Adsorbing vinyl ester binders
US9676932B2 · kind B2 · utility
0Cited by
7References
5Claims
0Family size
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Key dates
| Filing date | Aug 2, 2012 |
| Grant date | Jun 13, 2017 |
| Priority date | — |
| Expiry date | Aug 2, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2201/54
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a composition of a stable aqueous dispersion of polymer particles comprising structural units of a) vinyl acetate; b) a vinyl ester of a branched carboxylic acid monomer; and c) a phosphorus acid monomer. The composition of the present invention provides vinyl ester/phosphorus acid based polymer particles that improve hiding efficiency in pigmented coatings formulations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.