JP2009249520A - ポリ乳酸樹脂組成物 - Google Patents
ポリ乳酸樹脂組成物 Download PDFInfo
- Publication number
- JP2009249520A JP2009249520A JP2008100023A JP2008100023A JP2009249520A JP 2009249520 A JP2009249520 A JP 2009249520A JP 2008100023 A JP2008100023 A JP 2008100023A JP 2008100023 A JP2008100023 A JP 2008100023A JP 2009249520 A JP2009249520 A JP 2009249520A
- Authority
- JP
- Japan
- Prior art keywords
- polylactic acid
- acid resin
- resin composition
- coupling agent
- isocyanate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920000747 poly(lactic acid) Polymers 0.000 title claims abstract description 112
- 239000004626 polylactic acid Substances 0.000 title claims abstract description 112
- 239000011342 resin composition Substances 0.000 title claims abstract description 48
- 239000011347 resin Substances 0.000 claims abstract description 54
- 229920005989 resin Polymers 0.000 claims abstract description 54
- 229910052751 metal Inorganic materials 0.000 claims abstract description 51
- 239000002184 metal Substances 0.000 claims abstract description 51
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 50
- 239000012948 isocyanate Substances 0.000 claims abstract description 36
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 36
- 238000000465 moulding Methods 0.000 claims abstract description 9
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 16
- 239000003484 crystal nucleating agent Substances 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 14
- 239000004014 plasticizer Substances 0.000 claims description 9
- FRGPKMWIYVTFIQ-UHFFFAOYSA-N triethoxy(3-isocyanatopropyl)silane Chemical compound CCO[Si](OCC)(OCC)CCCN=C=O FRGPKMWIYVTFIQ-UHFFFAOYSA-N 0.000 claims description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- FMGBDYLOANULLW-UHFFFAOYSA-N 3-isocyanatopropyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)CCCN=C=O FMGBDYLOANULLW-UHFFFAOYSA-N 0.000 claims description 2
- -1 aromatic carbodiimide Chemical class 0.000 description 19
- JVTAAEKCZFNVCJ-REOHCLBHSA-N L-lactic acid Chemical compound C[C@H](O)C(O)=O JVTAAEKCZFNVCJ-REOHCLBHSA-N 0.000 description 17
- 150000001875 compounds Chemical class 0.000 description 16
- 150000003839 salts Chemical class 0.000 description 12
- QLZHNIAADXEJJP-UHFFFAOYSA-N Phenylphosphonic acid Chemical compound OP(O)(=O)C1=CC=CC=C1 QLZHNIAADXEJJP-UHFFFAOYSA-N 0.000 description 11
- 235000014113 dietary fatty acids Nutrition 0.000 description 10
- 239000000194 fatty acid Substances 0.000 description 10
- 229930195729 fatty acid Natural products 0.000 description 10
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 9
- 125000003368 amide group Chemical group 0.000 description 8
- 239000011256 inorganic filler Substances 0.000 description 8
- 229910003475 inorganic filler Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- ALDZNWBBPCZXGH-UHFFFAOYSA-N 12-hydroxyoctadecanamide Chemical compound CCCCCCC(O)CCCCCCCCCCC(N)=O ALDZNWBBPCZXGH-UHFFFAOYSA-N 0.000 description 7
- JVTAAEKCZFNVCJ-UWTATZPHSA-N D-lactic acid Chemical compound C[C@@H](O)C(O)=O JVTAAEKCZFNVCJ-UWTATZPHSA-N 0.000 description 7
- 238000005452 bending Methods 0.000 description 7
- 238000002425 crystallisation Methods 0.000 description 7
- 230000008025 crystallization Effects 0.000 description 7
- ULQISTXYYBZJSJ-UHFFFAOYSA-N 12-hydroxyoctadecanoic acid Chemical compound CCCCCCC(O)CCCCCCCCCCC(O)=O ULQISTXYYBZJSJ-UHFFFAOYSA-N 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 229930182843 D-Lactic acid Natural products 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 6
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 6
- 229910052783 alkali metal Inorganic materials 0.000 description 6
- 150000001340 alkali metals Chemical class 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 6
- 229940022769 d- lactic acid Drugs 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000004593 Epoxy Substances 0.000 description 5
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- 239000004310 lactic acid Substances 0.000 description 5
- 235000014655 lactic acid Nutrition 0.000 description 5
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 description 5
- 229940114072 12-hydroxystearic acid Drugs 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- JJTUDXZGHPGLLC-IMJSIDKUSA-N 4511-42-6 Chemical compound C[C@@H]1OC(=O)[C@H](C)OC1=O JJTUDXZGHPGLLC-IMJSIDKUSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical class [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000001361 adipic acid Substances 0.000 description 3
- 235000011037 adipic acid Nutrition 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 235000011187 glycerol Nutrition 0.000 description 3
- YSARBTHSZMNCIB-UHFFFAOYSA-N hexane-1,3,6-tricarboxylic acid Chemical compound OC(=O)CCCC(C(O)=O)CCC(O)=O YSARBTHSZMNCIB-UHFFFAOYSA-N 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000000454 talc Substances 0.000 description 3
- 229910052623 talc Inorganic materials 0.000 description 3
- VUMCUSHVMYIRMB-UHFFFAOYSA-N 1,3,5-tri(propan-2-yl)benzene Chemical compound CC(C)C1=CC(C(C)C)=CC(C(C)C)=C1 VUMCUSHVMYIRMB-UHFFFAOYSA-N 0.000 description 2
- MBEBPYJMHLBHDJ-UHFFFAOYSA-N 1,4-dimethyl-2,5-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC(C)=C(C(C)C)C=C1C MBEBPYJMHLBHDJ-UHFFFAOYSA-N 0.000 description 2
- 229940114069 12-hydroxystearate Drugs 0.000 description 2
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 2
- WCOXQTXVACYMLM-UHFFFAOYSA-N 2,3-bis(12-hydroxyoctadecanoyloxy)propyl 12-hydroxyoctadecanoate Chemical compound CCCCCCC(O)CCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCC(O)CCCCCC)COC(=O)CCCCCCCCCCC(O)CCCCCC WCOXQTXVACYMLM-UHFFFAOYSA-N 0.000 description 2
- NYHNVHGFPZAZGA-UHFFFAOYSA-N 2-hydroxyhexanoic acid Chemical compound CCCCC(O)C(O)=O NYHNVHGFPZAZGA-UHFFFAOYSA-N 0.000 description 2
- JRHWHSJDIILJAT-UHFFFAOYSA-N 2-hydroxypentanoic acid Chemical compound CCCC(O)C(O)=O JRHWHSJDIILJAT-UHFFFAOYSA-N 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical class [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical class [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000002050 diffraction method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- BXKDSDJJOVIHMX-UHFFFAOYSA-N edrophonium chloride Chemical compound [Cl-].CC[N+](C)(C)C1=CC=CC(O)=C1 BXKDSDJJOVIHMX-UHFFFAOYSA-N 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 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
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910000000 metal hydroxide Inorganic materials 0.000 description 2
- 150000004692 metal hydroxides Chemical class 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000000790 scattering method Methods 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 description 2
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 2
- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical compound [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 description 2
- 239000011701 zinc Chemical class 0.000 description 2
- RJRRZABNCURWAM-UHFFFAOYSA-N (2-butylphenyl)phosphonic acid Chemical compound CCCCC1=CC=CC=C1P(O)(O)=O RJRRZABNCURWAM-UHFFFAOYSA-N 0.000 description 1
- YXTSJMYYIRPSDF-UHFFFAOYSA-N (2-methylphenyl)phosphonic acid Chemical compound CC1=CC=CC=C1P(O)(O)=O YXTSJMYYIRPSDF-UHFFFAOYSA-N 0.000 description 1
- GDKNDQBTIVRVAV-UHFFFAOYSA-N (2-propylphenyl)phosphonic acid Chemical compound CCCC1=CC=CC=C1P(O)(O)=O GDKNDQBTIVRVAV-UHFFFAOYSA-N 0.000 description 1
- JJTUDXZGHPGLLC-ZXZARUISSA-N (3r,6s)-3,6-dimethyl-1,4-dioxane-2,5-dione Chemical compound C[C@H]1OC(=O)[C@H](C)OC1=O JJTUDXZGHPGLLC-ZXZARUISSA-N 0.000 description 1
- LDVVTQMJQSCDMK-UHFFFAOYSA-N 1,3-dihydroxypropan-2-yl formate Chemical compound OCC(CO)OC=O LDVVTQMJQSCDMK-UHFFFAOYSA-N 0.000 description 1
- BDNKZNFMNDZQMI-UHFFFAOYSA-N 1,3-diisopropylcarbodiimide Chemical compound CC(C)N=C=NC(C)C BDNKZNFMNDZQMI-UHFFFAOYSA-N 0.000 description 1
- RKDVKSZUMVYZHH-UHFFFAOYSA-N 1,4-dioxane-2,5-dione Chemical compound O=C1COC(=O)CO1 RKDVKSZUMVYZHH-UHFFFAOYSA-N 0.000 description 1
- LMDZBCPBFSXMTL-UHFFFAOYSA-N 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide Chemical compound CCN=C=NCCCN(C)C LMDZBCPBFSXMTL-UHFFFAOYSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- WFSMVVDJSNMRAR-UHFFFAOYSA-N 2-[2-(2-ethoxyethoxy)ethoxy]ethanol Chemical compound CCOCCOCCOCCO WFSMVVDJSNMRAR-UHFFFAOYSA-N 0.000 description 1
- RGMMREBHCYXQMA-UHFFFAOYSA-N 2-hydroxyheptanoic acid Chemical compound CCCCCC(O)C(O)=O RGMMREBHCYXQMA-UHFFFAOYSA-N 0.000 description 1
- SJZRECIVHVDYJC-UHFFFAOYSA-N 4-hydroxybutyric acid Chemical compound OCCCC(O)=O SJZRECIVHVDYJC-UHFFFAOYSA-N 0.000 description 1
- QZCLKYGREBVARF-UHFFFAOYSA-N Acetyl tributyl citrate Chemical compound CCCCOC(=O)CC(C(=O)OCCCC)(OC(C)=O)CC(=O)OCCCC QZCLKYGREBVARF-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical class [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical class [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 description 1
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 1
- FMRHJJZUHUTGKE-UHFFFAOYSA-N Ethylhexyl salicylate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1O FMRHJJZUHUTGKE-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical class C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical class [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical class [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- FOMSGFMDVIDZMI-QEMDMZNVSA-N OC(C(=O)O)CCCCCCCCCCCCCCCC.C([C@H](O)[C@H](O)CO)O.C([C@H](O)[C@H](O)CO)O.C([C@H](O)[C@H](O)CO)O.C([C@H](O)[C@H](O)CO)O.C([C@H](O)[C@H](O)CO)O Chemical compound OC(C(=O)O)CCCCCCCCCCCCCCCC.C([C@H](O)[C@H](O)CO)O.C([C@H](O)[C@H](O)CO)O.C([C@H](O)[C@H](O)CO)O.C([C@H](O)[C@H](O)CO)O.C([C@H](O)[C@H](O)CO)O FOMSGFMDVIDZMI-QEMDMZNVSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
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- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical class [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- CDSMQIKSBQLILH-UHFFFAOYSA-N [2,3-bis(ethoxycarbonyl)phenyl]phosphonic acid Chemical compound CCOC(=O)C1=CC=CC(P(O)(O)=O)=C1C(=O)OCC CDSMQIKSBQLILH-UHFFFAOYSA-N 0.000 description 1
- VONVWUIMYVDDGL-UHFFFAOYSA-N [2,3-bis(methoxycarbonyl)phenyl]phosphonic acid Chemical compound COC(=O)C1=CC=CC(P(O)(O)=O)=C1C(=O)OC VONVWUIMYVDDGL-UHFFFAOYSA-N 0.000 description 1
- FQOUHJLOCJLNOH-UHFFFAOYSA-N [SiH4].N#CO Chemical compound [SiH4].N#CO FQOUHJLOCJLNOH-UHFFFAOYSA-N 0.000 description 1
- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical class C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C(O)=O RSWGJHLUYNHPMX-ONCXSQPRSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000008431 aliphatic amides Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 1
- 150000001346 alkyl aryl ethers Chemical class 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
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Abstract
【解決手段】ポリ乳酸樹脂と、イソシアネート系シランカップリング剤によって表面処理された金属水和物を含有するポリ乳酸樹脂組成物であって、イソシアネート系シランカップリング剤によって表面処理された金属水和物が、イソシアネート系シランカップリング剤と金属水和物とを、イソシアネート系シランカップリング剤/金属水和物(質量比)=0.1/99.9〜5/95の割合で処理したもの、並びにこのポリ乳酸樹脂組成物を成形してなるポリ乳酸樹脂成形体。
【選択図】なし
Description
本発明に用いられるポリ乳酸樹脂は、ポリ乳酸、又は乳酸とヒドロキシカルボン酸とのコポリマーである。ヒドロキシカルボン酸としては、グリコール酸、ヒドロキシ酪酸、ヒドロキシ吉草酸、ヒドロキシペンタン酸、ヒドロキシカプロン酸、ヒドロキシヘプタン酸等が挙げられ、グリコール酸、ヒドロキシカプロン酸が好ましい。好ましいポリ乳酸の分子構造は、例えばL−乳酸又はD−乳酸いずれかの単位20〜100モル%とそれぞれの対掌体の乳酸単位0〜80モル%からなるものである。
本発明に用いられるイソシアネート系シランカップリング剤によって表面処理された金属水和物としては、イソシアネート系シランカップリング剤と金属水和物とを、イソシアネート系シランカップリング剤/金属水和物(質量比)=0.1/99.9〜5/95の割合で処理したものが、本発明の効果を得る観点から好ましく、0.3/99.7〜3/97の割合で処理したものがより好ましく、0.5/99.5〜2/98の割合で処理したものが更に好ましい。
本発明のポリ乳酸樹脂組成物は更に可塑剤を含有することが好ましい。
本発明のポリ乳酸樹脂組成物は更に有機結晶核剤を含有することが好ましい。
本発明のポリ乳酸樹脂組成物は、ポリ乳酸樹脂と、イソシアネート系シランカップリング剤によって表面処理された金属水和物とを含有するものであり、更に、可塑剤や有機結晶核剤を含有することが好ましい。
本発明のポリ乳酸樹脂成形体は、本発明のポリ乳酸樹脂組成物を成形することにより得られる。具体的には、例えば、押出し機等を用いてポリ乳酸樹脂を溶融させながら、イソシアネート系シランカップリング剤によって表面処理された金属水和物、必要により可塑剤、有機結晶核剤等を混合し、次に得られた溶融物を射出成形機等により金型に充填して成形する。金型温度は、特に限定されないが、作業性を向上させる観点から、110℃以下が好ましく、90℃以下がより好ましく、80℃以下が更に好ましい。またポリ乳酸樹脂組成物の結晶化速度を向上させる観点から、30℃以上が好ましく、40℃以上がより好ましく、60℃以上が更に好ましい。かかる観点から、金型温度は30〜110℃が好ましく、40〜90℃がより好ましく、60〜80℃が更に好ましい。
ポリ乳酸樹脂組成物として、表1に示す本発明品(A〜K)及び比較品(a〜c)を、2軸押出機((株)池貝製 PCM-45)にて190℃で溶融混練し、ストランドカットを行い、ポリ乳酸樹脂組成物のペレットを得た。
得られたペレットは、70℃減圧下で1日乾燥し、水分量を500ppm以下とした。
*1:ポリ乳酸樹脂(三井化学(株)製、LACEA H−400)
*2:イソシアネート系シランカップリング剤(3−イソシアネートプロピルトリエトキシシラン、信越化学(株)製、KBE−9007)/水酸化アルミニウム(巴工業(株)製、B-303、平均粒径3.8μm、アルカリ金属系物質の含有量0.25質量%)(質量比)=1/99の割合で処理したイソシアネート系シランカップリング剤処理水酸化アルミニウム
*3:イソシアネート系シランカップリング剤(3−イソシアネートプロピルトリエトキシシラン、信越化学(株)製、KBE−9007)/水酸化アルミニウム(巴工業(株)製、B-303、平均粒径3.8μm、アルカリ金属系物質の含有量0.25質量%)(質量比)=1.5/98.5の割合で処理したイソシアネート系シランカップリング剤処理水酸化アルミニウム
*4:イソシアネート系シランカップリング剤(3−イソシアネートプロピルトリエトキシシラン、信越化学(株)製、KBE−9007)/水酸化アルミニウム(昭和電工(株)製、H-42M、平均粒径1.1μm、アルカリ金属系物質の含有量0.33質量%)(質量比)=1/99の割合で処理したイソシアネート系シランカップリング剤処理水酸化アルミニウム
*5:イソシアネート系シランカップリング剤(3−イソシアネートプロピルトリエトキシシラン、信越化学(株)製、KBE−9007)/水酸化アルミニウム(昭和電工(株)製、HM-43M、平均粒径0.75μm、アルカリ金属系物質の含有量0.34質量%)(質量比)=1/99の割合で処理したイソシアネート系シランカップリング剤処理水酸化アルミニウム
*6:コハク酸とトリエチレングリコールモノメチルエーテルとのジエステル
*7:1,3,6−ヘキサントリカルボン酸とトリエチレングリコールモノメチルエーテルとのトリエステル
*8:グリセリンにエチレンオキサイドを6モル付加させたトリアセテート
*9:アジピン酸ジエステル(大八化学(株)製、DAIFATTY-101)
*10:エチレンビス12−ヒドロキシステアリン酸アミド(日本化成(株)製、スリパックス H)
*11:無置換のフェニルホスホン酸亜鉛塩(日産化学工業(株)製、PPA−Zn)
*12:水酸化アルミニウム(巴工業(株)製、B-303、平均粒径3.8μm、アルカリ金属系物質の含有量0.25質量%)
*13:エポキシ系シランカップリング剤(3−グリシドキシプロピルトリメトキシシラン、信越化学(株)製、KBM−403)/水酸化アルミニウム(巴工業(株)製、B-303、平均粒径3.8μm、アルカリ金属系物質の含有量0.25質量%)(質量比)=1/99の割合で処理したエポキシ系シランカップリング剤処理水酸化アルミニウム
*14:ビニル系シランカップリング剤(ビニルトリメトキシシラン、信越化学(株)製、KBM1003)/水酸化アルミニウム(巴工業(株)製、B-303、平均粒径3.8μm、アルカリ金属系物質の含有量0.25質量%)(質量比)=1/99の割合で処理したビニル系シランカップリング剤処理水酸化アルミニウム。
角柱状試験片(125mm×12mm×6mm)について、JIS K7203に基づいて、テンシロン(オリエンテック製テンシロン万能試験機RTC−1210A)を用いて曲げ試験を行い、曲げ破断歪みを求めた。クロスヘッド速度は3mm/min。
この曲げ破断歪みが高い方が可撓性に優れていることを示す。
角柱状試験片(63mm×12mm×5mm)について、JIS-K7110に基づいて、衝撃試験機(株式会社上島製作所製 863型)を使用して、Izod衝撃強度を測定した。
この強度が高い方が耐衝撃性に優れていることを示す。
角柱状試験片(125mm×12mm×6mm)について、JIS-K7191に基づいて、熱変形温度測定機(東洋精機製作所製 B-32)を使用して、荷重1.81MPaにおいて0.25mmたわむときの温度を測定した。この温度が高い方が耐熱性に優れていることを示す。
Claims (9)
- ポリ乳酸樹脂と、イソシアネート系シランカップリング剤によって表面処理された金属水和物とを含有するポリ乳酸樹脂組成物。
- イソシアネート系シランカップリング剤によって表面処理された金属水和物が、イソシアネート系シランカップリング剤と金属水和物とを、イソシアネート系シランカップリング剤/金属水和物(質量比)=0.1/99.9〜5/95の割合で処理したものである、請求項1記載のポリ乳酸樹脂組成物。
- ポリ乳酸樹脂と、イソシアネート系シランカップリング剤によって表面処理された金属水和物との質量比が、ポリ乳酸樹脂/イソシアネート系シランカップリング剤によって表面処理された金属水和物=30/70〜70/30である、請求項1又は2記載のポリ乳酸樹脂組成物。
- 金属水和物が、平均粒径10μm以下の粒状体からなるものである請求項1〜3いずれかに記載のポリ乳酸樹脂組成物。
- イソシアネート系シランカップリング剤が、3−イソシアネートプロピルトリメトキシシラン及び3−イソシアネートプロピルトリエトキシシランから選ばれる少なくとも1種である請求項1〜4いずれかに記載のポリ乳酸樹脂組成物。
- 金属水和物が、水酸化マグネシウム、水酸化アルミニウム及び水酸化カルシウムから選ばれる少なくとも1種である請求項1〜5いずれかに記載のポリ乳酸樹脂組成物。
- 更に可塑剤を含有する、請求項1〜6いずれかに記載のポリ乳酸樹脂組成物。
- 更に有機結晶核剤を含有する、請求項1〜7いずれかに記載のポリ乳酸樹脂組成物。
- 請求項1〜8いずれかに記載のポリ乳酸樹脂組成物を成形してなるポリ乳酸樹脂成形体。
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JP2002012645A (ja) * | 2000-04-28 | 2002-01-15 | Yokohama Rubber Co Ltd:The | 一液湿気硬化型ポリウレタン組成物 |
JP2006008731A (ja) * | 2004-06-22 | 2006-01-12 | Mitsubishi Plastics Ind Ltd | 射出成形体 |
JP2006028257A (ja) * | 2004-07-13 | 2006-02-02 | Mitsubishi Plastics Ind Ltd | 樹脂成形物 |
JP2006089643A (ja) * | 2004-09-24 | 2006-04-06 | Mitsubishi Plastics Ind Ltd | 樹脂組成物およびその成形体 |
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JP2002012645A (ja) * | 2000-04-28 | 2002-01-15 | Yokohama Rubber Co Ltd:The | 一液湿気硬化型ポリウレタン組成物 |
JP2006008731A (ja) * | 2004-06-22 | 2006-01-12 | Mitsubishi Plastics Ind Ltd | 射出成形体 |
JP2006028257A (ja) * | 2004-07-13 | 2006-02-02 | Mitsubishi Plastics Ind Ltd | 樹脂成形物 |
JP2006089643A (ja) * | 2004-09-24 | 2006-04-06 | Mitsubishi Plastics Ind Ltd | 樹脂組成物およびその成形体 |
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