1.introduction To Textile Printing a3h2u

TEXTILE PRINTING R.B.CHAVAN INSTIUTE OF TEXTILES BAHIR DAR UNIVERSITY BAHIR DAR ETHIOPIA

TEXTILE PRINTING LECTURE 1 INTRODUCTION TO TEXTILE PRINTING 2. DIFFERENCE BETWEEN DYEING AND PRINTING 3. METHODS OF OBTAINING PRINT LIKE EFFECT OTHER THAN PRINTING 4. TEXTILE PRINTING STUDY ( METHODS OF PRINTING, STYLES OF

PRINTING 5. METHODS OF PRINTING 6. APPROXIMATE PERIOD OF DEVELOPMENT OF DIFFERENT METHODS OF PRINTING 7. HERITAGE BASED TECHNOLOGIES AND SCIENCE BASED TECHNOLOGIES 8. WORLD MARKET SHARE OF PRINTING BY DIFFERENT METHODS

DIFFERENCES BETWEEN DYEING AND PRINTING DYEING UNIFORM COLOURATION ALONG LENGTH AND WIDTH OF FABRIC

ONLY SINGLE COLOUR IS POSSIBLE. NO DIFFERENCE IN COLOUR BETWEEN FRONT AND BACK SIDE OF FABRIC AQUEOUS DYEING MEDIUM OF LOW VISCOSITY DYEING IN BATCHWISE, CONTINUOUS OR SEMICONTINUOUS METHOD.

DYEING IN FIBRE, YARN, FABRIC, GARMENT FORM

PRINTING LOCALLIZED DYEING COLOUR IS APPLIED LOCALLY IN THE FORM OF DESIGN/PATTERN SINGLE COLOR OR

MULTICOLOR DESIGN

LOW VISCOSITY MEDIUM WOULD SPREAD THE COLOUR BY CAPILLARY ACTION, DOES NOT MAINTAIN THE SHARPNESS OF THE DESIGN. AQUEOUS MEDIUM OF HIGH VISCOSITY, PREVENT THE COLOUR SPREADING FABRIC PRINTING IN OPEN WIDTH FORM ONLY

FABRIC PRINTING IS MOST COMMON COMPARED TO YARN AND GARMENT PRINTING, EXCEPTION T-SHIRT PRINTING

PRINT LIKE EFFECTS WEAVING USING COLOURED YARN

KNITTING USING COLOURED YARN

APPLIQUE OR PATCH WORK

EMBROIDERY

PRINT LIKE EFFECTS TIEDYE

BATIK

PRINTING STUDY STYLES OF PRINTING DIRECT STYLE

PRINTING OF SINGLE OR MULTICOLOURS ON WHITE FABRIC

PRINTING OF SINGLE OR MULTICOLOURS ON WHITE FABRIC

PREVENTION OF COLOUR RESIST STYLE FIXATION AT THE PRINTED C PORTION W O H L I O T E R R E S I T

R E S I S T

RESIST STYLE

DESTRUCTION OF COLOUR AT DISCHARGE STYLE THE PRINTED PORTION C W O H I L T O E R D D I I S S C C H H A A G G E RESIST STYLE E

BLOCK PRINTING

SPRAY/STENCIL PRINTING

R O L L E R P R I N T I N G

MANUAL S C R E E N P R I N T I N

FLAT BED SCREEN PRINTING

ROTARY SCREEN

BATCH TRANSFER

CONTINUOUS TRANSFER

TRANSFER PRINTING

DIGITAL PRINTIN G

B A T I K

Approximate period of commercialization Method

Period

Origin

Block

Ancient

India

Roller Printing 1785

Scotland

Manual Screen 1900

England

Auto. Flat bed

1940

Switzerland

Rotary

1963

Portugal

Transfer Printing

1968



Inkjet, Xerox

1990

USA

Heritage based Technologies Block Printing Tie-dye Batik Spray/Stencil Human skill based Nation’s pride Non replaceable Unlimited life

Science based Technologies Roller printing Screen printing: Flat bed, Rotary screen printing Transfer printing Digital printing

Machine based Replaceable Limited life

PRODUCTION TECHNOLOGY TRENDS

World Production share • Rotary Screen Printing • Automatic Flat Bed • Other methods

22%

18%

60%