TW201041931A - Method for producing polyglycolic acid having lowered melt viscosity - Google Patents

Method for producing polyglycolic acid having lowered melt viscosity Download PDF

Info

Publication number: TW201041931A
Authority: TW; Taiwan
Prior art keywords: polyglycolic acid; melt viscosity; temperature; low; viscosity
Prior art date: 2009-03-17

Application number

TW99101365A

Other languages

English (en)

Chinese (zh)

Inventor

Naoki Hayashi

Satoru Hikichi

Kazuyuki Yamane

Original Assignee

Kureha Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2009-03-17

Filing date

2010-01-19

Publication date

2010-12-01

2010-01-19 Application filed by Kureha Corp filed Critical Kureha Corp

2010-12-01 Publication of TW201041931A publication Critical patent/TW201041931A/zh

Links

229920000954 Polyglycolide Polymers 0.000 title claims abstract description 255
239000004633 polyglycolic acid Substances 0.000 title claims abstract description 249
238000004519 manufacturing process Methods 0.000 title claims abstract description 43
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 172
239000007787 solid Substances 0.000 claims abstract description 56
238000001035 drying Methods 0.000 claims abstract description 51
238000007654 immersion Methods 0.000 claims abstract description 42
238000010438 heat treatment Methods 0.000 claims abstract description 21
238000010521 absorption reaction Methods 0.000 claims abstract description 10
238000002844 melting Methods 0.000 claims description 81
239000000155 melt Substances 0.000 claims description 60
239000002245 particle Substances 0.000 claims description 42
230000008018 melting Effects 0.000 claims description 36
238000000034 method Methods 0.000 claims description 27
239000013585 weight reducing agent Substances 0.000 claims description 23
238000003756 stirring Methods 0.000 claims description 22
-1 polyethylene Polymers 0.000 claims description 14
239000008187 granular material Substances 0.000 claims description 13
239000000126 substance Substances 0.000 claims description 10
238000005520 cutting process Methods 0.000 claims description 6
239000011261 inert gas Substances 0.000 claims description 5
238000002156 mixing Methods 0.000 claims description 5
239000004698 Polyethylene Substances 0.000 claims description 3
229920000180 alkyd Polymers 0.000 claims description 3
229920000573 polyethylene Polymers 0.000 claims description 3
229920000151 polyglycol Polymers 0.000 claims 1
239000010695 polyglycol Substances 0.000 claims 1
239000011973 solid acid Substances 0.000 claims 1
238000007747 plating Methods 0.000 description 33
229920005989 resin Polymers 0.000 description 27
239000011347 resin Substances 0.000 description 27
229920003002 synthetic resin Polymers 0.000 description 27
239000000057 synthetic resin Substances 0.000 description 27
229920000642 polymer Polymers 0.000 description 24
AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 22
238000001746 injection moulding Methods 0.000 description 21
230000000052 comparative effect Effects 0.000 description 19
239000007789 gas Substances 0.000 description 19
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 18
239000011247 coating layer Substances 0.000 description 16
238000000465 moulding Methods 0.000 description 16
239000008188 pellet Substances 0.000 description 14
238000006116 polymerization reaction Methods 0.000 description 14
239000002994 raw material Substances 0.000 description 13
239000010410 layer Substances 0.000 description 12
238000005259 measurement Methods 0.000 description 12
230000015572 biosynthetic process Effects 0.000 description 10
238000007772 electroless plating Methods 0.000 description 10
238000006460 hydrolysis reaction Methods 0.000 description 9
239000000463 material Substances 0.000 description 9
238000007151 ring opening polymerisation reaction Methods 0.000 description 9
239000000243 solution Substances 0.000 description 9
238000003786 synthesis reaction Methods 0.000 description 9
125000004122 cyclic group Chemical group 0.000 description 8
239000006185 dispersion Substances 0.000 description 8
239000000203 mixture Substances 0.000 description 8
229910052757 nitrogen Inorganic materials 0.000 description 8
239000003017 thermal stabilizer Substances 0.000 description 8
239000002253 acid Substances 0.000 description 7
238000002347 injection Methods 0.000 description 7
239000007924 injection Substances 0.000 description 7
239000000178 monomer Substances 0.000 description 7
238000010128 melt processing Methods 0.000 description 6
239000004645 polyester resin Substances 0.000 description 6
230000009467 reduction Effects 0.000 description 6
RKDVKSZUMVYZHH-UHFFFAOYSA-N 1,4-dioxane-2,5-dione Chemical compound O=C1COC(=O)CO1 RKDVKSZUMVYZHH-UHFFFAOYSA-N 0.000 description 5
229920003232 aliphatic polyester Polymers 0.000 description 5
239000004020 conductor Substances 0.000 description 5
230000000694 effects Effects 0.000 description 5
238000002309 gasification Methods 0.000 description 5
230000007062 hydrolysis Effects 0.000 description 5
239000007864 aqueous solution Substances 0.000 description 4
230000004888 barrier function Effects 0.000 description 4
150000001875 compounds Chemical class 0.000 description 4
230000007423 decrease Effects 0.000 description 4
238000009713 electroplating Methods 0.000 description 4
238000001125 extrusion Methods 0.000 description 4
238000001914 filtration Methods 0.000 description 4
238000005227 gel permeation chromatography Methods 0.000 description 4
239000012760 heat stabilizer Substances 0.000 description 4
JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
CRSOQBOWXPBRES-UHFFFAOYSA-N neopentane Chemical compound CC(C)(C)C CRSOQBOWXPBRES-UHFFFAOYSA-N 0.000 description 4
238000006068 polycondensation reaction Methods 0.000 description 4
238000012545 processing Methods 0.000 description 4
239000000758 substrate Substances 0.000 description 4
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
239000000654 additive Substances 0.000 description 3
238000013019 agitation Methods 0.000 description 3
239000012670 alkaline solution Substances 0.000 description 3
125000005907 alkyl ester group Chemical group 0.000 description 3
239000003054 catalyst Substances 0.000 description 3
239000011248 coating agent Substances 0.000 description 3
238000000576 coating method Methods 0.000 description 3
239000002131 composite material Substances 0.000 description 3
JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 description 3
238000000691 measurement method Methods 0.000 description 3
229910052751 metal Inorganic materials 0.000 description 3
239000002184 metal Substances 0.000 description 3
HSJKGGMUJITCBW-UHFFFAOYSA-N 3-hydroxybutanal Chemical compound CC(O)CC=O HSJKGGMUJITCBW-UHFFFAOYSA-N 0.000 description 2
ALRHLSYJTWAHJZ-UHFFFAOYSA-N 3-hydroxypropionic acid Chemical compound OCCC(O)=O ALRHLSYJTWAHJZ-UHFFFAOYSA-N 0.000 description 2
YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
OZJPLYNZGCXSJM-UHFFFAOYSA-N 5-valerolactone Chemical compound O=C1CCCCO1 OZJPLYNZGCXSJM-UHFFFAOYSA-N 0.000 description 2
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
229920000106 Liquid crystal polymer Polymers 0.000 description 2
239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 2
229910019142 PO4 Inorganic materials 0.000 description 2
WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
239000003795 chemical substances by application Substances 0.000 description 2
238000009833 condensation Methods 0.000 description 2
230000005494 condensation Effects 0.000 description 2
238000001816 cooling Methods 0.000 description 2
229920001577 copolymer Polymers 0.000 description 2
238000007334 copolymerization reaction Methods 0.000 description 2
238000011161 development Methods 0.000 description 2
229910001385 heavy metal Inorganic materials 0.000 description 2
125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
238000005470 impregnation Methods 0.000 description 2
238000007689 inspection Methods 0.000 description 2
238000011835 investigation Methods 0.000 description 2
239000004310 lactic acid Substances 0.000 description 2
235000014655 lactic acid Nutrition 0.000 description 2
230000000873 masking effect Effects 0.000 description 2
239000012299 nitrogen atmosphere Substances 0.000 description 2
NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 2
WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical group OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 2
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
239000010452 phosphate Substances 0.000 description 2
OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 2
230000000704 physical effect Effects 0.000 description 2
229920003023 plastic Polymers 0.000 description 2
239000004033 plastic Substances 0.000 description 2
229920000747 poly(lactic acid) Polymers 0.000 description 2
239000004626 polylactic acid Substances 0.000 description 2
229920005672 polyolefin resin Polymers 0.000 description 2
239000005871 repellent Substances 0.000 description 2
230000002940 repellent Effects 0.000 description 2
230000006641 stabilisation Effects 0.000 description 2
238000011105 stabilization Methods 0.000 description 2
KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
230000002194 synthesizing effect Effects 0.000 description 2
238000005979 thermal decomposition reaction Methods 0.000 description 2
PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 2
PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 description 1
KZEVSDGEBAJOTK-UHFFFAOYSA-N 1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-2-[5-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]ethanone Chemical compound N1N=NC=2CN(CCC=21)C(CC=1OC(=NN=1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)=O KZEVSDGEBAJOTK-UHFFFAOYSA-N 0.000 description 1
VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
AETVBWZVKDOWHH-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-(1-ethylazetidin-3-yl)oxypyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)OC1CN(C1)CC AETVBWZVKDOWHH-UHFFFAOYSA-N 0.000 description 1
MZZYGYNZAOVRTG-UHFFFAOYSA-N 2-hydroxy-n-(1h-1,2,4-triazol-5-yl)benzamide Chemical compound OC1=CC=CC=C1C(=O)NC1=NC=NN1 MZZYGYNZAOVRTG-UHFFFAOYSA-N 0.000 description 1
FHUDZSGRYLAEKR-UHFFFAOYSA-N 3-hydroxybutanoic acid;4-hydroxybutanoic acid Chemical compound CC(O)CC(O)=O.OCCCC(O)=O FHUDZSGRYLAEKR-UHFFFAOYSA-N 0.000 description 1
LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
YHTLGFCVBKENTE-UHFFFAOYSA-N 4-methyloxan-2-one Chemical compound CC1CCOC(=O)C1 YHTLGFCVBKENTE-UHFFFAOYSA-N 0.000 description 1
UCZQXJKDCHCTAI-UHFFFAOYSA-N 4h-1,3-dioxine Chemical compound C1OCC=CO1 UCZQXJKDCHCTAI-UHFFFAOYSA-N 0.000 description 1
IWHLYPDWHHPVAA-UHFFFAOYSA-N 6-hydroxyhexanoic acid Chemical compound OCCCCCC(O)=O IWHLYPDWHHPVAA-UHFFFAOYSA-N 0.000 description 1
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
101150000419 GPC gene Proteins 0.000 description 1
OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
229920002845 Poly(methacrylic acid) Polymers 0.000 description 1
239000002202 Polyethylene glycol Substances 0.000 description 1
229920000265 Polyparaphenylene Polymers 0.000 description 1
239000004734 Polyphenylene sulfide Substances 0.000 description 1
239000004372 Polyvinyl alcohol Substances 0.000 description 1
206010036790 Productive cough Diseases 0.000 description 1
ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
239000001361 adipic acid Substances 0.000 description 1
235000011037 adipic acid Nutrition 0.000 description 1
150000001335 aliphatic alkanes Chemical class 0.000 description 1
125000001931 aliphatic group Chemical group 0.000 description 1
239000003513 alkali Substances 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
150000001412 amines Chemical class 0.000 description 1
239000003708 ampul Substances 0.000 description 1
125000003118 aryl group Chemical group 0.000 description 1
239000012298 atmosphere Substances 0.000 description 1
GSCLMSFRWBPUSK-UHFFFAOYSA-N beta-Butyrolactone Chemical compound CC1CC(=O)O1 GSCLMSFRWBPUSK-UHFFFAOYSA-N 0.000 description 1
VEZXCJBBBCKRPI-UHFFFAOYSA-N beta-propiolactone Chemical compound O=C1CCO1 VEZXCJBBBCKRPI-UHFFFAOYSA-N 0.000 description 1
230000033228 biological regulation Effects 0.000 description 1
230000000903 blocking effect Effects 0.000 description 1
238000009835 boiling Methods 0.000 description 1
238000012662 bulk polymerization Methods 0.000 description 1
229910000019 calcium carbonate Inorganic materials 0.000 description 1
125000005587 carbonate group Chemical group 0.000 description 1
150000005323 carbonate salts Chemical class 0.000 description 1
125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
239000011951 cationic catalyst Substances 0.000 description 1
238000011109 contamination Methods 0.000 description 1
239000007822 coupling agent Substances 0.000 description 1
238000002425 crystallisation Methods 0.000 description 1
230000008025 crystallization Effects 0.000 description 1
230000018044 dehydration Effects 0.000 description 1
238000006297 dehydration reaction Methods 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
238000004512 die casting Methods 0.000 description 1
239000000428 dust Substances 0.000 description 1
239000000975 dye Substances 0.000 description 1
230000005611 electricity Effects 0.000 description 1
229920006351 engineering plastic Polymers 0.000 description 1
OUNMTQFEKAIZIF-UHFFFAOYSA-N ethane-1,2-diol;oxalic acid Chemical compound OCCO.OC(=O)C(O)=O OUNMTQFEKAIZIF-UHFFFAOYSA-N 0.000 description 1
238000007765 extrusion coating Methods 0.000 description 1
238000010528 free radical solution polymerization reaction Methods 0.000 description 1
230000005484 gravity Effects 0.000 description 1
229920002674 hyaluronan Polymers 0.000 description 1
229960003160 hyaluronic acid Drugs 0.000 description 1
230000005764 inhibitory process Effects 0.000 description 1
230000000977 initiatory effect Effects 0.000 description 1
238000009413 insulation Methods 0.000 description 1
125000000468 ketone group Chemical group 0.000 description 1
150000002576 ketones Chemical class 0.000 description 1
238000004898 kneading Methods 0.000 description 1
150000002596 lactones Chemical class 0.000 description 1
239000004611 light stabiliser Substances 0.000 description 1
239000002923 metal particle Substances 0.000 description 1
239000006082 mold release agent Substances 0.000 description 1
LYHURFAWMAEBIW-UHFFFAOYSA-N octadecanoic acid;phosphoric acid Chemical compound OP(O)(O)=O.CCCCCCCCCCCCCCCCCC(O)=O.CCCCCCCCCCCCCCCCCC(O)=O LYHURFAWMAEBIW-UHFFFAOYSA-N 0.000 description 1
239000003960 organic solvent Substances 0.000 description 1
229910052698 phosphorus Inorganic materials 0.000 description 1
239000011574 phosphorus Substances 0.000 description 1
239000000049 pigment Substances 0.000 description 1
229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
229920006122 polyamide resin Polymers 0.000 description 1
229920001707 polybutylene terephthalate Polymers 0.000 description 1
229920001225 polyester resin Polymers 0.000 description 1
229920001223 polyethylene glycol Polymers 0.000 description 1
239000004926 polymethyl methacrylate Substances 0.000 description 1
229920000069 polyphenylene sulfide Polymers 0.000 description 1
229920002451 polyvinyl alcohol Polymers 0.000 description 1
238000004321 preservation Methods 0.000 description 1
230000002035 prolonged effect Effects 0.000 description 1
BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
229960000380 propiolactone Drugs 0.000 description 1
229910052707 ruthenium Inorganic materials 0.000 description 1
239000004065 semiconductor Substances 0.000 description 1
238000010008 shearing Methods 0.000 description 1
238000007873 sieving Methods 0.000 description 1
238000004513 sizing Methods 0.000 description 1
239000002893 slag Substances 0.000 description 1
239000012748 slip agent Substances 0.000 description 1
210000003802 sputum Anatomy 0.000 description 1
208000024794 sputum Diseases 0.000 description 1
239000001384 succinic acid Substances 0.000 description 1
BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
229920006230 thermoplastic polyester resin Polymers 0.000 description 1
229920005992 thermoplastic resin Polymers 0.000 description 1
239000004416 thermosoftening plastic Substances 0.000 description 1
238000004448 titration Methods 0.000 description 1
238000010792 warming Methods 0.000 description 1
239000003643 water by type Substances 0.000 description 1
239000002023 wood Substances 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
- C08G63/88—Post-polymerisation treatment
- 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

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Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Polyesters Or Polycarbonates (AREA)

TW99101365A 2009-03-17 2010-01-19 Method for producing polyglycolic acid having lowered melt viscosity TW201041931A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2009064106A JP5362400B2 (ja)	2009-03-17	2009-03-17	低溶融粘度化ポリグリコール酸の製造方法

Publications (1)

Publication Number	Publication Date
TW201041931A true TW201041931A (en)	2010-12-01

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ID=42739388

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
TW99101365A TW201041931A (en)	2009-03-17	2010-01-19	Method for producing polyglycolic acid having lowered melt viscosity

Country Status (3)

Country	Link
JP (1)	JP5362400B2 (ja)
TW (1)	TW201041931A (ja)
WO (1)	WO2010106722A1 (ja)

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Publication number	Priority date	Publication date	Assignee	Title
WO2012144511A1 (ja) *	2011-04-22	2012-10-26	株式会社クレハ	生分解性脂肪族ポリエステル粒子、及びその製造方法
CN112469760B (zh) *	2018-10-29	2023-11-03	上海浦景化工技术股份有限公司	生产聚乙醇酸产品的集成制备方法

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CH656884A5 (de) *	1983-08-26	1986-07-31	Sandoz Ag	Polyolester, deren herstellung und verwendung.
JP2004307534A (ja) *	2003-04-02	2004-11-04	Mitsui Chemicals Inc	ポリヒドロキシカルボン酸の精製法
JP4693346B2 (ja) *	2003-10-21	2011-06-01	旭化成ケミカルズ株式会社	脂肪族ポリヒドロキシカルボン酸粒状結晶化物の製造方法
EP1736498B1 (en) *	2004-03-18	2010-07-14	Kureha Corporation	Process for producing aliphatic polyester reduced in residual cyclic ester content
EP2267055A1 (en) *	2008-03-28	2010-12-29	JMS Co., Ltd.	Method for purifying polymer and process for producing polymer using the method

2009
- 2009-03-17 JP JP2009064106A patent/JP5362400B2/ja not_active Expired - Fee Related
2010
- 2010-01-07 WO PCT/JP2010/000062 patent/WO2010106722A1/ja not_active Ceased
- 2010-01-19 TW TW99101365A patent/TW201041931A/zh unknown

Also Published As

Publication number	Publication date
WO2010106722A1 (ja)	2010-09-23
JP2010215782A (ja)	2010-09-30
JP5362400B2 (ja)	2013-12-11

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