Rohm and Haas Company

Dow Global Technolgoies LLC

Shanghai Institute of Pharmaceutical Industry

Jiangsu Hengyi Pharmaceutical Co., Ltd.

Sinopharm A-think Pharmaceutical Co., Ltd.

Sinopharm A-think Medical and Pharmaceutical Research & Development (beijing) Co., Ltd.

Qingwei Zhang

Xiangting Dong

Han Liu

Ling Li

Wei Cui

Jianming Xu

Tao Wang

Jintao Liu

Junyu Chen

Jianqi Li

Zhen Qian

Caifeng Wang

Yaguang Zhao

Han Lv

Wei Zhang

Shaoguang Feng

Dan Liu

Alvin Michael Maurice

Siyuan Jiang

Longlan Cui

Tingke Zhang

Zhi Juan Gong

Daoshu Lin

Yunfei Lan

Yanfei Liu

Jinyuan Zhang

Jinfei Wang

Shuang Liang

Wangping Cai

Xuzhi Zhu

Jiajing Wang

Zhidan Jia

Yan Luo

Hongping Xu

Danping Ma

Zhijuan Gong

The present invention provides an aqueous dispersion as a biobased binder and an aqueous coating composition comprising such aqueous dispersion and showing balanced stain resistance, freeze-thaw stability, and anti-clogging properties.

Aqueous dispersion and aqueous coating composition

The present invention provides an antimicrobial coating composition comprising (i) a polymer emulsion and (ii) from 20 ppm to 6000 ppm, by dry weight based on total dry weight of the coating composition, a silver, and the polymer emulsion comprises, as polymerized units, (a) ethylenically unsaturated nonionic monomers, and (b) from 0.01% to 20%, by dry weight based on total dry weight of the polymer emulsion, heterocyclic group-containing monomers.

Polymer emulsion and antimicrobial coating composition comprising the same

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 composition comprising an acetoacetoxy functional polymer, a metal pyrithione compound, and TEMPO and/or its derivative, showing less yellowing.

Aqueous polymer composition

An aqueous coating composition having good freeze-thaw stability and providing coatings with good stain resistance.

Aqueous coating composition

A multistage aqueous emulsion polymer comprising from 88% to 98% by dry weight, based on total dry weight of the multistage aqueous emulsion polymer, of a first polymer core; and from 2% to 12% by dry weight, based on total dry weight of the multistage aqueous emulsion polymer, of a second polymer shell, wherein the first polymer core and the second polymer shell each independently comprises, as polymerized units, one or more ethylenically unsaturated nonionic monomers, wherein the second polymer shell further comprises, as polymerized units, from 20% to 60% by dry weight, based on total dry weight of the second polymer shell, of an acid monomer, wherein said acid monomer is, as polymerized units, from 1.1% to 4.2% by dry weight, based on total dry weight of the multistage aqueous emulsion polymer. An aqueous coating composition comprising said multistage aqueous emulsion polymer.

Multistage aqueous emulsion polymer and aqueous coating composition formed therefrom

This invention generally relates to a coating composition which provides a coating film with high hydrophilic resistance and high hydrophobic resistance. The coating composition contains a polymer formed from a monomer composition comprising (a) 45-85 wt % of ethyl ester of acrylic acid or methacrylic acid and (b) 15-54 wt % of itaconic ester with 1 or 2 carbon atoms as a binder of the coating composition, and the weight of sum of (a) and (b) is 65% or more based on the total weight of the polymer.

Coating composition with high hydrophobic resistance and high hydrophilic resistance

A method of producing an aqueous polymer composition and a method of reducing yellowing of an aqueous polymer composition and a coating made therefrom.

The present invention provides an aqueous composition for coating substrates comprising: one or more emulsion copolymer, the emulsion copolymer being a copolymerization product of a monomer mixture comprising a monomer of formula I, 

Aqueous emulsion paint with improved stain removal and anticlogging properties

The present invention provides a polymer dispersion comprising by dry weight based on total dry weight of the polymer particles, a) from 60% to 95% a vinyl acetate monomer, b) from 0.2% to 2.5% a phosphorus-containing allylic monomer; and c) from 0.2% to 2.5% an itaconic acid monomer; wherein the total amount of monomers b) and c) is from 0.5% to 2.5% by dry weight based on total dry weight of the polymer particles, and the dry weight ratio of monomer b) to monomers b) and c) is from 0.2 to 0.6. The present invention further provides a paint formulation of PVC higher than 60% comprising the polymer dispersion.

Poly(vinyl acetate) dispersion, and a paint formulation comprising thereof

An aqueous coating composition having acceptable heat-age stability and providing the resultant coating film with good washability.

The present invention provides a dispersion of polymer particles comprising, as polymerized units, by dry weight based on total dry weight of the polymer particles, from 85% to 99.9% ethylenically unsaturated nonionic monomers, from 0.01% to 4% phosphorous-containing (meth)acrylate monomers, and at least one neutralizer. The final pH of the polymer dispersion is above 6, and from 50% to 100% by mole of the total neutralizers are alcohol amines. The present invention further provides a paint comprising said dispersion. The paint has both satisfactory paint viscosity stability and improved paint performances such as scrub resistance, stain resistance, corrosion resistance and durability.

Polymer dispersion and its application in high pigment volume concentration paints

Provided is a process for forming an antimicrobial polymer composition comprising: contacting together at least one initiator, at least one promoter, at least one reductant, and at least one monomer, under emulsion polymerization conditions to form a base polymer; and mixing with the base polymer an antimicrobial complex; wherein the at least one initiator is a peroxidic compound and the at least one reductant is an ascorbic compound.

Antimicrobial polymer emulsion with improved color stability

The present invention relates to a polymer dispersion of polymer particles comprising phosphorous-containing (meth)acrylate monomers and phosphorus-containing allylic monomers. The present invention further relates to a coating composition made from the polymer dispersion with both satisfactory coating viscosity stability and improved coating performances such as scrub resistance, stain resistance, corrosion resistance and durability.

Polymer dispersion and its application in high pigment volume concentration coatings

The present invention relates generally to an aqueous polymer dispersion and a coating composition made thereof, especially to a 'green' antibacterial polymer dispersion with improved color stability property upon exposure to heat and/or light, and the coating composition made thereof.

Growing community of inventors

Shanghai, China

Qingwei Zhang