Characterization of Modified Bagasse and Investigation Properties of Its Novel Composite

IF 1.4 4区 材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY
S. Riyajan, I. Intharit
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引用次数: 12

Abstract

Bagasse was modified with sodium hydroxide and silane, and the obtained three polymer composite types, namely natural fiber, sugarcane bagasse, and plaster were procured by the two-roll mill method. The characterization of the modified sugarcane bagasse was achieved with attenuated total reflection-Fourier transform infrared spectroscopy (ATR-FTIR), scanning electron microscopy (SEM), and atomic force microscopy (AFM). The results show that the presence of Si–CH3 group occurred on the bagasse surface after chemical modification. Adhesion force of cellulose changes after chemical treatment was observed from AFM. The optimum cure time (tc90) and torque of the natural fiber/plaster increased with increasing plaster loading in the composite. The modulus of the resulting composite increased with both plaster and bagasse but the tensile strength and elongation-at-break of the composite decreased as a function of plaster sugarcane bagasse. The polymer composite possesses the best properties at 5 part per hundred rubber (phr) bagasse loading and 30 phr plaster.
改性甘蔗渣的表征及其新型复合材料的性能研究
用氢氧化钠和硅烷对甘蔗渣进行改性,通过双辊磨法制备了天然纤维、甘蔗渣和石膏三种聚合物复合材料。利用衰减全反射-傅里叶变换红外光谱(ATR-FTIR)、扫描电镜(SEM)和原子力显微镜(AFM)对改性甘蔗渣进行了表征。结果表明,化学改性后的甘蔗渣表面出现了Si-CH3基团。用原子力显微镜观察了化学处理后纤维素附着力的变化。天然纤维/灰泥的最佳固化时间(tc90)和扭矩随复合材料中灰泥负荷的增加而增加。复合材料的模量随石膏和甘蔗渣的加入而增加,但复合材料的抗拉强度和断裂伸长率随石膏甘蔗渣的加入而降低。该聚合物复合材料在5 /百橡胶(phr)甘蔗渣负荷和30 /百石膏负荷下具有最佳性能。
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来源期刊
Journal of Elastomers and Plastics
Journal of Elastomers and Plastics 工程技术-材料科学:综合
CiteScore
3.30
自引率
5.90%
发文量
41
审稿时长
6 months
期刊介绍: The Journal of Elastomers and Plastics is a high quality peer-reviewed journal which publishes original research on the development and marketing of elastomers and plastics and the area in between where the characteristics of both extremes are apparent. The journal covers: advances in chemistry, processing, properties and applications; new information on thermoplastic elastomers, reinforced elastomers, natural rubbers, blends and alloys, and fillers and additives.
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