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中文摘要：
用超分散包覆剂（YB-510）对竹粉的流动性能进行改善处理，与低密度聚乙烯（LDPE）熔融复合，注塑成型制备竹粉／LDPE复合材料；利用旋转流变仪研究添加剂对复合材料流变行为的影响。结果表明：添加助剂后复合体系比单纯竹粉／LDPE复合材料的线性黏弹性行为有更大的应变范围；复合体系的储存模量随温度的升高呈下降趋势，偶联剂的加入可降低体系的储存模量，而润滑剂及抗氧剂对其影响效果不是很显著；频率扫描表明，YB-510的加入可有效提高竹粉在基体中的分散均匀性，降低复合体系的黏度，使复合材料的加工性能得以改善。
英文摘要：
Bamboo flour was treated with scattered agent （YB-510） to improve its flow performance, and then it was composi- ted with low density polyethylene （LDPE） by injection to prepare bamboo flour/LDPE composite materials. The rotating rheo- meterwas used to study the influences of various additives on the rheological behavior of composite materials. The results showed that ： the composite system with additives had the greater strain range which belongs to linear viscoelastic behaviorcom- pared with pure bamboo flour/LDPE system, and the storage modulus of the composite system declined with the rise of tem- perature. The addition of coupling agent could reduce storage modulus of the system, but the effects of lubricant and antioxi- dant were not significant. Frequency sweep showed that YB-510 could effectively improve the uniform dispersion of bamboo flour in matrix, reduce the viscosity of the system, and improve the processing performance of composite material.
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Rheological properties, morphology, mechanical properties, electrical resistivity and EMI SE of cycl
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