Process for the preparation of copoly(arylene sulfide) with aromatic nitro compound catalyst
US4792600A · kind A · utility
19Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 9, 1987 |
| Grant date | Dec 20, 1988 |
| Priority date | — |
| Expiry date | Nov 9, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G75/0263
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for preparing a copoly(arylene sulfide) corresponding to the structure EQU [(--A--S--).sub.1-x (--A--S--S--).sub.x ].sub.n wherein x is in the range of 0.5 to 0.001 by reacting a mixture of a diiodoaromatic compound and elemental sulfur in the presence of a catalytic amount of an aromatic nitro compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.