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    • 12. 发明授权
    • Surfactants to create fluoropolymer dispersions in fluorinated liquids
    • 在氟化液体中形成氟聚合物分散体的表面活性剂
    • US5532310A
    • 1996-07-02
    • US430556
    • 1995-04-28
    • Mark W. GrenfellRichard M. FlynnPatricia M. Savu
    • Mark W. GrenfellRichard M. FlynnPatricia M. Savu
    • C11D7/50C08J3/09C08K5/095C08K5/20C08K5/435C09D127/12C09D133/02C09D139/06C11D7/60C08K5/02C08K5/16C08L27/12C08L27/18
    • C08J3/09C08K5/095C08K5/20C08K5/435C08J2327/12
    • This invention provides a fluoropolymer dispersion useful for coating applications. The dispersion is a homogeneous and non-ozone depleting dispersion comprising a lubricious fluoropolymer, an inert perfluorinated liquid, a polar solvent, and an effective amount of a surface active agent selected from the group consisting of:a. perfluoroaliphatic amidoalkanols;b. polymerized products formed from the reaction of a mixture comprising a hydrophilic monomer and a monomer of the general formula: ##STR1## wherein p and q are integers between 1 and 4 inclusive, x and y are integers between 0 and 4 inclusive, m is 1 or 2, n is an integer between 3 and 10 inclusive, X' is either a methyl group or a single hydrogen atom, g is 0 or 1, and Q is a sulfonamido constituent group according to the formula: ##STR2## wherein R.sup.1 is a hydrogen or a lower alkyl group having from 1 to 6 carbon atoms and wherein the hydrophilic monomer is present in an amount constituting inclusively between five and twenty-five weight percent of the reactant mixture when the polar solvent employed is a polar organic solvent and wherein the hydrophilic monomer is present in an amount constituting inclusively between one and twenty-five weight percent of the reactant mixture when the polar solvent employed is water; andc. Perfluorinated ether acids according to the general formula: ##STR3## wherein z is between 1 and 10 inclusive, s is between 0 to 4, t is between 0 to 4, v between 0 to 5, w is 0 or 1, and Y is either F or CF.sub.3.
    • 本发明提供了一种可用于涂料应用的含氟聚合物分散体。 分散体是均匀和非消耗臭氧的分散体,其包含润滑的含氟聚合物,惰性全氟化液体,极性溶剂和有效量的选自以下的a的表面活性剂:a。 全氟脂族酰氨基链烷醇; b。 由包含亲水单体和单体的混合物反应形成的由以下通式表示的聚合产物:其中p和q是包括1和4的整数,x和y是0和4之间的整数,其中m是1 或2,n为3〜10的整数,X'为甲基或单个氢原子,g为0或1,Q为根据下式的亚磺酰氨基成分基团:其中R1为 氢或具有1至6个碳原子的低级烷基,并且当所用的极性溶剂是极性有机溶剂时,所述亲水性单体以占所述反应物混合物的5至25重量%的量包含在其中的量存在,并且其中 当所使用的极性溶剂是水时,亲水性单体以包含在反应物混合物的一种和25重量%之间的量存在; 和c。 全氟化醚酸,其通式如下:其中z在1和10之间,其中s在0至4之间,t在0至4之间,v在0至5之间,w为0或1,Y为 F或CF3。