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Abstract: The choice of aesthetic properties as well as the functional properties of textile products is increased extensively day by day to the customers. That's why, new technology is developed in different areas of technical textiles to fulfill the satisfaction of customers. Nanotechnology is one of the most important areas, which is increasing significantly at the present time. Various types of high performance textiles are produced now a days by different finishing, coating or manufacturing technique of producing fibres or fabrics as well as nano sized (10-9m) particles are imposed on finished clothing. This nanoengineered textiles cover from the protective clothing, smart textiles , hygiene textiles, antiballistic or bullet proof vest or functionally finished clothing like water repellent or wrinkle resistance clothing.........
Keywords: Nanotechnology, nanofinish, functional textile, high performance clothing, smart textiles.
[1]. Y.W.H. Wong, C.W.M. Yuen, M.,Y.S. Leung, S.K.A. Ku and H.L.I. Lam, SELECTED APPLICATIONS OF NANOTECHNOLOGY IN TEXTILES,AUTEX Research Journal,6(1),2006,1-8. [2]. Dr. Chinta S.K.,Landage S.M. and Jain Swapnal, WATER REPELLENCY OF TEXTILES THROUGH NANOTECHNOLOGY, International Journal of Advanced Research in IT and Engineering,2(1),2013,36-57. [3]. Sabine Grebler, Myrtill Simko, Andre Gazso, Ulrich Fiedeler and Michael Nentwich,The Nano Trust Dossiers, Institute of Technology Assessment of the Austrain Academy of Sciences, No. 015en,2010,1-5. [4]. Mangala J., Nanotechnology: A New Route to High Performance Textile. Available: http://www.nasi.org.in/Nano/15 - Mangla Joshi.pdf [5]. Cramer DR, Ponomarenko AE, Laurent S and Burkett JCTR (2003) Method of applying Nano particles, U.S. Pat. No: 6,645,569.
Abstract: Pandanus Odorifer (PO) fibre species were treated with varied concentrations (2 - 20%) NaOH at room temperature for 1 h and physical properties were evaluated. Chemical composition of the treated fibres showed that hemicellulose was removed to a varied extent by mercerization. Tensile strength of the treated fibres, their moisture content, surface morphology (by Scanning electron microscope), crystallinity index by XRD analysis and thermal degradation (TGA) were analysed. The alkali treated fibres between 2 to 15% showed all round improvement in the properties as compared to with those of untreated raw fibres.
Keywords: Extraction, Hemicellulose, mercerization, Pandanus Odorifer, Retting.
[1]. Chowdhury, M. N. K., Beg, M. D. H., Khan, M. R., & Mina, M. F. Modification of oil palm empty fruit bunch fibres by nanoparticle impregnation and alkali treatment. Cellulose, 20(3), 2013, 1477–1490. [2]. Nourbakhsh, A., Ashori, A., & Kouhpayehzadeh, M. Giant Milkweed (Calotropis persica) Fibres -A Potential Reinforcement Agent for Thermoplastics Composites. Journal of Reinforced Plastics and Composites, 28(17), 2009, 2143–2149. [3]. Rajulu, A.V., Nadhan, A.V., & Devi, R.R. Properties of lingo-cellulosic bilayered vegetable fabric from ridge gourd. Journal of applied polymer science, 102(3), 2006, 2338–2342. [4]. John, M. J., & Anandjiwala, R. D. Recent developments in chemical modification and characterization of natural fibre-reinforced composites. Polymer Composites, 29(2), 2008, 187–207. [5]. Maheswari, C. U., Guduri, B. R., & Rajulu, A. V. Properties of lignocellulose tamarind fruit fibres. Journal of Applied Polymer Science, 110(4), 2008, 1986–1989.
Abstract: Now a day's plastic places a vital role in the field of automotives, which needs a good impact property at a reasonable cost. ABS and PLA materials has been mixed in an appropriate proportion of 90:10, 80:20, 70:30 (wt%) and a suitable compatibilizer i.e. glycerol, is also incorporated in to that mixture at a percentage of 2%. Then prepared the blend by melt blending using twin-screw extruder. After blending compatibility was investigated by DSC. The ABS-PLA blended materials were tested to find the mechanical, thermal and electrical properties...............
Keywords: ABS, PLA, Glycerol, Melt Blending, Mechanical & Electrical Properties, DSC.
[1]. Esmat Jalalvandi, Rohah Abd. Majid, Taravat Ghanbari, Processing, Morphological, Thermal and Absorption Behavior of PLA/Thermoplastic Starch/Montmorillonite Nanocomposites, World Academy of Science, Engineering and Technology, 2012, 72, 12-23. [2]. Fei feng, Lin ye, Structure and Property of Polylactide/Polyamide Blends, Journal of Macromolecular Science,Part B Physics, 2010, 49, 1117-1127 [3]. Sebnem Kemaloglu Dogan, Serap Gumus, Guralph ozcoc, Ayse Aytac,, Properties of modified ethylene terpolymer/poly (lactic acid) blends based films, 2013, 14, 1422-1431 [4]. Shulin sun, Mingyao Zhang, Huixuan Zhang, Xiumei Zhang, Polylactide toughening with epoxy-functionalized grafted acrylonitrile–butadiene–styrene particles, 2011, 122, 2992-2999. [5]. Yu Muhuo, Elwathig Hassan, You Wei, He Jiao, Dynamic Mechanical Properties and Thermal Stability of Poly(lactic acid) and Poly(butylene succinate) Blends Composites , Journal of fiber Bioengineering and Informatics 2013, 6, 85-94.
Abstract: Two compounds of stearoyl chitosan; degree of substitution (DS) 79% and DS 86%, were synthesized by using the starting material as chitosan and deacetylated chitosan respectively. Fourier transform infrared (FT-IR) and Nuclear Magnetic Resonance (1H NMR) spectroscopy were used to confirm the chemical structure of prepared products. The thermal stability of stearoyl chitosan decreased with increased DS while the DO (degree of order) increased with increased DS. The 2% (w/v) stearoyl chitosan (DS 86%) solutions displayed shear thinning behavior..............
Keywords: Acylation, deacetylation, rheology, stearoyl chitosan, thermal stability
[1] E.A. El-hefian, and A.H. Yahaya, Rheological study of chitosan and its blends: An overview. Maejo Internaional Journal of Science and Technology, 4(2), 2010, 210-220.
[2] P. Katugampola, and C. Winstead, Rheological behavior and thermal stability of palmitoyl chitosan varying the degree of substitution. International Journal of Pharmaceutical Science Invention, 3(11), 2014, 24-32.
[3] M.R. Radrigues, Synthesis and investigation of chitosan derivatives formed by reaction with acyl chlorides. Journal of Carbohydrate Chemistry, 24(1), 2005, 41-54.
[4] I. Aranaz, M. Mengibar, R. Harris, I. Panos, B. Miralles, N. Acosta, G. Galed, and A. Heras, Functional characterization of chitin and chitosan. Current Chemical Biology, 3(2), 2009, 203-230.
[5] R. Czechowska-Biskup, D. Jarosinska, B. Rokita, P. Ulanski, and J.M. Rosiak, Determination of degree of deacetylation of chitosan-comparison methods. Progress on Chemistry and Application of Chitin and its Derivatives, 17, 2012, 5-20..
Abstract: Cornhusk fibres were extracted with step-wise treatment using alkali, enzyme and bleach. The extracted fibres were analysed for various physico-chemical parameters. The alkali treatment was optimized with respect to concentration of sodium hydroxide, temperature and time of treatment. The extracted fibres as the fibres obtained in optimum conditions had strength and fineness as 1.59 g/denier and 130 denier respectively. The fibres after final bleaching treatment had bundle strength of 1.33 g/denier and fineness of 86 denier. Bleached cornhusk fibres were composed of 76% cellulose..............
Keywords: Alkali extraction, Cornhusk fibres, Enzyme treatment, Bleaching, Physio-chemical properties
[1]. Reddy, N., & Yang, Y. (2005). Long natural cellulosic fibers from cornhusks: structure and properties. AATCC Review, 5(7). [2]. Reddy, N., & Yang, Y. (2005). Properties and potential applications of natural cellulose fibers from cornhusks. Green Chemistry, 7(4), 190-195. [3]. Yılmaz, N. D. (2013). Effect of chemical extraction parameters on corn husk fibres characteristics. Indian Journal of Fibre & Textile Research, 38 (1), 29-34. [4]. Yılmaz, N. D., Çalışkan, E. ,&Yılmaz, K. (2014). Effect of xylanase enzyme on mechanical properties of fibres extracted from undried and dried corn husks. Indian Journal of Fibre & Textile Research, 39 (1), 60-64. [5]. Kaushik, V. K., Kumar, A., &Kalia, S. (2012). Effect of mercerization and benzoyl peroxide treatment on morphology, thermal stability and crystallinity of sisal fibers. International Journal of Textile Science, 1(6), 101-105.
