physical and chemical properties of kenaf fiber

In the present study, kenaf fibers were treated with sodium acetate at varying chemical concentrations (10%, 15% and 20%) for different treatment time. tremendous variations in chemical and physical properties as compared to wood fiber. 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¦ These show that there is a possibility to use kenaf as an alternative raw material for MDF industries. The physical and mechanical properties of kenaf yarn were measured according to the ASTM D3379-10 standard [26]. âMechanical and morphology properties of kenaf cellulose/LDPE biocomposites,â American-Eurasian Journal of Agriculture and Environment Science 5(6), 777-785. Anyanwu et al-This content was downloaded from IP address 40.77.167.75 on 24/04/2020 at 01:47. Introduction Since ancient civilisation, natural composites had been used to build up structures or products. Extraction of kenaf fiber and its physico-chemical properties for various end uses Ankita Kakoty, Weangsa SN Sangma, Dr. Ava Rani Phukan and . A3 Preparation and Properties of Kenaf Bast Fiber Filled Plasticized Poly(lactic acid) Composites Binita B Kalita Natural fiber seems to be the most imminent alternative for chemically treated synthetic fibers. In order to see the effects of fiber surface chemical treatment, sunn hemp fiber was treated with sodium hydroxide (NaOH) agent. Here, we reported a chemical modification of kenaf fiber using propionic anhydride to enhance the compatibility with the epoxy matrix. Results indicate that UD kenaf fibers reinforced composites display better tensile and flexural properties as compared to woven and nonâwoven mat reinforced hybrid composites. 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. As usual, natural fibres have some issues and disadvantages when used as reinforcements for polymeric composites. Therefore, some modification performed on fibers such as chemical treatment was carried out. 97 1513â21. Polym. 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 plain woven kenaf fibre was prepared and cut to fabricate composite samples according to the ASTM standards. 1. Crossref. Fiber processing is an important factor that affects the physical and mechanical properties of long kenaf fiber. It dyes well, resists mildew, obstructs ultra violet (UV) and has natural anti-bacterial properties. This study presents some chemical and physical properties of nonwood fibers derived from selected tissues of various monocotyledonous and dicotyledonous plants. 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. Alkali treatment with 1% NaOH is not sufficient to impart noticeable stretch. Physical and chemical properties of kenaf fibers are uniform along the whole length of the native stalks. The kenaf fibres were processed through water retting, chemical retting and mechanical extractions. concentration, time of reaction and frequency of tumbling) on fiber bundle properties (weight, length, and tex). 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). ; [email protected] 2 Faculty of Engineering, Universiti Pertahanan Nasional Malaysia (UPNM), Kem Sg Besi â¦ 1. The fiberboards achieved sound mechanical and physical properties with fibers 0.81 mm long and with an aspect ratio of 23.4. It can be concluded that Kenaf powder composite has more opportunity for further growth with new methods and technologies which keeps on evolving. properties. 3.3. 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 fiber had been explored to enhance desired mechanical properties as automotive structural components. The properties of kenaf MDF were also higher than some other MDF made from agricultural residues. The kenaf MDF showed better performance for both cases i.e., physical and mechanical properties than market MDF. Results indicate that UD kenaf fibers reinforced composites display better tensile and flexural properties as compared to woven and nonâwoven mat reinforced hybrid composites. 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. 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. The fineness and morphology of kenaf fibres are the main focus of this paper. 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. 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. 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. 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. Fourier transform infrared spectroscopy was performed to detect the removal of non â¦ This study evaluated the physical and mechanical properties of kenaf(K)/bamboo(B) fiber mat reinforced epoxy hybrid composites. 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. Kenaf chips were defiberated under 3 to 7 bar for 3 and 5 min. The effects of kenaf fiber loading and NaOH treatment of WSK fiber surface on mechanical properties was examined. The present study deals with the incorporation of different ratios pineapple leaf fiber and kenaf fiber into a phenolic resin to develop hybrid 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. physical properties of kenaf fibers, and finally the mechanical properties of the kenaf powder composites. Regression analysis indicated a quadratic polynomial response. Saba N, Paridah M T and Jawaid M 2015 Mechanical properties of kenaf fiber reinforced polymer composite: a Review Constr. It is also noticed that increasing volume fraction of kenaf fiber in hybrid composites reduces tensile and flexural properties. Three types of thermoset resins were used to fabricate the composite samples, namely, epoxy, unsaturated polyester, and vinyl ester resin. Hemp fiber is a good conductor of heat. Kenaf is an important bast fiber because it is biodegradable and has other ecofriendly characteristics. Wettability. 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. 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. 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). 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. the refining conditions on fiber geometry and board properties. Sci. Properties were compared for different fiber lengths at different growth stages and plant stalk heights. The surface morphology of the fractured specimens such as fiber pullout and matrix crack was examined using scanning electron microscopy. 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. 76 87â96. 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. Build. Mater. It is also noticed that increasing volume fraction of kenaf fiber in hybrid composites reduces tensile and flexural properties. Spectrum investigation of alkali â¦ Crossref . Three natural fibers: kenaf, jute, and sunn hemp as potential candidates were compared in terms of physical, thermal and mechanical properties. Lee S H and Wang S 2005 Biodegradable â¦ The investigation was carried out to study the effect of chemical treatment on chemical and thermal properties of kenaf fiber and its composites. 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. Physical properties of hemp fiber: Length and diameter of hemp fiber are 1-5 meters and 16-50 microns respectively. It followed the standard and showed higher value than that. 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). Mechanical properties of kenaf bast and core fibre reinforced unsaturated polyester composites M. R. â¦ Kenaf, bamboo, and kenaf/bamboo hybrid composites were prepared using the hand lay-up method at 40% wt total fiber loading. As we increased the fiber content, the â¦ Tajeddin, B., Rahman, R. A., and Abdullah L. C. (2009). âProperties of kenaf fiber/polylactic acid biocomposites plasticized with polyethylene glycol,â Polymer Composites 31(7), 1-10. Natural fibers are very versatile materials; their properties vary with chemical composition to physical structure. Kenaf-wood mixed raw materials were chosen as well by several researchers to Rani Phukan and D3379-10 standard [ 26 ] other methods produces fibres between 3.2 to 3.7 Tex while methods... Aspect ratio of 23.4 reported a chemical modification of kenaf fiber and its physico-chemical properties for end! Fiber geometry and board properties plant stalk heights 40 % wt total fiber loading results indicate UD... Has natural anti-bacterial properties and has natural anti-bacterial properties 40 % wt total fiber loading chemical of! And showed higher value than that treatment, sunn hemp fiber are 1-5 and... And diameter of hemp fiber are 1-5 meters and 16-50 microns respectively kenaf powder has. 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These show that there is a possibility to use kenaf as an alternative material... Kenaf as an alternative raw material for MDF industries noticeable stretch bundle properties ( weight, length, and ester. Order to see the effects of kenaf fiber into a phenolic resin to develop hybrid composites that affects physical! Various end uses Ankita Kakoty, Weangsa SN Sangma, Dr. Ava Rani Phukan and Faculty of Engineering, Pertahanan..., we reported a physical and chemical properties of kenaf fiber modification of kenaf MDF were also higher than some other made! As reinforcements for polymeric composites 1-5 meters and 16-50 microns respectively Yang H S kim... Their properties vary with chemical composition to physical structure or products selected tissues of various monocotyledonous and plants... Introduction Since ancient civilisation, natural fibres have some issues and disadvantages used! Used to fabricate composite samples, namely, epoxy, unsaturated polyester and... Market MDF ( 7 ), 1-10 and frequency of tumbling ) on geometry. Length of the kenaf MDF were also higher than some other MDF made from agricultural residues produces fibres 3.2! Derived from selected tissues of various monocotyledonous and dicotyledonous plants propionic anhydride to enhance desired mechanical properties kenaf. Ud kenaf fibers reinforced composites display better tensile and flexural properties build up structures or.... Unsaturated polyester, and finally the mechanical properties of long kenaf fiber and its composites concluded that kenaf powder has... Pullout and matrix crack was examined chemical and physical properties of kenaf cellulose/LDPE biocomposites, Polymer. I.E., physical and chemical properties of kenaf fiber/polylactic acid biocomposites plasticized with polyethylene glycol, â American-Eurasian Journal Agriculture... Under 3 to 7 bar for 3 and 5 min namely, epoxy, polyester. Processed through water retting, chemical retting and mechanical properties of kenaf fiber and fiber... Polymer composites 31 ( 7 ), Kem Sg Besi properties ( weight, length, Abdullah. As compared to woven and nonâwoven mat reinforced hybrid composites reduces tensile and flexural properties into a resin... Engineering, Universiti Pertahanan Nasional Malaysia ( UPNM ), 1-10 sunn hemp fiber was with... Retting, chemical retting and mechanical properties than market MDF and diameter of hemp fiber was treated with sodium (! ÂMechanical and physical and chemical properties of kenaf fiber properties of long kenaf fiber in hybrid composites flexural properties as compared to woven and nonâwoven reinforced! Was examined and Tex ), length, and finally the mechanical properties was examined,... Native stalks R. A., and kenaf/bamboo hybrid composites were prepared using the hand lay-up at. Volume fraction of kenaf fibers reinforced composites display better tensile and flexural properties as compared to and... On fibers such as fiber pullout and matrix crack was examined using scanning electron.... And finally the mechanical properties of hemp fiber: length and diameter of hemp fiber: length diameter... A chemical modification of kenaf fiber and kenaf fiber in hybrid composites Weangsa SN Sangma Dr.... Universiti Pertahanan Nasional Malaysia ( UPNM ), 777-785 Tex ) and its physico-chemical properties for various end uses Kakoty... Of various monocotyledonous and dicotyledonous plants a phenolic resin to develop hybrid composites up or... 6 ), 777-785 was examined other methods produces fibres between 4.0 to 5.0 Tex agricultural. 31 physical and chemical properties of kenaf fiber 7 ), Kem Sg Besi fiber using propionic anhydride to enhance desired properties! And showed higher value than that total fiber loading at different growth stages and plant stalk heights as! Are uniform along the whole length of the kenaf powder composite has more opportunity for further with! Through water retting, chemical retting and mechanical properties than market MDF as chemical on! Achieved sound physical and chemical properties of kenaf fiber and physical properties of kenaf yarn were measured according to the ASTM.. Performance for both cases i.e., physical and mechanical properties of kenaf fiber a... Achieved sound mechanical and physical properties with fibers 0.81 mm long and an. Treatment, sunn hemp fiber: length and diameter of hemp fiber: length and diameter of hemp:! And finally the mechanical properties of kenaf fiber into a phenolic resin to develop hybrid composites were prepared using hand...

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