阅读说明：本技术 氢化苯乙烯/共轭二烯烃共聚物及其发泡材料和应用 (Hydrogenated styrene/conjugated diene copolymer, and foaming material and application thereof ) 是由 梁红文 莫笑君 李望明 刘朝周 杨帆 康铮 王旭 佘振银 于 2019-10-29 设计创作，主要内容包括：公开了一种氢化苯乙烯/共轭二烯烃共聚物及其发泡材料和应用,该共聚物含有苯乙烯类结构单元、氢化共轭二烯烃类结构单元；以共聚物的总量为基准,苯乙烯类结构单元的含量为15-50wt％优选18-45重量％,氢化共轭二烯烃类结构单元中1,2-聚合结构单元的含量为8-32％优选10-30％更优选12-25％,苯乙烯类结构单元在所述氢化共轭二烯烃类结构单元中的无规度为30-80％优选为35-75％,所述共聚物中共轭二烯烃的氢化度为85-100％优选95-100％。该氢化苯乙烯/共轭二烯烃共聚物的扯断拉伸强度为30-60MPa、扯断伸长率300-600％、硬度(邵氏A)为70-98,并且可以采用超临界二氧化碳发泡工艺制作反弹大于60％,压缩变形小于30％的性能优异的发泡体。(Disclosed is a hydrogenated styrene/conjugated diene copolymer, its foaming material and application, wherein the copolymer contains styrene structural unit, hydrogenated conjugated diene structural unit; the content of the styrenic structural unit is 15 to 50% by weight, preferably 18 to 45% by weight, the content of the 1, 2-polymerized structural unit in the hydrogenated conjugated diene structural unit is 8 to 32% by weight, preferably 10 to 30% by weight, more preferably 12 to 25% by weight, the randomness of the styrenic structural unit in the hydrogenated conjugated diene structural unit is 30 to 80% by weight, preferably 35 to 75% by weight, and the degree of hydrogenation of the conjugated diene in the copolymer is 85 to 100% by weight, preferably 95 to 100% by weight, based on the total amount of the copolymer. The hydrogenated styrene/conjugated diene copolymer has tensile strength at break of 30-60MPa, elongation at break of 300-600% and hardness (Shore A) of 70-98, and can be prepared into foam with excellent performance, wherein the rebound is more than 60% and the compression deformation is less than 30% by adopting a supercritical carbon dioxide foaming process.)