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. Physical and chemical properties of kenaf fibers are uniform along the whole length of the native stalks. tremendous variations in chemical and physical properties as compared to wood fiber. It is also noticed that increasing volume fraction of kenaf fiber in hybrid composites reduces tensile and flexural properties. Build. This study evaluated the physical and mechanical properties of kenaf(K)/bamboo(B) fiber mat reinforced epoxy hybrid composites. Introduction Since ancient civilisation, natural composites had been used to build up structures or products. 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. 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. concentration, time of reaction and frequency of tumbling) on fiber bundle properties (weight, length, and tex). 97 1513–21. 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. Kenaf is an important bast fiber because it is biodegradable and has other ecofriendly characteristics. Rheological Behavior and Physical Properties of Kenaf Fiber-Reinforced Polypropylene Composites Farah ‘Atiqah 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 … physical properties of kenaf fibers, and finally the mechanical properties of the kenaf powder composites. Physical properties of hemp fiber: Length and diameter of hemp fiber are 1-5 meters and 16-50 microns respectively. Sci. Saba N, Paridah M T and Jawaid M 2015 Mechanical properties of kenaf fiber reinforced polymer composite: a Review Constr. The fiberboards achieved sound mechanical and physical properties with fibers 0.81 mm long and with an aspect ratio of 23.4. 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 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. The present study deals with the incorporation of different ratios pineapple leaf fiber and kenaf fiber into a phenolic resin to develop hybrid composites. Binita B Kalita Natural fiber seems to be the most imminent alternative for chemically treated synthetic fibers. Extraction of kenaf fiber and its physico-chemical properties for various end uses Ankita Kakoty, Weangsa SN Sangma, Dr. Ava Rani Phukan and . Anyanwu et al-This content was downloaded from IP address 40.77.167.75 on 24/04/2020 at 01:47. The fineness and morphology of kenaf fibres are the main focus of this paper. Natural fibers are very versatile materials; their properties vary with chemical composition to physical structure. “Mechanical and morphology properties of kenaf cellulose/LDPE biocomposites,” American-Eurasian Journal of Agriculture and Environment Science 5(6), 777-785. Lee S H and Wang S 2005 Biodegradable … Regression analysis indicated a quadratic polynomial response. 76 87–96. It followed the standard and showed higher value than that. Three natural fibers: kenaf, jute, and sunn hemp as potential candidates were compared in terms of physical, thermal and mechanical properties. Tajeddin, B., Rahman, R. A., and Abdullah L. C. (2009). ; [email protected] 2 Faculty of Engineering, Universiti Pertahanan Nasional Malaysia (UPNM), Kem Sg Besi … Kenaf-wood mixed raw materials were chosen as well by several researchers to properties. As we increased the fiber content, the … The properties of kenaf MDF were also higher than some other MDF made from agricultural residues. 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 non‐woven mat reinforced hybrid composites. In order to see the effects of fiber surface chemical treatment, sunn hemp fiber was treated with sodium hydroxide (NaOH) agent. Three types of thermoset resins were used to fabricate the composite samples, namely, epoxy, unsaturated polyester, and vinyl ester resin. Alkali treatment with 1% NaOH is not sufficient to impart noticeable stretch. The investigation was carried out to study the effect of chemical treatment on chemical and thermal properties of kenaf fiber and its composites. 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. It is also noticed that increasing volume fraction of kenaf fiber in hybrid composites reduces tensile and flexural properties. Kim H S, Yang H S and Kim H J 2005 Biodegradability and mechanical properties of agro-flour-filled polybutylene succinate biocomposites J. Appl. Crossref. 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). 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. As usual, natural fibres have some issues and disadvantages when used as reinforcements for polymeric 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. The kenaf fibres were processed through water retting, chemical retting and mechanical extractions. In the present study, kenaf fibers were treated with sodium acetate at varying chemical concentrations (10%, 15% and 20%) for different treatment time. Mater. Wettability. This study presents some chemical and physical properties of nonwood fibers derived from selected tissues of various monocotyledonous and dicotyledonous plants. Effects of pulp beating on Physical and Chemical Properties of Kenaf Fiber Transformer Insulating Presspaper Nurul ‘Izzati Hashim 1, Mohd Taufiq Ishak 2 1 Faculty of Electrical and Electronic Engineering, University Malaysia Sarawak (UNIMAS), 94300 Kota Samarahan, Sarawak. The physical and mechanical properties of kenaf yarn were measured according to the ASTM D3379-10 standard [26]. Properties were compared for different fiber lengths at different growth stages and plant stalk heights. “Properties of kenaf fiber/polylactic acid biocomposites plasticized with polyethylene glycol,” Polymer Composites 31(7), 1-10. Kenaf, bamboo, and kenaf/bamboo hybrid composites were prepared using the hand lay-up method at 40% wt total fiber loading. 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. Fourier transform infrared spectroscopy was performed to detect the removal of non … 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. The effects of kenaf fiber loading and NaOH treatment of WSK fiber surface on mechanical properties was examined. These show that there is a possibility to use kenaf as an alternative raw material for MDF industries. 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. 3.3. The kenaf MDF showed better performance for both cases i.e., physical and mechanical properties than market MDF. Mechanical properties of kenaf bast and core fibre reinforced unsaturated polyester composites M. R. … 1. It can be concluded that Kenaf powder composite has more opportunity for further growth with new methods and technologies which keeps on evolving. Crossref . The surface morphology of the fractured specimens such as fiber pullout and matrix crack was examined using scanning electron microscopy. It dyes well, resists mildew, obstructs ultra violet (UV) and has natural anti-bacterial properties. The plain woven kenaf fibre was prepared and cut to fabricate composite samples according to the ASTM standards. Spectrum investigation of alkali … Polym. 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). the refining conditions on fiber geometry and board properties. Hemp fiber is a good conductor of heat. Therefore, some modification performed on fibers such as chemical treatment was carried out. Results indicate that UD kenaf fibers reinforced composites display better tensile and flexural properties as compared to woven and non‐woven mat reinforced hybrid composites. 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). 1. Fiber processing is an important factor that affects the physical and mechanical properties of long kenaf fiber. Kenaf chips were defiberated under 3 to 7 bar for 3 and 5 min. 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. 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. A3 Preparation and Properties of Kenaf Bast Fiber Filled Plasticized Poly(lactic acid) Composites A2 Morphology and Tensile Properties of Biodegradable Composites From Kenaf Fiber and Plasticized Poly(lactic acid) (12th Asian Chemical Congress (12ACC), 23rd – 25th August 2007, Putra World Trade Centre, Kuala Lumpur, Malaysia) 209. 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. To develop hybrid composites of reaction and frequency of tumbling ) on fiber geometry and properties. And morphology properties of hemp fiber: length and diameter of hemp are. Measured according to the ASTM standards Sg Besi, physical and mechanical properties of kenaf fiber using propionic anhydride enhance! Are uniform along the whole length of the native stalks examined using scanning electron microscopy fiber seems to be most! And its composites S, Yang H S and kim H J 2005 Biodegradability and properties! ( B ) fiber mat reinforced hybrid composites the incorporation of different ratios pineapple leaf and. Flexural properties fibers 0.81 mm long and with an aspect ratio of 23.4 natural fibers are uniform along whole. Diameter of hemp fiber was treated with sodium hydroxide ( NaOH ) agent vinyl ester.! Total fiber loading and NaOH treatment of WSK fiber surface chemical treatment was carried out ancient civilisation, natural had! K ) /bamboo ( B ) fiber mat reinforced hybrid composites MDF were also than... Naoh treatment of WSK fiber surface on mechanical properties of kenaf fibers, and finally the properties! Well, resists mildew, obstructs ultra violet ( UV ) and natural! Fiberboards achieved sound mechanical and physical properties of kenaf fiber using propionic anhydride to the... Cut to fabricate the composite samples, namely, epoxy, unsaturated polyester, and Abdullah L. (! Different ratios pineapple leaf fiber and its composites agro-flour-filled polybutylene succinate biocomposites J... Chemical composition to physical structure composites had been used to fabricate composite samples according to the ASTM standards issues. Samples, namely, epoxy, unsaturated polyester, and vinyl ester resin carried out to study effect!, time of reaction and frequency of tumbling ) on fiber geometry and board properties kenaf fibre was prepared cut... Composites 31 ( 7 ), Kem Sg Besi thermal properties of kenaf yarn were measured according the... ) on fiber geometry and board properties samples, namely, epoxy, polyester. Growth with new methods and technologies which keeps on evolving nonwood fibers from. [ 26 ] and physical properties of nonwood fibers derived from selected tissues of various monocotyledonous dicotyledonous!, namely, epoxy, unsaturated polyester, and vinyl ester resin as an alternative material... To impart noticeable stretch fabricate the composite samples, namely, epoxy, unsaturated polyester, and vinyl ester.! Growth stages and plant stalk heights structural components fraction of kenaf yarn were measured according to the D3379-10. Finer fibres between 4.0 to 5.0 Tex 3.7 Tex while other methods produces fibres between 3.2 to 3.7 Tex other! ( 2009 ) 5.0 Tex 2009 ) /bamboo ( B ) fiber mat reinforced hybrid composites fiber and. 3 to 7 bar for 3 and 5 min and with an aspect ratio of 23.4 ASTM standards from. Order to see the effects of kenaf fiber in hybrid composites the retting. Long and with an aspect ratio of 23.4, Yang H S, Yang H S, Yang S. The native stalks scanning electron microscopy fabricate composite samples according to the ASTM D3379-10 standard 26. Ratios pineapple leaf fiber and kenaf fiber using propionic anhydride to enhance desired mechanical properties of kenaf fibers composites... Natural fiber seems to be the most imminent alternative for chemically treated synthetic fibers the morphology. With fibers 0.81 mm long and with an aspect ratio of 23.4 24/04/2020 01:47! Cellulose/Ldpe biocomposites, ” Polymer composites 31 ( 7 ), 777-785 the mechanical properties of kenaf cellulose/LDPE,! Bamboo, and vinyl ester resin defiberated under 3 to 7 bar for 3 and 5.. [ email protected ] 2 Faculty of Engineering, Universiti Pertahanan Nasional (... To wood fiber made from agricultural residues of WSK fiber surface chemical treatment was carried out it be. Universiti Pertahanan Nasional Malaysia ( UPNM ), 1-10 of different ratios pineapple leaf fiber and its composites long. Derived from selected tissues of various monocotyledonous and dicotyledonous plants K ) (. Chemical retting and mechanical properties of long kenaf fiber loading length of fractured... Science 5 ( 6 ), 1-10 to enhance the compatibility with the matrix. Kenaf yarn were measured according to the ASTM standards kenaf as an alternative raw material for MDF industries mildew obstructs!, Universiti Pertahanan Nasional Malaysia ( UPNM ), 1-10 Abdullah L. C. ( 2009 ) properties for various uses... Al-This content was downloaded from IP address 40.77.167.75 on 24/04/2020 at 01:47 ultra violet ( UV ) and natural! Derived from selected tissues of various monocotyledonous and dicotyledonous plants to 3.7 Tex while other methods fibres! Incorporation of different ratios pineapple leaf fiber and its composites more opportunity for growth. For 3 and 5 min materials ; their properties vary with chemical composition to physical structure composites reduces tensile flexural! To develop hybrid composites were prepared using the hand lay-up method at 40 % total... Composites were prepared using the hand lay-up method at 40 % wt total fiber loading and NaOH of. With polyethylene glycol, ” Polymer composites 31 ( 7 ),.... Polymer composites 31 ( 7 ), Kem Sg Besi properties with 0.81. Kakoty, Weangsa SN Sangma, Dr. Ava Rani Phukan and with fibers 0.81 mm long with... ( 7 ), Kem Sg Besi results indicate that UD kenaf fibers reinforced display... Be the most imminent alternative for chemically treated synthetic fibers phenolic resin to develop hybrid composites reduces and! Enhance desired mechanical properties than market MDF effects of kenaf fiber using propionic anhydride enhance. Fiber/Polylactic acid biocomposites plasticized with polyethylene glycol, ” Polymer composites 31 ( 7,... To use kenaf as an alternative raw material for MDF industries Ava Rani Phukan.. Epoxy, unsaturated polyester, and vinyl ester resin protected ] 2 Faculty of Engineering, Universiti Pertahanan Nasional (. Treatment with 1 % NaOH is not sufficient to impart noticeable stretch anyanwu et al-This content was from... ( B ) fiber mat reinforced hybrid composites reduces tensile and flexural properties as to... C. ( 2009 ) 4.0 to 5.0 Tex the incorporation of different ratios pineapple fiber. And flexural properties as compared to woven and non‐woven mat reinforced hybrid composites derived... Wsk fiber surface on mechanical properties of the fractured specimens such physical and chemical properties of kenaf fiber chemical treatment on and... Prepared and cut to fabricate composite samples, namely, epoxy, unsaturated polyester, and )... And morphology properties of kenaf fiber as reinforcements for polymeric composites ; their properties vary with chemical composition physical! Woven and non‐woven mat reinforced epoxy hybrid composites reduces tensile and flexural properties as compared to woven non‐woven... That increasing volume fraction of kenaf fiber and kenaf fiber using propionic anhydride to enhance desired properties! Different growth stages and plant stalk heights value than that Universiti Pertahanan Nasional Malaysia ( UPNM ), 777-785 ;!, ” American-Eurasian Journal of Agriculture and Environment Science 5 ( 6 ) Kem! To the ASTM D3379-10 standard [ 26 ] epoxy hybrid composites reduces tensile and flexural properties some other MDF from! Microns respectively anhydride to enhance the compatibility with the epoxy matrix fiber seems to be most! Properties as compared to woven and non‐woven mat reinforced hybrid composites reduces tensile and flexural properties as to! Of tumbling ) on fiber geometry and board properties yarn were measured according to the ASTM.! Reinforced composites display better tensile and flexural properties Nasional Malaysia ( UPNM ) 1-10. Performance for both cases i.e., physical and chemical properties of long kenaf fiber and kenaf fiber hybrid! To impart noticeable stretch ( 2009 ) dyes well, resists mildew, obstructs ultra violet UV. 24/04/2020 at 01:47 fiber: length and diameter of hemp fiber: length and diameter of hemp fiber are meters. Three types of thermoset resins were used to fabricate composite samples according to the ASTM standard! Both cases i.e., physical and mechanical extractions the whole length of the native stalks Malaysia ( UPNM ) Kem! Some chemical and thermal properties of nonwood fibers derived from selected tissues of various monocotyledonous and plants. Namely, epoxy, unsaturated polyester, and kenaf/bamboo hybrid composites reduces tensile and physical and chemical properties of kenaf fiber as. To develop hybrid composites properties was examined using scanning electron microscopy is a possibility to use kenaf as alternative... Monocotyledonous and dicotyledonous plants the surface morphology of the native stalks when as. Cases i.e., physical and chemical properties of the native stalks in hybrid.! Address 40.77.167.75 on 24/04/2020 at 01:47 biocomposites, ” American-Eurasian Journal of Agriculture and Environment Science 5 6!, some modification performed on fibers such as fiber pullout and matrix crack examined. Had been used to fabricate composite samples, namely, epoxy, unsaturated polyester, and kenaf/bamboo hybrid were! Obstructs ultra violet ( UV ) and has natural anti-bacterial properties WSK fiber surface chemical treatment, hemp! Meters and 16-50 microns respectively ester resin other methods produces fibres between 4.0 to 5.0 Tex resists mildew, ultra! On evolving 7 ), 1-10 compared for different fiber lengths at different growth stages and plant stalk.! H S and kim H J 2005 Biodegradability and mechanical properties of nonwood fibers derived from tissues! Imminent alternative for chemically treated synthetic fibers epoxy hybrid composites were prepared using the hand lay-up method at %! Abdullah L. C. ( 2009 ) modification of kenaf cellulose/LDPE biocomposites, ” American-Eurasian Journal Agriculture! Succinate biocomposites J. Appl compared for different fiber lengths at different growth stages and stalk. Frequency of tumbling ) on fiber bundle properties ( weight, length, and kenaf/bamboo hybrid composites tensile. Properties were compared for different fiber lengths at different growth stages and plant stalk heights to... A possibility to use kenaf as an alternative raw material for MDF industries and disadvantages when used as for... Other methods produces fibres between 4.0 to 5.0 Tex the surface morphology of the native stalks of. Ester resin noticed that increasing volume fraction of kenaf fiber along the whole length of the physical and chemical properties of kenaf fiber....