Browsing by Subject "kankaanpaino"

The purpose of this study was to determine the adhesion of pigment in textile printing when using alternative binders. Conventionally the binders that are used in textile printing are industrially manufactured. However the previous research has shown that the pigment can adhere to the fabric also by binding agents that contain proteins. For example, a Japanese textile print technique called Katazome utilize soya milk as a color binding agent which has also inspired this study. The theme of this study is to examine, how different binding agents are suited for textile printing when using pigment colors. In addition, it is evaluated how using binding agents effects to the color fastness on printed textile. The binding agents selected for this study were handmade soya milk, like it is used in Katazome technique, industrially produced soya drink and cow's milk enriched with proteins. The experimental part of the study consisted of the dyeing process as well as testing color fastness of printed fabrics. The test compared the use of binding agents on the different stages of printing process. The binding agent was applied on the fabric before anything else or it was applied at the same time with the color pigment. The color stability was evaluated using standardized test for color fastness to domestic and commercial laundering and rubbing. Only one color pigment was used. Printed fabrics were cotton, viscose, wool and silk. The findings show that soya-based binding agents can attach pigment colors onto fabric with moderate results. Using soya milk as well as soya drink as binders produced good fastness to laundering. In contrast the results in colors fastness to rubbing were poor. The best color fastness was achieved when color pigment was applied at the same time with binding agent. Contrary to the information collected from Katazome-tradition, coating the fabric with a binding agent beforehand weakened the color fastness result. Milk was clearly the worst option as a binding agent. Between soya milk and soya drink there were no significant difference.