Abstract
Tegeran wood (Cudrania javanensis) has been used for dyeing process of batik in Indonesian textile small medium scale enterprise. This wood gave soga color when it was mixed with others natural dye. This study was aim to evaluate the caharacteristic, fastness properties, and strength color of dyed cotton fabrics using C. javanensis with bio-mordant soka leaves extract. Extraction of C. javanensis was carried out using water. The post mordant process was carried out by applying alum (KAl(SO 4 ) 2 •12H 2 O) solution and soka leaves extract on cotton fabrics with the concentration of 0.5 and 1% b/v. Characteristic of dyed cotton fabrics then was evaluated using Fourier-Transform Infrared (F-TIR) Spectroscopy. The results exhibited that, binding between tegeran wood on cotton using mordant alum and soka leaves extract was similar.The fastness properties both dyed cottons toward light and washing at 40oC exhibited poor and very poor values with values of 1-2 and 1. The dry and wet rubbing of dyed cotton using soka leaves extract mordant better than using alum. The soka leaves extract gave yellow and brightness color on cotton.The results suggested that soka leaves extract can be used as mordant substitute the alum mordant and apllied with others natural dyes.
Highlights
Batik is a traditional fabric fromIndonesia and it was recognized as one of the Indonesian’s cultural heritages by the United Nations Educational Scientific and Cultural Organization (UNESCO) in 2009
The results showed that mordant gave a variety of colors on fabrics and increased the color strength value and fastness properties of the dyed fabrics (Atika et al 2017; Ohama et al 2014; Haji 2010; Haque 2013)
The function groups as part of a compound were evaluated by FTIR spectroscopy
Summary
Indonesia and it was recognized as one of the Indonesian’s cultural heritages by the United Nations Educational Scientific and Cultural Organization (UNESCO) in 2009. The use of natural dyes for coloration of batik has been growing because they were considered to be more environmentallyfriendly, non-carsinogenic, non-toxic, and biodegradable (Aliet al 2009; Bechtold et al 2003). Several reports have discussed on the use of natural dyes for dyeing process with various mordants. In Indonesia, mordanting process usually used metallic mordant such as CaCO3, FeSO4, and KAl(SO4)212H2O. Another mordant which can be used as bio-mordant is soka leaves
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