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Pressure-sensitive adhesive tape suitable for low noise / high unwind speed applications

机译:压敏胶带,适用于低噪音/高退​​绕速度应用

摘要

The present invention relates to a pressure-sensitive adhesive tape comprising a backing having a first major surface and a second major surface, a pressure-sensitive adhesive provided on said first major surface, and a release coating provided on said second major surface, said pressure-sensitive adhesive comprising one or more hot-melt coatable synthetic rubber polymers and said release coating comprising the reaction product of:(i) 5 - 30 wt. % of one or more polydialkylsiloxanes having (meth)acrylate, vinyl and/or ethenylene groups wherein the ratio of the average number of dialkylsiloxane units to the average number of the sum of (meth)acrylate, vinyl and ethenylene groups is between 10 and 17,(ii) 70 - 95wt. % of one or more polydialkylsiloxanes having (meth)acrylate, vinyl and/or ethenylene groups wherein the average number of dialkylsiloxane units to the average number of the sum of (meth)acrylate, vinyl and ethenylene groups is not more than 5 and/or one or more organic compounds free of silicone and comprising at least two reactive (meth)acrylate, vinyl and/or ethenylene groups,(iii) an effective amount of one or more photoinitiators, wherein the weight percentages given for components (i) and (ii), respectively, refer to the sum of the masses of components (i) and (ii) which add up to 100 wt. %, said pressure-sensitive adhesive tape exhibiting, when in the form of a roll, upon unwind at an unwind speed of 60 m/min or less a noise level of no greater than 75 dB(A).
机译:本发明涉及一种压敏胶带,其包括具有第一主表面和第二主表面的背衬,设置在所述第一主表面上的压敏粘合剂以及设置在所述第二主表面上的离型涂层,所述压力敏粘合剂,其包含一种或多种可热熔涂覆的合成橡胶聚合物,并且所述剥离涂层包含以下反应产物: (i)5-30 wt。具有(甲基)丙烯酸酯,乙烯基和/或亚乙烯基的一种或多种聚二烷基硅氧烷的百分比,其中二烷基硅氧烷单元的平均数与(甲基)丙烯酸酯,乙烯基和亚乙烯基的总和之比在10至17之间, (ii)70-95wt。具有(甲基)丙烯酸酯,乙烯基和/或亚乙烯基的一种或多种聚二烷基硅氧烷的百分比,其中二烷基硅氧烷单元的平均数相对于(甲基)丙烯酸酯,乙烯基和亚乙烯基的总数的平均值不大于5和/或一种或多种不含有机硅并包含至少两个反应性(甲基)丙烯酸酯,乙烯基和/或亚乙烯基的有机化合物, (iii)有效量的一种或多种光引发剂, <其中组分(i)和(ii)分别给出的重量百分数是指组分(i)和(ii)的质量之和,其总和为100重量%。 %,所述压敏胶带在呈卷形式时,以60m / min或更低的展开速度展开时的噪音水平不大于75dB(A)。

著录项

  • 公开/公告号EP1076081A1

    专利类型

  • 公开/公告日2001-02-14

    原文格式PDF

  • 申请/专利权人 3M INNOVATIVE PROPERTIES COMPANY;

    申请/专利号EP19990115882

  • 发明设计人 JUNG DIETER;LUCA MARIA;

    申请日1999-08-12

  • 分类号C09J7/02;C09D183/04;C09D183/06;C08F290/14;

  • 国家 EP

  • 入库时间 2022-08-22 01:16:07

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