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Poly(methyl methacrylate)–nanoribbon nanocomposites with high thermal stability and improvement in the glass-transition temperature

Published online by Cambridge University Press:  31 January 2011

Yanyan Ding ,
Zhou Gui ,
Jixin Zhu ,
Zhengzhou Wang ,
Yuan Hu  and
Lei Song
Yanyan Ding
Affiliation:
State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230027, People’s Republic of China
Zhou Gui*
Affiliation:
State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230027, People’s Republic of China
Jixin Zhu
Affiliation:
State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230027, People’s Republic of China
Zhengzhou Wang
Affiliation:
State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230027, People’s Republic of China
Yuan Hu
Affiliation:
State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230027, People’s Republic of China
Lei Song
Affiliation:
State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230027, People’s Republic of China
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

A novel poly(methyl methacrylate) (PMMA) nanocomposite containing dispersed inorganic nanoribbons [ZnO–0.15Zn(CH3COO)2–0.85H2O] was prepared by free radical polymerization of methyl methacrylate in the acetone solution. Experimental results showed that inorganic nanoribbons were uniformly distributed in and bonded to the PMMA host matrix without macroscopic organic–inorganic phase separation. It was found that the thermal stability and glass-transition temperature of the nanocomposite films increased effectively with increasing inorganic content at low content and remained above 1 wt% inorganic content. These results suggest the network formation because of the strong interaction between the inorganic nanoribbons and the polymer matrix, which induces the mobility restriction of polymer chains. The characteristics of the one-dimensional inorganic nanoribbons we used here may play a key role in the formation of the “cross-link” networks and in the decision to lower the content of the inorganic nanoribbon additive.

Keywords

AdditivesCompositeNanostructure
Type
Articles
Information
Journal of Materials Research , Volume 22 , Issue 12 , December 2007 , pp. 3316 - 3323
Copyright
Copyright © Materials Research Society 2007

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References

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