Chip resistant coatings

Details Chip resistant coatings Chip resistant coatings

1987-05-14

1989-02-14

Herbert, Thomas J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428335, 428413, 428457, 525 38, 525109, 525113, B32B 1508, B32B

Patent

active

048045810

ABSTRACT:
A coated article having improved chip resistance and a method of providing such a chip resistant coated article are disclosed. The article includes a metal substrate, a coating layer of an elastomer-modified epoxy derived from a polyepoxide and from 5 to 35 percent by weight of a functionally-terminate diene-containing polymer, and a carboxyl-functional material having a carboxyl-functionality of at least two such as a carboxyl-functional polyester, a carboxyl-functional acrylic polymer or a di- or polycarboxylic acid, and at least one additional coating layer having a different composition than the elastomer-modified epoxy containing layer.

REFERENCES:
patent: 4176142 (1979-11-01), Lewis et al.
patent: 4419487 (1983-12-01), Rome
patent: 4581293 (1986-04-01), Saunders
English Translation Japanese Patent No. 55-84371, 6-1980, Ebara et al. pp. 1-10.
English Translation Japanese Patent No. 60-250075; 12-1985, Tan et al., pp. 1-16.

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