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    Method for reducing the quantity of residual monomers in aqueous polymeric dispersions
    1.
    发明授权
    Method for reducing the quantity of residual monomers in aqueous polymeric dispersions 失效
    降低水性聚合物分散体中残余单体量的方法

    公开(公告)号：US06433132B1

    公开(公告)日：2002-08-13

    申请号：US09784452

    申请日：2001-08-17

    申请人： Claudia Wood ,  Roland Baumstark ,  Johannes Dobbelaar

    发明人： Claudia Wood ,  Roland Baumstark ,  Johannes Dobbelaar

    IPC分类号： C08F600

    CPC分类号： C08F6/006

    摘要： A process for reducing the amount of residual monomer in aqueous polymer dispersions operates by aftertreatment with an initiator system essentially comprising a) from 0.001 to 5% by weight, based on the total monomer amount used to prepare the polymer dispersion, a1) of an oxidizing agent R1OOH,  where R1 is hydrogen or a C1-C8-alkyl or a C6-C12-aryl group, and/or a2) of a compound which in aqueous medium releases hydrogen peroxide, and b) from 0.005 to 5% by weight, based on the total monomer amount used to prepare the polymer dispersion, of a reducing agent prepared from b1) an aldehyde R2CH═O,  where R2 is a C1-C12-alkyl group which may contain functional groups and/or may be olefinically unsaturated, and b2) an inorganic dithionite, and c) catalytic amounts of a polyvalent metal ion which is able to exist in a plurality of valence states.

    摘要翻译： 用于降低聚合物水分散体中残余单体量的方法通过用引发剂体系进行后处理来操作，所述引发剂体系基本上包含a）0.001至5重量％，基于用于制备聚合物分散体的总单体量，a1）氧化剂 其中R1是氢或C1-C8烷基或C6-C12-芳基，和/或a2）在水性介质中释放过氧化氢的化合物，和b）0.005至5重量％，基于总单体 用于制备聚合物分散体的量，由b）醛，其中R2是可以含有官能团和/或可以是烯属不饱和的C1-C12-烷基，和b2）无机连二亚硫酸盐，和c）催化量 的能够以多个价态存在的多价金属离子。

    Method of coating substrates comprising polyurethane
    4.
    发明授权
    Method of coating substrates comprising polyurethane 失效
    涂覆包含聚氨酯的基材的方法

    公开(公告)号：US06265028B1

    公开(公告)日：2001-07-24

    申请号：US09348293

    申请日：1999-07-07

    申请人： Cheng-Le Zhao ,  Eckehardt Wistuba ,  Roland Baumstark ,  Gerald Wildburg

    发明人： Cheng-Le Zhao ,  Eckehardt Wistuba ,  Roland Baumstark ,  Gerald Wildburg

    IPC分类号： B05D302

    CPC分类号： C08J7/047 ,  C08J2375/04 ,  C08J2433/00 ,  C08J2439/00 ,  C09D133/08 ,  C08L2666/34

    摘要： Aqueous formulations comprising: i) at least one film-forming polymer A constructed from ethylenically unsaturated monomers M and present in dispersed form in the aqueous formulation, said monomers M comprising at least one monethylenically unsaturated monomer M1 of the formula I  where X, R1, R2 and R3 are as defined in claim 1 and ii) at least one compound B having two or more aldehyde groups are used for coating substrates consisting essentially of polyurethanes.

    摘要翻译： 水性制剂，其包含：i）至少一种由烯属不饱和单体M构成并以分散形式存在于水性制剂中的成膜聚合物A，所述单体M包含至少一种式I的单烯属不饱和单体M1，其中X，R 1， R2和R3如权利要求1所定义，ii）至少一种具有两个或更多个醛基的化合物B用于涂覆基本上由聚氨酯组成的基材。

    Process for preparing an aqueous polymer dispersion
    5.
    发明授权
    Process for preparing an aqueous polymer dispersion 失效
    制备聚合物水分散体的方法

    公开(公告)号：US5756574A

    公开(公告)日：1998-05-26

    申请号：US809601

    申请日：1997-04-03

    申请人： Roland Baumstark ,  Robert Rupaner

    发明人： Roland Baumstark ,  Robert Rupaner

    IPC分类号： C08F2/00 ,  C08F2/16 ,  C08F2/22 ,  C08F4/40 ,  C08F6/00 ,  C08F12/08 ,  C08F14/06 ,  C08F14/08 ,  C08F18/08 ,  C08F18/10 ,  C08F20/04 ,  C08F20/12 ,  C08F20/56

    CPC分类号： C08F6/006

    摘要： A process for the preparation of an aqueous polymer emulsion, in which an aqueous emulsion of a polymer which contains at least one chemically bonded monomer having at least one ethylenically unsaturated group is produced in a manner known per se so that the total content of free monomers having at least one ethylenically unsaturated double bond, ie. monomers of this type which are not chemically bonded, in the aqueous polymer emulsion is from >0 to .ltoreq.1% by weight, based on the polymer content of the aqueous polymer emulsion, and this residual monomer content is then reduced by the action of a free radical redox initiator system comprising at least one oxidizing agent and at least one reducing agent, wherein the redox initiator system comprises, as the reducing agent, one which is present, in aqueous solution, in at least two tautomeric forms in equilibrium with one another (for example aminoiminomethanesulfinic acid and/or the salts thereof).

    摘要翻译： PCT No.PCT / EP95 / 03770 371日期1997年4月3日 102（e）日期1997年4月3日PCT提交1995年9月23日PCT公布。 第WO96 / 10588号公报 日期1996年4月11日制备含水聚合物乳液的方法，其中含有至少一种具有至少一个烯键式不饱和基团的化学键合单体的聚合物的水性乳液以本身已知的方式制备， 具有至少一个烯属不饱和双键的游离单体的总含量，即 基于聚合物水乳液的聚合物含量，在聚合物水乳液中不含化学键合的这类单体的重量百分比> 0至<1％，然后通过作用 包含至少一种氧化剂和至少一种还原剂的自由基氧化还原引发剂体系，其中所述氧化还原引发剂体系包含在水溶液中存在的至少两种互变异构体作为还原剂，其与 彼此（例如氨基亚氨基甲亚磺酸和/或其盐）。

    USE OF AQUEOUS COMPOSITE-PARTICLE DISPERSIONS AS BINDERS IN ELASTIC COATINGS
    6.
    发明申请
    USE OF AQUEOUS COMPOSITE-PARTICLE DISPERSIONS AS BINDERS IN ELASTIC COATINGS 审中-公开
    在弹性涂料中使用水性复合粒子分散剂作为粘合剂

    公开(公告)号：US20110207851A1

    公开(公告)日：2011-08-25

    申请号：US13061644

    申请日：2009-09-01

    申请人： Bas Lohmeijer ,  Harm Wiese ,  Roland Baumstark ,  Luis Carlos Santos Esteves

    发明人： Bas Lohmeijer ,  Harm Wiese ,  Roland Baumstark ,  Luis Carlos Santos Esteves

    IPC分类号： C09D137/00 ,  B05D3/00

    CPC分类号： C09D4/00 ,  C08F220/18 ,  C08F230/08 ,  C08F2220/325 ,  C09D133/08

    摘要： The present invention provides for the use of an aqueous dispersion of particles composed of polymer and finely divided inorganic solid (aqueous composite-particle dispersion) as a binder in elastic coatings, such as paints, more particularly exterior architectural paints, comprising preparing the aqueous composite-particle dispersion by dispersely distributing ethylenically unsaturated monomers in an aqueous medium and carrying out polymerization by means of at least one free-radical polymerization initiator in the presence of at least one dispersely distributed, finely divided inorganic solid having an average particle diameter ≦100 nm and at least one dispersant by the method of free-radically aqueous emulsion polymerization, and using as ethylenically unsaturated monomers a monomer mixture which comprises ethylenically unsaturated monomers A and optionally 0% to ≦10% by weight of an ethylenically unsaturated monomer B containing an epoxide group (epoxide monomer).

    摘要翻译： 本发明提供了由聚合物和细碎无机固体（水分复合粒子分散体）组成的颗粒的水性分散体作为粘合剂在弹性涂料中的用途，如涂料，尤其是外部建筑涂料，包括制备水性复合材料 通过在水介质中分散分布烯键式不饱和单体并在至少一种具有平均粒径为nlE的分散细分散的无机固体的存在下，通过至少一种自由基聚合引发剂进行聚合; - 100 nm和至少一种分散剂，并且使用作为烯属不饱和单体的单体混合物，所述单体混合物包含烯属不饱和单体A和任选的0％至＆lt; 10％重量的含烯属不饱和单体B 环氧基（环氧单体）。

    Dispersion resins containing itaconic acid for improving wet abrasion resistance
    7.
    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

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

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

    IPC分类号： C09D502

    CPC分类号： C09D17/004 ,  C08F222/02 ,  C09D5/024 ,  C09D133/064 ,  C08L2666/54

    摘要： 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.

    摘要翻译： 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。

    Method of reducing the quantity of residual monomers in aqueous dispersions of polymers
    10.
    发明授权
    Method of reducing the quantity of residual monomers in aqueous dispersions of polymers 失效
    降低聚合物水分散体中残留单体数量的方法

    公开(公告)号：US06365709B1

    公开(公告)日：2002-04-02

    申请号：US09786273

    申请日：2001-03-02

    申请人： Claudia Heibel ,  Roland Baumstark

    发明人： Claudia Heibel ,  Roland Baumstark

    IPC分类号： C08F600

    CPC分类号： C08F6/006

    摘要： A process for reducing the amount of residual monomer in aqueous polymer dispersions operates by aftertreatment with an initiator system essentially comprising a) from 0.001 to 5% by weight, based on the total monomer amount used to prepare the polymer dispersion, a1) of an oxidizing agent R1OOH,  where R1 is hydrogen or a C1-C8-alkyl or a C6-C12-aryl group, and/or a2) of a compound which in aqueous medium releases hydrogen peroxide, and b) from 0.005 to 5% by weight, based on the total monomer amount used to prepare the polymer dispersion, b1) of an &agr;-hydroxycarbonyl compound  where R2 and R3 independently of one another are hydrogen and/or a C1-C12-alkyl group which may contain functional groups and/or may be olefinically unsaturated, or R2 and R3 optionally, by way of methylene groups, form a ring structure which may contain functional groups and/or may be olefinically unsaturated, and/or b2) of a compound which in aqueous medium releases such &agr;-hydroxycarbonyl compounds, and c) advantageously, catalytic amounts of a polyvalent metal ion which is able to exist in a plurality of valence states.

    摘要翻译： 用于降低聚合物水分散体中残余单体量的方法通过用引发剂体系进行后处理来操作，所述引发剂体系基本上包含a）0.001至5重量％，基于用于制备聚合物分散体的总单体量，a1）氧化剂 其中R1是氢或C1-C8烷基或C6-C12-芳基，和/或a2）在水性介质中释放过氧化氢的化合物，和b）0.005至5重量％，基于总单体 用于制备聚合物分散体的量，b1）其中R 2和R 3彼此独立地是氢和/或可以含有官能团和/或可以是烯属不饱和的C 1 -C 12 - 烷基的α-羟基羰基化合物，或 R2和R3任选地通过亚甲基形成环状结构，其可以含有在水性介质中释放这种α-羟基羰基化合物的化合物的官能团和/或可以是烯属不饱和和/或orb2），和c）优势 催化量的能够以多个价态存在的多价金属离子。