新型炭材料2011，Vol.26Issue(6)：465-469,5.
利用硝酸-27S制备高倍可膨胀石墨
Preparation of highly-expandable graphite using waste liquid propellants of nitric-27S as one of intercalating agents
摘要
Abstract
Highly-expandable graphite was prepared by chemical oxidization using flake graphite as the host material and waste liquid propellants of nitric-27S, potassium permanganate, sulfuric acid and acetic acid as guest compounds. Various factors influencing the volume expansion were studied, such as the amounts of potassium permanganate, nitric-27S and acetic acid. Optimum preparation conditions were obtained using orthogonal experimental design. The preparation of graphite intercalation compounds was confirmed by SEM and XRD. Results showed that the most expandable graphite with a expansion volume of 320 mL·g-1 was obtained at 40℃ for 90 min using flake graphite, potassium permanganate, nitric-27S, sulfuric acid and acetic acid in the following respective amounts: 1 g, 1 g, 1.25 mL, 1.25 mL and 2 mL. The amount of potassium permanganate is the most important factor affecting the expansion volume.关键词
硝酸-27S/正交实验/可膨胀石墨/制备Key words
Nitric-27S/Orthogonal test/Expandable graphite/Preparation分类
化学化工引用本文复制引用
陈雅萍,罗瑞盈,李舒艳,张剑,李辉,王煊军,张江松..利用硝酸-27S制备高倍可膨胀石墨[J].新型炭材料,2011,26(6):465-469,5.基金项目
国家自然科学基金(21071011). （21071011）
