Styrenic tetrapolymer
US4298716A · kind A · utility
4Cited by
6References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 3, 1980 |
| Grant date | Nov 3, 1981 |
| Priority date | — |
| Expiry date | Apr 3, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L55/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A tetrapolymer of .alpha.-methylstyrene, styrene, maleic anhydride and acrylonitrile is prepared by mass/suspension batch process without the need for staged late addition of monomers. The tetrapolymer is useful as a replacement for SAN as diluent in the preparation of ABS-type polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.