Composition which is useful for obtaining a matt or satin coating, use of this composition and coating thus obtained
US6627725B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 31, 2001 |
| Grant date | Sep 30, 2003 |
| Priority date | — |
| Expiry date | Jul 31, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2150/20
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a composition, particularly useful in paint. This composition is defined in that it contains, for successive or simultaneous addition:an isocyanate which is at least partially masked, having a glass transition temperature (sometimes denoted by the abbreviation Tg) of at least 20° C., advantageously of at least 40° C., and a degree of liberation at 120° C. of not more than 5%;a polyol having the following characteristics:a glass transition temperature (sometimes denoted by the abbreviation Tg) which is at least equal to about 40° C., advantageously at least equal to about 50° C.;a hydroxyl number at least equal to about 10 mg/g, advantageously at least equal to about 15 mg/g;an average molecular mass Mn at least equal to about 1000 g/mol and advantageously to 2000 g/mol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.