GB615229A - Improvements in or relating to the production of synthetic rubber - Google Patents
Improvements in or relating to the production of synthetic rubberInfo
- Publication number
- GB615229A GB615229A GB3116/46A GB311646A GB615229A GB 615229 A GB615229 A GB 615229A GB 3116/46 A GB3116/46 A GB 3116/46A GB 311646 A GB311646 A GB 311646A GB 615229 A GB615229 A GB 615229A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mercaptans
- butadiene
- styrene
- tertiary
- polymerization
- 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)
- Polymerisation Methods In General (AREA)
Abstract
Synthetic rubber is made by the polymerization of a polymerizable organic compound having at least one vinyl group in the presence of a minor amount of a blend of tertiary aliphatic mercaptans of different carbon content. Preferably, the mercaptans have 8-16 carbon atoms in the molecule, specified are mixtures of tertiary isomeric dodecyl and tetradecyl or hexadecyl and of tertiary isomeric octyl, dodecyl and tetradecyl mercaptans. Suitable polymerizable compounds are olefines, diolefines, e.g. butadiene, styrene and its derivatives and alkyl esters of acrylic and alkacrylic acids. Preferably, the process comprises the polymerization in aqueous emulsion of butadiene in admixture with another polymerizable compound, e.g. styrene, derivatives thereof, acrylo- and methacrylo-nitriles and methyl and ethyl methacrylates. Examples describe the copolymerization in aqueous emulsion of butadiene and styrene in the presence of soap, potassium persulphate and blends of the tertiary aliphatic mercaptans. The resultant latex is preferably treated with phenyl - b - naphthylamine followed by coagulation.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US615229XA | 1945-02-02 | 1945-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB615229A true GB615229A (en) | 1949-01-04 |
Family
ID=22036311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3116/46A Expired GB615229A (en) | 1945-02-02 | 1946-01-31 | Improvements in or relating to the production of synthetic rubber |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB615229A (en) |
-
1946
- 1946-01-31 GB GB3116/46A patent/GB615229A/en not_active Expired
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