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Wet Process Engineering Lab Report

Dyeing Of Cotton Fabric With Sulpher Dyes

Dyeing Of Cotton Fabric With Sulpher Dyes  Introduction: Sulpher dyes are complex heterocyclic molecules or mixtures formed by melting or boiling organic compounds containing amino or nitro groups with Na-polysulphide and Sulpher. Sulpher dyes are so called as they all contain Sulpher linkage within their molecules. Sulpher dyes are highly coloured, water insoluble compounds and […]

Printing On Polyester Fabric With Disperse Dyes

Printing (Solid-color) on polyester fabric with Pigments ( Rotary screen )

Printing (Solid-color) on polyester fabric with Pigments ( Rotary screen ) Theory: Printing means localized application of Dyes or other color producing substance according to design outlines. Now a days polyester fabric use frequently and for printing pigments are very popular. Pigments have very high color yield and fastness properties. They do not need any […]

Printing On Polyester Fabric With Disperse Dyes

Dyeing Of Cotton Fabric With Pigments In A Padding Mangle

Dyeing Of Cotton Fabric With Pigments In A Padding Mangle Theoretical knowledge: The Padding Mangle is perhaps the most familiar & most universal of all Textile dyeing and finishing machiney. Basically it appears to be quite a simple machine. performing  its task of removing the excess liquid from the fabric in a simple way.but behind […]

Printing On Polyester Fabric With Disperse Dyes

Dyeing Of Cotton Fabric With Hot Brand Reactive Dyes In Exhaustion Method

Dyeing Of Cotton Fabric With Hot Brand Reactive Dyes In Exhaustion Method (Combination Shade) Object: To dye a material practically. To observe the practical advantages and disadvantages of this dye. To compare the theoretical idea with practical experiment. Introduction: Reactive dyes forms covalent bond with fibre polymer and thus attach itself with fibre. It is […]

Printing On Polyester Fabric With Disperse Dyes

Dyeing Of Cotton Fabric With Cold Brand Reactive Dye In Exhaustion Method (Single Shade)

Dyeing Of Cotton Fabric With Cold Brand Reactive Dye In Exhaustion Method (Single Shade) Introduction: A dye, which is capable of reacting chemically with a substrate to form a covalent dye substrate linkage, is known as reactive dye. Here the dye contains a reactive group and this reactive group makes covalent bond with the fibre […]

Printing On Polyester Fabric With Disperse Dyes

Dyeing Of Cotton Fabric With Azoic Dyes

Dyeing Of Cotton Fabric With Azoic Dyes Object: To dye a material practically. To observe the practical advantages and disadvantages of this dye. To compare the theoretical idea with practical experiment. Introduction: Azoic dyes are not ready-made dyes but are produced by reaction of two components-Diazocomponent or Base/Salt and Coupling component (Naphthol). Dye formation in […]

Printing On Polyester Fabric With Disperse Dyes