Journal
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
Volume 52, Issue 5, Pages 446-451Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/03602559.2012.748804
Keywords
Alkali treatment; Mechanical properties; Water hyacinth fibers
Categories
Funding
- Higher Education Ministry of National Education, Indonesia [136/UN.16/PL/KLNPI/2012]
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Characteristic of local water hyacinth (WH) fibers and composites that consist of mixing WH fibers and unsaturated polyester (UPR) were studied. Composites mixed with the WH fibers treated in different alkali concentration for 1h soaking time were tested by tensile and flexure machine and their fracture surface was observed by using scanning electron microscope (SEM). The results show that 7% NaOH, 1h, treated WH fibers provided better mechanical properties on UPR matrix composites in comparison with other alkali concentrations. From SEM observation, some untreated WH fibers pulled out from their matrix were observed clearly in fracture surface of composites. The high alkali concentration created damage of cellulosic structure, thus decreasing of mechanical properties of the composites.
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