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第 5 期 王松林，等: 改性水滑石对聚丙烯阻燃和力学性能的影响 ·819·

ITA-LDHs 提高了阻燃剂与基体材料的相容性，明显 石与其他阻燃剂复配后对聚丙烯性能的影响，从而
改善了阻燃 PP 的力学性能。其原因是，未改性 LDHs 更好地提高聚丙烯的阻燃性能及力学性能，扩大其
粒子表面存在的大量非架桥羟基，使其表面结构不 应用范围。
稳定，相互之间极易形成氢键而团聚形成二次粒子，
参考文献：
使粒子粒径变大，分散性差，与高分子材料相容性
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图 11 复合材料的拉伸强度
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Fig. 12 Bending strength test of composite materials exfoliated nanosheet/polyanion composite films and magneto-optical

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的水滑石阻燃剂 ITA-LDHs，并制备了 PP/ITA-LDHs
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（3）ITA-LDHs 提高了阻燃剂与基体材料的相
Chemical Reviews, 2012, 112(7): 4124-4155.
容性，减少了颗粒的团聚，明显改善了 PP 的拉伸强
度和弯曲强度。下一步研究的重点是考察改性水滑 （下转第 827 页）