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 […]
Dyeing
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 dye || Reactive dye features || Reactive dye classification
REACTIVE DYE Reactive dye is only dye that reacts with the textile fibre & makes covalent bond with fibre.Under the suitable condition it reacts with –OH or –NH2 of the fibre & forms covalent dye substrate linkage. DYE-SO2-CH2-OSO3Na + HO-Cell ———- D-SO2-CH2-CH2-O-Cell + NaHSO3 FEATURES of REACTIVE DYE 1. Water soluble. […]
