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用钛酸酯偶联剂改性核桃壳粉,与废白土、低密度聚乙烯制备复合材料,研究废白土用量对复合材料力学性能及加工流动性能的影响,并用扫描电镜观察核桃壳粉及复合材料表面微观形态。结果表明:随着废白土用量的增加,复合材料的力学性能、熔体指数呈先升后降趋势;核桃壳粉、废白土与低密度聚乙烯树脂的界面结合情况会影响复合材料的力学性能。
Walnut shell powder modified by titanate coupling agent and waste white clay and low density polyethylene to study the effect of waste white clay dosage on the mechanical properties and processing flowability of the composites. Scanning electron microscopy was used to observe the effects of walnut shell powder and composite Material surface microstructure. The results show that the mechanical properties and melt index of the composites increase first and then decrease with the increase of the dosage of waste white clay. The interfacial bonding between walnut shell powder, waste clay and low density polyethylene resin will affect the mechanical properties of composites .