Patent · US Expired

Low gloss thermoplastic composition, method of making, and articles formed therefrom

US7498383B2 · kind B2 · utility

2Cited by
9References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 8, 2005
Grant dateMar 3, 2009
Priority date
Expiry dateMay 2, 2026

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L101/00
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A thermoplastic composition comprises a polycarbonate, a polysiloxane-polycarbonate, and a gel-type low gloss additive, wherein the 60° gloss is measured to be less than or equal to 90 GU according to ASTM D2457. The thermoplastic composition has excellent impact strength and color capability. A method of making the thermoplastic composition, and an article comprising the thermoplastic composition are also disclosed.

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