Aromatic sulfide/sulfone polymer production
US5086163A · kind A · utility
18Cited by
11References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 1991 |
| Grant date | Feb 4, 1992 |
| Priority date | — |
| Expiry date | Mar 22, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G75/0259
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process is provided for the production of aromatic sulfide/sulfone polymers which comprises contacting under suitable polymerization reaction conditions: (1) at least one dihaloaromatic sulfone, (2) water, and (3) a complex comprising at least one alkali metal hydrosulfide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.