Remediation of yellowing in a coatings formulation containing a sorbate ester or a sorbamide coalescent
US9714359B2 · kind B2 · utility
1Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2015 |
| Grant date | Jul 25, 2017 |
| Priority date | — |
| Expiry date | Jul 3, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D7/63
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention is a composition comprising a stable aqueous dispersion of polymer particles and a sorbate ester, which is a liquid at 20° C. and has a molecular weight in the range of 125 to 500 g/mol. The composition of the present invention provides a way to enhance film formation of coatings prepared using relatively high Tg latexes without the aid of high volatile organic content (VOC) coalescents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.