公开(公告)号：US20230392000A1

公开(公告)日：2023-12-07

申请号：US18034156

申请日：2020-12-03

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Baoqing Zheng ,  Tao Wang ,  Xiaohong Yang ,  Jinfei Wang ,  Jia Tang ,  Jieying Chen ,  Fengzhe Shi ,  Shaoguang Feng

IPC: C08L33/12 ,  C08L33/08 ,  C09D133/08 ,  C09D133/12

CPC classification number: C08L33/12 ,  C08L33/08 ,  C09D133/08 ,  C09D133/12

Abstract: An aqueous dispersion of multistage polymeric particles comprises at least two polymers, and a coating composition comprising such aqueous dispersion of multistage polymeric particles can provide coatings with hot resistance, alcohol resistance, alkali resistance and acetic acid resistance.

公开(公告)号：US20230331889A1

公开(公告)日：2023-10-19

申请号：US18026882

申请日：2020-10-10

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Yan Wu ,  Baoqing Zheng ,  Fu Zhan ,  Changkun Piao ,  Juan Zhao ,  Hao Hu ,  Xiuqing Xu ,  Jia Tang ,  Dong Yun

IPC: C08F220/18 ,  C08F220/28 ,  C08F230/02 ,  C08F2/22 ,  C09D133/08 ,  C08L33/08

CPC classification number: C08F220/1806 ,  C08F220/283 ,  C08F230/02 ,  C08F2/22 ,  C09D133/08 ,  C08L33/08 ,  C08L2201/52

Abstract: An aqueous polymer composition comprises (A) a specific emulsion polymer comprising structural units of a cycloalkyl (meth)acrylate, structural units of an acetoacetoxy or acetoacetamide functional monomer, and structural units of a phosphorous acid monomer, a salt thereof, or mixtures thereof; and (B) a specific amount of a waterborne resin comprising at least one fatty acid ester segment and having a number average molecular weight of 20,000 g/mol or less, based on the total dry weight of the emulsion polymer and the waterborne resin. A coating composition comprising such aqueous polymer composition provides coatings made therefrom with improved anti-corrosion property.

公开(公告)号：US20230303741A1

公开(公告)日：2023-09-28

申请号：US18021046

申请日：2020-09-25

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Daoshu Lin ,  Yan Wu ,  Changkun Piao ,  Jia Tang ,  Dong Yun ,  Hua Ren ,  Zhenwen Fu ,  Baoqing Zheng

IPC: C08F220/18 ,  C09D133/06

CPC classification number: C08F220/1804 ,  C09D133/064

Abstract: An emulsion polymer comprising: (a) structural units of a specific polymerizable surfactant, (b) structural units of an ethylenically unsaturated anionic monomer, and (c) structural units of an ethylenically unsaturated nonionic monomer; wherein polymer segments of the emulsion polymer that comprise structural units of the ethylenically unsaturated anionic monomer and structural units of the ethylenically unsaturated nonionic monomer together have specific Hansen solubility parameters. An aqueous coating composition comprising such emulsion polymer provides good early water blister resistance.

公开(公告)号：US20210284863A1

公开(公告)日：2021-09-16

申请号：US16614414

申请日：2017-06-02

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Weijun Yang ,  Hu Li ,  Longlan Cui ,  Siyuan Jiang ,  Tao Wang ,  Yu Cai ,  Jia Tang ,  Antony K. Van Dyk

IPC: C09D163/00 ,  C09D5/08 ,  C09D7/65 ,  C08K3/013 ,  C08G59/22 ,  C08G59/32 ,  C08G59/50 ,  C08F212/08 ,  C08F228/02 ,  C08F230/02 ,  C08F2/18 ,  C08F2/22 ,  C08F2/38 ,  C08L33/08

Abstract: A stable two-component waterborne coating composition comprising an epoxy component A comprising a waterborne epoxy resin, a polymeric dispersant, and pigments and/or extenders; and a component B comprising a curing agent; providing coatings made therefrom with improved anti-corrosion properties; and a method of preparing the coating composition.

公开(公告)号：US20210261779A1

公开(公告)日：2021-08-26

申请号：US17251843

申请日：2018-07-12

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Baoqing Zheng ,  Yan Wu ,  Jia Tang ,  James C. Bohling ,  Juan Zhao ,  Yujiang Wang

IPC: C08L83/10 ,  C08L25/14 ,  C08F220/06 ,  C08F220/14 ,  C08F220/18 ,  C08F230/02 ,  C08F2/26 ,  C08K5/37 ,  C08G77/16 ,  C08G77/20 ,  C08G77/00 ,  C08G77/44 ,  C09D5/08

Abstract: 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.

公开(公告)号：US12286550B2

公开(公告)日：2025-04-29

申请号：US16461824

申请日：2016-12-19

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Shujun Shu ,  Yujiang Wang ,  Baoqing Zheng ,  Jia Tang

IPC: C09D133/12 ,  C08F212/08 ,  C08F220/18 ,  C09D125/14 ,  C09D133/06

Abstract: 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.

公开(公告)号：US12110394B2

公开(公告)日：2024-10-08

申请号：US17611696

申请日：2019-06-13

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company ,  Dow Silicones Corporation

Inventor： Xiangting Dong ,  Ling Li ,  Zhihua Liu ,  Hui Liu ,  Wei Cui ,  Baoqing Zheng ,  Zhi Juan Gong ,  Yan Wu ,  Changkun Piao ,  Jia Tang ,  Dong Yun

IPC: C08L83/04 ,  C08F2/00 ,  C08F2/01 ,  C08F2/22 ,  C08F212/08 ,  C08F220/06 ,  C08F220/14 ,  C08F220/18 ,  C08F220/56 ,  C08F230/08 ,  C08G77/16 ,  C08G77/20 ,  C09D7/65

CPC classification number: C08L83/04 ,  C08F2/001 ,  C08F2/22 ,  C08F212/08 ,  C08F220/06 ,  C08F220/14 ,  C08F220/1804 ,  C08F220/1808 ,  C08F220/56 ,  C08F230/085 ,  C08G77/16 ,  C08G77/20 ,  C09D7/65 ,  C08G2150/00 ,  C08L2201/50 ,  C08L2205/02

Abstract: 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.

公开(公告)号：US11912871B2

公开(公告)日：2024-02-27

申请号：US17251843

申请日：2018-07-12

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Baoqing Zheng ,  Yan Wu ,  Jia Tang ,  James C. Bohling ,  Juan Zhao ,  Yujiang Wang

IPC: C08L83/10 ,  C08F2/26 ,  C08F220/06 ,  C08F220/14 ,  C08F220/18 ,  C08F230/02 ,  C08G77/00 ,  C08G77/16 ,  C08G77/20 ,  C08G77/44 ,  C08K5/37 ,  C08L25/14 ,  C09D5/08

CPC classification number: C08L83/10 ,  C08F2/26 ,  C08F220/06 ,  C08F220/14 ,  C08F220/1804 ,  C08F230/02 ,  C08G77/16 ,  C08G77/20 ,  C08G77/44 ,  C08G77/80 ,  C08K5/37 ,  C08L25/14 ,  C09D5/08 ,  C08L2201/50 ,  C08L2201/52

Abstract: 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.

公开(公告)号：US11702493B2

公开(公告)日：2023-07-18

申请号：US17265874

申请日：2018-09-28

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Yan Wu ,  Baoqing Zheng ,  Juan Zhao ,  Shujun Shu ,  Jia Tang ,  Dong Yun ,  Danniebelle Haase

IPC: C08F220/18 ,  C08F220/28 ,  C08F230/02 ,  C09D125/14 ,  C09D133/10 ,  C08J3/07 ,  C08F212/08

CPC classification number: C08F220/1808 ,  C08F212/08 ,  C08J3/07 ,  C09D125/14 ,  C09D133/10 ,  C08J2325/04 ,  C08J2333/10

Abstract: An aqueous dispersion and an aqueous coating composition comprising the aqueous dispersion, and the aqueous coating composition providing coatings made therefrom with improved anti-corrosion property and good water resistance and block resistance.

公开(公告)号：US20210309791A1

公开(公告)日：2021-10-07

申请号：US17265328

申请日：2018-09-21

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Daoshu Lin ,  Baoqing Zheng ,  Jia Tang ,  Dong Yun ,  Shujun Shu ,  Gary W. Dombrowski

IPC: C08G18/67 ,  C08G18/73 ,  C09D175/16 ,  C09D143/02 ,  C08L75/04 ,  C08L43/02 ,  B01F17/00

Abstract: A two-component polyurethane composition comprising: an aqueous dispersion comprising an emulsion polymer and a specific sulphate and/or sulfonate surfactant, and a water-dispersible polyisocyanate; the emulsion polymer with a weight average molecular weight of 70,000 g/mol or less comprising, by weight based on the weight of the emulsion polymer, greater than 0.25% of structural units of a phosphorous-containing acid monomer and/or salts thereof, greater than 15% of structural units of a hydroxy-functional alkyl (meth)acrylate, structural units of an monoethylenically unsaturated nonionic monomer, and from zero to 10% of structural units of an additional acid monomer and/or salts thereof; and a process of preparing the two-component polyurethane composition.