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镁铝碳酸根型LDH与聚氯乙烯的复合性能研究

, PP. 82-87

Keywords: LDH,聚氯乙烯,改性,复合材料

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Abstract:

研究了改性MgAl-CO2-3型层状双金属复合氢氧化物(LDH)对聚氯乙烯(PVC)的复合和热稳定效果。结果表明:复配型硅烷偶联剂、硅烷偶联剂和铝钛复合偶联剂改性的LDH比未改性LDH在PVC中分散得均匀,团聚度减小,而且所得复合材料的力学性能均有所提高。LDH/PVC复合材料比未加LDH的空白PVC静态热稳定性好,而改性LDH/PVC比未改性LDH/PVC热稳定性好。但随着LDH加入量增加,LDH/PVC复合材料的热稳定性会降低。

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