在液晶介质中对疏水性和疏水性单体进行超分子共聚
Daiki Morishita1, Yoshimitsu Itoh1,2, Ko Furukawa3
1Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan itoh@chembio.t.u-tokyo.ac.jp aida@macro.t.u-tokyo.ac.jp.
Chemical science
|March 15, 2024
概括
研究人员通过仔细控制度和介质,实现了两种不同的氨酸单体的高分子共聚合. 这克服了超分子系统中的不可混合性问题,形成了集成的柱状液晶相.
科学领域:
- 超分子化学 超分子化学
- 聚合物科学 聚合物科学
- 材料科学 材料科学 材料科学
背景情况:
- 不混合的聚合物可以通过共价链接进行集成,但对于超分子聚合物来说,这不是可行的.
- 超分子聚合物依赖于非共价相互作用进行组装.
研究的目的:
- 为了研究两个不混合的氨酸基单体的超分子共聚合.
- 探索将不同的单体集成到统一的超分子结构中的策略.
主要方法:
- 使用了两种氨酸单体,具有不同的侧链 (疏水性基和疏水性四甲乙烯甘醇),与二 (CB) 组功能化.
- 在极度稀释和高度条件下在非极性介质和5OCB介质中研究了自我分类的超分子聚合.
主要成果:
- 在高稀释下,由于侧链不兼容,单体自我排序,防止共聚合.
- 在高度的4-cyano-4'-pentyloxybiphenyl (5OCB) 中介下,单体经历了超分子共聚合.
- 这导致了由超分子块共聚物组成的柱状液晶相的形成.
结论:
- 不混合的单体的超分子共聚化在特定的热力学条件下是可以实现的.
- 二 (CB) 末端组和5OCB介质的组合对于将单体集成到相隔结构中至关重要.
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