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    • 6. 发明专利
    • Water-dispersed self-adhesive composition, self-adhesive sheet, and self-adhesive foamed rubber sheet using the same
    • 水分散式自粘合组合物,自粘胶片和使用其的自粘橡胶橡胶薄片
    • JP2008133482A
    • 2008-06-12
    • JP2008015696
    • 2008-01-26
    • Nitto Denko Corp日東電工株式会社
    • OKADA KENICHINAITO TOMOYAUMEDA MICHIO
    • C09J133/06B32B5/18B32B25/08B32B27/00C08F220/10C09J7/02C09J11/06C09J143/00C09J191/00C09J193/04
    • PROBLEM TO BE SOLVED: To provide a water-dispersed self-adhesive composition which is excellent in adhesion to a foamed material and releasability in a terminal area and shows a stable adhesion force over time, and to provide a self-adhesive sheet obtained by forming a self-adhesive layer comprising the composition on a base material and a self-adhesive foamed rubber sheet obtained by forming the layer on one or both sides of a foamed rubber. SOLUTION: The water-dispersed self-adhesive composition is obtained by adding a tackifier to a polymer, wherein the polymer is obtained by copolymerizing a monomer mixture containing an alkyl (meth)acrylate as an essential component and further containing a silane monomer, and the tackifier contains a phenol skeleton. The self-adhesive sheet and the self-adhesive foamed rubber sheet are each obtained by using the composition. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种水分散性自粘合剂组合物,其在发泡材料的粘附性和端部区域的剥离性优异,并且随时间呈现出稳定的粘合力,并且提供自粘合片材 通过在基材上形成包含该组合物的自粘层和通过在发泡橡胶的一面或两面上形成该层而获得的自粘发泡橡胶片来获得。 解决方案:通过在聚合物中加入增粘剂而获得水分散的自粘组合物,其中聚合物通过使含有(甲基)丙烯酸烷基酯作为主要成分并进一步含有硅烷单体的单体混合物 ,增粘剂含有苯酚骨架。 通过使用该组合物,可以得到自粘合片和自粘发泡橡胶片。 版权所有(C)2008,JPO&INPIT