Exfoliation of graphite by dry ball milling with cellulose

被引：43
|
作者：
Sun, Peipei [1 ,2 ]
Kuga, Shigenori [1 ]
Wu, Min [1 ]
Huang, Yong [1 ]
机构：
[1] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
来源：
CELLULOSE | 2014年 / 21卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Cellulose; Graphite; Ball milling; Exfoliation; Electric conductivity; LIQUID-PHASE EXFOLIATION; GRAPHENE SHEETS; CARBON; NANOCOMPOSITES; OXIDE; STABILIZATION; COMPOSITES; DISPERSION; NANOSHEETS; REDUCTION;
D O I：
10.1007/s10570-014-0264-9
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
Dry ball milling of graphite with cellulose and related polysaccharides was found effective for exfoliation-dispersion of graphene-like carbon. The exfoliation behavior was found to depend strongly on the polymer species; namely, polysaccharides are much more effective than thermoplastic polymers. The compression-molded slabs from co-milled powder with cellulose and carboxymethylcellulose showed an electrical percolation threshold of 1.0 % (w/w) or lower. The carbon fraction isolated from milling with carboxymethylcellulose was water-dispersible, containing single-to few-layer graphenes. This method can provide facile and solventless graphene exfoliation and mechanical alloying with polymers.
引用
收藏
页码：2469 / 2478
页数：10
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