Some Printing Process of Different Fabric with Different Dyes

Printing :
Printing means partial/localized dyeing. Printing can be described as the controlled placing of defined areas of color onto a substrate.

Steps of Printing:
  1. Preparation of the fabric for printing.
  2. Preparation of the printing paste.
  3. Making an impression of the paste on the fabric .
  4. Drying the printed fabric.
  5. Steaming the printed fabric.
  6. After treatment.
Some Printing Process of Different Fabric with Different Dyes:

Printing of Cotton Fabric with Reactive Dye:

Style of Printing:
Direct style of fabric.

Method of Printing:
Screen method.

Thickener Use:
  1. Na-Alginate .
  2. Gum tragacanth.
  3. Guar Gum
  4. British Gum etc.
Printing Paste Recipe:
Procion -M ------------------------------------10-80 parts
Urea--------------------------------------------50-75 parts
Na-Alginate thickener paste(6%)-----------------------400 parts
Regist salt---------------------------------------10 parts
Sodium bicarbonate-------------------------------25 parts
Hot water------------------------------------------245-420 parts
-----------------------------------------------------------------------------------------
Total                                  =                          1kg

Process Sequence:

Thickener Preparation

Printing paste preparation

Printing

Drying

Steaming (102-105 degree C temp. about 5-10 minute)

Soaping & Washing

Drying


Printing of Cotton Fabric with Vat Dye:

Style of Printing:

Direct style of Printing.

Method of Printing:
Screen printing method.

Thickener Use:
  1. British Gum.
  2. Starch.
  3. Gum tragacanth.
  4. Na-Alginate.
Print Paste Recipe:
Vat dye ------------------------------------------100-125 gm
Glycerine ------------------------------------------50-75 gm
Solution salt ---------------------------------------------30 gm
Starch-tragacanth paste-------------------------------------------500 gm
Potassium carbonate ----------------------------------------------80-120 gm
Rongolite C -------------------------------------------------60-100 gm
Water ------------------------------------------------------210-250 gm
--------------------------------------------------------------------------------------------
Total                                          =                              1 kg

Process Sequence:

Thickener Preparation

Printing paste Preparation

Drying

steaming (At 100-102degree C temp. about 3-5 minute)

Oxidation( By air or By chemical)



Printing of Cotton Fabric with Azoic Dye:

Style of Printing:
Direct style of printing.

Method of Printing:
Base printing method

Recipe for Naptholation:
Napthol AS-------------------------------------13 gm
T.R.O ------------------------------------------15 ml
Sodium hydroxide----------------------------23 ml
------------------------------------------------------------------------------------
Total ,water to                 =                         1 liter

Recipe for fast Base Paste:
Fast Scarlet RC-----------------------------------15 gm
Conc Hcl ---------------------------------------------14 ml
Cold water ---------------------------------------------320 ml
Sodium nitrite ------------------------------------------6gm in 15 ml water
Sodium Acetate---------------------------------------12 gm
Water ---------------------------------------------------25 ml
Acetic acid ----------------------------------------------8 ml
Starch tragacanth--------------------------------------500 gm
----------------------------------------------------------------------------------------------
Total                                =                                  1 kg

Process Sequence:

Napthol solution preparation

Padding fabric with Napthol solution

Drying

Preparation of Base printing paste

Printing Naptholated fabric with Base paste by screenor block

Colour produce

Soaping & Washing ( By 2 g/l detergent &2 g/l soda )

Drying

Printing of Polyester Fabric with Disperse Dye:

Style of Printing:
Direct style of printing

Method of Printing:
Screen printing method

Thickener Use:
  1. Guar Gum.
  2. Starch.
  3. CMC
Printing Recipe:
Disperse dye (liquid)---------------------------------------------------50-100 gm
Thickener paste --------------------------------------------------------984-790 gm
Di-ammonium sulphate-------------------------------------------------------------5 gm
Sodium chlorate-------------------------------------------------------------------1 gm
Water -----------------------------------------------------------------------------50-140 gm
----------------------------------------------------------------------------------------------------
Total                                              =                                                        1 kg

Process Sequence:

Fabric preparation

Thickener Preparation

Printing paste Preparation

Printing

Drying

Fixation ( Steaming /hot air/thermo-fixation)

Reduction cleaning

Soaping ( By 1g/l soap at 60 degree C about 15 minute)

Washing

Drying


Printing of Wool with Acid Dye:

Style of Printing:
Direct style of printing.

Method of printing;
Screen method.

Thickener Use:

  1. Gum Tragacanth
  2. British gum
  3. Gum Senegal
Print paste Recipe:
Acid dye--------------------------------------------------30 gm
Glycerine------------------------------------------------------50 gm
Water -------------------------------------------------------320 gm
Gum Senegal-------------------------------------------------500 gm (50% paste)
Acetic acid ----------------------------------------------------50 ml (40% )
Tartaric acid ------------------------------------------------------50 ml (50%)
---------------------------------------------------------------------------------------------------
Total                                 =                                               1 kg

Process Sequence:

Preparation of wool fabric

Thickener preparation

Print paste preparation

Printing

Drying

Steaming ( at 100-102 degree C about 55-60 minute)

After treatment ( washed with running water)

Drying


Conclusion:
Textiles printing means the localized application of dyes or pigment and chemicals by any method which can produce particular effect of colour on the fabric according to design. We can do it by useing different dyes and different method, on different fabric. 


Author of This Article:
Shareful Islam Palash
Uttara Engineering College, Uttara, Dhaka
Email: palash313@gmail.com
Facebook: Palash






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