来自弹性体纳米复合材料的高度可拉伸的应力-张力传感器,具有可移动的交叉链接和Ketjenblack
Ryohei Ikura1,2, Kota Kajimoto1, Junsu Park1,2
1Department of Macromolecular Science, Graduate School of Science, Osaka University. 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan.
ACS polymers Au
|October 16, 2023
概括
研究人员使用聚合物纳米复合材料中的可移动交叉连接开发了先进的应力应变传感器. 这些材料为实际的电子应用提供了高强度,伸展性和导电性.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 纳米技术纳米技术
背景情况:
- 高性能应力应变传感器需要同时结合强度,伸展性和导电性.
- 聚合物 - 环氧化 (CD) 系统中的可移动交叉链增强了材料的性和机械性能.
研究的目的:
- 设计和开发新型弹性体纳米复合材料,用于高度敏感和可重复的应力应变传感器.
- 探索使用可移动交叉链和碳填充剂用于传感器制造的两种不同的方法.
主要方法:
- 复合材料的制造是通过混合单一可移动的跨网络材料 (SC),聚乙烯酸 (PEA) 和黑 (KB).
- 使用KB和可移动的跨网络弹性体来编织不相似聚合物 (KP) 的第二个复合物的创建,将CD修饰聚乙烯 (PSCD) 和PEA连接起来.
- 机械性能的表征,电阻在应变下变化,以及周期稳定性.
主要成果:
- 基于SC的复合材料表现出电阻与拉伸应变的比例增加,在100个循环中显示出稳定的反应.
- 基于KP的复合材料表现出高度敏感的,因聚合物从CD环中脱线而导致抗应变的指数级增长.
- 两种传感器设计都实现了良好的机械性能,包括强度和伸展性.
结论:
- 开发的带有可移动交叉链的弹性体纳米复合材料有效地作为应力应变传感器发挥作用.
- 这两种不同的复合设计提供了可调节的响应,要么是高度可重复的,要么是高度敏感的.
- 这些先进的材料有可能在灵活的电子和可穿戴设备中扩大应用范围.
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