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Introduction to Printing (TE-244)
By:
Khalil Azher
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Printing
Printing is designing ofmulti-colored patternon textile material by using printing paste.
OR
Applying coloured patterns and designs todecorate a finished fabric is called
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Printing paste
The printing paste is an emulsion of dye,thickener and hydrocarbon solvent and
surface active agent.
The uniform consistency of the printing pasteis referred to as its viscosity (the ease with
which the paste flows).
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Stages in Pigment Printing process
1. Preparation of Design (Block, roller, Screen, Heattransfer)
2. Preparation of Printing paste
3. Actual Printing (making an impression of the paste
on fabric )4. Drying of printing paste
5. Fixation as After treatments
6. Soaping & Washing
7. Drying
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Methods & Machines of Printing
1. Block or Stencil printing
It is the oldest technique of printing in which wooden ormetallic block build up into a complete design over thefabric area. Many separate blocks can be used for separate
color.In stencil printing, pieces of marked pattern is cut out of thepaper or metal sheet, this stencil sheet is laid on the fabricand colored paste is brushed or sprayed over it, a separatestencil can used for each color
Wooden/Rubber /metallic block,
Paper or metal stencils
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Block Printing
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Methods & Machines of Printing
2. Roller Printing
Engraved roller printing
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3. Screen Printing
Flat screen printing
Rotary screen printing
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Different Styles of Printing
Direct style: In direct style, dyes are printed directly at the requiredplace of the fabric with multicolored design.
Discharge Style: Fabric is first dyed and then printing with a pastecontaining a discharging agent ,thus white or colored effect can beproduce on colored ground.
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Resist Style: First a resisting agent is printedon white fabric and then fabric is dyed.
Special Styles: Transfer printing style/ Burnoutprinting style
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