Low viscous p-phenylene diamine stabilizers

Details Low viscous p-phenylene diamine stabilizers Low viscous p-phenylene diamine stabilizers

1981-03-16

1982-11-23

Hoke, V. P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

252401, 564434, 260809, C08K 518, C07C 8758

Patent

active

043606210

ABSTRACT:
A normally liquid stabilizer for rubber or urethane resin, obtained by reacting hydroquinone with a mixture of aromatic amines of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3, independently of each other, are hydrogen or C.sub.1-18 alkyl, said aromatic amine mixture containing 7-26 weight % of p-ethylaniline and 8-40 weight % of 2,4-xylidine.

REFERENCES:
patent: 3271453 (1966-09-01), Csendes
patent: 3432460 (1969-03-01), Spacht
patent: 3637573 (1972-01-01), Mise et al.
patent: 3927099 (1975-12-01), Hollingshead
patent: 4256669 (1981-03-01), Benner et al.
patent: 4269763 (1981-05-01), Miller

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