KR100308535B1 - 폴리에스테르수지조성물및그제조방법 - Google Patents
폴리에스테르수지조성물및그제조방법 Download PDFInfo
- Publication number
- KR100308535B1 KR100308535B1 KR1019980033835A KR19980033835A KR100308535B1 KR 100308535 B1 KR100308535 B1 KR 100308535B1 KR 1019980033835 A KR1019980033835 A KR 1019980033835A KR 19980033835 A KR19980033835 A KR 19980033835A KR 100308535 B1 KR100308535 B1 KR 100308535B1
- Authority
- KR
- South Korea
- Prior art keywords
- reaction
- aliphatic
- molecular weight
- weight
- polyester
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004645 polyester resin Substances 0.000 title claims abstract description 33
- 229920001225 polyester resin Polymers 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000000203 mixture Substances 0.000 title claims abstract description 17
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000006243 chemical reaction Methods 0.000 claims abstract description 39
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000005886 esterification reaction Methods 0.000 claims abstract description 21
- 239000000178 monomer Substances 0.000 claims abstract description 19
- 239000001361 adipic acid Substances 0.000 claims abstract description 18
- 235000011037 adipic acid Nutrition 0.000 claims abstract description 18
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 16
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000002844 melting Methods 0.000 claims abstract description 16
- 230000008018 melting Effects 0.000 claims abstract description 16
- 229920000728 polyester Polymers 0.000 claims abstract description 16
- 238000006068 polycondensation reaction Methods 0.000 claims abstract description 11
- 238000005809 transesterification reaction Methods 0.000 claims abstract description 11
- 125000003277 amino group Chemical group 0.000 claims abstract description 9
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 7
- 150000008064 anhydrides Chemical class 0.000 claims abstract description 6
- 238000006482 condensation reaction Methods 0.000 claims abstract description 6
- 125000000524 functional group Chemical group 0.000 claims abstract description 6
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 32
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 13
- 239000007795 chemical reaction product Substances 0.000 claims description 12
- HYNQTSZBTIOFKH-UHFFFAOYSA-N 2-Amino-5-hydroxybenzoic acid Chemical compound NC1=CC=C(O)C=C1C(O)=O HYNQTSZBTIOFKH-UHFFFAOYSA-N 0.000 claims description 6
- WUBBRNOQWQTFEX-UHFFFAOYSA-N 4-aminosalicylic acid Chemical compound NC1=CC=C(C(O)=O)C(O)=C1 WUBBRNOQWQTFEX-UHFFFAOYSA-N 0.000 claims description 3
- BWKDAAFSXYPQOS-UHFFFAOYSA-N Benzaldehyde glyceryl acetal Chemical compound O1CC(O)COC1C1=CC=CC=C1 BWKDAAFSXYPQOS-UHFFFAOYSA-N 0.000 claims description 3
- 229960004909 aminosalicylic acid Drugs 0.000 claims description 3
- ACWBBAGYTKWBCD-ZETCQYMHSA-N 3-chloro-L-tyrosine Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C(Cl)=C1 ACWBBAGYTKWBCD-ZETCQYMHSA-N 0.000 claims description 2
- NFPYJDZQOKCYIE-UHFFFAOYSA-N 4-amino-3-hydroxybenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1O NFPYJDZQOKCYIE-UHFFFAOYSA-N 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- QNAYBMKLOCPYGJ-REOHCLBHSA-N L-alanine Chemical compound C[C@H](N)C(O)=O QNAYBMKLOCPYGJ-REOHCLBHSA-N 0.000 claims 1
- 235000004279 alanine Nutrition 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 26
- 229920003232 aliphatic polyester Polymers 0.000 abstract description 19
- 239000000155 melt Substances 0.000 abstract description 9
- 238000000465 moulding Methods 0.000 abstract description 5
- 239000010813 municipal solid waste Substances 0.000 abstract description 4
- 239000011342 resin composition Substances 0.000 abstract description 3
- 229920006158 high molecular weight polymer Polymers 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 abstract description 2
- 150000002148 esters Chemical class 0.000 abstract 1
- 238000010102 injection blow moulding Methods 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 48
- 229910052757 nitrogen Inorganic materials 0.000 description 26
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- 239000003054 catalyst Substances 0.000 description 16
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 15
- 239000003381 stabilizer Substances 0.000 description 15
- 239000000306 component Substances 0.000 description 9
- JGFBRKRYDCGYKD-UHFFFAOYSA-N dibutyl(oxo)tin Chemical compound CCCC[Sn](=O)CCCC JGFBRKRYDCGYKD-UHFFFAOYSA-N 0.000 description 9
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 9
- 230000032050 esterification Effects 0.000 description 8
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 7
- JVLRYPRBKSMEBF-UHFFFAOYSA-K diacetyloxystibanyl acetate Chemical compound [Sb+3].CC([O-])=O.CC([O-])=O.CC([O-])=O JVLRYPRBKSMEBF-UHFFFAOYSA-K 0.000 description 5
- 150000002334 glycols Chemical class 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 4
- 125000002947 alkylene group Chemical group 0.000 description 4
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 229920000229 biodegradable polyester Polymers 0.000 description 3
- 239000004622 biodegradable polyester Substances 0.000 description 3
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 3
- 239000007822 coupling agent Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 150000001991 dicarboxylic acids Chemical class 0.000 description 3
- 238000001879 gelation Methods 0.000 description 3
- 239000012948 isocyanate Substances 0.000 description 3
- 150000002513 isocyanates Chemical class 0.000 description 3
- PXDRFTPXHTVDFR-UHFFFAOYSA-N propane;titanium(4+) Chemical compound [Ti+4].C[CH-]C.C[CH-]C.C[CH-]C.C[CH-]C PXDRFTPXHTVDFR-UHFFFAOYSA-N 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 150000005846 sugar alcohols Polymers 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 150000008065 acid anhydrides Chemical class 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000012643 polycondensation polymerization Methods 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 239000001384 succinic acid Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- WTDRDQBEARUVNC-LURJTMIESA-N L-DOPA Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-LURJTMIESA-N 0.000 description 1
- WTDRDQBEARUVNC-UHFFFAOYSA-N L-Dopa Natural products OC(=O)C(N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- WYOFTXWVYIGTCT-UHFFFAOYSA-K [OH-].[Sb+3].OCC([O-])=O.OCC([O-])=O Chemical compound [OH-].[Sb+3].OCC([O-])=O.OCC([O-])=O WYOFTXWVYIGTCT-UHFFFAOYSA-K 0.000 description 1
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 description 1
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- VSGNNIFQASZAOI-UHFFFAOYSA-L calcium acetate Chemical compound [Ca+2].CC([O-])=O.CC([O-])=O VSGNNIFQASZAOI-UHFFFAOYSA-L 0.000 description 1
- 239000001639 calcium acetate Substances 0.000 description 1
- 235000011092 calcium acetate Nutrition 0.000 description 1
- 229960005147 calcium acetate Drugs 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 125000001142 dicarboxylic acid group Chemical group 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- 239000005022 packaging material Substances 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
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- HKJYVRJHDIPMQB-UHFFFAOYSA-N propan-1-olate;titanium(4+) Chemical compound CCCO[Ti](OCCC)(OCCC)OCCC HKJYVRJHDIPMQB-UHFFFAOYSA-N 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- 239000004246 zinc acetate 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
- C08G63/78—Preparation processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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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)
Abstract
Description
Claims (2)
- (1) 아디프산을 포함하는 지방족(환상 지방족을 포함) 디카르복실산(또는 그 무수물)과, (2)1,4-부탄디올과 에틸렌글리콜 중 선택된 어느 하나 이상을 포함하는 지방족(환상 지방족을 포함) 글리콜을 주성분으로 하고, 이론량의 폴리에스테르 중량대비 0.1 ~ 50중량%의 (3) 관능기로서 수산기, 아민기 및 카르복실기를 각각 하나 또는 둘 이상 포함하는 단량체 존재 하에서 축합반응, 에스테르화반응, 그리고 에스테르 교환반응 중 선택된 어느 하나 또는 둘 이상의 반응을 거친 후 중축합반응시켜서 얻어지는 수평균분자량이 30,000 ~ 70,000이고, 중량평균분자량이 160,000 ~ 600,000이며, 융점이 45~60℃이고, 용융점도(190℃, 2,160g)가 0.1~50이며, 상기 단량체로서 3-amino-4-hydroxybenzoic acid, 4-amino-3-hydroxybenzoic acid, 2-amino-5-hydroxybenzoic acid, aminosalicylic acid, 3-chloro-L-tyrosine, L-3-(3,4-dihydroxyphenyl)alanine 중 선택된 어느 하나 또는 둘 이상의 혼합물이 사용됨을 특징으로 하는 폴리에스테르 수지 화합물.
- (1) 아디프산을 포함하는 지방족(환상 지방족을 포함) 디카르복실산(또는 그 무수물)과, 이론량의 폴리에스테르 중량대비 0.1 ~ 50중량%의 (2) 관능기로서 수산기, 아민기 및 카르복실기를 각각 하나 또는 둘 이상 포함하는 단량체를 투입하여 160~240℃의 온도로 축합반응, 에스테르화반응, 그리고 에스테르 교환반응 중 선택된 어느 하나 또는 둘 이상의 반응을 실시하는 제1단계와, 상기 제1단계 반응생성물에 1,4-부탄디올과 에틸렌글리콜 중 선택된 어느 하나 이상을 포함하는 지방족(환상 지방족 포함) 글리콜을 투입하여 200~220℃의 온도로 에스테르화 반응 또는 에스테르 교환반응을 실시하는 제2단계와, 상기 제2단계 반응생성물인 폴리에스테르를 210~270의 온도 및 0.005~10torr의 진공도로 중축합(polycendensation)하여 고분자량화된 폴리에스테르를 생성하는 제3단계로 구성됨을 특징으로 하는 폴리에스테르 수지 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1019980033835A KR100308535B1 (ko) | 1998-08-20 | 1998-08-20 | 폴리에스테르수지조성물및그제조방법 |
Applications Claiming Priority (1)
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KR1019980033835A KR100308535B1 (ko) | 1998-08-20 | 1998-08-20 | 폴리에스테르수지조성물및그제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR19980082074A KR19980082074A (ko) | 1998-11-25 |
KR100308535B1 true KR100308535B1 (ko) | 2001-11-30 |
Family
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Family Applications (1)
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KR1019980033835A Expired - Lifetime KR100308535B1 (ko) | 1998-08-20 | 1998-08-20 | 폴리에스테르수지조성물및그제조방법 |
Country Status (1)
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KR (1) | KR100308535B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100498811B1 (ko) * | 2002-07-08 | 2005-07-01 | 주식회사 이래화학 | 생분해성 지방족 폴리에스테르 수지 조성물 및 그 제조방법 |
KR20040045505A (ko) * | 2002-11-23 | 2004-06-02 | 임호 | 약산성 액상 비누 및 그 제조방법 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05295071A (ja) * | 1992-04-15 | 1993-11-09 | Showa Highpolymer Co Ltd | 高分子量脂肪族ポリエステルの製造方法 |
KR950014171A (ko) * | 1993-11-03 | 1995-06-15 | 박흥기 | 지방족 공중합 폴리에스터 및 이의 제조방법 |
JPH07330881A (ja) * | 1994-06-03 | 1995-12-19 | Showa Highpolymer Co Ltd | 生分解性環状脂肪族ポリエステルの製造方法 |
KR970010814A (ko) * | 1995-08-18 | 1997-03-27 | 김준웅 | 인열강도가 우수한 열가소성 지방족 폴리에스테르 공중합체 수지 및 그 제조방법 |
KR19980082073A (ko) * | 1998-08-20 | 1998-11-25 | 김석태 | 폴리에스테르 수지 조성물 및 그 제조방법 |
KR19980082075A (ko) * | 1998-08-20 | 1998-11-25 | 김석태 | 폴리에스테르 수지 조성물 및 그 제조방법 |
KR19980082076A (ko) * | 1998-08-20 | 1998-11-25 | 김석태 | 폴리에스테르 수지 조성물 및 그 제조방법 |
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1998
- 1998-08-20 KR KR1019980033835A patent/KR100308535B1/ko not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05295071A (ja) * | 1992-04-15 | 1993-11-09 | Showa Highpolymer Co Ltd | 高分子量脂肪族ポリエステルの製造方法 |
KR950014171A (ko) * | 1993-11-03 | 1995-06-15 | 박흥기 | 지방족 공중합 폴리에스터 및 이의 제조방법 |
JPH07330881A (ja) * | 1994-06-03 | 1995-12-19 | Showa Highpolymer Co Ltd | 生分解性環状脂肪族ポリエステルの製造方法 |
KR970010814A (ko) * | 1995-08-18 | 1997-03-27 | 김준웅 | 인열강도가 우수한 열가소성 지방족 폴리에스테르 공중합체 수지 및 그 제조방법 |
KR19980082073A (ko) * | 1998-08-20 | 1998-11-25 | 김석태 | 폴리에스테르 수지 조성물 및 그 제조방법 |
KR19980082075A (ko) * | 1998-08-20 | 1998-11-25 | 김석태 | 폴리에스테르 수지 조성물 및 그 제조방법 |
KR19980082076A (ko) * | 1998-08-20 | 1998-11-25 | 김석태 | 폴리에스테르 수지 조성물 및 그 제조방법 |
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KR19980082074A (ko) | 1998-11-25 |
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