Color plus clear coatings employing polyepoxides and polyacid curing agents in the clear coat
US4681811A · kind A · utility
161Cited by
18References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 1986 |
| Grant date | Jul 21, 1987 |
| Priority date | — |
| Expiry date | Mar 7, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31511
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A color-plus-clear coating system is disclosed. A pigmented or colored base coat is first applied to a substrate followed by the application of a transparent top coat to the base coat. The transparent top coat composition is a liquid crosslinkable composition comprising a polyepoxide and a polyacid curing agent. The polyepoxide-polyacid curing agent in the transparent top coat provides a composite coating with outstanding gloss and distinctness of image making the composite coating particularly useful as an automotive top coat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.