Method for preparing monovinyl aromatic monomer-acrylonitrile copolymer
US4068064A · kind A · utility
13Cited by
11References
4Claims
0Family size
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Key dates
| Filing date | Jun 4, 1976 |
| Grant date | Jan 10, 1978 |
| Priority date | — |
| Expiry date | Jun 4, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F212/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Improved monovinyl aromatic monomer-acrylonitrile copolymers are prepared by polymerizing at temperatures above 80.degree. C in the presence of certain free radical initiators, the resultant polymers are prepared at high rates of conversion, have relatively high heat distortion temperatures, have a low oligomer content and generate relatively little additional acrylonitrile under fabrication conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.