含有8-anilide-5,6,7-trihydroquinoline连接体的复合物用于乙烯 (共聚合) 聚合
Ruiyao Wu1,2, Zhen Niu1,2, Zhu Xia1,2
1Key Laboratory of High-Performance Synthetic Rubber and Its Composite Materials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China. baicx@ciac.ac.cn.
具有8-anilide-5,6,7-trihydroquinoline配体的新型催化剂显示出高活性和稳定性,用于乙烯聚合和共聚合. 这些发现促进了烯聚合催化剂的发展.
科学领域:
- 有机金属化学 有机金属化学
- 聚合物科学 聚合物科学
- 催化剂是一种催化剂.
背景情况:
- 复合物是烯聚合物的重要催化剂.
- 连接物设计显著影响催化剂性能和聚合物特性.
研究的目的:
- 用8-anilide-5,6,7-trihydroquinoline连接物合成新的三价和五价复合物.
- 评估它们在乙烯聚合和共聚化中的催化活性和稳定性.
主要方法:
- 合成和表征复合物使用元素分析,FTIR和NMR.
- 用X射线单晶衍射进行结构确定.
- 在乙烯聚合和与诺波和1-烯共聚的催化试验.
主要成果:
- 复合物V5-V7在乙烯聚合过程中表现出高活性 (高达82.8 × 10^6 g molV^-1 h^-1).
- 对于乙烯/norbornene,观察到高活性 (高达105.6 × 10^6 g molV^-1 h^-1) 和共聚合能力.
- 实现了可调节的norbornene插入比率 (8.1%-30.9%) 和中度的1-hexene插入 (1.2%).
结论:
- 这种8-anilide-5,6,7-trihydroquinoline连接体框架增强了催化剂的性能.
- 这些配体为受控聚合提供可调节的电子和硬质性质.
- 开发的催化剂显示出生产先进聚烯的潜力.
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