WO2022185934A1 - 生分解性樹脂組成物及び当該組成物の成形品 - Google Patents
生分解性樹脂組成物及び当該組成物の成形品 Download PDFInfo
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- WO2022185934A1 WO2022185934A1 PCT/JP2022/006297 JP2022006297W WO2022185934A1 WO 2022185934 A1 WO2022185934 A1 WO 2022185934A1 JP 2022006297 W JP2022006297 W JP 2022006297W WO 2022185934 A1 WO2022185934 A1 WO 2022185934A1
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- WIPO (PCT)
- Prior art keywords
- residue
- biodegradable resin
- acid
- resin composition
- polyester
- Prior art date
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- 229920006167 biodegradable resin Polymers 0.000 title claims abstract description 61
- 239000011342 resin composition Substances 0.000 title claims abstract description 41
- 239000002253 acid Substances 0.000 claims abstract description 71
- 229920000728 polyester Polymers 0.000 claims abstract description 56
- 239000003607 modifier Substances 0.000 claims abstract description 38
- 239000011256 inorganic filler Substances 0.000 claims abstract description 27
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 27
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 15
- 125000004432 carbon atom Chemical group C* 0.000 claims description 42
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical group CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims description 32
- -1 polybutylene succinate Polymers 0.000 claims description 31
- 125000001931 aliphatic group Chemical group 0.000 claims description 23
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical group OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 21
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical group OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 19
- 125000003118 aryl group Chemical group 0.000 claims description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical group OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
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- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid group Chemical group C(CCCCC(=O)O)(=O)O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 10
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical group OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical group OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 claims description 6
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical group OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims description 6
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical group C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 claims description 5
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical group C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 5
- SXFJDZNJHVPHPH-UHFFFAOYSA-N 3-methylpentane-1,5-diol Chemical group OCCC(C)CCO SXFJDZNJHVPHPH-UHFFFAOYSA-N 0.000 claims description 5
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid group Chemical group C(\C=C/C(=O)O)(=O)O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 5
- 229920002961 polybutylene succinate Polymers 0.000 claims description 5
- 239000004631 polybutylene succinate Substances 0.000 claims description 5
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 229920009537 polybutylene succinate adipate Polymers 0.000 claims description 4
- 239000004630 polybutylene succinate adipate Substances 0.000 claims description 4
- 239000000454 talc Substances 0.000 claims description 4
- 229910052623 talc Inorganic materials 0.000 claims description 4
- ALVZNPYWJMLXKV-UHFFFAOYSA-N 1,9-Nonanediol Chemical group OCCCCCCCCCO ALVZNPYWJMLXKV-UHFFFAOYSA-N 0.000 claims description 3
- JCTXKRPTIMZBJT-UHFFFAOYSA-N 2,2,4-trimethylpentane-1,3-diol Chemical group CC(C)C(O)C(C)(C)CO JCTXKRPTIMZBJT-UHFFFAOYSA-N 0.000 claims description 3
- RWLALWYNXFYRGW-UHFFFAOYSA-N 2-Ethyl-1,3-hexanediol Chemical group CCCC(O)C(CC)CO RWLALWYNXFYRGW-UHFFFAOYSA-N 0.000 claims description 3
- QWGRWMMWNDWRQN-UHFFFAOYSA-N 2-methylpropane-1,3-diol Chemical group OCC(C)CO QWGRWMMWNDWRQN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical group OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 claims description 3
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims description 3
- 229910002113 barium titanate Inorganic materials 0.000 claims description 3
- BMRWNKZVCUKKSR-UHFFFAOYSA-N butane-1,2-diol Chemical group CCC(O)CO BMRWNKZVCUKKSR-UHFFFAOYSA-N 0.000 claims description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 3
- 150000002009 diols Chemical group 0.000 claims description 3
- 239000004626 polylactic acid Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- DSKYSDCYIODJPC-UHFFFAOYSA-N 2-butyl-2-ethylpropane-1,3-diol Chemical group CCCCC(CC)(CO)CO DSKYSDCYIODJPC-UHFFFAOYSA-N 0.000 claims description 2
- ORLQHILJRHBSAY-UHFFFAOYSA-N [1-(hydroxymethyl)cyclohexyl]methanol Chemical group OCC1(CO)CCCCC1 ORLQHILJRHBSAY-UHFFFAOYSA-N 0.000 claims description 2
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 2
- 239000004629 polybutylene adipate terephthalate Substances 0.000 claims description 2
- XRVCFZPJAHWYTB-UHFFFAOYSA-N prenderol Chemical group CCC(CC)(CO)CO XRVCFZPJAHWYTB-UHFFFAOYSA-N 0.000 claims description 2
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- 238000005886 esterification reaction Methods 0.000 description 10
- 239000004014 plasticizer Substances 0.000 description 10
- 230000032050 esterification Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical group CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 7
- 150000002148 esters Chemical class 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- RLJWTAURUFQFJP-UHFFFAOYSA-N propan-2-ol;titanium Chemical compound [Ti].CC(C)O.CC(C)O.CC(C)O.CC(C)O RLJWTAURUFQFJP-UHFFFAOYSA-N 0.000 description 7
- VXUYXOFXAQZZMF-UHFFFAOYSA-N tetraisopropyl titanate Substances CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 7
- 150000007513 acids Chemical class 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 238000006482 condensation reaction Methods 0.000 description 6
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 238000010992 reflux Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
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- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 4
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
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- 239000002028 Biomass Substances 0.000 description 3
- 239000001361 adipic acid Substances 0.000 description 3
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- ALKCLFLTXBBMMP-UHFFFAOYSA-N 3,7-dimethylocta-1,6-dien-3-yl hexanoate Chemical compound CCCCCC(=O)OC(C)(C=C)CCC=C(C)C ALKCLFLTXBBMMP-UHFFFAOYSA-N 0.000 description 2
- GPZYYYGYCRFPBU-UHFFFAOYSA-N 6-Hydroxyflavone Chemical compound C=1C(=O)C2=CC(O)=CC=C2OC=1C1=CC=CC=C1 GPZYYYGYCRFPBU-UHFFFAOYSA-N 0.000 description 2
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- XDODWINGEHBYRT-UHFFFAOYSA-N [2-(hydroxymethyl)cyclohexyl]methanol Chemical group OCC1CCCCC1CO XDODWINGEHBYRT-UHFFFAOYSA-N 0.000 description 1
- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical group OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 description 1
- XFSBVAOIAHNAPC-WSORPINJSA-N acetylbenzoylaconine Chemical compound O([C@H]1[C@]2(O)C[C@H]3C45[C@@H]6[C@@H]([C@@]([C@H]31)(OC(C)=O)[C@@H](O)[C@@H]2OC)[C@H](OC)C4[C@]([C@@H](C[C@H]5OC)O)(COC)CN6CC)C(=O)C1=CC=CC=C1 XFSBVAOIAHNAPC-WSORPINJSA-N 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012773 agricultural material Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- BDJRBEYXGGNYIS-UHFFFAOYSA-N azelaic acid group Chemical group C(CCCCCCCC(=O)O)(=O)O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 150000001558 benzoic acid derivatives Chemical class 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- RWPICVVBGZBXNA-UHFFFAOYSA-N bis(2-ethylhexyl) benzene-1,4-dicarboxylate Chemical compound CCCCC(CC)COC(=O)C1=CC=C(C(=O)OCC(CC)CCCC)C=C1 RWPICVVBGZBXNA-UHFFFAOYSA-N 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 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 1
- 239000011575 calcium Substances 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
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- PMMYEEVYMWASQN-IMJSIDKUSA-N cis-4-Hydroxy-L-proline Chemical group 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
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- QYQADNCHXSEGJT-UHFFFAOYSA-N cyclohexane-1,1-dicarboxylate;hydron Chemical group OC(=O)C1(C(O)=O)CCCCC1 QYQADNCHXSEGJT-UHFFFAOYSA-N 0.000 description 1
- QSAWQNUELGIYBC-UHFFFAOYSA-N cyclohexane-1,2-dicarboxylic acid Chemical group OC(=O)C1CCCCC1C(O)=O QSAWQNUELGIYBC-UHFFFAOYSA-N 0.000 description 1
- PFURGBBHAOXLIO-UHFFFAOYSA-N cyclohexane-1,2-diol Chemical group OC1CCCCC1O PFURGBBHAOXLIO-UHFFFAOYSA-N 0.000 description 1
- RLMGYIOTPQVQJR-UHFFFAOYSA-N cyclohexane-1,3-diol Chemical group OC1CCCC(O)C1 RLMGYIOTPQVQJR-UHFFFAOYSA-N 0.000 description 1
- NUUPJBRGQCEZSI-UHFFFAOYSA-N cyclopentane-1,3-diol Chemical group OC1CCC(O)C1 NUUPJBRGQCEZSI-UHFFFAOYSA-N 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 description 1
- JGFBRKRYDCGYKD-UHFFFAOYSA-N dibutyl(oxo)tin Chemical compound CCCC[Sn](=O)CCCC JGFBRKRYDCGYKD-UHFFFAOYSA-N 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- BJAJDJDODCWPNS-UHFFFAOYSA-N dotp Chemical compound O=C1N2CCOC2=NC2=C1SC=C2 BJAJDJDODCWPNS-UHFFFAOYSA-N 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 235000013410 fast food Nutrition 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- MMHWNKSVQDCUDE-UHFFFAOYSA-N hexanedioic acid;terephthalic acid Chemical compound OC(=O)CCCCC(O)=O.OC(=O)C1=CC=C(C(O)=O)C=C1 MMHWNKSVQDCUDE-UHFFFAOYSA-N 0.000 description 1
- 229960001545 hydrotalcite Drugs 0.000 description 1
- 229910001701 hydrotalcite Inorganic materials 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002531 isophthalic acids Chemical class 0.000 description 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical group CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 1
- 150000002596 lactones Chemical group 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000000944 linseed oil Substances 0.000 description 1
- 235000021388 linseed oil Nutrition 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- WIBFFTLQMKKBLZ-SEYXRHQNSA-N n-butyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCCCC WIBFFTLQMKKBLZ-SEYXRHQNSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 229960002446 octanoic acid Drugs 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- ZFACJPAPCXRZMQ-UHFFFAOYSA-N phthalic acid Chemical class OC(=O)C1=CC=CC=C1C(O)=O.OC(=O)C1=CC=CC=C1C(O)=O ZFACJPAPCXRZMQ-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid group Chemical group C(CCCCCC(=O)O)(=O)O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920001896 polybutyrate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229950006800 prenderol Drugs 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000001175 rotational moulding Methods 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid group Chemical group C(CCCCCCC(=O)O)(=O)O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical group OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 239000012974 tin catalyst Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 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
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical group OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 229940005605 valeric acid Drugs 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000004246 zinc acetate Substances 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
-
- 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
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
-
- 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
- C08G63/668—Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/672—Dicarboxylic acids and dihydroxy compounds
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/16—Compositions of unspecified macromolecular compounds the macromolecular compounds being biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Definitions
- the present invention relates to a biodegradable resin composition and molded articles of the composition.
- Disposable containers, disposable packaging materials, etc. are generally molded from resin compositions containing general-purpose plastics and inorganic fillers, and the inorganic fillers impart various functions such as impact resistance, bending resistance, dimensional stability, and moisture permeability. It is
- Patent Documents 1 and 2 In order to improve functionality and reduce the amount of plastic in the resin composition containing the inorganic filler, it is required to further increase the amount of inorganic filler filled. On the other hand, when the amount of inorganic filler is increased, there is a problem that the fluidity of the composition is lowered and the moldability is lowered. This problem has been solved by adding a fluidity modifier (Patent Documents 1 and 2).
- the problem to be solved by the present invention is to provide a biodegradable resin composition with high fluidity.
- the present inventors found that by using a polyester having a specific structure and physical properties as a fluidity modifier, biodegradation containing an inorganic filler and a biodegradable resin The present inventors have completed the present invention by finding that high fluidity can be imparted to a flexible resin composition.
- the present invention provides a biodegradable resin composition containing a biodegradable resin, an inorganic filler, and a fluidity modifier, wherein the fluidity modifier has a carboxyl group at least one end.
- a biodegradable resin composition which is a polyester having an acid value of more than 50.
- the present invention can provide a biodegradable resin composition with high fluidity.
- the biodegradable resin composition of the present invention contains a biodegradable resin, an inorganic filler, and a fluidity modifier, wherein the fluidity modifier has a carboxyl group at at least one end and an acid value of It is a polyester that is greater than 50.
- biodegradable resin means a resin that can be decomposed to the molecular level by the action of microorganisms present in soil, water, oceans, and the like.
- the biodegradable resin is generally highly polar and has the property of being easily increased in viscosity due to entanglement of molecular chains.
- the biodegradable composition of the present invention contains a polyester having a specific acid value and a carboxyl group at at least one terminal as a fluidity modifier. In this polyester, the carboxyl group is adsorbed to the inorganic filler, and at the same time, the acid value of the polyester itself ensures compatibility with the highly polar biodegradable resin, which is thought to increase the fluidity of the inorganic filler.
- the fluidity modifier contained in the biodegradable resin composition of the present invention has a carboxyl group at at least one end and an acid value of is more than 50, preferably a polyester having a repeating unit represented by the following general formula (A) and a repeating unit represented by the following general formula (G), or the following general formula (L) , a repeating unit represented by the following general formula (A), and a repeating unit represented by the following general formula (G).
- A is an aliphatic dibasic acid residue having 2 to 12 carbon atoms or an aromatic dibasic acid residue having 6 to 15 carbon atoms
- G is an aliphatic diol residue having 2 to 9 carbon atoms
- L is a hydroxycarboxylic acid residue having 2 to 18 carbon atoms.
- polyester of the present invention which is the fluidity modifier of the present invention, is not particularly limited, and may be a random copolymer containing the above repeating unit. It may be a block copolymer containing.
- the polyester of the present invention is more preferably a polyester represented by the following general formula (1) and/or a polyester represented by the following general formula (2).
- a 1 , A 2 and A 3 are each independently an aliphatic dibasic acid residue having 2 to 12 carbon atoms or an aromatic dibasic acid residue having 6 to 15 carbon atoms
- G 1 and G 2 are each independently an aliphatic diol residue having 2 to 9 carbon atoms
- n represents the number of repetitions and is an integer in the range of 0-20.
- a 1 and G 1 may be the same or different for each parenthesized repeating unit.
- the "dibasic acid residue” is an organic group obtained by removing the basic acid functional group from the dibasic acid.
- the dibasic acid residue refers to the remaining organic groups other than the carboxyl group of the dicarboxylic acid.
- the number of carbon atoms in the dicarboxylic acid residue does not include the carbon atoms in the carboxyl group.
- the term "diol residue” refers to organic groups remaining after removal of hydroxyl groups from diols.
- hydroxycarboxylic acid residue refers to organic groups remaining after removing a hydroxyl group and a carboxyl group from a hydroxycarboxylic acid.
- the number of carbon atoms in the hydroxycarboxylic acid residue does not include the carbon atoms in the carboxyl group.
- the aliphatic dibasic acid residues having 2 to 12 carbon atoms of A, A 1 , A 2 and A 3 may contain an alicyclic structure and/or an ether bond (--O--).
- the aliphatic dibasic acid residue having 2 to 12 carbon atoms of A, A 1 , A 2 and A 3 is preferably an aliphatic dicarboxylic acid residue having 2 to 12 carbon atoms, and the 2 carbon atom -12 aliphatic dicarboxylic acid residues include succinic acid residue, adipic acid residue, maleic acid residue, pimelic acid residue, suberic acid residue, azelaic acid residue, sebacic acid residue, cyclohexanedicarboxylic acid residues, dodecanedicarboxylic acid residues, hexahydrophthalic acid residues, and the like.
- the aliphatic dibasic acid residue having 2 to 12 carbon atoms of A, A 1 , A 2 and A 3 is preferably an aliphatic dicarboxylic acid residue having 2 to 10 carbon atoms, more preferably succinic acid. residues, sebacic acid residues, maleic acid residues and adipic acid residues, more preferably succinic acid residues, sebacic acid residues and maleic acid residues.
- aromatic dibasic acid residues having 6 to 15 carbon atoms of A, A 1 , A 2 and A 3 are preferably aromatic dicarboxylic acid residues having 6 to 15 carbon atoms.
- An acid residue and the like can be mentioned.
- A, A 1 , A 2 and A 3 are preferably aliphatic dibasic acid residues having 2 to 12 carbon atoms, more preferably aliphatic dicarboxylic acid residues having 2 to 12 carbon atoms, More preferably, it is an aliphatic dicarboxylic acid residue having 2 to 10 carbon atoms.
- Aliphatic diol residues having 2 to 9 carbon atoms for G, G 1 and G 2 include ethylene glycol residues, 1,2-propylene glycol residues, 1,3-propylene glycol residues, 1,2- propanediol residue, 1,3-propanediol residue, 1,2-butanediol residue, 1,3-butanediol residue, 2-methyl-1,3-propanediol residue, 1,4-butane diol residue, 1,5-pentanediol residue, 2,2-dimethyl-1,3-propanediol (neopentyl glycol) residue, 2,2-diethyl-1,3-propanediol (3,3- dimethylol-pentane) residue, 2-n-butyl-2-ethyl-1,3-propanediol (3,3-dimethylolheptane) residue, 3-methyl-1,5-pentanediol residue, 1, 6-he
- the C 2-9 aliphatic diol residues of G, G 1 and G 2 may contain an alicyclic structure and/or an ether bond (--O--).
- Examples of the aliphatic diol residue having 2 to 9 carbon atoms containing an alicyclic structure include 1,3-cyclopentanediol residue, 1,2-cyclohexanediol residue, and 1,3-cyclohexanediol residue. , 1,4-cyclohexanediol residue, 1,2-cyclohexanedimethanol residue, 1,4-cyclohexanedimethanol residue and the like.
- Examples of the aliphatic diol residue having 2 to 9 carbon atoms containing an ether bond include diethylene glycol residue, triethylene glycol residue, tetraethylene glycol residue, dipropylene glycol residue, tripropylene glycol residue, and the like. is mentioned.
- the aliphatic diol residues having 2 to 9 carbon atoms of G, G 1 and G 2 are preferably aliphatic diol residues having 3 to 8 carbon atoms, more preferably ethylene glycol residues and diethylene glycol residues. , 1,2-propylene glycol residue, 1,6-hexanediol, 3-methyl-1,5-pentanediol, 1,4-butanediol or 1,3-butanediol residue.
- hydroxycarboxylic acid residues having 2 to 18 carbon atoms for L include propionic acid, butyric acid, valeric acid, caproic acid, enanthic acid, capric acid, caprylic acid, undecylic acid, lauric acid, tridecylic acid, myristic acid, and pentadecyl.
- Acids, palmitic acid, margaric acid, hydroxycarboxylic acid residues in which one hydroxyl group is substituted in the fatty chain of aliphatic carboxylic acids having 3 to 19 carbon atoms such as stearic acid specific examples include lactic acid residues. , 9-hydroxystearic acid residue, 12-hydroxystearic acid residue, 6-hydroxycaproic acid residue and the like.
- the hydroxycarboxylic acid residue having 2 to 18 carbon atoms in L is preferably an aliphatic hydroxycarboxylic acid residue having 4 to 18 carbon atoms, more preferably a 12-hydroxystearic acid residue.
- n is an integer in the range of 0-20, preferably an integer in the range of 1-20, more preferably an integer in the range of 5-20.
- the number average molecular weight (Mn) of the polyester of the present invention is, for example, in the range of 100 to 5,000, preferably in the range of 300 to 4,000, more preferably in the range of 500 to 3,000. , more preferably in the range of 800 to 2,400.
- the above number average molecular weight (Mn) is a value converted to polystyrene based on gel permeation chromatography (GPC) measurement, and is measured by the method described in Examples.
- the polyester of the present invention may have an acid value of more than 50, preferably 51 or more.
- the upper limit of the acid value of the polyester of the present invention is not particularly limited, it is, for example, 400 or less, preferably 200 or less, 150 or less, 120 or less, 100 or less, and 95 or less, in that order.
- the acid value of the polyester is confirmed by the method described in Examples.
- the hydroxyl value of the polyester of the present invention may be, for example, 0 or more, preferably in the range of 10-100, more preferably in the range of 20-80, still more preferably in the range of 30-70.
- the hydroxyl value of the polyester is confirmed by the method described in Examples.
- the properties of the polyester of the present invention vary depending on the number average molecular weight, composition, etc., but it is usually liquid, solid, pasty, etc. at room temperature.
- the content of the fluidity modifier of the present invention is not particularly limited. It is in the range of 0.1 to 10 parts by mass of the fluidity modifier of the present invention with respect to 100 parts by mass of the filler, more preferably 0.1 to 10 parts by mass of the fluidity modifier of the present invention with respect to 100 parts by mass of the inorganic filler. It is in the range of 5.0 parts by mass.
- the polyesters of the present invention are obtained using reactants containing aliphatic and/or aromatic dibasic acids, aliphatic diols, and optional hydroxycarboxylic acids.
- the reaction raw material means a raw material that constitutes the polyester of the present invention, and does not contain a solvent or a catalyst that does not constitute the polyester.
- any hydroxycarboxylic acid means that a hydroxycarboxylic acid may or may not be used.
- the method for producing the polyester of the present invention is not particularly limited, and it can be produced by a known method, and can be produced by the production method described below.
- the reaction raw materials of the polyester of the present invention may contain an aliphatic dibasic acid and/or an aromatic dibasic acid, an aliphatic diol, and any hydroxycarboxylic acid, and may contain other raw materials.
- 90% by mass or more of the reaction raw material of the polyester of the present invention is aliphatic dibasic acid and/or aromatic dibasic acid, aliphatic diol, and any hydroxycarboxylic acid with respect to the total amount of the reaction raw material, More preferably, it consists only of aliphatic and/or aromatic dibasic acids, aliphatic diols, and optional hydroxycarboxylic acids.
- the aliphatic dibasic acid used in the production of the polyester of the present invention is an aliphatic dibasic acid corresponding to the aliphatic dibasic acid residues of A, A 1 , A 2 and A 3 having 2 to 12 carbon atoms. , the aliphatic dibasic acid to be used may be used singly or in combination of two or more.
- the aromatic dibasic acid used in the production of the polyester of the present invention is an aromatic dibasic acid corresponding to the aromatic dibasic acid residue having 6 to 15 carbon atoms of A, A 1 , A 2 and A 3 . , the aromatic dibasic acid to be used may be used singly or in combination of two or more.
- the aliphatic diol used in the production of the polyester of the present invention is an aliphatic diol corresponding to the aliphatic diol residue having 2 to 9 carbon atoms of G, G 1 and G 2 , and one type of aliphatic diol is used. It may be used alone or in combination of two or more.
- the hydroxycarboxylic acid used in the production of the polyester of the present invention is a hydroxycarboxylic acid corresponding to a hydroxycarboxylic acid residue having 2 to 18 carbon atoms in L, and the hydroxycarboxylic acid used may be used singly. , may be used in combination of two or more.
- the reactants to be used also include derivatives such as the above esters, acid chlorides, and acid anhydrides.
- hydroxycarboxylic acids also include compounds having a lactone structure such as ⁇ -caprolactone.
- the polyester of the present invention comprises an aliphatic dibasic acid and/or aromatic dibasic acid, an aliphatic diol, and any hydroxycarboxylic acid that constitute each residue of the polyester of the present invention, and a carboxyl group contained in the reaction raw material. can be produced by reacting under conditions in which the equivalent of is greater than the equivalent of the hydroxyl group.
- an aliphatic dibasic acid and/or aromatic dibasic acid, an aliphatic diol, and any hydroxycarboxylic acid that constitute each residue of the polyester of the present invention are added to the hydroxyl groups contained in the reaction raw materials.
- the obtained polyester is further added with an aliphatic dibasic acid and / or an aromatic dibasic acid. It can also be produced by reacting.
- polyesters of the present invention preferably contain one or more aliphatic dibasic acids selected from the group consisting of succinic acid, sebacic acid, maleic acid and adipic acid residues, ethylene glycol, diethylene glycol, 1,2-propanediol.
- the polyester of the present invention is more preferably one or more aliphatic dibasic acids selected from the group consisting of succinic acid and sebacic acid, ethylene glycol, diethylene glycol, 1,2-propanediol, 1,3-propanediol , 1,6-hexanediol, 3-methyl-1,5-pentanediol, 1,4-butanediol and one or more aliphatic diols selected from 1,3-butanediol as reaction raw materials is. All of these reaction raw materials can be derived from biomass, and the obtained polyester can be a polyester having a biomass content of 100%. From the viewpoint of sustainability, it is preferable to use polyester with a biomass content of 100% as the biodegradable resin.
- the reaction of the reaction raw materials may optionally be carried out in the presence of an esterification catalyst, for example, at a temperature of 180 to 250° C. for 10 to 25 hours.
- an esterification catalyst for example, at a temperature of 180 to 250° C. for 10 to 25 hours.
- Conditions such as the temperature and time of the esterification reaction are not particularly limited and may be set as appropriate.
- esterification catalyst examples include titanium catalysts such as tetraisopropyl titanate and tetrabutyl titanate; zinc catalysts such as zinc acetate; tin catalysts such as dibutyltin oxide; and organic sulfonic acid catalysts such as p-toluenesulfonic acid. catalysts, and the like.
- the amount of the esterification catalyst used may be set appropriately, but it is usually used in the range of 0.001 to 0.1 parts by mass with respect to 100 parts by mass of the total amount of the reaction raw materials.
- the inorganic filler contained in the biodegradable resin composition of the present invention is not particularly limited, and examples include calcium carbonate, talc, silica, alumina, clay, antimony oxide, aluminum hydroxide, magnesium hydroxide, hydrotalcite, and silicic acid. Calcium, magnesium oxide, potassium titanate, barium titanate, titanium oxide, calcium oxide, magnesium oxide, manganese dioxide, boron nitride, aluminum nitride and the like.
- the said inorganic filler may be used individually by 1 type, and may use 2 or more types together.
- the inorganic filler is preferably one or more selected from the group consisting of calcium carbonate, silica, alumina, aluminum hydroxide, barium titanate, talc, boron nitride and aluminum nitride, more preferably calcium carbonate, alumina, It is one or more selected from the group consisting of aluminum hydroxide and talc.
- the particle size, fiber length, fiber diameter, and other shapes of the inorganic filler are not particularly limited, and may be appropriately adjusted according to the intended use.
- the surface treatment state of the inorganic filler is not particularly limited, and the surface may be modified with, for example, saturated fatty acid, depending on the intended use.
- the content of the inorganic filler is in the range of, for example, 1 to 200 parts by mass, 1 to 100 parts by mass, 5 to 70 parts by mass, and 10 to 60 parts by mass with respect to 100 parts by mass of the biodegradable resin. or 15 to 55 parts by mass.
- Biodegradable resins contained in the biodegradable resin composition of the present invention include polylactic acid (PLA), polyethylene succinate (PES), polyethylene terephthalate-succinate (PETS), polybutylene succinate (PBS), and polybutylene.
- PLA polylactic acid
- PES polyethylene succinate
- PETS polyethylene terephthalate-succinate
- PBS polybutylene succinate
- Adipate-terephthalate (PBAT), polyethylene adipate-terephthalate (PEAT), polybutylene succinate-terephthalate (PBST), polyethylene succinate-terephthalate (PEST), polybutylene succinate-adipate (PBSA), polybutylene succinate-carbonate (PEC), polybutylene succinate-adipate-terephthalate (PBSAT), polyethylene succinate-adipate-terephthalate (PESAT), polytetramethylene adipate-terephthalate (PTMAT), polyhydroxybutyric acid (PHB), polyhydroxybutyric acid-hydroxyhexane acid (PHBH), polycaprolactone (PCL), polycaprolactone-butylene succinate (PCLBS), cellulose acetate and the like.
- the biodegradable resin to be used may be determined according to the intended use, and the above biodegradable resins may be used singly or in combination of two or more.
- the biodegradable resin is preferably one or more selected from the group consisting of polylactic acid, polybutylene succinate, polybutylene adipate terephthalate, polyhydroxybutyric acid-hydroxyhexanoic acid, polybutylene succinate adipate and polyethylene terephthalate succinate. be.
- the biodegradable resin composition of the present invention may contain non-biodegradable resins as long as the effects of the present invention are not impaired.
- the non-biodegradable resin is not particularly limited, and includes polyolefin, polyester, polysulfide, polyvinyl chloride, modified polysulfide, silicone resin, modified silicone resin, acrylic urethane resin, epoxy resin, polyurethane, acrylic resin, polyester, and unsaturated resin. A polyester etc. are mentioned.
- the biodegradable resin composition of the present invention may further contain a plasticizer.
- the plasticizer include benzoic acid esters such as diethylene glycol dibenzoate; dibutyl phthalate (DBP), di-2-ethylhexyl phthalate (DOP), diisononyl phthalate (DINP), diisodecyl phthalate (DIDP), phthalate phthalates such as diundecyl acid (DUP) and ditridecyl phthalate (DTDP); terephthalates such as bis(2-ethylhexyl) terephthalate (DOTP); isophthalic acids such as bis(2-ethylhexyl) isophthalate (DOIP) Ester; pyromellitic acid ester such as tetra-2-ethylhexyl pyromellitic acid (TOPM); di-2-ethylhexyl adipate (DOA), diison
- the content of the plasticizer is not particularly limited, but is, for example, in the range of 5 to 300 parts by mass of the plasticizer relative to 100 parts by mass of the inorganic filler, preferably 10 to 200 parts by mass of the plasticizer relative to 100 parts by mass of the inorganic filler. part range.
- the additives contained in the biodegradable resin composition of the present invention are not limited to the fluidity modifier and the plasticizer, and may contain additives other than these.
- examples of other additives include viscosity reducers, flame retardants, stabilizers, stabilizing aids, colorants, processing aids, fillers, antioxidants (antiaging agents), ultraviolet absorbers, and light stabilizers. , lubricants, antistatic agents, cross-linking aids, and the like.
- the method for producing the biodegradable resin composition of the present invention is not particularly limited.
- biodegradable resins, inorganic fillers and fluidity modifiers, and if necessary plasticizers, the above other additives are melted in a single-screw extruder, twin-screw extruder, Banbury mixer, Brabender, various kneaders, etc. It can be obtained by a method of melt-kneading using a kneader.
- the biodegradable resin composition of the present invention can be molded by various molding methods applied to general-purpose plastics.
- the molding method include compression molding (compression molding, laminate molding, stampable molding), injection molding, extrusion molding and co-extrusion molding (film molding by inflation method or T-die method, laminate molding, pipe molding, wire / cable molding , profiled material molding), hot press molding, blow molding (various blow molding), calendar molding, solid molding (uniaxial stretching molding, biaxial stretching molding, roll rolling molding, stretch orientation nonwoven fabric molding, thermoforming (vacuum molding, air pressure molding) molding), plastic processing, powder molding (rotational molding), various non-woven fabric moldings (dry method, adhesion method, entanglement method, spunbond method, etc.), and the like.
- Injection molding, extrusion molding, compression molding or hot press molding are preferably applied. As specific shapes, application to sheets, films, and containers is preferred.
- the molded product obtained above may be subjected to secondary processing.
- the secondary processing includes embossing, painting, adhesion, printing, metallizing (plating, etc.), machining, surface treatment (antistatic treatment, corona discharge treatment, plasma treatment, photochromism treatment, physical vapor deposition, chemical vapor deposition, coating etc.).
- Molded articles obtained from the biodegradable resin composition of the present invention can contain a high amount of inorganic filler, so they can exhibit excellent heat resistance, chemical resistance and impact resistance, and the amount of plastic can be reduced. You can also reduce the weight of In addition, since the molded article is composed of a biodegradable resin and can be decomposed, it is a molded article with a small environmental load.
- Molded articles obtained from the biodegradable resin composition of the present invention are suitably used in a wide range of applications such as packaging materials for packaging liquids, granules, and solids, agricultural materials, and construction materials.
- Specific applications include injection molded products (e.g. fresh food trays, fast food containers, coffee capsule containers, cutlery, outdoor leisure products, etc.), extrusion molded products (e.g. films, sheets, fishing lines, fishing nets, vegetation). nets, secondary processing sheets, water-retaining sheets, etc.), hollow molded products (bottles, etc.), and the like.
- Applications are not limited to the above, agricultural films, coating materials, fertilizer coating materials, nursery pots, laminated films, boards, stretched sheets, monofilaments, nonwoven fabrics, flat yarns, staples, crimped fibers, creased tapes, splits Yarns, composite fibers, blown bottles, shopping bags, garbage bags, compost bags, cosmetic containers, detergent containers, bleach containers, ropes, binding materials, sanitary coverstock materials, cooler boxes, cushioning films, multifilaments, synthetic papers , surgical thread, suture thread, artificial bone, artificial skin, microcapsule, wound dressing, etc. for medical use.
- the values of acid value and hydroxyl value are values evaluated by the following methods.
- Method for measuring acid value It was measured by a method according to JIS K0070-1992.
- Method for measuring hydroxyl value It was measured by a method according to JIS K0070-1992.
- the number average molecular weight of polyester is a value converted to polystyrene based on GPC measurement, and the measurement conditions are as follows.
- [GPC measurement conditions] Measuring device: High-speed GPC device “HLC-8320GPC” manufactured by Tosoh Corporation Column: "TSK GURDCOLUMN SuperHZ-L” manufactured by Tosoh Corporation + "TSK gel SuperHZM-M” manufactured by Tosoh Corporation + “TSK gel SuperHZM-M” manufactured by Tosoh Corporation + “TSK gel SuperHZ-2000” manufactured by Tosoh Corporation + “TSK gel SuperHZ-2000” manufactured by Tosoh Corporation Detector: RI (differential refractometer) Data processing: "EcoSEC Data Analysis version 1.07" manufactured by Tosoh Corporation Column temperature: 40°C Developing solvent: tetrahydrofuran Flow rate: 0.35 mL/min Measurement sample: 7.5 mg of the sample was dissolved in
- reaction product About 210 g of the obtained reaction product, 11.0 g of maleic anhydride was charged, the reaction was completed at 120 ° C., and fluidity modifier A' (acid value: 27, hydroxyl value: 85, number average molecular weight: 1 , 319).
- fluidity modifier B′ (acid value: 29, hydroxyl value: 73, number average molecular weight: 1, 290) was obtained.
- Example 1 Preparation and evaluation of biodegradable resin composition
- 100 parts by mass of polybutylene succinate (“Bio-PBS FZ71PM/PB” manufactured by Mitsubishi Chemical Co., Ltd.)
- 30 parts by mass of calcium bicarbonate (“Super S” manufactured by Maruo Calcium Co., Ltd.)
- Super S manufactured by Maruo Calcium Co., Ltd.
- a press sheet having a thickness of 1 mm was formed with a hot press.
- the resulting sheet was cut into 5 mm squares and dried in a gear oven at 80° C. for 2 hours to prepare a biodegradable resin composition pellet sample A.
- the obtained biodegradable resin composition pellet sample A was put into a melt indexer ("F-F01" manufactured by Toyo Seiki Co., Ltd., orifice inner diameter: 2.090 mm, cylinder temperature: 190 ° C.), and a load of 2160 g was applied. and the melt flow rate was measured after 4 minutes of preheating. Table 1 shows the results.
- Example 2-4 and Comparative Example 1-3 instead of the biodegradable resin composition pellet sample A, a biodegradable resin composition pellet sample having the composition shown in Table 1 was prepared in the same manner as in Example 1 and evaluated. Table 1 shows the results.
- Example 1-4 it can be seen that a high MFR is obtained by adding a polyester having a terminal carboxyl group and an acid value of more than 50 as a fluidity modifier.
- Comparative Example 1 has a low MFR because it does not contain a fluidity modifier.
- the fluidity modifier was a polyester having a terminal carboxyl group, the acid value was 50 or less, so a high MFR was not obtained.
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Abstract
Description
本発明の生分解性樹脂組成物は、生分解性樹脂、無機フィラー及び流動性改質剤を含有し、前記流動性改質剤は、少なくとも一方の末端にカルボキシル基を有し、酸価が50超であるポリエステルである。
本発明の生分解性組成物では、特定の酸価を有し、少なくとも一方の末端にカルボキシル基を有するポリエステルを流動性改質剤として含有する。このポリエステルは、カルボキシル基が無機フィラーに吸着し、それと同時にポリエステル自体の酸価によって高極性な生分解性樹脂との相溶性を担保することで、無機フィラーの流動性を高めるものと考えられる。
以下、本発明の生分解性樹脂が含む各成分について説明する。
本発明の生分解性樹脂組成物が含有する流動性改質剤(以下、「本発明の流動性改質剤」という場合がある)は、少なくとも一方の末端にカルボキシル基を有し、酸価が50超であるポリエステルであり、好ましくは下記一般式(A)で表される繰り返し単位と、下記一般式(G)で表される繰り返し単位とを有するポリエステル、又は、下記一般式(L)で表される繰り返し単位と、下記一般式(A)で表される繰り返し単位と、下記一般式(G)で表される繰り返し単位とを有するポリエステルである。
Aは、炭素原子数2~12の脂肪族二塩基酸残基又は炭素原子数6~15の芳香族二塩基酸残基であり、
Gは、炭素原子数2~9の脂肪族ジオール残基であり、
Lは、炭素原子数2~18のヒドロキシカルボン酸残基である。)
A1、A2及びA3は、それぞれ独立に、炭素原子数2~12の脂肪族二塩基酸残基又は炭素原子数6~15の芳香族二塩基酸残基であり、
G1及びG2は、それぞれ独立に、炭素原子数2~9の脂肪族ジオール残基であり、
nは、繰り返し数を表し、0~20の範囲の整数である。
但し、括弧で括られた繰り返し単位毎にA1及びG1はそれぞれ同じでもよく、異なっていてもよい。)
本発明において「ジオール残基」とは、ジオールから水酸基を除いた残りの有機基を示すものである。
本発明において「ヒドロキシカルボン酸残基」とは、ヒドロキシカルボン酸から水酸基及びカルボキシル基をそれぞれ除いた残りの有機基を示すものである。ヒドロキシカルボン酸残基の炭素原子数については、カルボキシル基中の炭素原子は含まないものとする。
A、A1、A2及びA3の炭素原子数2~12の脂肪族二塩基酸残基は、好ましくは炭素原子数2~12の脂肪族ジカルボン酸残基であり、当該炭素原子数2~12の脂肪族ジカルボン酸残基としては、コハク酸残基、アジピン酸残基、マレイン酸残基、ピメリン酸残基、スベリン酸残基、アゼライン酸残基、セバシン酸残基、シクロヘキサンジカルボン酸残基、ドデカンジカルボン酸残基、ヘキサヒドロフタル酸残基等が挙げられる。
前記脂環構造を含む炭素原子数2~9の脂肪族ジオール残基としては、例えば、1,3-シクロペンタンジオール残基、1,2-シクロヘキサンジオール残基、1,3-シクロヘキサンジオール残基、1,4-シクロヘキサンジオール残基、1,2-シクロヘキサンジメタノール残基、1,4-シクロヘキサンジメタノール残基等が挙げられる。
前記エーテル結合を含む炭素原子数2~9の脂肪族ジオール残基としては、例えば、ジエチレングリコール残基、トリエチレングリコール残基、テトラエチレングリコール残基、ジプロピレングリコール残基、トリプロピレングリコール残基等が挙げられる。
上記数平均分子量(Mn)はゲルパーミエージョンクロマトグラフィー(GPC)測定に基づきポリスチレン換算した値であり、実施例に記載の方法により測定する。
本発明のポリエステルの酸価の上限は特に制限されないが、例えば400以下であり、200以下、150以下、120以下、100以下、95以下の順に好ましい。
上記ポリエステルの酸価は実施例に記載の方法にて確認する。
上記ポリエステルの水酸基価は実施例に記載の方法にて確認する。
本発明のポリエステルの製造方法は特に限定されず、公知の方法により製造することができ、後述する製造方法により製造することができる。
本発明のポリエステルの反応原料は、反応原料の全量に対して好ましくは90質量%以上が脂肪族二塩基酸及び/又は芳香族二塩基酸、脂肪族ジオール、並びに任意のヒドロキシカルボン酸であり、より好ましくは脂肪族二塩基酸及び/又は芳香族二塩基酸、脂肪族ジオール、並びに任意のヒドロキシカルボン酸のみからなる。
本発明のポリエステルの製造に用いる芳香族二塩基酸は、A、A1、A2及びA3の炭素原子数6~15の芳香族二塩基酸残基に対応する芳香族二塩基酸であり、使用する芳香族二塩基酸は1種単独で用いてもよく、2種以上を併用してもよい。
本発明のポリエステルの製造に用いる脂肪族ジオールは、G、G1及びG2の炭素原子数2~9の脂肪族ジオール残基に対応する脂肪族ジオールであり、使用する脂肪族ジオールは1種単独で用いてもよく、2種以上を併用してもよい。
本発明のポリエステルの製造に用いるヒドロキシカルボン酸は、Lの炭素原子数2~18のヒドロキシカルボン酸残基に対応するヒドロキシカルボン酸であり、使用するヒドロキシカルボン酸は1種単独で用いてもよく、2種以上を併用してもよい。
使用する反応原料は、上記のエステル化物、上記の酸塩化物、上記の酸無水物等の誘導体も含む。例えばヒドロキシカルボン酸は、ε-カプロラクトン等のラクトン構造を有する化合物も含む。
本発明のポリエステルは、本発明のポリエステルの各残基を構成する脂肪族二塩基酸及び/又は芳香族二塩基酸、脂肪族ジオール、並びに任意のヒドロキシカルボン酸を、反応原料に含まれる水酸基の当量がカルボキシル基の当量よりも多くなる条件下で反応させて主鎖の末端に水酸基を有するポリエステルを得た後、得られたポリエステルにさらに脂肪族二塩基酸及び/又は芳香族二塩基酸を反応させることによっても製造できる。
これら反応原料はいずれもバイオマス由来とすることができ、得られるポリエステルをバイオマス度100%のポリエステルとすることできる。生分解性樹脂にバイオマス度100%のポリエステルを用いることはサステナビリティの観点から好ましい。
尚、エステル化反応の温度、時間などの条件は特に限定されず、適宜設定してよい。
本発明の生分解性樹脂組成物が含有する無機フィラーとしては、特に限定されず、例えば炭酸カルシウム、タルク、シリカ、アルミナ、クレー、酸化アンチモン、水酸化アルミニウム、水酸化マグネシウム、ハイドロタルサイト、珪酸カルシウム、酸化マグネシウム、チタン酸カリウム、チタン酸バリウム、酸化チタン、酸化カルシウム、酸化マグネシウム、二酸化マンガン、窒化ホウ素、窒化アルミニウム等が挙げられる。
前記無機フィラーは、1種単独で用いてもよく、2種以上を併用してもよい。
本発明の生分解性樹脂組成物が含有する生分解性樹脂としては、ポリ乳酸(PLA)、ポリエチレンサクシネート(PES)、ポリエチレンテレフタレート-サクシネート(PETS)、ポリブチレンサクシネート(PBS)、ポリブチレンアジペート-テレフタレート(PBAT)、ポリエチレンアジペート-テレフタレート(PEAT)、ポリブチレンサクシネート-テレフタレート(PBST)、ポリエチレンサクシネート-テレフタレート(PEST)、ポリブチレンサクシネート-アジペート(PBSA)、ポリブチレンサクシネート-カーボネート(PEC)、ポリブチレンサクシネート-アジペート-テレフタレート(PBSAT)、ポリエチレンサクシネート-アジペート-テレフタレート(PESAT)、ポリテトラメチレンアジペート-テレフタレート(PTMAT)、ポリヒドロキシ酪酸(PHB)、ポリヒドロキシ酪酸-ヒドロキシヘキサン酸(PHBH)、ポリカプロラクトン(PCL)、ポリカプロラクトン-ブチレンサクシネート(PCLBS)、酢酸セルロース等が挙げられる。
使用する生分解性樹脂は目的とする用途に応じて決定すればよく、上記生分解性樹脂を1種単独で使用してもよく、2種以上を併用してもよい。
前記非生分解性樹脂としては、特に限定されず、ポリオレフィン、ポリエステル、ポリサルファイド、ポリ塩化ビニル、変成ポリサルファイド、シリコーン樹脂、変成シリコーン樹脂、アクリルウレタン樹脂、エポキシ樹脂、ポリウレタン、アクリル樹脂、ポリエステル、不飽和ポリエステル等が挙げられる。
本発明の生分解性樹脂組成物は、可塑剤をさらに含んでもよい。
前記可塑剤としては、例えば、ジエチレングリコールジベンゾエート等の安息香酸エステル;フタル酸ジブチル(DBP)、フタル酸ジ-2-エチルヘキシル(DOP)、フタル酸ジイソノニル(DINP)、フタル酸ジイソデシル(DIDP)、フタル酸ジウンデシル(DUP)、フタル酸ジトリデシル(DTDP)等のフタル酸エステル;テレフタル酸ビス(2-エチルヘキシル)(DOTP)等のテレフタル酸エステル;イソフタル酸ビス(2-エチルヘキシル)(DOIP)等のイソフタル酸エステル;ピロメリット酸テトラ-2-エチルヘキシル(TOPM)等のピロメリット酸エステル;アジピン酸ジ-2-エチルヘキシル(DOA)、アジピン酸ジイソノニル(DINA)、アジピン酸ジイソデシル(DIDA)、セバシン酸ジ-2-エチルヘキシル(DOS)、セバシン酸ジイソノニル(DINS)等の脂肪族二塩基酸エステル;リン酸トリ-2-エチルヘキシル(TOP)、リン酸トリクレジル(TCP)等のリン酸エステル;ペンタエリスリトール等の多価アルコールのアルキルエステル;アジピン酸等の2塩基酸とグリコールとのポリエステル化によって合成された分子量800~4,000のポリエステル;エポキシ化大豆油、エポキシ化亜麻仁油等のエポキシ化エステル;ヘキサヒドロフタル酸ジイソノニルエステル等の脂環式二塩基酸;ジカプリン酸1.4-ブタンジオール等の脂肪酸グリコールエステル;アセチルクエン酸トリブチル(ATBC);パラフィンワックスやn-パラフィンを塩素化した塩素化パラフィン;塩素化ステアリン酸エステル等の塩素化脂肪酸エステル;オレイン酸ブチル等の高級脂肪酸エステル等が挙げられる。
使用する可塑剤は目的とする用途に応じて決定すればよく、上記可塑剤を1種単独で使用してもよく、2種以上を併用してもよい。
本発明の生分解性樹脂組成物が含有する添加剤は、前記流動性改質剤、前記可塑剤に限定されず、これら以外のその他添加剤を含んでもよい。
前記その他添加剤としては、例えば、減粘剤、難燃剤、安定剤、安定化助剤、着色剤、加工助剤、充填剤、酸化防止剤(老化防止剤)、紫外線吸収剤、光安定剤、滑剤、帯電防止剤、架橋助剤等を例示することができる。
本発明の生分解性樹脂組成物の製造方法は特に限定されない。
例えば、生分解性樹脂、無機フィラー及び流動性改質剤、並びに必要に応じて可塑剤、上記その他添加剤を単軸押出機、二軸押出機、バンバリーミキサー、ブラベンダー、各種ニーダー等の溶融混練機を用いて溶融混練する方法により得ることができる。
本発明の生分解性樹脂組成物は、汎用プラスチックに適用される各種成形方法により成形することができる。
上記成形方法としては例えば、圧縮成形(圧縮成形、積層成形、スタンパブル成形)、射出成形、押出成形や共押出成形(インフレ法やTダイ法によるフィルム成形、ラミネート成形、パイプ成形、電線/ケーブル成形、異形材の成形)、熱プレス成形、中空成形(各種ブロー成形)、カレンダー成形、固体成形(一軸延伸成形、二軸延伸成形、ロール圧延成形、延伸配向不織布成形、熱成形(真空成形、圧空成形)、塑性加工、粉末成形(回転成形)、各種不織布成形(乾式法、接着法、絡合法、スパンボンド法等)等が挙げられる。
射出成形、押出成形、圧縮成形、又は熱プレス成形が好適に適用される。具体的な形状としては、シート、フィルム、容器への適用が好ましい。
具体的用途としては、射出成形品(例えば、生鮮食品のトレー、ファーストフードの容器、コーヒーカプセルの容器、カトラリー、野外レジャー製品等)、押出成形品(例えば、フィルム、シート、釣り糸、漁網、植生ネット、2次加工用シート、保水シート等)、中空成形品(ボトル等)等が挙げられる。
尚、本発明は下記実施例に限定されない。
[酸価の測定方法]
JIS K0070-1992に準じた方法により測定した。
[水酸基価の測定方法]
JIS K0070-1992に準じた方法により測定した。
[GPC測定条件]
測定装置:東ソー株式会社製高速GPC装置「HLC-8320GPC」
カラム:東ソー株式会社製「TSK GURDCOLUMN SuperHZ-L」+東ソー株式会社製「TSK gel SuperHZM-M」+東ソー株式会社製「TSK gel SuperHZM-M」+東ソー株式会社製「TSK gel SuperHZ-2000」+東ソー株式会社製「TSK gel SuperHZ-2000」
検出器:RI(示差屈折計)
データ処理:東ソー株式会社製「EcoSEC Data Analysis バージョン1.07」
カラム温度:40℃
展開溶媒:テトラヒドロフラン
流速:0.35mL/分
測定試料:試料7.5mgを10mlのテトラヒドロフランに溶解し、得られた溶液をマイクロフィルターでろ過したものを測定試料とした。
試料注入量:20μl
標準試料:前記「HLC-8320GPC」の測定マニュアルに準拠して、分子量が既知の下記の単分散ポリスチレンを用いた。
東ソー株式会社製「A-300」
東ソー株式会社製「A-500」
東ソー株式会社製「A-1000」
東ソー株式会社製「A-2500」
東ソー株式会社製「A-5000」
東ソー株式会社製「F-1」
東ソー株式会社製「F-2」
東ソー株式会社製「F-4」
東ソー株式会社製「F-10」
東ソー株式会社製「F-20」
東ソー株式会社製「F-40」
東ソー株式会社製「F-80」
東ソー株式会社製「F-128」
東ソー株式会社製「F-288」
温度計、攪拌器、及び還流冷却器を付した内容積2リットルの四つ口フラスコに、コハク酸を649.0g、ジエチレングリコールを726.6g、エステル化触媒としてテトライソプロピルチタネートを0.043g仕込み、窒素気流下で攪拌しながら220℃になるまで段階的に昇温することで、合計19.5時間縮合反応させた。得られた反応物のうち250gについて、無水マレイン酸26.2gをさらに仕込み、120℃で反応を完結させ、流動性改質剤A(酸価:52、水酸基価:60、数平均分子量:1,072)を得た。
温度計、攪拌器、及び還流冷却器を付した内容積2リットルの四つ口フラスコに、アジピン酸を876.8g、1,3-ブタンジオールを612.7g、ネオペンチルグリコールを78.7g、エステル化触媒としてテトライソプロピルチタネートを0.047g仕込み、窒素気流下で攪拌しながら220℃になるまで段階的に昇温することで、合計14時間縮合反応させた。得られた反応物のうち250gについて、無水マレイン酸26.2gをさらに仕込み、120℃で反応を完結させ、流動性改質剤B(酸価:54、水酸基価:50、数平均分子量:1,250)を得た。
温度計、攪拌器、及び還流冷却器を付した内容積3リットルの四つ口フラスコに、セバシン酸を1618.0g、プロピレングリコールを814.6g、エステル化触媒としてテトライソプロピルチタネートを0.146g仕込み、窒素気流下で攪拌しながら220℃になるまで段階的に昇温することで、合計18.5時間縮合反応させた。得られた反応物のうち300gについて、無水マレイン酸31.5gをさらに仕込み、125℃で反応を完結させ、流動性改質剤C(酸価:55、水酸基価:68、数平均分子量:1,300)を得た。
温度計、攪拌器、及び還流冷却器を付した内容積2リットルの四つ口フラスコに、コハク酸を649.0g、ジエチレングリコールを726.6g、エステル化触媒としてテトライソプロピルチタネートを0.043g仕込み、窒素気流下で攪拌しながら220℃になるまで段階的に昇温することで、合計19.5時間縮合反応させた。得られた反応物のうち250gについて、無水マレイン酸39.3gをさらに仕込み、120℃で反応を完結させ、流動性改質剤D(酸価:74、水酸基価:47、数平均分子量:1,053)を得た。
温度計、攪拌器、及び還流冷却器を付した内容積2リットルの四つ口フラスコに、コハク酸を649.0g、ジエチレングリコールを726.6g、エステル化触媒としてテトライソプロピルチタネートを0.043g仕込み、窒素気流下で攪拌しながら220℃になるまで段階的に昇温することで、合計19.5時間縮合反応させた。得られた反応物のうち210gについて、無水マレイン酸を11.0g仕込み、120℃で反応を完結させ、流動性改質剤A’(酸価:27、水酸基価:85、数平均分子量:1,319)を得た。
温度計、攪拌器、及び還流冷却器を付した内容積2リットルの四つ口フラスコに、アジピン酸を876.8g、1,3-ブタンジオールを612.7g、ネオペンチルグリコールを78.7g、エステル化触媒としてテトライソプロピルチタネートを0.047g仕込み、窒素気流下で攪拌しながら220℃になるまで段階的に昇温することで、合計14時間縮合反応させた。得られた反応物250gについて、無水マレイン酸13.1gをさらに仕込み、120℃で反応を完結させ、流動性改質剤B’(酸価:29、水酸基価:73、数平均分子量:1,290)を得た。
ポリブチレンサクシネート(三菱ケミカル株式会社製「Bio-PBS FZ71PM/PB」)を100質量部、重炭酸カルシウム(丸尾カルシウム株式会社製「スーパーS」)を30質量部及び合成例1の流動性改質剤Aを1質量部を120℃で10分間ミキサーで混練したのち、熱プレス機で1mm厚のプレスシートとした。得られたシートを5mm角に切断し、ギアオーブンで80℃2時間乾燥させて生分解性樹脂組成物ペレットサンプルAを作製した。
生分解性樹脂組成物ペレットサンプルAの代わりに、実施例1と同様にして表1に示す組成の生分解性樹脂組成物ペレットサンプルを調製し、評価した。結果を表1に示す。
Claims (10)
- 生分解性樹脂、無機フィラー及び流動性改質剤を含有する生分解性樹脂組成物であって、
前記流動性改質剤が、少なくとも一方の末端にカルボキシル基を有し、酸価が50超であるポリエステルである生分解性樹脂組成物。 - 前記脂肪族二塩基酸残基がコハク酸残基、セバシン酸残基、マレイン酸残基又はアジピン酸残基であり、
前記脂肪族ジオール残基が、エチレングリコール残基、ジエチレングリコール残基、1,2-プロパンジオール残基、1,3-プロパンジオール残基、1,2-ブタンジオール残基、1,3-ブタンジオール残基、2-メチル-1,3-プロパンジオール残基、1,4-ブタンジオール残基、1,5-ペンタンジオール残基、2,2-ジメチル-1,3-プロパンジオール残基、2,2-ジエチル-1,3-プロパンジオール残基、2-n-ブチル-2-エチル-1,3-プロパンジオール残基、3-メチル-1,5-ペンタンジオール残基、1,6-ヘキサンジオール残基、シクロヘキサンジメタノール残基、2,2,4-トリメチル-1,3-ペンタンジオール残基、2-エチル-1,3-ヘキサンジオール残基、2-メチル-1,8-オクタンジオール残基、1,9-ノナンジオール残基である請求項1~3のいずれかに記載の生分解性樹脂組成物。 - 前記脂肪族二塩基酸残基がコハク酸残基又はセバシン酸残基であり、
前記脂肪族ジオール残基が、エチレングリコール残基、ジエチレングリコール残基、1,2-プロパンジオール残基、1,3-プロパンジオール残基、1,6-ヘキサンジオール残基、3-メチル-1,5-ペンタンジオール残基、1,4-ブタンジオール残基、又は1,3-ブタンジオール残基である請求項1~4のいずれかに記載の生分解性樹脂組成物。 - 前記ポリエステルの数平均分子量が300~4,000の範囲である請求項1~5のいずれかに記載の生分解性樹脂組成物。
- 前記無機フィラーが、炭酸カルシウム、シリカ、アルミナ、水酸化アルミニウム、タルク、チタン酸バリウム、窒化ホウ素及び窒化アルミニウムからなる群から選択される1種以上である請求項1~6のいずれかに記載の生分解性樹脂組成物。
- 前記生分解性樹脂が、ポリ乳酸、ポリブチレンサクシネート、ポリブチレンアジペートテレフタレート、ポリヒドロキシ酪酸-ヒドロキシヘキサン酸、ポリブチレンサクシネートアジペート及びポリエチレンテレフタレートサクシネートからなる群から選択される1種以上である請求項1~7のいずれかに記載の生分解性樹脂組成物。
- 前記無機フィラー100質量部に対して前記流動性改質剤を0.1~30質量部の範囲で含有する請求項1~8のいずれかに記載の生分解性樹脂組成物。
- 請求項1~9のいずれかに記載の生分解性樹脂組成物の成形品。
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CN115418099A (zh) * | 2022-10-17 | 2022-12-02 | 浙江及时宇新材料有限公司 | 一种抗菌生物基尼龙11复合材料 |
CN116023640A (zh) * | 2022-11-30 | 2023-04-28 | 北京服装学院 | 一种废旧聚酯纺织品制备生物可降解聚对苯二甲酸丁二醇酯-co-碳酸丁二醇酯的方法 |
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- 2022-02-17 EP EP22762990.4A patent/EP4303266A1/en active Pending
- 2022-02-17 CN CN202280008757.8A patent/CN116670234A/zh active Pending
- 2022-02-17 CA CA3210404A patent/CA3210404A1/en active Pending
- 2022-02-17 KR KR1020237023726A patent/KR20230125805A/ko active Search and Examination
- 2022-02-17 WO PCT/JP2022/006297 patent/WO2022185934A1/ja active Application Filing
- 2022-02-17 JP JP2022554338A patent/JP7228110B2/ja active Active
- 2022-02-17 US US18/278,936 patent/US20240150572A1/en active Pending
- 2022-02-23 TW TW111106495A patent/TW202244113A/zh unknown
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CN115418099A (zh) * | 2022-10-17 | 2022-12-02 | 浙江及时宇新材料有限公司 | 一种抗菌生物基尼龙11复合材料 |
CN115418099B (zh) * | 2022-10-17 | 2023-12-19 | 浙江及时宇新材料有限公司 | 一种抗菌生物基尼龙11复合材料 |
CN116023640A (zh) * | 2022-11-30 | 2023-04-28 | 北京服装学院 | 一种废旧聚酯纺织品制备生物可降解聚对苯二甲酸丁二醇酯-co-碳酸丁二醇酯的方法 |
CN116023640B (zh) * | 2022-11-30 | 2023-09-26 | 北京服装学院 | 一种废旧聚酯纺织品制备生物可降解聚对苯二甲酸丁二醇酯-co-碳酸丁二醇酯的方法 |
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Publication number | Publication date |
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CA3210404A1 (en) | 2022-09-09 |
CN116670234A (zh) | 2023-08-29 |
TW202244113A (zh) | 2022-11-16 |
JPWO2022185934A1 (ja) | 2022-09-09 |
EP4303266A1 (en) | 2024-01-10 |
US20240150572A1 (en) | 2024-05-09 |
KR20230125805A (ko) | 2023-08-29 |
JP7228110B2 (ja) | 2023-02-24 |
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