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Sachdeva P.K.,University of Delhi | Chanana B.,University of Delhi | Parmar M.S.,Northern India Textile Research Association
Colourage | Year: 2014

The recent global environmental issues and inadequate raw fiber resources, have led the scientists to show interest in utilizing the full potential of natural fiber sources and their diverse uses. These natural fibers are present on earth since ages. But, the steady globalization and consumerism never provided the needed impetus to these fibers to be available for industrial and other potential usage. One such fiber is popularly known as Bagasse. It is the agricultural waste left after extraction of juice from sugarcane stalk. For years bagasse was treated as a waste and used for landfills. Later sugar mills started using it as a source of fuel. But, its low calorific value motivated the environmentalists and pollution control agencies to put measures to forbid its use as fuel alternative. This has led to innovation in the utilization of this agricultural waste in various applications. Being a cellulosic in nature, the application of bagasse in textile industry may be explored. This paper encompasses around the properties of bagasse as a potential raw material for various industries especially in textiles and the current status of developments in the diversification of its application. Source


Parmar M.S.,Northern India Textile Research Association | Singh M.,Northern India Textile Research Association
Colourage | Year: 2013

The demand for blackout fabrics in international market is increasing rapidly. Presendy, the ability of such fabric to cut/absorb light with its heat and insulation properties is checked visually by keeping the fabric against sun light and observe whether the light is passing through the fabric or not This type of evaluation is highly subjective; hence there is a need to develop an instrument for objective evaluation. Further, several manufacturers are interested to objectively measure the degree of "blackout" to satisfy the buyers. NITRA has developed an instrument (Patent no. 180/Del/2012 dt. 20/01/2012) which measures the light cutting/absorbing ability of fabrics and also provides useful information on heat cutting ability. Source


Chhabra J.,University of Delhi | Suri M.,Lady Irwin College | Parmar M.S.,Northern India Textile Research Association
Asian Textile Journal | Year: 2010

There is revival of interest in organic cotton and naturally colored cotton without recourse to dyeing using harmful and polluting chemicals. Naturally colored cotton totally eliminates the process of coloration as this cotton has a colored gene present in the lumen of the fibre that imparts natural color to cotton as it grows and matures. Growers of naturally colored cotton may find less need for pesticides. Colored cottons have many insect and disease-resistant qualities and are drought and salt tolerant. Naturally-colored cotton is inherently flame retardant as the Limiting Oxygen Index (LOI) value of naturally colored cotton is higher than conventional white cotton. Cotton farmers at Coimbatore are showing keen interest in cultivating naturally colored cotton. This may lead to a ten-fold increase in the cultivating area which presently stands at around 700 acres. The research station at Gulbarga, Karnataka has already come out with brown and green cotton. Source


Parmar M.S.,Northern India Textile Research Association | Bahl M.,Northern India Textile Research Association | Rao J.V.,Northern India Textile Research Association
Indian Journal of Fibre and Textile Research | Year: 2015

Two sets of milkweed blended weft knitted fabrics have been produced and then tested for their constructional properties like courses/wales per inch, thickness, weight and tightness factor. These fabrics are also evaluated for thermal insulation (TI), water vapour permeability, air permeability and ultraviolet protection factor (UPF) properties and then compared with the only cotton and polyester knitted fabrics. The UPF and TI data of various blends of milkweed fibre with cotton or polyester have beed evaluated using one-way analysis of variance (ANOVA). Results reveal that the thermal insulation and ultraviolet protection factor of the milkweed blended fabric are higher than the corresponding properties of cotton and polyester fabrics, while the air permeability and water permeability properties are lower than the corresponding properties of cotton and polyester knitted fabrics. © 2015, National Institute of Science Communication and Information Resources (NISCAIR). All right reserved. Source


Parmar M.S.,Northern India Textile Research Association | Sisodia N.,Northern India Textile Research Association | Singh M.,Northern India Textile Research Association
Indian Journal of Fibre and Textile Research | Year: 2015

An apparatus has been designed and developed to measure the light cutting/absorbing ability of curtains and to provide useful information on their temperature cutting ability. The apparatus is provided with various light sources with light, temperature and humidity detectors. The reproducibility of results, and effect of intensity of light (MBTL light source) on light and temperature cutting ability of six different fabric samples have been studied. The light and temperature cutting ability of the knitted fabric is found to be lower than that of woven and black out curtain fabric samples. © 2015, National Institute of Science Communication and Information Resources (NISCAIR). All rights reserved. Source

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