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Dyeing & Printing 1

Dyeing Auxiliaries | Function of Auxiliaries | Dyeing Method of Vat Dye | part 02

Vat dye | Why called vat dye | Vat dye properties | Uses of Vat dye | Classification of Vat dye | The 1N (indanthrene normal) group | The IW (indanthrene Warm) group | The IK group | Anthraquinonoid | Indigoid | Dyeing of cotton with vat dye | Vat dyeing recipe | Part 01   […]

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

Polysaccharide Thickeners

Polysaccharide Thickeners  Introduction: Thickener is a colorless thick mass which imparts stickiness and plasticity to the print paste so that it may be applied on the fabric surface without bleeding or spreading and be capable of maintaining the design out lines.  Polysaccharides:  Nature has provided large quantities of many polymers that are soluble or dispersible […]

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

Dyeing of Cotton with Vat dye | Part 01

 Vat dye Vat dye is one of the oldest types of dye. It is mainly suitable for cellulosic fibre for best overall fastness properties. Because of the popularity of blue jeans, indigo is still one of the most important dye in the world in the present time. Natural indigo was extracted by fermenting Indigofera tinctoria […]

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

Defects of Sulfur Dyeing Part 3

Part 01 :Introduction to Sulfur Dyes | History of Sulfur Dyes | Method of manufacture of Sulfur dye | Trade Names of Sulfur Dyes | Characteristics of Sulfur Dyes | Features of Sulfur Dye | Chemical Structure of Sulfur Dye | Chemical Nature of Sulfur Dyes | Chemistry of dyeing with Sulfur Dye   Part […]

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

Classification of Sulpher Dyes Part 2

Part 01 :Introduction to Sulfur Dyes | History of Sulfur Dyes | Method of manufacture of Sulfur dye | Trade Names of Sulfur Dyes | Characteristics of Sulfur Dyes | Features of Sulfur Dye | Chemical Structure of Sulfur Dye | Chemical Nature of Sulfur Dyes | Chemistry of dyeing with Sulfur Dye   Part […]

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

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 […]

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

Dyeing Jute yarn with Basic dye

Name of the Experiment: – Dyeing Jute yarn with Basic dye.   Introduction: It is suitable for acrylic fibers (other fibers by mordanting). It reacts with acetic groups, or mordants a chemical which can react or complex with a chromophore to form an insoluble color in the fibre. It has good fastness properties on acrylic […]

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

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 […]

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

Disperse Dye for Polyester | Why called disperse dye | Application and mechanism of disperse dyes | Features of of disperse dyes

Part 1 : Disperse Dye for Polyester | Why called disperse dye | Application and mechanism  Part 3 : Auxilaries Of Disperse Dye   Why called disperse dye Disperse dye are the smallest dye of all dyes. They are insoluble in water. When they are applied to the dye bath, they form dispersion. They are free from ionized group. So they have low […]

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

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 […]

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