Plasma coating of carbon nanofibers for enhanced dispersion and interfacial bonding in polymer composites

被引：130

作者：

Shi, DL ^{[1
]}

Lian, J

He, P

Wang, LM

Xiao, F

Yang, L

Schulz, MJ

Mast, DB

机构：

[1] Univ Cincinnati, Dept Chem & Mat Engn, Cincinnati, OH 45221 USA

[2] Univ Michigan, Dept Nucl Engn & Radiol Sci, Ann Arbor, MI 48109 USA

[3] Univ Cincinnati, Dept Engn Mech, Cincinnati, OH 45221 USA

[4] Univ Cincinnati, Dept Phys, Cincinnati, OH 45221 USA

来源：

APPLIED PHYSICS LETTERS | 2003年 / 83卷 / 25期

关键词：

D O I：

10.1063/1.1636521

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Ultrathin films of polystyrene were deposited on the surfaces of carbon nanofibers using a plasma polymerization treatment. A small percent by weight of these surface-coated nanofibers were incorporated into polystyrene to form a polymer nanocomposite. The plasma coating greatly enhanced the dispersion of the nanofibers in the polymer matrix. High-resolution transmission-electron-microscopy (HRTEM) images revealed an extremely thin film of the polymer layer (similar to3 nm) at the interface between the nanofiber and matrix. Tensile test results showed considerably increased strength in the coated nanofiber composite while an adverse effect was observed in the uncoated composites; the former exhibited shear yielding due to enhanced interfacial bonding while the latter fractured in a brittle fashion. (C) 2003 American Institute of Physics.

引用

页码：5301 / 5303

页数：3

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