【作者】 夏春； 龙文元； 周全； 李远才； 熊建明；

【Author】 XIA Chun LONG Wenyuan ZHOU Quan LI Yuancai XIONG Jianming (Material Science and Engineering College, Nanchang Institute of Aeronautical Technology, Nanchang, China; Material Science and Engineering College, Huazhong University of Science and Technology, Wuhan,China)

【机构】 南昌航空工业学院材料科学与工程学院； 华中科技大学材料科学与工程学院；

【摘要】 利用己内酰胺同时作为树脂和蒙脱土(MMT)的改性剂,通过一步插层聚合法制备了热塑性酚醛树脂／MMT纳米复合材料。结果表明,酚醛树脂能较好地插层于MMT的层间,所制备的纳米复合材料性能大为改善,当MMT加入量为4wt％左右时,覆膜砂常温抗拉强度提高了25％以上。更多还原

【Abstract】 Novolacs/montmorillonite nanocomposites were prepared by one-step intercalative polymerization, using caprolactam as the modification reagent of the resins and montmorillonite (MMT). The results showed that the resins could be easily intercalated into the MMT and the cold strength of the resin-coated sands was increased by beyond 25% as compared to the traditional resins, when the content of the MMT was about 4wt%.更多还原