Dow Global Technolgoies LLC

Rohm and Haas Company

Dow Silicones Corporation

Zhi Juan Gong

James Charles Bohling

Yan Li

Tao Wang

Xiangting Dong

Junyu Chen

Yuehan Hu

Ling Li

Cheng Shen

Han Liu

Dan Liu

Yan Wu

Wei Cui

Zhihua Liu

Hui Liu

Qingwei Zhang

Dong Yun

Baoqing Zheng

Jia Tang

Han Lv

Changkun Piao

Hengtong Wei

A multistage emulsion polymer comprising a first polymer and a second polymer comprising structural units of a nitrogen-containing heterocyclic monomer at specific weight ratios of the first polymer to the second polymer and a Tg difference between the first and second polymers; the multistage emulsion polymer suitable for use in coating applications to provide coating films with improved dirt pick-up resistance without compromising film formation properties.

Multistage emulsion polymer and process of preparing the same

An aqueous dispersion of polymeric particles comprising a specific emulsion polymer and a hydroxyl-terminated polysiloxane, and an aqueous coating composition comprising the aqueous dispersion providing coatings made therefrom with improved water resistance, anti-corrosion, and water repellency properties.

Aqueous dispersion of polymeric particles

An aqueous dispersion comprising a multistage polymer comprising a first polymer and a second polymer that comprises structural units of an ethylenically unsaturated siloxane monomer, the multistage polymer comprising, by weight based on the weight of the multistage polymer, 4.5% or more of structural units of the ethylenically unsaturated siloxane monomer, and the coagulum content of the aqueous dispersion is less than 2,000 ppm after filtration through a 44 micron sieve.

Aqueous polymer dispersion and process of making the same

An aqueous dispersion of multistage polymer particles comprising a specific oligomer prepared from polymerization of monomers comprising an alkoxylated (meth)acrylate providing aqueous coating compositions with both good flow-and-leveling property and extended open time.

Aqueous dispersion of multistage polymer particles and process of making the same

An aqueous dispersion of polymeric particles comprising an emulsion polymer and a polyalkylene oxide with a weight average molecular weight in the range of 450 to 1,500 g/mole, and an aqueous coating composition with low VOCs comprising the aqueous dispersion and providing coatings made therefrom with improved water whitening resistance and hardness.

A stable aqueous dispersion of multi-stage polymeric particles comprising a polymer and an oligomer, and an aqueous freeze-thaw stable coating composition comprising the aqueous dispersion providing coatings made therefrom with acceptable scrub resistance.

Aqueous dispersion of multi-stage polymeric particles and process of making the same

An aqueous polymer dispersion, a process of preparing the aqueous polymer dispersion, and an aqueous coating composition comprising the aqueous polymer dispersion and providing coatings with improved water repellency and/or improved hydrophobic stain resistance without compromising hydrophilic stain resistance.

Aqueous polymer dispersion

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Zhi Juan Gong