CH546264A - Verfahren zur kontinuierlichen massenpolymerisation eines (beta)-lactons. - Google Patents
Verfahren zur kontinuierlichen massenpolymerisation eines (beta)-lactons.Info
- Publication number
- CH546264A CH546264A CH343970A CH546264DA CH546264A CH 546264 A CH546264 A CH 546264A CH 343970 A CH343970 A CH 343970A CH 546264D A CH546264D A CH 546264DA CH 546264 A CH546264 A CH 546264A
- Authority
- CH
- Switzerland
- Prior art keywords
- lactone
- beta
- bulk polymerization
- continuous bulk
- continuous
- 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
- C08G63/785—Preparation processes characterised by the apparatus used
-
- 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)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL696903704A NL140261B (nl) | 1969-03-10 | 1969-03-10 | Werkwijze voor het continu polymeriseren van beta-lactonen. |
Publications (1)
Publication Number | Publication Date |
---|---|
CH546264A true CH546264A (de) | 1974-02-28 |
Family
ID=19806369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH343970A CH546264A (de) | 1969-03-10 | 1970-03-09 | Verfahren zur kontinuierlichen massenpolymerisation eines (beta)-lactons. |
Country Status (9)
Country | Link |
---|---|
US (1) | US3669940A (xx) |
AU (1) | AU1231470A (xx) |
BE (1) | BE747053A (xx) |
CH (1) | CH546264A (xx) |
DE (1) | DE2011063A1 (xx) |
ES (1) | ES377293A1 (xx) |
FR (1) | FR2037819A5 (xx) |
GB (1) | GB1261153A (xx) |
NL (1) | NL140261B (xx) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4145330A (en) * | 1977-11-14 | 1979-03-20 | Ethyl Corporation | Flame retardant polypivalolactone compositions |
US4226757A (en) * | 1979-07-17 | 1980-10-07 | Ethyl Corporation | Polypivalolactone polymer blends |
EP1401570B1 (en) | 2001-06-13 | 2007-08-15 | BETA Technologie AG | Bulk polymerization reactors and methods for polymerization |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL121429C (xx) * | 1960-12-12 | |||
NL6508040A (xx) * | 1965-06-23 | 1966-12-27 |
-
1969
- 1969-03-10 NL NL696903704A patent/NL140261B/xx unknown
- 1969-10-09 US US864990A patent/US3669940A/en not_active Expired - Lifetime
-
1970
- 1970-03-09 FR FR7008324A patent/FR2037819A5/fr not_active Expired
- 1970-03-09 ES ES377293A patent/ES377293A1/es not_active Expired
- 1970-03-09 AU AU12314/70A patent/AU1231470A/en not_active Expired
- 1970-03-09 DE DE19702011063 patent/DE2011063A1/de active Pending
- 1970-03-09 GB GB01136/70A patent/GB1261153A/en not_active Expired
- 1970-03-09 CH CH343970A patent/CH546264A/xx not_active IP Right Cessation
- 1970-03-09 BE BE747053D patent/BE747053A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ES377293A1 (es) | 1973-02-01 |
NL140261B (nl) | 1973-11-15 |
AU1231470A (en) | 1971-09-16 |
BE747053A (fr) | 1970-09-09 |
DE2011063A1 (de) | 1970-09-24 |
FR2037819A5 (xx) | 1970-12-31 |
GB1261153A (en) | 1972-01-26 |
US3669940A (en) | 1972-06-13 |
NL6903704A (xx) | 1970-09-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |