2、领域中有广泛的应用前景。用插层复合的方法制备有机-无机纳米复合材料是近年来材料科学领域发展的热点,具有理论意义及应用前景.熔体插层是插层复合的一种重要复合方式,它可用传统的熔体共混技术制备纳米复合材料,方法简单,不需溶剂,易于工业化生产。本文简述了的特点,介绍了插层法制备的方法,展望了应用前景。关键词:蒙脱土,插层,纳米复合材料,不饱和聚酯 UP/MONTMORILLONITE NANOCOMPOSITESAbstractThe kinetics of isot
3、hermal crystallization of UP/montmorillonite nanocomposites with different content of montmorillonite prepared by melt intercalation process has been investigated by&nb
4、sp; is shown that the presence of nanometer montmorillonite particles displays a high propensity to nucleate UP crystallization,enhance the crystallization ra
5、te of UP,reduce the surface free energies of the developing crystals and improve the behavior of isothermal crystallization of UP dealt with the&nbs
6、p;Avrami and Hoffman crystallization process of UP is composed of two stages:the spherulite growth stage and the spherulite nucleation the increme
7、nt of the clay content in the UP/montmorillonite nanoconposites,the crystallization rate parameter k decreases and the surface free energy of theUP cryst
8、als increases;the spherulite growth stage would become the main stage of the crystallization process in place of&n