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Study on surface modification of graphite by coating Al(OH)3
Author(s): WANG Zhoufu, PANG Yehua, SUN Jialin, WANG Houzhi, HONG Yanruo
Pages: 266-
267,272
Year: 2002
Issue:
5
Journal: REFRACTORIES
Keyword: 石墨; 表面包覆; 改性; Al(OH)3; 异相成核法;
Abstract: 采用异相成核法在天然鳞片石墨水悬浮液中,使硫酸铝水解,在石墨表面包覆一层Al(OH)3对石墨进行表面改性处理.介绍了包覆条件对石墨表面改性的影响,对改性后的石墨进行了形貌观察、接触角测定、差热-热重分析.研究结果表明:在适当的条件下,可在石墨表面形成Al(OH)3包覆层,pH值为4.0时,包覆效果最好;包覆后石墨的抗氧化性及对水的润湿性均有所提高.
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