An adhesive composition excellent in tackiness, adhesiveness, and creep resistance characteristic which comprises said block copolymer and a tackifier resin, a water-absorbing composition comprising said block copolymer and a highly water-absorbing resin, a thermoplastic resin composition comprising said block copolymer and a thermoplastic resin, and an electroconductive composition comprising said block copolymer and an electroconductive material, which consists of a terminal-modified block copolymer having the rest of the terminal-treating agent bonded to the polymer terminal which is obtained by treating the active terminal of a block copolymer comprising conjugated dienes and vinylaromatic hydrocarbon compounds which is obtained by using as the polymerization initiator at least one member selected from alkali metals or organoalkali metals and has a vinylaromatic hydrocarbon content of 5 to 95% by weight and a number average molecular weight of 5,000 to 1,000,000.
一种粘合剂组合物,具有优异的粘性、粘附性和抗蠕变性,由所述嵌段共聚物和增粘
树脂、由所述嵌段共聚物和高吸
水性
树脂组成的吸
水组合物、由所述嵌段共聚物和热塑性
树脂组成的热塑性
树脂组合物以及由所述嵌段共聚物和导电材料组成的导电组合物构成、其中包括一种末端改性嵌段共聚物,其末端处理剂的其余部分与
聚合物末端结合,该
聚合物末端是通过处理由共轭二
烯和
乙烯基芳烃化合物组成的嵌段共聚物的活性末端而获得的,该嵌段共聚物是通过使用至少一种选自碱
金属或有机碱
金属的成员作为聚合
引发剂而获得的,其
乙烯基芳烃含量为 5%至 95%(按重量计),平均分子量为 5,000 至 1,000,000 。