| abstract |
Patent Summary: "Mixtures of diphosphine and dialkylphosphinic acids, process for their production and use". The present invention relates to mixtures of at least one diphosphinic acid of formula (I), wherein R1, R2 are the same or different and independently of each other means h, C1-C18-alkyl, C2-C18-alkenyl. C6-C18-aryl, C7-C18-alkyl-aryl, R5 means C1-C18-alkyl, C2-C18-alkenyl, C6-C18-aryl, C7-C18-alkyl-aryl, with at least one dialkylphosphinic acid of (ii) wherein R 3, R 4 are the same or different and independently of each other means C 1 -C 18 alkyl, C 2 -C 18 alkenyl, C 6 -C 18 aryl and / or C 7 -C 18 alkyl aryl. The invention also relates to a process for producing such mixtures and their use. |