Manufacturing, characterisation and moulding of magnetoactive thermoplastic elastomers with focus on applications for sensors and actuators

磁活性热塑性弹性体的制造、表征和成型，重点关注传感器和执行器的应用

• 批准号: 238080255
• 负责人: Dr. Mario Schrödner
• 金额: --
• 依托单位: Thüringisches Institut für Textil- und Kunststoff-Forschung e.V.
• 依托单位国家: 德国
• 项目类别: Priority Programmes
• 财政年份: 2013
• 资助国家: 德国
• 起止时间: 2012-12-31 至 2014-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/238080255?language=en
• 关键词: Manufacturing; characterisation; moulding; magnetoactive; thermoplastic

Increasing demand for multifunctional and functional integrated devices supports the research on smart materials. They include hybrid materials, whose microscale interaction of components results in macroscopic properties, which show magnetically controlled mechanical compliancy. Derived applications can be monolithic sensor actuator systems.The considered project bridges the fields of material synthesis and technical implementation. Manufacturing technologies are strongly required to make the basic material fit for technical purposes. Shaping (semi-finished products, special forms) and the potential suitability for industrial processes are crucial criteria, too.Basing on the experiences with electroactive elastomers, the proposer plans the adaption of processes on magnetoactive thermoplastic elastomers. This includes the selection and testing of magnetic particles, the elastomer matrix and additional agents. Further characterization of the mechanical-dynamic and magnetic-dynamic properties as well as production depending on relevant properties (particle dispersion, processability, fine patterning) is required. The early aim is the shaping of simple geometries (fiber extrusion) and joining technologies (weaving or contacting on substrate) with the focus on manipulative sensoric applications. In Detail, investigation concern a) cilia structured functional surfaces (for grippers) and b) a tactile sensoric mesh. The mechanic compliancy of both subjects is controlled magnetically and, for b), an additional, deformation influenced electrical conductivity provides a sensoric function.

对多功能和功能集成器件的需求日益增加，支持了智能材料的研究。它们包括混合材料，其组分的微尺度相互作用导致宏观性质，其显示磁控机械顺应性。衍生的应用可以是单片传感器执行器系统。所考虑的项目桥接了材料合成和技术实现领域。为了使基本材料适用于技术目的，强烈要求制造技术。成型（半成品，特殊形式）和对工业过程的潜在适用性也是关键标准。根据电活性弹性体的经验，提议者计划对磁活性热塑性弹性体的工艺进行调整。这包括磁性颗粒、弹性体基质和附加剂的选择和测试。需要进一步表征机械动力学和磁动力学特性，以及根据相关特性（颗粒分散性、加工性、精细图案化）进行生产。早期的目标是形成简单的几何形状（纤维挤出）和连接技术（编织或接触基材），重点是操纵传感器应用。详细地说，研究涉及a）纤毛结构化功能表面（用于夹具）和B）触觉传感网。两个对象的机械顺应性都是磁性控制的，并且对于B），附加的受变形影响的电导率提供了传感功能。