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Activated ammonium polyphosphate, a process for making it, and its uses



Activated ammonium polyphosphate, a process for making it, and its uses



Canadian Patent (1,195,808): 11



A process is described for making activated ammonium polyphosphate undergoing decomposition at an increased rate at temperatures of 300-600 degrees C. Ammonium polyphosphate with a mean chain length of ~ 100-1000, preferably 200-800, is reacted with an activator consisting of melamine and/or dicyandiamide or derivatives being thermally stable <~220 degrees C.

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Accession: 001292791

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