This research investigated the effective conditions to dye cotton with commercial indigo leaf
powder. We tested dyeing conditions of: pH of dyebath (6.5, 9-12), heating ($20^{\circ} C …

This study investigates the current status and dyeing properties of various natural indigo
powder dyes in the domestic market. Products from India, China, Europe are sold in the …

The purpose of this research was to find the suitable dyeing method for dyeing cotton fabric
into indigo blue color using the raw indigo powder dyes sold in the Korean market. The …

We prepared natural indigo/calcium hydroxide complex powder from tinctoria's leaf,
according to the demand of developing new dyeing technique of natural fibre with natural …

Natural indigo dye in powder form was prepared by modifying traditional Niram method,
using Ca (OH) instead of baked oyster powder for precipitating indigo dye. The prepared …

Market available fermented indigo powders of Indian origin (FI1, FI2), Chinese origin (FC1,
FC2), and raw indigo powders of Indian origin (R1, R2) were examined using TLC and …

Natural indigo, the oldest of the blue dyes, has been used worldwide. Because it is insoluble
in water, it should be converted into a water-soluble form for dyeing. Suitable reducing agent …

Traditionally dyeing fabric with dyestuff extracted from Indigo was a popular method of
obtaining blue color in the world before synthetic dyestuff was developed in the 1890's. As …

One-step reduction/dyeing method was optimized for wool dyeing with natural indigo dye in
this study. The effects of reduction/dyeing conditions including dye temperature and time, the …

This research investigated the screen printing method for natural indigo dye on cotton fabric.
We examined four types of thickening agents (arabic gum, guar gum, indalca, and CMC) …