Fatema Sharmin

Dyeing

What is Color | Color Theory

November 26, 2017 Fatema Sharmin 0

7.15K

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

Dyeing Auxiliaries | Function of Auxiliaries | Dyeing Method of Vat Dye | part 02

November 23, 2017 Fatema Sharmin 0

3.07K

Dyeing

Dyeing of Cotton with Vat dye | Part 01

November 18, 2017 Fatema Sharmin 0

15.10K

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 […]

Dyeing

Auxilaries Of Disperse Dye

October 15, 2017 Fatema Sharmin 0

1.59K

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

Disperse Dye for Polyester | Why called disperse dye | Application and mechanism of disperse dyes | Features of of disperse dyes

October 15, 2017 Fatema Sharmin 0

5.48K

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 […]

Dyeing

Method of polyester dyeing | Polyester Dyeing process

October 15, 2017 Fatema Sharmin 0

6.46K

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 […]

Apparel Engineering

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

August 11, 2017 Fatema Sharmin 0

6.00K

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 […]

Dyeing

Reactive dye || Reactive dye features || Reactive dye classification

July 2, 2017 Fatema Sharmin 0

2.60K

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. […]