The Effect of Acrylic Acid on Tensile and Morphology Properties of Wollastonite Filled High Density Polyethylene/Natural Rubber Composites

Procedia Chemistry Pub Date : 2016-01-01 DOI:10.1016/j.proche.2016.03.030

I. Yuhaida , H. Salmah , I. Hanafi , Z. Firuz

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引用次数: 4

Abstract

Inorganic filler manufactured for incorporation into thermoplastic elastomers usually are surface treated with organic reagents in order to improve the interfacial adhesion between filler and the matrix. In the present paper, the effects of acrylic acid (AA) on tensile and morphology properties of wollastonite (WS) filled high density polyethylene (HDPE)/Natural Rubber (NR) composites were studied. The untreated and treated HDPE/NR/WS composites were melt-blending at 180 °C with rotor speed of 50 rpm for 10 minutes. The composites were tensile-tested according to ASTM D638 and the etched surfaces were observed using scanning electron microscope (SEM). Tensile strength and elongation at break of the compositesdecreased upon the addition of wollastonite, but Young's modulus improves. The results of this study showed that the treated composites are found to have better tensile properties than the untreated composites. The morphology of treated composite showed better interfacial interaction between HDPE/NR and wollastonite.

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丙烯酸对硅灰石填充高密度聚乙烯/天然橡胶复合材料拉伸性能和形貌的影响

用于掺入热塑性弹性体的无机填料通常用有机试剂进行表面处理，以改善填料与基体之间的界面附着力。研究了丙烯酸(AA)对硅灰石(WS)填充高密度聚乙烯(HDPE)/天然橡胶(NR)复合材料拉伸性能和形貌的影响。将未处理和处理过的HDPE/NR/WS复合材料在180℃、50 rpm转速下熔融共混10分钟。按照ASTM D638的要求对复合材料进行拉伸测试，并用扫描电镜观察其蚀刻表面。硅灰石的加入使复合材料的抗拉强度和断裂伸长率降低，但杨氏模量提高。结果表明，处理后的复合材料比未处理的复合材料具有更好的拉伸性能。处理后的复合材料形貌显示出HDPE/NR与硅灰石之间更好的界面相互作用。

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Procedia Chemistry

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