Process for preparing a polyarylene thioether
US4931542A · kind A · utility
2Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1988 |
| Grant date | Jun 5, 1990 |
| Priority date | — |
| Expiry date | Feb 26, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G75/0272
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for preparing a substantially straight-chain polyarylene thioether by polymerizing a diphenyldisulfide of the formula ##STR1## in the presence of a lewis acid catalyst at temperatures of between -20.degree. C. and 50.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.