JP5384393B2 - ポリ乳酸樹脂組成物およびその製造方法 - Google Patents
ポリ乳酸樹脂組成物およびその製造方法 Download PDFInfo
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- JP5384393B2 JP5384393B2 JP2010027478A JP2010027478A JP5384393B2 JP 5384393 B2 JP5384393 B2 JP 5384393B2 JP 2010027478 A JP2010027478 A JP 2010027478A JP 2010027478 A JP2010027478 A JP 2010027478A JP 5384393 B2 JP5384393 B2 JP 5384393B2
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- Prior art keywords
- polylactic acid
- mol
- lactic acid
- resin composition
- liquid crystal
- Prior art date
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- 229920000747 poly(lactic acid) Polymers 0.000 title claims description 143
- 239000004626 polylactic acid Substances 0.000 title claims description 143
- 239000011342 resin composition Substances 0.000 title claims description 53
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 229920001400 block copolymer Polymers 0.000 claims description 68
- 229920000106 Liquid crystal polymer Polymers 0.000 claims description 67
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 claims description 67
- JVTAAEKCZFNVCJ-UWTATZPHSA-N D-lactic acid Chemical group C[C@@H](O)C(O)=O JVTAAEKCZFNVCJ-UWTATZPHSA-N 0.000 claims description 37
- 229920005989 resin Polymers 0.000 claims description 32
- 239000011347 resin Substances 0.000 claims description 32
- -1 carbodiimide compound Chemical class 0.000 claims description 31
- JVTAAEKCZFNVCJ-REOHCLBHSA-N L-lactic acid Chemical group C[C@H](O)C(O)=O JVTAAEKCZFNVCJ-REOHCLBHSA-N 0.000 claims description 25
- 229920000642 polymer Polymers 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 19
- 125000003118 aryl group Chemical group 0.000 claims description 17
- 238000004898 kneading Methods 0.000 claims description 17
- 238000002844 melting Methods 0.000 claims description 17
- 230000008018 melting Effects 0.000 claims description 17
- 229920000728 polyester Polymers 0.000 claims description 15
- 239000013078 crystal Substances 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000004593 Epoxy Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 6
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 238000005191 phase separation Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 238000010128 melt processing Methods 0.000 claims 1
- 239000012071 phase Substances 0.000 description 22
- 238000005259 measurement Methods 0.000 description 20
- 239000000178 monomer Substances 0.000 description 20
- 239000000047 product Substances 0.000 description 20
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 18
- 229920001432 poly(L-lactide) Polymers 0.000 description 17
- 229920001577 copolymer Polymers 0.000 description 14
- 239000003484 crystal nucleating agent Substances 0.000 description 14
- 229940022769 d- lactic acid Drugs 0.000 description 13
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 11
- 229930182843 D-Lactic acid Natural products 0.000 description 9
- 239000004310 lactic acid Substances 0.000 description 9
- 235000014655 lactic acid Nutrition 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 241000790917 Dioxys <bee> Species 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 8
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 8
- 238000006116 polymerization reaction Methods 0.000 description 8
- FJKROLUGYXJWQN-UHFFFAOYSA-N 4-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 7
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 7
- 239000002253 acid Substances 0.000 description 7
- 125000000217 alkyl group Chemical group 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 150000002148 esters Chemical class 0.000 description 7
- 239000000155 melt Substances 0.000 description 7
- 239000012298 atmosphere Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 125000003700 epoxy group Chemical group 0.000 description 6
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 6
- 239000002028 Biomass Substances 0.000 description 5
- 125000001931 aliphatic group Chemical group 0.000 description 5
- 125000003545 alkoxy group Chemical group 0.000 description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 5
- 150000004820 halides Chemical class 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 239000000454 talc Substances 0.000 description 5
- 229910052623 talc Inorganic materials 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 238000013329 compounding Methods 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 239000011256 inorganic filler Substances 0.000 description 4
- 229910003475 inorganic filler Inorganic materials 0.000 description 4
- 239000012766 organic filler Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 229940090248 4-hydroxybenzoic acid Drugs 0.000 description 3
- KAUQJMHLAFIZDU-UHFFFAOYSA-N 6-Hydroxy-2-naphthoic acid Chemical compound C1=C(O)C=CC2=CC(C(=O)O)=CC=C21 KAUQJMHLAFIZDU-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 239000005711 Benzoic acid Substances 0.000 description 3
- 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 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- VCCBEIPGXKNHFW-UHFFFAOYSA-N biphenyl-4,4'-diol Chemical group C1=CC(O)=CC=C1C1=CC=C(O)C=C1 VCCBEIPGXKNHFW-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- CWLKGDAVCFYWJK-UHFFFAOYSA-N 3-aminophenol Chemical compound NC1=CC=CC(O)=C1 CWLKGDAVCFYWJK-UHFFFAOYSA-N 0.000 description 2
- IJFXRHURBJZNAO-UHFFFAOYSA-N 3-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=CC(O)=C1 IJFXRHURBJZNAO-UHFFFAOYSA-N 0.000 description 2
- ALYNCZNDIQEVRV-UHFFFAOYSA-N 4-aminobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1 ALYNCZNDIQEVRV-UHFFFAOYSA-N 0.000 description 2
- PLIKAWJENQZMHA-UHFFFAOYSA-N 4-aminophenol Chemical compound NC1=CC=C(O)C=C1 PLIKAWJENQZMHA-UHFFFAOYSA-N 0.000 description 2
- BCEQKAQCUWUNML-UHFFFAOYSA-N 4-hydroxybenzene-1,3-dicarboxylic acid Chemical compound OC(=O)C1=CC=C(O)C(C(O)=O)=C1 BCEQKAQCUWUNML-UHFFFAOYSA-N 0.000 description 2
- QNVNLUSHGRBCLO-UHFFFAOYSA-N 5-hydroxybenzene-1,3-dicarboxylic acid Chemical compound OC(=O)C1=CC(O)=CC(C(O)=O)=C1 QNVNLUSHGRBCLO-UHFFFAOYSA-N 0.000 description 2
- OZJPLYNZGCXSJM-UHFFFAOYSA-N 5-valerolactone Chemical compound O=C1CCCCO1 OZJPLYNZGCXSJM-UHFFFAOYSA-N 0.000 description 2
- 208000010444 Acidosis Diseases 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004974 Thermotropic liquid crystal Substances 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 125000004018 acid anhydride group Chemical group 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000007950 acidosis Effects 0.000 description 2
- 208000026545 acidosis disease Diseases 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- 150000004984 aromatic diamines Chemical class 0.000 description 2
- 229920002988 biodegradable polymer Polymers 0.000 description 2
- 239000004621 biodegradable polymer Substances 0.000 description 2
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 2
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- FIASKJZPIYCESA-UHFFFAOYSA-L calcium;octacosanoate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCCCCCCCCCCCC([O-])=O FIASKJZPIYCESA-UHFFFAOYSA-L 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
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- 239000003822 epoxy resin Substances 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
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- 239000010439 graphite Substances 0.000 description 2
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- 125000005843 halogen group Chemical group 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 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 2
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
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- 230000020477 pH reduction Effects 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
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- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
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- 229920006149 polyester-amide block copolymer Polymers 0.000 description 2
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- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 2
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
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- 238000007151 ring opening polymerisation reaction Methods 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
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- 150000003384 small molecules Chemical class 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- YKIBJOMJPMLJTB-UHFFFAOYSA-M sodium;octacosanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCCCCCCCCCCCC([O-])=O YKIBJOMJPMLJTB-UHFFFAOYSA-M 0.000 description 2
- PXQLVRUNWNTZOS-UHFFFAOYSA-N sulfanyl Chemical class [SH] PXQLVRUNWNTZOS-UHFFFAOYSA-N 0.000 description 2
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- 238000010792 warming Methods 0.000 description 2
- HZVFRKSYUGFFEJ-YVECIDJPSA-N (2r,3r,4s,5r)-7-phenylhept-6-ene-1,2,3,4,5,6-hexol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=CC1=CC=CC=C1 HZVFRKSYUGFFEJ-YVECIDJPSA-N 0.000 description 1
- KAKVFSYQVNHFBS-UHFFFAOYSA-N (5-hydroxycyclopenten-1-yl)-phenylmethanone Chemical compound OC1CCC=C1C(=O)C1=CC=CC=C1 KAKVFSYQVNHFBS-UHFFFAOYSA-N 0.000 description 1
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 1
- FRASJONUBLZVQX-UHFFFAOYSA-N 1,4-dioxonaphthalene Natural products C1=CC=C2C(=O)C=CC(=O)C2=C1 FRASJONUBLZVQX-UHFFFAOYSA-N 0.000 description 1
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- BOKGTLAJQHTOKE-UHFFFAOYSA-N 1,5-dihydroxynaphthalene Chemical compound C1=CC=C2C(O)=CC=CC2=C1O BOKGTLAJQHTOKE-UHFFFAOYSA-N 0.000 description 1
- YFOOEYJGMMJJLS-UHFFFAOYSA-N 1,8-diaminonaphthalene Chemical compound C1=CC(N)=C2C(N)=CC=CC2=C1 YFOOEYJGMMJJLS-UHFFFAOYSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
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- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 1
- MVOSYKNQRRHGKX-UHFFFAOYSA-N 11-Undecanolactone Chemical compound O=C1CCCCCCCCCCO1 MVOSYKNQRRHGKX-UHFFFAOYSA-N 0.000 description 1
- 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 1
- RDYWHMBYTHVOKZ-UHFFFAOYSA-N 18-hydroxyoctadecanamide Chemical compound NC(=O)CCCCCCCCCCCCCCCCCO RDYWHMBYTHVOKZ-UHFFFAOYSA-N 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- XUWOAUCQJYFQLT-UHFFFAOYSA-N 2,2-diphenylpropane-1,1,1-triol Chemical compound C=1C=CC=CC=1C(C(O)(O)O)(C)C1=CC=CC=C1 XUWOAUCQJYFQLT-UHFFFAOYSA-N 0.000 description 1
- BZUILZIKDIMXBK-UHFFFAOYSA-N 2-(oxiran-2-ylmethoxycarbonyl)benzoic acid Chemical class OC(=O)C1=CC=CC=C1C(=O)OCC1OC1 BZUILZIKDIMXBK-UHFFFAOYSA-N 0.000 description 1
- HMOZDINWBHMBSQ-UHFFFAOYSA-N 2-[3-(4,5-dihydro-1,3-oxazol-2-yl)phenyl]-4,5-dihydro-1,3-oxazole Chemical compound O1CCN=C1C1=CC=CC(C=2OCCN=2)=C1 HMOZDINWBHMBSQ-UHFFFAOYSA-N 0.000 description 1
- ZDNUPMSZKVCETJ-UHFFFAOYSA-N 2-[4-(4,5-dihydro-1,3-oxazol-2-yl)phenyl]-4,5-dihydro-1,3-oxazole Chemical compound O1CCN=C1C1=CC=C(C=2OCCN=2)C=C1 ZDNUPMSZKVCETJ-UHFFFAOYSA-N 0.000 description 1
- NYHNVHGFPZAZGA-UHFFFAOYSA-N 2-hydroxyhexanoic acid Chemical compound CCCCC(O)C(O)=O NYHNVHGFPZAZGA-UHFFFAOYSA-N 0.000 description 1
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- MNZMMCVIXORAQL-UHFFFAOYSA-N naphthalene-2,6-diol Chemical compound C1=C(O)C=CC2=CC(O)=CC=C21 MNZMMCVIXORAQL-UHFFFAOYSA-N 0.000 description 1
- WPUMVKJOWWJPRK-UHFFFAOYSA-N naphthalene-2,7-dicarboxylic acid Chemical compound C1=CC(C(O)=O)=CC2=CC(C(=O)O)=CC=C21 WPUMVKJOWWJPRK-UHFFFAOYSA-N 0.000 description 1
- DFQICHCWIIJABH-UHFFFAOYSA-N naphthalene-2,7-diol Chemical compound C1=CC(O)=CC2=CC(O)=CC=C21 DFQICHCWIIJABH-UHFFFAOYSA-N 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- FVXBCDWMKCEPCL-UHFFFAOYSA-N nonane-1,1-diol Chemical compound CCCCCCCCC(O)O FVXBCDWMKCEPCL-UHFFFAOYSA-N 0.000 description 1
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 1
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 150000004893 oxazines Chemical class 0.000 description 1
- 150000002918 oxazolines Chemical class 0.000 description 1
- AFEQENGXSMURHA-UHFFFAOYSA-N oxiran-2-ylmethanamine Chemical compound NCC1CO1 AFEQENGXSMURHA-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical class O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000005015 poly(hydroxybutyrate) Substances 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920002961 polybutylene succinate Polymers 0.000 description 1
- 239000004631 polybutylene succinate Substances 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 239000004300 potassium benzoate Substances 0.000 description 1
- 235000010235 potassium benzoate Nutrition 0.000 description 1
- 229940103091 potassium benzoate Drugs 0.000 description 1
- FRMWBRPWYBNAFB-UHFFFAOYSA-M potassium salicylate Chemical compound [K+].OC1=CC=CC=C1C([O-])=O FRMWBRPWYBNAFB-UHFFFAOYSA-M 0.000 description 1
- 229960003629 potassium salicylate Drugs 0.000 description 1
- 229940114930 potassium stearate Drugs 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- ANBFRLKBEIFNQU-UHFFFAOYSA-M potassium;octadecanoate Chemical compound [K+].CCCCCCCCCCCCCCCCCC([O-])=O ANBFRLKBEIFNQU-UHFFFAOYSA-M 0.000 description 1
- PYJBVGYZXWPIKK-UHFFFAOYSA-M potassium;tetradecanoate Chemical compound [K+].CCCCCCCCCCCCCC([O-])=O PYJBVGYZXWPIKK-UHFFFAOYSA-M 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229960000380 propiolactone Drugs 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- CQRYARSYNCAZFO-UHFFFAOYSA-N salicyl alcohol Chemical compound OCC1=CC=CC=C1O CQRYARSYNCAZFO-UHFFFAOYSA-N 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 229960003885 sodium benzoate Drugs 0.000 description 1
- BTURAGWYSMTVOW-UHFFFAOYSA-M sodium dodecanoate Chemical compound [Na+].CCCCCCCCCCCC([O-])=O BTURAGWYSMTVOW-UHFFFAOYSA-M 0.000 description 1
- 229940082004 sodium laurate Drugs 0.000 description 1
- 229940045845 sodium myristate Drugs 0.000 description 1
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
- 229960004025 sodium salicylate Drugs 0.000 description 1
- 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
- KVCGISUBCHHTDD-UHFFFAOYSA-M sodium;4-methylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1 KVCGISUBCHHTDD-UHFFFAOYSA-M 0.000 description 1
- XTIVBOWLUYDHKE-UHFFFAOYSA-M sodium;cyclohexanecarboxylate Chemical compound [Na+].[O-]C(=O)C1CCCCC1 XTIVBOWLUYDHKE-UHFFFAOYSA-M 0.000 description 1
- JUQGWKYSEXPRGL-UHFFFAOYSA-M sodium;tetradecanoate Chemical compound [Na+].CCCCCCCCCCCCCC([O-])=O JUQGWKYSEXPRGL-UHFFFAOYSA-M 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000009283 thermal hydrolysis Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Images
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- Compositions Of Macromolecular Compounds (AREA)
- Biological Depolymerization Polymers (AREA)
- Artificial Filaments (AREA)
Description
0.4≦p/q≦2.0
2モル%≦r≦15モル%、
2モル%≦s≦15モル%、および、
p+q+r+s=100モル%]。
35モル%≦p≦48モル%、
35モル%≦q≦48モル%、
2モル%≦r≦15モル%、および、
2モル%≦s≦15モル%。
本発明において用いる液晶ポリマーの製造方法に特に制限はなく、前記の単量体の組み合わせからなるエステル結合またはアミド結合を形成させる公知の重縮合方法、例えば溶融アシドリシス法、スラリー重合法などを用いることができる。
触媒の具体例としては、ジアルキルスズオキシド(たとえばジブチルスズオキシド)、ジアリールスズオキシドなどの有機スズ化合物;三酸化アンチモン;二酸化チタン;アルコキシチタンシリケート、チタンアルコキシドなどの有機チタン化合物;カルボン酸のアルカリまたはアルカリ土類金属塩(たとえば酢酸カリウム);無機酸塩類(たとえば硫酸カリウム);ルイス酸(例えば三フッ化硼素);ハロゲン化水素(例えば塩化水素)などの気体状酸触媒などが挙げられる。
実施例および比較例において、ポリ乳酸ブロック共重合体、液晶ポリマー、および相溶化剤は、以下のものを使用した。
・ポリ乳酸ブロック共重合体:WO2008/081617号公報の実施例2に記載の方法に準じて作成した、ポリL−乳酸単位(L成分)/ポリD−乳酸単位(D成分)の組成比が80/20である偏組成ポリ乳酸ブロック共重合体(数平均分子量140,000、重量平均分子量200,000、結晶融解温度199.4℃)。
・液晶ポリマー:上野製薬株式会社製芳香族液晶ポリエステル(パラヒドロキシ安息香酸/6−ヒドロキシ−2−ナフトエ酸/ハイドロキノン/テレフタル酸共重合体、結晶融解温度220℃)。
・相溶化剤:日清紡績株式会社製ポリカルボジイミド、カルボジライトHMV−8CA。
溶融混練により得られたポリ乳酸樹脂組成物サンプルを液体窒素で冷却し、切断した後で白金蒸着したサンプルを日立製作所社製電子顕微鏡Hitachi S−3400Nを用いて倍率200倍で切断面観察した。
サンプル4mgを専用アルミニウムパンに入れ、PerkinElmer社製のイントラクーラー付き示差走査熱量計DiamondDSCを用いて、窒素ガス雰囲気下、昇温速度20℃/分、温度範囲20℃〜240℃(1stスキャン)の条件で測定した後、サンプルをイントラクーラーで急冷し、再び同条件で20℃〜240℃(2ndスキャン)で測定した。2ndスキャンにて150℃以上に観察される吸熱ピークのピークトップ温度を結晶融解温度とした。
溶融混練射出成形により得られたポリ乳酸樹脂組成物サンプルを、100℃で6時間減圧乾燥し、230℃でプレスした後に急冷し、厚み0.1mmのフィルムを作成した。このようにして作成したポリ乳酸樹脂組成物フィルムを2mmの幅に切り出し測定サンプルとした。セイコーインスツルメンツ社製動的粘弾性測定装置DMS6100を用いて、このサンプルの引張動的貯蔵弾性率を昇温速度3℃/分の下で測定し評価した。測定に際し、周波数1Hz、チャック間距離20mmとした。
ポリ乳酸ブロック共重合体1.20g、液晶ポリマー0.30gを混合し、100℃で6時間減圧乾燥した。この乾燥混合物を井本製作所製微量混錬射出成形機(IMC−18E9型)を使用し、シリンダー温度230℃で、直径15mmのノズルを使用しスクリュー回転速度100rpmで混練しながら押し出し、ポリ乳酸樹脂組成物サンプルを作成した。
ポリ乳酸ブロック共重合体および液晶ポリマーに加えて、さらに相溶化剤0.015gを使用すること以外は、実施例1と同様にして、ポリ乳酸樹脂組成物を得た。このポリ乳酸樹脂組成物サンプルを観察した結果、実施例1と比較して、より結晶化度が高いものであった。このポリ乳酸樹脂組成物サンプルの動的粘弾性測定により耐熱性を評価した。結果を図3および表1に示す。
ポリ乳酸ブロック共重合体、液晶ポリマーおよび相溶化剤の添加量を表1のとおりとした以外は実施例1と同様にしてポリ乳酸樹脂組成物サンプルを作成し、相分離構造の観察、耐熱性の評価を行った。結果を図4〜図7および表1に示す。
液晶ポリマーおよび相溶化剤を配合せず、ポリ乳酸ブロック共重合体のみを用いて実施例1と同様にして、ポリ乳酸樹脂組成物サンプルを作成した。比較例1のサンプルの動的粘弾性の測定結果は、図2〜図7において比較例として破線で示したとおりである。
実施例1および比較例1で得られたサンプルについて、厚さ1mm、幅2mmの試験片を作成し、オリエンテック株式会社製STA−1150装置を用いて、室温で標線間距離20mm、クロスヘッド速度50mm/分の条件で測定した。4回の測定の平均値により、引張強度および引張弾性率の測定値とした。結果を表1に示す。
Claims (12)
- L−乳酸単位とD−乳酸単位との重量比がL−乳酸単位/D−乳酸単位=60/40〜91/9であるか、または、D−乳酸単位とL−乳酸単位との重量比がD−乳酸単位/L−乳酸単位=60/40〜91/9であるポリ乳酸ブロック共重合体、および、
ポリ乳酸ブロック共重合体100重量部に対して1〜60重量部の、以下の式[I]〜[IV]で示される繰返し単位により構成される液晶ポリエステル:
0.4≦p/q≦2.0
2モル%≦r≦15モル%、
2モル%≦s≦15モル%、および、
p+q+r+s=100モル%]
であって示差走査熱量計により測定された結晶融解温度が170〜250℃である液晶ポリマー
を含有する、ポリ乳酸樹脂組成物。 - ポリ乳酸ブロック共重合体の重量平均分子量が40,000〜500,000である、請求項1記載のポリ乳酸樹脂組成物。
- 式[I]〜[IV]で表される繰返し単位の組成比が以下の式を満たすものである、請求項1または2記載のポリ乳酸樹脂組成物:
35モル%≦p≦48モル%、
35モル%≦q≦48モル%、
2モル%≦r≦15モル%、および、
2モル%≦s≦15モル%。 - さらに、ポリ乳酸ブロック共重合体100重量部に対して10重量部までの相溶化剤を含む、請求項1〜4のいずれかに記載のポリ乳酸樹脂組成物。
- 相溶化剤が、カルボジイミド化合物、および多官能エポキシ化合物からなる群から選ばれる少なくとも1種である、請求項5記載のポリ乳酸樹脂組成物。
- 電子顕微鏡で観察される樹脂相分離構造において、ポリ乳酸ブロック共重合体が連続相、液晶ポリマーが分散相となる相構造を形成する、請求項1〜6のいずれかに記載のポリ乳酸樹脂組成物。
- 貯蔵弾性率が、107〜1011Paである、請求項1〜7のいずれかに記載のポリ乳酸樹脂組成物。
- 請求項1〜8のいずれかに記載のポリ乳酸樹脂組成物を溶融加工して得られる、成形品、フィルムおよび繊維からなる群から選択される製品。
- L−乳酸単位とD−乳酸単位との重量比がL−乳酸単位/D−乳酸単位=60/40〜91/9であるか、または、D−乳酸単位とL−乳酸単位との重量比がD−乳酸単位/L−乳酸単位=60/40〜91/9であるポリ乳酸ブロック共重合体100重量部に対し、以下の式[I]〜[IV]で示される繰返し単位により構成される液晶ポリエステル:
0.4≦p/q≦2.0
2モル%≦r≦15モル%、
2モル%≦s≦15モル%、および、
p+q+r+s=100モル%]
であって示差走査熱量計により測定された結晶融解温度が170〜250℃である液晶ポリマー1〜50重量部を配合し、170〜250℃の温度下で溶融混練することにより、ポリ乳酸ブロック共重合体を連続相とし、液晶ポリマーが分散相となる相構造を形成するポリ乳酸樹脂組成物の製造方法。 - さらに、ポリ乳酸ブロック共重合体100重量部に対して10重量部までの相溶化剤を配合する、請求項10記載のポリ乳酸樹脂組成物の製造方法。
- 請求項10または11に記載の方法にて得られたポリ乳酸樹脂組成物。
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