Aminophosphonium compounds

A mixture of substances comprising at least one compound of the formula

• in which one, two or three of the radicals R1, R2, R3 and R4 are
• where m and n are an integer from 1 to 10, R5, R6, R7 and R8 are, independently of one another, identical or different and are a straight-chain or branched alkyl radical having 1 to 10 carbon atoms, and the remaining radical(s) R1 to R4 are
• X− is an inorganic or organic anion or an equivalent of a multiply charged inorganic or organic anion
• and at least one compound selected from the group of quaternary ammonium compounds of the formula
• quaternary ammonium salts or phosphonium salts of the formula
• polyethers of the formula R20—(O—CxH2x)s—OR21 (4) and crown ethers,
• in which in formula (2) R11, R12 and R13 are identical or different and are a linear or branched radical of the formula —(CpH2pO)rR15 in which R15 is hydrogen or a linear or branched alkyl radical having 1 to 16 carbon atoms, p is an integer from 1 to 10 and r is an integer from 1 to 15;
• or a linear or branched alkyl radical having 1 to 30 carbon atoms;
• or an unsubstituted phenyl or naphthyl radical, or a substituted phenyl or naphthyl radical, where the substituents have the meaning of halogen, C1-C4-alkyl, C1-C4-alkoxy, nitro or cyano;
• R14 is a linear or branched radical of the formula —(CpH2pO)rR15 and Y− is an inorganic anion;
• and in formula (3) R16, R17, R18 and R19 are identical or different and are a linear or branched alkyl radical having 1 to 22 carbon atoms;
• or an unsubstituted or substituted aryl radical or a C1-C4-alkylaryl radical, where aryl has the meaning of phenyl or naphthyl, and said substituents are halogen, C1-C4-alkyl, C1-C4-alkoxy, nitro or cyano;
• Z has the meaning of N or P, and Y− is an inorganic anion;
• and in formula (4) R20 and R21 are identical or different and are a linear or branched alkyl radical having 1 to 16 carbon atoms;
• x is an integer from 2 to 6 and s is an integer from 1 to 60;
• or one of the radicals R20 and R21 is hydrogen and the other one of the radicals is a linear or branched alkyl radical having 1 to 16 carbon atoms, x is an integer from 2 to 6 and s is an integer from 2 to 50, or the radicals R20 and R21 are hydrogen, x is an integer from 2 to 6 and s is an integer from 3 to 5.