Provided is an adhesive composition which is flexible, and exhibits excellent adhesion durability. The adhesive composition comprises (a) a 2-cyanoacrylic acid ester, (b) a polymer having a hydrolyzable silyl group, (c) an elastomer, and (d) an acid catalyst, in which the contents of the components (b), (c), and (d) are from 5 to 200 parts by mass, from 5 to 50 parts by mass, and from 0.0005 to 0.5 parts by mass, respectively, relative to 100 parts by mass of the component (a). Further preferably, the composition contains 0.001 to 5 parts by mass of (e) an onium salt relative to 100 parts by mass of the component (a).
本发明提供了一种柔性粘合剂组合物,具有优异的粘合耐久性。该粘合剂组合物包括:(a)
2-氰基丙烯酸酯;(b) 具有可
水解
硅基的聚合物;(c) 弹性体;(d) 酸催化剂,其中相对于 100 份(质量)的(a)组分,(b)、(c)和(d)组分的含量分别为 5 至 200 份(质量)、5 至 50 份(质量)和 0.0005 至 0.5 份(质量)。更优选的是,相对于 100 重量份的组分(a),组合物含有 0.001 至 5 重量份的(e)鎓盐。