DE1420527A1 - Verfahren zur Herstellung von hochpolymeren Polymethylenterephthalaten - Google Patents
Verfahren zur Herstellung von hochpolymeren PolymethylenterephthalatenInfo
- Publication number
- DE1420527A1 DE1420527A1 DE19591420527 DE1420527A DE1420527A1 DE 1420527 A1 DE1420527 A1 DE 1420527A1 DE 19591420527 DE19591420527 DE 19591420527 DE 1420527 A DE1420527 A DE 1420527A DE 1420527 A1 DE1420527 A1 DE 1420527A1
- Authority
- DE
- Germany
- Prior art keywords
- magnesium
- magnesium compound
- terephthalate
- compound used
- reaction
- 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
- C08G63/83—Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, 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
- C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
- C08G63/86—Germanium, antimony, or compounds thereof
- C08G63/866—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
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 |
|---|---|---|---|
| GB1227089X | 1958-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1420527A1 true DE1420527A1 (de) | 1968-10-10 |
Family
ID=10884147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19591420527 Pending DE1420527A1 (de) | 1958-06-13 | 1959-06-04 | Verfahren zur Herstellung von hochpolymeren Polymethylenterephthalaten |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE579538A (enExample) |
| DE (1) | DE1420527A1 (enExample) |
| FR (1) | FR1227089A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119136908A (zh) * | 2022-04-04 | 2024-12-13 | 赢创运营有限公司 | 聚对苯二甲酸乙二醇酯的解聚的改进方法 |
| US20250215149A1 (en) * | 2022-04-04 | 2025-07-03 | Evonik Operations Gmbh | Improved method for the depolymerization of polyethylene terephthalate |
-
1959
- 1959-06-04 DE DE19591420527 patent/DE1420527A1/de active Pending
- 1959-06-10 BE BE579538D patent/BE579538A/fr unknown
- 1959-06-12 FR FR797400A patent/FR1227089A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1227089A (fr) | 1960-08-18 |
| BE579538A (enExample) | 1959-12-10 |
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