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    • 2. 发明授权
    • Fluorinated onium salts, curable compositions containing same, and
method of curing using same
    • 含氟鎓盐,含有它们的可固化组合物和使用它们的固化方法
    • US5591804A
    • 1997-01-07
    • US576097
    • 1995-12-21
    • William D. CoggioDirk H. C. ArrenDouglas S. ParkerAllan T. Worm
    • William D. CoggioDirk H. C. ArrenDouglas S. ParkerAllan T. Worm
    • C08K5/17C08F8/00C08K5/36C08K5/50C08L27/16C08F8/30
    • C08F8/00C08F2800/20
    • A compound having the formula: ##STR1## where Q is an onium ion; A.sup.- is a counterion; R.sup.1, R.sup.2, R.sup.3, and R.sup.4, independently, comprise (a) a non-fluorinated alkyl, cycloalkyl, aryl, or aralkyl group; (b) an onium-containing group; or (c) a group having the formula --(CH.sub.2).sub.n --Y--R.sup.5 in which n is at least two; Y is a spacer arm comprising a --CH.sub.2 --, --O--, --OCH.sub.2 --, --S--, --SO.sub.2 --, or --Z--SO.sub.2-- group; Z is an --R.sup.6 --O--, --N(R.sup.7)--, or --N(H)-- group; R.sup.6 is a substituted or unsubstituted phenylene group; R.sup.7 is a non-fluorinated alkyl, cycloalkyl, aryl, or alkaryl group; and R.sup.5 is a fluorinated group, perfluorinated group, or combination thereof, with the proviso that (i) at least one of R.sup.1, R.sup.2, R.sup.3, and R.sup.4 comprises a group having the formula --(CH.sub.2).sub.n --Y--R.sup.5 ; (ii) the total number of fluorine atoms in said compound is at least 5; and (iii) when Q is a sulfonium ion, there is no R.sup.4 group. The invention further includes curable compositions comprising vinylidene fluoride-containing polymers and the above-described compounds, as well as a method for curing such compositions.
    • 具有下式的化合物:其中Q是鎓离子; A-是抗衡离子 R 1,R 2,R 3和R 4独立地包含(a)非氟化烷基,环烷基,芳基或芳烷基; (b)含鎓基团; 或(c)具有式 - (CH 2)n -Y-R 5的基团,其中n至少为2; Y是包含-CH 2 - , - O - , - OCH 2 - , - S - , - SO 2 - 或-Z-SO 2 - 基团的间隔臂; Z是-R 6 -O-,-N(R 7) - 或-N(H) - 基; R6是取代或未取代的亚苯基; R7是非氟化的烷基,环烷基,芳基或烷芳基; 并且R 5是氟化基团,全氟化基团或其组合,条件是(i)R 1,R 2,R 3和R 4中的至少一个包含具有式 - (CH 2)n -Y-R 5的基团; (ii)所述化合物中的氟原子总数至少为5; 和(iii)当Q是锍离子时,不存在R 4基团。 本发明还包括包含偏二氟乙烯的聚合物和上述化合物的可固化组合物,以及用于固化该组合物的方法。