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    • 2. 发明授权
    • Polymeric blends for sensor and actuation dual functionality
    • 用于传感器和驱动双重功能的聚合物混合物
    • US06689288B2
    • 2004-02-10
    • US10014158
    • 2001-11-28
    • Terry L. St. ClairJoycelyn S. HarrisonJi SuZoubeida Ounaies
    • Terry L. St. ClairJoycelyn S. HarrisonJi SuZoubeida Ounaies
    • H01B112
    • H01L41/193C08F259/00C08L27/16C08L51/06H01L27/14625H01L41/0926C08L2666/24C08L2666/04
    • The invention described herein supplies a new class of electroactive polymeric blend materials which offer both sensing and actuation dual functionality. The blend comprises two components, one component having a sensing capability and the other component having an actuating capability. These components should be co-processable and coexisting in a phase separated blend system. Specifically, the materials are blends of a sensing component selected from the group consisting of ferroelectric, piezoelectric, pyroelectric and photoelectric polymers and an actuating component that responds to an electric field in terms of dimensional change. Said actuating component includes, but is not limited to, electrostrictive graft elastomers, dielectric electroactive elastomers, liquid crystal electroactive elastomers and field responsive polymeric gels. The sensor functionality and actuation functionality are designed by tailoring the relative fraction of the two components. The temperature dependence of the piezoelectric response and the mechanical toughness of the dual functional blends are also tailored by the composition adjustment.
    • 本文描述的本发明提供了一类新的电活性聚合物共混材料,其提供了感测和致动双重功能。 共混物包括两个组分,一个组分具有感测能力,另一个组分具有致动能力。 这些组分应该是可共处理的并且在相分离的共混体系中共存。 具体地说,这些材料是从由铁电体,压电体,热电和光电聚合物组成的组中选择的感测组件和在尺寸变化方面对电场作出响应的致动组件的共混物。 所述致动组件包括但不限于电致伸缩接枝弹性体,介电电活性弹性体,液晶电活性弹性体和场响应聚合物凝胶。 传感器功能和致动功能通过调整两个部件的相对部分来设计。 双功能混合物的压电响应的温度依赖性和机械韧性也通过组合物调节来调整。