GB2002398A - alpha -METHYL STYRENE- NITRILE-DIENE RUBBER GRAFT POLYMERISATION - Google Patents
alpha -METHYL STYRENE- NITRILE-DIENE RUBBER GRAFT POLYMERISATIONInfo
- Publication number
- GB2002398A GB2002398A GB7832269A GB7832269A GB2002398A GB 2002398 A GB2002398 A GB 2002398A GB 7832269 A GB7832269 A GB 7832269A GB 7832269 A GB7832269 A GB 7832269A GB 2002398 A GB2002398 A GB 2002398A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alpha
- diene rubber
- nitrile
- styrene
- methyl styrene
- 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.)
- Granted
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
- C08F279/00—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
- C08F279/02—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00 on to polymers of conjugated dienes
- C08F279/04—Vinyl aromatic monomers and nitriles as the only monomers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Graft Or Block Polymers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Alpha-methylstyrene and a copolymerisable nitrile monomer, such as acrylonitrile, are grafted onto a spine of a diene rubber (containing at least 30% small particle size rubber) such as polybutadiene or poly- (butadiene-styrene) (up to 50%, of the alpha-methylstyrene may be replaced by styrene) in aqueous phase using an anionic emulsifier and a water-soluble free-radical polymerization initiator, such as a persulfate. The resultant graft polymer possesses good heat distortion temperature and a good balance between tensile strength, impact strength, and flow.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82446777A | 1977-08-15 | 1977-08-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2002398A true GB2002398A (en) | 1979-02-21 |
GB2002398B GB2002398B (en) | 1982-03-10 |
Family
ID=25241477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7832269A Expired GB2002398B (en) | 1977-08-15 | 1978-08-04 | Graft polymer |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5452194A (en) |
DE (1) | DE2835291C2 (en) |
FR (1) | FR2400529A1 (en) |
GB (1) | GB2002398B (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2908661A (en) * | 1957-01-11 | 1959-10-13 | Borg Warner | Polymerization of acrylonitrile-alpha methyl styrene mixtures onto polybutadiene and products produced thereby |
DE1252902B (en) * | 1963-07-30 | 1967-10-26 | Bayer Ag | Process for the production of graft polymers |
-
1978
- 1978-08-04 GB GB7832269A patent/GB2002398B/en not_active Expired
- 1978-08-11 FR FR7823787A patent/FR2400529A1/en active Pending
- 1978-08-11 DE DE19782835291 patent/DE2835291C2/en not_active Expired
- 1978-08-14 JP JP9895978A patent/JPS5452194A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5452194A (en) | 1979-04-24 |
JPS5523854B2 (en) | 1980-06-25 |
DE2835291A1 (en) | 1979-02-22 |
GB2002398B (en) | 1982-03-10 |
DE2835291C2 (en) | 1982-06-09 |
FR2400529A1 (en) | 1979-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |