Mixtures Of Diphosphinic Acids And Alkylphosphinic Acids, A Process For The Preparation Thereof And The Use Thereof
申请人:Schneider Fabian
公开号:US20140309339A1
公开(公告)日:2014-10-16
Mixtures of diphosphinic acids and alkylphosphonic acids, a process for preparation thereof and use thereof.
The invention relates to mixtures of at least one diphosphinic acid of the formula (I)
in which
R
1
, R
2
are each H, C
1
-C
18
-alkyl, C
2
-C
18
-alkenyl, C
6
-C
18
-aryl, C
7
-C
18
-alkylaryl
R
4
is C
1
-C
18
-alkylene, C
2
-C
18
-alkenylene, C
6
-C
18
-arylene, C
7
-C
18
-alkylarylene with at least one alkylphosphonic acid of the formula (II)
in which
R
3
is H, C
1
-C
18
-alkyl, C
2
-C
18
-alkenyl, C
6
-C
18
-aryl and/or C
7
-C
18
-alkylaryl; a process for preparation thereof and use thereof.