7th International Scientific Conference Contemporary Trends and Innovations in Textile Industry, Belgrade, Serbia, 19 - 20 September 2024, pp.154-160
The issue of waste management is one of the most important issues both
today and in the future. Therefore, lots of scholars are endeavoring to add to the economy
substances such as paper, glass, and vegetable waste. In this study, the pistachio tree
(Pistacia vera L.) branch was used for the first time as a bio waste material as a natural
dye source for coloring textile material. For this purpose, waste pistachio branches were
collected from Gaziantep province in the south of Türkiye. And then, the dried and grinded
branches of pistachio were used for the dyeing of textiles. Dyeing was started at room
temperature. The simultaneous-mordanting method was used. The method was performed
at a materials-to-liquor ratio of 1:40 for one hour at 100°C. And then it was cooled, washed
with soap (1 g/L non-ionic surfactant), and then dried at room temperature. Alum
(KAl(SO4)2.12H2O) and iron sulfate (FeSO4.7H2O), which are environmentally friendly,
were used as metal salts to increase the efficiency of the dyeing process. The CIE L*a*b*
values and K/S values of the dyed fabrics were measured using a spectrophotometer. In
addition, washing, perspiration, and rubbing fastness tests were applied to colored fabrics.
The results show that fabrics can be colored with sufficient fastness using pistachio tree
branches.