对膨胀石墨基炭/炭复合材料(EGCs)进行真空浸渍改性,研究了改性剂种类(双氧水、硝酸、氨基酸、氯化铵、CTAB),改性剂浓度、改性温度、改性时间对EGCs甲醛吸附性能的影响.结果表明:经CTAB溶液改性后,EGCs对甲醛气体的吸附性能得到提高,而经双氧水、硝酸、氨基酸、氯化铵等溶液改性的EGCs对甲醛气体的吸附能力反而下降;当CTAB浓度为0.01 mol·L-1、改性温度为70℃、改性时间为60 min时,改性后EGCs对甲醛的吸附效果最好,最大吸附量可达1 042mg·g-1.
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