Properties of PMMA/Carbon nanotubes nanocomposites prepared by "grafting through" method

被引：45

作者：

Salami-Kalajahi, Mehdi ^{[1
]}

Haddadi-Asl, Vahid ^{[1
]}

Behboodi-Sadabad, Farid ^{[1
]}

Rahimi-Razin, Saeid ^{[1
]}

Roghani-Mamaqani, Hossein ^{[1
]}

机构：

[1] Amirkabir Univ Technol, Dept Polymer Engn & Color Technol, Tehran, Iran

来源：

POLYMER COMPOSITES | 2012年 / 33卷 / 02期

关键词：

MULTIWALLED CARBON NANOTUBES; TRANSFER RADICAL POLYMERIZATION; CHAIN-TRANSFER POLYMERIZATION; POLYSTYRENE NANOCOMPOSITE; SURFACE MODIFICATION; RAMAN-SPECTROSCOPY; BLOCK-COPOLYMERS; PLASMA TREATMENT; COMPOSITES; FUNCTIONALIZATION;

D O I：

10.1002/pc.22141

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

A number of batch polymerizations were performed to study the effect of multi-walled carbon nanotubes (MWCNTs) on the properties of PMMA/MWCNTs nanocomposites. To improve the dispersion of nanotubes in PMMA matrix, MWCNTs were functionalized with methacrylate groups via a four-step modification process and the modified nanoparticles were used to synthesize the nanocomposites. The prepared samples were characterized by Raman spectroscopy, thermogravimetric analysis, dynamic mechanical thermal analysis, differential scanning calorimetry, gel permeation chromatography, UVvisible, and TEM techniques. According to the results, modified nanotubes improved thermal and mechanical properties better than the pristine MWCNTs. The main improvement in the mechanical and thermophysical properties was achieved for the nanocomposite containing 0.5 wt% of MWCNTs. POLYM. COMPOS., 2012. (c) 2011 Society of Plastics Engineers

引用

页码：215 / 224

页数：10

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