公开(公告)号：US20210347963A1

公开(公告)日：2021-11-11

申请号：US16317860

申请日：2016-08-17

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Yujiang Wang ,  Hui Liu ,  Caifeng Wang ,  Jianming Xu ,  Ling Li ,  Alvin M. Maurice ,  Hongyu Chen

IPC: C08K5/18 ,  C08L33/08 ,  C09D133/08 ,  C09D7/63

Abstract: The present invention relates to a benzophenone derivative and an aqueous copolymer dispersion comprising the benzophenone derivative. This invention also relates to an aqueous coating composition comprising the aqueous copolymer dispersion. The benzophenone derivative provides better crosslinking efficiency and improvement to dirt pick up resistance performance.

公开(公告)号：US11136428B2

公开(公告)日：2021-10-05

申请号：US16061127

申请日：2015-12-21

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Xiangting Dong ,  Ling Li ,  Jinyuan Zhang ,  Wei Cui ,  Han Liu ,  Qingwei Zhang

IPC: C08F2/22 ,  C08F220/06 ,  C08F220/18 ,  C08F257/02 ,  C09D143/02 ,  C09D143/04 ,  C08F2/00 ,  C08F212/08 ,  C09D151/00

Abstract: A multistage aqueous emulsion polymer comprising from 88% to 98% by dry weight, based on total dry weight of the multistage aqueous emulsion polymer, of a first polymer core; and from 2% to 12% by dry weight, based on total dry weight of the multistage aqueous emulsion polymer, of a second polymer shell, wherein the first polymer core and the second polymer shell each independently comprises, as polymerized units, one or more ethylenically unsaturated nonionic monomers, wherein the second polymer shell further comprises, as polymerized units, from 20% to 60% by dry weight, based on total dry weight of the second polymer shell, of an acid monomer, wherein said acid monomer is, as polymerized units, from 1.1% to 4.2% by dry weight, based on total dry weight of the multistage aqueous emulsion polymer. An aqueous coating composition comprising said multistage aqueous emulsion polymer.

公开(公告)号：US20210246232A1

公开(公告)日：2021-08-12

申请号：US16972773

申请日：2018-07-10

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Han Liu ,  Dan Liu ,  Qingwei Zhang ,  Zhi Juan Gong ,  Xiangting Dong ,  Ling Li ,  Han Lv

IPC: C08F2/26 ,  C08F2/38 ,  C08F220/18 ,  C08F220/56 ,  C08F12/08 ,  C09D131/02 ,  C09D133/08 ,  C09D5/02

Abstract: A stable aqueous dispersion of multi-stage polymeric particles comprising a polymer and an oligomer, and an aqueous freeze-thaw stable coating composition comprising the aqueous dispersion providing coatings made therefrom with acceptable scrub resistance.

公开(公告)号：US20200002548A1

公开(公告)日：2020-01-02

申请号：US16341461

申请日：2016-11-11

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Zhen Qian ,  Yaguang Zhao ,  Jianming Xu ,  Qingwei Zhang ,  Wei Li ,  Ling Li

IPC: C09D5/02 ,  C09D133/06 ,  C09D4/06

Abstract: An aqueous coating composition having good freeze-thaw stability and providing coatings with good stain resistance.

公开(公告)号：US10351725B2

公开(公告)日：2019-07-16

申请号：US15318387

申请日：2014-07-08

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Rui Wang ,  Ling Li ,  Junyu Chen ,  Tao Wang

IPC: C09D133/12 ,  C08F230/02 ,  C09D143/02 ,  C08F220/18 ,  C09D7/65

Abstract: A coating composition comprising from 8% to 40% of a polymer; and from 0.1% to 3% of a dispersant. The polymer comprises a first acrylic monomer and from 0.2% to 5% of a first phosphorus-containing monomer. The dispersant comprises a second acrylic monomer and more than 20% of a second phosphorus-containing monomer.

公开(公告)号：US10167393B2

公开(公告)日：2019-01-01

申请号：US15325512

申请日：2014-07-28

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Jianming Xu ,  Wei Cui ,  Qingwei Zhang ,  Ling Li ,  Danping Ma

IPC: C09D4/00 ,  C08F218/08 ,  C08F228/02 ,  C08F230/02 ,  C09D131/04 ,  C08F2/24 ,  C08F220/18 ,  C08F222/02

Abstract: The present invention provides a polymer dispersion comprising by dry weight based on total dry weight of the polymer particles, a) from 60% to 95% a vinyl acetate monomer, b) from 0.2% to 2.5% a phosphorus-containing allylic monomer; and c) from 0.2% to 2.5% an itaconic acid monomer; wherein the total amount of monomers b) and c) is from 0.5% to 2.5% by dry weight based on total dry weight of the polymer particles, and the dry weight ratio of monomer b) to monomers b) and c) is from 0.2 to 0.6. The present invention further provides a paint formulation of PVC higher than 60% comprising the polymer dispersion.