Process for preparing .alpha.-methylstyrene-acrylonitrile polymers
US4874829A · kind A · utility
9Cited by
12References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 1987 |
| Grant date | Oct 17, 1989 |
| Priority date | — |
| Expiry date | May 22, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F212/12
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method of forming polymers containing .alpha.-methylstyrene and acrylonitrile by polymerizing, preferably continuously, under off-azeotrope conditions to vastly improve rate without substantially changing the content of .alpha.-methylstyrene in the polymer being formed from that obtained under azeotrope conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.