The influences of fiber feature and polymer melt index on mechanical properties of sugarcane fiber/polymer composites

Document Type

Article

Publication Date

12-15-2006

Abstract

The fiber characteristics (i.e., the fiber type, morphology, and dimension) and polymer melt flow index (MPI) significantly affected mechanical properties of sugarcane fiber/HDPE composites. The length and diameter of sugarcane fibers followed a lognormal distribution before and after compounding. The long fibers had a significant reduction in the dimension and aspect ratio during compounding. However, the short fibers had close values in these two properties before and after compounding. For the resultant sugarcane fiber/polymer composites, the HDPE resins with a low MFI value presented high tensile and impact strengths. Because of high sugar content, the pure rind fiber had a poor performance as filler in the HDPE resins with respect to the raw bagasse fiber and alkali-extracted bagasse fiber. On the other hand, the aspect ratio was proportional to the mechanical performance of the fibers in the HDPE resins. As a result, the fibers with a large aspect ratio and low sucrose content improved the strength properties of the resultant composites. © 2006 Wiley Periodicals, Inc.

Publication Source (Journal or Book title)

Journal of Applied Polymer Science

First Page

5607

Last Page

5619

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