TRANSFER PRINTING

1
TRANSFER PRINTING

• TRANSFER OF DESIGN FROM ONE SUBSTRATE TO ANOTHER
• FIRST SUBSTRATE PAPER
• SECOND SUBSTRATE FABRIC

2
CONVENTIONAL PRINTING

• SEQUENCE
• PRINTgt DRY gt DYE FIXATION gt WASH gtDRY
• EQUIPMENTS
• PRINTING MACHINE
• HOT AIR DRYER/DRYING CYLINDER /STENTER
• DYE FIXATION STEAMING/DRY HEAT
• STEAMER ATMOSPHERIC, PRESSURE, HIGH TEMPERATURE
• DRY HEAT STENTER
• WASHING OPEN SOAPER, JIGGER, WINCH
• HIGH CAPITAL INVESTMET
• LARGE SPACE

3
TRANSFER PRINTING

• DEVELOPED IN 1968 FOR PRINTING POLYESTER
• SEQUENCE
• PAPER PRINTING gt DRYING gt TRANSFER OF DESIGN FROM
  PAPER TO FABRIC
• EQUIPMENTS
• PAPER PRINTING MACHINE
• TRANSFER PRINTING MACHINE
• LOW CAPITAL INVESTMENT
• SMALL SPACE REQUIREMENT

4
ADVANTAGES

• IDEAL FOR PRINTING GARMENTS
• NO SECONDS DUE TO PRINTING FAULTS
• NO WASHING AFTER TRANSFER
• LOW CAPITAL INVESTMENT
• LOW SPACE REQUIREMENT
• NO SPECIAL SKILL REQUIRED
• LOW ENERGY AND WATER CONSUMPTION
• FREE FROM POLLUTION PROBLEM

5
TRANSFER PRINTING METHODS

• SUBLIMATION TRANSFER
• MELT TRANSFER
• FILM RELEASE TRANSFER
• WET OR MIGRATION TRANSFER

6
SUBLIMATION TRANSFER

• DYE DISPERSE DYE
• FIBRE POLYESTER
• SELECTED DISPERSE DYES CAN BE USED FOR PRINTING
  NYLON AND ACRYLIC
• METHOD NOT SUITABLE FOR PRINTING COTTON, WOOL
  AND SILK WITHOUT CHEMICAL MODIFICATION OF FIBRE

7
DISPERSE DYE

• SUBLIMATION TEMPERATURE 180-2000C
• GOOD AFFINITY TO FABRIC TO BE PRINTED
• NO AFFINITY TO PAPER
• GOOD FASTNESS PROPERTIES
• SIMILAR RATE OF VAPORIZATION WHEN USED IN MIXTURE

8
PAPER

• BLEACHED CRAFT PAPER
• CLAY COATED
• WEIGHT 45-70 gsm
• pH NEUTRAL
• NO METAL CONTAMINATION
• GOOD INITIAL STRENGTH
• GOOD STRENGTH RETENTION AFTER HEAT TREATMENT

9
PAPER PRINTING METHODS

• BATCH PRINTING
• SCREEN PRINTING
• LETTER PRESS PRINTING
• LITHO OR OFFSET PRINTING
• CONTINUOUS PRINTING
• GRAVURE PRINTING
• FLEXOGRAPHIC PRINTING
• ROTARY SCREEN PRINTING

10
PRINTING INK

• COMPOSITION
• DISPERSE DYE (PURE, COMMERCIAL)
• MEDIUM (WATER, SOLVENT)
• THICKENER (WATER SOLUBLE, SOLVENT SOLUBLE)
• THEMOPLASTIC ADHESIVE TO MAINTAIN FIRM CONTACT
  BETWEEN PAPER AND FABRIC DURING TRANSFER

11
BATCH TRANSFER PRINTING MACHINE
12
CONTINUOUS TRANSFER PRINTING MACHINE
13
MELT TRANSFER
14
FILM RELEASE TRANSFER