Rohm and Haas Company

Dow Global Technolgoies LLC

Ucar Emulsion Systems Fze

Yujiang Wang

Jianming Xu

Caifeng Wang

Hui Liu

Dong Yun

Siyuan Jiang

Ling Li

Shaoguang Feng

Tao Wang

Baoqing Zheng

Xiangting Dong

Yawei Xu

Jiguang Zhang

Shiling Zhang

Jinyuan Zhang

Fengzhe Shi

Yunfei Lan

Shouxue Guo

Jing Liu

James Charles Bohling

Hongyu Chen

Lei Huang

Yan Wu

Alvin Michael Maurice

Junyu Chen

Xiaohong Yang

Han Liu

Peng Xu

Juan Zhao

Longlan Cui

Jian Sun

Jia Tang

Ravi Mukkamala

Fei Guo

Shujun Shu

Yuehan Hu

Youjun Wu

Liqiang Fan

Brough Richey

Lukasz Zukowski

Fengkun Chen

Khaled Abou Ghoneim

Rui Wang

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.

Aqueous polymer dispersion and aqueous coating composition comprising the same

An aqueous dispersion comprising a silicone-acrylic polymer with reduced coagulum, a process of preparing the aqueous dispersion, and an aqueous coating composition comprising the aqueous dispersion and providing coatings with improved corrosion resistance.

Aqueous polymer dispersion and process of making the same

A multicolor dispersion comprising a protective composition and two or more colorant dispersions, wherein the protective composition comprises (1) an aqueous dispersion of polymer particles comprising from 89% to 99.45% by weight, based on the total dry weight of the protective composition, of polymer particles, wherein said aqueous dispersion of polymer particles further comprises from 0.33% to 2% by weight, based on the total dry weight of the polymer, of an anionic stabilizer monomer represented by the following Formula I, wherein Ris a linkage group between Rand a vinyl group, Ris ethylene or propene or butylene, n is from 0 to 50, M is a counter salt of potassium, sodium, ammonium or lithium; wherein said aqueous dispersion of polymer particles further comprises from 0.33% to 5% by weight, based on the total dry weight of the polymer, of a non-reactive anionic surfactant having an ethylene oxide chain length of less than 11; and (2) from 0.5% to 10% by weight, based on the total dry weight of the protective composition, of a clay.

Multicolor dispersion and multicolor coating composition formed therefrom

An aqueous coating composition having a long pot life, a process for preparing such coating composition, and a method of preparing coatings having good adhesion to a substrate.

Aqueous coating composition

The present invention relates to a benzophenone derivative and an aqueous copolymer dispersion comprising the benzophenone derivative. This invention also relates to an aqueous coating composition comprising the aqueous copolymer dispersion. The benzophenone derivative provides better crosslinking efficiency and improvement to dirt pick up resistance performance.

Benzophenone derivative, aqueous copolymer dispersion and aqueous coating composition

A method of preparing a polymer dispersion comprising (i) contacting an aqueous dispersion of de-ionized acidic colloidal silica particles with a first mixture of monomers to form a combination; (ii) polymerizing such combination at an initial pH of from 2 to 5 to at least 90% in completion; and (iii) adding a second mixture of monomers at a rate substantially equal to the rate of consumption of such second mixture of monomers to continue and complete the polymerization. The present invention further provides a polymer dispersion made from the above method.

Method for preparation of a stable polymer dispersion with colloidal silica particles

An aqueous polymer composition comprising a multiethylenically unsaturated carboxylic acid monohydrazide and a keto-functionalized polymer, and an aqueous coating composition comprising such aqueous polymer composition and providing coatings with improved water resistance and alcohol resistance without compromising early block resistance.

Aqueous polymer composition

This invention relates to a process for preparing multi-color dispersions and the multi-color dispersions made thereof.

Process for preparing multi-color dispersions and multi-color dispersions made thereof

The present invention provides a novel aqueous coating composition comprising a multi-stage aqueous emulsion polymer, an anionic colloidal silica, and a thickener. This novel aqueous coating composition provides low gloss, while maintaining good physical stability and transparency.

Aqueous coating composition and process of making the same

The present invention provides a coating composition comprising a polymer binder and from 1% to 40% by dry weight based on total dry weight of the coating composition, titanium dioxide particles, wherein the polymer binder comprises, as polymerized units, by dry weight based on total dry weight of the polymer binder, from 50% to 99%, ethylenically unsaturated nonionic monomers, and from 1% to 5%, a vinyl functionalized benzotriazole.

Polymer dispersion for durable coating, and the coating comprising the same

The present invention further provides a binder composition comprising a first binder and a second binder. The first binder comprises, by dry weight based on total dry weight of the binder composition, from 1% to 98% polymer particles, from 0.3% to 20% an anionic polyelectrolyte, and from 0.1% to 20% a colorant; and the second binder comprises, by dry weight based on total dry weight of the binder composition, from 0.5% to 70% a clay, and from 0.03% to 10% a dispersant. It also provides a paint formulation comprising the binder composition.

Binder composition and a paint formulation made thereof

This invention relates to a process for preparing color dispersions comprising a first step of contacting water, a first colorant, and a polysaccharide selected from methylcellulose, hydropropylmethylcellulose, hydroxyethylmethylcellulose, hydroxybutylmethylcellulose, hydroxyethylethylcellulose, and the mixture thereof, to form a first colorant dispersion; a second step of contacting the first colorant dispersion with a protective composition comprising an aqueous dispersion of polymer particles, clay, and a peptizing agent to form a dispersion of protected first colorant particles; an optional third step of repeating the first step and the second step with a second colorant that is different from the first colorant to form a dispersion of protected second colorant particles; and an optional fourth step of mixing the dispersions of protected first and second colorant particles to form a multi-color dispersion. This invention also relates to a color dispersion comprising the first colorant dispersion, and a color coating comprising the color dispersion.

Process for preparing transparent/semi-transparent color dispersions and the color dispersions made thereof

The present invention provides a paint formulation comprising a binder dispersion and a hydrophobically modified alkali-swellable emulsion. The wet weight ratio of the binder dispersion to the hydrophobically modified alkali-swellable emulsion is from 1:3 to 1:10. The binder dispersion comprises by dry weight based on total dry weight of the binder dispersion, from 0.1% to 80% of polymer particles, and from 0.1% to 5% of a polysaccharide; and the hydrophobically modified alkali-swellable emulsion comprises by dry weight based on total dry weight of the hydrophobically modified alkali-swellable emulsion, from 30% to 50% of an &#x3b1;,&#x3b2;-ethylenically unsaturated carboxylic acid monomer, and from 30% to 60% of an &#x3b1;,&#x3b2;-ethylenically unsaturated nonionic monomer. The present invention further provides a process for preparing the paint formulation comprising mixing the binder dispersion with the hydrophobically modified alkali-swellable emulsion under stirring.

Paint formulation and the process of making thereof

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Shanghai, China

Yujiang Wang