Indigo dyeing is an ancient natural dyeing technique. Due to the complicated preparation
process and lack of standardized operating procedures for the indigo dye used in the dyeing …

Indigo dyeing is an ancient natural dyeing technique. Because of its complex preparation
and dyeing processes, the technique was once replaced by chemical dyeing. However …

Indigo is an important vat dye since ancient times and occupies a prominent position in the
history of human dyeing culture. Based on learning and referring to previous research …

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 …

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 …

Blue calico is an important component of Chinese traditional arts and crafts, which
originated from the Ch'in-Han Dynasty, began in the Song Dynasty, and flourished in the …

In this work, the natural indigo production process from Polygonum tinctorium was balanced
based on the traditional Niram method in Korea. A standard procedure was determined …

Indigo dyeing for cotton fibers can achieve ideal color depth in silicone non-aqueous
medium dyeing system and solve some environmental pollution problems which were …

Indigo is one of the most widely used dyes for textiles and is thus produced in large
quantities. Owing to its low solubility, a chemical-dependent continuous reduction-oxidation …

In order to research the effect of surfactants on indigo dyeing, monomer solution and
compound solution were prepared separately by NNO, peregal O and penetrant SRD, the …