以间苯二酚和甲醛为原料,无水碳酸为催化剂,在常压干燥条件下可成功制备出具有良好纳米网络结构的RF气凝胶.采用SEM、比表面测量仪及孔径分布仪(BET)等测试手段对其结构进行了表征与测试.结果表明,通过改变R/C可以实现有机气凝胶的颗粒直径及孔洞由纳米到微米级的连续调节.此外采用常压干燥法所得到的有机气凝胶样品具有321 ～632 kg/m3的低密度,其中密度为428 kg/m3的样品的比表面积为188 m2/g.
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