SEBS加氢度的影响因素研究  

Influencing Factors of Hydrogenation Degree of SEBS

作　　者：张书会 邢立江 邢喜超 ZHANG Shuhui;XING Lijiang;XING Xichao(Material Purchasing Center,Baling Petrochemical Branch of SINOPEC,Yueyang 414014,China;Rubber Department,Baling Petrochemical Branch of SINOPEC,Yueyang 414014,China;School of Mechanical Engineering,Dalian Jiaotong University,Dalian 116028,China)

机构地区：[1]中国石化巴陵石化公司物资采购中心,湖南岳阳414014 [2]中国石化巴陵石化公司橡胶部,湖南岳阳414014 [3]大连交通大学机械工程学院,辽宁大连116028

出　　处：《化学与生物工程》2022年第5期57-60,共4页Chemistry & Bioengineering

摘　　要：研究了苯乙烯-丁二烯-苯乙烯嵌段共聚物(SBS)氢化反应中催化剂用量、初始温度、压力、反应时间、搅拌转速、胶液浓度等因素对氢化苯乙烯-丁二烯-苯乙烯嵌段共聚物(SEBS)加氢度的影响。结果表明:SBS氢化反应中催化剂用量应控制在0.12~0.16 mmol·(100 g SBS)^(-1),初始温度应控制在70~75℃,压力应控制在1.0~1.5 MPa,反应时间应控制在1.5~2.0 h;反应釜搅拌转速对SEBS加氢度的影响较大;不同相对分子质量的胶液氢化时应采用不同的胶液浓度。We studied the effects of catalyst dosage,initial temperature,pressure,reaction time,stirring speed,and gel concentration in hydrogenation reaction of styrene-butadiene-styrene block copolymer(SBS)on the hydrogenation degree of hydrogenated styrene-butadiene-styrene copolymer(SEBS).The results show that the catalyst dosage should be controlled at 0.12-0.16 mmol·(100 g SBS)^(-1),the initial temperature should be controlled at 70-75℃,the pressure should be controlled at 1.0-1.5 MPa,and the reaction time should be controlled at 1.5-2.0 h.The stirring speed of the reactor has a significant influence on the hydrogenation degree of SEBS.Different gel concentrations should be adopted in the hydrogenation of gel with different molecular weights.

关 键 词：氢化苯乙烯-丁二烯-苯乙烯嵌段共聚物(SEBS) 加氢度 影响因素 

分 类 号：TQ325.2[化学工程—合成树脂塑料工业] Q632.13[生物学—生物物理学]