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| Effect of silane coupling agent modified MCM-41 on the properties of epoxy resin/nanosized mesoporous MCM-41 composites |
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| 中国科学院金属研究所 |
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Cite this article:
. Effect of silane coupling agent modified MCM-41 on the properties of epoxy resin/nanosized mesoporous MCM-41 composites. Chin J Mater Res, 2005, 19(1): 94-101.
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Abstract A novel epoxyresin/MCM--41 nanocomposite modified by coupling agent was prepared
by solution blending. The influences of the amount of coupling agent and the
medium modification on the disperse properties and mechanical properties were
investigated. The results showed that the novel nanonetwork composite with the
monodisperse, nanosized mesoporous MCM--41 particle strenghened is prepared at
the suitable amount of coupling agent and the suitable medium.
--(CH$_{2}$)$_{3}$--NH$_{2}$ group of silane coupling agent not only gets into
the modified inner wall of mesoporous MCM--41,but also makes MCM--41 remain its
ordered pore structure. Because the chain of epoxy resin links with the inner
and outer of the modified MCM--41 through chemical bond, MCM--41 particle can
disperse evenly in the matrix. Compared with the matrix, the tensile strength
and the Young$^{\prime}$s modulus of the composites are improved by 69\% and 90\%,
respectively,
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Received: 17 March 2005
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