改性伊利石增强PVC复合材料的制备工艺和力学性能.pdfVIP

学兔兔 中国科技核心期刊 新癯建蟓 改牲伊利石增强PVC复合材料的 制备工艺和力学牲能 宋连根·，毛佩林1，杨良1，严荣2 (1．江西省建筑材料工业科学研究设计院，江西南昌 330000 2．东华理工大学，江西 南昌 330000) 摘要：采用熔融共混法将硅烷偶联剂表面改性后的伊利石粉填充聚氯乙烯(PVC)制备了Pvc／~利石复合材料，主要研究了不 同填充量对PVC／伊利石粉填充体系力学性能的影响，并与原PVC树脂力学性能进行了测试比较。结果表明，改性后的伊利石对硬 质PVC增韧的效果明显，当添加量为2份时冲击强度达到了最大值2．693 kJ／m：，与纯PVC相比提高了58．79％；当添加量为6份 时，软质PVC的拉伸强度达到最大值15．01 MPa，与纯PVC相比提高了30％。 关键词：聚氯乙烯；改性伊利石；复合材料；力学性能 中图分类号：TU528．042．2 文献标识码：A 文章编号：1001—702X(2014)07—0054—04 Preparation of modified illite reinforced PVC composites and its properties SONG liangen1,MA0 Peilin ，YANG Liang1，YAN Ro ， (1．Jiang Xi Building Materials Research＆ Design Institute，Nanchang 330000，Jiangxi，China； 2．East China Institute of Technology，Nanchang 330000，Jiangxi，China) Abstract：PVC／Illite composites were prepared by melt blending of polyvinyl chloride(PVC)which was filled with illite powder after surface modification with silane coupling agent．The main effectof the differentfilling amount to mechanical properties of PVC／illite filling system were tested and compared with mechanical properties of original PVC resin．The results show that，the toughening effect of modified illite on rigid PVC was obvious．When the filling amount of modified illite was 2 parts，the impact Strength reached the m~imum value 2．693 kJim2，increased by 58．79％ compared to pure PVC；When the filling amount of modified illite was 6 parts，soft PVC tensile strength reaches a m~im