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US 11,021,629 B2Granted
Rapid set aqueous coating
AssigneeBASF SE
InventorsSridhar G. Iyer, Randall Petrie, Michael A. Guibault
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Abstract
Two-part aqueous coating compositions as well as methods of using thereof are described. The first coating component can comprise one or more polymers and the second coating component can comprise a flocculant. The first coating component and the second coating component can be provided as separate aqueous compositions. The first coating component and a second coating component that can be co-applied (e.g., simultaneously or sequentially) to a surface form a rapid set coating.
Claims20
A two-part aqueous coating composition, comprising:
- a first coating component comprising a first polymer having a Tg of at least −28° C.;
- and
- a second coating component comprising a flocculant, wherein the flocculant does not include a charged polymer,
- wherein the weight ratio of the dry weight of flocculant in the second coating component to the dry weight of polymer in the first coating component is from 0.1:16 to 0.3:16.
1 more element
Dependencies are inferred from the claim text.