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 article, short sisal fibers (SSF) were subjected to three different chemical treatments (alkaline, dicumyl peroxide, and silane) and the results showed that the surface treatment of the SSF improved the fiber dispersion within the EVA matrix.
Abstract: Natural fibers (NFs) are rich in cellulose and also they are a low cost, easily renewable source for polymer composites. However, the presence of impurities (waxes, lignin, etc.) and hydroxyl groups produce those NFs with less ability to reinforce polymeric matrices. Short sisal fibers (SSF) were subjected to three different chemical treatments (alkaline, dicumyl peroxide, and silane). Composites of ethylene vinyl acetate (EVA) and chemically modified SSF were prepared by mechanical mixing at the melt state of the polymer matrix (130°C) using a two roll mill. The influences of fiber content and chemical treatment on the mechanical properties of the composites were evaluated. The tensile strength increased for every such treated SSF-reinforced composite. There was also a noticeable increase in elastic modulus compared with the unfilled matrix. The elongation at break values decreased as the fiber content was increased. Moreover, it was observed that the surface treatment of the SSF improved the fiber dispersion within the EVA matrix. The thermal stability of SSF was analyzed by thermogravimetic analysis. Potentially, the recyclability of the composites might be promising due to the lower specific gravity of NF, accompanied by low cost, and with the added advantage of biodegradability. POLYM. ENG. SCI., 2013. © 2012 Society of Plastics Engineers
18 citations
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TL;DR: In this article, a novel hybrid composite is developed by adding redmud as the secondary reinforcing filler with banana/sisal and sisal/glass fiber reinforced polyester composites.
Abstract: A novel hybrid composite is developed by adding redmud as the secondary reinforcing filler with banana/sisal and sisal/glass fiber reinforced polyester composites. The composites are prepared by th...
18 citations
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01 Nov 2011TL;DR: In this article, powder material of natural fibers like Sisal (Agave sisalana), Banana (Musa sepientum) and Roselle (Hibiscus sabdariffa), Sisal and banana (hybrid),Roselle and banana and sisal composite at dry and wet conditions were studied, and the prediction of deflection of the Natural Fiber Reinforced Polymer (NFRP) composite and the values compared with the mathematical model of deformation of beams and ANSYS solution and found to be in good agreement.
Abstract: In this research, powder material of natural fibers like Sisal (Agave sisalana), Banana (Musa sepientum) and Roselle (Hibiscus sabdariffa), Sisal and banana (hybrid), Roselle and banana (hybrid) and Roselle and sisal (hybrid) are fabricated with bio epoxy resin using molding method. In this paper the optimum mixing of fiber and resin is achieved by using Taguchi method. In this work, flexural rigidity and hardness of Sisal and banana (hybrid), Roselle and banana (hybrid) and Roselle and sisal (hybrid) composite at dry and wet conditions were studied. In this, present work focuses on the prediction of deflection of the Natural Fiber Reinforced Polymer (NFRP) composite and the values compared with the mathematical model of deflection of beams and ANSYS solution and found to be in good agreement. In this work micro structure is scanned by the Scanning Electron Microscope. The objective of this research was an effort to utilize the advantages offered by renewable resources for the development of biocomposite materials based on biopolymers and natural fibers and in future this plate material externally coated by calcium phosphate and hydroxy apatite (hybrid) composite and it can be used for internal fixation and also external fixation on human body for fractured bone.
18 citations
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22 Feb 2019
TL;DR: In this article, the present status and future expectations of natural fiber reinforced composites in structural applications using sisal and jute fiber reinforced polymer composites as a case is reviewed.
Abstract: Natural fibers that are mainly from plants, animals and regenerated sources are degradable and environmentally friendly as they absorb carbon dioxide and release oxygen, they are cost effective when compare to the synthetic fibers. These materials mainly from plant are used initially for domestics’ purposes. They have recently been introduced to some industries, such as automotive, aircraft, marine and buildings, arising from their excellent mechanical, physical and chemical properties. The common natural fibers used for Natural Fiber Reinforced Polymer Composites (NFRPC) are, cotton, sisal, coir, jute, hemp, flax, banana, bamboo etc. Several researches and publications on natural fibers and its composite show that despite the properties of these fibers, their applications were limited to non-structural applications either for interior or exterior applications just for their environmental and low-cost benefit with less concern for their strength capabilities. Sisal and jute are fibers from vegetable and bast plants that had been proved to have exhibited excellent tensile and flexural properties (bast composite) and best impact properties (vegetable composite), were also restricted to non-structural applications only. This paper reviewed the present status and future expectations of natural fiber reinforced composites in structural applications using sisal and jute fiber reinforced polymer composites as a case.
18 citations
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TL;DR: In this paper, a facile strategy was proposed that combines continuous steam explosion (CSE) with periodate oxidation/borohydride reduction to modify sisal fibers, and the results indicated that CSE pretreatment was favorable for improving the modification efficiency and uniformity of sisal fiber.
18 citations