Aqueous thermosetting acrylic enamel
US4164488A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 3, 1978 |
| Grant date | Aug 14, 1979 |
| Priority date | — |
| Expiry date | Jan 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.