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Preparation and characterization of epoxy composites filled with functionalized nano-sized MCM-41 particles

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Abstract

Mono-dispersed nano-sized MCM-41 (M (with template)) particles were synthesized by sol–gel reaction. The effect of interface modification on the properties of epoxy composites was investigated. Modifications were carried out either by substituting silanol groups on the surface or in the mesopore channels into amine (M-NH2), calcinating mixture template in the mesopore channels (M(without template)), or recalcinating them at higher temperature to remove silanol groups (–OH) in the mesopore channels or on the surface (CM). Transmission electron micrograph results showed that the dispersing of MCM-41 nanoparticles was not influenced by the modification, while –NH2 group indeed modified the mesopore channels or the surface of MCM-41 particle by using IR, XRD, and N2 adsorption–desorption. In addition, tensile tests suggested that M-NH2 nanoparticles could simultaneously provide epoxy matrix with strengthening and toughening effects. However, due to the different interfacial structures between the fillers and the matrix, the mechanical properties of the composites filled by M-NH2 were much better than those of composites filled by MCM-41 (without template), MCM-41 (with mixture template), and CM.

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Authors and Affiliations

  1. Education Department of LiaoNing Province, Key Laboratory of Applied Technology of Polymer Materials, Shenyang Institute of Chemical Technology, Shenyang, 110142, China

    Na Wang, Zhaoxin Shi, Jing Zhang & Hongwei Li

  2. Key Laboratory of Superlight Materials and Surface Technology, Harbin Engineering University, Ministry of Education, Nantong ST 145, Harbin, 150001, China

    Na Wang & Yawei Shao

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  1. Na Wang
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  2. Yawei Shao
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  3. Zhaoxin Shi
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  4. Jing Zhang
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  5. Hongwei Li
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Correspondence to Na Wang.

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Wang, N., Shao, Y., Shi, Z. et al. Preparation and characterization of epoxy composites filled with functionalized nano-sized MCM-41 particles. J Mater Sci 43, 3683–3688 (2008). https://doi.org/10.1007/s10853-008-2591-4

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  • DOI: https://doi.org/10.1007/s10853-008-2591-4

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