BE753903A - Procede de polymerisation d'alpha, alpha-dialcoyl-beta-propiolactones - Google Patents
Procede de polymerisation d'alpha, alpha-dialcoyl-beta-propiolactonesInfo
- Publication number
- BE753903A BE753903A BE753903DA BE753903A BE 753903 A BE753903 A BE 753903A BE 753903D A BE753903D A BE 753903DA BE 753903 A BE753903 A BE 753903A
- Authority
- BE
- Belgium
- Prior art keywords
- alpha
- dialcoyl
- propiolactones
- beta
- polymerization process
- 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
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/823—Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691938139 DE1938139A1 (de) | 1969-07-26 | 1969-07-26 | Verfahren zur Polymerisation von alpha,alpha-Dialkyl-beta-propiolactonen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE753903A true BE753903A (fr) | 1970-12-31 |
Family
ID=5741050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE753903D BE753903A (fr) | 1969-07-26 | 1970-07-24 | Procede de polymerisation d'alpha, alpha-dialcoyl-beta-propiolactones |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE753903A (fr) |
DE (1) | DE1938139A1 (fr) |
FR (1) | FR2053189A1 (fr) |
LU (1) | LU61248A1 (fr) |
NL (1) | NL7010995A (fr) |
-
1969
- 1969-07-26 DE DE19691938139 patent/DE1938139A1/de active Pending
-
1970
- 1970-07-03 LU LU61248D patent/LU61248A1/xx unknown
- 1970-07-24 BE BE753903D patent/BE753903A/fr unknown
- 1970-07-24 NL NL7010995A patent/NL7010995A/xx unknown
- 1970-07-27 FR FR7027666A patent/FR2053189A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE1938139A1 (de) | 1971-02-04 |
NL7010995A (fr) | 1971-01-28 |
LU61248A1 (fr) | 1970-09-10 |
FR2053189A1 (fr) | 1971-04-16 |
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