کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5207268 | 1382343 | 2008 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Mechanical properties of polypropylene/natural fiber composites: Comparison of wood fiber and cotton fiber
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
In this study, the mechanical properties of polypropylene (PP)/natural fiber composites were studied. For the natural fiber component of the composites, cotton fiber was compared with wood fiber. The effect of the melt index of PP on the mechanical properties of the composites was also investigated. In order to improve the poor interfacial interaction between the hydrophilic natural fibers and the hydrophobic matrix PP, maleic anhydride (MAH) grafted PP (PP-g-MAH) was used as a compatibilizer. The tensile strength of the PP/wood fiber composites decreases with increasing wt% of the wood fibers, whereas that of the PP/cotton fiber composites displays different behavior. With the addition of 10Â wt% cotton fiber, the tensile strength decreases, but with the addition of 20 and 30Â wt% cotton fiber it increases because of the entanglement of the cotton fibers. For the PP/wood fiber composites, the melt flow index (MI) of PP was also found to be a key factor governing the mechanical properties (tensile and flexural strengths). The use of PP-g-MAH was helpful to increase the tensile and flexural strengths of the PP/cotton fiber and PP/wood fiber composites, due to the increased interaction between the fiber and PP matrix.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Polymer Testing - Volume 27, Issue 7, October 2008, Pages 801-806
Journal: Polymer Testing - Volume 27, Issue 7, October 2008, Pages 801-806
نویسندگان
Sam-Jung Kim, Jin-Bok Moon, Gue-Hyun Kim, Chang-Sik Ha,