KR100378778B1 - 1,4-사이클로헥산디메탄올이 공중합된 폴리에스테르수지의 제조방법 - Google Patents
1,4-사이클로헥산디메탄올이 공중합된 폴리에스테르수지의 제조방법 Download PDFInfo
- Publication number
- KR100378778B1 KR100378778B1 KR10-2000-0057353A KR20000057353A KR100378778B1 KR 100378778 B1 KR100378778 B1 KR 100378778B1 KR 20000057353 A KR20000057353 A KR 20000057353A KR 100378778 B1 KR100378778 B1 KR 100378778B1
- Authority
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- South Korea
- Prior art keywords
- cyclohexanedimethanol
- group
- titanate
- polyester resin
- carbon atoms
- 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
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- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229920001225 polyester resin Polymers 0.000 title claims abstract description 20
- 239000004645 polyester resin Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 50
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000006068 polycondensation reaction Methods 0.000 claims abstract description 26
- 239000003381 stabilizer Substances 0.000 claims abstract description 25
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000005886 esterification reaction Methods 0.000 claims abstract description 20
- 239000003054 catalyst Substances 0.000 claims abstract description 17
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 16
- 150000001875 compounds Chemical class 0.000 claims abstract description 11
- 239000010936 titanium Substances 0.000 claims abstract description 11
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 11
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 7
- ZJAOAACCNHFJAH-UHFFFAOYSA-N phosphonoformic acid Chemical compound OC(=O)P(O)(O)=O ZJAOAACCNHFJAH-UHFFFAOYSA-N 0.000 claims abstract description 6
- 125000003118 aryl group Chemical group 0.000 claims abstract description 4
- 125000000732 arylene group Chemical group 0.000 claims abstract description 4
- 125000000753 cycloalkyl group Chemical group 0.000 claims abstract description 4
- 125000002993 cycloalkylene group Chemical group 0.000 claims abstract description 4
- 229920000642 polymer Polymers 0.000 claims description 18
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 16
- -1 carboxy phosphonic acid compound Chemical class 0.000 claims description 9
- 239000004408 titanium dioxide Substances 0.000 claims description 8
- GGUBFICZYGKNTD-UHFFFAOYSA-N triethyl phosphonoacetate Chemical compound CCOC(=O)CP(=O)(OCC)OCC GGUBFICZYGKNTD-UHFFFAOYSA-N 0.000 claims description 8
- 229920001577 copolymer Polymers 0.000 claims description 6
- 230000032050 esterification Effects 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 150000003609 titanium compounds Chemical class 0.000 claims description 4
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 claims description 4
- 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 claims description 3
- HKJYVRJHDIPMQB-UHFFFAOYSA-N propan-1-olate;titanium(4+) Chemical compound CCCO[Ti](OCCC)(OCCC)OCCC HKJYVRJHDIPMQB-UHFFFAOYSA-N 0.000 claims description 3
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 claims description 2
- RWLALWYNXFYRGW-UHFFFAOYSA-N 2-Ethyl-1,3-hexanediol Chemical compound CCCC(O)C(CC)CO RWLALWYNXFYRGW-UHFFFAOYSA-N 0.000 claims description 2
- IHEDBVUTTQXGSJ-UHFFFAOYSA-M 2-[bis(2-oxidoethyl)amino]ethanolate;titanium(4+);hydroxide Chemical compound [OH-].[Ti+4].[O-]CCN(CC[O-])CC[O-] IHEDBVUTTQXGSJ-UHFFFAOYSA-M 0.000 claims description 2
- KTXWGMUMDPYXNN-UHFFFAOYSA-N 2-ethylhexan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCCC(CC)C[O-].CCCCC(CC)C[O-].CCCCC(CC)C[O-].CCCCC(CC)C[O-] KTXWGMUMDPYXNN-UHFFFAOYSA-N 0.000 claims description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 claims description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 2
- 229960005082 etohexadiol Drugs 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims 1
- 230000001976 improved effect Effects 0.000 abstract description 6
- 229920000728 polyester Polymers 0.000 abstract description 6
- 229920005989 resin Polymers 0.000 abstract description 6
- 239000011347 resin Substances 0.000 abstract description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 3
- 239000001257 hydrogen Substances 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 13
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000003086 colorant Substances 0.000 description 7
- 239000000376 reactant Substances 0.000 description 7
- 229920001634 Copolyester Polymers 0.000 description 6
- 229910017052 cobalt Inorganic materials 0.000 description 5
- 239000010941 cobalt Substances 0.000 description 5
- 229940011182 cobalt acetate Drugs 0.000 description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 2
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 description 1
- PZRWFKGUFWPFID-UHFFFAOYSA-N 3,9-dioctadecoxy-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane Chemical compound C1OP(OCCCCCCCCCCCCCCCCCC)OCC21COP(OCCCCCCCCCCCCCCCCCC)OC2 PZRWFKGUFWPFID-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229940058905 antimony compound for treatment of leishmaniasis and trypanosomiasis Drugs 0.000 description 1
- 150000001463 antimony compounds Chemical class 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- TZWGXFOSKIHUPW-UHFFFAOYSA-L cobalt(2+);propanoate Chemical compound [Co+2].CCC([O-])=O.CCC([O-])=O TZWGXFOSKIHUPW-UHFFFAOYSA-L 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 229940001447 lactate Drugs 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 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
- 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
Landscapes
- 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
| 안정제종류 | 중축합온도(℃) | 고유점도(dL/g) | Color-b(Yellowness) | |
| 실시예 1 | 안정제-1 | 275 | 0.785 | 1.4 |
| 비교예 1 | 안정제-2 | 275 | 0.782 | 3.3 |
| 비교예 2 | 안정제-3 | 275 | 0.782 | 8.1 |
| 비교예 3 | 안정제-4 | 275 | 0.775 | 9.9 |
| 안정제종류 | 중축합온도(℃) | 고유점도(dL/g) | Color-b(Yellowness) | |
| 실시예 2 | 안정제-1 | 270 | 0.805 | 2.2 |
| 비교예 4 | 안정제-2 | 270 | 0.785 | 5.6 |
| 비교예 5 | 안정제-3 | 270 | 0.789 | 8.7 |
| 비교예 6 | 안정제-4 | 270 | 0.781 | 10.7 |
| 안정제종류 | 중축합온도(℃) | 고유점도(dL/g) | Color-b(Yellowness) | |
| 실시예 3 | 안정제-1 | 275 | 0.787 | 3.7 |
| 비교예 7 | 안정제-2 | 275 | 0.780 | 5.9 |
| 비교예 8 | 안정제-3 | 275 | 0.772 | 9.2 |
| 안정제 종류 | 중축합온도(℃) | 고유점도(dL/g) | Color-b(Yellowness) | |
| 실시예 4 | 트리에틸포스포노아세테이트 | 270 | 0.782 | 4.5 |
| 비교예 9 | 인산 | 270 | 0.780 | 5.8 |
Claims (6)
- 테레프탈산에 대하여 에틸렌글리콜과 1,4-사이클로헥산디메탄올을 포함한 전체 글리콜 성분이 몰 비로 1.3 내지 3.0이 되도록 투입하여 230∼260℃ 및 1.0∼3.0㎏/㎠의 조건 하에서 에스테르화 반응시킨 후에 중축합 촉매로서 티타늄계 화합물을 사용하여 250∼290℃ 및 400∼0.1mmHg의 감압조건하에서 중축합함으로써 공중합된 폴리에스테르 수지를 제조하는 방법에 있어서, 상기 1,4-사이클로헥산디메탄올이 전체 글리콜 성분 중 10∼90 몰% 범위로 사용되고, 상기 중축합 반응시 안정제로서 하기 화학식 1로 표시되는 카복시 포스포닉산계 화합물이 사용되는 것을 특징으로 하는 1,4-사이클로헥산디메탄올이 공중합된 폴리에스테르 수지의 제조방법:화학식 1여기서, R1, R2, 및 R3는 서로 같거나 다르게 탄소수 1 내지 10의 알킬기, 사이클로알킬기, 및 탄소수 6 내지 10의 아릴기로 이루어진 군으로부터 선택되며, R은 탄소수 1 내지 10의 알킬렌기, 사이클로알킬렌기 및 탄소수 6 내지 10의 아릴렌기로 이루어진 군으로부터 선택됨.
- 삭제
- 제1항에 있어서, 상기 카복시 포스포닉산계 화합물이 트리에틸포스포노아세테이트인 것을 특징으로 하는 1,4-사이클로헥산디메탄올이 공중합된 폴리에스테르 수지의 제조방법.
- 제1항에 있어서, 상기 카복시 포스포닉산계 화합물은 인원소량 기준으로 최종 폴리머의 중량 대비 10∼150ppm을 사용하는 것을 특징으로 하는 1,4-사이클로헥산디메탄올이 공중합된 폴리에스테르 수지의 제조방법.
- 제1항에 있어서, 상기 티타늄계 화합물은 테트라에틸티타네이트, 아세틸트리프로필티타네이트, 테트라프로필티타네이트, 테트라부틸티타네이트, 폴리부틸티타네이트, 2-에틸헥실티타네이트, 옥틸렌글리콜티타네이트, 락테이트티타네이트, 트리에탄올아민티타네이트, 아세틸아세토네이트티타네이트, 에틸아세토아세틱에스테르티타네이트, 이소스테아릴티타네이트, 티타늄디옥사이드, 티타늄디옥사이드와 실리콘 디옥사이드 공중합체, 및 티타늄디옥사이드와 지르코늄디옥사이드 공중합체로 이루어진 군으로부터 하나 또는 그 이상 선택되는 것을 특징으로 하는 1,4-사이클로헥산디메탄올이 공중합된 폴리에스테르 수지의 제조방법.
- 제1항에 있어서, 상기 티타늄계 화합물을 티타늄 원소량 기준으로 최종 폴리머의 중량 대비 10∼100ppm 사용하는 것을 특징으로 하는 1,4-사이클로헥산디메탄올이 공중합된 폴리에스테르 수지의 제조방법.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP00311723A EP1156070B1 (en) | 2000-05-17 | 2000-12-28 | Method for preparing polyester resin copolymerized with 1,4-Cyclohexanedimethanol |
| JP2000403432A JP3209336B1 (ja) | 2000-05-17 | 2000-12-28 | 1,4−シクロヘキサンジメタノールが共重合されたポリエステル樹脂の製造方法 |
| ES00311723T ES2222880T3 (es) | 2000-05-17 | 2000-12-28 | Metodo para preparar una resina de poliester copolimerizada con 1,4-ciclohexanodimetanol. |
| DE60012149T DE60012149T2 (de) | 2000-05-17 | 2000-12-28 | Verfahren zur Herstellung von mit 1,4-Cyclohexandimethanol copolymersierten Polyestern |
| US09/753,923 US6342579B2 (en) | 2000-05-17 | 2001-01-02 | Method for preparing polyester resin copolymerized with 1,4-cyclohexanedimethanol |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20000026495 | 2000-05-17 | ||
| KR1020000026495 | 2000-05-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20010106071A KR20010106071A (ko) | 2001-11-29 |
| KR100378778B1 true KR100378778B1 (ko) | 2003-04-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-2000-0057353A Expired - Lifetime KR100378778B1 (ko) | 2000-05-17 | 2000-09-29 | 1,4-사이클로헥산디메탄올이 공중합된 폴리에스테르수지의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100378778B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101139137B1 (ko) * | 2004-12-14 | 2012-04-30 | 에스케이케미칼주식회사 | 우수한 색상을 갖는 폴리에스테르와 폴리카보네이트의블렌드 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100513118B1 (ko) * | 2002-10-02 | 2005-09-07 | 에스케이케미칼주식회사 | 중축합 반응속도가 우수한 1,4-사이클로헥산디메탄올이공중합된 폴리에스테르 수지의 제조방법 |
| KR20220042008A (ko) * | 2020-09-25 | 2022-04-04 | 한화솔루션 주식회사 | 코폴리에스테르의 제조방법 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960002959A (ko) * | 1994-06-28 | 1996-01-26 | 동축 케이블용 커넥터 | |
| US5744572A (en) * | 1996-08-01 | 1998-04-28 | Zimmer Ag | Process for the acceleration of the polycondensation of polyester |
| KR0145803B1 (ko) * | 1994-07-30 | 1998-08-17 | 성재갑 | 폴리 1,4-사이클로 헥실렌 디메틸렌 테레프탈레이트의 제조방법 |
| KR19990016888A (ko) * | 1997-08-20 | 1999-03-15 | 장용균 | 콘덴서용 이축배향 폴리에스테르 필름 |
| KR0175204B1 (ko) * | 1995-10-10 | 1999-04-01 | 김준웅 | 고분자량 폴리부틸렌테레프탈레이트의 제조방법 |
| US5965259A (en) * | 1996-08-01 | 1999-10-12 | Lurgi Zimmer Aktiengesellschaft | Process of making poy polyester fiber |
| JP2000327890A (ja) * | 1999-05-21 | 2000-11-28 | Tsutsunaka Plast Ind Co Ltd | 熱可塑性樹脂組成物 |
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2000
- 2000-09-29 KR KR10-2000-0057353A patent/KR100378778B1/ko not_active Expired - Lifetime
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960002959A (ko) * | 1994-06-28 | 1996-01-26 | 동축 케이블용 커넥터 | |
| KR0145803B1 (ko) * | 1994-07-30 | 1998-08-17 | 성재갑 | 폴리 1,4-사이클로 헥실렌 디메틸렌 테레프탈레이트의 제조방법 |
| KR0175204B1 (ko) * | 1995-10-10 | 1999-04-01 | 김준웅 | 고분자량 폴리부틸렌테레프탈레이트의 제조방법 |
| US5744572A (en) * | 1996-08-01 | 1998-04-28 | Zimmer Ag | Process for the acceleration of the polycondensation of polyester |
| US5965259A (en) * | 1996-08-01 | 1999-10-12 | Lurgi Zimmer Aktiengesellschaft | Process of making poy polyester fiber |
| KR19990016888A (ko) * | 1997-08-20 | 1999-03-15 | 장용균 | 콘덴서용 이축배향 폴리에스테르 필름 |
| JP2000327890A (ja) * | 1999-05-21 | 2000-11-28 | Tsutsunaka Plast Ind Co Ltd | 熱可塑性樹脂組成物 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101139137B1 (ko) * | 2004-12-14 | 2012-04-30 | 에스케이케미칼주식회사 | 우수한 색상을 갖는 폴리에스테르와 폴리카보네이트의블렌드 |
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| Publication number | Publication date |
|---|---|
| KR20010106071A (ko) | 2001-11-29 |
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