Development of New Flame Retardants with Smoke Suppression Effect.

概要

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One of the large causes of the death by fire is the smoke generated during combustion. Therefore, the safety basis requires both flame-retarded property and property of emission of light smoke to the materials used in building, such as wall paper made of PVC. The article studied the effect of two kinds of additives to soft PVC on the flame-retarded property and the amount of emission of smoke. The one is inorganic that improves the required property with addition of both zinc-substance and Sb203. The effects depend on the kind of plasticizer added. The addition of bis (2-ethyl) phthalate (DOP) and Tris (2-ethylhexyl) trimelliate (TOTM) decreases remarkably in the amount of smoke, but on the other hand bis (2-ethylhexyl) adipate (DOA) have no effect. The other is phosphate of which the length of alkyl chain effects the properties of PVC compound. The phosphate that has the length of twelve carbon chains is found to be materially balanced.
マテリアルライフ学会の論文