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Dyestuff | Classification of Dyestuffs

Dyestuff: Dyestuffs are organic and inorganic substances which consists of chromophore groups, can change the physical and chemical properties of any substance , can absorb softproductkey light and reflectcheap windows 10 Product Key lights to show color. They are unsaturated complex compound.   Characteristics of dyestuff : It must contain chromophore group Chromophore group can […]

Melt Spinning , Dry spinning and Wet Spinning Method

Man-made fibers are manufactured by spinning the polymer. There are three major types of spinning process. They are- █ Melt Spinning (It is used for polymers that can be melted easily.) █ Dry Spinning (It involves dissolving the polymer into a solution that can be evaporated.) █ Wet Spinning (It is used when the solvent can’t be evaporated and must be removed by chemical means.)