公开(公告)号：US11485886B2

公开(公告)日：2022-11-01

申请号：US17299623

申请日：2019-03-07

Applicant: Dow Global Technologies LLC ,  Dow Silicones Corporation

Inventor： Shi Pan ,  Minbiao Hu ,  Tong Sun ,  Xuemei Zhai ,  Shaoguang Feng ,  Yan Li ,  Jingui Jiang

IPC: C09J133/08 ,  B32B37/12 ,  C09J5/00 ,  B32B7/12 ,  B32B21/13

Abstract: A formaldehyde free adhesive composition and a plywood obtained from the adhesive composition is provided, and the plywood has a balanced performance, such as high adhesion strength, sufficient pot-life, and good workability.

公开(公告)号：US20220306858A1

公开(公告)日：2022-09-29

申请号：US17596322

申请日：2020-07-14

Applicant: Dow Global Technologies LLC

Inventor： Yanbin Fan ,  Shaoguang Feng ,  Ping Zhang ,  Wenbin Bao ,  Hongyu Chen ,  Jianqing Jiao

IPC: C08L75/06 ,  C08L75/08 ,  C08G18/12 ,  C08G18/42 ,  C08G18/48 ,  C08G18/76

Abstract: A polyurethane composition is provided. The polyurethane composition comprises (A) one or more prepolymers prepared by reacting at least one isocyanate compound with a first polyol component; and (B) a second polyol component; wherein at least one of the first polyol component and the second polyol component comprises an ester/ether block copolymer polyol synthesized by reacting a starting material polyether polyol with a C4-C20 lactone. The foamed or non-foamed polyurethane product prepared by using the polyurethane composition can achieve inhibited internal heat buildup, high thermal stability, improved curing speed, light stability, heat stability and superior mechanical strength. A method for preparing the polyurethane composition and a method for improving the performance property of the polyurethane product are also provided.

公开(公告)号：US20220298289A1

公开(公告)日：2022-09-22

申请号：US17760997

申请日：2019-10-29

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Daoshu Lin ,  Yan Li ,  Cheng Shen ,  Jinfei Wang ,  Baoqing Zheng ,  Jia Tang ,  Dong Yun ,  Shaoguang Feng

IPC: C08G18/28 ,  C08G18/79 ,  C08G18/62 ,  C09D175/08

Abstract: A two-component polyurethane composition comprising (A) an aqueous dispersion comprising an emulsion polymer and from 2% to 20% of an alcohol alkoxylate of formula (I), by weight based on the weight of the emulsion polymer, and (B) a polyisocyanate; the two-component polyurethane composition can provide coatings with a high distinctness of image.

公开(公告)号：US11352296B2

公开(公告)日：2022-06-07

申请号：US17051022

申请日：2018-04-28

Applicant: Dow Global Technologies LLC

Inventor： Jitao Chen ,  Yan Li ,  Ke Shi ,  Tao Wang ,  Tong Sun ,  Shaoguang Feng ,  Xiaohong Zhang

IPC: C04B28/02 ,  C08F220/18 ,  C04B16/06 ,  C04B28/04 ,  C04B103/40 ,  C04B103/44 ,  C04B103/50 ,  C04B111/00 ,  C04B111/27

Abstract: A polymer-modified cementitious composition comprising a specific aqueous polymer dispersion and a cementitious material, and such polymer-modified cementitious composition having low ammonia release and providing coating membranes made therefrom with balanced tensile strength and elongation at break.

公开(公告)号：US20220154055A1

公开(公告)日：2022-05-19

申请号：US17600882

申请日：2019-05-15

Applicant: Dow Global Technologies LLC

Inventor： Qingwei Meng ,  Yu Chen ,  Shaoguang Feng ,  Jing Liu ,  Huan Chen ,  Xuemei Zhai

IPC: C09J175/04 ,  C08G18/76 ,  C08G18/80 ,  B32B7/12 ,  B32B15/04 ,  B32B15/20 ,  B32B37/12

Abstract: A two-component adhesive composition is provided. The two-component adhesive composition comprises an isocyanate component, an isocyanate-reactive component and an epoxy-aromatic diisocyanate adduct, and can achieve superior adhesion strength between the adhesive and a substrate like metal alloy substrate. A laminated article prepared with said composition, a method for preparing the article and the use of the epoxy-aromatic diisocyanate adduct as adhesion promoter in a two-component polyurethane adhesive composition are also provided.

公开(公告)号：US20220069225A1

公开(公告)日：2022-03-03

申请号：US15541548

申请日：2015-10-27

Applicant: Rohm and Haas Electronic Materials LLC ,  Dow Global Technologies LLC

Inventor： Liam P. Spencer ,  Chun Liu ,  Minrong Zhu ,  Nolan T. McDougal ,  Shaoguang Feng ,  Peter Trefonas, III ,  David D. Devore ,  Zhengming Tang ,  Jiansheng Feng ,  Anatoliy N. Sokolov

IPC: H01L51/00

Abstract: The present invention relates to a polymeric charge transfer layer comprising a polymer. The polymer comprises as polymerized units, Monomer A, Monomer B, and Monomer C crosslinking agent. The present invention further relates to an organic electronic device especially an organic light emitting device containing the polymeric charge transfer layer.

公开(公告)号：US20210301065A1

公开(公告)日：2021-09-30

申请号：US17262824

申请日：2018-08-02

Applicant: Dow Global Technologies LLC

Inventor： Zhengming Tang ,  Jian Zou ,  Shaoguang Feng ,  Yuji Sasaki ,  Hongliang Chen ,  Haiying Li ,  Degang Zhang ,  Ping Zhang

IPC: C08G18/66 ,  C08K3/30 ,  C08G18/64 ,  C08G18/63 ,  C08G18/48 ,  C08G18/40 ,  C08G18/32 ,  C08G18/20 ,  C08J9/12

Abstract: Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant and at least one catalyst, a polyethyleneamine mixture having a number average molecular weight of 175 to 450 and an alkali metal, phosphonium or ammonium sulfite. Foams so produced emit low levels of formaldehyde, acetaldehyde, acrolein and propionaldehyde.

公开(公告)号：US20210229033A1

公开(公告)日：2021-07-29

申请号：US16972020

申请日：2018-07-04

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Ji Guang Zhang ,  Jian Zou ,  Hongyu Chen ,  Shaoguang Feng ,  Wenbin Yao ,  Haiying Li ,  Xuemei Zhai

IPC: B01D53/72 ,  C09D179/02 ,  B01D53/02 ,  B01J20/28

Abstract: Polyethylenimine coated polymeric beads comprising a polymer that comprises, based on the weight of the polymer, from 25% to 75% by weight of structural units of an acetoacetoxy or acetoacetamide functional monomer, and from 25% to 75% by weight of structural units of a polyvinyl monomer; the polyethylenimine having a number average molecular weight of 300 g/mol or more; the polyethylenimine coated polymeric beads having a specific surface area in the range of from 20 to 400 m2/g; a process of preparing the polyethylenimine coated polymeric beads; a gas filter device comprising the polyethylenimine coated polymeric beads as a filter medium; and a method of removing aldehydes from air containing aldehydes, comprising contacting the air with the polyethylenimine coated polymeric beads.

公开(公告)号：US20210189054A1

公开(公告)日：2021-06-24

申请号：US17262731

申请日：2018-08-02

Applicant: Dow Global Technologies LLC

Inventor： Hongliang Chen ,  Zhengming Tang ,  Jian Zou ,  Shaoguang Feng ,  Degang Zhang ,  Ping Zhang

IPC: C08G18/76 ,  C08G18/63 ,  C08G18/48 ,  C08G18/32 ,  C08G18/20 ,  C08J9/12

Abstract: Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant and at least one catalyst, at least one cyclic 1,3-diketone and at least one aminoalcohol or alkylhydroxylamine. Foams so produced emit low levels of formaldehyde, acetaldehyde and propionaldehyde.

公开(公告)号：US20210139372A1

公开(公告)日：2021-05-13

申请号：US17051022

申请日：2018-04-28

Applicant: Dow Global Technologies LLC

Inventor： Jitao Chen ,  Yan Li ,  Ke Shi ,  Tao Wang ,  Tong Sun ,  Shaoguang Feng ,  Xiaohong Zhang

IPC: C04B16/06 ,  C04B28/04 ,  C08F220/18

Abstract: A polymer-modified cementitious composition comprising a specific aqueous polymer dispersion and a cementitious material, and such polymer-modified cementitious composition having low ammonia release and providing coating membranes made therefrom with balanced tensile strength and elongation at break.