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相关概念视频

Network Covalent Solids02:18

Network Covalent Solids

13.3K
Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
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相关实验视频

Updated: May 31, 2025

Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators
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Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators

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强大的机械互锁网络离子凝.

Mengling Yang1, Jinhao Li2, Chunyu Wang1

  • 1School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China.

Angewandte Chemie (International ed. in English)
|January 23, 2025
PubMed
概括
此摘要是机器生成的。

我们开发了具有增强强度和性的机械互锁网络离子凝 (IG-MINs). 这些强大的离子凝显示出对应变传感器等应用的希望,克服了当前材料的局限性.

关键词:
离子凝是一种离子凝.机械债券 机械债券形状记忆 - 形状记忆抗撕裂性能 抗撕裂性能 抗撕裂性能硬化机制的硬化机制

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Synthesis of an Intein-mediated Artificial Protein Hydrogel
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相关实验视频

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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:

  • 离子凝具有独特的离子导电性和热稳定性,但机械性能差.
  • 软弱的机械性能限制了传统电离体凝的广泛应用.

研究的目的:

  • 使用机械互锁网络开发强大,坚固和抗冲击的离子凝.
  • 为了提高电离凝的机械性能,用于更广泛的应用.

主要方法:

  • 将具有机械键的离子液体纳入离子凝结构.
  • 机械互锁网络离子凝 (IG-MIN) 的设计,用于能量消耗和结构完整性.

主要成果:

  • IG-MIN 具有很高的抗拉强度 (9.6 MPa),破裂能量 (39 kJ/m2) 和性 (25.9 MJ/m3).
  • 实现了高延伸度 (473%),优异的抗冲击性能和形状记忆性能.
  • IG-MIN 保持稳定的电信号,作为爬行机器人的应变传感器.

结论:

  • 机械互锁的网络为硬化离子凝提供了一个可行的策略.
  • 开发的IG-MIN在整体性能方面超过了现有的离子凝.
  • 这项研究促进了机械互锁材料及其应用的进步.