化工进展2025，Vol.44Issue(3)：1309-1322,14.DOI:10.16085/j.issn.1000-6613.2024-0411
茂金属催化线性α-烯烃聚合获取高分子量产物研究进展
Research of metallocene catalysts for linear α-olefins polymerization to obtain high molecular weight products
刘俊杰 1吴建民 1孙启文 1王建成 2孙燕1
作者信息
- 1. 太原理工大学化学工程与技术学院,山西 太原 030024||怀柔实验室山西研究院,山西 太原 030000||上海兖矿能源科技研发有限公司煤液化气化及高效低碳利用全国重点实验室,上海 201203
- 2. 太原理工大学化学工程与技术学院,山西 太原 030024||怀柔实验室山西研究院,山西 太原 030000
- 折叠
摘要
Abstract
Compared to Ziggler-Natta and Lewis acid catalysts,many characteristics,including better activity,higher molecular weight,single product distribution and greater environmental friendliness,have been found in metallocene catalysis for linear α-olefins(LAO)polymerization.However,its development is limited due to the complex preparation process and strict requirements for the content of water and oxygen in catalytic systems.Based on this,the types,reaction conditions and performance of metallocene catalysts used in previous studies on different LAO monomers were summarized firstly.Subsequently,the main reasons for different performance of catalysts were anal yzed in spatial structure,electronic structure and the cocatalyst influence such as spatial hindrance,β-H proportion and rigidity.Meanwhile,the suitable metallocene catalyst and optimal operating condition for the polymerization of different LAO were proposed.Finally,the construction of catalytic system using organoboron compound as cocatalyst,the subsequent study of the mechanism and influence factors,and the design synthesis of metallocene catalysts with hafnium as metal active center for LAO polymerization were discussed.This review intended to provide theoretical guidance for the development and design of metallocene catalyst for LAO polymerization obtaining high molecular weight products.关键词
茂金属催化剂/线性α-烯烃/催化聚合/聚合物/高分子量产品Key words
metallocene catalysts/linear α-olefins/catalytic polymerization/polymers/high molecular weight products分类
化学工程引用本文复制引用
刘俊杰,吴建民,孙启文,王建成,孙燕..茂金属催化线性α-烯烃聚合获取高分子量产物研究进展[J].化工进展,2025,44(3):1309-1322,14.
