Latex paint compositions and coatings
US7041727B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 25, 2002 |
| Grant date | May 9, 2006 |
| Priority date | — |
| Expiry date | Nov 10, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L71/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A latex paint composition comprises (a) a polymer having interpolymerized units that comprise units derived from styrene, methyl styrene, vinyl, or combinations thereof and units derived from one or more acrylates, methacrylates, acrylonitrile, or combinations thereof, (b) hiding pigment, (c) non-cellulosic thickener, and (d) at least about 0.05 weight per volume percent fluorochemical acrylic polymer additive comprising (1) at least one perfluoroalkyl moiety selected from the group consisting of heptafluoropropanesulfonamido, nonafluorobutanesulfonamido, undecafluoropentanesulfonamido, and tridecafluorohexanesulfonamido moieties and (2) at least one polyoxyalkylene block comprising at least one alkyleneoxy moiety. Also, methods for providing paint coatings with such compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.