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    • 1. 发明授权
    • Dielectric fluids comprising polyol esters
    • 包含多元醇酯的介电流体
    • US09028727B2
    • 2015-05-12
    • US13594011
    • 2012-08-24
    • Weiming QiuPeter A Brown
    • Weiming QiuPeter A Brown
    • H01B3/20C07C67/29C09K5/06C07C69/58
    • H01B3/20C07C67/29C07C69/58C09K5/063Y10T442/2475
    • Dielectric fluids are provided, the dielectric fluids comprising a mixture of polyol esters derived from a reaction of a) a polyol comprising pentaerythritol, trimethylolpropane, neopentyl glycol, or combinations thereof, and b) a mixture of fatty acid esters derived from a high oleic soybean oil comprising fatty acid moieties, wherein the high oleic soybean oil has a C18:1 content of greater than 65% of the fatty acid moieties in the oil, and a combined C18:2 and C18:3 content of less than 20% of the fatty acid moieties in the oil. Also provided are electrical apparatuses comprising the dielectric fluids, and processes for preparing the mixtures of polyol esters.
    • 提供介电流体,介电流体包含衍生自a)包含季戊四醇,三羟甲基丙烷,新戊二醇或其组合的多元醇的反应的多元醇酯的混合物,和b)衍生自高油酸大豆的脂肪酸酯的混合物 油包含脂肪酸部分,其中高油酸大豆油具有大于油中脂肪酸部分的65%的C18:1含量,并且组合的C18:2和C18:3含量小于 油中的脂肪酸部分。 还提供了包括介电流体的电气设备,以及制备多元醇酯的混合物的方法。
    • 10. 发明申请
    • POLY(METH)ACRYLAMIDES AND POLY(METH)ACRYLATES CONTAINING FLUORINATED AMIDE
    • 聚(甲基)丙烯酰胺和含有氟化酰胺的聚(甲基)丙烯酸酯
    • US20100233419A1
    • 2010-09-16
    • US12787651
    • 2010-05-26
    • Weiming Qiu
    • Weiming Qiu
    • B32B5/02C07C69/52C07C233/00B05D1/02B05D1/28B05D1/18C08F14/18B32B27/00D02G3/00B32B27/10
    • C07C235/08C07C233/18C07C233/36C08F214/18C08F214/186C08F2220/1891D06M15/277D06M2200/11D06M2200/12Y10T428/23986Y10T428/2933Y10T428/31855Y10T428/31895Y10T442/20
    • A composition comprising a copolymer having repeating units in any sequence of Formula I wherein Rf is a straight or branched perfluoroalkyl group having from about 1 to about 20 carbon atoms, or a mixture thereof, which is optionally interrupted by at least one oxygen atom, X3 is oxygen or X1, each X1 is independently an organic divalent linking group having from about 1 to about 20 carbon atoms, optionally containing an oxygen, nitrogen, or sulfur, or a combination thereof, G is F or CF3, A is an amide, j is zero or positive integer, X2 is an organic linking group, Y is O, N or S, h is zero when Y is N, and h is one when Y is O or S, Z is H, a straight or branched alkyl group having from about 1 to about 4 carbon atoms, or halide, B is H or wherein Rf, X1, X3, G, A, and j are as defined above, provided that when B is H, j is a positive integer, m is a positive integer, q is zero or a positive integer when Y is O, and q is a positive integer when Y is N or S, p is zero or a positive integer when Y is O, and p is a positive integer when Y is N or S, each W is independently various copolymer units.
    • 一种组合物,其包含具有式I的任何顺序的重复单元的共聚物,其中Rf是具有约1至约20个碳原子的直链或支链全氟烷基,或其混合物,其任选被至少一个氧原子, 是氧或X 1,每个X 1独立地是具有约1至约20个碳原子的有机二价连接基团,任选地含有氧,氮或硫,或其组合,G是F或CF 3,A是酰胺, j为0或正整数,X2为有机连接基团,Y为O,N或S,当Y为N时,h为0,Y为O或S时为h,Z为H,直链或支链烷基 具有约1至约4个碳原子的基团,或卤化物,B为H或其中Rf,X1,X3,G,A和j如上所定义,条件是当B为H时,j为正整数,m 是正整数,当Y为O时,q为零或正整数,当Y为N或S时,q为正整数,p为零或为正i 当Y为O时,当Y为N或S时,p为正整数,每个W独立为各种共聚单元。