IP Library Granted Patent US 11,919,982
Granted Patent B2
US 11,919,982 · App. 17/546,126 · Granted Mar 5, 2024

Latexes with phosphoric acid functional resin particles

Inventor: Sepehr M. Tehrani (North York, CA)
C08F212/08C08K5/521C08L25/14C09D11/106C09D11/322C09D11/38
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Quick Facts
Patent No.
US 11,919,982
App. No.
17/546,126
Filed
Dec 9, 2021
Granted
Mar 5, 2024
Kind
B2
Art Unit
1763
USPC
524/147
Abstract

Latex compositions are provided. In embodiments, a latex comprises water and resin particles. The resin particles comprise a polymerization product of reactants comprising one or more types of hydrophobic monomers and one or more types of acidic monomers comprising one or more types of phosphoric acid monomers, wherein a total amount of polymerized acidic monomers in the resin particles is at least about 8 weight % and a total amount of polymerized phosphoric acid monomers in the resin particles is at least about 2 weight %.

Claims (3)

1. A latex comprising water and resin particles consisting of a polymerization product of reactants consisting of styrene; butyl acrylate; one or both of phosphoric acid 2-hydroxyethyl methacrylate ester and bis[2-(methacryloyloxy)ethyl] phosphate; methacrylic acid; an anionic ether sulfate reactive surfactant; a chain transfer agent; an initiator; and optionally, one or both of dioxane/dioxolane monomers and multifunctional monomers.

2. The latex of claim 1 , wherein the latex does not comprise a colorant.

3. The latex of claim 1 , wherein the latex does not comprise boric acid, diglycolic acid, a chelating agent, or combinations thereof.