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Fatema Sharmin

Studying Wet Process Engineering at Bangladesh University of Textiles(BUTEX) | Internship Trainee at Asian Textile Mills Limited | Core Member at Textile Study Center

What is Color | Color Theory

  Color Theory What is Color :  Color is the general name of all the sensation arising from the activity of retina of the eye & attached nervous mechanism. We see are the colors of the visual spectrum of red, orange, yellow, green, blue & violet. Objects absorb certain wavelength & reflect others back to […]

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   […]

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 […]

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 […]

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 […]

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 […]

Textile Printing | Feature of Textile Printing | Process flowchart of textile printing

 Textile Printing The word of “printing” has derived from a Latin word which means “pressing “. It implies a process that uses pressure. Textile printing is one kind of localized dyeing where dyes or pigments & chemical applied by any method which can produce a particular effect of color on fabric according to design. In […]

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.     […]