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Chattopadhyay, S. K.
- Effect of Helium-oxygen Plasma Treatment on Physical and Chemical Properties of Cotton Textile
Abstract Views :477 |
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Authors
Kartick K. Samanta
,
T. N. Gayatri
1,
A. H. Shaikh
1,
S. Saxena
1,
A. Arputharaj
1,
S. Basak
1,
S. K. Chattopadhyay
1
Affiliations
1 ICAR-Central Institute for Research on Cotton Technology, Adenwala Road, Matunga, Mumbai - 400019, IN
1 ICAR-Central Institute for Research on Cotton Technology, Adenwala Road, Matunga, Mumbai - 400019, IN
Source
International Journal of Bioresource Science, Vol 1, No 1 (2014), Pagination: 57-63Abstract
Plasma, an ionized gas composed of ions, electrons, photos, UV radiation and neutral active species, can be used for nano-scale surface modification of textile substrates without using water. Among the various types of plasma, only atmospheric pressure cold plasma (non-thermal plasma) is suitable for surface modification of heat sensitive textile substrates in a continuous manner. Atmospheric pressure cold plasma was generated in the presence of helium-oxygen (He/O2) mixture and cotton fabric was plasma treated for 30 s to 4 min. Upon ionization, helium (He) emits photons at wavelengths of 706 nm, 667 nm, 587 nm, 727.5 nm and oxygen at 776 nm and 844 nm. After plasma treatment, cotton became more hydrophilic due to generation of hydrophilic groups resulting better water wicking. Plasma treatment increases the surface crystalline index (CI) from 1.09 in the untreated sample to 1.65 in the 2 min He/O2 plasma treated sample. Scanning electron microscope (SEM) images showed etching of fibre surfaces. In the 2 min and 4 min He/O2 plasma treated samples, there was an improvement in colour value in terms of K/S, a and c. Surface crystalline index (CI), numbers of hydroxyl and carbonyl groups play an important role in colouration of cellulosic textile using reactive dye.Keywords
Plasma, Cotton, Textile, Colouration, Water Pollution
- Silk Yarn Processing: An Industrial Review
Abstract Views :302 |
PDF Views:0
Authors
Affiliations
1 National Accreditation Board for Testing and Calibration Laboratories (NABL), New Delhi, IN
2 Central Institute for Research on Cotton Technology, Adenwala road, Matunga, Mumbai-400019, IN
3 Department of Fibres and Textile processing Technology, Institute of Chemical Technology (ICT), Matunga, Mumbai – 400 019, IN
1 National Accreditation Board for Testing and Calibration Laboratories (NABL), New Delhi, IN
2 Central Institute for Research on Cotton Technology, Adenwala road, Matunga, Mumbai-400019, IN
3 Department of Fibres and Textile processing Technology, Institute of Chemical Technology (ICT), Matunga, Mumbai – 400 019, IN
Source
International Journal of Bioresource Science, Vol 1, No 1 (2014), Pagination: 65-71Abstract
Silk is the queen of all the fibres and is well known for its fashionable lusture, softer handle and aesthetic value. The fibre is mostly used for producing elegant sarees with intricate designs by the fashion and textile designer expert. Here an attempt has been made to provide comprehensive review covering most of the industrial technical aspects of chemical processing of silk hanks. Variety of silk yarns used in the industry is written. Besides degumming and bleaching process of different quality silk hanks are mentioned in detail. With the addition of it different practical problems arised in the silk degumming also have been discussed. Along with all the mentioned problems probable solutions are also discussed and reported. Dyeing process and dyestuffs used for dyeing of silk hanks are elaborately reported with criticality and special properties of particular dyes. At the end of the paper practical problems of industrial silk dyeing are discussed with probable technical and managerial remedies.Keywords
Silk, Hanks, Degumming, Bleaching, Dyeing- Application of biomimicry in textiles
Abstract Views :603 |
PDF Views:128
Authors
Affiliations
1 Central Institute for Research on Cotton Technology (ICAR), Adenwala Road, Matunga, Mumbai 400 019, IN
2 Central Institute for Research on Cotton Technology (ICAR), Adenwala Road, Matunga, Mumbai 400 019
1 Central Institute for Research on Cotton Technology (ICAR), Adenwala Road, Matunga, Mumbai 400 019, IN
2 Central Institute for Research on Cotton Technology (ICAR), Adenwala Road, Matunga, Mumbai 400 019
Source
Current Science, Vol 109, No 5 (2015), Pagination: 893-901Abstract
Nature has created excellent technologies around us, and as such, it is the chief mentor to humans on creativity and technology development. Nature uses fibre as a building block - natural structures like wood, bamboo, bone, muscle, etc. all have fibrous structure. Fibre spinning and weaving technologies are available in nature since time immemorial. Nature has also demonstrated sophisticated technologies useful in the development of technical textiles like functional surfaces, camouflage, structural colour, thermal insulation, dry-adhesion, etc. Thus, biomimicry can be an inspiration to develop innovative textiles. This article reviews some of the important technologies of nature relating to textiles.Keywords
Biomimicry, fibres, spinning, textiles, weaving.Full Text
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- Self-Extinguishable Ligno-Cellulosic Fabric Using Banana Pseudostem Sap
Abstract Views :278 |
PDF Views:110
Authors
Affiliations
1 Central Institute for Research on Cotton Technology, Indian Council of Agricultural Research, Adenwala Road, Matunga, Mumbai 400 019, IN
1 Central Institute for Research on Cotton Technology, Indian Council of Agricultural Research, Adenwala Road, Matunga, Mumbai 400 019, IN
Source
Current Science, Vol 108, No 3 (2015), Pagination: 372-383Abstract
Flame retardancy was imparted to ligno-cellulosic jute textiles using banana pseudostem sap (BPS), an eco-friendly natural by-product obtained during the extraction of fibres from the banana pseudostem. The extracted sap was made alkaline and applied to a pre-mordanted Greige fabric. The flame-retardant properties of both the control and treated fabrics were analysed in terms of limiting oxygen index (LOI), horizontal and vertical flammability, and the total heat of combustion. The treated jute fabrics showed a far better flame-retardant property compared to the control fabric. By 1.9 times increase in the LOI after application of the alkaline BPS, the treated fabric (1 : 4) showed no flame and got self-extinguished within a minute. Based on thermal degradation, pyrolysis and dehydration studies, and analysis of the chemical composition of the flame-retardant finish prepared from the BPS, the mechanism of imparting flame retardancy to jute textiles has been postulated. The imparted finish was found semi-durable in soap wash, and did not cause any significant loss in tensile and tear strength of the fabric.Keywords
Banana Pseudostem Sap, Flame Retardancy, Jute Fabric, Ligno-Cellulose, Pyrolysis.Full Text
- A Study on Adoption of Improved Sericultural Practices at Farmers Level in Major Traditional Districts of Sericulture in West Bengal
Abstract Views :268 |
PDF Views:1
Authors
Affiliations
1 Department of Sericulture, Krishnath College, Berhampore, Murshidabad-742101, West Bengal, IN
1 Department of Sericulture, Krishnath College, Berhampore, Murshidabad-742101, West Bengal, IN
Source
Journal of Environment and Sociobiology, Vol 5, No 1 (2008), Pagination: 55-60Abstract
Sericulture is an age old industry in West Bengal. At present mulberry is cultivated in 33560 acres of land and 107000 families are engaged in mulberry sericulture. Estimated mulberry raw silk production during 2004-2005 was 1520 MT (10.39% of total mulberry raw silk production in India). But still a heavy decline in sericulture is seen in West Bengal. In 1997-1998 mulberry was cultivated in 53,395 acres (21358 ha) of land but it is now reduced to merely 33560 acres of land. There are several factors behind that downfall of sericulture in this state. Lack of adoption of improved sericultural practices may one of them. Hence, in the above context it is worthwhile to conduct research studies in two major traditional districts of West Bengal i.e., Malda and Murshidabad. The present study was conducted in the Nabagram Block of Murshidabad district and Kaliachawk Block-2 of Malda district to assess farmers' knowledge and their adoption level in respect of recommended sericulture practices so that field extension workers could develop appropriate educational approaches to upgrade their adoption level for increasing the cocoon yields, thus aiding in generation of higher income and employment among the rural mass. The findings of the present study indicated that only 50% of big farmers and 25% of small farmers had planted improved variety of Mulberry and followed recommended spacing and recommended system of planting. The present study also reveals that farmers have very low level of knowledge with respect to work spacing, number of feeds, types of leaves to be fed to different instars, leaves preservation methods, number of bed cleanings, temperature manipulation measures and prevention measures for various silkworm diseases. In general, irrespective of the category, sericultural farmers are not applying recommended dosage of fertilizers to mulberry crop.Keywords
Sericulture, Traditional District, Recommended Practices.- Management of Silkworm Rearing in West Bengal
Abstract Views :221 |
PDF Views:1
Authors
Affiliations
1 Department of Sericulture, Krishnath College, Berhampore Murshidabad-742101, West Bengal, IN
1 Department of Sericulture, Krishnath College, Berhampore Murshidabad-742101, West Bengal, IN
Source
Journal of Environment and Sociobiology, Vol 5, No 1 (2008), Pagination: 65-76Abstract
West Bengal experiences severe hot, humid summer and rainy season with higher precipitation rate, which makes the management of silkworm rearing very difficult. As a result, farmers of West Bengal fetch poor return owing to low productivity of cocoons. In this context it is important to manage silkworm rearing properly. In order to manage a profitable silkworm rearing it is indispensable to make proper planning prior to the initiation of silkworm rearing, management during the rearing of young age silkworms, late age silkworms and mounting and harvesting cocoons.Keywords
Silkworm Rearing, Young Age Rearing, Late Age Rearing, Mounting, Harvesting.- A Study on Socio-Economic, Health and Hygiene Status of Women Engaged in Sericulture Industry in Sujapur of Malda District, West Bengal
Abstract Views :289 |
PDF Views:1
Authors
Affiliations
1 Department of Sericulture, Krishnath College, Berhampore, Murshidabad-742101, West Bengal, IN
1 Department of Sericulture, Krishnath College, Berhampore, Murshidabad-742101, West Bengal, IN