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Dyeing Archives | 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 […]

A Techno Commercial Study of Re-cycling of Metallic Powder Used in Polyester Industry as a Polymer Filtration Media

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) , […]

Reactive Dyes – A Better Alternative To Traditional Dyes?

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 […]

Reactive Dyes – A Better Alternative To Traditional Dyes?

Auxilaries Of Disperse Dye

Part 1 : Disperse Dye for Polyester | Why called disperse dye | Application and mechanism  Part 2 : Method of polyester dyeing | Polyester Dyeing process   Auxilaries Of Disperse Dye . Carrier : The extreme crystalline nature of polyester fibre creates problem in obtaining dark shade by conventional dyeing method even at high temperature. The  carrier […]

Reactive Dyes – A Better Alternative To Traditional Dyes?

Method of polyester dyeing | Polyester Dyeing process

Part 1 : Disperse Dye for Polyester | Why called disperse dye | Application and mechanism  Part 3 : Auxilaries Of Disperse Dye   Method of polyester dyeing :  There are 3 methods of polyester dyeing .they are   Carrier method   Pad thermosol method   High temperature high pressure method     Polyester Dyeing process .  Carrier method: This process […]

Reactive Dyes – A Better Alternative To Traditional Dyes?