GB588824A - Improved process for the production of copolymers - Google Patents
Improved process for the production of copolymersInfo
- Publication number
- GB588824A GB588824A GB848244A GB848244A GB588824A GB 588824 A GB588824 A GB 588824A GB 848244 A GB848244 A GB 848244A GB 848244 A GB848244 A GB 848244A GB 588824 A GB588824 A GB 588824A
- Authority
- GB
- United Kingdom
- Prior art keywords
- catalyst
- acrylonitrile
- added
- specified
- carried out
- 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
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F36/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F36/04—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Conjugated dienes of 4 to 6 C atoms are copolymerized with acrylonitrile, or meth- or chlor-acrylonitrile in solution in an inert solvent at temperatures of 60-80 DEG C. in the presence of a polymerization catalyst, the process being carried out to obtain a 60 per cent conversion. As solvents, carbon disulphide, ethylene dichloride, methyl ethyl ketone, benzene and "Solvesso" (Registered Trade Mark) are specified. The catalyst specified is benzoyl peroxide; promoters such as maleic anhydride and lead tetraethyl may be added. The catalyst and solvent may be added in increments. The copolymer may be separated by adding alcohol, drum drying or steam stripping and stabilized by adding phenyl betanaphthylamine or hydroquinone. Vulcanization may be carried out by heating in the presence of coal tar softener, rosin, ozokerite wax, stearic acid, zinc oxide, benzothiazyl disulphide, diphenyl guanidine, channel black and sulphur.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB848244A GB588824A (en) | 1944-05-04 | 1944-05-04 | Improved process for the production of copolymers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB848244A GB588824A (en) | 1944-05-04 | 1944-05-04 | Improved process for the production of copolymers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB588824A true GB588824A (en) | 1947-06-04 |
Family
ID=9853311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB848244A Expired GB588824A (en) | 1944-05-04 | 1944-05-04 | Improved process for the production of copolymers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB588824A (en) |
-
1944
- 1944-05-04 GB GB848244A patent/GB588824A/en not_active Expired
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