OBJECTIVES To identify the potential natural fibers (Kapok). Keeping in this view the present study has been undertaken to develop a polymer matrix composite (epoxy matrix) and kapok fiber (Reinforcement) and to study its structural and electrical properties. Because of its economic value and its rapid growth the kapok tree can be found in all the tropical regions of the world. Figure 5.3: Schematic representations of (a) typical cellulose fiber, (b) kapok fiber, (c) plasma treatment, and (d) suggested mechanism of plasma reaction ... Table 7.3: Thermo-mechanical and mechanical properties of PEr/kapok composites. The fluff is actually buoyant; it was used in the designs for the first life jackets, that is, until synthetic foams came on the market. Kapok fiber corresponds to the seed hairs of the kapok tree (Ceiba pentandra), and is a typical cellulosic fiber with the features of thin cell wall, large lumen, low density and hydrophobicâoleophilic properties.As a type of renewable natural plant fiber, kapok fiber is abundant, biocompatible and biodegradable, and its full exploration and potential application have received â¦ J Text Res 26:4–6, Xiao H, Yu WD, Shi MW (2006) Study on the fine structure of the kapok fiber-The structure of cell walls and the sizes of fibrils (in Chinese). Kapok fiber has received increasing attention in recent years as an eco-friendly renewable material. in Textile Engineering FTIR showed that kapok fiber was found to be the most reactive followed by jute, sisal, and then hemp fiber. Expired - Lifetime Application number US829484A Inventor Sakayanagi Somei Indian J Fibre Text 28:147–149, Duan CT, Zhao N, Yu XL, Zhang XY, Xu J (2013) Chemically modified kapok fiber for fast adsorption of Pb, Fang C, Yan JJ, Wang FM (2012) Compressibility of kapok fibrous assemblies under wet and pressure treatment (in Chinese). Thermal insulator. Nature has given kapok numerous properties like its silky soft and dry touch of the fiber itself, antimoth and antimite properties as well as insulation properties comparable to down, and many others. Over 10 million scientific documents at your fingertips. J Donghua Univ 38:151–155, Han L (2010) Properties of kapok fiber and its application suggestion in spinning and weaving (in Chinese). Both C. gigantea fibre and kapok fibre exhibit a high degree of hollowness (80â90%), and no natural twist exists; there is a certain amount of lignin and hemicellulose in C. gigantea fibres; the crystallinity of C. gigantea fibres is 42.54%, and its crystallinity orientation index is 85.40%. Kapok is produced as part of the seed pod of the world's largest tree species, Ceiba pentandra. 3.1 Properties of kapok fibre (a) Absorbency of kapok The absorbency of the material is based on two factors the surface tension and the surface energy of the materials. Kapok Properties. 1977), while the other found that it comprises of 35% cellulose, 21.5% lignin, and 22% xylan; kapok fiber has 13% of acetyl groups on a weight basis (Hori et al. Properties: 1. Kapok is the most sustainable fibre in the market today, leaving no human footprint behind. The use of kapok fibre with polypropylene fibre for the development of sound absorptive nonwoven materials has been explored. The pods are harvested in the East and the trees are left standing. PROPERTIES OF KAPOK . Kapok fabric has met the basic requirements on apparel textiles, showing better performance than cotton fabric in some features such as: air permeability, durability, warmth retention, especially the warmth retention of plain-woven kapok fabric. In order to improve the utilization rate of kapok fiber, flame-retardant and sound-absorption composites were prepared by the hot pressing method with kapok fiber as the reinforced material, polyÎµ-caprolactone as the matrix material, and magnesium hydroxide as the flame retardant. But this synthetic material will present serious environmental issues due to their non-biodegradable characteristics. Notify me of follow-up comments by email. The kapokâs huge buttressed trunk tapers upward to an almost horizontal, spreading crown where large, compound leaves are made up of five to eight long, narrow leaflets. Kapok fiber is light, brittle, elastic, lustrous and white or pale yellow in color. During the research, the fiber surface was treated utilizing silane coupling agent (KH-550), and the surface microstructure was characterized by scanning electron microscope (SEM). 6. It is obtained from the seed hairs of kapok trees (Ceiba pentandra). Water has a high surface tension (72 dynes/cm) and Oil has Consequently, kapok fiber has excellent acoustical damping performance. light weight The hollow core makes kapok very light, up to 8 times lighter than cotton by volume. Native to W. Africa, Mexico, Central America and the Caribbean, kapok trees can grow to a height of 240 feet and a diameter of 10 feet. CF concrete is widely used for slabs and sewage pipes . The kapok tree served as a provider of shade in the middle of the âplazasâ in the villages and towns of Central America. Irritant to lungs and needs extra care during work. End Uses of Kapok Fiber: Mattress or Pillow stuffing. Fineness 0.4-0.7 denier 3. Kapok fibre exhibits high hydrophobic–oleophilic characteristics. The three most commonly studied fiber forms used to make cellulosic cement matrices are jute, hemp, and sisal. Static immobile air held in the large lumen region of kapok makes a better heat retention. Kapok is the most used common name for the tree and may also refer to the cotton-like fluff obtained from its seed pods. Mahedi Hasan Kapok fiber is a buoyancy material, combining kapok fiber with low melting fiber can improve the bouyancy charactheristic of kapok fiber â¦ J Donghua Univ 32(85–90):95, Xu GB, Liu W, Lou Y, Wang FM (2009) Analysis of the tensile property of kapok fiber (in Chinese). Lustrous, yellowish brown and made of a mix of lignin and cellulose. Cotton Text Technol 41:30–32, Zhang XY, Fu WY, Duan CT, Xiao H, Shi MW, Zhao N, Xu J (2013) Superhydrophobicity determines the buoyancy performance of kapok fiber aggregates. Water has a high surface tension (72 dynes/cm) and Oil has Save my name, email, and website in this browser for the next time I comment. We are grateful for the support of the National Natural Science Foundation of China (No. Text Res J 80:159–165, Sun XL, Xu GB, Wang FM (2011) The surface adsorption characteristics of kapok fiber (in Chinese). Textile Engineering College, Noakhali. Kapok is similar to cotton in that both fibres are found around the plant seeds, rather than extracted from the stem or leaves. While this fiber is called âsilk cottonâ, it doesnât share all the properties of cotton. Kapok fiber is a natural, inexpensive, hydrophobic–oleophilic agricultural product. It is considered to be a better alternative to the widely used synthetic materials. Kapok fiber is a buoyancy material, combining kapok fiber with low melting fiber can improve the bouyancy charactheristic of kapok fiber â¦ optimal pulping condition for kapok fiber, while the second part was about examining the effects of kapok pulp addition to commercial softwood and hardwood pulps on the properties of the resultant pulp and paper. Bio degradable, etc. Irritant to lungs and needs extra care during work. KAPOK FIBER . In its natural form, kapok fibre cannot be spun, because of the smoothness of the outer surface. 8-10 times lighter than cotton by volume. Kapok fiber possesses the features of thin cell wall, large lumen, low density, and hydrophobicâoleophilic properties. Advantages of Kapok Fiber: Light Weight. This research investigated about absorptive properties of non woven kapok fiber (SK) and its layered combination with tricot knitted fabric (TC) and double weave fabric (DWK). 22.214.171.124. These performances of the distribution of length and fineness, moisture regain, acid and alkali properties, and dyeing property were tested and compared for the kapok fiber, colored cotton fiber and white cotton fiber. https://www.slideshare.net/nornadiahsarbu/kapok, https://link-springer-com-443.webvpn.jnu.edu.cn/chapter/10.1007%2F978-3-319-07578-5_13, http://www.jwst.or.kr/past/xml_view.asp?a_key=3617586&n_key=4&v_key=46. Because of its excellent buoyancy. 3. 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Polym-Korea 31:512–517, Chung BY, Cho JY, Lee MH, Wi SG, Kim JH, Kim JS, Kang PH, Nho YC (2008) Adsorption of heavy metal ions onto chemically oxidized, Dauda BMD, Kolawole EG (2003) Processability of Nigerian kapok fibre. Cite as. KAPOK FIBER . Kapok fibrous assemblies with different bulk density, thickness, fiber length and orientation were manufactured, and their acoustical performances were evaluated by using an impedance tube instrument. Email: firstname.lastname@example.org. Kapok fibers on its own are not suitable for spinning into yarn. Determination of optimal pulping condition for kapok fiber Kapok fibers were separately pulped using 10, 15, 20, and 25% (w/w) NaOH, Your kapok will break down into little balls like woolly bolas after about a year. Then, the pulp was refined with two passes using a disc refiner and mixed with commercial hardwood pulp and/or softwood pulp at different blend ratios to make papers. 2. To this minimize environmental issues some oil spill remediation products have been developed for the cleanup and recovery of oil spills. optimal pulping condition for kapok fiber, while the second part was about examining the effects of kapok pulp addition to commercial softwood and hardwood pulps on the properties of the resultant pulp and paper. 7. Oil-Absorbing Materials: Over the production, storage, and transportation of oils are always possible risks of oil spillage. Kapok fiber belongs to a typical cellulosic fiber, which is obtained from the seed hairs of kapok trees (Ceiba pentandra). Due to kapok fiber has large lumen and thin cell walls, it increases the chance of friction between sound waves and fibers. Bailing and packing â¢ Kapok fibers are then packed in the form of bales and dispatched for further processing. In: 2nd International conference on advanced textile materials & manufacturing technology, Zhejiang Sci-Tech Univ, Hangzhou, Oct 20–24, Chen B, Xu GB (2012) Effect of ultrasonic treatment on the properties of kapok/cotton blended yarns (in Chinese). Kapok fibers are naturally resistant to moisture, so it is not suitable for life mushroom and bacteria can flourish. Kapok fiber is naturally hypoallergenic, meaning is as antimicrobial and resistant to mites. The lesser amount of cellulosic content (hydroxyl group) present on the wall of kapok makes it hydrophobic. Kapok fibres are made of a mix of lignin and cellulose giving kapok â¦ The kapok fibres, along with sisal and palm fibres, were already in use by the ancient Mayas. 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