Vat dyeing is a process that refers to dyeing that takes place in a bucket or vat. The original vat dye is indigo, once obtained only from plants but now often produced synthetically. [1]

Mar 29, 2012 · Why So Called Vat Dye? The word vat means, ‘Vessel’. The dyes take their name from vatting. The vat dyes are naturally coloring matter and kept in wooden vat and make solubilise vat dyes by the process of fermentation – so it is called vat dye.

Vat dyes play a vital role in the textile industry, offering a wide range of vibrant and durable color options for fabrics. Their unique molecular structure and excellent colorfastness make them a preferred choice for achieving long-lasting and fade-resistant hues.

Jan 10, 2012 · Vat dyeing is widely used for coloration of cellulose materials such as cotton. Vat dye can’t be directly applied and required vatting because it is insoluble in water. However, they can be made soluble by reduction in alkaline solution which …

Mar 20, 2025 · Key Features of VAT Dyes: Superior Wash & Light Fastness – VAT dyes offer one of the highest levels of resistance to fading, making them ideal for garments and home textiles. Deep & Intense Shades – These dyes produce rich …

Jul 6, 2024 · Despite having exceptional fastness properties, vat dyes can stripped into lighter colors for re-dyeing. All we to do is resolubilize the pigmented form of the dye. A typical recipe may contain Sodium Hydrosulfite of 5 g/l, Caustic Soda of 12-15 g/l, and a suitable detergent.

Jan 10, 2012 · Vat dyes have been used for many decades to color cotton and other cellulose fibers. Despite their high cost and their muted colors, these dyes are extremely important for certain textiles because of their superior fastness.

The process of dyeing that takes place in a bucket or vat is called vat dyeing. Almost any dye, whether it is fiber-reactive, direct, or acid can be used for vat dyeing. Vat dyes are used for dyeing cotton, wool, and other fibers. One of the most popular original vat dyes is indigo.

Vat dyes, which include indigo and anthraquinone-based dyes, are chemically complex dyes which are insoluble in water. They must first be reduced to the leuco form in an alkaline solution of...

Dec 20, 2023 · Vat dyes are a popular choice in the textile industry, known for their exceptional color fastness and resistance to fading. This article explores the fascinating world of vat dyes, their unique dyeing process, and their versatility in creating vibrant and long-lasting colors for various textile applications.