DE2503392A1 - Verfahren zur herstellung von linearen aromatischen polyestern - Google Patents
Verfahren zur herstellung von linearen aromatischen polyesternInfo
- Publication number
- DE2503392A1 DE2503392A1 DE19752503392 DE2503392A DE2503392A1 DE 2503392 A1 DE2503392 A1 DE 2503392A1 DE 19752503392 DE19752503392 DE 19752503392 DE 2503392 A DE2503392 A DE 2503392A DE 2503392 A1 DE2503392 A1 DE 2503392A1
- Authority
- DE
- Germany
- Prior art keywords
- germanium dioxide
- ppm
- amount
- dicarboxylic acid
- alkali metal
- 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
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
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
- C08G63/86—Germanium, antimony, or compounds thereof
-
- 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
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/83—Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB383174A GB1458585A (en) | 1974-01-28 | 1974-01-28 | Polyester production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2503392A1 true DE2503392A1 (de) | 1975-07-31 |
Family
ID=9765769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752503392 Pending DE2503392A1 (de) | 1974-01-28 | 1975-01-28 | Verfahren zur herstellung von linearen aromatischen polyestern |
Country Status (10)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0454868B1 (en) * | 1989-11-15 | 1996-09-25 | Toray Industries, Inc. | Rubber-reinforcing polyester fiber and process for preparation thereof |
-
1974
- 1974-01-28 GB GB383174A patent/GB1458585A/en not_active Expired
-
1975
- 1975-01-16 AU AU77379/75A patent/AU7737975A/en not_active Expired
- 1975-01-20 IT IT1941575A patent/IT1030994B/it active
- 1975-01-22 NL NL7500751A patent/NL7500751A/xx not_active Application Discontinuation
- 1975-01-23 CA CA218,502A patent/CA1047689A/en not_active Expired
- 1975-01-24 FR FR7502230A patent/FR2259121B1/fr not_active Expired
- 1975-01-27 LU LU71731A patent/LU71731A1/xx unknown
- 1975-01-28 BE BE152801A patent/BE824886A/xx unknown
- 1975-01-28 JP JP1183975A patent/JPS50108393A/ja active Pending
- 1975-01-28 DE DE19752503392 patent/DE2503392A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE824886A (fr) | 1975-07-28 |
| GB1458585A (en) | 1976-12-15 |
| FR2259121A1 (US20020193084A1-20021219-M00002.png) | 1975-08-22 |
| AU7737975A (en) | 1976-07-22 |
| CA1047689A (en) | 1979-01-30 |
| NL7500751A (nl) | 1975-07-30 |
| JPS50108393A (US20020193084A1-20021219-M00002.png) | 1975-08-26 |
| LU71731A1 (US20020193084A1-20021219-M00002.png) | 1976-08-19 |
| IT1030994B (it) | 1979-04-10 |
| FR2259121B1 (US20020193084A1-20021219-M00002.png) | 1979-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| OHW | Rejection |