Process for preparing graft styrene copolymers
US4469847A · kind A · utility
1Cited by
5References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 9, 1983 |
| Grant date | Sep 4, 1984 |
| Priority date | — |
| Expiry date | Feb 9, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F287/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for preparing graft styrene copolymers is effected by a two-stage polymerization of styrene in the presence of an EPDM elastomer and styrene block copolymer. The resultant graft styrene copolymer has a fine microstructure, good impact resistance and good resistance to aging.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.