Exploration of natural dyes as alternative substitutes of synthetic dyes on batik making fabrics

Abstract

Business batik developing after recognition UNESCO 2009 batik as cultural heritage. World batik summit 2011 in jakarta declare batik industry indonesia should be based on natural protection, environment, and research provision of traditional dye natural. The data from the ministry industry 2015 there is 47.755 unit hpi batik, labor 199.444 people. Suppliers batik 25 % origin Jogja, other Solo and Pekalongan, most wearing dye synthesis, causes pollution of the environment and dangerous. Research objectives the knowledge of the and direction color / different color inflicted a natural dye indigofera, jalawe and higher in with the fixation alum, lime and tunjung. Uses experimental methods making dyes natural material herbs leaves indigofera, bark jalawe and wood higher in. Making the color of indigofera by fermentation, jalawe material and higher in with the process of extracting. The staining with dipped in solution dye, dried and repeating 3 times. Then the process fixation 15 minutes in fiksator alum (70g / l), lime (50g / l) and tunjung (50g / l), and dried in place has direct sunlight. The observation visually and testing different colors wearing spectropothometer uv-vis 2401.The results showed type and the color berbeda-beda, jalawe produces a light brown fixation to after dark brown, high produces a reddish brown discoloration towards dark brown. While indigo produce blue if fixation alum, lime and with tunjung the dark blue. Strong weak color produced depending on the type of nature, the fixation, the number and long immersion cloth.