N,N'-bis(3,4-dicyanophenyl) alkanediamides

Details N,N'-bis(3,4-dicyanophenyl) alkanediamides N,N'-bis(3,4-dicyanophenyl) alkanediamides

1976-07-23

1977-11-01

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C12178

Patent

active

040565602

ABSTRACT:
N,N'-bis(3,4-dicyanophenyl) alkanediamides of the general formula: ##STR1## wherein R = (CH.sub.2).sub.n-2 and (CH.sub.2).sub.x CH(CH.sub.3)(CH.sub.sub.y ; n = 3 to 20; x = 1 to 8; and y = 1 to 8, prepared by reacting 4-aminophthalonitrile with a saturated aliphatic dicarboxylic acid halide. These dinitriles readily polymerize through heating by themselves or with a metal or with a salt to form polyphthalocyanine resins, of the infinite molecular weight type which are useful as coatings, laminates, adhesives, filament windings, and castings. The general formulas for these polyphthalocyanine resins are: ##STR2## wherein R = (CH.sub.2).sub.n-2 and (CH.sub.2).sub.x CH(CH.sub.3)(CH.sub.2).sub.y ; n = 3 to 20; x = 1 to 8; and y = 1 to 8.

REFERENCES:
patent: 3622596 (1971-11-01), Fischer et al.
patent: 3940410 (1976-02-01), Rittl

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