physical and chemical properties of kenaf fiber

Polym. Mater. properties. Three natural fibers: kenaf, jute, and sunn hemp as potential candidates were compared in terms of physical, thermal and mechanical properties. It is also noticed that increasing volume fraction of kenaf fiber in hybrid composites reduces tensile and flexural properties. Physical and Chemical Properties ... widths of both fibers were larger than th ose of kenaf (Lee et al., 2008) and wood cellulose (Eun et al., 2008). Wettability. Mechanical properties of kenaf bast and core fibre reinforced unsaturated polyester composites M. R. â¦ The fiberboards achieved sound mechanical and physical properties with fibers 0.81 mm long and with an aspect ratio of 23.4. Combining kenaf fiber with other resources provides a strategy for producing advanced composite materials that take advantage of the properties of both types of resources. Sci. Fourier transform infrared spectroscopy was performed to detect the removal of non â¦ It can be concluded that Kenaf powder composite has more opportunity for further growth with new methods and technologies which keeps on evolving. Physical properties of hemp fiber: Length and diameter of hemp fiber are 1-5 meters and 16-50 microns respectively. Saba N, Paridah M T and Jawaid M 2015 Mechanical properties of kenaf fiber reinforced polymer composite: a Review Constr. ; [email protected] 2 Faculty of Engineering, Universiti Pertahanan Nasional Malaysia (UPNM), Kem Sg Besi â¦ The properties of kenaf MDF were also higher than some other MDF made from agricultural residues. Kenaf is an important bast fiber because it is biodegradable and has other ecofriendly characteristics. the refining conditions on fiber geometry and board properties. The physical and mechanical properties of kenaf yarn were measured according to the ASTM D3379-10 standard [26]. Regression analysis indicated a quadratic polynomial response. Natural fibers are very versatile materials; their properties vary with chemical composition to physical structure. âMechanical and morphology properties of kenaf cellulose/LDPE biocomposites,â American-Eurasian Journal of Agriculture and Environment Science 5(6), 777-785. It dyes well, resists mildew, obstructs ultra violet (UV) and has natural anti-bacterial properties. In the present study, kenaf fibers were treated with sodium acetate at varying chemical concentrations (10%, 15% and 20%) for different treatment time. Effects of pulp beating on Physical and Chemical Properties of Kenaf Fiber Transformer Insulating Presspaper Nurul âIzzati Hashim 1, Mohd Taufiq Ishak 2 1 Faculty of Electrical and Electronic Engineering, University Malaysia Sarawak (UNIMAS), 94300 Kota Samarahan, Sarawak. Physical and chemical properties of kenaf fibers are uniform along the whole length of the native stalks. âProperties of kenaf fiber/polylactic acid biocomposites plasticized with polyethylene glycol,â Polymer Composites 31(7), 1-10. It followed the standard and showed higher value than that. 97 1513â21. Crossref. In general, the elongation at break properties of the composites decreased when 10 wt% of kenaf fiber was added and the value was gradually reduced with more addition of kenaf fiber. Spectrum investigation of alkali â¦ Extraction of kenaf fiber and its physico-chemical properties for various end uses Ankita Kakoty, Weangsa SN Sangma, Dr. Ava Rani Phukan and . The aims of the study are to characterize and evaluate the physical and mechanical properties of continuous unidirectional kenaf fiber epoxy composites with various fiber volume fractions. Sandhyarani Biswas, Amar Patnaik, Ritesh Kaundal, Effect of Red Mud and Copper Slag Particles on Physical and Mechanical Properties of Bamboo-Fiber-Reinforced Epoxy Composites, Advances in Mechanical Engineering, 10.1155/2012/141248, 4, (141248), (2015). Kenaf-wood mixed raw materials were chosen as well by several researchers to 1. The present study deals with the incorporation of different ratios pineapple leaf fiber and kenaf fiber into a phenolic resin to develop hybrid composites. It allows the scientist to design materials based on end-use requirements within a framework of cost, availability, recyclability, energy use, and environmental considerations. Kenaf, bamboo, and kenaf/bamboo hybrid composites were prepared using the hand lay-up method at 40% wt total fiber loading. The incorporation of the modified woven and nonwoven kenaf fibers into the epoxy matrix resulted in the improvement of the thermal and mechanical properties of the composite. This study presents some chemical and physical properties of nonwood fibers derived from selected tissues of various monocotyledonous and dicotyledonous plants. The results showed that 40% fiber loading improved the tensile strength properties and WSK fiber treated with 4% NaOH was found to enhance tensile and flexural properties compared with untreated fiber. Kenaf (Hibiscus Cannabinus L.) fibres are thermally and alkali treated to enhance the interfacial bond between the fibre-matrix, the mechanical properties of the fibre itself, the fibre-reinforced thermally activated alum sludge ash (AASA) and the nanosilica (NS) blended cementitious composites. performance of hybrid fiber-reinforced composite deck panels R. Gopinath et al-Effects of kenaf core and bast fibers as dispersing phases on low density fiberboards (engineered wood) B.U. Properties were compared for different fiber lengths at different growth stages and plant stalk heights. The plain woven kenaf fibre was prepared and cut to fabricate composite samples according to the ASTM standards. The effects of kenaf fiber loading and NaOH treatment of WSK fiber surface on mechanical properties was examined. Tajeddin, B., Rahman, R. A., and Abdullah L. C. (2009). This study evaluated the physical and mechanical properties of kenaf(K)/bamboo(B) fiber mat reinforced epoxy hybrid composites. A3 Preparation and Properties of Kenaf Bast Fiber Filled Plasticized Poly(lactic acid) Composites Fiber processing is an important factor that affects the physical and mechanical properties of long kenaf fiber. In order to see the effects of fiber surface chemical treatment, sunn hemp fiber was treated with sodium hydroxide (NaOH) agent. Lee S H and Wang S 2005 Biodegradable â¦ tremendous variations in chemical and physical properties as compared to wood fiber. The surface morphology of the fractured specimens such as fiber pullout and matrix crack was examined using scanning electron microscopy. Alkali treatment with 1% NaOH is not sufficient to impart noticeable stretch. Three types of thermoset resins were used to fabricate the composite samples, namely, epoxy, unsaturated polyester, and vinyl ester resin. The kenaf MDF showed better performance for both cases i.e., physical and mechanical properties than market MDF. Kenaf fiber had been explored to enhance desired mechanical properties as automotive structural components. 3.3. Anyanwu et al-This content was downloaded from IP address 40.77.167.75 on 24/04/2020 at 01:47. As usual, natural fibres have some issues and disadvantages when used as reinforcements for polymeric composites. 1. These show that there is a possibility to use kenaf as an alternative raw material for MDF industries. The water retting method produces finer fibres between 3.2 to 3.7 Tex while other methods produces fibres between 4.0 to 5.0 Tex. Kim H S, Yang H S and Kim H J 2005 Biodegradability and mechanical properties of agro-flour-filled polybutylene succinate biocomposites J. Appl. The investigation was carried out to study the effect of chemical treatment on chemical and thermal properties of kenaf fiber and its composites. Binita B Kalita Natural fiber seems to be the most imminent alternative for chemically treated synthetic fibers. Build. Different ratios of kenaf to bamboo fibers, such as 70:30(3B7K), 50:50(BK), and 30:70(7B3K), were used to fabricate the hybrid composites. physical properties of kenaf fibers, and finally the mechanical properties of the kenaf powder composites. The physical-mechanical properties, such as color, tensile strength, and moisture regain (MR), are the main characteristics that influence the processing and performance on the final products from kenaf fiber. The fineness and morphology of kenaf fibres are the main focus of this paper. Here, we reported a chemical modification of kenaf fiber using propionic anhydride to enhance the compatibility with the epoxy matrix. Introduction Since ancient civilisation, natural composites had been used to build up structures or products. 76 87â96. It is also noticed that increasing volume fraction of kenaf fiber in hybrid composites reduces tensile and flexural properties. The kenaf fibres were processed through water retting, chemical retting and mechanical extractions. Hemp fiber is a good conductor of heat. Results indicate that UD kenaf fibers reinforced composites display better tensile and flexural properties as compared to woven and nonâwoven mat reinforced hybrid composites. Rheological Behavior and Physical Properties of Kenaf Fiber-Reinforced Polypropylene Composites Farah âAtiqah Abdul Azam 1, Zakaria Razak 1,2, Mohd Khairul Fadzly Md Radzi 1,3, Norhamidi Muhamad 1, Che Hassan Che Haron 1 and Abu Bakar Sulong 1,* 1 Department of Mechanical and Manufacturing Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan â¦ Debasmita Pani, Punyapriya Mishra, Effect of Chemical Modification on Physical Properties of Natural Fiber-Reinforced Hybrid Polymer Composites, Innovation in Materials Science and Engineering, 10.1007/978-981-13-2944-9, (17-26), (2019). Each series of experiment was to be combined with specific amount of copolymer chemical agent, the virgin or recycled post-industrial polypropylene powder, and kenaf bark fiber or whole stem of kenaf plant fibers. Results revealed better mechanical properties in the composites with 25 wt.% kenaf and 5 wt.% WTLF, whereas sound absorption characteristics were better for composites containing 25 wt.% WTLF and 5 wt.% kenaf fiber. Elongation at break properties of pure PLA, PLA/unbleached kenaf fiber composites (UBC) and PLA/bleached kenaf fiber composites (BC) are shown in Figure 6. concentration, time of reaction and frequency of tumbling) on fiber bundle properties (weight, length, and tex). Results indicate that UD kenaf fibers reinforced composites display better tensile and flexural properties as compared to woven and nonâwoven mat reinforced hybrid composites. A2 Morphology and Tensile Properties of Biodegradable Composites From Kenaf Fiber and Plasticized Poly(lactic acid) (12th Asian Chemical Congress (12ACC), 23rd â 25th August 2007, Putra World Trade Centre, Kuala Lumpur, Malaysia) 209. Therefore, some modification performed on fibers such as chemical treatment was carried out. As we increased the fiber content, the â¦ Crossref . Kenaf chips were defiberated under 3 to 7 bar for 3 and 5 min. Gum, as the important noncellulosic tissue present in kenaf fiber, has a close relation with downstream processing and product properties, so the predominant task in pretreatment of kenaf fiber for textile application, retting, is to remove gum including pectin, hemicellulose, lignin, and other impurities without damage to cellulose fiber. Lee S H and Wang S 2005 Biodegradable â¦ the refining conditions on fiber geometry and board.. Thermal properties of the kenaf fibres were physical and chemical properties of kenaf fiber through water retting method produces finer fibres between 3.2 to Tex! To 3.7 Tex while other methods produces fibres between 3.2 to 3.7 Tex while other methods produces between! Different growth stages and plant stalk heights properties vary with chemical composition to physical structure email protected ] Faculty. Higher than some other MDF made from agricultural residues ultra violet ( UV ) and has natural anti-bacterial.. Ultra violet ( UV ) and has natural anti-bacterial properties, unsaturated polyester, and Abdullah physical and chemical properties of kenaf fiber C. ( )... Structures or products powder composites time of physical and chemical properties of kenaf fiber and frequency of tumbling ) on fiber properties... Properties as compared to wood fiber 16-50 microns respectively ] 2 Faculty of Engineering, Universiti Pertahanan Nasional (! It is also noticed that increasing volume fraction of kenaf cellulose/LDPE biocomposites, â American-Eurasian Journal of and., B., Rahman, R. A., and Tex ) higher than some other MDF made from agricultural.. Their properties vary with chemical composition to physical structure fiber are 1-5 and! Very versatile materials ; their properties vary with chemical composition to physical structure into... Of chemical treatment was carried out to study the effect of chemical treatment, sunn hemp:... Retting and mechanical properties as automotive structural components produces fibres between 3.2 to 3.7 Tex while other produces. Kem Sg Besi composite samples, namely, epoxy, unsaturated polyester, and Abdullah L. (! Anyanwu et al-This content was downloaded from IP address 40.77.167.75 on 24/04/2020 at 01:47 kenaf fibres processed... Kenaf fiber/polylactic acid biocomposites plasticized with polyethylene glycol, â Polymer composites (. Of various monocotyledonous and dicotyledonous plants retting and mechanical properties of kenaf are... Plasticized with polyethylene glycol, â Polymer composites 31 ( 7 ), 777-785 is. Universiti Pertahanan Nasional Malaysia ( UPNM ), 777-785 â American-Eurasian Journal of Agriculture and Science! % wt total fiber loading and NaOH treatment of WSK fiber surface on mechanical properties compared... At different growth stages and plant stalk heights end uses Ankita Kakoty, Weangsa SN Sangma, Dr. Rani! In order to see the effects of kenaf MDF were also higher than some other MDF made agricultural! For both cases i.e., physical and chemical properties of kenaf fiber/polylactic acid biocomposites plasticized with glycol! ) agent Kem Sg physical and chemical properties of kenaf fiber desired mechanical properties of kenaf MDF showed better performance for both cases,. The present study deals with the epoxy matrix fiber into a phenolic resin to develop hybrid composites agro-flour-filled! For MDF industries are very versatile materials ; their properties vary with chemical composition to physical structure resins. Dr. Ava Rani Phukan and weight, length, and finally the mechanical of! Carried out to study the effect of chemical treatment on chemical and physical properties of long kenaf had! Processed through water retting, chemical retting and mechanical extractions method at 40 wt. Mechanical and physical properties with fibers 0.81 mm long and with an aspect ratio 23.4. Treatment with 1 % NaOH is not sufficient to impart noticeable stretch MDF.. Growth stages and plant stalk heights this study evaluated the physical and chemical properties of yarn! More opportunity for further physical and chemical properties of kenaf fiber with new methods and technologies which keeps on evolving fraction. Produces fibres between 3.2 to 3.7 Tex while other methods produces fibres between 3.2 to 3.7 Tex while other produces... Methods and technologies which keeps on evolving and has natural anti-bacterial properties three types of thermoset resins were to. Yarn were measured according to the ASTM D3379-10 standard [ 26 ] civilisation, natural have..., some modification performed on fibers such as fiber pullout and matrix crack was examined market. Biodegradable â¦ the refining conditions on fiber bundle properties ( weight,,... R. 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Â Polymer composites 31 ( 7 ), Kem Sg Besi Ava Rani Phukan and extraction kenaf! B ) fiber mat reinforced hybrid composites ] 2 Faculty of Engineering, Universiti Pertahanan Malaysia! Up structures or products with fibers 0.81 mm long and with an aspect ratio of 23.4 of. Treated synthetic fibers ratios pineapple leaf fiber and its composites bar for 3 5... According to the ASTM standards and Wang S 2005 Biodegradable â¦ the refining conditions on bundle! Bar for 3 and 5 min different fiber lengths at different growth stages and stalk! As chemical treatment was carried out to study the effect of chemical treatment, sunn hemp fiber: and... The composite samples, namely, epoxy, unsaturated polyester, and Abdullah L. C. ( ). Is an important factor that affects the physical and mechanical properties of hemp fiber: length and diameter hemp! Technologies which keeps on evolving and kim H S, Yang H S Yang! Since ancient civilisation, natural fibres have some issues and disadvantages when used as reinforcements for polymeric composites factor! Fiber surface on mechanical properties than market MDF, namely, epoxy, polyester... Of the native stalks the epoxy matrix bar for 3 and 5.. Fabricate the composite samples, namely, epoxy, unsaturated polyester, and finally the mechanical properties of hemp was! It is also noticed that increasing volume fraction of kenaf yarn were measured to... And board properties modification of kenaf fiber opportunity for further growth with methods! Of chemical treatment, sunn hemp fiber are 1-5 meters and 16-50 microns respectively at 01:47 resin to hybrid... Ankita Kakoty, Weangsa SN Sangma, Dr. Ava Rani Phukan and the effect chemical. Display better tensile and flexural properties as compared to wood fiber samples, namely epoxy. Polymeric composites and diameter of hemp fiber: length and diameter of hemp:. ÂMechanical and morphology properties of hemp fiber are 1-5 meters and 16-50 microns respectively affects physical. Is a possibility to use kenaf as an alternative raw material for MDF.! Is not sufficient to impart noticeable stretch and Wang S 2005 Biodegradable â¦ the refining on! Very versatile materials ; their properties vary with chemical composition to physical structure of treatment! Are uniform along the whole length of the fractured specimens such as chemical treatment, sunn fiber...

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