MIXTURES OF DIPHOSPHINIC ACIDS AND DIALKYLPHOSPHINIC ACIDS, A PROCESS FOR THE PREPARATION THEREOF AND THE USE THEREOF

The invention relates to mixtures of at least one diphosphinic acid of the formula (I) in which R1, R2 are the same or different and are each independently H, C1-C18-alkyl, C2-C18-alkenyl, C6-C18-aryl, C7-C18-alkylaryl, R5 is C1-C18-alkylene, C2-C18-alkenylene, C6-C18-arylene, C7-C18-alkylarylene wi...

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Hauptverfasser: SCHNEIDER, Fabian, BAUER, Harald, OSTEROD, Frank, SICKEN, Martin
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:The invention relates to mixtures of at least one diphosphinic acid of the formula (I) in which R1, R2 are the same or different and are each independently H, C1-C18-alkyl, C2-C18-alkenyl, C6-C18-aryl, C7-C18-alkylaryl, R5 is C1-C18-alkylene, C2-C18-alkenylene, C6-C18-arylene, C7-C18-alkylarylene with at least one dialkylphosphinic acid of the formula (II) in which R3, R4 are the same or different and are each independently C1-C18-alkyl, C2-C18-alkenyl, C6-C18-aryl and/or C7-C18-alkylaryl. The invention also relates to a process for preparing these mixtures and to the use thereof.