石油化工2025，Vol.54Issue(6)：779-784,6.DOI:10.3969/j.issn.1000-8144.2025.06.004
茂金属聚丙烯催化剂的丙烯聚合动力学研究
Kinetic study of propylene polymerization with metallocene polypropylene catalyst
胡慧杰 1李德展 1杜亚锋 1赵梦垚 1邹发生1
作者信息
- 1. 中石化(北京)化工研究院有限公司,北京 100013
- 折叠
摘要
Abstract
The long-term polymerization kinetic behavior of the self-made metallocene polypropylene catalyst MCAT-1 and commericial Ziegler-Natta(Z-N)catalyst was investigated.The initial polymerization of MCAT-1 and Z-N catalysts was evaluated,and the initial polymerization kinetic parameters of MCAT-1 were obtained.The relationship among the MCAT-1 catalyst,polymer morphology,and polymerization ratio was examined.The experimental results show that compared with the Z-N catalyst,the MCAT-1 catalyst exhibits a slower decay in polymerization rate in the later stage.In the early stage of polymerization,the initial reaction rate of the MCAT-1 catalyst is affected by reaction temperature and shows a rapid decay trend over time,following the Arrhenius equation.The surface morphology of the polymer changes in stages with the increase in polymerization rate.关键词
茂金属聚丙烯催化剂/丙烯聚合反应/动力学行为Key words
metallocene polypropylene catalyst/propylene polymerization/kinetic behavior分类
化学工程引用本文复制引用
胡慧杰,李德展,杜亚锋,赵梦垚,邹发生..茂金属聚丙烯催化剂的丙烯聚合动力学研究[J].石油化工,2025,54(6):779-784,6.
