Reactive ionic liquids

Ionic liquids of the general formula I

• K+A− (I)
• in which:
• K+ denotes at least one cation selected from the group consisting of the general formula IV
• where
• X denotes CH2;
• R5 denotes —(CH2)n—O—C(O)—R— where n=2;
• and
• R denotes CH3;
• and
• A− denotes at least one anion selected from the group consisting of
• [FyP(CmF2m+1)6−y]−;
• (CmF2m+1)2P(O)O−;
• (CmF2m+1)P(O)O22−;
• O—C(O)—CmF2m+1;
• O—S(O)2—CmF2m+1;
• N(C(O)—CmF2m+1)2;
• N(S(O)2—CmF2m+1)2;
• N(C(O)—CmF2m+1)(S(O)2—CmF2m+1);
• N(C(O)—CmF2m+1)(C(O)F);
• N(S(O)2—CmF2m+1)(S(O)2F);
• N(S(O)2F)2;
• C(C(O)—CmF2m+1)3;
• C(S(O)2—CmF2m+1)3;
• where y=1, 2, 3, 4 or 5 and m=1 to 8, where some of the CF2 groups may be replaced by O, S(O)2, NR or CH2, and where
• denotes a 1,2- or 1,3-diol, a 1,2- or 1,3-dicarboxylic acid or a 1,2- or 1,3-hydroxycarboxylic acid;
• Y denotes B or Al;
• R1 to R4 denote halogen, and/or a fluorinated or non-fluorinated alkoxy or carboxyl radical.