摄影诱导的机械隐蔽的二甲-交联微凝的微凝
Siyang He1,2, Simon Schog3, Ying Chen1,2
1DWI - Leibniz Institute for Interactive Materials, Forckenbeckstraße 50, 52056, Aachen, Germany.
Advanced materials (Deerfield Beach, Fla.)
|August 14, 2023
概括
这项研究表明,光控制的聚合物微凝可以掩盖自身的机械力. 通过使用可光切换的交叉连接器,研究人员可以调整微凝对力反应,从而使智能材料的新应用成为可能.
科学领域:
- 聚合物科学 聚合物科学
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
背景情况:
- 聚合物架构可以表现出刺激响应行为.
- 对于先进的应用程序来说,按需控制材料工艺至关重要.
- 可光切换的分子为材料设计提供可调节的特性.
研究的目的:
- 为聚合物微凝开发一种光诱导的机械遮系统.
- 调查可光开关的二乙烯 (DAE) 作为交叉连接器的使用.
- 为了证明对微凝机械反应的光门控制.
主要方法:
- 将可光切换的二乙烯 (DAE) 作为交叉连接剂纳入聚乙烯 (N-乙烯) 微凝中.
- 使用光来诱导体积相变温度 (VPTT) 的可逆转移.
- 应用机械力 (超声波) 来评估不同状态下的微凝完整性.
主要成果:
- 光诱导的DAE光交换转移了微凝的VPTT.
- 膨胀的微凝 (在VPTT下方) 容易受到强力破坏,而崩的微凝 (在VPTT上方) 仍然完好无损.
- DAE交叉连接器使微凝对机械力反应的光门控制成为可能,通过化机械孔证明了这一点.
结论:
- 成功开发了一种用于聚合物微凝的光诱导机械覆盖系统.
- 该系统通过光诱导交叉连接来控制聚合物拓.
- 这种方法具有多功能性,并可能适用于各种聚合物系统,用于按需的机械性质调制.
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