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首页> 外文期刊>Journal of Applied Polymer Science >Effect of nano-Mg(OH)(2) on the mechanical and flame-retarding properties of polypropylene composites
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Effect of nano-Mg(OH)(2) on the mechanical and flame-retarding properties of polypropylene composites

机译：纳米镁（OH）（2）对聚丙烯复合材料力学性能和阻燃性能的影响

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Nano-Mg(OH)(2) was synthesized with an in situ deposition technique, and its size was confirmed by X-ray diffraction. A polypropylene-Mg(OH)(2) composite was prepared by melt-extrusion processing. The addition of a small quantity of a nanofiller (up to 10 wt%) increased Young's modulus up to 433% with respect to the modulus of virgin polypropylene. The addition of up to 4 wt % Mg(OH)(2) produced the maximum increase, and a further decrease in the tensile strength was observed with an increase in the concentration of nano-Mg(OH)(2). Increases in the hardness and other properties were due to higher nucleation and the intercalation of polymer chains in the nanolayer galleries. The flame-retarding property was demonstrated by the rate of burning. The time required to burn the nanofilled composite was greater than the time required for virgin polypropylene. (C) 2004 Wiley Periodicals, Inc.
机译：用原位沉积技术合成了纳米镁（OH）（2），并通过X射线衍射确定了其尺寸。通过熔融挤出工艺制备聚丙烯-Mg（OH）（2）复合材料。相对于原始聚丙烯的模量，添加少量的纳米填料（最高10 wt％）使杨氏模量提高到433％。最多添加4 wt％的Mg（OH）（2）产生最大的增加，并且随着纳米Mg（OH）（2）浓度的增加，观察到拉伸强度进一步下降。硬度和其他性能的提高归因于较高的成核作用和纳米层通道中聚合物链的插入。阻燃性由燃烧速率证明。燃烧纳米填充复合物所需的时间大于纯聚丙烯的所需时间。 （C）2004年Wiley Periodicals，Inc.

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