Patent · US Expired

Impact resistant polyphenylene ether resin compositions containing EPDM rubber-modified alkenyl aromatic resins and hydrogenated radial teleblock copolymers

US4139574A · kind A · utility

17Cited by
6References
38Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 28, 1977
Grant dateFeb 13, 1979
Priority date
Expiry dateNov 28, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S525/905
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Novel compositions are disclosed which include a polyphenylene ether resin, an alkenyl aromatic resin modified with an EPDM rubber, and a hydrogenated radial teleblock copolymer. Also included within the scope of this invention are reinforced and flame-retardant compositions of said polyphenylene ether resin, said alkenyl aromatic resin modified with an EPDM rubber, and said hydrogenated radial teleblock copolymer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.