DYNAMIC MECHANICAL AND WATER ABSORPTION PROPERTIES OF MICROCRYSTALLINE CELLULOSE REINFORCED POLYPROPYLENE COMPOSITES: THE EFFECT OF UNCONVENTIONAL IRRADIATION ROUTE

被引：1
作者：
Samat, Noorasikin [1 ]
Lazim, Nurul Hakimah Mohd [1 ]
Halim, Zahurin [1 ]
机构：
[1] Int Islamic Univ Malaysia, Fac Engn, Dept Mfg & Mat, POB 10, Kuala Lumpur 50728, Malaysia
来源：
IIUM ENGINEERING JOURNAL | 2019年 / 20卷 / 02期
关键词：
polypropylene; cellulose; compatibilizer; electron beam irradiation; mechanical properties; ELECTRON-BEAM IRRADIATION; TENSILE PROPERTIES; THERMAL-PROPERTIES; COMPATIBILIZER;
D O I：
10.31436/iiumej.v20i2.1066
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The unconventional electron beam (EB) irradiation route in preparing microcrystalline cellulose (MCC) fiber reinforced recycled polypropylene (rPP) composites was studied. In this route, the rPP was first subjected to EB irradiation at various doses (10-50kGy) and was then used as a compatibilizer. Unirradiated and irradiated rPPs were blended at two different ratios (90:10; 50:50) and added with MCC at contents of 5, 20 and 40wt%. Dynamic mechanical analysis (DMA) and water absorption tests were carried out. The DMA spectra exhibited high stiffness and damping behaviour. As the content of MCC increased, the water resistance of composites dropped slightly as compared to the controlled rPP. However, some compositions (50:50/40MCC-10kGy and 50:50/5MCC-50kGy) had shown opposite results. The improvement in the studied properties proved the existence of the compatibility effect that occurred at low irradiation doses, and also depended on the ratio (unirradiated and irradiated rPP) and MCC contents.
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页码：188 / 196
页数：9
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