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    Freeze-thaw stable paint formulation
    1.
    发明授权
    Freeze-thaw stable paint formulation 有权
    冷冻 - 稳定的油漆配方

    公开(公告)号：US09284457B2

    公开(公告)日：2016-03-15

    申请号：US14536732

    申请日：2014-11-10

    Applicant: Rohm and Haas Company

    Inventor： David G. Kelly ,  Pu Luo ,  Michael Rhodes ,  Yogesh Tiwary

    IPC: C09D141/00 ,  C08F2/26 ,  C09D5/02 ,  C09C1/36 ,  C09D7/12 ,  C08F2/44 ,  C09D1/00 ,  C08K9/10 ,  C08K3/22

    CPC classification number: C09D17/008 ,  C08F2/26 ,  C08F2/44 ,  C08K9/10 ,  C08K2003/2241 ,  C09C1/3676 ,  C09D1/00 ,  C09D5/022 ,  C09D5/024 ,  C09D5/025 ,  C09D5/028 ,  C09D17/002 ,  C09D141/00

    Abstract: The present invention relates to a pre-paint composite comprising an aqueous slurry of TiO2 particles and attached and unattached polymeric binder, and a sufficient amount of a secondary alcohol ethoxylate of the formula C10-15H22-32O(CH2CH2O)xH to give 35 to 90 weight percent attachment of polymeric binder to the TiO2 particles, based on the weight of total polymeric binder in the pre-paint composite, where x is from 15 to 50; and the O(CH2CH2O)xH group is bonded to a CH group on the C10-15H22-32 chain. The present invention also relates to a coatings composition containing the composite as well as a process for preparing the pre-paint composite and the coatings composition.

    Abstract translation: 本发明涉及一种预涂料复合材料，其包含TiO 2颗粒和附着和未附着的聚合物粘合剂的水性浆料和足量的式C10-15H22-32O（CH2CH2O）xH的仲醇乙氧基化物，得到35至90 基于预涂料复合材料中的总聚合物粘合剂的重量，聚合物粘合剂与TiO 2颗粒的重量百分比附着，其中x为15至50; 并且O（CH 2 CH 2 O）x H基团键合在C 10-15H 22-32链上的CH基团上。 本发明还涉及含有复合材料的涂料组合物以及制备预涂料复合材料和涂料组合物的方法。

    Dispersion of adsorbing emulsion polymer particles
    5.
    发明授权
    Dispersion of adsorbing emulsion polymer particles 有权

    公开(公告)号：US09932431B2

    公开(公告)日：2018-04-03

    申请号：US14732838

    申请日：2015-06-08

    Applicant: Rohm and Haas Company

    Inventor： Arnold S. Brownell ,  Yogesh Tiwary

    IPC: C09D133/08 ,  C08F220/18 ,  C08F220/10 ,  C08L33/06

    CPC classification number: C08F220/18 ,  C08F220/10 ,  C08L33/06 ,  C09D133/08 ,  C08F220/06 ,  C08F220/40 ,  C08F230/02 ,  C08F220/58

    Abstract: The present invention is a composition comprising a stable aqueous dispersion of polymer particles having a core comprising structural units of: a) a phosphorus acid monomer, b) an acid monomer, c) a multiethylenically unsaturated monomer; and d) a polymerizable ethylenically unsaturated bulk monomer; and a shell comprising structural units of a1) a sulfur acid monomer, and b1) a polymerizable ethylenically unsaturated bulk monomer; wherein the core protuberates from the shell and the ratio of the structural units of the sulfur acid monomer to structural units of carboxylic acid monomer in shell is at least 0.2:1. Control of the proportion of sulfur acid monomer units to carboxylic acid monomer units results in an improvement in the viscosity stability of paint formulations containing latexes possessing acorn morphology without sacrificing hiding.

    PROCESS FOR PREPARING POLYMER ENCAPSULATED TiO2 PARTICLES
    7.
    发明申请
    PROCESS FOR PREPARING POLYMER ENCAPSULATED TiO2 PARTICLES 有权
    制备聚合物纳米TiO2颗粒的方法

    公开(公告)号：US20160340539A1

    公开(公告)日：2016-11-24

    申请号：US15156390

    申请日：2016-05-17

    Applicant: Rohm and Haas Company

    Inventor： James C. Bohling ,  David G. Kelly ,  Pu Luo ,  Yogesh Tiwary

    IPC: C09D133/08

    CPC classification number: C09D133/08 ,  C08F220/18 ,  C09C1/3676 ,  C09D4/00 ,  C08F220/06

    Abstract: The present invention relates to a process for preparing an aqueous dispersion of polymer encapsulated TiO2 particles, comprising a multistage polymerization steps that includes a relatively large amount of low Tg first monomers and a relatively small amount of high Tg second monomers that comprise a relatively high concentration of an acid monomer. The dispersion of encapsulated TiO2 particles shows significantly improved freeze-thaw stability as compared with prior art processes that do not include staging with the second monomers described herein.

    Abstract translation: 本发明涉及一种制备聚合物包封的TiO 2颗粒的水分散体的方法，其包括多阶段聚合步骤，其包括相对大量的低Tg第一单体和相对少量的高Tg第二单体，其包含相对高的浓度 的酸单体。 与现有技术的方法相比，包封的TiO 2颗粒的分散体显示出显着改善的冻融稳定性，其不包括用本文所述的第二单体进行分级。

    DISPERSION OF ADSORBING EMULSION POLYMER PARTICLES
    8.
    发明申请
    DISPERSION OF ADSORBING EMULSION POLYMER PARTICLES 有权
    吸附乳化聚合物颗粒的分散体

    公开(公告)号：US20150361291A1

    公开(公告)日：2015-12-17

    申请号：US14732838

    申请日：2015-06-08

    Applicant: Rohm and Haas Company

    Inventor： Arnold S. Brownell ,  Yogesh Tiwary

    IPC: C09D133/08

    CPC classification number: C08F220/18 ,  C08F220/10 ,  C08L33/06 ,  C09D133/08 ,  C08F220/06 ,  C08F220/40 ,  C08F230/02 ,  C08F220/58

    Abstract: The present invention is a composition comprising a stable aqueous dispersion of polymer particles having a core comprising structural units of: a) a phosphorus acid monomer, b) an acid monomer, c) a multiethylenically unsaturated monomer; and d) a polymerizable ethylenically unsaturated bulk monomer; and a shell comprising structural units of a1) a sulfur acid monomer, and b1) a polymerizable ethylenically unsaturated bulk monomer; wherein the core protuberates from the shell and the ratio of the structural units of the sulfur acid monomer to structural units of carboxylic acid monomer in shell is at least 0.2:1. Control of the proportion of sulfur acid monomer units to carboxylic acid monomer units results in an improvement in the viscosity stability of paint formulations containing latexes possessing acorn morphology without sacrificing hiding.

    Abstract translation: 本发明是一种包含稳定的聚合物颗粒水分散体的组合物，其具有包含以下结构单元的芯：a）磷酸单体，b）酸单体，c）多烯属不饱和单体; 和d）可聚合烯属不饱和本体单体; 和包含a1）硫酸单体的结构单元的壳，和b1）可聚合的烯属不饱和本体单体; 其中所述芯从壳体突出，并且所述硫酸单体的结构单元与壳中羧酸单体的结构单元的比例为至少0.2:1。 控制硫酸单体单元与羧酸单体单元的比例导致含有橡胶形态的胶乳的涂料配方的粘度稳定性得到改善，而不会牺牲隐藏。

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