申请人:TOAGOSEI CO., LTD.
公开号:US10982115B2
公开(公告)日:2021-04-20
An adhesive composition according to the present invention contains a polymerizable monomer (A) and a block copolymer (B) including a polymer block (a) which includes structural units derived from a styrene compound and from a maleimide compound, and an acrylic polymer block (b), in which the polymer block (a) and the acrylic polymer block (b) have a solubility parameter of 10.0 or more and 9.0 or more, respectively; the polymer block (a) contains the structural unit derived from a maleimide compound at a concentration from 30% by mass to 99% by mass with respect to the total mass of the polymer block (a); the polymer block (a) has a glass transition temperature of 150° C. or higher; and the polymer block (b) has a glass transition temperature of 20° C. or lower.
根据本发明的一种粘合剂组合物含有可聚合单体(A)和嵌段共聚物(B),嵌段共聚物(B)包括聚合物嵌段(a),聚合物嵌段(a)包括衍生自苯乙烯化合物和衍生自马来酰亚胺化合物的结构单元,以及丙烯酸聚合物嵌段(b),其中聚合物嵌段(a)和丙烯酸聚合物嵌段(b)的溶解度参数分别为 10.聚合物嵌段(a)含有马来酰亚胺化合物衍生的结构单元,其浓度为聚合物嵌段(a)总质量的 30% 至 99%;聚合物嵌段(a)的玻璃化转变温度为 150 摄氏度或更高;聚合物嵌段(b)的玻璃化转变温度为 20 摄氏度或更低。