Latex formulation with a multivalent metal ion
US10683396B2 · kind B2 · utility
0Cited by
7References
10Claims
0Family size
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Key dates
| Filing date | Jul 17, 2018 |
| Grant date | Jun 16, 2020 |
| Priority date | — |
| Expiry date | Feb 27, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2003/2296
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to composition and an article prepared by applying the composition to paper. The composition comprises an aqueous dispersion of acrylic or styrene acrylic polymer particles having a hard phase and a soft phase, wherein both phases comprise structural units of an specific acid monomer. The composition further includes sub-stoichiometric levels of a Zn++ or Zr++++ with respect to the carboxylic acid groups. The composition is useful as imparting block and tack resistance as a coating on paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.