ES2087101T3 - Reduccion de la acidez de poliesteres mediante reaccion de fusion protegiendo terminalmente con oxalato de dialquilo o tetraalquilurea. - Google Patents
Reduccion de la acidez de poliesteres mediante reaccion de fusion protegiendo terminalmente con oxalato de dialquilo o tetraalquilurea.Info
- Publication number
- ES2087101T3 ES2087101T3 ES90114856T ES90114856T ES2087101T3 ES 2087101 T3 ES2087101 T3 ES 2087101T3 ES 90114856 T ES90114856 T ES 90114856T ES 90114856 T ES90114856 T ES 90114856T ES 2087101 T3 ES2087101 T3 ES 2087101T3
- Authority
- ES
- Spain
- Prior art keywords
- polyesters
- tetraalkylurea
- terminally
- acidity
- protecting
- 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
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)
Abstract
UN METODO PARA LA REACCION DE FUSION DE POLIESTERES, PARTICULARMENTE TEREFTALATO DE POLIETILENO, CON UN AGENTE TAMPON QUE REACCIONA CON LOS GRUPOS CARBOXIL TERMINALES DEL POLIESTER. LOS AGENTES TAMPON SON ELEGIDOS DEL GRUPO CONSISTENTE EN DEALQUILOXILATOS Y TETRAALQUILUREAS.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 (1)
| Publication Number | Publication Date |
|---|---|
| ES2087101T3 true ES2087101T3 (es) | 1996-07-16 |
Family
ID=23570321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES90114856T Expired - Lifetime ES2087101T3 (es) | 1989-08-23 | 1990-08-02 | Reduccion de la acidez de poliesteres mediante reaccion de fusion protegiendo terminalmente con oxalato de dialquilo o tetraalquilurea. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4983691A (es) |
| EP (1) | EP0414009B1 (es) |
| JP (1) | JP2858474B2 (es) |
| CA (1) | CA2023758C (es) |
| DE (1) | DE69027160T2 (es) |
| ES (1) | ES2087101T3 (es) |
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 |
| KR101958608B1 (ko) * | 2011-03-02 | 2019-03-14 | 다우 글로벌 테크놀로지스 엘엘씨 | 코팅 조성물 및 이로부터 제조된 물품 |
| 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 |
| 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 |
Family Cites Families (9)
| 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 |
| 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 DE DE69027160T patent/DE69027160T2/de not_active Expired - Fee Related
- 1990-08-02 EP EP90114856A patent/EP0414009B1/en not_active Expired - Lifetime
- 1990-08-02 ES ES90114856T patent/ES2087101T3/es not_active Expired - Lifetime
- 1990-08-20 JP JP2217197A patent/JP2858474B2/ja not_active Expired - Fee Related
- 1990-08-22 CA CA002023758A patent/CA2023758C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE69027160D1 (de) | 1996-07-04 |
| EP0414009B1 (en) | 1996-05-29 |
| CA2023758C (en) | 1997-04-29 |
| DE69027160T2 (de) | 1996-10-02 |
| US4983691A (en) | 1991-01-08 |
| EP0414009A2 (en) | 1991-02-27 |
| JPH03157423A (ja) | 1991-07-05 |
| EP0414009A3 (en) | 1991-10-23 |
| JP2858474B2 (ja) | 1999-02-17 |
| CA2023758A1 (en) | 1991-02-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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