来自多功能新型宏观分子的聚烯-极性块共聚物
Christopher J Kay1, Paul D Goring1, Connah A Burnett1
1Department of Chemistry , University of Warwick , Coventry CV4 7AL , U.K.
Journal of the American Chemical Society
|September 28, 2018
概括
一种新型的金属催化剂使α-甲基 styrene 的化物插入聚合成为可能,从而产生具有特定末端组的多聚烯. 这种方法促进了高级块共聚物的合成,并有助于混合不混合的聚合物.
科学领域:
- 聚合物化学
- 有机金属化学
- 材料科学
背景情况:
- 金属催化剂在烯聚合过程中至关重要.
- 控制聚合物架构和终端组的功能仍然是一个挑战.
- 开发新的聚合机制可以带来具有独特特性的新材料.
研究的目的:
- 阐明一种新的基于金属的聚合机制,其中包括化.
- 使用α-甲基 styrene合成具有特定终端组的多聚烯.
- 创建新的区块共聚物并探索它们在聚合物混合中的应用.
主要方法:
- 使用化中心对α-甲基styrene进行催化插入.
- 用于生产线性聚乙烯和共聚物.
- 通过合成的宏分子进行基质聚合,形成双块共聚物.
主要成果:
- 阐明了一种新的催化插入聚合机制.
- 有终端α-甲基styrenyl组的多聚烯酸被成功合成.
- 制造了包含聚烯和烯酸/甲烯酸/乙烯/烯基段的双块共聚物.
- 合成的材料在混合不混合的聚合物混合中表现出有用性.
结论:
- 这种基于金属的新机制为功能化聚烯提供了多功能途径.
- 这种方法可以轻松合成具有调节性质的双块共聚物.
- 开发的材料显示出在聚合物混合物兼容性和接口现象中的应用.
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