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首页> 外文期刊>Journal of Applied Polymer Science >Effect of surface modification on the interface quality between hemp and linear medium-density polyethylene
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Effect of surface modification on the interface quality between hemp and linear medium-density polyethylene

机译：表面改性对大麻与线性中密度聚乙烯界面质量的影响

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摘要

In this work, hemp fibers (mercerized or not) were modified by a coupling agent (maleated polyethylene) to evaluate the level of interfacial improvement related to wettability or adhesion in LMDPE composites. To do so, different analyses in the solid (thermogravimetric analysis, dynamic mechanical analysis, and scanning electron microscopy) and melt (rheology) states were combined. From the results obtained, it can be shown that mercerization mostly controls the level of wettability (physical contact) of the fibers, while the addition of a coupling agent mostly controls interfacial adhesion (chemical interactions). These conclusions were obtained based on shifts in transition temperatures (T-g and T-a), as well as maxima in van Gurp- Palmen plots. Overall, the best properties were obtained when mercerization was combined with coupling agent addition under optimized processing conditions. (C) 2016 Wiley Periodicals, Inc.
机译：在这项工作中，用偶联剂（马来酸化聚乙烯）改性了大麻纤维（丝光或非丝光），以评估与LMDPE复合材料的润湿性或粘合性相关的界面改善水平。为此，将固态的不同分析（热重分析，动态力学分析和扫描电子显微镜）和熔融（流变）状态进行了组合。从获得的结果可以看出，丝光处理主要控制纤维的润湿性（物理接触）水平，而添加偶联剂则主要控制界面粘附性（化学相互作用）。这些结论是基于转变温度（T-g和T-a）的变化以及van Gurp-Palmen图中的最大值得出的。总体而言，在优化的加工条件下，将丝光处理与添加偶联剂结合使用可获得最佳性能。 （C）2016威利期刊公司

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