Application of reactive dye for batik on cotton
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Date
2012
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CCSHAU
Abstract
The study was conducted to standardize dyeing process of reactive dye for batik on cotton.
Batik printing is traditional Javanese printing. It is a kind of resist printing and the resist used in this
basically is a wax resist. Proportions of resist i.e. paraffin wax, bees wax and resin optimized for
standardization of batik resists mix. Effect of ageing on resist mix was also assessed on the basis of
resist parameters and percent dye absorption. Cold reactive dye was selected for dyeing white cotton
fabric. Standardization of dyeing variables viz, dye concentration, wetting agent concentration, dyeing
temperature, dyeing time, initial pH, dyeing pH and different auxiliaries concentration were optimized
on the basis of percent dye absorption and visual appearance. Colour fastness properties of batik
printed samples were also evaluated regarding washing, sunlight, rubbing and perspiration fastness.
Batik printed fabrics were used to develop shopping bags. Training was imparted to interested rural
women on use of reactive dyes for batik on cotton. It is summarized that 50:50:5 ratio for batik resist
mix was optimized using paraffin wax, bees wax and resin. Two days duration for wax storage was
optimized. The optimum dyeing temperature and dyeing time with cold reactive M brand dye was 30°C
and 90 minutes respectively using dyeing concentration 6%, initial pH 7.0, dyeing pH 11.0, wetting
agent (urea) concentration 60g/l, sodium sulphate concentration 60 g/l and sodium carbonate 10g/l.
Fastness grades for batik dyed fabric for both colour change and colour staining was good to excellent.
Shopping bags made by batik using three wax application techniques and dyed with reactive dye were
highly appreciated by consumers on all the parameters. Training on use of reactive dye for batik and
techniques of wax application was imparted to rural women and was found to be very effective as there
was significant gain in knowledge on various aspects of use of reactive dye for batik at 5% percent
level of significance.
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Keywords
Bacteria, Acidity, Organic acids, Land management, Animal husbandry, Sampling, Polysaccharides, Productivity, Fermentation, Poultry equipment