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