Process for modification of polyphenylene ether or related polymers with a cyclic acid anhydride and the use thereof in modified, high temperature rigid polymer of vinyl substituted aromatics
US5310820A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1992 |
| Grant date | May 10, 1994 |
| Priority date | — |
| Expiry date | Sep 14, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F283/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Process for the manufacture of modified polyphenylene ether or structurally related polymers, comprising the reaction of polyphenylene ether or structurally related polymer with a cyclic acid anhydride, in the presence of a non nucleophilic base, and in an inert polar organic solvent and preferably in a vinyl substituted aromatic monomer as solvent; modified polyphenylene ethers so obtained and use of them for the manufacture of modified high temperature rigid poly(vinyl substituted aromatic) polymer compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.