Graft polymers of polyphenylene ethers
US4797453A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1987 |
| Grant date | Jan 10, 1989 |
| Priority date | — |
| Expiry date | Jun 19, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F283/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Graft polymers of PA0 (A) a polyphenylene ether as a base polymer and PA0 (B) a half ester of an unsaturated dicarboxylic acid of the general formula ##STR1## as a graft monomer, where R.sup.1 is C.sub.1 -C.sub.25 -alkyl, C.sub.2 -C.sub.25 -alkylene or aryl, R.sup.2 and R.sup.3 are each H, Br, Cl or one of the radicals R.sup.1, and Q is H or an alkali metal, an alkaline earth metal or an ammonium cation, with or without PA0 (C) further olefinically unsaturated monomers, and their preparation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.