申请人:Toagosei Co., Ltd
公开号:EP2371914A1
公开(公告)日:2011-10-05
An adhesive composition is provided particularly excellent in thermal shock resistance for adhesive strength as well as high shear adhesive strength, peel adhesive strength and impact adhesive strength. The adhesive composition of the present invention contains (a) a 2-cyanoacrylate such as 2-ethoxyethyl 2-cyanoacrylate and (b) a polyfunctional cyanoacrylate having two or more 2-cyanoacryloyl groups, the number average molecular weight of the polyfunctional cyanoacrylate (b) is in the range from 1,000 to 50,000, and preferably from 2,000 to 30,000, and the content of the polyfunctional cyanoacrylate (b) is in the range from 1 to 400 parts by weight, and preferably from 1 to 200 parts by weight based on 100 parts by weight of the 2-cyanoacrylate (a).
本发明提供了一种粘合剂组合物,该组合物在耐热冲击粘合强度、高剪切粘合强度、剥离粘合强度和冲击粘合强度方面尤为出色。本发明的粘合剂组合物含有 (a) 2-氰基丙烯酸酯,如 2-氰基丙烯酸乙酯和 (b) 具有两个或两个以上 2-氰基丙烯酰基的多官能团氰基丙烯酸酯,多官能团氰基丙烯酸酯 (b) 的平均分子量在 1、以 100 份 2-氰基丙烯酸酯 (a) 的重量为基准,多官能团氰基丙烯酸酯 (b) 的含量在 1 至 400 份的重量范围内,最好在 1 至 200 份的重量范围内。