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Effect of Conversion on Properties of High-trans-1,4-Butadiene-co-Isoprene Rubber
Author(s): 
Pages: 269-274
Year: Issue:  3
Journal: Petrochemical Technology

Keyword:  负载四氯化钛催化剂丁二烯异戊二烯橡胶;
Abstract: 研究了转化率不同时H2调节下TiCl4/MgCl2负载型催化剂催化合成高反式-1,4-丁二烯-异戊二烯橡胶(TBIR)的结构与性能.实验结果表明,聚合初期生成的TBIR中存在较长序列1,4-丁二烯(Bd)单元结构,TBIR中异戊二烯(Ip)链段长度随转化率的增加而增长.门尼黏度相近时,TBIR的生胶强度、断裂伸长率和拉伸永久形变均随转化率的增加而增加,TBIR硫化胶Akron磨耗和回弹性随转化率的...
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