TRICLINIC BETA CRYSTALLINE MODIFICATION OF 2,2',2''- -NITRILOTRIETHYL-TRIS(3,3',5,5'-TETRA-TERT.BUTYL-1,1'-BIPHENYL- -2,2'-DIYL)PHOSPHITE, PROCESS FOR ITS PREPARATION, ITS USE, AND ITS MIXTURES WITH ORGANIC MATERIAL

摘要

This invention pertains to a triclinic beta crystalline modification of 2,2',2''-nitrilo[triethyl-tris-(3,3',5,5'-tetra- -tert.butyl-1,1'-biphenyl-2,2'-diyl) phosphite], to a process for preparing said modification and the use thereof for stabilising organic materials against oxidative, thermal or light-induced degradation.