Non-aqueous dispersion for alkyd formulation
US5491192A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 28, 1991 |
| Grant date | Feb 13, 1996 |
| Priority date | — |
| Expiry date | Aug 28, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D167/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A non-aqueous dispersion for modifying alkyd-containing coating formulations and a method for manufacturing the non-aqueous dispersion are provided. The non-aqueous dispersion contains from about 10 to about 60 parts by weight of a low molecular weight solution polymer, having a selected glass transition temperature greater than about -10.degree. C., and from about 90 to about 40 parts by weight of a polymer which is insoluble in the non-aqueous medium, and where the soluble polymer is attached to or adsorbed onto the insoluble polymer particles. The non-aqueous dispersion is preferably prepared by dispersion polymerization to form the insoluble polymer in a non-aqueous medium in the presence of the soluble polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.