GB1197366A - Process for the Degassing of Polymers of a beta-Lactone - Google Patents
Process for the Degassing of Polymers of a beta-LactoneInfo
- Publication number
- GB1197366A GB1197366A GB4071468A GB4071468A GB1197366A GB 1197366 A GB1197366 A GB 1197366A GB 4071468 A GB4071468 A GB 4071468A GB 4071468 A GB4071468 A GB 4071468A GB 1197366 A GB1197366 A GB 1197366A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lactone
- degassing
- polyester
- screw
- discharge side
- 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.)
- Expired
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
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)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL137351D NL137351C (fr) | 1968-08-26 | ||
GB4071468A GB1197366A (en) | 1968-08-26 | 1968-08-26 | Process for the Degassing of Polymers of a beta-Lactone |
SE1175369A SE350060B (fr) | 1968-08-26 | 1969-08-25 | |
JP6681269A JPS4928277B1 (fr) | 1968-08-26 | 1969-08-25 | |
FR6929055A FR2016391A1 (en) | 1968-08-26 | 1969-08-25 | Removal of volatiles from polylactones produced by - melt polymerisation |
BE737926D BE737926A (fr) | 1968-08-26 | 1969-08-25 | |
NL6912913A NL6912913A (fr) | 1968-08-26 | 1969-08-25 | |
CH1286069A CH528558A (de) | 1968-08-26 | 1969-08-25 | Verfahren zum Entgasen von B-Lactonhomo- oder -copolymerisaten |
ES370814A ES370814A1 (es) | 1968-08-26 | 1969-08-25 | Un procedimiento para desgasificar una mezcla que contiene un polimero de una beta-lactona. |
DE19691943154 DE1943154B2 (de) | 1968-08-26 | 1969-08-25 | Verfahren zum entgasen eines durch polymerisation oder copolymerisation eines beta-lactons in der schmelze erhaltenen beta-lactonhomo- oder -copolymerisats |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4071468A GB1197366A (en) | 1968-08-26 | 1968-08-26 | Process for the Degassing of Polymers of a beta-Lactone |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1197366A true GB1197366A (en) | 1970-07-01 |
Family
ID=10416256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4071468A Expired GB1197366A (en) | 1968-08-26 | 1968-08-26 | Process for the Degassing of Polymers of a beta-Lactone |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS4928277B1 (fr) |
BE (1) | BE737926A (fr) |
CH (1) | CH528558A (fr) |
DE (1) | DE1943154B2 (fr) |
ES (1) | ES370814A1 (fr) |
FR (1) | FR2016391A1 (fr) |
GB (1) | GB1197366A (fr) |
NL (2) | NL6912913A (fr) |
SE (1) | SE350060B (fr) |
-
0
- NL NL137351D patent/NL137351C/xx active
-
1968
- 1968-08-26 GB GB4071468A patent/GB1197366A/en not_active Expired
-
1969
- 1969-08-25 SE SE1175369A patent/SE350060B/xx unknown
- 1969-08-25 BE BE737926D patent/BE737926A/xx unknown
- 1969-08-25 CH CH1286069A patent/CH528558A/de not_active IP Right Cessation
- 1969-08-25 ES ES370814A patent/ES370814A1/es not_active Expired
- 1969-08-25 DE DE19691943154 patent/DE1943154B2/de active Granted
- 1969-08-25 NL NL6912913A patent/NL6912913A/xx unknown
- 1969-08-25 FR FR6929055A patent/FR2016391A1/fr not_active Withdrawn
- 1969-08-25 JP JP6681269A patent/JPS4928277B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1943154A1 (de) | 1970-03-05 |
DE1943154B2 (de) | 1972-09-28 |
CH528558A (de) | 1972-09-30 |
FR2016391A1 (en) | 1970-05-08 |
JPS4928277B1 (fr) | 1974-07-25 |
ES370814A1 (es) | 1971-08-01 |
BE737926A (fr) | 1970-02-25 |
SE350060B (fr) | 1972-10-16 |
NL137351C (fr) | |
NL6912913A (fr) | 1970-03-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |