Tetrakis(2,6-di-t-butyl-4-substituted phenyl)4,4'-bisphenyl diph

Details Tetrakis(2,6-di-t-butyl-4-substituted phenyl)4,4'-bisphenyl diph Tetrakis(2,6-di-t-butyl-4-substituted phenyl)4,4'-bisphenyl diph

1983-10-20

1986-04-22

Sutto, Anton H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus esters

524101, 558 95, C07F 9141, C08K 552

Patent

active

045841462

ABSTRACT:
Tetrakis(2,6-di-t-butyl-4-substituted phenyl)4,4'-substitutedbisphenyl diphosphites that are prepared from a hindered phenol and a non-hindered bisphenol have been found to be excellent stabilizers for organic materials subject to degradation, and form even more effective combinations with hydroxyphenylalkyleneyl isocyanurates, substantially and synergistically enhancing the stabilizing efficiency of the isocyanurate.

REFERENCES:
patent: 3271481 (1966-09-01), Kujawa et al.
patent: 3531483 (1970-09-01), Gilles
patent: 4371646 (1983-02-01), Minagawa et al.
patent: 4371647 (1983-02-01), Minagawa et al.
patent: 4495320 (1985-01-01), Chasar

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