申请人:Bridgestone Corporation
公开号:EP2471873A1
公开(公告)日:2012-07-04
An energy ray-curable elastomer composition, which comprises an energy ray-curable compound (A) having a (meth)acryloyl group, a polythiol compound (B) having 2 to 6 mercapto groups per molecule, and a polyfunctional (meth)acrylate (C), characterized in that the ratio of the number of (meth)acryloyl functional groups in component (A) to the number of mercapto functional groups in component (B) is 100:0.1-100:5n (wherein n represents the number of mercapto groups per molecule of the polythiol compound), and component (C) is used at a ratio of 1-8 parts by mass per 100 parts by mass of component (A). Thus, an energy ray-curable elastomer composition, which can achieve both high breaking elongation and good processability and shows good compression set, can be provided.
一种能量射线固化弹性体组合物,它包括具有(甲基)丙烯酰基的能量射线固化化合物(A)、每分子具有 2 至 6 个巯基的聚硫醇化合物(B)和多官能团(甲基)丙烯酸酯(C),其特征在于组分(A)中(甲基)丙烯酰官能团的数目与组分(B)中巯基官能团的数目之比为 100:0。1-100:5n(其中 n 代表每分子聚硫醇化合物中巯基的数量),而组分(C)的使用比例为每 100 份组分(A)中含 1-8 个巯基。这样就可以提供一种能量射线固化弹性体组合物,这种组合物既能获得较高的断裂伸长率和良好的加工性能,又能显示出良好的压缩永久变形。