2010•Gaofenzi cailiao kexue yu gongchengRequires access
Preparation and Characterization of MC Nylon Montmorillonite Nanocomposites
Cui Cong
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Abstract
Montmorillonite was dispersed in water by stirring and ultrasonic vibration, and then treated with silane coupling agent KH550. It analysed the structure and properties of treated montmorillonite and MC nylon montmorillonite nanocomposites which were prepared by anionic polymerization of caprolactam. The results show the use of ultrasonic vibration is favorable to the dispersion of montmorillonite and the silane coupling agent had been grafted to the nano-fibred crystal of montmorillonite. The caprolactam is polymerized in the interlayer of montmorillonites to form nanocomposites. The silicate layers of montmorillonites dispersed in nylon 6 matrix can increase the mechanical properties of nanocomposites. The optimum comprehensive mechanical properties can be achieved in case of the composite containing 3% montmorillonite.