article·1997-01-01

Preparation of Sulfur-free and Expandable Graphite by Using Mixing Acid

Song Kemin, Liu Jinpeng

Abstract

Sulfur-free and expanable graphite was prepared by reacting of natural flake graphite with concentrated nitric arid and acetic acid using potassium permanganate as oxidant at 30℃. The best conditions of the preparation were screencd out. The method of Mass Spectrum was utilized to ailalyze the expandable graphite.
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Research context

OpenAlex topics: Fiber-reinforced polymer composites

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