Phenolic antioxidants and stabilized organic compositions

Details Phenolic antioxidants and stabilized organic compositions Phenolic antioxidants and stabilized organic compositions

1990-12-11

1991-12-24

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

568744, C07C 3906, C08K 513

Patent

active

050753673

ABSTRACT:
The 2-alkyl-6-t-butyl-4-(pentamethylbenzyl)phenols in which the 2-alkyl group is t-butyl or methyl are novel compounds having melting points sufficiently low to make them attractive as antioxidants for low melting polymers such as polyethylene, polypropylene, and polystyrene.

REFERENCES:
patent: 2909504 (1959-10-01), Spacht
patent: 4342777 (1982-08-01), Jurd
patent: 4612642 (1986-09-01), Burton
patent: 4870214 (1989-09-01), Mina et al.

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