Dow Global Technolgoies LLC

Blue Cube IP LLC

Yanli Feng

Yi Zhang

Yu Chen

Nan Wang

Wei Du

Yu Wang

Shaoguang Feng

Chao Zhang

Andreas Lutz

Gary Lee Jialanella

Rajat Duggal

Rui Xie

Weijun Zhou

Xiangyang Tai

Glenn G Eagle

Luigi L Bertucelli

Rajesh H Turakhia

Yonghua Gong

Eric E Cole

Huan Chen

Xiaolian Hu

Davide Micheletti

Biao Ma

Qiubai Peng

Shihao Qin

Yibei Gu

Lejun Qi

Zhidong Sheng

Demei Xie

QiQi Tang

Ling Ling

Kunpeng Guo

Xiaohuan Wan

Chen Zheng

A non-solvent two-component polyurethane artificial leather composition is provided. The polyurethane composition comprises (A) a polyurethane-prepolymer component, comprising one or more polyurethane-prepolymers prepared by reacting at least one polyisocyanate compound with at least one first polyol, wherein the polyurethane-prepolymer comprises at least two free isocyanate groups; and (B) a polyol component, comprising at least one second polyol; wherein the polyol component further comprises an encapsulated foaming agent comprising at least one foaming core phase encapsulated within an outer shell. The polyurethane leather product derived from the polyurethane composition exhibits enhanced stability, mild bubble generation and improved cost effectiveness. A polyurethane leather product prepared with said composition and the method for preparing the same are also provided.

Non-solvent 2K polyurethane artificial leather composition, artificial leather prepared with same and preparation method thereof

A waterborne polyurethane dispersion is provided. The waterborne polyurethane dispersion is prepared by using a tri-functionality polyether polyol as part of the polyols for forming the prepolymer and a hydrophilic amino siloxane co-chain extender, and can exhibit superior performance properties such as enhanced color fastness, improved low temperature stability, good anti-stickiness, bally flex resistance, anti-abrasion and mechanical properties. A laminated synthetic leather article prepared with said waterborne polyurethane dispersion as well the method for preparing the synthetic leather article are also provided.

Waterborne polyurethane dispersion and method for preparing the same

A polyisocyanate component, a polyurethane foaming system, and an article made therefrom, wherein the polyisocyanate component includes (a) a preformed mixture including an aromatic oxazolidone compound that is the reaction product of at least one aromatic epoxide and at least one first polyisocyanate having an average isocyanate functionality of no more than 2.7 and greater than 1.8, in the presence of at least one catalyst, the aromatic oxazolidone compound includes at least one free isocyanate group and at least one aromatic oxazolidone group, the aromatic oxazolidone group includes an aromatic group and an oxazolidone group, and (b) at least one second polyisocyanate has an average isocyanate functionality equal to or greater than 2.7 and less than 6.0. The second polyisocyanate is added to the preformed mixture to form the polyisocyanate component. The polyisocyanate component has a viscosity of no more than 4.0 Pa-sat 25&#xb0; C., an aromatic oxazolidone group content of 2 weight percent to 10 weight percent based on a total weight of the polyisocyanate component, and an average isocyanate functionality of from 1.8 to 6.0.

Polyisocyanate component, a polyurethane foaming system and an article made therefrom

Aspects of the present invention provide a one component epoxy adhesive composition having improved impact resistance at low temperatures, such as &#x2212;40&#xb0; C. or less. In a first aspect, the adhesive includes one or more epoxy resins; at least one polyurethane based toughener; at least one amphipathic block copolymer; and one or more epoxy curing agents. In a further, aspect epoxy adhesive compositions having improved wash off resistance are also provided.

Crash durable epoxy adhesive compositions having improved low-temperature impact resistance and wash off resistance

A vinyl ester resin composition comprising a reaction product of: (a) a polyepoxide resin; (b) an unsaturated carboxylic acid; and (c) a reactive carboxyl group terminated amphiphilic block copolymer, a reactive epoxy group terminated amphiphilic block copolymer, or a mixture thereof; and a cured thermoset composite product produced from the above vinyl ester resin composition.

Ester resins

A curable epoxy resin composition including: (a) a cycloaliphatic epoxy resin, (b) an oxazolidone ring-containing epoxy resin, (c) a reaction product of (i) an anhydride compound and (ii) a polyol, and (d) an anhydride hardener; a process for preparing the curable epoxy resin composition; and a composite including a reinforcing fiber embedded in a thermoset resin, wherein the thermoset resin is a reaction product of the curable epoxy resin composition.

Curable epoxy composition and a composite made therefrom

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Shanghai, China

Yanli Feng