青岛科技大学  English 
王兆波
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教授 硕士生导师  

教师拼音名称:wangzhaobo

学位:工学博士

职称:教授

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材料物理与化学

材料学

材料加工工程

材料科学与工程其他专业

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Enhanced exfoliation of montmorillonite prepared by hydrothermal method

关键字:Montmorillonite; Nanoparticle; Nylon-6; Nanocomposites

摘要:Organically modified montmorillonite (OMMT) nanoparticles were obtained by hydrothermal reaction and exfoliated nylon-6/montmorillonite nanocomposites were prepared by melt-compounding. The morphology of the OMMT nanoparticles was observed by field-emission scanning electron microscopy (FE-SEM). The exfoliated OMMT nanoparticles consisted of several parallel MMT layers and presented disordered and villiform morphology. Energy dispersive X-ray spectrometry (EDX) indicates that OMMT nanoparticles were dispersed uniformly in the nylon-6 matrix. Atomic force microscopy (AFM) shows that the OMMT nanoparticles in nanocomposites were dispersed in nanoscale and arranged along the injection direction. Mechanical tests show that, upon incorporation of only 2 wt.% OMMT, the impact strength of nylon-6 was greatly improved whereas other properties were only slightly improved. (c) 2008 Elsevier B.V. All rights reserved.

卷号:42

期号:1-2

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