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    Thermally crosslinked acrylate hotmelts with organic fillers
    1.
    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。

    Adhesive Strips for Assembly, Especially Formed With Three Layers and Based on Thermally Cross-Linked, Viscoelastic Acrylate Hot-Melt Adhesives
    6.
    发明申请
    Adhesive Strips for Assembly, Especially Formed With Three Layers and Based on Thermally Cross-Linked, Viscoelastic Acrylate Hot-Melt Adhesives 有权
    用于组装的粘合带，特别形成三层并基于热交联的粘弹性丙烯酸酯热熔胶

    公开(公告)号：US20080118751A1

    公开(公告)日：2008-05-22

    申请号：US11572959

    申请日：2005-09-09

    申请人： Stephan Zollner ,  Sven Hansen ,  Kay Brandes ,  Jorg Speer

    发明人： Stephan Zollner ,  Sven Hansen ,  Kay Brandes ,  Jorg Speer

    IPC分类号： B32B7/12 ,  B05D5/10 ,  H05H1/00

    CPC分类号： C09J7/385 ,  C08F220/06 ,  C08F220/18 ,  C08F220/26 ,  C08G18/0895 ,  C08G18/6254 ,  C08G18/792 ,  C08G2170/20 ,  C08K5/0025 ,  C08K5/29 ,  C08K5/3492 ,  C08L33/02 ,  C08L2666/04 ,  C08L2666/26 ,  C09J133/04 ,  C09J133/08 ,  C09J175/04 ,  C09J2205/102 ,  C09J2433/00 ,  Y10T428/1352 ,  Y10T428/1452 ,  Y10T428/265 ,  Y10T428/28 ,  Y10T428/2848 ,  Y10T428/31573 ,  Y10T428/31855 ,  Y10T428/31935

    摘要： The invention describes a double-sided pressure-sensitive adhesive tape of the kind which can be used in particular for achieving very durable bonds at high temperatures. These adhesive tapes, especially adhesive assembly tapes for the permanent fixing of articles to substrates, are preferably of multilayer construction. The inventive double-sided pressure-sensitive adhesive tapes are characterized in that the viscoelastic carrier layer is composed of a photoinitiator-free, thermally homogeneously crosslinked acrylate hotmelt. They are further characterized in that these homogeneously thermally crosslinked acrylate hotmelts have crosslinking sites by way of urethane units. This viscoelastic carrier layer is covered on both sides in each case by adhesive layers, preferably pressure-sensitive adhesive layers. These layers are connected by chemical reaction to the viscoelastic carrier layer. The operation for producing the adhesive tapes constitutes the corona pretreatment of the adhesive layers following their coating onto release material, the two-dimensional application and shaping of the acrylate hotmelt for thermal crosslinking, a thermal crosslinker having been added to the hotmelt prior to coating, the lamination of the layers together, and the afterreaction on the product in bale form, preferably without introduction of additional heat for crosslinking. This method ensures particularly effective anchoring even of different materials, which is particularly positive for the technical adhesive properties of the adhesive assembly tape.

    摘要翻译： 本发明描述了一种可以特别用于在高温下实现非常耐用的粘合剂的双面压敏粘合带。 这些粘合带，特别是用于将物品永久固定到基底的粘合剂组合带优选地是多层结构。 本发明的双面压敏粘合带的特征在于粘弹性载体层由不含光引发剂的热均匀交联的丙烯酸酯热熔胶组成。 它们的特征还在于这些均匀热交联的丙烯酸酯热熔体通过氨基甲酸酯单元具有交联位点。 这种粘弹性载体层在每种情况下都被粘合层覆盖，优选地是压敏粘合剂层。 这些层通过化学反应连接到粘弹性载体层。 粘合带的制造操作构成了在剥离材料上的粘合剂层的电晕预处理，用于热交联的丙烯酸酯热熔体的二维应用和成形，在涂布之前已经将热交联剂加入到热熔胶中， 层的层压在一起，并且以捆包形式对产品进行反应，优选不引入另外的交联热。 这种方法确保了即使对于不同的材料的特别有效的锚固，这对于粘合剂组装带的技术粘合性能是特别积极的。