Metal phthalocyanines as catalysts for curing phthalonitrile prepolymers

Bis-phthalonitrile resins are cured using ionic metal phthalocyanine accelerators. The ionic metal phthalocyanines are nontoxic and accelerate the cure rate of the resins without adversely affecting cured polymer strength. Di-Na, di-Li, Mg and Cd phthalocyanines in particular provide excellent cure...

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Bibliographische Detailangaben
Hauptverfasser:	WALTON, THEODORE R
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Bis-phthalonitrile resins are cured using ionic metal phthalocyanine accelerators. The ionic metal phthalocyanines are nontoxic and accelerate the cure rate of the resins without adversely affecting cured polymer strength. Di-Na, di-Li, Mg and Cd phthalocyanines in particular provide excellent cure acceleration. Also, the metal phthalocyanine can be made soluble in the resin by appropriate substitution of the aromatic rings, thus providing for homogenous polymerization.