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。

公开(公告)号：US06489381B1

公开(公告)日：2002-12-03

申请号：US09639952

申请日：2000-08-17

Applicant: Stefan Dreher ,  Joachim Pakusch ,  Mario Sandor ,  Bernd Reck ,  Claudia Wood ,  Hans-Jürgen Denu

Inventor： Stefan Dreher ,  Joachim Pakusch ,  Mario Sandor ,  Bernd Reck ,  Claudia Wood ,  Hans-Jürgen Denu

IPC: C08K300

CPC classification number: C04B24/2694 ,  C04B24/2647 ,  C04B24/2676 ,  C04B28/02 ,  C04B2103/0057 ,  C04B2103/0065 ,  C04B2111/00793 ,  C08F290/062 ,  C08F2220/1825 ,  C08F2220/1858 ,  C09D1/08 ,  C09D5/34 ,  C09K3/10 ,  C09K2200/0243 ,  C09K2200/0625 ,  C08F212/08 ,  C08F2220/286 ,  C08F220/06 ,  C08F220/14 ,  C08F220/44 ,  C08F2220/1808

Abstract: Cement-based compositions comprising per 100 parts by weight of cement from 1 to 500 parts by weight of a polymer built up from a) 30-99.5% by weight of at least one alkyl ester of (meth)acrylic acid, b) 0-70% by weight of at least one vinylaromatic, c) 0.5-10% by weight of at least one alkyl polyethoxy(meth)acrylate of the formula where R1 is a hydrogen atom or a methyl group, R2 is a C1 to C4 alkyl group and n is an integer from 1 to 55, d) 0-10% by weight of at least one ethylenically unsaturated mono- or dicarboxylic acid, such as acrylic acid, methacrylic acid, maleic acid, itaconic acid, or anhydride, amide or hydroxyalkylamide thereof, e) 0-10% by weight of acrylonitrile or methacrylonitrile, and f) 0-50% by weight of further ethylenically unsaturated compounds other than a) to e).

Abstract translation: 包含100重量份水泥的水泥基组合物，其为1至500重量份由a）30-99.5重量％的至少一种（甲基）丙烯酸烷基酯组成的聚合物，b）0-70 至少一种乙烯基芳族化合物的重量百分数，c）0.5-10重量％的至少一种式（I）的烷基聚乙氧基（甲基）丙烯酸酯是氢原子或甲基，R 2是C 1至C 4烷基，n 是1至55的整数，d）0-10重量％的至少一种烯属不饱和单羧酸或二羧酸，例如丙烯酸，甲基丙烯酸，马来酸，衣康酸或其酸酐，酰胺或羟烷基酰胺， e）0-10重量％的丙烯腈或甲基丙烯腈，和f）0-50重量％的除a）至e）之外的其它烯属不饱和化合物。

公开(公告)号：US06469135B2

公开(公告)日：2002-10-22

申请号：US09932932

申请日：2001-08-21

Applicant: Mario Sandor ,  Joachim Pakusch ,  Heinrich Sack ,  Markus Koppers ,  Hans-Jürgen Denu ,  Rolf Gulden

Inventor： Mario Sandor ,  Joachim Pakusch ,  Heinrich Sack ,  Markus Koppers ,  Hans-Jürgen Denu ,  Rolf Gulden

IPC: C08F600

CPC classification number: C04B28/02 ,  C04B40/0042 ,  C04B2103/0057 ,  C04B2103/0091 ,  C08J3/16 ,  Y02W30/97 ,  C04B24/16 ,  C04B24/22 ,  C04B24/2676 ,  C04B14/06 ,  C04B16/06 ,  C04B18/24 ,  C04B40/0608 ,  C04B2103/54

Abstract: The present invention provides a process for preparing polymer powders by evaporating the volatile constituents from aqueous dispersions of film-forming polymers P in the presence of drying assistants T selected from the salts of oligomeric arylsulfonic acid-formaldehyde condensates wherein prior to the evaporation of the volatile constituents the aqueous polymer dispersion comprises at least 1.5% by weight, preferably at least 1.7% by weight, based on the polymer in the dispersion, of at least one anionic surface-active compound AO having at least one C6-C32 alkyl group; the polymer powders obtainable by the process; and their use in binding mineral building materials.

Abstract translation: 本发明提供了一种制备聚合物粉末的方法，该方法是在选自低聚芳基磺酸 - 甲醛缩合物的盐的干燥助剂T的存在下，从成膜聚合物P的水性分散体中蒸发挥发性成分，其中在蒸发挥发性 含水聚合物分散体包含至少一种具有至少一个C 6 -C 32烷基的至少一种阴离子表面活性化合物AO至少1.5重量％，优选至少1.7重量％，基于分散体中的聚合物; 通过该方法可获得的聚合物粉末; 并将其用于结合矿物建筑材料。

公开(公告)号：US06559221B2

公开(公告)日：2003-05-06

申请号：US09927390

申请日：2001-08-13

Applicant: Mario Sandor ,  Joachim Pakusch ,  Wolfgang Hümmer ,  Hans-Jürgen Denu ,  Rolf Gulden

Inventor： Mario Sandor ,  Joachim Pakusch ,  Wolfgang Hümmer ,  Hans-Jürgen Denu ,  Rolf Gulden

IPC: C08L4304

CPC classification number: C08F290/06 ,  C08F246/00 ,  C08F257/02 ,  C09D143/04 ,  C09D151/003 ,  C09J151/003

Abstract: An aqueous polymer dispersion, wherein the dispersion contains from 0.0001 to 1 mol of a hydrolyzable silicon group and from 0.0001 to 1 mol of a urea or thiourea group, based, in each case, on 100 g of the polymer present in the dispersion.