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    Aqueous n-butyl acrylate copolymer dispersions for use as laminating adhesives
    1.
    发明授权
    Aqueous n-butyl acrylate copolymer dispersions for use as laminating adhesives 失效
    丙烯酸正丁酯共聚物水分散体用作层压粘合剂

    公开(公告)号：US06727327B1

    公开(公告)日：2004-04-27

    申请号：US09926082

    申请日：2001-08-27

    申请人： Matthias Gerst ,  Alexander Centner ,  Karl-Heinz Schumacher

    发明人： Matthias Gerst ,  Alexander Centner ,  Karl-Heinz Schumacher

    IPC分类号： C08F238

    CPC分类号： C09J133/08 ,  C08F220/18

    摘要： The present invention provides aqueous polymer dispersions comprising at least one particulate polymer P having a glass transition temperature Tg of less than 0° C. which is composed of ethylenically unsaturated monomers M including: i. from 60 to 94.9% by weight, preferably from 75 to 89.5% by weight, of n-butyl acrylate as monomer M1, ii. from 5 to 39.9% by weight, preferably from 10 to 24.5% by weight, of at least one monomer M2 selected from esters of methacrylic acid with C1 to C4 alkanols, tert-butyl acrylate, and vinylaromatic monomers, and iii. from 0.1 to 5% by weight, preferably from 0.5 to 2% by weight, of at least one monomer M3 selected from ethylenically unsaturated compounds having at least one acid group; the proportions of said monomers M1 to M3 being based on 100% by weight of monomers M, obtainable by free-radical aqueous emulsion polymerization of monomers M in the presence of at least 0.01% by weight, based on the weight of the monomers M, of at least one molecular weight regulator. The present invention also provides for the use of such polymer dispersions in adhesive formulations for producing laminates, a process for producing laminates, and the laminates obtainable by this process.

    摘要翻译： 本发明提供包含至少一种玻璃化转变温度Tg低于0℃的颗粒聚合物P的含水聚合物分散体，其由烯属不饱和单体M组成，包括： ii。从60至94.9重量％，优选75至89.5重量％的丙烯酸正丁酯作为单体M1。 至少一种选自甲基丙烯酸与C1至C4链烷醇的酯，丙烯酸叔丁酯和乙烯基芳族单体的单体M2的重量百分数为5至39.9％，优选为10至24.5％。 0.1至5重量％，优选0.5至2重量％的至少一种选自具有至少一个酸基的烯属不饱和化合物的单体M3;所述单体M1至M3的比例基于100重量％ 的单体M，其通过基于单体M的至少一种分子量调节剂的至少0.01重量％存在的单体M的自由基水性乳液聚合而获得。 本发明还提供了这种聚合物分散体在用于生产层压材料的粘合剂制剂中的用途，生产层压材料的方法以及可通过该方法获得的层压材料。

    Acid functional two-stage polymer dispersion with neutralization between polymerization stages
    2.
    发明授权
    Acid functional two-stage polymer dispersion with neutralization between polymerization stages 失效
    酸性功能性两级聚合物分散体，在聚合阶段之间进行中和

    公开(公告)号：US06423769B1

    公开(公告)日：2002-07-23

    申请号：US09460438

    申请日：1999-12-14

    申请人： Matthias Gerst ,  Alexander Centner

    发明人： Matthias Gerst ,  Alexander Centner

    IPC分类号： C08F26502

    CPC分类号： C09J151/003 ,  C08F265/06 ,  C09D5/34 ,  C08F2/22

    摘要： An aqueous polymer dispersion wherein the polymer particles include at least two different water-insoluble polymers P and P′, obtained by free-radical polymerization of ethylenically unsaturated monomers, which includes the following measures: (1) polymerizing a first monomer mixture M by the method of free-radical aqueous emulsion polymerization to give a polymer P, wherein the polymerization is carried out in an aqueous reaction medium having a pH of less than 5, (2) adding a base to the dispersion of the polymer P to raise the pH of the dispersion by at least 2 pH units, and (3) polymerizing a further monomer mixture M′, which is different from the monomer mixture M, in the dispersion of the polymer P, to give a polymer P′, the monomer mixtures M and M′ independently of one another including from 0.1 to 5% by weight, based on the total amount of the monomers M and M′, respectively, of at least one monomer M1 which has at least one acid group and from 95 to 99.9 by weight of one or more monoethylenically unsaturated, essentially hydrophobic monomers M2, and wherein the polymerization of the first monomer in (1) is carried out to a conversion of at least 70% before the base is added in (2).

    摘要翻译： 一种聚合物水分散体，其中聚合物颗粒包括通过烯属不饱和单体的自由基聚合获得的至少两种不同的不溶于水的不溶性聚合物P和P'，其包括以下措施：（1）将第一单体混合物M聚合 自由基水乳液聚合的方法得到聚合物P，其中聚合在pH小于5的水性反应介质中进行，（2）向聚合物P的分散体中加入碱以提高pH 的分散体至少2个pH单位，和（3）在聚合物P的分散体中聚合另外的单体混合物M'，其与单体混合物M不同，得到聚合物P'，单体混合物M 和M'相互独立地包括0.1至5重量％，分别为至少一种具有至少一个酸基的单体M1和95至99.9的单体M和M'的单体M和M' 一个或多个的重量 单烯键式不饱和基本疏水性单体M2，并且其中（1）中第一单体的聚合在（2）中加入碱之前进行至少70％的转化。

    AQUEOUS POLYMER DISPERSIONS FOR ADHESIVES
    4.
    发明申请
    AQUEOUS POLYMER DISPERSIONS FOR ADHESIVES 有权
    胶粘剂的水性聚合物分散体（AQUEOUS POLYMER DISPERSION）for ADHESIVES

    公开(公告)号：US20110033701A1

    公开(公告)日：2011-02-10

    申请号：US12937668

    申请日：2009-04-14

    申请人： Matthias Gerst ,  Gerhard Auchter ,  Gledison Fonseca ,  Cornelis Petrus Beyers

    发明人： Matthias Gerst ,  Gerhard Auchter ,  Gledison Fonseca ,  Cornelis Petrus Beyers

    IPC分类号： B32B7/12 ,  C08L33/08 ,  C09J133/10

    CPC分类号： C08L33/12 ,  C08F220/12 ,  C08L25/04 ,  C09J133/066 ,  Y10T428/2852

    摘要： The present invention relates to aqueous polymer dispersions having a polymer content of at least 55% by weight that are suitable for pressure sensitive adhesives. The invention also relates to a process for preparing these aqueous polymer dispersions and also to the use of the aqueous polymer dispersions in pressure sensitive adhesives and, respectively, pressure sensitive adhesive compositions, especially in pressure sensitive adhesives for transparent substrates, e.g., plastics labels.The aqueous polymer dispersions have a polymer content of at least 55% by weight, based on the total weight of the dispersion, the polymer being composed of ethylenically unsaturated monomers M and having a glass transition temperature below −10° C., in which the dispersed polymer particles have a polymodal particle size distribution, in which at least 70% by weight, preferably at least 75% by weight, more particularly at least 80%, more preferably at least 85% or at least 90% by weight of the polymer particles have a particle diameter of below 350 nm, more particularly below 340 nm, especially below 330 nm.

    摘要翻译： 本发明涉及聚合物含量为至少55重量％的聚合物分散体，其适用于压敏粘合剂。 本发明还涉及一种制备这些聚合物水分散体的方法，还涉及在压敏粘合剂中以及分别使用压敏粘合剂组合物，特别是用于透明基材例如塑料标签的压敏粘合剂中使用聚合物水分散体。 聚合物水分散体的聚合物含量至少为55重量％，基于分散体的总重量，聚合物由烯键式不饱和单体M组成并具有低于-10℃的玻璃化转变温度，其中 分散的聚合物颗粒具有多晶型粒度分布，其中聚合物的至少70重量％，优选至少75重量％，更特别是至少80重量％，更优选至少85重量％或至少90重量％ 颗粒的粒径低于350nm，更特别地低于340nm，特别是低于330nm。

    Using aqueous binders in producing abrasive materials
    6.
    发明授权
    Using aqueous binders in producing abrasive materials 失效
    使用含水粘合剂生产磨料

    公开(公告)号：US07008312B2

    公开(公告)日：2006-03-07

    申请号：US10759240

    申请日：2004-01-20

    申请人： Matthias Laubender ,  Matthias Gerst ,  Bernd Reck ,  Manfred Weber

    发明人： Matthias Laubender ,  Matthias Gerst ,  Bernd Reck ,  Manfred Weber

    IPC分类号： C08L33/03 ,  C09D133/02 ,  A47L13/16 ,  B24D3/28

    CPC分类号： C08F267/04 ,  C08F265/02 ,  C08L25/14 ,  C08L2666/04 ,  C09J133/02

    摘要： The present invention relates to the use of an aqueous polymer dispersion comprising dispersed particles of at least one polymer A1 having a glass transition temperature, Tg, of from −20° C. to +35° C. and obtainable through free-radical emulsion polymerization in the presence of a polymer A2 synthesized from from 50 to 99.5% by weight of at least one ethylenically unsaturated monocarboxylic and/or dicarboxylic acid whose carboxylic groups can form an anhydride group, or mixtures thereof, from 0.5 to 50% by weight of at least one ethylenically unsaturated compound selected from the esters of ethylenically unsaturated monocarboxylic acids and the monoesters and diesters of ethylenically unsaturated dicarboxylic acids with an amine containing at least one hydroxyl group, and up to 20% by weight of at least one further monomer as binder for producing abrasive material.

    摘要翻译： 本发明涉及包含至少一种玻璃化转变温度Tg为-20℃至+ 35℃的聚合物A1的分散颗粒的聚合物水分散体的使用，可通过自由基乳液聚合获得 在由50至99.5重量％的至少一种其羧基可以形成酸酐基团的烯属不饱和单羧酸和/或二羧酸或其混合物合成的聚合物A2存在下，其浓度为0.5至50重量％ 至少一种烯键式不饱和化合物，其选自烯属不饱和单羧酸的酯和烯键式不饱和二羧酸的单酯和二酯与含有至少一个羟基的胺，以及至多20重量％的另外的单体作为粘合剂 生产研磨材料。

    Contact bonding adhesives
    7.
    发明授权
    Contact bonding adhesives 有权
    接触粘合剂

    公开(公告)号：US06620870B1

    公开(公告)日：2003-09-16

    申请号：US09926449

    申请日：2001-11-06

    申请人： Matthias Gerst ,  Gerhard Auchter ,  Bernhard Schuler

    发明人： Matthias Gerst ,  Gerhard Auchter ,  Bernhard Schuler

    IPC分类号： C09J13308

    CPC分类号： C09J133/066 ,  C09J7/385 ,  Y10S526/911 ,  Y10S526/932

    摘要： Pressure-sensitive adhesives comprising an aqueous polymer dispersions wherein the polymer is composed of from 50 to 99.9% by weight of at least one C1-C12 alkyl (meth)acrylate (monomers a) from 0.05 to 20% by weight of at least one vinylaromatic compound (monomers b) from 0.05 to 10% by weight of at least one ethylenically unsaturated hydroxy compound (monomers c) from 0 to 10% by weight of an ethylenically unsaturated acid or an acid anhydride (monomers d) and from 0 to 30% by weight of other ethylenically unsaturated compounds (monomers e) the weight percentages being based on the polymer, and the polymer dispersion comprising an emulsifier consisting to the extent of at least 5% by weight of aromatic carbon atoms (and called aromatic emulsifier for short) or an emulsifier mixture consisting to the extent of at least 10% by weight of an aromatic emulsifier.

    摘要翻译： 包含聚合物水分散体的压敏粘合剂，其中所述聚合物由50至99.9重量％的至少一种（甲基）丙烯酸C 1 -C 12烷基酯（单体a）组成，0.05至20重量％的至少一种乙烯基芳族化合物 （单体b）0.05至10重量％的至少一种烯属不饱和羟基化合物（单体c），0至10重量％的烯属不饱和酸或酸酐（单体d）和0至30重量％ 的其它烯键式不饱和化合物（单体e），其重量百分比基于聚合物，并且包含乳化剂的聚合物分散体包含至少5重量％的芳族碳原子的程度（简称为芳族乳化剂）或 乳化剂混合物的含量至少为10重量％的芳族乳化剂。