Method for producing polyarylene sulfide
US8445629B2 · kind B2 · utility
21Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2007 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Oct 25, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G75/0254
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for producing an acid group-containing polyarylene sulfide of the present invention includes a reaction step of reacting a polyhaloaromatic compound (a), an alkali metal hydrosulfide (b), and an alkali metal carboxylate (c) in the presence of a solid alkali metal sulfide and a lithium ion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.