公开(公告)号：US20230312969A1

公开(公告)日：2023-10-05

申请号：US18016465

申请日：2020-07-31

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Caifeng Wang ,  Jianming Xu ,  Kok Chiew Poh ,  Yuehan Hu ,  Tao Wang ,  Juan F. Callejas ,  Philip R. Harsh ,  James C. Bohling ,  Andrew J. Swartz ,  Partha S. Majumdar ,  Joseph Tanzer

IPC: C09D133/08 ,  C09D7/61 ,  C09D7/65 ,  C09D7/40

CPC classification number: C09D133/08 ,  C09D7/61 ,  C09D7/65 ,  C09D7/67 ,  C09D7/69 ,  C09D7/70 ,  C08K2201/005 ,  C08K2201/011

Abstract: The present invention is a composition comprising an aqueous dispersion of polymer particles, polymeric organic crosslinked microspheres, and colloidal silica particles. The composition is useful in coating compositions for exterior applications to achieve a balance of excellent dirt pickup resistance and durability performance under accelerated testing conditions.

公开(公告)号：US11365314B2

公开(公告)日：2022-06-21

申请号：US16641307

申请日：2017-09-25

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Zhen Qian ,  Wei Cui ,  Jinfei Wang ,  Jianming Xu ,  Jintao Liu ,  Ling Li ,  Jingchao Zhang

IPC: C09D7/65 ,  C09D7/63 ,  C08K5/53 ,  C08L43/02 ,  C08L83/06 ,  C08K5/5435

Abstract: The present invention provides an aqueous polymer composition and an aqueous coating composition comprising such aqueous polymer composition that shows balanced stain resistance, freeze-thaw stability, and anti-clogging properties.

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：US09862856B2

公开(公告)日：2018-01-09

申请号：US14891044

申请日：2013-05-30

Applicant: Rohm and Haas Company ,  Dow Global Technologies LLC

Inventor： Xiaohong Yang ,  Jianming Xu ,  Yawei Xu ,  Baoqing Zheng ,  Shujun Shu

IPC: C08G77/14 ,  C08G77/20 ,  C08F20/18 ,  C08F220/54 ,  C09D133/14 ,  C08F265/06 ,  C08F220/14 ,  C09J133/12 ,  C09D4/06 ,  C08F230/08

CPC classification number: C09D133/14 ,  C08F220/14 ,  C08F265/06 ,  C08F2230/085 ,  C08G77/20 ,  C09D4/06 ,  C09J133/12 ,  C08F220/18 ,  C08F220/06 ,  C08F220/20 ,  C08F220/58 ,  C08F2220/1875 ,  C08F2220/1825

Abstract: A wood coating formulation with improved water repellency while maintaining coating performance such as clarity and hardness, the process of making thereof.

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：US20230279213A1

公开(公告)日：2023-09-07

申请号：US18019295

申请日：2020-08-31

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Daoshu Lin ,  Caifeng Wang ,  Jianming Xu ,  Yuehan Hu

IPC: C08L33/12

CPC classification number: C08L33/12

Abstract: An aqueous composition comprising: (a) an aqueous dispersion of hybrid polymer particles with a fluorine content of 5% or more, wherein the hybrid polymer particles comprise, based on the weight of the hybrid polymer particles, (i) greater than 20% to 75% by weight of a first polymer component comprising a fluoroethylene vinyl ether copolymer, and (ii) from 25% to less than 80% by weight of a second polymer component, wherein the second polymer component is an acrylic copolymer comprising, based on the weight of the acrylic copolymer, from 0.15% to 1.2% by weight of structural units of a phosphorus-containing acid monomer, a salt thereof, or mixtures thereof, and structural units of a monoethylenically unsaturated nonionic monomer; and (b) from 5% to 30% by dry weight of colloidal silica, based on the total weight of the hybrid polymer particles and the dry weight of the colloidal silica. The aqueous composition can provide coatings with balanced dirt pick-up resistance and durability properties.

公开(公告)号：US11505716B2

公开(公告)日：2022-11-22

申请号：US16628691

申请日：2017-07-11

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Daoshu Lin ,  Jianming Xu ,  Shuyu Duan ,  Jian Zou ,  James C. Bohling

IPC: C09D7/65 ,  C09D7/20 ,  C09D7/63 ,  C09D133/06 ,  C08F220/18 ,  A61L9/04

Abstract: An aqueous dispersion, an aqueous coating composition comprising the aqueous dispersion, and coatings made therefrom capable of slow release of fragrance.

公开(公告)号：US20220259426A1

公开(公告)日：2022-08-18

申请号：US17628043

申请日：2019-09-05

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Zhen Qian ,  Jinfei Wang ,  Jianming Xu ,  Qingwei Zhang ,  Wei Cui

IPC: C08L71/02 ,  C09D5/02 ,  C09D171/02

Abstract: An aqueous polymer dispersion and an aqueous coating composition comprising such aqueous polymer dispersion that shows good F/T stability and satisfactory anti-clogging properties and provides coatings with good hydrophobic stain resistance.

公开(公告)号：US20210324114A1

公开(公告)日：2021-10-21

申请号：US17271382

申请日：2018-10-24

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Jianming Xu ,  Wei Cui ,  Yunfei Lan ,  Qingwei Zhang ,  Han Lv

IPC: C08F2/22 ,  C08F220/06 ,  C08F220/18 ,  C08F220/28 ,  C08K5/5425 ,  C08K5/5435 ,  C09D133/08

Abstract: The present invention provides an aqueous dispersion as a biobased binder and an aqueous coating composition comprising such aqueous dispersion and showing balanced stain resistance, freeze-thaw stability, and anti-clogging properties.