method for the preparation of metaalfosforigzuurmonoesters and method for preparation of corrosieverhinderende preparations that contain such a metaalfosforigzuurmonoester.

摘要

Compounds having the formula IMAGE WHEREIN R1 is the R3-[O-(C2H4O)zC2H4-]p group of which R3 is an alkyl group with 8 to 18 carbon atoms or an alkylaryl group whose alkyl residue has at least 8 carbon atoms, or an acyl group with at least 8 carbon atoms, p has a value of 0 or 1 but must be equal to 1 when R3 is an acyl group, and z = 0 or a whole number, R2 is hydrogen or the IMAGE group of which R4 is an alkyl residue with 1 to 4 carbon atoms, Me is a metal or an organometallic group, X IS A WHOLE NUMBER WHICH CORRESPONDS TO THE VALENCE OF THE METAL OR THE ORGANOMETALLIC GROUP AND Y IS 0 OR ANY WHOLE NUMBER LESS THAN X.