Topic
SISAL
About: SISAL is a research topic. Over the lifetime, 1878 publications have been published within this topic receiving 55528 citations.
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TL;DR: In this paper, the effect of interface modification on the mechanical properties of polystyrene-sisal fiber composites was investigated by treatment of sisal fibers with benzoyl chloride, poly styrene maleic anhydride (PSMA), toluene diisocyanate (TDI), methyl triethoxy silane and triethoxyl octyl silane.
Abstract: The effect of interface modification on the mechanical (tensile, impact and flexural) properties of polystyrene-sisal fiber composites was investigated. The interface modification was performed by treatment of sisal fibers with benzoyl chloride, polystyrene maleic anhydride (PSMA), toluene diisocyanate (TDI), methyl triethoxy silane and triethoxy octyl silane. These interface modifications improve the compatibility of hydrophilic sisal fiber with a hydrophobic polystyrene matrix and change the tensile, impact and flexural properties of the composite, but to varying degrees depending on the fiber modification. The treated fibers were analyzed by spectroscopic techniques. Scanning electron microscopy was used to investigate the fiber surface, fiber pullout, and fiber-matrix interface.
49 citations
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TL;DR: In this article, the effect of the laccase-TEMPO system on the oxidation of sisal pulp fibers was investigated and the influence of process variables, including the Laccase and TEMPO doses, and reaction time, on various properties of the oxidized fibers and of handsheets made from them was assessed using a three-variable statistical plan.
49 citations
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TL;DR: In this paper, a method of blending natural-fiber with polypropylene to form a mat and then consolidated into a sheet by hot pressing was presented. But the results showed that the tensile and flexural modulus were positively influenced by fiber length.
Abstract: Natural fiber based composites have the potential to improve the mechanical properties of plastics while reducing the cost and weight. This study shows a practical method of blending natural-fiber with polypropylene to form a mat and then consolidated into a sheet by hot pressing. The natural fibers assessed were Pinus radiata and Eucalyptus regnan high temperature thermomechanical pulps and sisal (Agave sisalana) fibers. The tensile strength was shown to decrease with an increase in fiber content, while the tensile modulus was shown to increase. Tensile and flexural modulus were positively influenced by fiber length. The water performance tests of the sheets generally showed approximately 20% weight gain and approximately 3% thickness swell at 30% fiber content. The natural fiber surface chemical composition was determined by X-ray photoelectron spectroscopy and shown to be primarily covered with hydrophobic material such as lignin and extractives, while polypropylene was shown to be partially oxidized.
49 citations
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TL;DR: In this paper, the authors focus on the environmental performance of sisal fiber production by quantifying the greenhouse gas (GHG) emissions and energy use of producing sisal fibre in Tanzania and Brazil using life cycle assessment (LCA), based on region-specific inventory data.
49 citations
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TL;DR: In this article, the tensile, flexural and impact properties of the randomly oriented short sisal reinforced epoxy composite were examined. And the composites were prepared by hand lay-up method with various fibre length (5, 10, 15 and 20mm) but constant 30 weight percent of sisal fibre content.
48 citations