Influence Of Enzyme And Silicone Wash On The Physico-Mechanical Properties Of Non-Denim Twill Garments
Garments washing is one of the most important finishing treatments applied on apparels which have vital use to create special outlooks and improving the fashion. Technologically washing is one of the most important fashion elements for clothing industry and production of washed garments depends on the machine quality. In order to achieve an optimum effect of washing process, on the woven fabric in different washing time, Enzyme Wash and then Silicone wash were carried out for cotton fabric. However, there are some of the comments that when the garments have longer washing time, use of the chemical on the washing procedure will affect the physical and mechanical performance. The aim of this study is to determine the effects of industrial enzyme silicone wash combined with silicone wash. For this study currently fashionable regular Non- denim (100% cotton with twill 3/1 weave construction) trouser was chosen. The selected Non-denim trouser has been processed by enzyme and then silicone wash. In order to evaluate the washing effects on Non-denim trouser, changes of fabric handle, fabric specification (ends/inch, picks/inch, surface density, warp & weft yarn linear density), fabric strength has been determined during and after washing.
Thermal studies on paper treated with flame-retardant
Sodium silicate and sodium berate mere tested as dame retardants on two types of paper sheet (100% rice straw pulp paper with a high silica content while the other consisted of 100% wood pulp paper). After addition of inorganic flame retardant salts (sodium silicate and sodium berate) on to the two samples of paper, the thermal behaviour of the treated paper sheets revealed differences in the course of the differential thermal analysis curves. The thermal analysis studies were carried out under an oxidizing atmosphere using differential thermal (DTA) and thermogravimetric (TGA) analysis, The flame retardants used in this study reduced the amount of volatile products formed during decomposition of the paper and increased the weight loss due to formation of char for the treated papers. The thermal degradation of paper can be considered as a first order degradation. Two stages of thermal degradation were kinetically differentiated, namely, a volatilization stage and a decarbonization stage, The activation energy for these two stages were calculated. The addition of flame-retarding salts decreased the activation energy for both stages, Sodium silicate salt showed more reduction of activation energy than sodium berate, especially for the rice straw paper.
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