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Dyeing | Textile Study Center

Dyeing

Reactive Dyes – A Better Alternative To Traditional Dyes?

Reactive Dyes – A Better Alternative To Traditional Dyes? How Is The Dyeing Operation Performed? Dyeing operations are performed by binding dyes to fibres. There are primarily two types of dyes, namely: Water-soluble dyes Water-insoluble dyes When it comes to dyeing fibres, some fibres adhere to and accept dyes easily, while others do not. Depending […]

Types of Calenders in Textiles

Light Fastness and Factors Influencing Light Fastness Behavior

Light Fastness and Factors Influencing Light Fastness Behavior Textile Dyes and Pigments used in the industry vary to a great extent in terms of their resistance to light sources and this phenomenon is called as ‘Light-fastness of Textiles’. Sunlight materials emits electromagnetic radiations of several wavelengths. Visible range of spectrum (400 – 700 nm) , […]

Types of Calenders in Textiles

Introduction to Sulfur Dyes Part 1

Introduction to Sulfur Dyes Sulfur dyes are complex heterocyclic molecules or mixtures formed by melting or boiling organic compounds containing amino or nitro groups with Na-polysulphide and Sulfur. Sulfur dyes are so called as they all contain Sulfur linkage within their molecules.             Sulfur dyes are highly coloured, water insoluble compounds and have to be […]

Types of Calenders in Textiles