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Debnath S.,National Institute of Research on Jute and Allied Fibre Technology ICAR | Madhusoothanan M.,Anna University
Journal of Industrial Textiles | Year: 2010

The effect of fabric weight, needling density, and blend proportion of jute and polypropylene fibers on water absorbency, fabric thickness, and fabric density has been studied. Box and Behnken experimental design has been used for preparation of needle-punched nonwoven fabric samples. Cluster analysis has been used to study the grouping behavior of the variables. Water absorbency increases with the increase in jute content. Water absorbency decreases with the increase in fabric weight and needling density. Highest water absorbency (720%) of the fabric can be obtained at 60% jute content level with lower needling density and lower fabric weight. The fabric thickness increases with the increase in jute content. At higher level of jute content, with the increase in needling density, the fabric thickness shows decrease in trend. At higher level of fabric weight and higher needling density, with the increase in jute content, the fabric thickness shows a decrease in trend. Maximum fabric density can be obtained at higher fabric weight (450 g/m2), higher jute content (60%) and higher needling density (350 punches/cm2) levels. The influence of fabric weight, needling density, and blend proportion of polypropylene and jute as independent variables on the cluster of fabric thickness and water absorbency is very high as evidence from the Euclidean distances. © SAGE Publications 2010. Source


Roy S.,Bengal Engineering and Science University | Sengupta A.,Bengal Engineering and Science University | Sengupta S.,National Institute of Research on Jute and Allied Fibre Technology ICAR
International Conference on Control, Instrumentation, Energy and Communication, CIEC 2014 | Year: 2014

Yarn hairiness or amounts of released fibers from the staple yarn are one of the main aspects to detect the yarn quality. This paper illustrates the method of finding yarn hairiness using image processing techniques with a low-cost USB Web Camera in association with a yarn moving arrangement. The steps involved with the image processing comprises of segmenting the yarn core from the image and fibre extraction. The yarn hairiness found by the proposed method are quantised by different indices, such as yarn hair area index and yarn hair length index and count of hair tips at specific distances from the central line of the yarn core. The future goal of this work is to acquire the image of the yarn from a spinning frame with the help of a high resolution web camera and process the same with advanced software to characterize the yarn which in turn dictates the fabric appearance in terms of hairiness. © 2014 IEEE. Source


Sengupta A.,Indian Institute of Science | Roy S.,Indian Institute of Science | Sengupta S.,National Institute of Research on Jute and Allied Fibre Technology ICAR
Measurement: Journal of the International Measurement Confederation | Year: 2015

This paper deals with the development of a computerised system to measure different yarn parameters i.e. diameter, diameter variation, number of thick/thin places and neps, hairiness indices (hair length index and hair area index) and number of hairs in a single run with the help of image processing. A low cost Universal Serial Bus (USB) web camera, mechanical set up for yarn movement, computer and LabVIEW software are used for this purpose. Jute and cotton yarn with wide range of nominal diameter have been tested with cut length 1-4 mm and the results have been compared with a commercial capacitive tester i.e. Uster tester 3. The repeatability of results is insignificant in 1% level. Calibration has been done by taking image of a standard wire and adjusting the multiplying factor in the software if required. The developed system can give the average diameter of the yarn under test in real time unit (millimetre) unlike state of art instrument where it is set to zero. Hairiness is more rigorously defined in contrary to other tester where either qualitative analysis of hairs or hair count is measured. As the principle of measurement is image processing, the choice of correct background prior to the test is a prerequisite. The accuracy of the developed instrument is much higher as it can sense pixel change of measurable parameter. The developed system is equally useful for coloured yarns with proper background. The performance of the system is free from fluctuation of ambient temperature, humidity and illumination level. © 2014 Elsevier Ltd. All rights reserved. Source


Roy A.N.,National Institute of Research on Jute and Allied Fibre Technology ICAR | Basu G.,National Institute of Research on Jute and Allied Fibre Technology ICAR
Indian Journal of Traditional Knowledge | Year: 2010

The golden jute fibre, traditionally used for the production of coarse packaging materials, is now being used in different diversified areas, e.g. home-textiles, auto-textiles, etc. The production of decorative jute fabric with ornamental effect needs special attention so far the construction parameters of handloom are concerned as the availability of such type of handloom producing jute based decorative fabrics with ornamental effect using jute yarn in both warp and weft is scanty. In the paper, the problems faced during the production of jute based decorative fabrics in traditional cotton handloom with jacquard shedding arrangement and development of a handloom with jacquard shedding arrangement for trouble free weaving of any type of jute based decorative fabric with ornamental effect has been reported. The handloom developed for the production of jute fabric can also be used for weaving traditional cotton fabric. Source


Roy A.K.,National Institute of Research on Jute and Allied Fibre Technology ICAR | Chattopadhyay S.N.,National Institute of Research on Jute and Allied Fibre Technology ICAR
IPPTA: Quarterly Journal of Indian Pulp and Paper Technical Association | Year: 2011

Jute is an annually renewable lignocellulosic fibre. During the processing of this fibre in jute mills, a large amount of fibre wastes are produced. These waste jute fibres together with old gunny bag fibres and low quality jute fibre can be used as an alternative raw material for small scale pulp and paper mills, which are dependent on scarce raw materials like hosiery cutting and cotton rag. In order to find an environment friendly pulping process which gives pulp having strength as high as kraft pulp and can be bleached easily, permitting the application of TCF sequences, pulping of jute fibre was carried out by ASAM process (Alkaline sulphite anthraquinone methanol cooking) and compared with alkaline sulphite and kraft pulping of jute fibre. The pulps obtained were bleached with hydrogen peroxide and standard handsheets were made and strength and optical properties were evaluated. The sheets were then subjected to accelerated ageing tests for four days and post color factors were determined to evaluate the colour reversion. It was observed that compared to kraft pulp ASAM pulp of jute fibre gave pulp of higher yield, better strength and better optical properties. Source

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