Patent · US Expired

Flame retardant thermoplastic resin composition containing styrene polymer as compatabilizer and oxaphospholane compound as flame retardant

US6838497B2 · kind B2 · utility

5Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 29, 2002
Grant dateJan 4, 2005
Priority date
Expiry dateSep 17, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L81/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention relates to a flame retardant thermoplastic resin composition that comprises (A) about 40 to 95 parts by weight of a rubber modified styrene-containing resin, (B) about 5 to 60 parts by weight of polyphenylene ether resin, (C) about 2 to 30 parts by weight of a styrene-containing copolymer resin having about 5 to 18 % by weight of acrylonitrile in the copolymer per 100 parts by weight of the sum of (A) and (B), (D) about 0.5 to 20 parts by weight of an oxaphospholane compound per 100 parts by weight of the sum of (A) and (B), and (E) about 0 to 30 parts by weight of a phosphoric acid ester compound per 100 parts by weight of the sum of (A) and (B).

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