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US 2019/0292399 A1Published application
Aqueous polymer dispersion and aqueous coating composition comprising the same
OwnerShujun Shu, Yaobang Li +4inventors
InventorsShujun Shu, Yaobang Li, Baoqing Zheng, Jia Tang, Yan Guo, Zhenwen Fu
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Abstract
An aqueous polymer dispersion and an aqueous coating composition comprising the aqueous polymer dispersion, and the aqueous coating composition providing the resulting coatings with good anti-corrosion property.
Claims14
An aqueous polymer dispersion, wherein the polymer comprises as polymerized units, based on the weight of the polymer,
- (a) from 0.5% to 3.2% by weight of a phosphorous-containing acid monomer,
- (b) from 10% to 50% by weight of a cycloalkyl (meth)acrylate,
- (c) from 0.3% to 1.2% by weight of a ureido monomer,
- (d) from 25% to 60% by weight of a soft monomer, and
- (e) a hard monomer;
- wherein the polymer has a weight average molecular weight of 110,000 or less.
3 more elements
The aqueous polymer dispersion of claim wherein the polymer comprises as polymerized units, based on the weight of the polymer, from 20% to 40% by weight of the cycloalkyl (meth)acrylate.
Dependencies are inferred from the claim text.