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    POLYOLEFIN/(METH)ACRYLIC IMPACT MODIFIER AND METHOD OF PREPARING SAME
    32.
    发明申请
    POLYOLEFIN/(METH)ACRYLIC IMPACT MODIFIER AND METHOD OF PREPARING SAME 审中-公开
    聚丙烯/（甲基）丙烯酸类冲击改性剂及其制备方法

    公开(公告)号：US20160168368A1

    公开(公告)日：2016-06-16

    申请号：US14902580

    申请日：2014-06-30

    申请人： DOW GLOBAL TECHNOLOGIES LLC ,  ROHM AND HAAS COMPANY

    发明人： Liang Chen ,  Yannick Saint-Gerard ,  Veera Nelliappan ,  Vithya A. Abdul-Rahiman

    IPC分类号： C08L23/08 ,  C08L69/00

    CPC分类号： C08L23/0815 ,  C08F255/02 ,  C08L23/26 ,  C08L69/00 ,  C08L2205/02 ,  C08L2205/03 ,  C08L2205/035 ,  C08L2207/53 ,  C08F220/18 ,  C08F230/08 ,  C08F222/1006 ,  C08F2220/1858 ,  C08L51/06

    摘要： A composite polymer composition comprising: the emulsion polymerization product of: (i) an aqueous polyolefin dispersion comprising the melt kneading product of one or more polyolefins, from 2 to 25 wt % of one or more dispersion stabilizing agents and water, and (ii) one or more (meth)acrylic monomers; wherein the one or more polyolefins have a Tg equal to or less than 50° C.; and wherein the melt kneading product (i) comprises polymer particles having a volume average particle size between 150 nm and 2000 nm dispersed in the water; and wherein the one or more (meth)acrylic monomers polymerize onto the polymer particles form composite polymer particles is provided. Also provided is a method of making the composition and impact modifiers comprising the composition.

    摘要翻译： 一种复合聚合物组合物，其包含：（i）包含一种或多种聚烯烃的熔融捏合产物，2至25wt％的一种或多种分散稳定剂和水的含水聚烯烃分散体的乳液聚合产物，和（ii） 一种或多种（甲基）丙烯酸单体; 其中所述一种或多种聚烯烃的Tg等于或小于50℃; 并且其中所述熔融捏合产物（i）包含分散在水中的体积平均粒度在150nm和2000nm之间的聚合物颗粒; 并且其中提供一种或多种（甲基）丙烯酸单体聚合到聚合物颗粒上形成复合聚合物颗粒。 还提供了制备包含该组合物的组合物和抗冲改性剂的方法。

    Suncare compositions
    35.
    发明授权
    Suncare compositions 有权

    公开(公告)号：US11058613B2

    公开(公告)日：2021-07-13

    申请号：US16634320

    申请日：2018-06-28

    申请人： Rohm and Haas Company ,  Dow Global Technologies LLC

    发明人： Wenjun Xu ,  Fanwen Zeng ,  Benjamin Yezer ,  Liang Chen ,  Dale C. Schmidt ,  Inna Shulman

    IPC分类号： A61K8/02 ,  A61K8/34 ,  A61K8/81 ,  A61K8/86 ,  A61K8/89 ,  A61Q17/04

    摘要： A suncare formulation comprising: a dermatologically acceptable organic carrier; a UV radiation absorbing agent; and an SPF booster; wherein the SPF booster comprises a multistage polymeric particle having a core comprising polymerized units of a monoethylenically unsaturated carboxylic acid core monomer and a non-ionic ethylenically unsaturated core monomer; an inner shell comprising polymerized units of a non-ionic ethylenically unsaturated inner shell monomer; a monoethylenically unsaturated carboxylic acid inner shell monomer and an aliphatic inner shell monomer; an outer shell comprising polymerized units of a non-ionic ethylenically unsaturated outer shell monomer; an aliphatic outer shell monomer; a monoethylenically unsaturated non-carboxylic acid outer shell monomer and an ethylenically unsaturated surfactant outer shell monomer; wherein the core, when dry, contains a void; wherein the multistage polymeric particle has an average particle size, when dry, of 50 to 1,000 nm.

    ADDITIVE COMPOSITION AND METHOD
    36.
    发明申请
    ADDITIVE COMPOSITION AND METHOD 审中-公开

    公开(公告)号：US20200148810A1

    公开(公告)日：2020-05-14

    申请号：US16632043

    申请日：2018-07-10

    申请人： Dow Global Technologies LLC

    发明人： Min Zhao ,  Liang Chen ,  Xue Chen

    IPC分类号： C08G18/76 ,  C08G18/75 ,  C08G18/73 ,  C08G18/32 ,  C08J3/215 ,  C08J3/12

    摘要： An additive comprising an active; the interfacial polymerization reaction product of a (poly)isocyanate and a polyamine; a copolymer having maleic anhydride-based repeat units and either or both of olefinic or styrenic-based repeat units; wherein at least a portion of the maleic anhydride-based repeat units are neutralized. A method of preparing an additive comprising providing an oil phase comprising an active, a solvent, a (poly)isocyanate; providing an aqueous phase comprising water and an emulsifier; mixing the oil phase and the aqueous phase to provide an emulsion; providing a polyamine to the emulsion; providing an aqueous dispersion or solution comprising a copolymer having maleic anhydride-based repeat units and either or both of olefinic or styrenic-based repeat units; wherein at least a portion of the maleic anhydride-based repeat units are neutralized; and cofeeding the emulsion and the aqueous dispersion or solution to a spray dryer.

    Polyolefin/(meth)acrylic impact modifier and method of preparing same
    38.
    发明授权
    Polyolefin/(meth)acrylic impact modifier and method of preparing same 有权

    公开(公告)号：US10131775B2

    公开(公告)日：2018-11-20

    申请号：US14902580

    申请日：2014-06-30

    申请人： Dow Global Technologies LLC ,  Rohm and Haas Company

    发明人： Liang Chen ,  Yannick Saint-Gerard ,  Veera Nelliappan ,  Vithya A. Abdul-Rahiman

    IPC分类号： C08F255/02 ,  C08L23/08 ,  C08L23/26 ,  C08L69/00

    摘要： A composite polymer composition comprising: the emulsion polymerization product of: (i) an aqueous polyolefin dispersion comprising the melt kneading product of one or more polyolefins, from 2 to 25 wt % of one or more dispersion stabilizing agents and water, and (ii) one or more (meth)acrylic monomers; wherein the one or more polyolefins have a Tg equal to or less than 50° C.; and wherein the melt kneading product (i) comprises polymer particles having a volume average particle size between 150 nm and 2000 nm dispersed in the water; and wherein the one or more (meth)acrylic monomers polymerize onto the polymer particles form composite polymer particles is provided. Also provided is a method of making the composition and impact modifiers comprising the composition.