Aqueous compositions with multi-functional, nitrogenous, organic additive
AssigneeSwimc LLC
InventorsTony A. Rook, Katherine A. Miller, Stacy L. Conte, Kimberly Percival
Life of this patent
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Abstract
Aqueous compositions such as polymeric binder compositions and coating compositions include a carrier liquid, film-forming polymeric binder, and a nitrogenous, organic additive including at least one compound having four nitrogen centers, each nitrogen center linked to at least one other nitrogen center by at least one hydrocarbon linking group. The coating compositions may show improved washability, scrub durability, and dispersion stability and lesser susceptibility to bacterial spoilage than conventional coating compositions that do not contain the nitrogenous, organic additive.
Claims16
1-50. (canceled)
A waterborne architectural coating composition comprising:
- (a) about 7% to about 30% by weight polymer solids of one or more of a film forming polymeric binders selected from the group consisting of acrylic, vinyl acrylic, styrene acrylic, waterborne polyurethane dispersions (PUD), waterborne alkyd binder resins, and waterborne alkyd-PUD hybrid resins;
- (b) about 50 ppm to about 50000 ppm by weight of a nitrogenous, organic preservative including at least one compound comprising four nitrogen centers, each nitrogen center linked to at least one other nitrogen center by at least one saturated divalent hydrocarbon linking group, wherein said nitrogenous, organic additive is a post-addition component of the coating composition and is selected from the group consisting of compounds:
- N,N′-bis(2-aminoethyl)-1,2-ethanediamine, N,N′-bis-(2-aminoethyl)piperazine, N[(2-aminoethyl)2-aminoethyl]piperazine, tris-(2-aminoethyl)amine), and mixtures thereof;
- (c) at least 10% to about 30% by weight titanium dioxide;
- and
- (d) water.
Dependencies are inferred from the claim text.