Process for the production of chemically resistant coatings
US4609572A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1985 |
| Grant date | Sep 2, 1986 |
| Priority date | — |
| Expiry date | Apr 4, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D175/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention is directed to a process for applying a chemically resistant coating to a substrate which entails coating a substrate with a composition containing PA1 (a) a liquid polyisocyanate component which is present in an amount sufficient to provide an isocyanate index for said composition of at least 30, PA1 (b) a polyol component containing at least one organic polyhydroxyl compound having an alcoholic hydroxyl group content of about 0.5 to 15% by weight, PA1 (c) water in a quantity of from 20 to 60% by weight, based on the weight of component (b), PA1 (d) glycerine in a quantity of about 40 to 200% by weight, based on the weight of component (b), and PA1 (e) at least one alkaline earth metal hydroxide or oxide in a quantity of about 50 to 1000% by weight, based on the weight of the glycerine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.