USA As Represented by Secretary of the Navy

James R Griffth

Jacques G O'Rear

A polphthalocyanine with the structure formula: ##STR1## prepared by mixing SnCl.sub.2.2H.sub.2 O with N, N'-bis(3,4-dicyanophenyecane diamide of which the structural formula is: ##STR2## heating the mixture to a temperature from about 175.degree. C. to about 185.degree. C. for about 15 to 20 minutes to form a resin; and curing the resin at a temperature from about 190.degree. C. to about 230.degree. C. The polyphthalocyanine is useful as an adhesive, as a matrix for glass or carbon-fiber reinforced composites, and as structural material.

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Riverdale, MD, United States of America

James R Griffth