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当前位置: 首页 > 文章 > 偶联剂对竹粉/LDPE复合材料动态流变性能的影响 西北农林科技大学学报(自然科学版) 2013 (5) 108-112
Position: Home > Articles > Effects of coupling agent on dynamic rheological properties of bamboo flour/LDPE composite Journal of Northwest A & F University(Natural Science Edition) 2013 (5) 108-112

偶联剂对竹粉/LDPE复合材料动态流变性能的影响

作  者：
徐建锋;曾春霞;杨文斌;XUJian-feng;ZENGChun-xia
单  位：
福建农林大学材料工程学院
关键词：
竹粉;复合材料;偶联剂;流变性能
摘  要：
【目的】分析3种偶联剂对竹粉/LDPE(聚乙烯塑料)复合材料相容性及分散性的影响,为偶联剂在竹塑复合材料加工中的应用提供参考。【方法】利用国家标准方法,分别测定加入MAPP、MAPE、YB-510 3种偶联剂后竹粉/LDPE复合材料的力学性能,通过HAAKE MARSⅢ旋转流变仪,分别测定3种复合材料的储存模量G′、损耗模量G″随应变、温度、频率的变化。【结果】竹粉/LDPE复合材料的储存模量G′、损耗模量G″均随着应变的增大而减小,储存模量G′还随温度的增大而减小,随频率的增大而增大;相同应变时,加入MAPE的复合体系的储存模量G′、损耗模量G″均最大,加入YB-510的体系次之,加入MAPP的体系最小;相同温度时,加入MAPP的复合体系的储存模量G′最小,总体上,加入YB-510体系的储存模量G′小于加入MAPE体系,但在165℃左右时相等;相同频率时,加入MAPE的复合体系的储存模量G′最大,加入MAPP的体系次之,加入YB-510的体系最小。【结论】3种偶联剂MAPP、MAPE、YB-510均能改善竹粉与低密度聚乙烯的相容性,但以MAPP的改善效果最好;而在增强体系均匀程度和改善加工性能方面,以YB-510的效果最好。
译  名：
Effects of coupling agent on dynamic rheological properties of bamboo flour/LDPE composite
作  者：
XU Jian-feng1,ZENG Chun-xia2,YANG Wen-bin1(1 Materials Engineering College,Fujian Agriculture and Forestry University,Fuzhou,Fujian 350002,China; 2 Fujian Hongyuan Group Co.Ltd,Quanzhou,Fujian 362000,China)
关键词：
bamboo flour;composite materials;coupling agent;rheological properties
摘  要：
【Objective】 The effects of three coupling agents on compatibility and dispersion of bamboo flour/LDPE composite were analyzed to improve the the application of coupling agents on processing bamboo/plastic composites.【Method】 Using the Chinese national standards,the mechanical properties of bamboo flour/LDPE composites with three coupling agents:MAPP,MAPE,and YB-510 were measured.Through HAAKE MARSⅢ rotational rheometer,the changes of storage modulus(G’) and loss modulus(G″) of bamboo flour/LDPE composites along with strain,temperature and frequency were measured as well.【Result】 The results showed that storage modulus(G’) and loss modulus(G″) of bamboo flour/LDPE composites reduced as the increase of strain,and storage modulus(G’) reduced as the increase of temperature,increased with the increasing of frequency.When the strain was constant,the storage modulus(G’) and loss modulus(G″) of composite with MAPE were the largest,followed by YB-510 and MAPP.When the temperature was constant,the storage modulus(G’) of composite with MAPP were the smallest.Generally,the storage modulus(G’) of composite with YB-510 were less than composite with MAPE,and they were identical when temperature was about 165 ℃.When the frequency was constant,the storage modulus(G’) of composite with MAPE were the largest,followed by MAPP and YB-510.【Conclusion】 All of three coupling agents improved the compatibility between bamboo flour and low density polyethylene,and MAPP was the best.But in terms of the uniformity of composites system,YB-510 was the best.

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