ALPHA CRYSTALLINE MODIFICATION OF 2,2',2'-NITRILOTRIETHYL- -TRIS(3,3',5,5'-TETRA-TERT-BUTYL-1,1'-BIPHENYL-2,2'- -DIYL)PHOSPHITE, PROCESS FOR PREPARING SAID MODIFICATION, USE THEREOF, AND ITS COMPOUNDS WITH ORGANIC MATERIAL

摘要

This invention pertains to an alpha 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.