosphonic acid Chemical compound CC(C)C1=CC=C(P(O)(O)=O)C=C1 WTVNRJZKWMXPJC-UHFFFAOYSA-N 0.000 description 1
- OSDKHNQHAQGIIN-UHFFFAOYSA-N (4-propylphenyl)phosphonic acid Chemical compound CCCC1=CC=C(P(O)(O)=O)C=C1 OSDKHNQHAQGIIN-UHFFFAOYSA-N 0.000 description 1
- SYOFLEWUZXUEKC-UHFFFAOYSA-N (4-tert-butylphenyl)phosphonic acid Chemical compound CC(C)(C)C1=CC=C(P(O)(O)=O)C=C1 SYOFLEWUZXUEKC-UHFFFAOYSA-N 0.000 description 1
- NNOZGCICXAYKLW-UHFFFAOYSA-N 1,2-bis(2-isocyanatopropan-2-yl)benzene Chemical compound O=C=NC(C)(C)C1=CC=CC=C1C(C)(C)N=C=O NNOZGCICXAYKLW-UHFFFAOYSA-N 0.000 description 1
- MTZUIIAIAKMWLI-UHFFFAOYSA-N 1,2-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC=C1N=C=O MTZUIIAIAKMWLI-UHFFFAOYSA-N 0.000 description 1
- GGQHNQQPLWRNHD-UHFFFAOYSA-N 1,3,7,9-tetratert-butyl-11-hydroxy-5h-benzo[d][1,3,2]benzodioxaphosphocine 11-oxide Chemical compound C1C2=CC(C(C)(C)C)=CC(C(C)(C)C)=C2OP(O)(=O)OC2=C1C=C(C(C)(C)C)C=C2C(C)(C)C GGQHNQQPLWRNHD-UHFFFAOYSA-N 0.000 description 1
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- 229940035437 1,3-propanediol Drugs 0.000 description 1
- SBJCUZQNHOLYMD-UHFFFAOYSA-N 1,5-Naphthalene diisocyanate Chemical compound C1=CC=C2C(N=C=O)=CC=CC2=C1N=C=O SBJCUZQNHOLYMD-UHFFFAOYSA-N 0.000 description 1
- ALVZNPYWJMLXKV-UHFFFAOYSA-N 1,9-Nonanediol Chemical compound OCCCCCCCCCO ALVZNPYWJMLXKV-UHFFFAOYSA-N 0.000 description 1
- RMSGQZDGSZOJMU-UHFFFAOYSA-N 1-butyl-2-phenylbenzene Chemical group CCCCC1=CC=CC=C1C1=CC=CC=C1 RMSGQZDGSZOJMU-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- WTPYFJNYAMXZJG-UHFFFAOYSA-N 2-[4-(2-hydroxyethoxy)phenoxy]ethanol Chemical compound OCCOC1=CC=C(OCCO)C=C1 WTPYFJNYAMXZJG-UHFFFAOYSA-N 0.000 description 1
- DSKYSDCYIODJPC-UHFFFAOYSA-N 2-butyl-2-ethylpropane-1,3-diol Chemical compound CCCCC(CC)(CO)CO DSKYSDCYIODJPC-UHFFFAOYSA-N 0.000 description 1
- STBKLWYSJFFWKL-UHFFFAOYSA-N 2-ethylheptane-1,5-diol Chemical compound CCC(O)CCC(CC)CO STBKLWYSJFFWKL-UHFFFAOYSA-N 0.000 description 1
- HXYDAOXNYINGCS-UHFFFAOYSA-J 2-ethylhexanoate;tin(4+) Chemical compound [Sn+4].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O HXYDAOXNYINGCS-UHFFFAOYSA-J 0.000 description 1
- SDQROPCSKIYYAV-UHFFFAOYSA-N 2-methyloctane-1,8-diol Chemical compound OCC(C)CCCCCCO SDQROPCSKIYYAV-UHFFFAOYSA-N 0.000 description 1
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- OFNISBHGPNMTMS-UHFFFAOYSA-N 3-methylideneoxolane-2,5-dione Chemical compound C=C1CC(=O)OC1=O OFNISBHGPNMTMS-UHFFFAOYSA-N 0.000 description 1
- SXFJDZNJHVPHPH-UHFFFAOYSA-N 3-methylpentane-1,5-diol Chemical compound OCCC(C)CCO SXFJDZNJHVPHPH-UHFFFAOYSA-N 0.000 description 1
- HSSYVKMJJLDTKZ-UHFFFAOYSA-N 3-phenylphthalic acid Chemical compound OC(=O)C1=CC=CC(C=2C=CC=CC=2)=C1C(O)=O HSSYVKMJJLDTKZ-UHFFFAOYSA-N 0.000 description 1
- BHCFVCRRNLIOGM-UHFFFAOYSA-J C(CO)(=O)[O-].[Mo+4].C(CO)(=O)[O-].C(CO)(=O)[O-].C(CO)(=O)[O-] Chemical compound C(CO)(=O)[O-].[Mo+4].C(CO)(=O)[O-].C(CO)(=O)[O-].C(CO)(=O)[O-] BHCFVCRRNLIOGM-UHFFFAOYSA-J 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- OMRDSWJXRLDPBB-UHFFFAOYSA-N N=C=O.N=C=O.C1CCCCC1 Chemical compound N=C=O.N=C=O.C1CCCCC1 OMRDSWJXRLDPBB-UHFFFAOYSA-N 0.000 description 1
- IIGAAOXXRKTFAM-UHFFFAOYSA-N N=C=O.N=C=O.CC1=C(C)C(C)=C(C)C(C)=C1C Chemical compound N=C=O.N=C=O.CC1=C(C)C(C)=C(C)C(C)=C1C IIGAAOXXRKTFAM-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
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- 125000004430 oxygen atom Chemical group O* 0.000 description 1
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- 229920001223 polyethylene glycol Polymers 0.000 description 1
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- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
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- ZHROMWXOTYBIMF-UHFFFAOYSA-M sodium;1,3,7,9-tetratert-butyl-11-oxido-5h-benzo[d][1,3,2]benzodioxaphosphocine 11-oxide Chemical compound [Na+].C1C2=CC(C(C)(C)C)=CC(C(C)(C)C)=C2OP([O-])(=O)OC2=C1C=C(C(C)(C)C)C=C2C(C)(C)C ZHROMWXOTYBIMF-UHFFFAOYSA-M 0.000 description 1
- WSFQLUVWDKCYSW-UHFFFAOYSA-M sodium;2-hydroxy-3-morpholin-4-ylpropane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(O)CN1CCOCC1 WSFQLUVWDKCYSW-UHFFFAOYSA-M 0.000 description 1
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Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
Description
即ち、本発明の2つの特徴は、〔特徴1〕脂肪族ポリエステルポリオール(a1)及び芳香族ポリエステルポリオール(a2)を特定の質量比で含有するポリオール(A)をポリイソシアネート(B)とウレタン化反応させてなるイソシアネート基末端ウレタンプレポリマーを含有すること、及び〔特徴2〕特定の結晶核剤として芳香族ホスホン酸の金属塩(C)の存在下で反応させて、イソシアネート基末端ウレタンプレポリマーを得ること、である。
従来から、前記問題の改良が検討され、例えばウレタンプレポリマーに用いられるポリオールを構成するポリエステルポリオールの結晶性の向上により、ホットメルトウレタン樹脂組成物の射出成形時での脱型性の若干の改良は可能であったが、脆性、弾性、伸び、接着強度などの物性の低下が問題になっていた。
また、結晶化を促進させる目的で、例えば、リン酸エステルの金属塩、有機系リン酸金属塩、合成ワックスなどの種々の結晶核剤の配合も検討されてきた。しかしながら、従来の結晶核剤では樹脂組成物の脱型性は多少改善されたとしても、決して充分ではなく満足いくものではなかった。
また、本発明では、特に断りのない限り、「部」は「質量部」、「%」は「質量%」である。
尚、本発明で用いた測定方法及び評価方法は、以下の通りである。
実施例及び比較例で得た湿気硬化性ホットメルトウレタン樹脂組成物(ホットメルトモールディング用RHM)を110℃に加熱溶融させ、23℃のアルミ製金型(Φ50mm×3tmmクローズ型)に6g注入し5秒後に脱型して、成形品(ホットメルトモールディング)を作成した。
成形後、直ちに23℃の温度条件下で脱型開始時点を0秒として脱型開始時点から30秒毎の成形品上面の硬度を日本工業規格(JIS) K6253法に準拠して測定し、硬度の経時変化を測定して、下記の基準に従い、脱型性を評価する。
実型の脱型可能時間を推定するため、上記の成形品について一定硬度(JIS A硬度20)に達する所要時間を測定する。脱型時の保形性を確保できる硬度はJIS A硬度20以上が必要であり、JIS A硬度20以下では形状保持性が劣る。A硬度20を超える時間を「脱型可能時間」(秒)とした。脱型作業開始から30秒間は脱型作業中のため、実質上硬度測定ができないので脱型作業開始30秒以降のA硬度測定を行った。
尚、A硬度測定による脱型可能時間(脱型性)の評価は、以下の基準に従い行なった。
脱型性の評価基準(脱型開始30秒後の硬度経時変化)
○: JIS A硬度が20以上。
×: JIS A硬度が20未満。
実施例及び比較例で得た湿気硬化性ホットメルトウレタン樹脂組成物を110℃に加熱溶融させ、110℃に加熱したナイフコーターを用いて、離型紙上に100μmの厚みに塗布した後、湿気硬化処理(温度23℃、相対湿度65%の恒温恒湿槽中3日間放置)により、フィルムを作成した。
前記フィルムを幅5mm×長さ70mm×厚み100μmの形状に切り取った試験片を用いて、JIS K7127に準拠して、テンシロン((株)島津製作所製、ヘッドスピード=300mm/分)により、引張特性(応力(MPa)と伸び(%))を測定した。
尚、引張特性は、以下の基準に従い評価した。
引張特性の評価基準。
○:応力が20MPa以上、及び/又は伸びが700%以上。
△:応力が10MPa以上20MPa未満、及び/又は伸びが500%以上700%未満。
×:応力が10MPa未満、及び/又は伸びが500%未満。
≪湿気硬化性ホットメルトウレタン樹脂組成物の調整≫
1リットル4ツ口フラスコに、1,6−ヘキサンジオール(HG)とセバシン酸(SEBA)をHG/SEBA=40/60質量比で反応させて得られる脂肪族ポリエステルポリオール(a1)(Mn=3500)70質量部、及びエチレングリコール(EG)、無水フタル酸、テレフタル酸(TPA)、アジピン酸(AA)をEG/無水PA/TPA/AA=30/14/15/41質量比で反応させ得られる芳香族ポリエステルポリオール(a2)(Mn=3500)30質量部とを混合し溶融させてポリオール(A)を調整した。
次いで、芳香族ホスホン酸の金属塩(C)としてフェニルホスホン酸の亜鉛塩(平均粒子径200nm(0.2μm)のもの)1質量部加え、120℃に加熱して減圧条件下、水分が0.05質量%になるまで脱水した。
その後、70℃に冷却し、ポリイソシアネート(C)として4,4’−ジフェニルメタンジイソシアネート(4,4’MDI)を14質量部加えて、次いで90℃でNCO含有量(%)が一定になるまで3時間反応させ、本発明の湿気硬化性ホットメルトウレタン樹脂組成物(X1)を得た。
実施例1で得た前記湿気硬化性ホットメルトウレタン樹脂組成物(X1)は、コーンプレート粘度計で測定した溶融粘度が8600mPa・s(測定温度120℃)であり、NCO含有量は1.98質量%であった。
前記湿気硬化性ホットメルトウレタン樹脂組成物(X1)を用い、前述の条件に従い、成形品(ホットメルトモールディング)(Y1)及びフィルム(F1)を作成した。前記成形品(Y1)の硬度及びフィルム(F1)の引張特性などの測定結果を第1表にまとめた。
実施例1で得た本発明の湿気硬化性ホットメルトウレタン樹脂組成物(X1)は、粘度が適度であり、作業性及び速固化性に優れており、成形品(Y1)及びフィルム(F1)は優れた物性を有していた。
実施例1と同様の操作にて、第1表に記載の組成で実施例2〜3を行った。
実施例2〜3で得た本発明の湿気硬化性ホットメルトウレタン樹脂組成物(X2)〜(X3)、成形品(Y1)〜(Y3)、及びフィルム(F2)〜(F3)は、何れも優れた性能を有していた。
実施例1と同様の操作にて、第2表に記載の組成で比較例1〜7を行なった。
比較例1〜7で得た湿気硬化性ホットメルトウレタン樹脂組成物(X8)〜(X14)、成形品(Y8)〜(Y14)、及びフィルム(F8)〜(F14)は、何れも性能に劣っていた。
HG :1,6−ヘキサンジオール
SEBA :セバシン酸
EG :エチレングリコール
NPG :ネオペンチルグリコール
無水PA :無水フタル酸
TPA :テレフタル酸
IPA :イソフタル酸
AA :アジピン酸
4,4’MDI:4,4’−ジフェニルメタンジイソシアネート
アデカスタブ NA−11:商品名、旭電化工業株式会社製、リン酸2,2’−メチレンビス(4,6−ジ−t−ブチルフェニル)ナトリウム
リコワックス E:商品名、クラリアントジャパン株式会社製、モンタン酸のエステルワックス
Claims (7)
- ポリオール(A)とポリイソシアネート(B)を、結晶核剤として芳香族ホスホン酸の金属塩(C)の存在下で反応させて得られるイソシアネート基末端ウレタンプレポリマーを含む湿気硬化性ホットメルトウレタン樹脂組成物であり、前記ポリオール(A)100質量部中に、脂肪族ポリエステルポリオール(a1)50〜90質量部及び芳香族ポリエステルポリオール(a2)10〜50質量部を含有することを特徴とする湿気硬化性ホットメルトウレタン樹脂組成物。
- 前記芳香族ホスホン酸の金属塩(C)が、フェニルホスホン酸化合物の金属塩である請求項1に記載の湿気硬化性ホットメルトウレタン樹脂組成物。
- 前記芳香族ホスホン酸の金属塩(C)が、フェニルホスホン酸化合物の亜鉛塩又はコバルト塩である請求項1に記載の湿気硬化性ホットメルトウレタン樹脂組成物。
- 前記芳香族ホスホン酸の金属塩(C)の平均粒子径が、0.01〜3.0μmの範囲である請求項1に記載の湿気硬化性ホットメルトウレタン樹脂組成物。
- 前記ポリオール(A)100質量部に対して、前記芳香族ホスホン酸の金属塩(C)を0.1〜3.0質量部配合してなる請求項1に記載の湿気硬化性ホットメルトウレタン樹脂組成物。
- 110℃に加熱溶融させ、23℃のアルミ製金型(Φ50mm×3tmmクローズ型)に6g注入し5秒後に脱型し、成形後直ちに23℃の温度条件下で、脱型開始時点を0秒として脱型開始時点から30秒毎の成形品上面の硬度を日本工業規格 K6253法に準拠して測定した場合に、前記成形品上面のJIS A硬度が、脱型開始30秒後に20以上である請求項1に記載の湿気硬化性ホットメルトウレタン樹脂組成物。
- 請求項1〜6の何れか一項に記載の湿気硬化性ホットメルトウレタン樹脂組成物を用いて成形してなることを特徴とする成形品。
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