Patent · US Expired

Crater resistant acrylic enamel

US4371657A · kind A · utility

16Cited by
12References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 4, 1981
Grant dateFeb 1, 1983
Priority date
Expiry dateMar 4, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31678
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A crater resistant enamel coating composition used for the exterior of trucks and automobiles in which the binder is a blend of PA0 (A) an acrylic polymer having hydroxy groups and contains about 0.1-10% by weight of a polymerized perfluoro carbon constituent of the formula ##STR1## where R is H or CH.sub.3, R.sup.1 is alkyl, R.sup.2 is perfluoro alkyl and n is 0 or 1 and PA0 (B) an aminoplast crosslinking agent such as an alkylated melamine formaldehyde resin. After the composition is applied and baked by conventional techniques, a finish is formed that has an excellent appearance.

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