ELECTROMECHANICAL TRANSDUCER COMPRISING A POLYURETHANE POLYMER WITH POLYTETRAMETHYLENE GLYCOL ETHER UNITS
    1.
    发明申请
    ELECTROMECHANICAL TRANSDUCER COMPRISING A POLYURETHANE POLYMER WITH POLYTETRAMETHYLENE GLYCOL ETHER UNITS 审中-公开
    聚氨酯乙二醇单体聚氨酯聚合物的机电传感器

    公开(公告)号:US20110133598A1

    公开(公告)日:2011-06-09

    申请号:US12959935

    申请日:2010-12-03

    IPC分类号: H01L41/193 H01L41/22

    摘要: The present invention provides an electromechanical transducer comprising a dielectric elastomer with contact by a first electrode and a second electrode, said dielectric elastomer comprising a polyurethane polymer comprising the reaction product of A) a polyisocyanate and/or B) a polyisocyanate prepolymer with C) a compound having at least two isocyanate-reactive groups wherein the polyisocyanate prepolymer B) and/or the compound C) having at least two isocyanate-reactive groups comprise polytetramethylene glycol ether units of the formula (I): —[O—CH2-CH2-CH2-CH2-]n  (I) where n≧25; and with a minimum value nmin for the value n and a maximum value nmax for the value n in the formula (I) selected such that the difference between nmax and nmin is ≧0 to ≦4. The present invention further provides a process for producing such an electromechanical transducer, and to an electric and/or electronic device including the inventive electromechanical transducer.

    摘要翻译: 本发明提供一种机电换能器,其包括与第一电极和第二电极接触的电介质弹性体,所述介电弹性体包含聚氨酯聚合物,其包含A)多异氰酸酯和/或B)多异氰酸酯预聚物与C) 具有至少两个异氰酸酯反应性基团的化合物,其中多异氰酸酯预聚物B)和/或具有至少两个异氰酸酯反应性基团的化合物C)包括式(I)的聚四亚甲基二醇醚单元: - [O-CH 2 -CH 2 - CH2-CH2-] n(I)其中n≥25; 并且对于值n和对于选择的公式(I)中的值n的最大值nmax,使得nmax和nmin之间的差为≥0至< 1EE;对于值n为最小值nmin。 本发明还提供了一种用于制造这种机电换能器的方法,以及包括本发明的机电换能器的电和/或电子装置的方法。

    Sealants
    5.
    发明授权
    Sealants 有权
    密封剂

    公开(公告)号:US08981030B2

    公开(公告)日:2015-03-17

    申请号:US13514742

    申请日:2010-12-06

    摘要: The invention relates to alkoxysilane groups comprising prepolymers and the use thereof as binding agents for sealants. More specifically the invention relates to alkoxysilyl polyurethanes prepared from a polyol having a number-average molecular weight of from greater than 20,000 to 30,000 and an isocyanate alkoxysilane.

    摘要翻译: 本发明涉及包含预聚物的烷氧基硅烷基及其作为密封剂的粘合剂的用途。 更具体地,本发明涉及由数均分子量大于20,000至30,000的多元醇和异氰酸酯烷氧基硅烷制备的烷氧基甲硅烷基聚氨酯。