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    Thermally crosslinked acrylate hotmelts with organic fillers
    7.
    发明申请
    Thermally crosslinked acrylate hotmelts with organic fillers 审中-公开
    热交联的丙烯酸酯热熔合有机填料

    公开(公告)号：US20070213464A1

    公开(公告)日：2007-09-13

    申请号：US11433255

    申请日：2006-05-12

    申请人： Stephan Zollner ,  Sven Hansen ,  Kay Brandes ,  Klaus Massow

    发明人： Stephan Zollner ,  Sven Hansen ,  Kay Brandes ,  Klaus Massow

    IPC分类号： C08L33/04 ,  C09J133/06 ,  B32B27/30

    CPC分类号： C09J11/08 ,  C08K3/013 ,  C08K5/0025 ,  C08K7/00 ,  C08K11/005 ,  C09J7/35 ,  C09J133/08 ,  C09J2201/122 ,  C09J2201/128 ,  C09J2201/606 ,  C09J2205/102 ,  C09J2433/00

    摘要： A pressure-sensitive adhesive comprising organic fillers, obtainable by a process in which a thermal crosslinker is added in the melt to a polyacrylate copolymer (“polyacrylate”) based on acrylic esters and/or methacrylic esters, at least a fraction of which contains primary hydroxyl groups, at least one organic filler has been or is added to the polyacrylate, the polyacrylate provided with the crosslinker and the filler is conveyed to a coating unit, where it is applied to a web-form coat of a further material and, following application, is homogeneously crosslinked, a process as outlined above, and adhesive tapes furnished with the pressure-sensitive adhesive.

    摘要翻译： 一种包含有机填料的压敏粘合剂，其可通过以下方法获得：其中将热交联剂在熔体中加入基于丙烯酸酯和/或甲基丙烯酸酯的聚丙烯酸酯共聚物（“聚丙烯酸酯”），其至少一部分含有伯 羟基，至少一种有机填料已经或被添加到聚丙烯酸酯中，提供有交联剂和填料的聚丙烯酸酯被输送到涂覆单元，其中将其施加到另外材料的网状涂层上， 应用，均匀交联，如上所述的方法和配备有压敏粘合剂的粘合带。

    Acrylate-based hot-melt pressure-sensitive adhesives
    8.
    发明授权
    Acrylate-based hot-melt pressure-sensitive adhesives 失效
    基于丙烯酸的热熔敏感粘合剂

    公开(公告)号：US5194455A

    公开(公告)日：1993-03-16

    申请号：US628239

    申请日：1990-12-14

    申请人： Klaus Massow ,  Werner Karmann ,  Gunther Kiessling

    发明人： Klaus Massow ,  Werner Karmann ,  Gunther Kiessling

    IPC分类号： A61F13/02 ,  A61L15/16 ,  A61L15/58 ,  A61L24/00 ,  C08F2/48 ,  C09J4/02 ,  C09J7/02 ,  C09J133/04 ,  C09J133/06 ,  C09J133/24

    CPC分类号： C09J133/062 ,  A61L15/58 ,  C09J7/0217 ,  C09J2201/61 ,  Y10T428/2809 ,  Y10T428/2887 ,  Y10T428/2891

    摘要： The invention relates to a process for the preparation of acrylate-based pressure-sensitive hot-melt adhesives by irradiation on a substrate, characterized in thata) at least one acrylic monomer is copolymerized with N-tert.-butylacrylamide (TBA), whereinb) the reaction mixture (of a) to be polymerized can additionally contain one or more ethylenically unsaturated compounds which do not belong to the group of acrylic monomers of a),c) the resulting solid polymer is heated and is applied in a form which is capable of flowing or a liquid form to a substrate, it being possible for the compositions of steps a) to c) to contain additives and auxiliaries if appropriate, andd) the coated substrate is irradiated with high-energy radiation.

    摘要翻译： 本发明涉及一种通过在基材上照射制备基于丙烯酸酯的压敏热熔粘合剂的方法，其特征在于：a）至少一种丙烯酸类单体与N-叔丁基丙烯酰胺（TBA）共聚，其中 b）待聚合的反应混合物（a）可另外含有一种或多种不属于a）的丙烯酸类单体的烯属不饱和化合物，c）将所得固体聚合物加热并以 能够流动或液体形式到基底，如果合适，步骤a）至c）的组合物可能含有添加剂和助剂，以及d）用高能量辐射照射涂覆的基底。

    Continuous two-stage preparation of solvent-free polyacrylate hotmelt PSAs
    10.
    发明授权
    Continuous two-stage preparation of solvent-free polyacrylate hotmelt PSAs 有权
    无溶剂聚丙烯酸酯热熔体PSA的连续两阶段制备

    公开(公告)号：US06881442B2

    公开(公告)日：2005-04-19

    申请号：US10436864

    申请日：2003-05-13

    申请人： Marc Husemann ,  Stephan Zöllner ,  Klaus Massow ,  Frank Henke

    发明人： Marc Husemann ,  Stephan Zöllner ,  Klaus Massow ,  Frank Henke

    IPC分类号： C08F6/10 ,  C09J7/02 ,  C09J133/08 ,  C09J133/06

    CPC分类号： C09J133/08 ,  C08F6/10 ,  C09J7/385 ,  C09J2201/122 ,  C09J2201/134 ,  Y10S526/931 ,  Y10S526/935 ,  C08L33/08

    摘要： In a continuous two-stage process for preparing solvent-free polyacrylate hotmelt pressure sensitive adhesives which is gentle on the polymer and redeploys the solvent used in the process the following steps are carried out: polymerizing a self-adhesive pressure sensitive adhesive in solution, the solvent having a low vapor pressure; continuously mixing the polymer solution with antioxidants and preheating the mixture under superatmospheric pressure without boiling it; concentrating the polymer solution to a residual solvent content of less than 0.1% by weight in a concentrating extruder under the effect of reduced pressure and elevated temperatures; condensing, collecting, and re-using the solvent stripped off in the extruder; compounding the abovementioned solvent-freed hotmelt pressure sensitive adhesive with tackifying resins, fillers, stabilizers, crosslinkers or other additives in a second extruder at a moderate melt temperature; transferring the blended solvent-free self-adhesive pressure sensitive adhesive to a downstream coating unit.

    摘要翻译： 在制备无溶剂的聚丙烯酸酯热熔压敏粘合剂的连续两阶段方法中，该粘合剂在聚合物上温和并重新部署该方法中使用的溶剂，进行以下步骤：在溶液中聚合自粘压敏粘合剂， 溶剂蒸气压低; 将聚合物溶液与抗氧化剂连续混合，并在超大气压下预热混合物而不煮沸; 在浓缩挤出机中在减压和升高的温度下将聚合物溶液浓缩至小于0.1重量％的残留溶剂含量; 冷凝，收集和重新使用在挤出机中剥离的溶剂; 在第二挤出机中以适度的熔融温度将上述溶剂自由热熔压敏粘合剂与增粘树脂，填料，稳定剂，交联剂或其它添加剂混合; 将混合无溶剂的自粘合压敏粘合剂转移到下游涂布单元。