酚醛树脂为前驱体制备多孔碳泡沫材料

功能材料, 2008, 39(1): 108-110.

酚醛树脂为前驱体制备多孔碳泡沫材料

刘明贤 ^1, , 甘礼华 ^2, , 吴方锐 ^3, , 徐子颉 ^4, , 郝志显 ^5, , 田辞 ^6, , 陈龙武 ^7,

1.同济大学,化学系,上海,200092

2.同济大学,化学系,上海,200092

3.同济大学,化学系,上海,200092

4.同济大学,化学系,上海,200092

5.同济大学,化学系,上海,200092

6.同济大学,化学系,上海,200092

7.同济大学,化学系,上海,200092

基金项目: 上海市纳米科技专项基金(0652nm030) 国家自然科学基金(20473057;20673076)

关键词：碳泡沫 , 多孔材料 , 制备 , 酚醛树脂 , 卸压速率

Preparation of porous carbon foams using phenolic resin as precursor

以液态酚醛树脂为前驱体,正戊烷为发泡剂,吐温80为匀泡剂,在高压釜中通过卸压发泡的方法制备了酚醛树脂泡沫,然后将其经1000℃碳化后得到碳泡沫.研究结果表明,所得的典型碳泡沫样品是一种以无定形碳结构为主的轻质多孔碳材料,密度约为0.15g/cm3.碳泡沫的微结构可以通过调节卸压速率而得到有效控制,当卸压速率为0.05MPa/min时,可以得到孔洞相互贯穿、平均孔径约为300μm且分布较为均匀、接点完好,韧带光滑的多孔碳泡沫.

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材料期刊网

酚醛树脂为前驱体制备多孔碳泡沫材料

Preparation of porous carbon foams using phenolic resin as precursor

参考文献