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带有介电电活性聚合物的软换能器

创新软材料的传感器

什么是 DEAP | 致动器&传感器 | 硅基 DEAP | 软致动器结构

 

什么是软传感器?

诸如致动器和传感器等基于软材料的设备,已成为各种新兴应用的关注焦点。介电弹性体和介电凝胶具有弹性和柔软性,因此可作为软换能器的主要组件发挥关键作用。介电弹性体和介电凝胶的形状变化可用于转换能量(例如,从电气到机械),从而形成可持续的解决方案,例如

  • 轻量化
  • 机械合规
  • 设计灵活性
  • 安静

软换能器的潜在应用包括:消费类电子产品、交通电子产品、游戏、发生器(能量采集)、机器人、人造肌肉、基础设施、床垫、扬声器和电子牙刷


材料比较和陶氏的重点

不同的材料具有独特的致动和应力特性。介电电活性聚合物 (DEAP) 提供差异化、较大的促动应变。

应力特性表


软驱动器原理

基于 DEAP 的软致动器的最简单形式是夹在两个电极之间的薄弹性体膜。在弹性体薄膜两侧施加电压会产生 Maxwell 压力,导致面积增加和厚度减小。

软驱动器原理


软传感器原理

基于 DEAP 的软传感器被视为一种力传感器。当机械变形时,弹性体薄膜的电容会改变。此电容变化可用于检测不同水平的外力。

软传感器原理


为什么选择硅基介电电介质聚合物 (DEAP)?

在研发初期,聚丙烯酸酯和聚氨酯是常用的 DEAP 材料。最近,由于以下优势,有机硅吸引了人们的极大关注,并呈现了最有前景的材料:

优点:

  • 降低工作电压
  • 大动作
  • 低粘弹性和更快的响应
  • 在恶劣环境(高湿度、温度等)下进行耐用、可靠和稳定的操作
     
应力特性表


陶氏技术和可持续解决方案

我们在介电弹性体和介电凝胶领域的深厚知识和长期经验,可通过提高产品性能加快您的技术和产品开发。有机硅材料已被公认为具有适用于软换能器的卓越性能。我们可以根据您的特定应用需求定制硅基介电弹性体和介电凝胶产品。此外,陶氏的有机硅和有机材料科学在推进软换能器的材料科学方面提供互补优势,如下所示:

  • 聚合物结构设计和合成
  • 配方和复合显影
  • 机械和电气性能优化
  • 整体解决方案产品
    • 介电弹性体
    • 介电凝胶
    • 电极
    • 粘合剂
    • 导电材料
    • 工艺支持,包括薄膜制造
    • 基本机电性能评估 
       
陶氏产品  应用   独特特性
ME-7540 电活性弹性体 高介电常数
SYLGARD 184 电活性弹性体 快速响应速度
ME-1800 探索我们的新型导电粘合剂 高导电性
OS-20 用于 DEAP 或电极印刷的稀释剂 非常适用于有机硅稀释

为我们的客户提供一流的介电弹性体和介电凝胶产品,陶氏的材料科学专业知识和可持续解决方案可增加更多优势,使得软换能器的广泛商业使用成为可能。 联系我们
 

软致动器的结构

陶氏的技术和产品在哪里使用?


资源