JPS5232677B2 - - Google Patents
Info
- Publication number
- JPS5232677B2 JPS5232677B2 JP732657A JP265773A JPS5232677B2 JP S5232677 B2 JPS5232677 B2 JP S5232677B2 JP 732657 A JP732657 A JP 732657A JP 265773 A JP265773 A JP 265773A JP S5232677 B2 JPS5232677 B2 JP S5232677B2
- Authority
- JP
- Japan
- 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
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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/04—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
- C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
- C08G65/16—Cyclic ethers having four or more ring atoms
- C08G65/20—Tetrahydrofuran
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyethers (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP732657A JPS5232677B2 (US06826419-20041130-M00005.png) | 1972-12-29 | 1972-12-29 | |
| US428668A US3864287A (en) | 1972-12-29 | 1973-12-27 | Process for polymerizing tetrahydrofuran |
| GB5994773A GB1456660A (en) | 1972-12-29 | 1973-12-28 | Process for polymerising tetrahydrofuran |
| FR7347053A FR2212364B1 (US06826419-20041130-M00005.png) | 1972-12-29 | 1973-12-28 | |
| DE2364859A DE2364859A1 (de) | 1972-12-29 | 1973-12-28 | Verfahren zum polymerisieren von tetrahydrofuran |
| NL7400043A NL7400043A (US06826419-20041130-M00005.png) | 1972-12-29 | 1974-01-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP732657A JPS5232677B2 (US06826419-20041130-M00005.png) | 1972-12-29 | 1972-12-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4990798A JPS4990798A (US06826419-20041130-M00005.png) | 1974-08-29 |
| JPS5232677B2 true JPS5232677B2 (US06826419-20041130-M00005.png) | 1977-08-23 |
Family
ID=11535400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP732657A Expired JPS5232677B2 (US06826419-20041130-M00005.png) | 1972-12-29 | 1972-12-29 |
Country Status (6)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2709280C2 (de) * | 1976-03-31 | 1986-08-21 | E.I. Du Pont De Nemours And Co., Wilmington, Del. | Verfahren zur Herstellung von Poly-(tetramethylenether)-glykol |
| FR2361433A1 (fr) * | 1976-03-31 | 1978-03-10 | Du Pont | Preparation de poly(tetramethylene ether) glycol a partir d'esters de celui-ci |
| US4153786A (en) * | 1977-03-30 | 1979-05-08 | E. I. Du Pont De Nemours And Company | Method for preparing ester end-capped copolyether glycols |
| US4189566A (en) * | 1978-01-14 | 1980-02-19 | Basf Aktiengesellschaft | Polymerization of tetrahydrofuran |
| FR2438346A1 (fr) * | 1978-10-04 | 1980-04-30 | Anvar | Perfectionnement aux elements d'accumulateur au plomb |
| US4230892A (en) * | 1979-07-20 | 1980-10-28 | E. I. Du Pont De Nemours And Company | Alcoholysis process for preparing poly-(tetramethylene ether) glycol |
| DE3004328A1 (de) * | 1980-02-06 | 1981-08-13 | Bayer Ag, 5090 Leverkusen | Polytetrahydrofurane mit acrylat- oder methacrylatendgruppen |
| US5155283A (en) * | 1991-03-19 | 1992-10-13 | E. I. Du Pont De Nemours And Company | Polymerization of tetrahydrofuran using trifluoromethane sulfonic acid monohydrate as catalyst |
| US5541346A (en) * | 1992-10-21 | 1996-07-30 | E. I. Du Pont De Nemours And Company | Polymerization of, and depolymerization to, cyclic ethers using selected metal compound catalysts |
| US5990264A (en) * | 1993-02-23 | 1999-11-23 | E. I. Du Pont De Nemours And Company | Copolymerization of tetrahydrofurans and cyclic anhydrides |
| US5478920A (en) * | 1993-07-16 | 1995-12-26 | E. I. Du Pont De Nemours And Company | Cyclic ether polymerization using silicon compound accelerators |
| DE69424316T2 (de) * | 1993-07-16 | 2000-12-28 | Du Pont | Depolymerisierung von Polyethern in Gegenwart von heterogenen Katalysatoren |
| US9447321B2 (en) * | 2014-01-16 | 2016-09-20 | Graham Packaging Company, L.P. | Oxygen scavenging compositions for plastic containers |
| CN114395120B (zh) * | 2021-12-22 | 2023-11-10 | 山东一诺威新材料有限公司 | 阻燃耐高温聚醚多元醇的制备方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3344088A (en) * | 1964-05-21 | 1967-09-26 | Continental Oil Co | Catalytic process for polymerizing cyclic ethers |
-
1972
- 1972-12-29 JP JP732657A patent/JPS5232677B2/ja not_active Expired
-
1973
- 1973-12-27 US US428668A patent/US3864287A/en not_active Expired - Lifetime
- 1973-12-28 FR FR7347053A patent/FR2212364B1/fr not_active Expired
- 1973-12-28 GB GB5994773A patent/GB1456660A/en not_active Expired
- 1973-12-28 DE DE2364859A patent/DE2364859A1/de active Pending
-
1974
- 1974-01-02 NL NL7400043A patent/NL7400043A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2364859A1 (de) | 1974-07-04 |
| JPS4990798A (US06826419-20041130-M00005.png) | 1974-08-29 |
| FR2212364A1 (US06826419-20041130-M00005.png) | 1974-07-26 |
| GB1456660A (en) | 1976-11-24 |
| NL7400043A (US06826419-20041130-M00005.png) | 1974-07-02 |
| US3864287A (en) | 1975-02-04 |
| FR2212364B1 (US06826419-20041130-M00005.png) | 1976-11-19 |
