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选用硅烷偶联剂对云母进行表面改性,以改善其在尼龙6中的分散性。利用热失重分析仪(TG)表征了尼龙6/云母复合材料的热性能,研究了表面改性条件对尼龙6/云母复合材料力学性能的影响。结果表明:在硅烷偶联剂用量为2.5%,表面改性时间为30 min,表面改性温度为85℃的条件下,尼龙6/云母复合材料的综合力学性能较好;云母的表面改性有助于提高尼龙6/云母复合材料的热稳定性。
The use of silane coupling agent mica surface modification to improve its dispersion in nylon 6. The thermal properties of nylon 6 / mica composite were characterized by TG, and the effect of surface modification on the mechanical properties of nylon 6 / mica composite was studied. The results show that the mechanical properties of nylon 6 / mica composite are better under the conditions of 2.5% silane coupling agent, 30 min surface modification time and 85 ℃ surface modification temperature. The surface modification of mica Help to improve the thermal stability of nylon 6 / mica composite.