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: An overview of the various chemical treatments and mechanical characterisation of the natural fibre for utilising in fibre-reinforced polymer composites are reviewed in this article , where the authors consider chemical treatments as the potential method to improve the fibre properties and mechanical properties such as tensile, flexural, impact, hardness and water absorption.
Abstract: At the present scenario, fibre composites play a vital role in fabricating components or parts used in the area of automobile, sports equipment, aerospace and biomedical, etc. Composites reinforced with natural fibres (sisal, hemp, jute, bamboo, coir, flax, etc.) enhanced the chemical and mechanical properties. The use of synthetic fibres instead of natural fibres as an alternative reinforcement is a fascinating interest to researchers and scientists all over the world because of their admirable properties such as abundantly available, low cost, less density, high specific strength, and biodegradable characteristics. However, achieving good compatibility between reinforcement and matrix is challenging during the preparation of natural fibre composites. Hence, to overcome this issue, chemical treatments are considered as the potential method to improve the fibre properties and mechanical properties such as tensile, flexural, impact, hardness and water absorption. In this present study, an overview of the various chemical treatments and mechanical characterisation of the natural fibre for utilising in fibre-reinforced polymer composites are reviewed.
3 citations
TL;DR: Sisal (Agave sisalana ) merupakan tanaman mempunyai produk utama berupa serat alami dengan rendemen rata rata 5% as mentioned in this paper.
Abstract: Sisal ( Agave sisalana ) merupakan tanaman mempunyai produk utama berupa serat alami dengan rendemen rata – rata 5%. Limbah sisal mencapai hingga sekitar 95% biasanya terbuang dan dapat menjadi masalah lingkungan. Tujuan dari ulasan ini untuk menjelaskan potensi pemanfaatan limbah sisal. Produk samping yang sedang dikembangkan dapat meningkatkan nilai tambah limbah dekortikasi sisal. Dapat disimpulkan bahwa limbah dekortikasi sisal masih mengandung senyawa biokimia aktif yang berpotensi dimanfaatkan dalam berbagai bidang. Limbah dekortikasi sisal dalam bidang farmakologi bersifat sitotoksik, antineoplastik, antifungal, anthelmintik, pelembab dalam bahan kosmetik, dan saponin yang terdapat dalam limbah dapat bersifat antioksidan, antimikrobia, antikanker. Limbah sisal juga dapat dimanfaatkan sebagai bahan pakan dan biogas. Selain itu dalam bidang makanan dan minuman limbah sisal mengandung senyawa penstabil/pengemulsi dan bahan kemasan biodegradable .
3 citations
Patent•
15 Jul 2009
TL;DR: In this article, a method for preparing sisal short fiber used as construction materials is described, in which sisal leaves are cut into sisal fiber bundle sections by a first sisal leave cutting procedure; sisal bundles are heated and boiled in a 50-percent sodium hydroxide solution by a second short fiber alkalizing procedure to form sisal fibre; the sisal fibers are washed, dehydrated and dried to form dried sisal long fiber by a third sisal separation procedure; and the Sisal fiber is coated by a coating agent to be a coating s
Abstract: The invention provides a method for preparing sisal short fiber used as construction materials. Sisal leaves are cut into sisal fiber bundle sections by a first sisal leave cutting procedure; sisal short fiber bundles are heated and boiled in a 50-percent sodium hydroxide solution by a second short fiber alkalizing procedure to form sisal fiber; the sisal fiber is washed, dehydrated and dried to form dried sisal short fiber by a third sisal fiber separation procedure; and the sisal fiber is coated by a coating agent to be a coating sisal short fiber product in a coating tower by a fourth sisal fiber coating procedure. After the cutting, alkalizing separation and surface coating procedures, the sisal can be made into the special fiber product used as the construction materials, which has easy dispersion, alkali resistance and reinforcing function in concrete and is suitable to be used as the reinforcing material in the alkaline concrete, such as cement concrete, magnesite concrete and the like.
3 citations
Journal Article•
TL;DR: In this article, the mechanical properties of sisal leaves relevant to leaf harvesting and fibre extraction were determined, including bending resistance, friction coefficients, and mass distribution of leaves, for designing of leaf handling equipment.
Abstract: The mechanical properties of sisal leaf (A.sisalana) relevant to leaf harvesting and fibre extraction were determined. Measurements of leaf bending resistance, friction coefficients and mass distribution were made to get information for designing of leaf handling equipment. The leaf crosssectional area at 7 cm from butt-end was 11.65 cm. Fibre content of leave varied from 3.0 – 4.0 % of fresh green leaf weight. The mean fibre bundle strength was 32.31 g/tex and fibre fineness was 4.92. The coefficient of friction of sisal leaf was lowest on mild steel surface for tilting panel test (0.054) as well as for horizontal test surface (0.464).
3 citations
11 Jan 2019
TL;DR: In this article, a range of the curing temperatures were employed and its influence on the tensile, impact and free vibration properties of the sisal/polyester composite was found to vary with the changes in curing temperature.
Abstract: Room temperature curing of the polyester composites is time consuming and inferior in terms of the strength compared to the composites cured with the temperature. Hence, in this work, a range of the curing temperatures were employed and its influence on the tensile, impact and free vibration properties of the sisal/polyester composite. Composites are produced for the varying curing temperature ranges from 60°C to 100 °C in steps of 10 with hot compression molding process. Results indicate that the highest mechanical strength was recorded for the samples cured at 100° C. The free vibration properties such as natural frequency and damping factor were obtained from the impulse excitation technique. Both natural frequency and damping of the composites was found to vary with the changes in curing temperature.
3 citations