Patent · US Expired

Abrasion resistant silicone coated polycarbonate article having an acrylic primer layer containing a U.V. absorbing compound

US4353965A · kind A · utility

21Cited by
10References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 21, 1979
Grant dateOct 12, 1982
Priority date
Expiry dateDec 21, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31667
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A shaped, non-opaque coated polycarbonate article having improved abrasion and chemical solvent resistance comprising a polycarbonate substrate having disposed on the surface thereof a non-opaque primer layer comprised of from about 25 to about 85 weight percent of a thermoset acrylic polymer and from about 15 to about 75 weight percent of at least one ultraviolet light absorbing compound, and disposed on said primer layer a non-opaque top coat comprised of a thermoset organopolysiloxane.

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