Antioxidant composition for stabilizing polyols

Details Antioxidant composition for stabilizing polyols Antioxidant composition for stabilizing polyols

1975-02-24

1977-02-08

Helfin, Bernard

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

536120, 260 25A, 260 4595G, 260 775SS, 252403, C07C 4112

Patent

active

040072304

ABSTRACT:
Synergistic antioxidant compositions consisting of certain hindered phenols such as 2,4-dimethyl-6-octyl phenol and 4,4'-bis (.alpha.,.alpha.-dimethylbenzyl) diphenyl amine are useful to stabilize polyether polyols against oxidative degradation and prevent scorch in polyurethane foams prepared from the polyether polyols.

REFERENCES:
patent: 2736709 (1956-02-01), Glickman et al.
patent: 2942033 (1960-06-01), Leis et al.
patent: 3146273 (1964-08-01), Orloff
patent: 3325547 (1967-06-01), Cour et al.
patent: 3388169 (1968-06-01), Hyre et al.
patent: 3637865 (1972-01-01), Haring

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