Back to results
US 11,952,511 B2Granted
Aqueous coating compositions including xanthan gum-based rheology package
AssigneeSwimc LLC
InventorsRandy Chamberlain, Rachael Ilic, Isaac Quinones, Zhiwei Xie
Life of this patent
Estimating the term…
Abstract
An aqueous coating composition may include an aqueous carrier liquid; xanthan gum in an amount between about 0.05 wt. % and 0.5 wt. % of the aqueous coating composition; and a secondary rheology agent comprising at least one of a waterborne clay, a hydrophobically modified alkaline swellable emulsion, a hydrophobically enhanced urethane, a polyether polyol, or a hydrophobically modified ethoxylated aminoplast.
Claims15
An architectural primer or topcoat aqueous coating composition for a substrate, the architectural primer or topcoat aqueous coating composition comprising:
- an aqueous carrier liquid;
- a polymeric binder comprising at least one of a (meth)acrylic latex, a vinyl acrylic latex, or a styrene acrylic latex;
- xanthan gum in an amount between 0.2 wt. % and 0.4 wt. % of the aqueous coating composition;
- a secondary rheology agent present in an amount of 0.2 wt. % to 2.75 wt %, wherein the aqueous coating composition includes about 0.2 wt. % to about 2.5 wt. % of a first secondary rheology agent and 0.1 wt. % to 1 wt. % of a second secondary rheology agent, wherein the secondary rheology agents include a hydrophobically enhanced urethane and a polyether polyol, and
- wherein the substrate is selected from including brick, concrete, stucco, wood, gypsum, metals, alloys, or combinations thereof.
2 more elements
Dependencies are inferred from the claim text.