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Study on Carbon Fiber Surface Characteristics and Its Dispersion in Water
Author(s): 
Pages: 15-18
Year: Issue:  5
Journal: CHINA PULP & PAPER

Keyword:  碳纤维表面基团表面电荷分散分散剂;
Abstract: 对碳纤维的表面形貌、表面基团和表面电荷进行了分析,并就碳纤维长度、分散条件、分散剂种类和用量对碳纤维在水中分散性的影响进行了研究.结果表明,所用碳纤维表面粗糙,带有羟基、羰基等活性基团,表面负电荷密度约为20.3μmol/g;搅拌器打散碳纤维能提高其在水中的分散性,搅拌器内理想的浆液浓度为0.07%;加入APAM分散剂能改善分散,APAM适宜添加量为0.6%~0.8%.
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