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。

    STABLE EMULSIONS AND THEIR USE IN THE PRODUCTION OF FOAMS BASED ON ISOCYANATE
    4.
    发明申请
    STABLE EMULSIONS AND THEIR USE IN THE PRODUCTION OF FOAMS BASED ON ISOCYANATE 审中-公开
    稳定的乳液及其在异氰酸酯生产中的应用

    公开(公告)号:US20140323605A1

    公开(公告)日:2014-10-30

    申请号:US14240770

    申请日:2012-08-22

    IPC分类号: C08G18/48 C08L75/08

    摘要: The invention relates to stable emulsions for the production of foams based on isocyanate, at least comprising three polyols A1a, A1b and A1c as well as at least one physical blowing agent T, wherein A1a is a polyether polyol obtained by addition of epoxides to starter compounds selected from carbohydrates and di- or higher-functional alcohols, A1b is a polyether polyol started on an aromatic amine, and A1c is a polyester polyol obtained by esterification of a polycarboxylic acid component and a polyalcohol component, wherein the total amount of aromatic dicarboxylic acid derivatives used in the esterification, calculated on the basis of the free aromatic dicarboxylic acids and based on the total mass of polyalcohol component and polycarboxylic acid component, is less than or equal to 48.5% by mass.

    摘要翻译: 本发明涉及用于生产基于异氰酸酯的泡沫的稳定乳液,至少包含三种多元醇A1a,A1b和A1c以及至少一种物理发泡剂T,其中A1a是通过向起始化合物中加入环氧化物得到的聚醚多元醇 选自碳水化合物和二官能或更高官能的醇,A1b是在芳族胺上开始的聚醚多元醇,A1c是通过多元羧酸组分和多元醇组分的酯化获得的聚酯多元醇,其中芳族二羧酸 以游离芳族二羧酸为基准,以多元醇成分和多元羧酸成分的总质量为基准计算的酯化衍生物的摩尔比小于或等于48.5质量%。