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    Acrylate-based hot-melt pressure-sensitive adhesives
    2.
    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。

    Process for producing a rubber-based double-sided pressure-sensitive adhesive tape
    5.
    发明授权
    Process for producing a rubber-based double-sided pressure-sensitive adhesive tape 失效
    橡胶系双面粘合带的制造方法

    公开(公告)号：US06527899B1

    公开(公告)日：2003-03-04

    申请号：US09063745

    申请日：1998-04-21

    申请人： Bernd Dietz ,  Werner Kluge-Paletta ,  Werner Karmann ,  Bodo Szonn ,  Frank Henke

    发明人： Bernd Dietz ,  Werner Kluge-Paletta ,  Werner Karmann ,  Bodo Szonn ,  Frank Henke

    IPC分类号： B29C4706

    CPC分类号： B32B25/08 ,  B29C47/0021 ,  B29C47/065 ,  B29C47/145 ,  B32B37/153 ,  B32B2038/0076 ,  B32B2310/0887 ,  B32B2405/00

    摘要： Process for producing a pressure-sensitive double-sided adhesive tape, in which a) a ready-made rubber-based backing material is introduced into a screw extruder, where 1. the backing material is heated by means of heating elements present on the screw extruder, 2. in a degassing zone, the backing material is freed from volatile constituents by means of the application of reduced pressure, 3. the backing material is homogenized and brought to the intended temperature, b) in a co-extrusion adapter, a barrier layer conveyed by means of a further appropriate melting and conveying unit is placed onto the backing material on both sides, c) the resulting intermediate laminate is supplied to a three-channel slot die and is uniformly extruded in web form, d) in the said three-channel slot die a pressure-sensitive hotmelt adhesive, supplied in each case with the aid of an appropriate melting and conveying unit, is applied, top and bottom, over the whole area of the intermediate laminate, e) the adhesive tape thus produced is placed onto an antiadhesive substrate, preferably siliconized paper, f) if desired, the adhesive tape is cooled and crosslinked.

    摘要翻译： 制造压敏双面胶带的方法，其中a）将现成的橡胶基背衬材料引入螺杆挤出机中，其中1。 背衬材料通过存在于螺杆挤出机上的加热元件2来加热。 在脱气区，通过减压的应用，背衬材料可以免去挥发性成分3。 将背衬材料均质化并达到预期温度，b）在共挤出接头中，通过另一适当的熔化和输送单元输送的阻隔层被放置在两侧的背衬材料上，c）所得到的中间体 层压板被供应到三通道槽模，并且均匀地以网状形式挤出，d）在所述三通道槽模中，借助于适当的熔化和输送单元在每种情况下供应的压敏热熔粘合剂， 在中间层压体的整个区域上施加顶部和底部，e）将如此生产的粘合带放置在防粘衬底上，优选硅化纸上，f）如果需要，粘合带被冷却和交联。

    Dressing material based on a hydrogel, and a process for its production
    10.
    发明授权
    Dressing material based on a hydrogel, and a process for its production 失效
    基于水凝胶的敷料，以及其生产工艺

    公开(公告)号：US4552138A

    公开(公告)日：1985-11-12

    申请号：US502362

    申请日：1983-06-08

    申请人： Wolfgang Hofeditz ,  Joachim Hornig ,  Werner Karmann

    发明人： Wolfgang Hofeditz ,  Joachim Hornig ,  Werner Karmann

    IPC分类号： A61L15/16 ,  A61L26/00 ,  A61L15/01

    CPC分类号： A61L26/0014

    摘要： Dressing material of at least one layer of a polymeric, hydrophilic gel and, where relevant, one or more layers of a carrier material as an intermediate and/or covering layer, wherein the gel consists of 40-50% by weight of a polyvinyl alcohol which is crosslinked and acetalized with formaldehyde and is water-insoluble to the extent of at least 90%, 15-30% by weight of water, 15-45% by weight of one or more polyhydric alcohols with 2-6 C atoms and, where relevant, small amounts of additives and/or auxiliaries.

    摘要翻译： 至少一层聚合物，亲水性凝胶的涂层材料，以及相关的作为中间体和/或覆盖层的载体材料的一层或多层，其中所述凝胶由40-50重量％的聚乙烯醇 其与甲醛交联和缩醛化，并且水不溶于至少90％，15-30重量％水，15-45重量％的一种或多种具有2-6个C原子的多元醇的程度， 在相关的情况下，少量的添加剂和/或助剂。