公开(公告)号：US11186700B2

公开(公告)日：2021-11-30

申请号：US16035044

申请日：2018-07-13

Applicant: ROHM and HAAS Company

Inventor： Yujiang Wang ,  Jianming Xu ,  Tao Wang

IPC: C08K3/36 ,  C08F220/14 ,  C08F2/26 ,  C08F2/44 ,  C08F292/00 ,  C09D5/00 ,  C09D133/02 ,  C09D133/10 ,  C09D133/12 ,  C09D151/10

Abstract: 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.

公开(公告)号：US20190169442A1

公开(公告)日：2019-06-06

申请号：US15774094

申请日：2015-12-14

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Caifeng Wang ,  Jianming Xu ,  Yujiang Wang ,  Yunfei Lan

IPC: C09D5/02 ,  C09D133/06 ,  C09D7/61

Abstract: 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.

公开(公告)号：US10023757B2

公开(公告)日：2018-07-17

申请号：US14477263

申请日：2014-09-04

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Dong Yun ,  Yujiang Wang ,  Hui Liu ,  Siyuan Jiang

IPC: C09D11/101 ,  C09D101/28 ,  C09D105/00 ,  C09B67/22 ,  C09B67/46

Abstract: A process for preparing color dispersions comprising a first step of contacting water, a first colorant, and a gel composition comprising a first gel selected from methylcellulose, hydropropylmethylcellulose, hydroxyethylmethylcellulose, hydroxybutylmethylcellulose, hydroxyethylethylcellulose, and the mixture thereof, and a second gel selected from guar, pectin, carrageenan, gelatin, and the mixture thereof, to form a first colorant dispersion; a second step of contacting the first colorant dispersion with a composition comprising an aqueous dispersion of polymer particles, clay, and a peptizing agent to form a dispersion of protected first colorant particles. A color dispersion comprising the first colorant dispersion and a color coating comprising the color dispersion.

公开(公告)号：US20180044516A1

公开(公告)日：2018-02-15

申请号：US15556302

申请日：2015-03-31

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company ,  UCAR Emulsion Systems FZE

Inventor： Shiling Zhang ,  Lukasz Zukowski ,  Yujiang Wang ,  Dong Yun ,  Ling Li ,  Youjun Wu

IPC: C08L33/02 ,  C09D133/02

CPC classification number: C08L33/02 ,  C08L33/08 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03 ,  C09D5/022 ,  C09D5/29 ,  C09D133/02 ,  C09D133/08 ,  C08L5/04 ,  C09J201/00 ,  C08L5/00

Abstract: 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.

公开(公告)号：US20170298237A1

公开(公告)日：2017-10-19

申请号：US15513255

申请日：2014-09-25

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company ,  UCAR Emulsion Systems FZE

Inventor： Ling Li ,  Yujiang Wang ,  Fengkun Chen ,  Rui Wang ,  Khaled Abou Ghoneim ,  Liqiang Fan

IPC: C09D7/00 ,  C09D5/44 ,  C09D7/12 ,  C09D5/02

CPC classification number: C09D7/43 ,  C09D5/02 ,  C09D5/4411 ,  C09D5/4442 ,  C09D7/40 ,  C09D7/65

Abstract: 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 α,β-ethylenically unsaturated carboxylic acid monomer, and from 30% to 60% of an α,β-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.

公开(公告)号：US20170226364A1

公开(公告)日：2017-08-10

申请号：US15502546

申请日：2014-09-09

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Shiling Zhang ,  Dong Yun ,  Yujiang Wang ,  Caifeng Wang ,  Siyuan Jiang

IPC: C09D125/14 ,  C08L25/14 ,  C09J125/14

CPC classification number: C09D125/14 ,  C08K2003/162 ,  C08K2003/2241 ,  C08L25/14 ,  C08L33/26 ,  C08L2205/03 ,  C08L2205/035 ,  C09D105/00 ,  C09D109/06 ,  C09D109/08 ,  C09D133/08 ,  C09D133/10 ,  C09D133/12 ,  C09D135/06 ,  C09D153/02 ,  C09J109/06 ,  C09J109/08 ,  C09J125/14 ,  C09J133/08 ,  C09J133/10 ,  C09J133/12 ,  C09J135/06 ,  C08K3/16 ,  C08K3/26 ,  C08K5/0091 ,  C08L1/284 ,  C08L5/00 ,  C08L1/286 ,  C08K3/22 ,  C08L33/08 ,  C08L5/04

Abstract: The present invention provides a binder composition comprising a first binder comprising by dry weight based on total dry weight of the first binder, from 5% to 98% of polymer particles, from 0.3% to 10% of a first polysaccharide, from 0.01% to 5% of a crosslinker, from 0.3% to 6% of a water-soluble metal cation, and from 0.05% to 3% of a cationic polyelectrolyte. The binder composition may further comprise a second binder comprising by dry weight based on total dry weight of the second binder, from 0.3% to 20% of the first polysaccharide, from 0.5% to 20% of a second polysaccharide. And in that case, the wet weight ratio of the first binder to the second binder is from 1:20 to 20:1. The present invention further provides a paint formulation comprising the binder composition.

公开(公告)号：US20170121495A1

公开(公告)日：2017-05-04

申请号：US15317138

申请日：2014-07-04

Applicant: Rohm and Haas Company

Inventor： Yujiang Wang ,  Jianming Xu ,  Tao Wang

IPC: C08K3/36 ,  C08F220/14 ,  C09D133/12

CPC classification number: C08K3/36 ,  C08F2/26 ,  C08F2/44 ,  C08F220/14 ,  C08F292/00 ,  C08L2201/54 ,  C09D5/00 ,  C09D133/02 ,  C09D133/10 ,  C09D133/12 ,  C09D151/10 ,  C08F2220/1858 ,  C08F2220/1825 ,  C08F220/06 ,  C08L33/10

Abstract: 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.

公开(公告)号：US11578218B2

公开(公告)日：2023-02-14

申请号：US16071176

申请日：2016-02-05

Applicant: Rohm and Haas Company ,  Dow Global Technologies LLC

Inventor： Hui Liu ,  Jianming Xu ,  Yujiang Wang ,  Yunfei Lan

IPC: C09D5/29 ,  C09D7/61 ,  C08F220/14 ,  C08K3/34 ,  C09D5/02 ,  C09D17/00

Abstract: 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 R1 is a linkage group between R2 and a vinyl group, R2 is 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.

公开(公告)号：US20200216707A1

公开(公告)日：2020-07-09

申请号：US16641666

申请日：2017-09-25

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Chen Chen ,  Baoqing Zheng ,  Yawei Xu ,  Xiaohong Yang ,  Shaoguang Feng ,  Yujiang Wang ,  Brough Richey ,  Fengzhe Shi

IPC: C09D133/12 ,  C08L33/12

Abstract: 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.

公开(公告)号：US20190002726A1

公开(公告)日：2019-01-03

申请号：US16066416

申请日：2016-01-21

Applicant: Rohm and Haas Company

Inventor： Hui Liu ,  Jianming Xu ,  Yujiang Wang

IPC: C09D139/04 ,  C09D133/08 ,  C09D133/10 ,  C09D133/26 ,  C08K3/22 ,  C09D7/61

Abstract: 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.