WO2007086318A1 - 環状エステル変性グルカン誘導体の製造方法 - Google Patents
環状エステル変性グルカン誘導体の製造方法 Download PDFInfo
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- WO2007086318A1 WO2007086318A1 PCT/JP2007/050764 JP2007050764W WO2007086318A1 WO 2007086318 A1 WO2007086318 A1 WO 2007086318A1 JP 2007050764 W JP2007050764 W JP 2007050764W WO 2007086318 A1 WO2007086318 A1 WO 2007086318A1
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- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical compound CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 description 1
- 238000000578 dry spinning Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- DBUHPIKTDUMWTR-UHFFFAOYSA-K erbium(3+);triacetate Chemical compound [Er+3].CC([O-])=O.CC([O-])=O.CC([O-])=O DBUHPIKTDUMWTR-UHFFFAOYSA-K 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 125000005677 ethinylene group Chemical group [*:2]C#C[*:1] 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 125000004216 fluoromethyl group Chemical group [H]C([H])(F)* 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 150000002291 germanium compounds Chemical class 0.000 description 1
- 150000002308 glutamine derivatives Chemical class 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 229910021482 group 13 metal Inorganic materials 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- YCOZIPAWZNQLMR-UHFFFAOYSA-N heptane - octane Natural products CCCCCCCCCCCCCCC YCOZIPAWZNQLMR-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 description 1
- 239000004434 industrial solvent Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- LZKLAOYSENRNKR-LNTINUHCSA-N iron;(z)-4-oxoniumylidenepent-2-en-2-olate Chemical compound [Fe].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O LZKLAOYSENRNKR-LNTINUHCSA-N 0.000 description 1
- VKPSKYDESGTTFR-UHFFFAOYSA-N isododecane Natural products CC(C)(C)CC(C)CC(C)(C)C VKPSKYDESGTTFR-UHFFFAOYSA-N 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- JLRJWBUSTKIQQH-UHFFFAOYSA-K lanthanum(3+);triacetate Chemical compound [La+3].CC([O-])=O.CC([O-])=O.CC([O-])=O JLRJWBUSTKIQQH-UHFFFAOYSA-K 0.000 description 1
- 229940046892 lead acetate Drugs 0.000 description 1
- 150000002611 lead compounds Chemical class 0.000 description 1
- 229940115286 lentinan Drugs 0.000 description 1
- TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 description 1
- 229940031993 lithium benzoate Drugs 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- HGPXWXLYXNVULB-UHFFFAOYSA-M lithium stearate Chemical compound [Li+].CCCCCCCCCCCCCCCCCC([O-])=O HGPXWXLYXNVULB-UHFFFAOYSA-M 0.000 description 1
- LDJNSLOKTFFLSL-UHFFFAOYSA-M lithium;benzoate Chemical compound [Li+].[O-]C(=O)C1=CC=CC=C1 LDJNSLOKTFFLSL-UHFFFAOYSA-M 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 description 1
- 239000011654 magnesium acetate Substances 0.000 description 1
- 235000011285 magnesium acetate Nutrition 0.000 description 1
- 229940069446 magnesium acetate Drugs 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- KJGLZJQPMKQFIK-UHFFFAOYSA-N methanolate;tributylstannanylium Chemical compound CCCC[Sn](CCCC)(CCCC)OC KJGLZJQPMKQFIK-UHFFFAOYSA-N 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- UNFUYWDGSFDHCW-UHFFFAOYSA-N monochlorocyclohexane Chemical compound ClC1CCCCC1 UNFUYWDGSFDHCW-UHFFFAOYSA-N 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 229940094933 n-dodecane Drugs 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N n-hexanoic acid Natural products CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- WSGCRAOTEDLMFQ-UHFFFAOYSA-N nonan-5-one Chemical compound CCCCC(=O)CCCC WSGCRAOTEDLMFQ-UHFFFAOYSA-N 0.000 description 1
- 125000002868 norbornyl group Chemical group C12(CCC(CC1)C2)* 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 229940078552 o-xylene Drugs 0.000 description 1
- YWXLSHOWXZUMSR-UHFFFAOYSA-N octan-4-one Chemical compound CCCCC(=O)CCC YWXLSHOWXZUMSR-UHFFFAOYSA-N 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- RZWZRACFZGVKFM-UHFFFAOYSA-N propanoyl chloride Chemical compound CCC(Cl)=O RZWZRACFZGVKFM-UHFFFAOYSA-N 0.000 description 1
- WYVAMUWZEOHJOQ-UHFFFAOYSA-N propionic anhydride Chemical compound CCC(=O)OC(=O)CC WYVAMUWZEOHJOQ-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 150000002909 rare earth metal compounds Chemical class 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- JPDBEEUPLFWHAJ-UHFFFAOYSA-K samarium(3+);triacetate Chemical compound [Sm+3].CC([O-])=O.CC([O-])=O.CC([O-])=O JPDBEEUPLFWHAJ-UHFFFAOYSA-K 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229910000018 strontium carbonate Inorganic materials 0.000 description 1
- RXSHXLOMRZJCLB-UHFFFAOYSA-L strontium;diacetate Chemical compound [Sr+2].CC([O-])=O.CC([O-])=O RXSHXLOMRZJCLB-UHFFFAOYSA-L 0.000 description 1
- FRKHZXHEZFADLA-UHFFFAOYSA-L strontium;octadecanoate Chemical compound [Sr+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O FRKHZXHEZFADLA-UHFFFAOYSA-L 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000003718 tetrahydrofuranyl group Chemical group 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 238000009757 thermoplastic moulding Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- FAKFSJNVVCGEEI-UHFFFAOYSA-J tin(4+);disulfate Chemical compound [Sn+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O FAKFSJNVVCGEEI-UHFFFAOYSA-J 0.000 description 1
- QHGNHLZPVBIIPX-UHFFFAOYSA-N tin(ii) oxide Chemical class [Sn]=O QHGNHLZPVBIIPX-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- 150000003623 transition metal compounds Chemical class 0.000 description 1
- 125000003866 trichloromethyl group Chemical group ClC(Cl)(Cl)* 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 1
- YQMWDQQWGKVOSQ-UHFFFAOYSA-N trinitrooxystannyl nitrate Chemical compound [Sn+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O YQMWDQQWGKVOSQ-UHFFFAOYSA-N 0.000 description 1
- KLQSUMRMAGJXSQ-UHFFFAOYSA-J tris(3-oxobutanoyloxy)stannyl 3-oxobutanoate Chemical class [Sn+4].CC(=O)CC([O-])=O.CC(=O)CC([O-])=O.CC(=O)CC([O-])=O.CC(=O)CC([O-])=O KLQSUMRMAGJXSQ-UHFFFAOYSA-J 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
- OSCVBYCJUSOYPN-UHFFFAOYSA-K ytterbium(3+);triacetate Chemical compound [Yb+3].CC([O-])=O.CC([O-])=O.CC([O-])=O OSCVBYCJUSOYPN-UHFFFAOYSA-K 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000004246 zinc acetate Substances 0.000 description 1
- 150000003752 zinc compounds Chemical class 0.000 description 1
- 150000003755 zirconium compounds Chemical class 0.000 description 1
Classifications
-
- 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
- C08G63/81—Preparation processes using solvents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/16—Preparation of mixed organic cellulose esters, e.g. cellulose aceto-formate or cellulose aceto-propionate
-
- 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
-
- 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
Definitions
- the present invention relates to a method for efficiently producing a cyclic ester-modified glucan derivative (for example, a cellulose acylate derivative) that can be used as a thermoplastic, a modified dulcan derivative obtained by this method, and the modified dulcan derivative. It relates to a molded product formed in.
- a cyclic ester-modified glucan derivative for example, a cellulose acylate derivative
- Glucans containing glucose as a constituent unit such as cellulose, starch (or amylose), and dextran, have no thermoplasticity and cannot be used as plastics (thermoplastic plastics) as they are. Therefore, such a glucan (especially cellulose) is used as a thermoplastic by being acylated (eg, acetylene) for thermoplasticity.
- cellulose is acylated and used for various applications as cellulose acylate (particularly, cellulose acetate).
- cellulose acetate cellulose diacetate
- a plasticizer from the viewpoint of thermoplasticity! / Speak.
- Patent Document 1 describes cellulose derivatives (cellulose acetate, cellulose acetate butyrate, senorelose acetate propionate, ethinoresenorelose, and cyanoethenoresenorelose).
- a method for producing a graft polymer in which a ring-opening polymerization catalyst of a cyclic ester (such as ⁇ -force prolatatone) is added in the presence of benzyl cellulose, hydroxypropyl cellulose, etc., and the cyclic ester is subjected to ring-opening polymerization.
- a ring-opening polymerization catalyst of a cyclic ester such as ⁇ -force prolatatone
- alkali metals such as sodium and potassium and derivatives thereof, tertiary amines such as pyridine, alkylaluminums and derivatives such as triethylaluminum, alkoxytitanium compounds such as tetrabutyltitanate, tin octylate, etc.
- Dibutyltin laurate It describes that any organometallic compound, metal halide such as tin chloride can be used.
- Example 1 100 parts of cellulose acetate, epsilon prolatamine 244.4 U, xylene 55 kg were calorie-free and heated to 90 ° C to dissolve senoyl oxalate. Then, while continuing stirring, 30 parts of xylene containing 0.00024 part of tetrabutyl titanate was added and heated at 150 ° C. for 20 hours to react to obtain a pale yellow transparent draft polymer. It is described.
- JP-A-60-188401 discloses that 0.5 to 4.0 moles of anhydroglucose unit per fatty acid cellulose ester (such as cellulose acetate) having a free hydroxyl group.
- a fatty acid cellulose ester-based thermoplastic molding material obtained by adding (grafting) a cyclic ester of ⁇ -force prolatatone or the like is disclosed. This document states that the attachment of a cyclic ester to a fatty acid cellulose ester can be obtained by heating both in an appropriate solvent or without solvent in the presence of a ring-opening polymerization catalyst.
- Suitable catalysts include organic metal compounds such as tetrabutyl titanate and dibutyl tin laurate, metal halide compounds such as tin chloride, alkali metals, and tertiary amines as in the above-mentioned literature. .
- This document also describes that internal plastics can be used for molding by injection molding, extrusion molding, etc. without adding a large amount of plasticizer, and can be used for molded products such as sheets and films. .
- 100 g of cellulose acetate, 64.4 g of epsilon prolatathone, and 73.lg of xylene were heated and heated to 140 ° C. to uniformly dissolve the cellulose acetate. After that, it was described that 4 g of xylene containing 0.664 mg of titanium tetrabutoxide was added while stirring, and heated at 140 ° C. for reaction to obtain a light yellow transparent graft polymer.
- JP-A-2001-181302 discloses that a cyclic ester is subjected to ring-opening dalar polymerization on a cellulose derivative having a hydroxyl group in the presence of a ring-opening polymerization catalyst of the cyclic ester.
- a cyclic ester-modified cellulose derivative is produced, it is a solvent having an atmospheric pressure boiling point of 140 ° C or higher, and the cellulose derivative having a hydroxyl group and the cyclic ester-modified cellulose derivative can be dissolved, and the ring-opening polymerization of the cyclic ester is started.
- Cyclic esthetics that are polymerized in a solvent that does not have a functional group (such as cyclohexanone or y-petit mouth rataton)
- a method for producing a modified cellulose derivative is disclosed.
- the boiling point such as cyclohexanone or y-petit mouth rataton
- Example 1 By using a good solvent for a cellulose derivative at 140 ° C. or higher, graft polymerization can be performed while suppressing an increase in the viscosity of the reaction system.
- 100 parts of absolutely dry cellulose acetate, 50 parts of purified ⁇ -force prolatatone and 50 parts of purified cyclohexanone were added to the reactor, and the water concentration in the reaction system was adjusted to 0.1.
- 0.24 parts of stannous octoate (II) is added dropwise as a catalyst and reacted for 2 hours. .
- the solvent dissolves cellulose acetate having a hydroxyl group as a raw material and a cyclic ester-modified cellulose derivative as a product, and is an initiator for ring-opening polymerization of cyclic esters.
- a solvent that does not contain a functional group such as a hydroxyl group a cyclohexanone, cycloheptanone, cyclooctanone, cyclononanone, cyclodecanone, y-butalate rataton, a-methyl Y-Hexanolacton, ⁇ -Hexanocratataton, ⁇ -Octanoecturaton, ⁇ -Nano-Crataton, 2-Heptanone, 3-Heptanone, 4-to-1
- oligomer a cyclic ester homopolymer
- Such oligomers of cyclic esters have a carboxyl group and increase the acid value in the product. Therefore, if such an oligomer is contained in the product, cellulose acylate is easily hydrolyzed.
- origoma can degrade the appearance of the product and reduce the product quality due to bleed-out.
- Example 1 of Patent Document 1 acetone is added to the obtained graft polymer and dissolved, and then carbon tetrachloride is added. The solid precipitated in vacuum is vacuum-dried and then subjected to Soxhlet extraction with tetra-salt carbon for 10 hours.
- Example 1 of Patent Document 2 ⁇ -turnover ratataton and xylene are mixed and dissolved in cellulose acetate, and xylene containing titanium tetrabutoxide is added and reacted at 140 ° C. Soxhlet extraction is performed for 10 hours.
- Patent Document 1 Japanese Patent Application Laid-Open No. 59-86621 (claims, page 2, upper left and upper right column, examples)
- Patent Document 2 JP-A-60-188401 (Claims, page 2, lower right column, Examples)
- Patent Document 3 JP-A-2001-181302 (Claims, paragraph number [0023] Step number [0029], Example)
- an object of the present invention is to provide a cyclic ester-modified dulcan derivative that can suppress the formation of a homopolymer (oligomer) of a cyclic ester at a high level (for example, cyclic ester-modified cellulose acylate such as cyclic ester-modified cellulose acetate). It is an object of the present invention to provide a method for producing a modified dalkane derivative obtained by this method, and a molded article formed from the modified dolcan derivative.
- Another object of the present invention is to provide a method capable of producing a cyclic ester-modified glucan derivative efficiently with high graft efficiency, a modified dalkane derivative obtained by this method, and a molded article formed from this modified glucan derivative. It is to provide.
- glucan derivative having a hydroxyl group for example, a cellulose derivative
- a cyclic ester in a solvent in the presence of a ring-opening polymerization catalyst.
- a compound in which a cyclic ester is graft-polymerized to the above-mentioned glucan derivative having a hydroxyl group is prepared by reacting a specific catalyst and a specific solvent in combination.
- the present invention was completed by finding that the formation of homopolymers can be remarkably suppressed.
- the production method of the present invention comprises a modified dulcan derivative (grafted product) in which a glucan derivative having a hydroxyl group is reacted with a cyclic ester in a solvent in the presence of a ring-opening polymerization catalyst, and the cyclic ester is graft-polymerized.
- the ring-opening polymerization catalyst is a metal complex that does not initiate polymerization of a cyclic ester alone, and (2) the solvent power is 20 wt. % Of a non-aromatic hydrocarbon-based solvent, and a method for producing a modified dulcan derivative.
- the glucan derivative having a hydroxyl group may be a cellulose derivative or the like, for example, cellulose C acylate having an average substitution degree of 1.5 to 2.95.
- the cyclic ester is selected from C ratatotone and C cyclic diester force.
- the ring-opening polymerization catalyst is a metal complex having an anionic ligand corresponding to at least one selected from a halogen atom, an oxygen atom, a hydrocarbon, a ⁇ -diketone, and a carboxylate.
- a metal complex may be a tin complex having an ionic ligand corresponding to at least an aliphatic carboxylic acid [that is, the central metal is tin and the ionic ligand is at least aliphatic.
- Metal complex composed of a group carboxylic acid for example, tin carboxylates).
- the ratio (use ratio) of the ring-opening polymerization catalyst may be, for example, about 0.3 to 1.2 parts by weight with respect to 100 parts by weight of the glucan derivative having a hydroxyl group.
- the solvent may be composed of, for example, at least one selected from the group consisting of aliphatic hydrocarbons, aliphatic ketones, and chain ethers.
- the solvent may be composed of halogenated hydrocarbons.
- the proportion of the solvent is a group having a hydroxyl group. For example, it may be 60 parts by weight or more (for example, about 60 to 300 parts by weight) with respect to 100 parts by weight of the lucan derivative.
- the proportion of the solvent may be, for example, about 80 to 350 parts by weight with respect to 100 parts by weight of the cyclic ester.
- the proportion of the solvent may be, for example, about 40 to 95 parts by weight relative to 100 parts by weight of the total amount of the glucan derivative having a hydroxyl group and the cyclic ester!
- the reaction is preferably as little as possible! /, And it is preferable to carry out with a water content.
- the glucan derivative having a hydroxyl group and the cyclic ester are a glucan derivative having a hydroxyl group.
- the reaction may be carried out under the condition that the water content is 0.3% by weight or less with respect to the total amount of the cyclic ester and the solvent.
- the glucan derivative having a hydroxyl group is cellulose C acylate having an average substitution degree of 1.9 to 2.6, and (ii) ring-opening polymerization catalytic power tin C
- the solvent has a boiling point of 80 ° C or higher and a solubility in water at 20 ° C of 5% by weight or less, and an aliphatic carbonization complex. Hydrogen, aromatic hydrocarbons, aliphatic ketones, chain ethers, and halogenated hydrocarbons are also selected, and (iv) the proportion of the solvent is 65-250 parts by weight with respect to 100 parts by weight of a glucan derivative having a hydroxyl group and 90-280 parts by weight with respect to 100 parts by weight of a cyclic ester, and (V) a glucan derivative having a hydroxyl group, a cyclic ester, and And a method of reacting under the condition that the water content of the entire solvent is 0.15% by weight or less.
- a modified dulcan derivative can be obtained while suppressing the formation of a homopolymer of a cyclic ester at a high level.
- a grafted cyclic ester (cyclic ester unit) is obtained.
- A1 (mol) and the cyclic ester (cyclic ester unit) that constitutes the homopolymer of the generated cyclic ester as A2 (mol) the graft represented by [A1Z (Al + A2)] X 100 (%) It is possible to obtain a modified dulcan derivative with an efficiency of 90% or more.
- a modified glucan derivative in which a cyclic ester is graft-polymerized by reacting a glucan derivative having a hydroxyl group with a cyclic ester in a solvent in the presence of a ring-opening polymerization catalyst.
- a method of suppressing the formation of a cyclic ester homopolymer by reacting under the following conditions (1) and (2) when a conductor is produced is also included.
- the ring-opening polymerization catalyst is a metal complex that does not initiate polymerization of a cyclic ester alone.
- the solvent may be composed of a non-aromatic hydrocarbon solvent having a solubility in water at 20 ° C. of 10% by weight or less.
- the present invention also includes a modified dalkane derivative obtained by the above production method (a modified dalcan derivative obtained by subjecting a cyclic ester to a Daraf polymerization).
- the present invention also includes a molded article (or a molded article) formed from the modified dalkane derivative (modified dalkane derivative obtained by the production method).
- average degree of substitution refers to a hydroxyl group that is derivatized (etherified, esterified, etc.) among the hydroxyl groups at positions 2, 3 and 6 of the glucose unit (for example, Is the average degree of substitution (substitution ratio) (or the average number of moles of derivatized hydroxyl groups at the 2, 3 and 6 positions of the glucose unit relative to 1 mol of glucose unit), such as cellulose ester This is the same as the “average degree of substitution”.
- substitution ratio or the average number of moles of derivatized hydroxyl groups at the 2, 3 and 6 positions of the glucose unit relative to 1 mol of glucose unit
- a cyclic ester homopolymer (oligomer) is suppressed at a high level, and a cyclic ester-modified dulcan derivative (for example, a cyclic ester) Cyclic ester-modified cellulose acylate such as ester-modified cellulose acetate) can be obtained.
- a cyclic ester-modified dulcan derivative for example, a cyclic ester
- Cyclic ester-modified cellulose acylate such as ester-modified cellulose acetate
- a cyclic ester is reacted with a dalkane derivative having a hydroxyl group in a solvent in the presence of a ring-opening polymerization catalyst, and the cyclic ester is graft-polymerized (the cyclic ester is bonded to the hydroxy group).
- the ring-opening polymerization catalyst is a metal complex that alone does not initiate polymerization of a cyclic ester.
- the solvent may be composed of a non-aromatic hydrocarbon solvent having a solubility in water at 20 ° C. of 10% by weight or less.
- the glucan derivative having a hydroxyl group is not particularly limited as long as it has a hydroxyl group, but usually a part of the hydroxyl group of the glucose unit of glucan is derivatized (etherified, esterified, etc.). It may be a glucan derivative.
- the glucan derivative having the hydroxyl group an acyl group or the like is substituted for the hydroxyl group (hydroxyl groups located at the 2, 3 and 6 positions of the glucose unit) contained in the glucose unit (or glucose skeleton) of the glucan (
- the derivative is a glucan derivative that is derivatized by binding) and is a glucan derivative in which a part of the hydroxyl group remains.
- the glucan derivatives having a hydroxyl group may be used alone or in combination of two or more.
- the glucan is not particularly limited, and examples thereof include ⁇ -1,4-glucan, ⁇ -1,4-glucan, ⁇ -1,3-glucan, ⁇ -1,6-glucan, and the like.
- Typical darkans include, for example, polysaccharides such as cellulose, amylose, starch, lentinan and dextran.
- cellulose is particularly preferred from the industrial viewpoint, with cellulose and dampening (or amylose) being preferred.
- Glucans can be used alone or in combination of two or more.
- glucan derivative examples include etherified glucan, esterified glucan and the like.
- a typical glucan derivative a derivatized cellulose (cellulose derivative) will be described in detail.
- cellulose derivatives include cellulose ethers [eg, alkyl celluloses (eg, C-anolenoquinoselenose, such as methinoresenorelose, ethinoresenorelose), hydro
- Xylalkyl cellulose for example, hydroxy C alkyl cellulose such as hydroxyethyl cellulose and hydroxypropyl cellulose
- hydroxyalkyl alkyl Senorelose Hydro C alkyl C alkyl cellulose, such as hydroxy ethino retino seno relose, hydroxy propino retino seno relose
- Cyan alkyl cell mouth for example, hydroxy C alkyl cellulose such as hydroxyethyl cellulose and hydroxypropyl cellulose
- hydroxyalkyl alkyl Senorelose Hydroxy C alkyl C alkyl cellulose, such as hydroxy ethino retino seno relose, hydroxy propino retino seno relose
- Cellulose such as cyanoethyl cellulose
- carboxyalkyl cellulose such as carboxymethyl cellulose
- cellulose ester such as acyl cellulose or cellulose acylate
- inorganic acid ester such as cellulose nitrate or cellulose phosphate
- cellulose nitrate acetate etc.
- mixed acid cellulose esters of inorganic acids and organic acids include cyanoethyl cellulose, carboxyalkyl cellulose (such as carboxymethyl cellulose)], cellulose ester (such as acyl cellulose or cellulose acylate; inorganic acid ester such as cellulose nitrate or cellulose phosphate; cellulose nitrate acetate, etc.) And mixed acid cellulose esters of inorganic acids and organic acids).
- the cellulose derivative includes acyl cellulose (or cellulose acylate).
- the acyl group can be appropriately selected depending on the application.
- an alkyl carbonyl group for example, a C alkyl carbo yl group such as an acetyl group, a propiol group, a butyryl group (for example, , C alkylcarbonyl group, preferred
- an alkyl carbo group and more preferably an alkyl carbo group).
- a cycloalkyl carbo group (for example, C such as a cyclohexyl carbo ol group).
- aryl carbo yl group for example, C aryl carbo yl group such as benzoyl group, carboxy benzoyl group, etc.
- the acyl group may be bonded to the glucose unit of cellulose singly or in combination of two or more.
- an alkylcarbonyl group is preferred.
- an acetyl group and other acyl groups (such as C-acyl group) which may be bonded only to the acetyl group. ) And may be combined.
- Representative cellulose acylates include cellulose acetate, cellulose propionate, cenololose butyrate, cenololose acetate propionate, cenololose acetobutyrate, and the like, preferably cellulose c acrylate.
- cellulose acetate especially cellulose diacetate
- cellulose acetate is preferred.
- a glucan derivative having a hydroxyl group particularly, a cellulose derivative such as cellulose acylate such as cellulose acetate
- the average degree of substitution (average degree of substitution such as an acyl group, positions 2, 3 and 6 of the glucose unit)
- the average monole number of the derivatized hydroxyl group in) can also be selected, for example 0.8-2.97 (e.g. 1-2.96), preferably 1.5-2.95 (e.g. 1.8-2.8), more preferably 1. 9 to 2.6 (e.g., 2.0 to 2.5) or so usually 2.25 or more [e.g. 2.3 or more (e.g. 2.3 to 2.95), preferred It may be about ⁇ 2.35 to 2.93 (for example, 2.38 to 2.88)].
- a glucan derivative having a hydroxyl group for example, a cellulose derivative such as cellulose acylate
- the proportion of hydroxyl group is not particularly limited. For example, an average of 0.1 to 2.5 mol (for example, 0.12 to 2 mol), preferably 0.2 to 1.5 mol (for example, 0.3 to 1.2 mol) with respect to mol More preferably, it may be about 0.4 to 1 mol (for example, 0.5 to 0.7 mol).
- the degree of polymerization of the glucan derivative having a hydroxyl group (or glucan) is not particularly limited as long as the modified dalkane derivative obtained by the method of the present invention can be used for a desired purpose, and is the same as a commercially available product that is currently industrially available. If it is a grade, it can be used conveniently.
- the average degree of polymerization (viscosity average degree of polymerization) of the glucan derivative can be selected from a range of 70 or more (for example, 80 to 800), and is 100 to 500, preferably ⁇ or 110 to 400, and more preferably ⁇ or 120 to It may be about 350.
- the glucan derivative having a hydroxyl group to be used in the reaction may be a glucan derivative having a minimum water content in order to more efficiently suppress the formation of a cyclic ester homopolymer in the reaction.
- the water content of the glucan derivative having a hydroxyl group is preferably as low as 0.5% by weight or less (0 (or detection limit) to about 0.3% by weight), preferably as low as possible. 0. 1 wt% or less (e.g., 0.1 0001-0. 05 weight 0/0 approximately), more preferably 0.05 wt 0/0 or less (e.g., 0.0002 to 0.
- the water content of the glucan derivative having a hydroxyl group can be reduced by a conventional drying process such as drying under reduced pressure.
- the drying under reduced pressure may be performed under heating (for example, 50 to 200 ° C, preferably 70 to 180 ° C, more preferably about 90 to 150 ° C).
- glucan derivatives having a hydroxyl group are commercially available. These compounds (for example, cellulose acetate etc.) may be used or synthesized by a conventional method.
- cellulose acylate is usually subjected to an active treatment of cellulose with an organic carboxylic acid corresponding to the acyl group (such as acetic acid) and then an acid anhydride (such as acetic anhydride) using a sulfuric acid catalyst.
- Product to prepare triacyl ester (especially cellulose triacetate), decompose excess amount of acylating agent (especially acid anhydrides such as acetic anhydride), and remove it by saccharification or saponification (hydrolysis or aging).
- the acylating agent may be an organic acid halide such as acetic acid chloride, but is usually C alkane carbonate such as acetic anhydride, propionic anhydride or butyric anhydride.
- Bonic acid anhydride and the like can be used.
- the cyclic ester is not particularly limited as long as it is a cyclic compound having at least one ester group (COO ⁇ ) in the molecule and can be graft-polymerized with glucan.
- cyclic monoesters such as ⁇ -propiolatatatone, butyrolatatatone, ⁇ -butyrolatathone, ⁇ valerolatataton, ⁇ -one-prolacton, lau-mouth ratataton, enanthlactone, dodecanolataton, stearoratonone, a-methyl-one ⁇ -cub mouth-latathon, ⁇ -methyl- ⁇ - C such as force prolatatone, ⁇ -methyl- ⁇ -force prolatatone, j8, ⁇ -dimethyl-one ⁇ -force prolatatone, 3, 3, 5-trimethyl-one ⁇ -force prolatatone
- 3-latatones preferably C-latatanes, more preferably C-latathones), cyclic diesters (
- C such as glycolide, lactide (L-lactide, D-lactide or a mixture thereof)
- the cyclic ester is preferably selected as appropriate so that the melt moldability and mechanical properties of the obtained cyclic ester-modified dolcan derivative are suitable for the intended use.
- C Lataton for example, ⁇ -petit mouth Lataton, ⁇
- cyclic diester [Lactide (L-lactide, D -Lactide, or a mixture thereof). More preferable cyclic esters are not particularly limited as long as they are easily available industrially, and examples thereof include ⁇ -strength prolatatone and lactide (L-lactide, D-lactide, or a mixture thereof).
- the cyclic esters may be used alone or in combination of two or more. When two or more types are combined, a preferable combination is not particularly limited as long as the melt-formability and mechanical properties of the obtained cyclic ester-modified dalkane derivative are suitable for the intended purpose.
- ⁇ - strength prolataton and lactide A combination of L-lactide, D-lactide, or a mixture thereof can be exemplified.
- the ratio of cyclic ester is not particularly limited, but is 5 to 100 parts by weight per 100 parts by weight of a glucan derivative having a hydroxyl group. : L000 parts by weight (for example, 10 to 400 parts by weight), preferably 20 to 200 parts by weight, more preferably about 30 to 150 parts by weight (for example, 35 to 130 parts by weight) It may be about 170 parts by weight (for example, 60 to 140 parts by weight, preferably 65 to 120 parts by weight).
- the water content of the cyclic ester used in the reaction is preferably as low as possible based on the total cyclic ester of 0.5% by weight or less [0 (or detection limit) to about 0.3% by weight] Preferably, it is 0.1% by weight or less (eg, about 0.0001 to 0.05% by weight), more preferably 0.01% by weight or less (eg, about 0.0003-0.005% by weight). Also good.
- the water content of the cyclic ester can be reduced by a conventional method such as distillation, contact with a desiccant (eg, magnesium sulfate).
- a catalyst for the graft polymerization reaction it is a compound that becomes a catalyst for the ring-opening polymerization (or graft polymerization) of the cyclic ester, and does not initiate the polymerization of the cyclic ester alone.
- Metal complex that does not contain active hydrogen-containing compounds may be a metal complex that does not initiate (or does not substantially initiate) the polymerization of the cyclic ester.
- These metal complexes are capable of ring-opening polymerization of a cyclic ester only in the presence of a compound having an active hydrogen such as a hydroxyl group (for example, the hydroxyl group of the above-mentioned dulcan derivative) or a gamino group (excluding a tertiary amino group). Can start.
- the present inventors use the metal complex as a graft polymerization reaction catalyst, so that the homopolymerization of the cyclic ester from the ring-opening polymerization complex itself does not proceed (or the homopolymerization of the cyclic ester is substantially It has been found that a graft polymer can be obtained with high efficiency.
- a metal complex capable of initiating polymerization of a cyclic ester alone a metal complex having an alkoxy group, an amino group or the like as a ligand (for example, triisopropoxyaluminum, tetra-n-butoxytitanium) And metal alkoxides such as tetraisopropoxytitanium and tributyltin monomethoxide).
- metal complexes that is, ring-opening polymerization catalysts for cyclic esters, are used for ring-opening polymerization of cyclic esters using metal complexes having alkoxy groups, amino groups, etc.
- incompatible metal complexes ligands
- a cyclic ester is inserted between the ligand and the central metal in a ring-opened structure, and the homopolymerization reaction of the cyclic ester, in which the metal complex itself serves as a polymerization initiator, proceeds. Therefore, when the incompatible metal complex is allowed to coexist in the mixed system of the glucan derivative having a hydroxyl group and the cyclic ester, not only the graft polymerization reaction from the glucan derivative but also the incompatible metal complex itself can be obtained.
- the homopolymerization of the cyclic ester proceeds, and a large amount of the homopolymer (oligomer) of the cyclic ester is produced as a by-product in addition to the target draft polymer, and the draft efficiency is greatly reduced.
- the metal complex is composed of a central metal and a ligand coordinated to the central metal, and does not exhibit a specific ligand (or a polymerization activity for a cyclic ester) constituting the metal complex.
- ligands or ligands that are inert to cyclic esters include carbon monoxide (CO), halogen atoms (fluorine atoms, chlorine atoms, etc.), oxygen atoms, hydrocarbons [example For example, alkanes (C alkanes such as methane, ethane, propane, butane, preferably C
- alkanes 1-20 1 alkanes, more preferably C alkanes, etc., cycloalkanes (eg
- cycloalkanes such as cyclohexane and cyclohexane, and arenes (benzene, toluene)
- ⁇ -diketones eg ⁇ , such as acetylenoacetone
- carboxylic acids eg alkane carboxylic acids (eg acetic acid, prop
- C-alkane carboxylic acids such as lopionic acid, butanoic acid, pentanoic acid, hexanoic acid, heptanoic acid, octanoic acid, 2-ethenolehexanoic acid, nonanoic acid, decanoic acid, lauric acid, etc.
- Aliphatic carboxylic acids such as Kakuji Alkanecarboxylic acid
- Aromatic power such as benzoic acid
- Rubonic acid, etc. ligands corresponding to carbonic acid, boric acid, etc. (for example, arion ligands such as halo, alkyl, acylacetonato, and acyl). These ligands may be coordinated to the central metal alone or in combination of two or more.
- the ligand is at least a ionic ligand (a ionic ligand corresponding to a halogen atom, an oxygen atom, a hydrocarbon, a ⁇ -diketone, a carboxylic acid, etc.) unless it exhibits the polymerization activity.
- it may be composed of a ionic ligand corresponding to an aliphatic carboxylic acid.
- Examples of the central metal of the ring-opening polymerization catalyst include typical metals [for example, alkali metals (for example, lithium, sodium, potassium, etc.), alkaline earth metals (for example, magnesium, calcium, strontium, etc.). Etc.), Periodic Table Group 12 metals (such as zinc), Periodic Table Group 13 metals (such as aluminum), Periodic Table Group 14 metals (germanium, tin, etc.), Periodic Table Group 15 metals (such as antimony and bismuth) Etc.], transition metals [e.g.
- rare earth metals or periodic table group 3 metals such as yttrium, lanthanum, neodymium, samarium, plutonium, erbium, etc.
- periodic table group 4 metals titanium, zirconium, ytterbium) Etc.
- periodic table group 5 metals such as niobium
- periodic table group 6 metals such as molybdenum
- periodic table groups 7-9 metals such as iron
- the ring-opening polymerization catalyst is not particularly limited as long as it does not itself initiate polymerization of a cyclic ester, but a typical ring-opening polymerization catalyst includes an alkoxy group (and a hydroxyl group). Group) and ⁇ or amino groups (amino groups other than tertiary amino groups) as ligands! / ⁇ Metal complexes such as carboxylates, carbonates, borates, oxides, acetylylacetonate chelates and the like can be mentioned.
- ring-opening polymerization catalyst examples include alkali metal compounds (for example, sodium carbonate, potassium carbonate, lithium carbonate, sodium acetate, potassium acetate, lithium acetate, sodium stearate, lithium stearate, lithium benzoate and the like).
- alkali metal compounds for example, sodium carbonate, potassium carbonate, lithium carbonate, sodium acetate, potassium acetate, lithium acetate, sodium stearate, lithium stearate, lithium benzoate and the like.
- Tin C alkane carboxylates alkyl tin carboxylates (eg, dibu
- 1-12 2-18 can carboxylate, preferably mono or di C alkyltin C alkanecarbo
- Tin (or tin) force nolevoxylates such as xylates; anolequinoles oxides (eg mono- or dialkyl tin oxides such as monobutyltin oxide, dibutyltinoxide, diisoptyltinoxide); halogenated Tin (eg tin chloride); Halogenated tin acetylacetate (eg tin chloride acetylacetonate); Tin tin oxide (tin nitrate)
- anolequinoles oxides eg mono- or dialkyl tin oxides such as monobutyltin oxide, dibutyltinoxide, diisoptyltinoxide
- halogenated Tin eg tin chloride
- Halogenated tin acetylacetate eg tin chloride acetylacetonate
- Tin sulfate, etc. lead compounds (such as lead acetate), antimony compounds (such as triacid-antimony), bismuth compounds (such as bismuth acetate), or other typical metal compounds or typical metal complexes Rare earth metal compounds (eg lanthanum acetate, samarium acetate, pyrium acetate)
- Rare earth metal carboxylates such as erbium acetate and ytterbium acetate
- titanium compounds such as titanium acetate
- zirconium compounds zirconium acetate, zirconium acetyl
- Transition metal compounds or transition metal complexes such as iron acetate, niobium acetate (such as niobium acetate), iron complexes or iron compounds (eg, iron acetate, iron acetylacetonate, etc.).
- tin carboxylates for example, tin (or tin) carboxylate (for example, tin C alkanecarboxyl such as stannous octylate).
- alkyl tin carboxylates eg monobutyltin tris (2-ethylhexanoate), dibutinoreszbis (2-ethylhexanoate)
- the ring-opening polymerization catalysts may be used alone or in combination of two or more.
- the ratio (use ratio) of the ring-opening polymerization catalyst is 1 mol of the hydroxyl group of the above-mentioned dulcan derivative (specifically, the starting dalcan derivative). against, for example, 10 _7 to 10 _1 moles, preferably 5 X 10 _7 to 5 X 10- 2 mol, preferably 10 _6 to 3 X 10_ 2 moles al is particularly 10 _5 ⁇ 10_ 2 moles (e.g.
- 10 _5 ⁇ 8 X 10 _ 3 moles be about Yogu usually 2 X 10 _5 ⁇ 5 X 10-3 mole (e.g., 2 X 10 _5 ⁇ 2 X 1 0-3 moles, preferably 5 X 10_ 5 ⁇ : L0- 3 moles, more preferably it may be a 5 X 10 _5 ⁇ 5 X 10_ 4 molar) about.
- 2 X 10 _5 ⁇ 5 X 10-3 mole e.g., 2 X 10 _5 ⁇ 2 X 1 0-3 moles, preferably 5 X 10_ 5 ⁇ : L0- 3 moles, more preferably it may be a 5 X 10 _5 ⁇ 5 X 10_ 4 molar
- the use of a specific solvent having low solubility in water can suppress the influence of water in the polymerization system or reaction as much as possible. Is suppressed at a high level.
- the reason why the formation of homopolymer can be suppressed by using a specific solvent is that (1) the specific solvent azeotropes with water present in the reaction system, and (2) the specific solvent uses water. It may be possible to enclose and form a cluster. Specifically, (1) the boiling point of a specific solvent is often in the vicinity of the reaction temperature. The influence of water involved in the polymerization of cyclic esters is mitigated.
- a non-aromatic hydrocarbon solvent (hydrophobic non-aromatic hydrocarbon solvent, simply solvent, hydrophobic solvent, etc.) having a solubility in water of 10% by weight or less at 20 ° C. ! / May be used).
- the solubility of the non-aromatic hydrocarbon solvent in water at 20 ° C should be 10% by weight or less [eg, 0 (or detection limit) to 8% by weight]. 0.001 to 6% by weight), preferably 5% by weight or less (eg, about 0.0005 to 4% by weight), more preferably 3% by weight or less (eg, about 0.008 to 2% by weight), In particular, in order to suppress the homopolymer more efficiently even if it is 1% by weight or less (for example, about 0.001 to 0.8% by weight), 0.7% by weight or less (for example, 0.002%). -0.
- solubility in water exceeds 10% by weight at 20 ° C, the formation of a homopolymer having a small effect of suppressing the influence of water in the polymerization system cannot be suppressed.
- the boiling point of the non-aromatic hydrocarbon solvent is, for example, 60 ° C or higher (eg, about 70 to 250 ° C), preferably 80 ° from the viewpoint of reacting the cyclic ester. C or higher (for example, about 85-220 ° C), more preferably 90 ° C or higher (for example, about 95-200 ° C), particularly 100 ° C or higher (for example, about 105-180 ° C) Also good. If the boiling point of the non-aromatic hydrocarbon solvent is too low, it cannot be raised to a suitable reaction temperature, and the polymerization rate decreases.
- the solvent (specifically, a non-aromatic hydrocarbon solvent having a solubility in water at 20 ° C of 10% by weight or less) is not particularly limited.
- aliphatic hydrocarbons for example, Alkanes (eg, heptane (eg n-heptane), octane (eg n-octane, isooctane), nonane (eg n-nonane), decane (eg n-decane), undecane (eg n-decane), dodecane (eg n-dodecane, isododecane, etc.), tridecane (n-tridecane, etc.), C 7 _alkanes such as tetradecane (eg n-tetradecane), hexadecane (eg n-hexadecane), preferably C alkane, more preferably C alkane),
- Lucans eg C cycloalkanes such as cyclopentane, cyclohexane etc., preferably
- Ketones preferably C dialkyl ketones, more preferably C dialkyl ketones).
- Chain ethers for example, dialkyl ethers (eg, C dialkyl ethers such as di n-propyl ether, di n butyl ether, preferably C dialkyl ethers
- dialkyl ethers eg, C dialkyl ethers such as di n-propyl ether, di n butyl ether, preferably C dialkyl ethers
- Tellurium eg C alkyl-C aryl ethers such as
- Non-halogen solvents such as C alkyl C aryl ether etc.
- halogen-based solvent examples include, for example, haloalkane [for example, dichloroethane (1,2-dichloroethane and the like), trichloroethane (1,1,2 trichloroethane and the like).
- halo C _ alkane such as chloro mouth hexane, preferably halo C alkane, more preferably halo C alkane], halo
- Cycloalkanes eg halo c such as chlorocyclopentane, chlorocyclohexane, etc.
- solvents may be used alone or in combination of two or more.
- the solvent may be composed of only a non-halogen solvent or a halogen solvent, or a non-halogen solvent and a halogen solvent.
- the solvent does not dissolve the hydroxyl group-containing glucan derivative (or hardly dissolves), or the hydroxyl group-containing glucan derivative. It can be a solvable solvent.
- the non-halogen solvent may be a solvent that does not normally dissolve the glucan derivative having the hydroxyl group, and the halogen solvent can normally dissolve the dulcan derivative having the hydroxyl group. It may be a solvent.
- the solvent that does not dissolve the hydroxyl group-containing glucan derivative may be any solvent that does not dissolve the hydroxyl group-containing glucan derivative, and any mixed system of a hydroxyl group-containing glucan derivative and a cyclic ester. Then, the glucan derivative having a hydroxyl group may be in an undissolved state (or a dispersed state) or may be dissolved.
- the solvent may be composed only of a non-aromatic hydrocarbon solvent as long as it is composed of a non-aromatic hydrocarbon solvent, as long as it does not impair the effects of the present invention.
- Non-aromatic hydrocarbon solvents and other solvents for example, solvents with water solubility exceeding 20 wt.% At 20 ° C, aromatic hydrocarbons with water solubility below 20 wt.% At 20 ° C
- Solvent etc. Usually, the solvent is a solvent substantially free from a solvent having a water solubility of more than 10% by weight at 20 ° C., for example, a non-aromatic hydrocarbon solvent alone or a non-aromatic hydrocarbon solvent and 20 ° C. May be a mixed solvent with an aromatic hydrocarbon solvent having a solubility in water of 10% by weight or less.
- aromatic hydrocarbon solvents having a solubility in water at 20 ° C of 10% by weight or less include non-halogen aromatic hydrocarbons [for example, benzene, arenes having an alkyl group (for example, C alkylbenzene such as toluene, xylene (o-xylene, m-xylene, p-xylene), ethylbenzene, preferably C alkylbenzene,
- C alkylene such as C alkylbenzene
- C alkylbenzene preferably C
- halogenated aromatic hydrocarbons for example,
- Halo C arenes such as black benzene, dichlorobenzene, chlorotonolene, chloromethylolene benzene, chloroethyl benzene, etc., preferably halo C arenes, more preferred
- black mouth C arene).
- aromatic hydrocarbon solvents are
- the solvent is a hydrophilic solvent (specifically, the solubility in water exceeds 20% by weight at 20 ° C for the purpose of adjusting the viscosity and uniformity of the reaction system). Solvent).
- the hydrophilic solvent is a solvent having a solubility in water exceeding 20% by weight at 20 ° C, and is a functional group (hydroxyl group, primary or secondary amino group) that serves as an initiator for ring-opening polymerization of a cyclic ester.
- ketones for example, acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclopentanone, cyclohexanone, etc.
- esters methyl acetate, ethyl acetate, etc.
- Nitrogen-containing solvents nitromethane, acetonitrile, N-methylpyrrolidone, dimethylformamide, etc.
- glycols with modified terminal hydroxyl groups for example, methyldaricol acetate, etc.
- ethers tetrahydrofuran, dioxane, dioxolane, etc.
- Sulfoxides such as dimethyl sulfoxide
- propylene carbonate and the like.
- the amount of water in the hydrophilic solvent is as small as possible! 0.5% by weight or less based on the total amount of the hydrophilic solvent, preferably [0 (or detection limit) to 0 About 3% by weight], preferably 0.1% by weight or less (eg, 0.07% by weight or less), more preferably 0.04% by weight or less [eg, 0.01% by weight or less (eg, 0.003% or less). About 0.005% by weight)].
- the proportion of the solvent having a solubility in water at 20 ° C of more than 10% by weight is not particularly limited as long as the object of the present invention is not impaired, but the non-aromatic hydrocarbon described above
- a system solvent a non-aromatic hydrocarbon solvent having a solubility in water of 10% by weight or less at 20 ° C
- 100 parts by weight or less for example, about 1 to 80 parts by weight
- more preferably 60 parts by weight or less for example, about 2 to 40 parts by weight
- usually 30 parts by weight or less for example, 10 parts by weight Less than (for example, about 3-10 parts by weight)] Yes.
- the proportion of the hydrophilic solvent used is too large, the effect of suppressing the influence of water in the polymerization system is reduced, and the production of the cyclic ester homopolymer cannot be suppressed.
- the ratio of the solvent is a solvent (non-halogen solvent, halogen solvent, a mixed solvent of these solvents and an aromatic hydrocarbon solvent having a solubility in water at 20 ° C of 10% by weight or less, etc.)
- the force depending on the kind of the compound can be selected with respect to 100 parts by weight of the glucan derivative having a hydroxyl group, for example, 60 to 450 parts by weight (for example, 65 to 400 parts by weight), preferably 60 to 300 parts by weight (eg 65 to 250 parts by weight), more preferably 70 to 200 parts by weight (eg 75 to 190 parts by weight), in particular 80 to 180 parts by weight.
- Part (for example, 85 to 170 parts by weight) usually 90 to 160 parts by weight (for example, 95 to 150 parts by weight, preferably 100 to 160 parts by weight, more preferably 110 to 150 parts by weight).
- the ratio of the solvent is not particularly limited, but can be selected from a range of about 40 to 800 parts by weight (for example, 50 to 600 parts by weight) with respect to 100 parts by weight of the cyclic ester.
- Parts by weight eg 70-400 parts by weight
- 80-350 parts by weight eg 85-300 parts by weight
- 90-280 parts by weight eg 95-270 parts by weight
- It may be about ⁇ 250 parts by weight (for example, 110 to 240 parts by weight) or may be about 100 to 180 parts by weight (for example, 110 to 150 parts by weight).
- the ratio of the solvent is not particularly limited! However, a range force of 10 to 200 parts by weight can be selected with respect to 100 parts by weight of the total amount of the glucan derivative having a hydroxyl group and the cyclic ester. 20 to 180 parts by weight, preferably 30 to 170 parts by weight (eg 35 to 160 parts by weight), more preferably 40 to 150 parts by weight (eg 45 to 130 parts by weight), especially 50 to 120 parts by weight ( For example, it may be about 55 to: L00 parts by weight), usually 40 to 95 parts by weight (for example, 45 to 90 parts by weight, preferably 50 to 85 parts by weight, more preferably 55 to 80 parts by weight). If the amount of the solvent to be used is too small, the effect of suppressing the influence of water in the polymerization system is reduced, and the formation of homopolymer cannot be suppressed. If the amount is too large, it is not economically suitable for the environment.
- the ring-opening polymerization reaction (grafting reaction) is carried out in a solvent in the presence of a ring-opening polymerization catalyst.
- the method is not particularly limited as long as the glucan derivative having a group and a cyclic ester can be reacted, but usually each component (a glucan derivative having a hydroxyl group, a cyclic ester, a ring-opening polymerization catalyst, and a solvent) Can be mixed.
- the ring-opening polymerization reaction may be carried out at room temperature. Usually, in order to carry out the reaction efficiently, it may be carried out under heating.
- the reaction temperature is (A ⁇ 20) to (A + 40) (° C) (for example, A to (A + 35)
- the temperature can be selected from the range of (° C) and is usually a temperature above the boiling point of the solvent, for example, A to (A + 30) (° C) [eg, A to (A + 25) (° C)], preferably A to (A + 22) (° C), more preferably (A + 3) to (A + 20) (° C), usually (A + 5) to (A + 18) (° C)
- the boiling point of the solvent having the lowest boiling point in the pure substance may be set as the above boiling point.
- the polymerization is carried out at a temperature that is higher than the boiling point of the solvent to be used, it is difficult to control the formation of homopolymers that have a small inhibitory effect, making it difficult to control and increasing the pressure in the system. There's a problem.
- the specific reaction temperature is a force depending on the type of solvent, for example, 60 to 250 ° C (for example, 70 to 240.C), preferably 80 to 220. C (for example, 90 to 200.C), more preferably 100 to 180 ° C. (for example, 105 to 170 ° C.), usually a reaction temperature of about 110 to 160 ° C. (For example, 90-145 ° C, preferably about 100-140 ° C). Note that if the reaction temperature is too low (for example, less than 60 ° C), the polymerization rate will be significantly reduced, and if the reaction temperature is too high (for example, over 250 ° C), depending on the type of glucan derivative. May thermally decompose.
- the ring-opening polymerization reaction can be carried out in a normal inert atmosphere which may be carried out in air or in an inert atmosphere (such as nitrogen, helium or other rare gas). Further, the ring-opening polymerization reaction may be carried out at normal pressure or under pressure. Furthermore, the grafting may be performed with stirring.
- the ring-opening polymerization reaction is preferably carried out with as little water as possible in order to efficiently suppress the formation of a homopolymer of cyclic ester and side reactions.
- the water content with respect to the total amount of glucan derivative having a hydroxyl group, cyclic ester, and solvent is, for example, 0.3% by weight or less [0 (or detection limit) to about 0.25% by weight. Degree], preferably 0.2% by weight or less (for example, about 0.0001-0.18% by weight), more preferably Preferably, it may be 0.15% by weight or less (for example, about 0.0005-0.12% by weight), particularly 0.1% by weight or less (for example, about 0.001 to 0.05% by weight). .
- the reaction time is not particularly limited, and may be, for example, 10 minutes to 24 hours, preferably 30 minutes to 10 hours, and more preferably about 1 to 6 hours.
- a modified glucan derivative obtained by graft-polymerizing a cyclic ester to a hydroxyl group-containing glucan derivative while suppressing the formation of a homopolymer (oligomer) of the cyclic ester is obtained. It can be obtained efficiently.
- the conversion rate of the cyclic ester can be selected as a range force of 70% or more (for example, about 75 to 100%), for example, 80% or more (for example, 82 to 100%), preferably 85% or more (for example, about 88 to 99.9%), more preferably 90% or more (for example, about 93 to 99.8%), particularly 95% or more (for example, 97 to 99.6%), usually 98% or more (for example, about 98.5 to 100%).
- the conversion rate of the cyclic ester is relatively low! [For example, 10% or more (for example, about 15 to 70%), preferably 20% or more (for example, about 25 to 60%) ), More preferably 30% or more (for example, about 35 to 50%)].
- the graft polymerization reaction can be carried out while efficiently suppressing an increase in the viscosity of the reaction system due to a large amount of the cyclic ester remaining.
- the remaining cyclic ester can be recovered by devolatilization or the like in a later step.
- graft-polymerized cyclic ester (or cyclic ester unit) was produced as A1 (mole), and a homopolymer of cyclic ester (specifically produced as a by-product) was produced.
- the graft efficiency represented by [A1Z (A1 + A2)] X 100 (%) is 70% or more (for example, about 75-100%) ) Range force of 85% or more (for example, about 88-99.9%), preferably 90% or more (for example, about 93 to 99.8%), and more preferably 95% or more (for example, 96 to 99.7%), especially 97% or more (for example, 98-: about LOO%).
- a graft chain formed by grafting a cyclic ester (that is, a graft chain obtained by grafting a cyclic ester to a hydroxyl group, or a hydroxyl group graft-substituted with a cyclic ester) Group) is, for example, 0.01 to 2 mol (for example, 0.0 1 to 1.7 mol), preferably 0.02 to: L 5 with respect to 1 mol of glucose unit constituting glucan. (For example, 0.03 to: L 2 mol), more preferably 0.05 to 1 mol (for example, 0.07 to 0.8 mol;), particularly 0.08 to 0.7 mol (for example, 0. 0 9 to 0.5 mol).
- the modified dalkane derivative all of the hydroxyl groups derived from the glucan derivative having a hydroxyl group may be grafted, or a part of the hydroxyl group may remain.
- the ratio of hydroxyl groups (remaining hydroxyl groups, hydroxyl groups of glucose units) and graft chains is particularly limited.
- the former Z latter (molar ratio) 95Z5 ⁇ : L0Z90, preferably 90Z10 ⁇ 30 ⁇ 70 (for example, 85 ⁇ 15 ⁇ 50 ⁇ 50), more preferably about 80 ⁇ 20 ⁇ 60 ⁇ 40.
- the degree of substitution of the acyl acyl group graft chain, the concentration of the hydroxyl group, the proportion of the graft component, etc., in the modified dulcan derivative are determined by conventional methods such as nuclear magnetic resonance spectrum ( ⁇ ⁇ ⁇ ⁇ ⁇ MR) (—NMR , 13 C-NMR, etc.).
- the modified graft derivative usually has a hydroxyl group.
- a hydroxyl group include a hydroxyl group at the terminal of the graft chain and a hydroxyl group remaining in the glucose unit.
- Such a hydroxyl group may be protected with a protecting group as necessary for the purpose of suppressing or adjusting the hygroscopicity of the modified graft derivative.
- the protecting group is not particularly limited as long as it is a non-reactive group capable of protecting a hydroxyl group.
- an alkyl group for example, a methyl group, an ethyl group, a propyl group, a tbutyl group, 2-cyclohexene Xylou 2-propyl group, hexyl group, chloromethyl group, fluoromethyl group, trichloromethyl group, trifluoromethyl group and other substituents (norogen atom, etc.), which may be C alkyl groups (preferably C alkyl group), etc.], cycloalkyl groups (eg., a methyl group, an ethyl group, a propyl group, a tbutyl group, 2-cyclohexene Xylou 2-propyl group, hexyl group, chloromethyl group, fluoromethyl group, trichloromethyl group, trifluoromethyl group and other substituents (norogen
- a cycloalkyl group which may have a substituent such as a cyclohexyl group
- aromatic Aromatic hydrocarbon group c-aryl group such as phenyl group, aralkyl group such as benzyl group
- Hydrocarbon groups such as bridged cyclic hydrocarbon groups (having substituents such as adamantyl group and norbornyl group !, may be! /, 2 to 4 bridged cyclic C hydrocarbon groups); Oxacycloa
- Alkyl group for example, 5- to 8-membered oxacycloalkyl group such as tetrahydrofuranyl group
- alkoxyalkyl group for example, C alkoxy-C a such as 1-methoxyethyl group
- alkyl group such as an acetal protecting group; an alkyl carbo group (a C alkyl carbo group such as acetyl, propiol, preferably a C alkyl carbo ol group), a cycl
- Methyl alkyl group (C cycloalkyl group such as cyclohexyl carbo group)
- acyl groups such as a sulfonyl group
- an aryl group such as benzoyl
- Protecting groups may be used alone or in combination of two or more to protect a hydroxyl group! / ⁇ .
- a method for protecting the hydroxyl group for example, a method in which a glucan derivative obtained by graft polymerization of the cyclic ester obtained by the above method is reacted with a protective agent (protective agent corresponding to the protective group of the hydroxyl group).
- a protective agent protecting agent corresponding to the protective group of the hydroxyl group.
- the protecting agent is not particularly limited as long as it is a compound corresponding to a protecting group (or a compound having a protecting group) and can form a bond by reacting with the hydroxyl group.
- the protecting group is an alkyl group.
- a metal alkoxide or the like can be used as a protective agent
- an acylating agent or the like can be suitably used as the protective agent.
- the acylating agent include acid halides (for example, alkylcarbonyl chlorides such as acetic acid chloride and propionic acid chloride), acid anhydrides (such as acetic anhydride), and alkenyl acylates [for example, 1-alkenyl. -Lucylates (for example, C
- Protective agents for example, acylic agents
- the amount of the protective agent to be used is not particularly limited, but is 0.9 to 8 mol (for example, 1 to 6 mol), preferably about 1.2 to 5 mol with respect to 1 mol of the hydroxyl group. May be.
- a base catalyst for example, an inorganic base such as a metal hydroxide or a metal carbonate; an organic base such as an amine or a metal carboxylate ⁇ , an acid catalyst ⁇
- inorganic acids such as sulfuric acid
- organic acids for example, organic sulfonic acids, organic strength Catalysts such as rubonic acid etc.
- the catalysts may be used alone or in combination of two or more.
- the reaction between the dalkane derivative and the protective agent may be performed in the absence of a solvent or in a solvent (a solvent that is non-reactive with the protective agent).
- the solvent may be any solvent that is non-reactive with the protective agent. Examples include ethers, esters, ketones, halogenated solvents, aromatic hydrocarbons, nitrogen-containing solvents (such as pyridine), and the like. It is done. Solvents can be used alone or in combination of two or more! /.
- the reaction between the dalkane derivative and the protective agent may be carried out at room temperature or under heating, usually under heating (for example, about 40 to 150 ° C, preferably about 50 to 130 ° C). You may go. Moreover, you may perform reaction of the said dalkane derivative and a protective agent under a normal pressure or pressurization. Furthermore, the reaction may be performed in air or an inert atmosphere (nitrogen, rare gas, etc.) which may be performed with stirring. The reaction time may be, for example, 30 minutes to 48 hours, preferably about 1 to 24 hours.
- the hydroxyl group may be protected by separating (and purifying) the product obtained by the grafting and reacting the separated (and purified) graft product with a protective agent. It may be carried out continuously in the same reaction system as the grafting. When carrying out in the same reaction system, in order to reduce the viscosity of the reaction system, if necessary, a large amount or an excessive amount of cyclic ester is used in the grafting in which a solvent may be added in advance. Esters may be used as solvents.
- the ratio of the protecting group is 1 mol of the graft chain. It can be selected from the range of 0.7 to 1 mol, for example, 0.9 to 1 mol, preferably about 0.95 to 0.999 mol.
- the modified graft derivative has a small amount, but may have a carboxyl group.
- a carboxyl group may be protected (or sealed) in the same manner as the remaining hydroxyl group.
- the protective agent corresponding to such a protective group for the carboxyl group include calpositimide compounds.
- the carboxyl group may be protected under the same conditions as the hydroxyl group protection.
- the reaction mixture after completion of the reaction (after graft polymerization, after graft polymerization and protection of the hydroxyl group) is subjected to conventional methods such as filtration, concentration, distillation, extraction, neutralization, precipitation, and other separation means, Separation and purification can be performed by a separation means combining these.
- the modified dulcan derivative thus obtained can be used as a thermoplastic, and is in the form of powder, pellets (eg, resin pellets, masterbatch pellets), and a solvent-containing composition (dope, coating composition, etc.) ) And the like.
- the modified dulcan derivative may constitute a rosin composition.
- the glucan derivatives can be used alone or in combination of two or more.
- the resin composition may contain other resin as a resin component, for example, olefin resin, acrylic resin, styrene resin, polycarbonate resin, polyester resin, and polyacetal resin.
- Other rosins may be used alone or in combination of two or more.
- the resin composition includes conventional additives such as fillers (fillers) or reinforcing agents, colorants (dyeing pigments), conductive agents, flame retardants, plasticizers, lubricants, stabilizers (antioxidants). Agents, ultraviolet absorbers, heat stabilizers, etc.), mold release agents, antistatic agents, and the like. These additives can be used alone or in combination of two or more.
- the modified dulcan derivative (and its composition) is excellent in moldability, solvent solubility, and the like, and can be suitably used as a thermoplastic plastic. It is useful for forming original shaped bodies, films, sheets, two-dimensional shaped bodies such as coating films (or thin films), three-dimensional shaped bodies).
- a known molding method such as an extrusion molding method, an injection molding method, an injection compression molding method, a transfer molding method, a blow molding method, a coating method (spin coating method, roll coating method). Method, curtain coating method, dip coating method, casting film forming method, etc.), spinning method (melt spinning method, dry spinning method, wet spinning method, etc.) can be used.
- a glucan derivative for example, cellulose such as cellulose acetate
- a cyclic ester homopolymer oligomer
- Acylate can be grafted with cyclic ester
- Modified dalkane derivatives for example, cellulose acylate derivatives obtained by such a method of the present invention (or molded products formed with modified dolcan derivatives) are various molded products (or molded products, for example, Injection molded products) are used in various applications, such as office automation (OA), household electrical appliances, electrical / electronics, communications equipment, sanitary, transportation vehicles such as automobiles, housing-related fields such as furniture and building materials, and miscellaneous goods. It can be suitably used for various parts such as fields and housing.
- OA office automation
- GPC general permeation chromatography
- RI detector “RI-930” manufactured by JASCO Corporation
- UV detector “UV-970” manufactured by JASCO Corporation
- Oven “CTA-10A” manufactured by Shimadzu Corporation.
- Indicator phenolphthalein solution.
- Example 1 the product (graft) obtained in Example 1 and Comparative Example 1 was supplied to a hot press machine, and the thickness was 0.8 mm under the conditions of a pressing temperature of 220 ° C., a pressing pressure of 200 kgfZcm 2 , and a cooling temperature of 3 minutes.
- a press piece (test piece) was molded, and the tensile modulus and elongation of the test piece were measured according to JIS K7113. The tensile modulus and elongation were measured for each product (graft) before and after purification (before and after removal of unreacted cyclic ester).
- cellulose acetate manufactured by Daicel Chemical Industries, Ltd., L 20, average degree of substitution 2.41, molecular weight per glucose unit 263.2, specific gravity 1. 33
- DIPK diisopropylketone
- the water content of the dissolved reaction solution was measured with a Karl Fischer moisture meter and found to be 0.02% by weight.
- 0.25 part of monobutyltin trioctylate was added and heated while stirring at 140 ° C. for 2 hours. Thereafter, the reaction solution was cooled to room temperature to complete the reaction, thereby obtaining a reaction product.
- the resulting reaction product had a force prolatatone conversion rate of 99.5% (the conversion rate power of 1 mol unit of glucose, the average number of moles of force prolatatone reacted, including those homopolymerized (MS ' ) Was 2.30 mol), and after drying under reduced pressure at 60 ° C.
- the acid value of the reaction product was 1.05 mg KOHZg.
- the tensile modulus of the test piece molded from the obtained product was 178.7 MPa, and the elongation was Was 159.5%. From the GPC chart, a unimodal peak derived from the graft was obtained. Further, after dissolving 10 parts of the reaction product in 90 parts of black mouth form, it was slowly dropped into 900 parts of a large excess of methanol, and the precipitated graft product was separated by filtration to remove unreacted force prolatatone present in a small amount. The homopolymer was removed. Furthermore, it was heated and dried at 60 ° C.
- Cellulose acetate (produced by Daicel Chemical Industries, L 20, average substitution degree 2.41, molecular weight per glucose unit 263.2, specific gravity 1 33, average polymerization degree 140) 50 parts was added and dried under reduced pressure at 110 ° C for 4 hours at 4 Torr. After purging with dry nitrogen, a reflux condenser was attached, and 50 parts of ⁇ -force prolatatone and 67 parts of diisopropyl ketone (DIPK) that had been dried and distilled in advance were collected and heated to 140 ° C and stirred. Cellulose acetate was dissolved uniformly. Here, the water of the reaction solution dissolved by adding water was adjusted to 0.1% by weight.
- DIPK diisopropyl ketone
- reaction solution 0.25 part of monobutyltin trioctylate was added and heated at 140 ° C. with stirring for 2 hours. Thereafter, the reaction solution was cooled to room temperature to complete the reaction, whereby a reaction product was obtained.
- the force prolacton conversion rate of the obtained reaction product was 99.1% (the conversion rate power glucose unit per mole of glucose, and the average number of moles (MS,) of force prolatatone reacted including those homopolymerized was 2. After drying under reduced pressure at 60 ° C. and removal of the solvent, the acid value of the reaction product was 1.44 mg KOHZg.
- Cellulose acetate (produced by Daicel Chemical Industries, L 20, average substitution degree 2.41, molecular weight per glucose unit 263.2, specific gravity 1 33, average polymerization degree 140) 50 parts was added and dried under reduced pressure at 110 ° C for 4 hours at 4 Torr. After purging with dry nitrogen, a reflux condenser was attached, and 50 parts of ⁇ -force prolatatone and 67 parts of jetyl ketone (DEK) that had been dried and distilled in advance were collected and heated to 125 ° C and stirred to acetic acid. Cellulose was uniformly dissolved. The water content of the dissolved reaction solution was measured with a Karl Fischer moisture meter and found to be 0.02% by weight.
- DEK jetyl ketone
- reaction liquid 0.25 part of monobutyl sulphate octylate was added and heated at 125 ° C. with stirring for 3 hours. Thereafter, the reaction solution was cooled to room temperature to complete the reaction to obtain a reaction product.
- the reaction force of the obtained reaction product Prolataton conversion rate is 79.2% (the conversion rate power is also 1 mol of glucose unit, the average number of moles (MS,) of reaction force prolatatone including homopolymerization is 1
- the acid value of the reaction product after drying under reduced pressure at 60 ° C and removing the solvent was 1.46 mg KOHZg.
- Cellulose acetate (produced by Daicel Chemical Industries, L 20, average substitution degree 2.41, molecular weight per glucose unit 263.2, specific gravity 1 33, average polymerization degree 140) 50 parts was added and dried under reduced pressure at 110 ° C for 4 hours at 4 Torr. After purging with dry nitrogen, a reflux condenser was attached, and 50 parts of ⁇ -force prolatatone and 67 parts of methyl isobutyl ketone ( ⁇ ) dried and distilled in advance were collected and heated to 135 ° C and stirred. Cellulose acetate was dissolved uniformly. The water content of the dissolved reaction solution was measured with a Karl Fischer moisture meter and found to be 0.02% by weight.
- reaction solution 0.25 part of nobutyltin trioctylate was added, and the mixture was heated with stirring at 135 ° C for 3 hours. Thereafter, the reaction solution was cooled to room temperature to terminate the reaction and obtain a reaction product.
- the reaction product obtained had a power prolatatone conversion of 98.8% (the conversion rate power, including those homopolymerized with respect to 1 mol of glucose unit), the average number of moles (MS,) of the reacted force prolatatone was 2. After drying under reduced pressure at 60 ° C. and removing the solvent, the acid value of the reaction product was 1.27 mg KOHZg.
- Cellulose acetate (produced by Daicel Chemical Industries, L 20, average substitution degree 2.41, molecular weight per glucose unit 263.2, specific gravity 1 33, average polymerization degree 140) 50 parts was added and dried under reduced pressure at 110 ° C for 4 hours at 4 Torr. After purging with dry nitrogen, a reflux condenser was attached, and 50 parts of ⁇ -force prolatatone and 67 parts of di- ⁇ -propyl ketone (DnPK) that had been dried and distilled in advance were added and heated to 155 ° C. The cellulose acetate was uniformly dissolved by stirring. The water content of the dissolved reaction solution was measured with a Karl Fischer moisture meter and found to be 0.02% by weight.
- DnPK di- ⁇ -propyl ketone
- reaction solution 0.25 part of monobutyltin trioctylate was added and heated at 155 ° C. with stirring for 2 hours. Thereafter, the reaction solution was cooled to room temperature to terminate the reaction and obtain a reaction product.
- the reaction product has a force prolatatone conversion rate of 99.4% (the conversion rate power of 1 mol of glucose unit and the average number of moles (MS,) of force prolatatone reacted, including those homopolymerized) 2.
- the acid value of the reaction product was 1.37 mg KOHZg.
- cellulose acetate (Daicel Chemical Industries, Ltd., LM-80, average substitution degree 2.10, molecular weight per glucose unit 250.2) In addition, it was dried under reduced pressure at 110 ° C for 4 hours at 4 Torr. Then purge with dry nitrogen, attach a reflux condenser, add 50 parts of prolatatatone ⁇ , which was dried and distilled in advance, and 67 parts of diisopropyl ketone (DIPK), and stir at 140 ° C. Cellulose acetate was uniformly dissolved. Was measured moisture of the dissolved reaction solution at Karl Fischer moisture meter, 0.02 weight 0 /. Met.
- DIPK diisopropyl ketone
- reaction solution 0.25 part of monobutyltin trioctylate was added and heated at 140 ° C. with stirring for 2 hours. Thereafter, the reaction solution was cooled to room temperature to complete the reaction, thereby obtaining a reaction product.
- the conversion rate of the force prolatatone of the obtained reaction product was 99.1% (the conversion rate power was 1 mol of glucose unit, and the average number of moles (MS ') of the reacted force prolatatone, including those homopolymerized, was 2
- the acid value of the reaction product after drying under reduced pressure at 60 ° C. and removal of the solvent was 1.03 mg KOHZg. From the GPC chart, a unimodal peak derived from the graft was obtained.
- cellulose acetate (Daicel Chemical Industries, Ltd., NAC, average substitution degree 2.74, molecular weight per glucose unit 277.1) was added. The film was dried under reduced pressure at 110 ° C. for 4 hours at 4 Torr. After purging with dry nitrogen, attaching a reflux condenser, adding 50 parts of ⁇ -strength prolatatone and 67 parts of diisopropyl ketone (DIPK) that had been dried and distilled in advance, heated to 140 ° C with stirring and acetic acid. Cellulose It was dissolved in one.
- DIPK diisopropyl ketone
- cellulose acetate manufactured by Daicel Chemical Industries, Ltd., L 20, average substitution degree 2.41, molecular weight per glucose unit 263.2
- 50 parts 50 parts
- 50 parts of L-lactide manufactured by Musashino Chemical Research Laboratory Co., Ltd.
- DIPK diisopropyl ketone
- the water content of the dissolved reaction solution was measured with a Karl Fischer moisture meter and found to be 0.04% by weight.
- 0.25 part of monobutyltin trioctylate was added and heated at 140 ° C. with stirring for 3 hours. Thereafter, the reaction solution was cooled to room temperature to complete the reaction, thereby obtaining a reaction product.
- the L-lactide conversion rate of the obtained reaction product was 84.1% (the conversion rate power of 1 mol of glucose unit and the average mol number of L-lactide reacted including those homopolymerized (MS ,) Was 1.54 mol), and after drying under reduced pressure at 60 ° C, the acid value of the reaction product after removing the solvent was 5.90 mgKOH / g.
- a unimodal peak derived from the graft was obtained from the GPC chart. Furthermore, after dissolving 10 parts of the reaction product in 90 parts of chloroform, slowly dropping it into 900 parts of a large excess of methanol, and filtering the precipitated graft product, a small amount of force prolatatone is present. The coalescence was removed. Furthermore, it was heated and dried at 60 ° C for 5 hours or more. — The primary structure of the graft obtained by NMR was evaluated. As a result, the amount (MS) of turnip ratataton grafted to one glucose ring was 0.88.
- reaction solution 0.25 part of monobutyltin trioctylate was added and heated at 140 ° C. with stirring for 2 hours. Thereafter, the reaction solution was cooled to room temperature to terminate the reaction and obtain a reaction product.
- the reaction product obtained had a force prolatatone conversion of 86.4% (the conversion rate power of 1 mol of glucose unit, the average number of moles (MS,) of force prolatatone reacted including homopolymerized one)
- the acid value of the reaction product after drying under reduced pressure at 60 ° C. and removal of the solvent was 1.76 mg KOHZg.
- a unimodal peak derived from the graft was obtained from the GPC chart.
- Cellulose acetate (produced by Daicel Chemical Industries, L 20, average substitution degree 2.41, molecular weight per glucose unit 263.2, specific gravity 1 33, average polymerization degree 140) 50 parts was added and dried under reduced pressure at 110 ° C for 4 hours at 4 Torr. After purging with dry nitrogen, a reflux condenser was attached, and 50 parts of ⁇ -force prolatatone and 67 parts of cyclohexanone (ANON) that had been dried and distilled in advance were collected and heated to 160 ° C and stirred. Cellulose acetate was dissolved uniformly. The water content of the dissolved reaction solution was measured with a Karl Fischer moisture meter and found to be 0.02% by weight.
- reaction solution 0.25 part of monobutyltin trioctylate was added and heated at 160 ° C. with stirring for 2 hours. Thereafter, the reaction solution was cooled to room temperature to complete the reaction to obtain a reaction product.
- the reaction force of the obtained reaction product Prolataton conversion rate is 98.4% (The conversion rate power is also the average number of moles (MS,) of the reaction force prolatatone including those homopolymerized for 1 mol glucose unit. After drying under reduced pressure at 60 ° C and removing the solvent, the acid value of the reaction product is 6. lOmgK It was OHZg.
- the tensile modulus of the test piece formed from the obtained product was 175.2 MPa, and the elongation was 150.5%. From the GPC chart, a shoulder peak derived from the oligomer was observed at the bottom of the main peak derived from the graft. Furthermore, after dissolving 10 parts of the reactant in 90 parts of black mouth form, slowly dropping into 900 parts of a large excess of methanol, and separating the precipitated graft product by filtration, a homopolymer of force prolatatone was obtained. Removed. Furthermore, it was heated and dried at 60 ° C for 5 hours or longer, and the primary structure of the graft obtained by NMR was evaluated.
- the average number of moles (MS) of force prolataton grafted to 1 mol of glucose unit was 1.94 mol.
- the tensile modulus of the test piece molded from the obtained product was 281.3 MPa, the elongation was 125.8%, and a large amount of homopolymer was removed.
- mechanical properties changed greatly before and after purification (before and after reprecipitation).
- Cellulose acetate (produced by Daicel Chemical Industries, L 20, average substitution degree 2.41, molecular weight per glucose unit 263.2, specific gravity 1 33, average polymerization degree 140) 50 parts was added and dried under reduced pressure at 110 ° C for 4 hours at 4 Torr. After purging with dry nitrogen, a reflux condenser was attached, and 50 parts of ⁇ -force prolatatone and 67 parts of dimethyl sulfoxide (DMSO) that had been dried and distilled in advance were added, heated to 160 ° C, stirred, and cellulose acetate Was dissolved uniformly. The water content of the dissolved reaction solution was measured with a Karl Fischer moisture meter and found to be 0.02% by weight.
- DMSO dimethyl sulfoxide
- reaction liquid 0.25 part of monobutyltin trioctylate was added and heated at 160 ° C. with stirring for 2 hours. Thereafter, the reaction solution was cooled to room temperature to terminate the reaction and obtain a reaction product.
- the reaction product obtained had a force prolatatone conversion rate of 41.6% (the conversion rate power of 1 mol of glucose unit and the average number of moles (MS,) of force prolatatone reacted, including those homopolymerized)
- the acid value of the reaction product after drying under reduced pressure at 60 ° C. and removal of the solvent was 3.72 mg KOHZg.
- Cellulose acetate (produced by Daicel Chemical Industries, L 20, average substitution degree 2.41, molecular weight per glucose unit 263.2, specific gravity 1 33, average polymerization degree 140) 50 parts was added and dried under reduced pressure at 110 ° C for 4 hours at 4 Torr. After purging with dry nitrogen, a reflux condenser was attached and 50 parts of ⁇ -force prolatatone and 67 parts of cyclopentanone (CYP) that had been dried and distilled in advance were collected and heated to 140 ° C and stirred. The cellulose acetate was uniformly dissolved. The water content of the dissolved reaction solution was measured with a Karl Fischer moisture meter and found to be 0.02% by weight.
- CYP cyclopentanone
- reaction liquid 0.25 part of monobutyl sulphate octylate was added and heated at 140 ° C. with stirring for 2 hours. Thereafter, the reaction solution was cooled to room temperature to complete the reaction to obtain a reaction product.
- the reaction force of the obtained reaction product Prolataton conversion rate is 98.5% (The conversion rate power is also the average number of moles (MS,) of the reaction force prolatatone including those homopolymerized for 1 mol of glucose unit.)
- the acid value of the reaction product after drying under reduced pressure at 60 ° C. and removal of the solvent was 5.23 mgK OHZg.
- Cellulose acetate (produced by Daicel Chemical Industries, L 20, average substitution degree 2.41, molecular weight per glucose unit 263.2, specific gravity 1 33, average polymerization degree 140) 50 parts was added and dried under reduced pressure at 100 ° C for 4 hours at 4 Torr. After purging with dry nitrogen, a reflux condenser was attached, and 50 parts of ⁇ -force prolatatone and 67 parts of methyl ethyl ketone ( ⁇ ) that had been dried and distilled in advance were collected and heated to 100 ° C. The cellulose acetate was uniformly dissolved by stirring. The water content of the dissolved reaction solution was measured with a Karl Fischer moisture meter and found to be 0.02% by weight.
- reaction solution 0.25 part of monobutyltin trioctylate was added and heated at 100 ° C. with stirring for 3 hours. Thereafter, the reaction solution was cooled to room temperature to terminate the reaction and obtain a reaction product.
- the conversion rate of the force prolatatone of the obtained reaction product was 28.1% (the conversion rate power was also the average number of moles (MS,) of the force prolatatone reacted including homopolymerization with respect to 1 mol of glucose unit).
- the acid value of the reaction product after drying under reduced pressure at 60 ° C. and removal of the solvent was 3.58 mg KOHZg.
- cellulose acetate manufactured by Daicel Chemical Industries, Ltd., L 20, average substitution degree 2.41, molecular weight per glucose unit 263.2
- 50 parts 50 parts
- 50 parts of L-lactide manufactured by Musashino Chemical Research Laboratory Co., Ltd.
- a reflux condenser was attached, 67 parts of cyclohexanone (ANON) that had been dried and distilled in advance was added, and the mixture was heated to 140 ° C and stirred to uniformly dissolve the cellulose acetate.
- cellulose acetate manufactured by Daicel Chemical Industries, Ltd., L 20, average degree of substitution 2.41, molecular weight per glucose unit 263.2, specific gravity 1. 33 , Average degree of polymerization 140
- Add 50 parts then purge with dry nitrogen without pre-drying, attach reflux condenser, dry and distilled in advance ⁇ -strength prolataton 50 parts, diisopropyl ketone (DIPK ) 67 parts were collected and heated to 140 ° C and stirred to dissolve cellulose acetate uniformly.
- the water content of the dissolved reaction solution was measured with a Karl Fischer moisture meter and found to be 1.1% by weight.
- reaction product obtained had a power prolacton conversion rate of 98.5% (the conversion rate power of 1 mol of glucose unit, the average number of moles (MS,) of force prolatatone reacted including homopolymerized one) 2. After drying under reduced pressure at 60 ° C. and removal of the solvent, the acid value of the reaction product was 11.3 mg KOHZg.
- Tables 1 and 2 show the obtained results.
- CA represents cellulose acetate
- CL « £ —prolacton
- “ 1 ⁇ ⁇ ” represents 1-lactide.
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Abstract
Description
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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EP07713651A EP1983006A1 (en) | 2006-01-27 | 2007-01-19 | Method for producing cyclic ester-modified glucan derivative |
JP2007555910A JPWO2007086318A1 (ja) | 2006-01-27 | 2007-01-19 | 環状エステル変性グルカン誘導体の製造方法 |
US12/223,188 US20100228019A1 (en) | 2006-01-27 | 2007-01-19 | Production Process of Glucan Derivative Modified with Cyclic Ester |
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JP2006-019641 | 2006-01-27 | ||
JP2006019641 | 2006-01-27 |
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US (1) | US20100228019A1 (ja) |
EP (1) | EP1983006A1 (ja) |
JP (1) | JPWO2007086318A1 (ja) |
KR (1) | KR20080095261A (ja) |
CN (1) | CN101410417A (ja) |
TW (1) | TW200806692A (ja) |
WO (1) | WO2007086318A1 (ja) |
Cited By (2)
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WO2012017772A1 (ja) * | 2010-08-06 | 2012-02-09 | 日本電気株式会社 | セルロース系樹脂 |
JP2018520020A (ja) * | 2015-06-09 | 2018-07-26 | ダウ グローバル テクノロジーズ エルエルシー | 3d印刷用支持材料 |
Families Citing this family (5)
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US9605086B2 (en) * | 2015-03-26 | 2017-03-28 | Fuji Xerox Co., Ltd. | Resin composition and resin molded article |
JP6202029B2 (ja) * | 2015-03-26 | 2017-09-27 | 富士ゼロックス株式会社 | 樹脂組成物及び樹脂成形体 |
JP2020515724A (ja) | 2016-11-22 | 2020-05-28 | デュポン・インダストリアル・バイオサイエンシーズ・ユーエスエイ・エルエルシー | ポリアクリロニトリル繊維を製造する方法 |
EP3545005A1 (en) * | 2016-11-22 | 2019-10-02 | E. I. du Pont de Nemours and Company | In situ functionalization of polysaccharides and compositions thereof |
WO2019164669A1 (en) * | 2018-02-26 | 2019-08-29 | E. I. Du Pont De Nemours And Company | Blends of polyesters and polysaccharides |
Citations (2)
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JPH06287279A (ja) * | 1993-03-31 | 1994-10-11 | Dainippon Ink & Chem Inc | ラクタイド系グラフト共重合体の製造方法 |
JP2001181302A (ja) * | 1999-12-24 | 2001-07-03 | Daicel Chem Ind Ltd | 環状エステル変性セルロース誘導体の製造方法 |
-
2007
- 2007-01-19 US US12/223,188 patent/US20100228019A1/en not_active Abandoned
- 2007-01-19 JP JP2007555910A patent/JPWO2007086318A1/ja active Pending
- 2007-01-19 EP EP07713651A patent/EP1983006A1/en not_active Withdrawn
- 2007-01-19 KR KR1020087020880A patent/KR20080095261A/ko not_active Withdrawn
- 2007-01-19 CN CNA2007800113347A patent/CN101410417A/zh active Pending
- 2007-01-19 WO PCT/JP2007/050764 patent/WO2007086318A1/ja active Application Filing
- 2007-01-26 TW TW096102934A patent/TW200806692A/zh unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06287279A (ja) * | 1993-03-31 | 1994-10-11 | Dainippon Ink & Chem Inc | ラクタイド系グラフト共重合体の製造方法 |
JP2001181302A (ja) * | 1999-12-24 | 2001-07-03 | Daicel Chem Ind Ltd | 環状エステル変性セルロース誘導体の製造方法 |
Non-Patent Citations (1)
Title |
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CHEN L. ET AL.: "A novel approach to grafting polymerization of epsilon-caprolactone onto starch granules", CARBOHYDRATE POLYMERS, vol. 60, no. 1, 2005, pages 103 - 109, XP004803997 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012017772A1 (ja) * | 2010-08-06 | 2012-02-09 | 日本電気株式会社 | セルロース系樹脂 |
JP5846120B2 (ja) * | 2010-08-06 | 2016-01-20 | 日本電気株式会社 | セルロース系樹脂 |
US9340625B2 (en) | 2010-08-06 | 2016-05-17 | Nec Corporation | Cellulose resin |
JP2018520020A (ja) * | 2015-06-09 | 2018-07-26 | ダウ グローバル テクノロジーズ エルエルシー | 3d印刷用支持材料 |
Also Published As
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CN101410417A (zh) | 2009-04-15 |
KR20080095261A (ko) | 2008-10-28 |
US20100228019A1 (en) | 2010-09-09 |
JPWO2007086318A1 (ja) | 2009-06-18 |
TW200806692A (en) | 2008-02-01 |
EP1983006A1 (en) | 2008-10-22 |
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