Patent · US Expired

Stabilized flame-retardant styrenic polymer compositions and the stabilizing flame-retardant mixtures used therein

US4089912A · kind A · utility

26Cited by
8References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 28, 1976
Grant dateMay 16, 1978
Priority date
Expiry dateJul 28, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S521/907
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

This application discloses stabilized flame-retardant styrenic polymer compositions comprising a bromine-containing flame-retardant, antimony trioxide and a three component stabilizer comprising a dialkyltin maleate, a hindered phenolic antioxidant, and a member selected from the group consisting of anhydrides of a cyclic dicarboxylic acid, ester derivatives thereof, imide derivatives thereof, and monomeric and dimeric polyesters.

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