Patent · US Expired

Aqueous thermosetting acrylic enamel

US4164488A · kind A · utility

10Cited by
7References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 3, 1978
Grant dateAug 14, 1979
Priority date
Expiry dateJan 3, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31699
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The aqueous thermosetting acrylic coating composition contains the following film-forming constituents: PA1 (1) an acrylic polymer of styrene and/or methyl methacrylate, an alkyl acrylate or an alkyl methacrylate other than methyl methacrylate, a hydroxy alkyl acrylate or a hydroxy alkyl methacrylate and an .alpha.,.beta.-unsaturated carboxylic acid wherein the polymer has an acid number of 35-150 and a carboxyl/hydroxyl ratio of 1:0.2 to 1:3; and PA1 (2) a water soluble or water dispersible alkylated melamine formaldehyde resin; PA1 The novel coating composition is useful as an exterior finish for automobile and truck bodies.

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