Patent · US Expired

Modified flame retardant polyphenylene ether resins having improved foamability and molded articles made therefrom

US4695594A · kind A · utility

23Cited by
14References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 27, 1986
Grant dateSep 22, 1987
Priority date
Expiry dateAug 27, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S264/83
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Polyphenylene ether compositions rendered flame retardant with bromine-containing compounds can be foam molded into shaped articles free of streaking and without the generation of odors if the foaming agent comprises citric acid and sodium bicarbonate.

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