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    • 11. 发明申请
    • PRESSURE-SENSITIVE ADHESIVE TAPE SUITABLE FOR LOW NOISE/HIGH UNWIND SPEED APPLICATIONS
    • 压敏粘合胶带适用于低噪声/高非转速应用
    • WO01014486A1
    • 2001-03-01
    • PCT/EP2000/007813
    • 2000-08-11
    • C08F283/12C08F290/14C09D183/04C09D183/06C09J7/02C09J151/08C09J153/02
    • C09J151/085C08F283/12C08F290/14C08L2666/02C08L2666/24C09D183/04C09D183/06C09J7/201C09J7/22C09J7/38C09J153/02C09J2421/00C09J2423/006C09J2467/006C09J2483/005C08L83/00
    • 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 - 95 wt. % 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).
    • 本发明涉及一种压敏粘合带,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和设置在所述第二主表面上的剥离涂层,所述压力 敏感粘合剂包含一种或多种热熔性可涂覆合成橡胶聚合物,所述剥离涂层包含以下反应产物:(i)5-30wt。 具有(甲基)丙烯酸酯,乙烯基和/或亚乙基的一种或多种聚二烷基硅氧烷的%,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和的平均数的比率为10至17 ; (ii)70-95wt。 具有(甲基)丙烯酸酯,乙烯基和/或亚乙基的一种或多种聚二烷基硅氧烷的数量,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和的平均数目不大于5和/或 一种或多种不含硅酮的有机化合物,并且包含至少两种反应性(甲基)丙烯酸酯,乙烯基和/或亚乙基; (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)的质量总和,其加起来为100 重量。 %,所述压敏粘合带当以卷形式呈现时,以60m / min或更小的退绕速度退绕不大于75dB(A)的噪声水平。