ES370814A1 - Un procedimiento para desgasificar una mezcla que contiene un polimero de una beta-lactona. - Google Patents
Un procedimiento para desgasificar una mezcla que contiene un polimero de una beta-lactona.Info
- Publication number
- ES370814A1 ES370814A1 ES370814A ES370814A ES370814A1 ES 370814 A1 ES370814 A1 ES 370814A1 ES 370814 A ES370814 A ES 370814A ES 370814 A ES370814 A ES 370814A ES 370814 A1 ES370814 A1 ES 370814A1
- Authority
- ES
- Spain
- Prior art keywords
- lactone
- polyester
- screw
- degassing
- 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
- 238000007872 degassing Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 125000003180 beta-lactone group Chemical group 0.000 title 1
- 229920000642 polymer Polymers 0.000 title 1
- 229920000728 polyester Polymers 0.000 abstract 3
- 238000006116 polymerization reaction Methods 0.000 abstract 2
- 230000007423 decrease Effects 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 239000002667 nucleating agent Substances 0.000 abstract 1
- 239000003381 stabilizer Substances 0.000 abstract 1
- 238000013022 venting Methods 0.000 abstract 1
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)
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 |
|---|---|
| ES370814A1 true ES370814A1 (es) | 1971-08-01 |
Family
ID=10416256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES370814A Expired ES370814A1 (es) | 1968-08-26 | 1969-08-25 | Un procedimiento para desgasificar una mezcla que contiene un polimero de una beta-lactona. |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4928277B1 (enExample) |
| BE (1) | BE737926A (enExample) |
| CH (1) | CH528558A (enExample) |
| DE (1) | DE1943154B2 (enExample) |
| ES (1) | ES370814A1 (enExample) |
| FR (1) | FR2016391A1 (enExample) |
| GB (1) | GB1197366A (enExample) |
| NL (2) | NL6912913A (enExample) |
| SE (1) | SE350060B (enExample) |
-
0
- NL NL137351D patent/NL137351C/xx active
-
1968
- 1968-08-26 GB GB4071468A patent/GB1197366A/en not_active Expired
-
1969
- 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 JP JP6681269A patent/JPS4928277B1/ja active Pending
- 1969-08-25 DE DE19691943154 patent/DE1943154B2/de active Granted
- 1969-08-25 BE BE737926D patent/BE737926A/xx unknown
- 1969-08-25 SE SE1175369A patent/SE350060B/xx unknown
- 1969-08-25 FR FR6929055A patent/FR2016391A1/fr not_active Withdrawn
- 1969-08-25 NL NL6912913A patent/NL6912913A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1197366A (en) | 1970-07-01 |
| BE737926A (enExample) | 1970-02-25 |
| FR2016391A1 (en) | 1970-05-08 |
| JPS4928277B1 (enExample) | 1974-07-25 |
| DE1943154B2 (de) | 1972-09-28 |
| DE1943154A1 (de) | 1970-03-05 |
| NL6912913A (enExample) | 1970-03-02 |
| CH528558A (de) | 1972-09-30 |
| NL137351C (enExample) | |
| SE350060B (enExample) | 1972-10-16 |
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