| abstract |
The invention relates to a mixture of at least one diphosphonic acid of the formula (I) and at least one dialkylphosphonic acid of the formula (II) Wherein R 1 , R 2 are the same or different and are each independently H, C 1 -C 18 -alkyl, C 2 -C 18 -alkenyl, C 6 -C 18 -aryl, C 7 -C 18 -alkane Aryl, R 5 is C 1 -C 18 -alkylene, C 2 -C 18 -enkenyl, C 6 -C 18 -exyl, C 7 -C 18 -alkyl extended aryl Wherein R 3 and R 4 are the same or different and are each independently C 1 -C 18 -alkyl, C 2 -C 18 -alkenyl, C 6 -C 18 -aryl and/or C 7 -C 18 -alkane Aryl.n n n The invention also relates to the preparation of these mixtures and their use. |