Submicron/nanofibres possess great potential for application in different areas because of their amazingly high surface area-to-weight ratio. The demand for fabrication of such fibres on a huge scale is increasing with the fast improvement of nanotechnology. Traditionally, nanofibre fabrication methods have intrinsic faults, limiting their application in industry. Solution blow spinning (SBS) is a viable option for producing adaptable and conformable submicron/nanofibre mats on a variety of surfaces. The technique can be employed to produce submicron/ nanofibres with only a simple commercial airbrush, a concentrated polymer solution, and a compressed gas source. It depends on the high velocity of decompressed air that allows the rapid stretching and evaporation of the solvent from a polymeric solution jet at the outlet of the concentric nozzles system. Along with recent advancements, the importance and drawbacks of the solution blow spinning system in comparison to other methods, such as electrospinning and melt blowing, are briefly discussed. Furthermore, the mechanisms of co-axial SBS spinning and micro SBS spinning system for submicron/nanofibre fabrication are also described. Drawbacks and research challenges of SBS are also addressed in this paper.
Ligno-cellulosic natural fiber like Banana can be acclimated to manufacture hybrid or union fabric with mostly used jute fiber which can get colossal popularity as a wearable product because of the health and hygiene issues. Banana fibers, extracted from the sheath, can be utilized for manufacturing fiber, can diminish the pressure on the jute fiber. It will be very frugal, and ineluctably it will be a great opportunity to blend it with the other natural fiber. In this study, a Jute-Banana hybrid fabric (JBHF) was developed by using Jute yarn (12 Ne, in warp) and Banana yarn (18 Ne, in weft). In order to evaluate physico-mechanical properties of naturally dyed Jute-Banana hybrid fabric, different tests like Stiffness, Thickness, Tensile strength, Tear strength, Drape and Crease recovery were conducted which provided satisfactory results. Colorfastness to wash, water, rubbing and perspiration of naturally dyed Jute-Banana hybrid fabrics (JBHF) also provided acceptable outcomes. FTIR test also provided the confirmation of this two fibers and Spectrophotometer was used to illustrate the dyeing quality. It was an endeavor to minimize the dependency on a single quality fiber and find an alternative way to prepare the hybrid fabric by blending two different quality natural fibers.
The study investigates the performance of chitosan and microorganism towards treatment of textile wastewater by using aeration & flocculation process. Chitosan is found from chitin by deacetylation. Flocculation and the process are done using Jar test experiment. The effect of dosage, reduction of COD, reduction of BOD and color of textile wastewater is studied. The results obtained found that chitosan is very effective for reduction of COD, BOD and color. The best condition for COD and BOD removal is achieved at 0.1-0.2g dosage, pH 4.17 and 30minutes of settling time. Under this condition, about 40% of COD and 43% of BOD is removed, respectively. However, the results obtained using microorganism also good. Microorganism is able to remove both COD and BOD of the wastewater but COD is slightly higher than the acceptable range.
Microfiber leather is a type of synthetic leather made up of a high-grade polyurethane resin and microfiber bundles that resemble the microscopic characteristics of natural leather. Microfiber has benefited from its smaller diameter, which is similar to that of real leather fibrils. Microfibers have received a lot of focus and are frequently employed in the synthetic leather basis, which is an important factor in regulating synthetic leather functionality. Microfiber synthetic leather has advantages over natural leather in terms of mechanical behavior, for example. However, there is a significant difference between natural leather and microfiber synthetic leather in terms of other aspects, such as hygiene issues. Microfiber synthetic leather, unlike natural leather, has inferior transmission and absorption qualities, making it feel hotter. As a result, there is a pressing need to improve the sanitary performance of superfine synthetic leather. Several studies have endeavored to improve the hygienic qualities of MSLB by modifying it in various ways. It is attempted to make a review on the different types of modifications in brief.
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