公开(公告)号：US12024646B2

公开(公告)日：2024-07-02

申请号：US17277839

申请日：2019-10-08

Applicant: Rohm and Haas Company ,  Dow Global Technologies LLC

Inventor： Azize Ala ,  Gary Dombrowski ,  Patrick E. Hartnett ,  Ozzie Moore Pressley ,  Qing Zhang

IPC: C09D5/02 ,  C08K5/544 ,  C08L43/02 ,  C09D143/02

CPC classification number: C09D5/022 ,  C08L43/02 ,  C09D143/02 ,  C08K5/544 ,  C08L2201/54 ,  C09D143/02 ,  C08K5/544

Abstract: The present invention relates to a composition comprising a) an aqueous dispersion of polymer particles comprising structural units of a phosphorus acid monomer or a salt thereof; and b) an aminosilane. The composition is effective for improving block resistance in such pigmented coating formulations.

公开(公告)号：US20230322999A1

公开(公告)日：2023-10-12

申请号：US18022536

申请日：2021-08-19

Applicant: Rohm and Haas Company

Inventor： Jonathan DeRocher ,  Antony K. Van Dyk ,  Qing Zhang

IPC: C08F285/00 ,  C08L71/02 ,  C08K3/22

CPC classification number: C08F285/00 ,  C08L71/02 ,  C08K3/22 ,  C08K2003/2241

Abstract: The present invention relates to a composition comprising an aqueous dispersion of opacifying pigment-binder hybrid polymer particles and a dispersant functionalized with a sulfur acid monomer absorbed to opacifying pigment particles. The composition of the present invention is useful for improving wet-hide performance in paints.

公开(公告)号：US20190322889A1

公开(公告)日：2019-10-24

申请号：US16299470

申请日：2019-03-12

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： James C. Bohling ,  Pu Luo ,  Qing Zhang

IPC: C09D125/14 ,  C09D7/45 ,  C09D7/43 ,  C09D5/16

Abstract: The present invention is related to a coating composition comprising a) an aqueous dispersion of acrylic or styrene-acrylic polymer particles functionalized with structural units of a monomer with keto functionality and structural units of a phosphorus acid monomer; b) a dispersant comprising structural units of a carboxylic acid monomer and a monomer with keto functionality; and c) a dihydrazide crosslinking agent. The composition of the present invention is useful for improving scrub resistance in a coating formed from the composition.

公开(公告)号：US08546467B2

公开(公告)日：2013-10-01

申请号：US13649611

申请日：2012-10-11

Applicant: Rohm and Haas Company

Inventor： James Bohling ,  Wei Gao ,  Qing Zhang

IPC: C08K3/22 ,  C09B67/00

CPC classification number: C09C1/36 ,  C01P2004/84 ,  C01P2006/60 ,  C08F2/26 ,  C08K2003/2241 ,  C09C1/3676 ,  C09D5/028 ,  C09D7/61 ,  C09D133/02 ,  C09D135/02 ,  C08F2220/1825 ,  C08F220/14 ,  C08F220/36 ,  C08F222/02 ,  C08F220/06 ,  C08L33/08

Abstract: The present invention relates to a process comprising the steps of a) contacting an aqueous dispersion of a TiO2 slurry containing adsorbing dispersant with an adsorbing latex to form a mixture, wherein the pH of the mixture of the TiO2 slurry and adsorbing latex are sufficiently high to inhibit interaction between the TiO2 and the adsorbing dispersant; then b) lowering the pH of the mixture of step a) sufficiently to promote interaction between the TiO2 and the adsorbing latex, thereby forming a composite; wherein the adsorbing latex comprises structural units of itaconic acid or a salt thereof. The process of the present invention provides for improved hiding and reduced grit for coatings compositions.

Abstract translation: 本发明涉及一种方法，包括以下步骤：a）将含有吸附分散剂的TiO 2浆料的水性分散体与吸附胶乳接触以形成混合物，其中TiO 2浆料和吸附胶乳的混合物的pH足够高至 抑制TiO2与吸附分散剂的相互作用; 然后b）降低步骤a）的混合物的pH以充分促进TiO 2和吸附胶乳之间的相互作用，从而形成复合材料; 其中所述吸附胶乳包含衣康酸或其盐的结构单元。 本发明的方法提供了改进的涂层组合物的隐藏和减小的砂砾。

公开(公告)号：US20130096250A1

公开(公告)日：2013-04-18

申请号：US13649611

申请日：2012-10-11

Applicant: Rohm and Haas Company

Inventor： James Bohling ,  Wei Gao ,  Qing Zhang

IPC: C08L35/00 ,  C09D135/00

CPC classification number: C09C1/36 ,  C01P2004/84 ,  C01P2006/60 ,  C08F2/26 ,  C08K2003/2241 ,  C09C1/3676 ,  C09D5/028 ,  C09D7/61 ,  C09D133/02 ,  C09D135/02 ,  C08F2220/1825 ,  C08F220/14 ,  C08F220/36 ,  C08F222/02 ,  C08F220/06 ,  C08L33/08

Abstract: The present invention relates to a process comprising the steps of a) contacting an aqueous dispersion of a TiO2 slurry containing adsorbing dispersant with an adsorbing latex to form a mixture, wherein the pH of the mixture of the TiO2 slurry and adsorbing latex are sufficiently high to inhibit interaction between the TiO2 and the adsorbing dispersant; then b) lowering the pH of the mixture of step a) sufficiently to promote interaction between the TiO2 and the adsorbing latex, thereby forming a composite; wherein the adsorbing latex comprises structural units of itaconic acid or a salt thereof. The process of the present invention provides for improved hiding and reduced grit for coatings compositions.

Abstract translation: 本发明涉及一种方法，包括以下步骤：a）将含有吸附分散剂的TiO 2浆料的水性分散体与吸附胶乳接触以形成混合物，其中TiO 2浆料和吸附胶乳的混合物的pH足够高至 抑制TiO2与吸附分散剂的相互作用; 然后b）降低步骤a）的混合物的pH以充分促进TiO 2和吸附胶乳之间的相互作用，从而形成复合材料; 其中所述吸附胶乳包含衣康酸或其盐的结构单元。 本发明的方法提供了改进的涂层组合物的隐藏和减小的砂砾。

公开(公告)号：US12018167B2

公开(公告)日：2024-06-25

申请号：US17764677

申请日：2020-10-07

Applicant: Rohm and Haas Company

Inventor： James C. Bohling ,  Philip R. Harsh ,  Patrick E. Hartnett ,  Partha S. Majumdar ,  Qing Zhang

IPC: C09D133/08 ,  C08K5/5445 ,  C09D5/02 ,  C09D5/16 ,  C09D7/40 ,  C09D7/42

CPC classification number: C09D133/08 ,  C09D5/022 ,  C09D5/1637 ,  C09D5/1668 ,  C09D7/42 ,  C09D7/67 ,  C09D7/68 ,  C09D7/69 ,  C09D7/70 ,  C08K5/5445

Abstract: The present invention relates to a composition comprising an aqueous dispersion of a) polymer particles having a z-average particle size in the range of from 50 nm to 500 nm; b) anion exchange resin particles having a D50 median particle size in the range of from 0.1 μm to 50 μm; and c) polymeric organic microspheres having a D50 median particle size in the range of from 1 μm to 20 μm, wherein the weight-to-weight ratio of polymer particles to microspheres is in the range of from 0.5:1 to 20:1. The composition of the present invention is useful for paint compositions that form matte finishes with an excellent balance of stain blocking and stain removal properties.

公开(公告)号：US11312868B2

公开(公告)日：2022-04-26

申请号：US16214970

申请日：2018-12-10

Applicant: Rohm and Haas Company ,  Dow Global Technologies LLC

Inventor： James C. Bohling ,  Ibrahim Eryazici ,  Philip R. Harsh ,  Partha S. Majumdar ,  Edwin Aloysius Nungesser, Jr. ,  Qing Zhang

IPC: C09D5/02 ,  C09D7/62 ,  C09D7/63 ,  C09D7/40 ,  C09D7/65 ,  C09D133/10 ,  C09D5/00 ,  C08K5/521 ,  C08L33/10 ,  C08K3/22

Abstract: The present invention relates to a pigmented matte coating composition comprising an aqueous dispersion of a) phosphorus acid functionalized polymer particles; b) TiO2 particles; c) polymeric organic microspheres; and d) a rheology modifier. The composition of the present invention gives matte finish coatings having the stain and scrub resistant attributes similar to coatings formed from semi-gloss paint compositions.

公开(公告)号：US10858531B2

公开(公告)日：2020-12-08

申请号：US16299470

申请日：2019-03-12

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： James C. Bohling ,  Pu Luo ,  Qing Zhang

IPC: C09D125/14 ,  C09D7/43 ,  C09D7/45 ,  C09D5/16

Abstract: The present invention is related to a coating composition comprising a) an aqueous dispersion of acrylic or styrene-acrylic polymer particles functionalized with structural units of a monomer with keto functionality and structural units of a phosphorus acid monomer; b) a dispersant comprising structural units of a carboxylic acid monomer and a monomer with keto functionality; and c) a dihydrazide crosslinking agent. The composition of the present invention is useful for improving scrub resistance in a coating formed from the composition.

公开(公告)号：US20190177554A1

公开(公告)日：2019-06-13

申请号：US16214970

申请日：2018-12-10

Applicant: Rohm and Haas Company ,  Dow Global Technologies LLC

Inventor： James C. Bohling ,  Ibrahim Eryazici ,  Philip R. Harsh ,  Partha S. Majumdar ,  Edwin Aloysius Nungesser, JR. ,  Qing Zhang

IPC: C09D5/02 ,  C09D7/62 ,  C09D7/63 ,  C09D7/40 ,  C09D7/65 ,  C09D133/10

Abstract: The present invention relates to a pigmented matte coating composition comprising an aqueous dispersion of a) phosphorus acid functionalized polymer particles; b) TiO2 particles; c) polymeric organic microspheres; and d) a rheology modifier. The composition of the present invention gives matte finish coatings having the stain and scrub resistant attributes similar to coatings formed from semi-gloss paint compositions.

公开(公告)号：US20230167309A1

公开(公告)日：2023-06-01

申请号：US17921182

申请日：2021-04-16

Applicant: Rohm and Haas Company

Inventor： Qing Zhang ,  Andrew J. Swartz ,  Michael W. Leonard

IPC: C09D5/02 ,  C09D7/40 ,  C09D7/65 ,  C09D125/14 ,  C09D7/61 ,  C09D7/45

CPC classification number: C09D5/022 ,  C09D7/70 ,  C09D7/65 ,  C09D125/14 ,  C09D7/68 ,  C09D7/61 ,  C09D7/45

Abstract: The present invention relates to a waterborne composition comprising an aqueous dispersion of first and second multistage polymer particles, wherein each of the first and second polymer particles comprises a water-occluded core and a high Tg polymeric shell wherein the second multistage polymer particles further comprise a polymeric binder layer superposing the shell. The composition of the present invention is useful for reducing the load of TiO2 in paint formulations, while producing coatings with excellent hiding and scrub resistance.