Patent · US Active

Flame retardant polycarbonate compositions, methods of manufacture thereof and articles comprising the same

US8895649B2 · kind B2 · utility

21Cited by

49References

22Claims

0Family size

Assignee

SABIC GLOBAL TECHNOLOGIES B.V. · NL

Inventors

Mingfeng Li · Lo Wu, CN
Liang Wen · Shanghai, CN
Wei Shan · Shanghai, CN
Yuzhen Xu · Shanghai, CN
Jian Yang · State College, US

Key dates

Filing date	May 24, 2013
Grant date	Nov 25, 2014
Priority date	—
Expiry date	May 24, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2205/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Disclosed herein is a flame retardant composition comprising 10 to 90 weight percent of a linear polycarbonate; 5 to 50 weight percent of a polysiloxane-polycarbonate copolymer; where the polysiloxane-polycarbonate copolymer comprises 10 weight percent or more of polysiloxane and where the molecular weight of the polysiloxane is 30,000 grams per mole or greater; and 1 to 20 weight percent of a phosphazene compound; where all weight percents are based on the total weight of the composition.

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