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    • 2. 发明申请
    • DIELECTRIC MATERIAL FOR POLYMERIC ACTUATOR, AND POLYMERIC ACTUATOR USING THE SAME
    • 用于聚合致动器的电介质材料和使用其的聚合物致动器
    • US20110018400A1
    • 2011-01-27
    • US12673729
    • 2008-08-07
    • Toshinori KatoTomiaki OtakeTaketoshi OkunoNozomu SugohToshihiro Hirai
    • Toshinori KatoTomiaki OtakeTaketoshi OkunoNozomu SugohToshihiro Hirai
    • H01L41/193H01L41/16
    • H01L41/193C08F297/02C08F297/026C08L53/00H01L41/0986C08L2666/02
    • It is intended to provide a dielectric material for polymeric actuator, which has a high dielectric constant, low Young's modulus and excellent operation performance, which can be simply formed, and which has high production efficiency. It is also intended to provide a polymeric actuator which comprises the dielectric material and has excellent operation performance.The dielectric material for a polymeric actuator comprised of a moveable part of the polymeric actuator driven by an electric field comprising; a block copolymer (A) having a microphase-separated structure including a polymer block (B1) and a polymer block (B2) both of which are immiscible with each other, wherein a main compositional unit in both of the polymer block (B1) and the polymer block (B2) is a (meth)acrylic ester unit, the polymer block (B1) has an alpha-dispersion temperature of 70° C. or more, and the polymer block (B2) has an alpha-dispersion temperature of 25° C. or less. The polymeric actuator comprises the dielectric material provided between electrodes.
    • 旨在提供一种用于聚合物致动器的介电材料,其具有高介电常数,低杨氏模量和优异的操作性能,其可以简单地形成,并且具有高生产效率。 还旨在提供一种包括电介质材料并具有优异的操作性能的聚合物致动器。 用于聚合物致动器的电介质材料包括由电场驱动的聚合物致动器的可移动部分,包括: 具有包含彼此不混溶的聚合物嵌段(B1)和聚合物嵌段(B2)的微相分离结构的嵌段共聚物(A),其中聚合物嵌段(B1)和 聚合物嵌段(B2)为(甲基)丙烯酸酯单元,聚合物嵌段(B1)的α-分散温度为70℃以上,聚合物嵌段(B2)的α-分散温度为25 ℃以下。 聚合物致动器包括设置在电极之间的电介质材料。