Melt Blending In situ Enhances the Interaction between Polystyrene and Graphene through π-π Stacking

被引：196

作者：

Shen, Bin ^{[1
]}

Zhai, Wentao ^{[1
]}

Chen, Cao ^{[1
]}

Lu, Dingding ^{[1
]}

Wang, Jing ^{[1
]}

Zheng, Wenge ^{[1
]}

机构：

[1] Chinese Acad Sci, Ningbo Key Lab Polymer Mat, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China

来源：

ACS APPLIED MATERIALS & INTERFACES | 2011年 / 3卷 / 08期

基金：

中国国家自然科学基金;

关键词：

graphene; polystyrene; melt blending; interactions; pi-pi stacking; GRAPHITE-POLYPROPYLENE NANOCOMPOSITES; CARBON NANOTUBES; MECHANICAL-PROPERTIES; CLAY NANOCOMPOSITES; POLYMER BLENDS; COMPOSITES; NANOPLATELETS; EXFOLIATION; NANOSHEETS; SPECTRA;

D O I：

10.1021/am200612z

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The effect of melt blending on the interaction between graphene and polystyrene (PS) matrix has been investigated in this paper. The interaction between graphene and PS was significantly enhanced by melt blending, which led to an increased amount of PS-functional graphene (PSFG) exhibiting good solubility in some solvents. The PS chains on PSFG could effectively prevent the graphene sheets from aggregating and the prepared PS/PSFG composites exhibited a homogeneous dispersion and an improved electrical property. The mechanism of melt blending on this enhanced interaction was attributed to the formation pi-pi stacking during the melt blending. Moreover, the formation of chemical bonding during melt blending may have also enhanced the interaction.

引用

页码：3103 / 3109

页数：7

共 39 条

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