CA2023758A1 - Reduction de l'acidite des polyesters par protection des bouts de chaines par une reaction de fusion avec desgroupes dialkyloxyalte ou tetraalkyluree - Google Patents
Reduction de l'acidite des polyesters par protection des bouts de chaines par une reaction de fusion avec desgroupes dialkyloxyalte ou tetraalkylureeInfo
- Publication number
- CA2023758A1 CA2023758A1 CA2023758A CA2023758A CA2023758A1 CA 2023758 A1 CA2023758 A1 CA 2023758A1 CA 2023758 A CA2023758 A CA 2023758A CA 2023758 A CA2023758 A CA 2023758A CA 2023758 A1 CA2023758 A1 CA 2023758A1
- Authority
- CA
- Canada
- Prior art keywords
- endcapping
- polyesters
- dialkyloxylate
- acidity
- reduction
- 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.)
- Granted
Links
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
- C08G63/02—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
- C08G63/20—Polyesters having been prepared in the presence of compounds having one reactive group or more than two reactive groups
-
- 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
- C08G63/91—Polymers modified by chemical after-treatment
- C08G63/914—Polymers modified by chemical after-treatment derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/916—Dicarboxylic acids and dihydroxy compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Polyesters Or Polycarbonates (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US397,221 | 1982-07-12 | ||
US07/397,221 US4983691A (en) | 1989-08-23 | 1989-08-23 | Reduction of acidity of polyesters by melt reaction endcapping with dialkyloxylate or tetraalkyl urea |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2023758A1 true CA2023758A1 (fr) | 1991-02-24 |
CA2023758C CA2023758C (fr) | 1997-04-29 |
Family
ID=23570321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002023758A Expired - Fee Related CA2023758C (fr) | 1989-08-23 | 1990-08-22 | Reduction de l'acidite des polyesters par protection des bouts de chaines par une reaction de fusion avec desgroupes dialkyloxyalte ou tetraalkyluree |
Country Status (6)
Country | Link |
---|---|
US (1) | US4983691A (fr) |
EP (1) | EP0414009B1 (fr) |
JP (1) | JP2858474B2 (fr) |
CA (1) | CA2023758C (fr) |
DE (1) | DE69027160T2 (fr) |
ES (1) | ES2087101T3 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6472500B2 (en) | 2000-06-17 | 2002-10-29 | General Electric Company | Crystalline polyester resins and processes for their preparation |
MXPA01001935A (es) * | 2000-07-04 | 2002-08-20 | Hitachi Cable | Manguera de freno. |
GB2364319B (en) † | 2000-07-06 | 2003-01-15 | Gharda Chemicals Ltd | Melt processible polyether ether ketone polymer |
CN103502354A (zh) * | 2011-03-02 | 2014-01-08 | 陶氏环球技术有限责任公司 | 涂料组合物和由该涂料组合物制备的制品 |
EP2681260B2 (fr) * | 2011-03-02 | 2023-05-31 | Dow Global Technologies LLC | Méthode de production d'une dispersion aqueuse |
JP5947081B2 (ja) * | 2012-03-29 | 2016-07-06 | 帝人株式会社 | ポリエステル組成物及びその製造方法 |
JP5881500B2 (ja) * | 2012-03-29 | 2016-03-09 | 帝人株式会社 | ポリエステル組成物及びその製造方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT265646B (de) * | 1965-02-25 | 1968-10-25 | Metallgesellschaft Ag | Verfahren zur Erhöhung des Molekulargewichtes eines faser- und filmbildenden Polyesters |
DE1929149A1 (de) * | 1969-06-09 | 1970-12-23 | Hoechst Ag | Verfahren zur Endgruppenmodifizierung von Polyestern |
US3968159A (en) * | 1971-08-31 | 1976-07-06 | Monsanto Company | Process for preparing azomethines |
US3839272A (en) * | 1973-02-27 | 1974-10-01 | Fiber Industries Inc | Hydrolytic and melt degradation stabilized polyester |
CH593309A5 (en) * | 1974-10-14 | 1977-11-30 | Inventa Ag | Reduction of carboxyl gp. content of linear aromatic polyester - by treatment with ethylene oxide at high temps. |
US4200731A (en) * | 1979-02-01 | 1980-04-29 | The Goodyear Tire & Rubber Company | Endcapped polyesters |
JPH0726004B2 (ja) * | 1986-10-17 | 1995-03-22 | 三井石油化学工業株式会社 | ポリエステル樹脂組成物の製造方法 |
US4774315A (en) * | 1986-12-23 | 1988-09-27 | General Electric Company | Copoly isophthalate carbonate end-capped with paracumylphenol |
US4839124A (en) * | 1988-02-29 | 1989-06-13 | Allied-Signal Inc. | Reduction of carboxyl end groups in polyester fibers with lactim ethers |
US4886875A (en) * | 1988-12-07 | 1989-12-12 | E. I. Du Pont De Nemours And Company | End-capping of polyarylate carboxyl acid ends by use of aromatic carbonates |
-
1989
- 1989-08-23 US US07/397,221 patent/US4983691A/en not_active Expired - Lifetime
-
1990
- 1990-08-02 ES ES90114856T patent/ES2087101T3/es not_active Expired - Lifetime
- 1990-08-02 DE DE69027160T patent/DE69027160T2/de not_active Expired - Fee Related
- 1990-08-02 EP EP90114856A patent/EP0414009B1/fr not_active Expired - Lifetime
- 1990-08-20 JP JP2217197A patent/JP2858474B2/ja not_active Expired - Fee Related
- 1990-08-22 CA CA002023758A patent/CA2023758C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2858474B2 (ja) | 1999-02-17 |
DE69027160T2 (de) | 1996-10-02 |
CA2023758C (fr) | 1997-04-29 |
JPH03157423A (ja) | 1991-07-05 |
ES2087101T3 (es) | 1996-07-16 |
EP0414009B1 (fr) | 1996-05-29 |
DE69027160D1 (de) | 1996-07-04 |
EP0414009A2 (fr) | 1991-02-27 |
EP0414009A3 (en) | 1991-10-23 |
US4983691A (en) | 1991-01-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |