Patent · US Expired

Pigmented polycarbonate composition having high impact strength and good cosmetics

US5194495A · kind A · utility

5Cited by
12References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 24, 1992
Grant dateMar 16, 1993
Priority date
Expiry dateJul 24, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L69/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A pigmented thermoplastic molding composition is disclosed comprising PA0 (i) about 90 to 98 percent of an aromatic polycarbonate, PA0 (ii) about 1 to 9 percent of ABS, and PA0 (iii) about 1 to 9 percent of a grafted olefinic copolymer which is a graft polymer of one or more unsaturated dicarboxylic acid or the anhydride of said acid on an olefinic copolymer backbone. The composition is noted to have good mechanical properties and the articles molded therefrom have good cosmetics.

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