Abrasion resistant silicone coated polycarbonate article having an acrylic primer layer containing a U.V. absorbing compound
US4353959A · kind A · utility
31Cited by
13References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1979 |
| Grant date | Oct 12, 1982 |
| Priority date | — |
| Expiry date | Dec 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 screening compound, and disposed on said primer layer a non-opaque top coat comprised of a colloidal silica filled thermoset organopolysiloxane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.