采用固相法、用自制的插层剂和偶联剂对粘土进行有机化插层改性制备出有机粘土;然后采用熔融插层法制备了聚氯乙烯(PVC)/有机粘土纳米复合材料.研究表明,偶联剂KH-560处理的有机粘土与PVC形成插层型纳米复合材料,偶联剂KH-550处理的有机粘土与PVC形成的则是剥离型纳米复合材料.PVC/有机粘土的拉伸强度和冲击强度都有显著提高;KH550处理的有机粘土对PVC的改性效果明显优于KH560处理的有机粘土的改性效果.
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