Process for producing a polyarylene sulfide of excellent handling property and a polyarylene sulfide produced by the process thereof
US4794164A · kind A · utility
37Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1987 |
| Grant date | Dec 27, 1988 |
| Priority date | — |
| Expiry date | Aug 12, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G75/0254
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed herein are a process for producing a high-molecular-weight or ultra-high-molecular-weight granular PAS of an excellent handling property at an inexpensive cost without using a polymerization aid such as an organic acid salt, and a high-molecular-weight or ultra-high-molecular weight granular PAS of an excellent handling property produced by the process thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.