Disperse dye with polyester fabric " tex-know"

v Exp Name: Polyester  fabric dyeing by Disperse  dyes

v  Introduction: Disperse dye are the water insoluble dyes that dye polyester and acetate fabric .disperse dye molecules are the smallest dye molecule among all dyes .disperse dye molecule is based on an amine , hydroxyl, etc group .in 1953 this  dye was named as “ Disperse dye “ .

v Objective:

v  To know about disperse dye

v  To know about Dyeing recipe of disperse dye

v  Know about Recipe calculation

v  To Know about polyester  fiber dyeing

v  To know working procedure of disperse dye

v Apparatus

v  Beaker

v  Dropper

v  Pipette

v  Burner

v  Digital Balance

v  Dryer

v Recipe and calculation:

·         M: L                          = 1:40

·         Sample                     = 3.08gm

·         Dye                           = 2% or =0.067g

·         Total water              = 3.08×40 = 123.2 cc

·         Disperse Agent         = 3 gm/l = (3×123.2) ÷1000 = 0.37 ml

·         Sequestering agent  = 1 gm/l = (1×123.2) ÷1000 = 0.123 ml

·         Leveling Agent         = 1gm/l = (1×123.2) ÷1000 = 0.123 ml

·         Carrier                     = 3gm/l = (3×123.2) ÷1000 = 0.37 ml

·         CH₃COOH                 = 1gm/l = (1×123.2) ÷1000= 0.123 gm

·         Time                         = 35 minute

·         Temperature            = 85-90°c

·         PH                 = 4-5

v  Sample:

                    

Figure: Disperse Dyeing Sample

v Working Procedure:

·         At first, we take a sample dyeing Becker

·         Then take 3.08gm white cellulosic fabric

·         And 123.2cc water

·         Then Carrier CH₃COOH weight by digital balance. Take as our recipe% of chemical

·         After That we add all chemical. Disperse agent, sequestering agent, leveling agent, as per our recipe chart.

·         Then adds 2% stock- color as we find our calculation

·         Andmixed all chemical then, wet sample fabric squeezewater. then the sample fabric put in the beaker and close this, now start dyeing in 80-90°c and 4-5 Ph for 35 minute process this dyeing.

·         After dyeing cool wash this sample fabric and dry this fabric

v  Conclusion:By this experiment now we know about Disperse dyes, Recipe, recipe Calculation and Working Procedure of Disperse Dyes. Its will be helpful for us.