JP6125644B2 - ラクチド共重合体、その製造方法およびこれを含む樹脂組成物 - Google Patents
ラクチド共重合体、その製造方法およびこれを含む樹脂組成物 Download PDFInfo
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- JP6125644B2 JP6125644B2 JP2015535587A JP2015535587A JP6125644B2 JP 6125644 B2 JP6125644 B2 JP 6125644B2 JP 2015535587 A JP2015535587 A JP 2015535587A JP 2015535587 A JP2015535587 A JP 2015535587A JP 6125644 B2 JP6125644 B2 JP 6125644B2
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- 229920001577 copolymer Polymers 0.000 title claims description 142
- 238000000034 method Methods 0.000 title description 17
- 239000011342 resin composition Substances 0.000 title description 13
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- 239000003054 catalyst Substances 0.000 claims description 49
- -1 diisocyanate compound Chemical class 0.000 claims description 44
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 35
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 35
- 239000012948 isocyanate Substances 0.000 claims description 30
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 28
- 229920000570 polyether Polymers 0.000 claims description 28
- 150000003077 polyols Chemical class 0.000 claims description 28
- 238000004519 manufacturing process Methods 0.000 claims description 27
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 claims description 25
- 239000000178 monomer Substances 0.000 claims description 22
- 150000001875 compounds Chemical class 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 125000004432 carbon atom Chemical group C* 0.000 claims description 18
- 229920000642 polymer Polymers 0.000 claims description 17
- 239000000126 substance Substances 0.000 claims description 17
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- 229910052718 tin Inorganic materials 0.000 claims description 13
- 125000002524 organometallic group Chemical group 0.000 claims description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 11
- 229910052725 zinc Inorganic materials 0.000 claims description 10
- 239000011701 zinc Substances 0.000 claims description 10
- 239000003999 initiator Substances 0.000 claims description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 8
- 125000002947 alkylene group Chemical group 0.000 claims description 8
- 239000005056 polyisocyanate Substances 0.000 claims description 8
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- 238000007142 ring opening reaction Methods 0.000 claims description 3
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
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- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 2
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 2
- 125000002993 cycloalkylene group Chemical group 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 2
- 230000000379 polymerizing effect Effects 0.000 claims 1
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- 238000000354 decomposition reaction Methods 0.000 description 7
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- 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 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000007062 hydrolysis Effects 0.000 description 5
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- 229920001515 polyalkylene glycol Polymers 0.000 description 5
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- JJTUDXZGHPGLLC-IMJSIDKUSA-N 4511-42-6 Chemical compound C[C@@H]1OC(=O)[C@H](C)OC1=O JJTUDXZGHPGLLC-IMJSIDKUSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000005481 NMR spectroscopy Methods 0.000 description 4
- 239000002202 Polyethylene glycol Substances 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical group CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
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- 238000005227 gel permeation chromatography Methods 0.000 description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 238000012643 polycondensation polymerization Methods 0.000 description 4
- 229920001223 polyethylene glycol Polymers 0.000 description 4
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000012662 bulk polymerization Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000004581 coalescence Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 125000005442 diisocyanate group Chemical group 0.000 description 3
- 239000000499 gel Substances 0.000 description 3
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000012785 packaging film Substances 0.000 description 3
- 229920006280 packaging film Polymers 0.000 description 3
- 230000037048 polymerization activity Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical group C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 2
- JVTAAEKCZFNVCJ-REOHCLBHSA-N L-lactic acid Chemical compound C[C@H](O)C(O)=O JVTAAEKCZFNVCJ-REOHCLBHSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 238000012644 addition polymerization Methods 0.000 description 2
- 150000001718 carbodiimides Chemical class 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 235000013305 food Nutrition 0.000 description 2
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- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 125000005647 linker group Chemical group 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
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- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920001748 polybutylene Polymers 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
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- ZTNJGMFHJYGMDR-UHFFFAOYSA-N 1,2-diisocyanatoethane Chemical compound O=C=NCCN=C=O ZTNJGMFHJYGMDR-UHFFFAOYSA-N 0.000 description 1
- VGHSXKTVMPXHNG-UHFFFAOYSA-N 1,3-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC(N=C=O)=C1 VGHSXKTVMPXHNG-UHFFFAOYSA-N 0.000 description 1
- GNQKHBSIBXSFFD-UHFFFAOYSA-N 1,3-diisocyanatocyclohexane Chemical compound O=C=NC1CCCC(N=C=O)C1 GNQKHBSIBXSFFD-UHFFFAOYSA-N 0.000 description 1
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 1
- ALQLPWJFHRMHIU-UHFFFAOYSA-N 1,4-diisocyanatobenzene Chemical compound O=C=NC1=CC=C(N=C=O)C=C1 ALQLPWJFHRMHIU-UHFFFAOYSA-N 0.000 description 1
- CDMDQYCEEKCBGR-UHFFFAOYSA-N 1,4-diisocyanatocyclohexane Chemical compound O=C=NC1CCC(N=C=O)CC1 CDMDQYCEEKCBGR-UHFFFAOYSA-N 0.000 description 1
- 229940008841 1,6-hexamethylene diisocyanate Drugs 0.000 description 1
- JIABEENURMZTTI-UHFFFAOYSA-N 1-isocyanato-2-[(2-isocyanatophenyl)methyl]benzene Chemical compound O=C=NC1=CC=CC=C1CC1=CC=CC=C1N=C=O JIABEENURMZTTI-UHFFFAOYSA-N 0.000 description 1
- LFSYUSUFCBOHGU-UHFFFAOYSA-N 1-isocyanato-2-[(4-isocyanatophenyl)methyl]benzene Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=CC=C1N=C=O LFSYUSUFCBOHGU-UHFFFAOYSA-N 0.000 description 1
- ICLCCFKUSALICQ-UHFFFAOYSA-N 1-isocyanato-4-(4-isocyanato-3-methylphenyl)-2-methylbenzene Chemical compound C1=C(N=C=O)C(C)=CC(C=2C=C(C)C(N=C=O)=CC=2)=C1 ICLCCFKUSALICQ-UHFFFAOYSA-N 0.000 description 1
- BOZRCGLDOHDZBP-UHFFFAOYSA-N 2-ethylhexanoic acid;tin Chemical compound [Sn].CCCCC(CC)C(O)=O BOZRCGLDOHDZBP-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 229930182843 D-Lactic acid Natural products 0.000 description 1
- JVTAAEKCZFNVCJ-UWTATZPHSA-N D-lactic acid Chemical compound C[C@@H](O)C(O)=O JVTAAEKCZFNVCJ-UWTATZPHSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- CVOWOOVNWMIICO-UHFFFAOYSA-N N=C=O.N=C=O.C(C1=CC=CC=C1)=CC1=CC=CC=C1 Chemical compound N=C=O.N=C=O.C(C1=CC=CC=C1)=CC1=CC=CC=C1 CVOWOOVNWMIICO-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 229920005605 branched copolymer Polymers 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000001460 carbon-13 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 229940052810 complex b Drugs 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229940022769 d- lactic acid Drugs 0.000 description 1
- AYOHIQLKSOJJQH-UHFFFAOYSA-N dibutyltin Chemical compound CCCC[Sn]CCCC AYOHIQLKSOJJQH-UHFFFAOYSA-N 0.000 description 1
- HGQSXVKHVMGQRG-UHFFFAOYSA-N dioctyltin Chemical compound CCCCCCCC[Sn]CCCCCCCC HGQSXVKHVMGQRG-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 235000013611 frozen food Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229920005684 linear copolymer Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 235000011888 snacks Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 description 1
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- 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
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
-
- 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
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/08—Lactones or lactides
-
- 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
- C08G18/4887—Polyethers containing carboxylic ester groups derived from carboxylic acids other than acids of higher fatty oils or other than resin acids
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/66—Polyesters containing oxygen in the form of ether groups
- C08G63/664—Polyesters containing oxygen in the form of ether groups derived from hydroxy carboxylic acids
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/823—Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2387/00—Characterised by the use of unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon bonds
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Polyesters Or Polycarbonates (AREA)
- Polyurethanes Or Polyureas (AREA)
- Biological Depolymerization Polymers (AREA)
Description
下記の実施例および比較例において、空気や水に敏感な化合物を扱うすべての作業は、標準シュレンク技術(standard Schlenk technique)またはドライボックス技術を利用して実施した。
Sn(Oct)2(アルドリッチ社)(0.2g、0.49mmol)と下記化学式5の化合物(TCI社)(0.36g、1.0mmol)を100mLフラスコにそれぞれ投入し、トルエン30mLを入れて、100℃で1時間撹拌した。以降、真空下で溶媒を除去し、ヘプタン溶媒によって洗浄し、乾燥させて、有機金属複合体A0.36gを得た。
Sn(Oct)2(アルドリッチ社)(0.2g、0.49mmol)と下記化学式6の化合物(ラインケミー社)0.36gを100mLフラスコにそれぞれ投入し、合成例1と同様の方法で有機金属複合体B0.4gを得た。
窒素導入管、撹拌機、触媒投入口および真空システムを備えた150L反応器に、L−ラクチド単量体(100kg、693.82mol)と合成例1の有機金属複合体A(102.81g)を投入した後、ポリプロピレングリコール(数平均分子量4000g/mol、分子量分布:1.2、5.26kg)を投入し、180℃の温度で3時間開環重合反応させて、化学式1aのブロック共重合体を製造した。反応器内で一部の重合樹脂をサンプリングして、GPC(Gel Permeation Chromatography)を用いて重量平均分子量を測定したが、110,000の重量平均分子量を示した。
ポリプロピレングリコール(数平均分子量4,000g/mol、分子量分布:1.2)の投入量を5.26kgでない11.11kgとしたことと、イソシアネート混合物の投入量を0.5重量%としたことを除いては、実施例1と同様の方法で実施例2のラクチド共重合体を製造し、その重量平均分子量、多分散指数(PDI)、ガラス転移温度、溶融温度、化学式1aのブロック共重合体に由来のブロック共重合繰り返し単位中のハードセグメントの含有量(ポリラクチド繰り返し単位の含有量)およびソフトセグメントの含有量(ポリプロピレングリコール繰り返し単位の含有量)を測定して、表1に示した。
ポリプロピレングリコールとして、数平均分子量6,000g/mol、分子量分布1.3のものを使用し、その投入量を5.26kgとしたことと、イソシアネート混合物の投入量を0.3重量%としたことを除いては、実施例1と同様の方法で実施例3のラクチド共重合体を製造し、その重量平均分子量、多分散指数(PDI)、ガラス転移温度、溶融温度、化学式1aのブロック共重合体に由来のブロック共重合繰り返し単位中のハードセグメントの含有量(ポリラクチド繰り返し単位の含有量)およびソフトセグメントの含有量(ポリプロピレングリコール繰り返し単位の含有量)を測定して、表1に示した。
ポリプロピレングリコール(数平均分子量6,000g/mol、分子量分布1.3)の投入量を5.26kgでない11.11kgとしたことを除いては、実施例1と同様の方法で実施例4のラクチド共重合体を製造し、その重量平均分子量、多分散指数(PDI)、ガラス転移温度、溶融温度、化学式1aのブロック共重合体に由来のブロック共重合繰り返し単位中のハードセグメントの含有量(ポリラクチド繰り返し単位の含有量)およびソフトセグメントの含有量(ポリプロピレングリコール繰り返し単位の含有量)を測定して、表1に示した。
ポリプロピレングリコール(数平均分子量6,000g/mol、分子量分布1.3)の投入量を5.26kgでない17.65kgとしたことを除いては、実施例2と同様の方法で実施例5のラクチド共重合体を製造し、その重量平均分子量、多分散指数(PDI)、ガラス転移温度、溶融温度、化学式1aのブロック共重合体に由来のブロック共重合繰り返し単位中のハードセグメントの含有量(ポリラクチド繰り返し単位の含有量)およびソフトセグメントの含有量(ポリプロピレングリコール繰り返し単位の含有量)を測定して、表1に示した。また、実施例1のラクチド共重合体の1HNMR spectrumは、図1に示された通りである。
ポリプロピレングリコールと多価イソシアネート化合物を投入しないことを除いては、実施例1と同様の方法で比較例1のラクチド共重合体を製造し、その重量平均分子量、多分散指数(PDI)、ガラス転移温度、溶融温度、化学式1aのブロック共重合体に由来のブロック共重合繰り返し単位中のハードセグメントの含有量(ポリラクチド繰り返し単位の含有量)およびソフトセグメントの含有量(ポリプロピレングリコール繰り返し単位の含有量)を測定して、表2に示した。
ポリプロピレングリコールとして、数平均分子量500g/molのものを使用し、その投入量を17.65kgとしたことを除いては、実施例2と同様の方法で比較例2のラクチド共重合体を製造し、その重量平均分子量、多分散指数(PDI)、ガラス転移温度、溶融温度、化学式1aのブロック共重合体に由来のブロック共重合繰り返し単位中のハードセグメントの含有量(ポリラクチド繰り返し単位の含有量)およびソフトセグメントの含有量(ポリプロピレングリコール繰り返し単位の含有量)を測定して、表2に示した。
窒素導入管、撹拌機、触媒投入口および真空システムを備えた20mL反応器に、L−ラクチド単量体(2g、13.9mmol)と合成例1の有機金属複合体A(0.14mg)を投入した後、ポリプロピレングリコール(数平均分子量12,000g/mol、0.35g)を投入し、180℃の温度で3時間開環重合反応させて、化学式1aのブロック共重合体を製造した。
分子あたりの平均イソシアネート基の当量が約2.7の多価イソシアネート化合物の代わりに、イソシアネート基の当量が2.0のMDIのみを使用したことを除いては、実施例1と同様の方法で比較例4のラクチド共重合体を製造し、その重量平均分子量、多分散指数(PDI)、ガラス転移温度、溶融温度、化学式1aのブロック共重合体に由来のブロック共重合繰り返し単位中のハードセグメントの含有量(ポリラクチド繰り返し単位の含有量)およびソフトセグメントの含有量(ポリプロピレングリコール繰り返し単位の含有量)を測定して、表2に示した。
分子あたりの平均イソシアネート基の当量が約2.7の多価イソシアネート化合物の代わりに、イソシアネート基の当量が3.0のHexamethylene diisocyanate isocyanurateのみを使用したことを除いては、実施例1と同様の方法で比較例5のラクチド共重合体を製造し、その重量平均分子量、多分散指数(PDI)、ガラス転移温度、溶融温度、化学式1aのブロック共重合体に由来のブロック共重合繰り返し単位中のハードセグメントの含有量(ポリラクチド繰り返し単位の含有量)およびソフトセグメントの含有量(ポリプロピレングリコール繰り返し単位の含有量)を測定して、表2に示した。
実施例1〜5および比較例1〜5の共重合体に対してHAAKE Minijet IIの射出成形機(Injection molder)を適用して、引張強度を測定可能な試験片を製造した。200℃で試験片を製造し、それぞれの試験片に対して機械的物性を測定した。このような評価結果を、下記表3および表4にまとめて表した。
Claims (5)
- ラクチド共重合体の製造方法であって、
前記ラクチド共重合体は、
ポリエーテルポリオール繰り返し単位のソフトセグメントの両末端に、ポリラクチド繰り返し単位のハードセグメントが結合された、化学式1のブロック共重合繰り返し単位を2以上含み、
前記ブロック共重合繰り返し単位は、ジイソシアネート化合物、およびイソシアネート基の当量が3である多価イソシアネート化合物の混合物から誘導されたウレタン連結基を介して互いに連結されており、
前記2以上のブロック共重合繰り返し単位は、その全体重量に対してハードセグメントの85〜90重量%と、ソフトセグメントの10〜15重量%とを含み、
前記ポリエーテルポリオール繰り返し単位は、6000の数平均分子量を有するラクチド共重合体であり、
前記製造方法は、
スズまたは亜鉛含有触媒と、その全体重量に対して6000の数平均分子量を有するポリエーテルポリオール重合体10〜15重量%を含む開始剤の存在下、ラクチド単量体85〜90重量%を開環重合して、化学式1aのブロック共重合体を形成する段階と、
化学式1aのブロック共重合体を、ジイソシアネート化合物、およびイソシアネート基の当量が3である多価イソシアネート化合物の混合物と反応させる段階とを含み、
前記スズまたは亜鉛含有触媒は、下記化学式2の有機金属複合体、または下記化学式3および4の化合物の混合物を含む、ラクチド共重合体の製造方法。
- 前記開環重合は、120〜200℃の温度で0.5〜8時間進行する、請求項1に記載のラクチド共重合体の製造方法。
- 前記ジイソシアネート化合物、およびイソシアネート基の当量が3である多価イソシアネート化合物の混合物は、前記化学式1aのブロック共重合体の100重量部に対して0.05〜5重量部で使用される、請求項1または2に記載のラクチド共重合体の製造方法。
- 前記ジイソシアネート化合物、およびイソシアネート基の当量が3である多価イソシアネート化合物の混合物との反応段階は、100〜190℃の温度で0.001〜1時間進行する、請求項1〜3のいずれか一項に記載のラクチド共重合体の製造方法。
- 前記ジイソシアネート化合物、およびイソシアネート基の当量が3である多価イソシアネート化合物の混合物との反応段階は、スズ系触媒の存在下で進行する、請求項1〜4のいずれか一項に記載のラクチド共重合体の製造方法。
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