JPH08505421A - ポリエステル及び良好な透明性を有するポリエステル成型品の製造 - Google Patents
ポリエステル及び良好な透明性を有するポリエステル成型品の製造Info
- Publication number
- JPH08505421A JPH08505421A JP6516128A JP51612894A JPH08505421A JP H08505421 A JPH08505421 A JP H08505421A JP 6516128 A JP6516128 A JP 6516128A JP 51612894 A JP51612894 A JP 51612894A JP H08505421 A JPH08505421 A JP H08505421A
- Authority
- JP
- Japan
- Prior art keywords
- polyester
- particles
- vapor
- inert gas
- precursor
- 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.)
- Pending
Links
- 229920000728 polyester Polymers 0.000 title claims abstract description 58
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000000465 moulding Methods 0.000 title description 9
- 239000002245 particle Substances 0.000 claims abstract description 35
- 239000002243 precursor Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000007790 solid phase Substances 0.000 claims abstract description 17
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 16
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 12
- 238000002844 melting Methods 0.000 claims abstract description 10
- 230000008018 melting Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 37
- 239000011261 inert gas Substances 0.000 claims description 34
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 22
- 239000008188 pellet Substances 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 230000000379 polymerizing effect Effects 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 2
- 239000003570 air Substances 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 238000006116 polymerization reaction Methods 0.000 abstract description 23
- 239000007787 solid Substances 0.000 description 15
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 12
- 229920000642 polymer Polymers 0.000 description 10
- 239000000499 gel Substances 0.000 description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 description 6
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- 239000000155 melt Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 150000002334 glycols Chemical class 0.000 description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 238000010923 batch production Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 2
- 229920001634 Copolyester Polymers 0.000 description 2
- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 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
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 150000002829 nitrogen Chemical class 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000005809 transesterification reaction Methods 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- ZPXGNBIFHQKREO-UHFFFAOYSA-N 2-chloroterephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(Cl)=C1 ZPXGNBIFHQKREO-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010101 extrusion blow moulding Methods 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- OJURWUUOVGOHJZ-UHFFFAOYSA-N methyl 2-[(2-acetyloxyphenyl)methyl-[2-[(2-acetyloxyphenyl)methyl-(2-methoxy-2-oxoethyl)amino]ethyl]amino]acetate Chemical compound C=1C=CC=C(OC(C)=O)C=1CN(CC(=O)OC)CCN(CC(=O)OC)CC1=CC=CC=C1OC(C)=O OJURWUUOVGOHJZ-UHFFFAOYSA-N 0.000 description 1
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- QUMITRDILMWWBC-UHFFFAOYSA-N nitroterephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C([N+]([O-])=O)=C1 QUMITRDILMWWBC-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 150000003503 terephthalic acid derivatives 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
- C08G63/80—Solid-state polycondensation
-
- 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
- C08G63/181—Acids containing aromatic rings
- C08G63/183—Terephthalic acids
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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/000,316 US5393871A (en) | 1993-01-04 | 1993-01-04 | Production of polyesters and polyester articles having good clarity |
| US000,316 | 1993-01-04 | ||
| PCT/US1994/000027 WO1994015991A1 (en) | 1993-01-04 | 1994-01-03 | Production of polyesters and polyester articles having good clarity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08505421A true JPH08505421A (ja) | 1996-06-11 |
Family
ID=21690951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6516128A Pending JPH08505421A (ja) | 1993-01-04 | 1994-01-03 | ポリエステル及び良好な透明性を有するポリエステル成型品の製造 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5393871A (https=) |
| EP (1) | EP0677079B1 (https=) |
| JP (1) | JPH08505421A (https=) |
| KR (1) | KR960700291A (https=) |
| AT (1) | ATE178919T1 (https=) |
| CA (1) | CA2151057A1 (https=) |
| DE (1) | DE69417871T2 (https=) |
| ES (1) | ES2129628T3 (https=) |
| MX (1) | MX9400008A (https=) |
| TW (1) | TW315378B (https=) |
| WO (1) | WO1994015991A1 (https=) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6495656B1 (en) | 1990-11-30 | 2002-12-17 | Eastman Chemical Company | Copolyesters and fibrous materials formed therefrom |
| JP3470304B2 (ja) | 1994-10-20 | 2003-11-25 | 東洋紡績株式会社 | ポリエステルの製造方法 |
| JP3465764B2 (ja) | 1995-01-25 | 2003-11-10 | 東洋紡績株式会社 | ポリエステルおよびその製造方法 |
| DE19519898B4 (de) * | 1995-05-31 | 2006-01-26 | Zimmer Ag | Verfahren zur Verbesserung der Streckfähigkeit von Polyester |
| US6066713A (en) * | 1995-12-21 | 2000-05-23 | Lurgi Zimmer Aktiengesellschaft | Process for improving the drawing ability of polyester |
| US6103774A (en) * | 1997-04-02 | 2000-08-15 | The Coca-Cola Company | Process for removing contaminants from polyesters and controlling polymer molecular weight |
| DE69836223T2 (de) * | 1997-08-28 | 2007-08-30 | Eastman Chemical Co., Kingsport | Verbesserte copolymerbinderfasern |
| US6231976B1 (en) | 1997-08-28 | 2001-05-15 | Eastman Chemical Company | Copolyester binder fibers |
| ATE247183T1 (de) * | 1997-11-06 | 2003-08-15 | Eastman Chem Co | Copolyester-binderfasern |
| US6180756B1 (en) * | 1999-02-17 | 2001-01-30 | E. I. Du Pont De Nemours And Company | Addition of treatment agents to solid phase polymerization process |
| US7329723B2 (en) * | 2003-09-18 | 2008-02-12 | Eastman Chemical Company | Thermal crystallization of polyester pellets in liquid |
| US7150371B1 (en) * | 2003-10-02 | 2006-12-19 | Plastipak Packaging, Inc. | Extrusion blow molded container, apparatus and method |
| CA2482056A1 (en) * | 2003-10-10 | 2005-04-10 | Eastman Chemical Company | Thermal crystallization of a molten polyester polymer in a fluid |
| DE102004010680A1 (de) | 2004-03-04 | 2005-10-06 | Zimmer Ag | Verfahren zur Herstellung von hochkondensierten Polyestern in der festen Phase |
| FR2872731A1 (fr) * | 2004-07-07 | 2006-01-13 | Air Liquide | Procede et dispositif de production de preformes en polyethylene teraphtalate |
| US20060047102A1 (en) * | 2004-09-02 | 2006-03-02 | Stephen Weinhold | Spheroidal polyester polymer particles |
| DE602005007573D1 (de) * | 2005-03-24 | 2008-07-31 | Giuliano Cavaglia | Verfahren der Anwendung einer reaktiven Atmosphäre zur kontinuerlichen oder diskontinuerlichen Festphasenpolymerization von Polyestern |
| US8557950B2 (en) | 2005-06-16 | 2013-10-15 | Grupo Petrotemex, S.A. De C.V. | High intrinsic viscosity melt phase polyester polymers with acceptable acetaldehyde generation rates |
| US20060287471A1 (en) * | 2005-06-16 | 2006-12-21 | Schreiber Benjamin R | Accelerated acetaldehyde testing of polymers |
| US7838596B2 (en) * | 2005-09-16 | 2010-11-23 | Eastman Chemical Company | Late addition to effect compositional modifications in condensation polymers |
| US8431202B2 (en) * | 2005-09-16 | 2013-04-30 | Grupo Petrotemex, S.A. De C.V. | Aluminum/alkaline or alkali/titanium containing polyesters having improved reheat, color and clarity |
| US9267007B2 (en) * | 2005-09-16 | 2016-02-23 | Grupo Petrotemex, S.A. De C.V. | Method for addition of additives into a polymer melt |
| US7932345B2 (en) | 2005-09-16 | 2011-04-26 | Grupo Petrotemex, S.A. De C.V. | Aluminum containing polyester polymers having low acetaldehyde generation rates |
| US7655746B2 (en) * | 2005-09-16 | 2010-02-02 | Eastman Chemical Company | Phosphorus containing compounds for reducing acetaldehyde in polyesters polymers |
| US7875184B2 (en) * | 2005-09-22 | 2011-01-25 | Eastman Chemical Company | Crystallized pellet/liquid separator |
| DE102006012587B4 (de) | 2006-03-16 | 2015-10-29 | Lurgi Zimmer Gmbh | Verfahren und Vorrichtung zur Kristallisation von Polyestermaterial |
| US7709595B2 (en) * | 2006-07-28 | 2010-05-04 | Eastman Chemical Company | Non-precipitating alkali/alkaline earth metal and aluminum solutions made with polyhydroxyl ether solvents |
| US7709593B2 (en) * | 2006-07-28 | 2010-05-04 | Eastman Chemical Company | Multiple feeds of catalyst metals to a polyester production process |
| US7745368B2 (en) * | 2006-07-28 | 2010-06-29 | Eastman Chemical Company | Non-precipitating alkali/alkaline earth metal and aluminum compositions made with organic hydroxyacids |
| US20080027207A1 (en) * | 2006-07-28 | 2008-01-31 | Jason Christopher Jenkins | Non-precipitating alkali/alkaline earth metal and aluminum compositions made with mono-ol ether solvents |
| US8563677B2 (en) * | 2006-12-08 | 2013-10-22 | Grupo Petrotemex, S.A. De C.V. | Non-precipitating alkali/alkaline earth metal and aluminum solutions made with diols having at least two primary hydroxyl groups |
| US20110256331A1 (en) | 2010-04-14 | 2011-10-20 | Dak Americas Llc | Ultra-high iv polyester for extrusion blow molding and method for its production |
| AU2012298664B2 (en) * | 2011-08-25 | 2017-07-20 | Plastipak Packaging, Inc. | Extruded PET parison, container, and method |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3453240A (en) * | 1964-09-24 | 1969-07-01 | Goodyear Tire & Rubber | Polyester resin treatment with ethylene glycol |
| UST887005I4 (en) * | 1970-04-02 | 1971-06-01 | Defensive publication | |
| US3953404A (en) * | 1974-02-07 | 1976-04-27 | General Electric Company | Solid state polymerization of poly(1,4-butylene terephthalate) |
| US4069278A (en) * | 1975-04-01 | 1978-01-17 | General Electric Company | Process of making a high melt viscosity block co-polyester |
| DE2559290B2 (de) * | 1975-12-31 | 1979-08-02 | Davy International Ag, 6000 Frankfurt | Verfahren zur kontinuierlichen Herstellung von hochmolekularem PoIyäthylenterephthalat |
| JPS5513715A (en) * | 1978-07-14 | 1980-01-30 | Nippon Ester Co Ltd | Preparation of polyester pellet |
| CH655938A5 (en) * | 1982-08-25 | 1986-05-30 | Inventa Ag | Process for the preparation of high-molecular-weight polyesters |
| US4591629A (en) * | 1983-04-21 | 1986-05-27 | Ems-Inventa Ag | Process for the purification of high molecular weight polyesters |
| JPS59219328A (ja) * | 1983-05-28 | 1984-12-10 | Toyobo Co Ltd | 高重合度ポリエステルの製造方法 |
| US4532319A (en) * | 1984-09-13 | 1985-07-30 | The Goodyear Tire & Rubber Company | Solid state polymerization of polyester |
| US5149485A (en) * | 1988-08-23 | 1992-09-22 | Sabel Plastechs, Inc. | Method and apparatus for extrusion blow molding polyethylene terephthalate articles |
| US5049647A (en) * | 1988-12-27 | 1991-09-17 | Cobarr S.P.A. | Method for the reduction of impurities in polyester resins |
| CA2012577C (en) * | 1989-03-31 | 1995-12-12 | Shigemi Shiraki | Process for treatment of polyethylene terephthalate, polyethylene terephthalate for molding purposes and process for preparation thereof |
| US5145742A (en) * | 1990-08-03 | 1992-09-08 | Eastman Kodak Company | Polymer pellet configuration for solid-state polymerization |
-
1993
- 1993-01-04 US US08/000,316 patent/US5393871A/en not_active Expired - Fee Related
-
1994
- 1994-01-03 KR KR1019950702733A patent/KR960700291A/ko not_active Withdrawn
- 1994-01-03 MX MX9400008A patent/MX9400008A/es not_active IP Right Cessation
- 1994-01-03 ES ES94905990T patent/ES2129628T3/es not_active Expired - Lifetime
- 1994-01-03 EP EP94905990A patent/EP0677079B1/en not_active Expired - Lifetime
- 1994-01-03 WO PCT/US1994/000027 patent/WO1994015991A1/en not_active Ceased
- 1994-01-03 CA CA002151057A patent/CA2151057A1/en not_active Abandoned
- 1994-01-03 AT AT94905990T patent/ATE178919T1/de not_active IP Right Cessation
- 1994-01-03 DE DE69417871T patent/DE69417871T2/de not_active Expired - Fee Related
- 1994-01-03 JP JP6516128A patent/JPH08505421A/ja active Pending
- 1994-01-05 TW TW083100065A patent/TW315378B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| ES2129628T3 (es) | 1999-06-16 |
| EP0677079B1 (en) | 1999-04-14 |
| MX9400008A (es) | 1994-07-29 |
| US5393871A (en) | 1995-02-28 |
| KR960700291A (ko) | 1996-01-19 |
| CA2151057A1 (en) | 1994-07-21 |
| EP0677079A1 (en) | 1995-10-18 |
| WO1994015991A1 (en) | 1994-07-21 |
| DE69417871T2 (de) | 1999-08-26 |
| TW315378B (https=) | 1997-09-11 |
| DE69417871D1 (de) | 1999-05-20 |
| ATE178919T1 (de) | 1999-04-15 |
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