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 […]
Lab Reports
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 […]
Dyeing Of Nylon Yarn With Acid Dye
Dyeing Of Nylon Yarn With Acid Dye Objects: – The main object of this process is to iron the fabric. To dye nylon yarn. To know about acid dyestuff. To know how it work. To have an idea of dyeing curve on Nylon yarn. To know about the recipe. Introduction: Acid dyes are sodium salts […]
Determination Of Wash Fastness Of A Dyed Sample
Determination Of Wash Fastness Of A Dyed Sample Introduction: The resistance to the loss of colour of any dyed or printed material to washing is referred to as its wash fastness. If the dye molecules is not penetrated through the inner structure of fibre polymer system or have not attached to the fibre with strong […]
Determination Of Perspiration Fastness Of A Dyed Sample
Determination Of Perspiration Fastness Of A Dyed Sample Introduction: The garments which come into contact with the body where perspiration is heavy may suffer serious local dis-colouration. This test is intended to determine the resistance of colour of dyed textiles to the action of acid and alkali perspiration. SDC recommended multifibre fabric to the test […]
Determination Of Light Fastness To Water Of A Dyed Sample
Determination Of Light Fastness To Water Of A Dyed Sample Introduction: Light fastness: Light fastness is the resistance to fading of dyed textiles when exposed to daylight. Exposure to sunlight is a est fo the behaviour of the sample under actual conditions of use but takes long time ISO recommended that, The sample should be […]
Study Of Winch Dyeing Machine And Prepare A Maintenance Schedule
Study Of Winch Dyeing Machine And Prepare A Maintenance Schedule Objects: To know the dyeing procedures. To know about the mechanism of the machine. To know about the maintenance of the machine. Main parts: Winch Water inlet pipe Steam pipe Dyeing tank Drain valve Utilities: Electricity Water Steam Maintenance: Motor rpm: We have to inspect […]
Maintenance Schedule of Stenter Machine
Maintenance Schedule of Stenter Machine Objects: To observe the machine. To learn about the controlling points. To know about the mechanism. Overall maintenance of tank. Main parts: Feed roller Guide roller Horizontal clip Fan Motor Utilities used: Water Steam Electricity Controlling points: Motor rpm Proper movement of the rollers Proper grip by clips Proper gearing […]
Maintenance Schedule Of Starching Machine
Maintenance Schedule Of Starching Machine Objects: To observe the machine. To learn about the controlling points. To know about the mechanism. Overall maintenance of tank. Main parts : Top roller Bottom roller Chemical tray Immersion roller Feed roller Bottom roller Swing roller Controlling points : Immersion length should be maintained uniformly thorough out the process. […]
Maintenance Schedule Of Kier Boiler Machine And Route Of Utilities Applied For Technical Operations
Maintenance Schedule Of Kier Boiler Machine And Route Of Utilities Applied For Technical Operations Objects:- To observe the machine. To learn about the controlling points. To know about the mechanism. Overall maintenance of tank. Main parts:- Water supply pipe, Handle, Mixing tank, Gauge glass, Steam pipe, Lid, Solution outlet pipe, Check valve, Inlet outlet pipe, […]