Ortho-alkylated tolidines

Details Ortho-alkylated tolidines Ortho-alkylated tolidines

1993-05-04

1995-09-26

Seidleck, James J.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 52, 528 61, 528 68, 528 76, 528 80, 528 85, 521155, 521159, 521163, 25218212, 25218213, 564307, 564309, C08G 1810

Patent

active

054534780

ABSTRACT:
This invention relates to o-tolidines which have a tert-butyl substituent ortho to an amine group. These compositions are represented by the formula: ##STR1## where R.sub.1 =i-propyl, or t-butyl, and where R.sub.2 =hydrogen, i-propyl, or t-butyl.
The compositions are useful in the preparation of polyepoxide resins as well as polyurethanes, polyamides and polyimides.

REFERENCES:
patent: 2115884 (1938-04-01), Schollkopf
patent: 2762845 (1956-09-01), Stroh et al.
patent: 3275690 (1966-09-01), Stroh et al.
patent: 3428610 (1969-02-01), Klebert
patent: 4218543 (1980-08-01), Weber et al.
patent: 4351958 (1982-09-01), Takahato et al.
patent: 4446329 (1984-05-01), Waller
patent: 4482690 (1984-11-01), Orphanides
patent: 4740620 (1988-04-01), Dixon et al.
patent: 4745228 (1988-05-01), Burgoyne, Jr. et al.
patent: 4760184 (1988-07-01), Pierantozzi

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