The relationship with iron oxide and Antimonous oxide

Submitted by News on Mon, 12/10/2018 - 07:15

The results of a study into the effects of a combination of basic iron(III) oxide and antimonous oxide on the flammability and smoke producing properties in a polymer blend of ABS (acrylonitrile-butadiene-styrene) and PVC (polyvinyl chloride) indicate that both oxides act together to increase the polymer's resistance to ignition and burning.

At the same time we have observed that the metal oxides are synergistic in reducing the amount of smoke produced when the polymer is thermally decomposed. Iron(III) oxide itself is active in increasing char formation during combustion of the polymer blend but the mechanism by which antimonous oxide reduces smoke is still unclear.

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