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    Low-voc aqueous coating compositions with excellent freeze-thaw stability
    2.
    发明申请
    Low-voc aqueous coating compositions with excellent freeze-thaw stability 有权
    具有优异的冻融稳定性的低声级含水涂料组合物

    公开(公告)号：US20070105982A1

    公开(公告)日：2007-05-10

    申请号：US10580250

    申请日：2004-12-01

    Applicant: Konrad Roschmann ,  Jorg Leuninger ,  Rolf Dersch ,  Cheng-Le Zhao ,  Li Zhuo ,  Terri Cunningham

    Inventor： Konrad Roschmann ,  Jorg Leuninger ,  Rolf Dersch ,  Cheng-Le Zhao ,  Li Zhuo ,  Terri Cunningham

    IPC: C09D151/00

    CPC classification number: C09D151/003 ,  C08F265/06 ,  C08K3/013 ,  C08F2/22

    Abstract: The present invention relates to an aqueous coating composition having excellent freeze-thaw stability and a low-VOC content, comprising a multi-stage polymer dispersion comprising (a) an inner phase comprising at least one latex polymer derived from at least one monomer and at least one polymerizable alkoxylated surfactant having the structure: R1—R2 wherein R1 is an allyl group selected from the group consisting of CH3—CH═CH— and CH2═CH—CH2—, or an acrylic group and R2 is a radical comprising at least two carbon atoms and at least one oxyethylene or oxypropylene unit; (b) an outer phase having a glass transition temperature of from 30° C. to 110° C. containing at least one ethylenic unsaturated monomer (c) at least one pigment; (d) water; and (e) less than 3.0% by weight based on the total weight of the aqueous coating composition of anti-freeze agents.

    Abstract translation: 本发明涉及具有优异的冻融稳定性和低VOC含量的水性涂料组合物，其包含多级聚合物分散体，其包含（a）内相，其包含至少一种衍生自至少一种单体的胶乳聚合物和 至少一种具有以下结构的可聚合的烷氧基化表面活性剂：R 1 -R 2其中R 1是选自下组的烯丙基：CH 3 - CH-CH-和CH 2 -CH-CH 2 - ，或丙烯酸基和R 2是包含至少两个碳的基团 原子和至少一个氧化乙烯或氧丙烯单元; （b）含有至少一种烯属不饱和单体（c）至少一种颜料的玻璃化转变温度为30℃至110℃的外相; （d）水; 和（e）基于抗冻剂的水性涂料组合物的总重量小于3.0重量％。

    Dispersion resins containing itaconic acid for improving wet abrasion resistance
    5.
    发明授权
    Dispersion resins containing itaconic acid for improving wet abrasion resistance 有权
    含有衣康酸的分散树脂用于改善耐湿磨损性

    公开(公告)号：US06790272B1

    公开(公告)日：2004-09-14

    申请号：US09623487

    申请日：2000-09-15

    Applicant: Cheng-Le Zhao ,  Joachim Roser ,  Rolf Dersch ,  Roland Baumstark

    Inventor： Cheng-Le Zhao ,  Joachim Roser ,  Rolf Dersch ,  Roland Baumstark

    IPC: C09D502

    CPC classification number: C09D17/004 ,  C08F222/02 ,  C09D5/024 ,  C09D133/064 ,  C08L2666/54

    Abstract: The invention relates to aqueous pigment preparations containing i) at least one copolymer P of ethylenically unsaturated monomers M in the form of an aqueous polymer dispersion which contains between 0.1 and 1.5 weight %, in relation to the total weight of the copolymer P, of polymerized itaconic acid as acid monomer M1, its salts and/or anhydride, where up to 50 weight % of the itaconic acid can be substituted by another monomer having at least one acid group or a neutralized acid group, and whose glass transition temperature TG lies between −10 and +50° C.; ii) at least one inorganic pigment; iii) possibly inorganic fillers; and iv) standard additives. The invention also relates to the use of the copolymers P containing itaconic acid for improving the wet-abrasion resistance of polymer-bound coatings containing pigments.

    Abstract translation: 本发明涉及水性颜料制剂，其含有i）至少一种含水聚合物分散体形式的烯属不饱和单体M的共聚物P，其相对于共聚物P的总重量为0.1至1.5重量％，聚合的 衣康酸作为酸单体M1，其盐和/或酸酐，其中至多50重量％的衣康酸可以被具有至少一个酸基或中和的酸基的另一个单体取代，并且其玻璃化转变温度TG位于 -10和+ 50°C。 ii）至少一种无机颜料; iii）可能的无机填料; 和iv）标准添加剂。 本发明还涉及含有衣康酸的共聚物P用于改善含有颜料的聚合物结合涂层的耐湿耐磨性的用途。

    Aqueous polymer dispersions
    6.
    发明授权
    Aqueous polymer dispersions 有权
    聚合物水分散体

    公开(公告)号：US06710112B1

    公开(公告)日：2004-03-23

    申请号：US09702724

    申请日：2000-11-01

    Applicant: Mario Sandor ,  Cheng-Le Zhao ,  Harald Röckel ,  Uwe Dittrich

    Inventor： Mario Sandor ,  Cheng-Le Zhao ,  Harald Röckel ,  Uwe Dittrich

    IPC: C08L5100

    CPC classification number: C08F2/38 ,  C08F2/22 ,  C08F212/08 ,  C08F265/06 ,  C08F2220/1825 ,  C08F220/14 ,  C08F220/34 ,  C08F220/06 ,  C08F220/18

    Abstract: An aqueous polymer dispersion having a minimum film-forming temperature of below +65° C. comprising at least one film-forming polymer in the form of dispersed polymer particles comprising a polymer phase P1 and a different polymer phase P2, the polymer dispersion being obtainable by free-radical aqueous emulsion polymerization comprising the following steps: i) polymerization of a first monomer charge M1 to give a polymer P1 having a theoretical glass transition temperature Tg(1) (according to Fox) and ii) polymerization of a second monomer charge M2 to give a polymer P2 having a theoretical glass transition temperature Tg(2) (according to Fox) which is different from Tg(1) in the aqueous dispersion of the polymer P1, at least one chain transfer reagent being used either in the polymerization of the monomer charge M1 or in the polymerization of the monomer charge M2; a process for preparing the aqueous polymer dispersion; and a pigmented and/or filled coating composition comprising as a binder the aqueous polymer dispersion.

    Abstract translation: 具有低于+ 65℃的最低成膜温度的含水聚合物分散体包含至少一种形成分散聚合物颗粒形式的成膜聚合物，该聚合物颗粒包含聚合物相P1和不同的聚合物相P2，可获得聚合物分散体 通过自由基水性乳液聚合，包括以下步骤：i）聚合第一单体电荷M1以得到具有理论玻璃化转变温度Tg <（1）>（根据Fox）的聚合物P1，和ii）第二次聚合 单体电荷M2，得到在聚合物P1的水性分散体中具有与Tg <（1）>不同的理论玻璃化转变温度Tg <（2）>（根据Fox）的聚合物P2，至少一种链转移试剂 用于单体电荷M1的聚合或单体电荷M2的聚合中; 制备聚合物水分散体的方法; 以及着色和/或填充的涂料组合物，其包含水性聚合物分散体作为粘合剂。

    Use of surfactants for improving the compatibility of inorganic pigments in aqueous coating compositions
    7.
    发明授权
    Use of surfactants for improving the compatibility of inorganic pigments in aqueous coating compositions 有权
    使用表面活性剂改善无机颜料在水性涂料组合物中的相容性

    公开(公告)号：US06638998B2

    公开(公告)日：2003-10-28

    申请号：US09837034

    申请日：2001-04-18

    Applicant: Cheng-Le Zhao ,  Uwe Dittrich

    Inventor： Cheng-Le Zhao ,  Uwe Dittrich

    IPC: C08J300

    CPC classification number: C09D5/027

    Abstract: The present invention is an aqueous coating composition and method of preparing same that uses certain polyoxyalkylene phosphate surfactants to increase the compatibility of inorganic pigments such as TiO2 with latex polymer binders to reduce the clustering of the inorganic pigment particles in the aqueous coating composition. The aqueous coating composition of the invention includes at least one polyoxyalkylene phosphate surfactant having the following structure: wherein m is 1 or 2, n is an integer from 1 to 100, R1 is C1-C5 alkyl, O—R2 is an alkylphenol residue wherein R2 has the structure C6H4—CpH2p+1 or O—R2 is a linear or branched alkyl alcohol residue wherein R2 has the structure CpH2p+1, and p is an integer from 1 to 30. The aqueous composition further includes at least one latex polymer, at least one inorganic pigment and water.

    Abstract translation: 本发明是一种水性涂料组合物及其制备方法，其使用某些聚氧化烯磷酸酯表面活性剂来增加无机颜料如TiO 2与胶乳聚合物粘合剂的相容性，以减少水性涂料组合物中无机颜料颗粒的聚集。 本发明的水性涂料组合物包括至少一种具有以下结构的聚氧化烯磷酸酯表面活性剂：其中m为1或2，n为1至100的整数，R 1为C 1 -C 5烷基，OR 2为 烷基酚残基，其中R 2具有结构C6H4-CpH2p + 1或OR2是直链或支链烷基醇残基，其中R 2具有结构式CpH2p + 1，p是1至30的整数 水性组合物还包含至少一种胶乳聚合物，至少一种无机颜料和水。

    Low-VOC emulsion polymer coating compositions
    10.
    发明授权
    Low-VOC emulsion polymer coating compositions 有权
    低VOC乳液聚合物涂料组合物

    公开(公告)号：US07705082B2

    公开(公告)日：2010-04-27

    申请号：US11912289

    申请日：2006-01-06

    Applicant: Robert Shane Porzio ,  Cheng-Le Zhao ,  Michael Anchor

    Inventor： Robert Shane Porzio ,  Cheng-Le Zhao ,  Michael Anchor

    IPC: C08K3/26

    CPC classification number: C09D5/024 ,  C09D7/20

    Abstract: An aqueous latex coating composition and method of making an aqueous latex coating composition that comprises at least one oligomeric ethylene glycol derivative having the structure RO—(CH2—CH2—O—)n—H, at least one latex polymer, and water, wherein R is H or C1-C4 alkyl and preferably H, and n is from 3 to 9, preferably from 3 to 8, and more preferably from 3 to 6. The oligomeric ethylene glycol derivative functions as both a coalescing solvent and freeze-thaw stabilizer without contributing to the VOC content of the composition.

    Abstract translation: 一种水性胶乳涂料组合物和制备水性胶乳涂料组合物的方法，其包含至少一种具有结构RO-（CH 2 -CH 2 -O-）n -H的至少一种乙二醇衍生物，至少一种胶乳聚合物和水，其中 R为H或C 1 -C 4烷基，优选为H，n为3至9，优选为3至8，更优选为3至6.低聚乙二醇衍生物用作聚结溶剂和冻融稳定剂 而不会对组合物的VOC含量作出贡献。

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