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US 2020/0270443 A1Published application
Formaldehyde-free curable formulation
AssigneeRohm and Haas Company
InventorYin Xue
Life of this patent
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Abstract
A curable aqueous formulation comprising a) an emulsion polymer with 0.1 to 20 weight percent acid monomers, b) an oxazoline-containing polymer, and c) an aqueous acrylic polymer dispersion with 40 to 100 weight percent acid monomers and having a weight average molecular weight in the range of from 2000 to 500000.
Claims10
A curable aqueous formulation comprising
- a) an emulsion polymer with 0.1 to 20 weight percent acid monomers
- b) an oxazoline-containing polymer;
- and
- c) an aqueous acrylic polymer dispersion with 40 to 100 weight percent acid monomers and having a weight average molecular weight in the range of from 2000 to 500000.
1 more element
A method for forming the curable aqueous formulation comprising the steps of:
- a) emulsion polymerizing at least one mono-ethylenically unsaturated monomer and at least one acid monomer in an aqueous solution to form the emulsion polymer;
- and
- b) adding the oxazoline-containing polymer and the aqueous acrylic polymer dispersion to the emulsion polymer to form the curable aqueous formulation.
Dependencies are inferred from the claim text.