At least one dialkylphosphinic acids, which the admixture and are different from the at least one dialkylphosphinic acid, its preparation and use

摘要

The present invention relates to at least one dialkylphosphinic acid of formula (I) wherein R1, R2 are the same or different and are C1-C18 alkyl, C2-C18 alkenyl, C6-C18 aryl, C7- Means C18 alkyl-aryl] and at least one different dialkylphosphinic acid of formula (II) wherein R3, R4 are the same or different and are C1-C18 alkyl, C2-C18 Meaning alkenyl, C6-C18 aryl, and / or C7-C18 alkyl-aryl], provided that at least one of the groups R3 and R4 is different from R1 and R2; Relates to a manufacturing method and use thereof.