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Preparation and tribological properties of poly(methyl methacrylate)/styrene/MWNTs copolymer nanocomposites

✍ Scribed by B. Dong; C. Wang; B. L. He; H. L. Li

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
295 KB
Volume
108
Category
Article
ISSN
0021-8995

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✦ Synopsis

Abstract

Poly(methyl methacrylate)/styrene/multi‐walled carbon nanotubes (PMMA/PS/MWNTs) copolymer nanocomposites with different contents have been prepared successfully by means of in situ polymerization method. The structure and the microhardness of PMMA/PS/MWNTs copolymer nanocomposites were characterized. The tribological behaviors of the copolymer nanocomposites were investigated by a friction and wear tester under dry conditions. The relative humidity of the air was about 50% Β± 10%. Comparing with pure PMMA/PS copolymer, the copolymer nanocomposites showed not only better wear resistance but also smaller friction coefficient. MWNTs could help the nanocomposites dramatically improve the wear resistance property. The mechanisms of the improvements on the tribological properties of the PMMA/PS/MWNTs copolymer nanocomposites were also discussed in detail. Β© 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2008

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## Abstract Poly(methyl methacrylate) (PMMA)–clay nanocomposite (PCN) materials were synthesized through __in situ__ intercalative polymerization. A cationic surfactant, [2(dimethylamino)ethyl]triphenylphosphonium bromide, was used as an intercalating agent with pristine Na^+^‐montmorillonite (MMT)