Abstract

Coking during combustion of epoxide composites has been studied by X-ray spectral analysis, using the electronic microprobe, Syperprobe JXA-733 and other methods. Prosphorus-containing compounds incorporated into flameproof viscoe fibre were shown not to migrate into the binder. The decrease in the combustibility of the composites occurred due to formation of a special coke structure on the surface, preventing polymer combustion. The composition of products in the coke surface indicates the participation of oxygen in the polymer decomposition reactions on the surface during combustion.

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