高等规聚丁烯-1室温结晶过程的研究  

Study on Crystallization Process of High Isotactic Polybutene-1 at Room Temperature

作　　者：江云涛[1] 王军[1] 赵永仙[1] 姚薇[1] 黄宝琛[1] 

机构地区：[1]青岛科技大学橡塑材料与工程教育部重点实验室,山东青岛266042

出　　处：《现代塑料加工应用》2008年第4期12-15,共4页Modern Plastics Processing and Applications

基　　金：国家"863"计划新材料项目(2006AA03Z546)资助。

摘　　要：采用负载钛催化体系合成了高等规聚丁烯-1(i-PB)。通过差示扫描量热仪、偏光显微镜、红外光谱仪和X-射线衍射仪研究了室温时随着时间的推移i-PB结晶过程和晶型转变。结果表明:随着结晶时间的延长,i-PB由Ⅱ晶型向Ⅰ晶型的转化率增高;i-PB室温结晶需要很长的时间,使晶型转变时间也变长.因此在一定时间内i-PB的聚集态结构是不断变化的。The high isotactic polybutene-1 was prepared with catalyst system consisting of supported titanium. At room temperature,the crystallization process and crystal transformation were investigated by differential scanning calorimeter, polarized light microscope,IR and XRD. The results indicate that the＇longer crystalization time is, the higer conversion of from Ⅰ to Ⅱ crystalline transition is. At room temperature, isotactic polybutene-1 complete crystallization need enough time, so the aggregation of isotactic polybutene-1 is constantly changing in a certain period of time.

关 键 词：高等规聚丁烯-1 结晶 晶型转变 X-射线衍射 

分 类 号：TQ333.6[化学工程—橡胶工业]