Modification of single-walled carbon nanotubes and its influence on the interfacial strength in polymeric composites

被引：13

作者：

Larsen, R. Mikael ^{[1
]}

机构：

[1] Univ Aalborg, Dept Mech Engn, DK-9220 Aalborg, Denmark

来源：

JOURNAL OF MATERIALS SCIENCE | 2009年 / 44卷 / 03期

关键词：

SENSORS;

D O I：

10.1007/s10853-008-3155-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Single-walled carbon nanotubes was purified and modified with dichlorocarbene, HNO3 or octadecylamine and incorporated in polymeric matrices of polycarbonate and epoxy. Exposing the composite material to a tensile strain and measuring the shift of the G'-band revealed that higher loads could be transferred to the HNO3-modified carbon nanotubes. Exfoliation was regarded as the main reason for the increased interfacial strength resulting in larger specific surface area and higher hydrostatic compressive stresses on the nanotube bundles.

引用

页码：799 / 807

页数：9

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