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 …

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 …

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 …

The process of making or cultivating indigo dyes is very cumbersome and complex. The dye
extraction and dyeing methods using general plant dye, moth repellent dye, fast acting …

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 …

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 …

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 …

The purpose of this study is to develop the dyeing method with dry leaves of indigo plant.
Coloring matter was extracted from dry leaves of indigo plant with hot sodium hydroxide …

Dyeing process of the natural indigo powder onto ramie and silk fabrics was investigated by
using glucose and calcium hydroxide as a reducing system. Effect of reduction and dyeing …