高强度双网水凝的设计和施工,具有流量诱导的定向
Li Guo1, Cheng Ji1, Haiwang Wang1
1Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao 066004, PR China.
Journal of colloid and interface science
|June 9, 2024
概括
这项研究开发了一种强大的酸盐/聚烯胺复合液凝,使用双网络,定向结构和TiO2纤维兴奋剂. 通过注射器挤出优化制备,为可穿戴传感器提供了卓越的机械性能.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物科学 聚合物科学
- 生物材料工程 生物材料工程
背景情况:
- 高强度的水凝对于先进的应用至关重要.
- 开发强大的水凝往往需要结合多种硬化策略.
- 基于注射器的制剂可以控制水凝的结构和特性.
研究的目的:
- 为了创建一个高强度的酸盐/聚烯胺 (PAM) /改性二氧化纤维 (TiO2 NF@PAM) 双网络复合水凝.
- 研究制备方法和成分比对机械性能的影响.
- 探索这些水凝作为可适应,可穿戴传感器的潜力.
主要方法:
- 使用酸盐,PAM和TiO2 NF@PAM通过注射器挤出制造双网络复合水凝.
- 制备参数的系统变化,包括成分比率,兴奋剂阶段和注射器挤出条件 (速度,直径,长度).
- 机械性质的表征,包括拉伸强度和破裂时的延长.
主要成果:
- 用注射器准备的酸水凝显示出优越的轴向和高拉伸强度.
- 与TiO2 NF@PAM合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合物合
- 在特定的制备条件下,可以获得最佳的机械性能,包括高达1131 ± 67kPa的抗拉强度和166 ± 5%的破裂延伸.
结论:
- 集成双网络,面向结构和纳米相兴奋剂有效地产生高强度的水凝.
- 注射器挤出参数显著影响水凝的方向和机械性能.
- 开发的Alginate/PAM/TiO2 NF@PAM复合水凝由于其机械强度,导电性和可编织性,对可穿戴传感器应用非常有希望.
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