Copolymers of amine-terminated polymers and ortho ester-capped polyphenylene ethers
US5115042A · kind A · utility
19Cited by
1References
23Claims
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Key dates
| Filing date | Jul 9, 1991 |
| Grant date | May 19, 1992 |
| Priority date | — |
| Expiry date | Jul 9, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/905
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Ortho ester-capped polyphenylene ethers are prepared by the reaction of a polyphenylene ether with a reactive compound containing an ortho ester group, preferably a 4-(2-methoxy-2-methyl-1,3-dioxolan-4-yl)methyl group. Chlorotriazines containing the ortho ester substituent are particularly preferred as capping agents. The capped polyphenylene ethers form copolymer-containing compositions with polyamides and other polymers containing amine groups, particularly in the presence of a Lewis acid as catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.