CH520169A - Verfahren zur kontinuierlichen Herstellung von Polymerisaten oder Copolymerisaten von B-Lactonen - Google Patents
Verfahren zur kontinuierlichen Herstellung von Polymerisaten oder Copolymerisaten von B-LactonenInfo
- Publication number
- CH520169A CH520169A CH1345268A CH1345268A CH520169A CH 520169 A CH520169 A CH 520169A CH 1345268 A CH1345268 A CH 1345268A CH 1345268 A CH1345268 A CH 1345268A CH 520169 A CH520169 A CH 520169A
- Authority
- CH
- Switzerland
- Prior art keywords
- pump
- temperature
- polymer
- polymerization
- mass
- Prior art date
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
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/08—Lactones or lactides
-
- 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
- C08G63/785—Preparation processes characterised by the apparatus used
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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 |
|---|---|---|---|
| GB41319/67A GB1180044A (en) | 1967-09-11 | 1967-09-11 | Process for the Polymerization of beta-Lactones. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH520169A true CH520169A (de) | 1972-03-15 |
Family
ID=10419140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1345268A CH520169A (de) | 1967-09-11 | 1968-09-09 | Verfahren zur kontinuierlichen Herstellung von Polymerisaten oder Copolymerisaten von B-Lactonen |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT287307B (da) |
| BE (1) | BE720564A (da) |
| CH (1) | CH520169A (da) |
| DE (1) | DE1795306B2 (da) |
| ES (1) | ES357956A1 (da) |
| FR (1) | FR1577945A (da) |
| GB (1) | GB1180044A (da) |
| NL (1) | NL6812824A (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5349046A (en) * | 1992-12-01 | 1994-09-20 | Shell Oil Company | Polymerization of β-lactones under rim conditions |
-
1967
- 1967-09-11 GB GB41319/67A patent/GB1180044A/en not_active Expired
-
1968
- 1968-09-09 AT AT877068A patent/AT287307B/de not_active IP Right Cessation
- 1968-09-09 CH CH1345268A patent/CH520169A/de not_active IP Right Cessation
- 1968-09-09 ES ES357956A patent/ES357956A1/es not_active Expired
- 1968-09-09 NL NL6812824A patent/NL6812824A/xx unknown
- 1968-09-09 FR FR1577945D patent/FR1577945A/fr not_active Expired
- 1968-09-09 BE BE720564D patent/BE720564A/xx unknown
- 1968-09-09 DE DE1795306A patent/DE1795306B2/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| BE720564A (da) | 1969-03-10 |
| AT287307B (de) | 1971-01-25 |
| GB1180044A (en) | 1970-02-04 |
| NL6812824A (da) | 1969-03-13 |
| ES357956A1 (es) | 1970-04-01 |
| DE1795306A1 (de) | 1972-03-16 |
| DE1795306C3 (da) | 1975-02-06 |
| DE1795306B2 (de) | 1974-06-20 |
| FR1577945A (da) | 1969-08-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |