Style of transfer printing

Transfer printing is the term used to describe textile and related printing processes in which the design is first printed on to a flexible non-textile substrate and later transferred by a separate process to a textile.

1. 1
BAHIR DAR UNIVERSITY
Ethiopian Institute of Textile and Fashion Technology
“Advanced coloration”
Sminar: Recent Developments in transfer printing
Prepared By:-BerihunGashu(MSc in TC)
May , 2021 G.C.
Submitted to:-Dr.K MurugeshBabu

2. Out line

3. Introduction
oTheprintingisdescribedaslocalizeddyeing,dyesorpigmentareapplied
locallyordiscontinuouslytoproducethevariousdesigns.
oPrintingistheproductionofallactivedesignswithwelldefinedboundaries
madebytheartisticarrangementofamotifisoneormorecolors.
oPrintingisaprocessforreproducingtextandimage,typicallywithinkon
paperusingaprintingpress.

4. What is Transfer Printing?
oItisthetermusedtodescribetextileandrelatedprinting
processesinwhichthedesignisfirstprintedontoaflexiblenon-
textilesubstrateandlatertransferredbyaseparateprocesstoa
textile.

5. Why Transfer Printing?
oDesignsmaybeprintedandstoredonarelativelycheapand
nonbulkysubstrate.
oTheproductionofshort-runrepeatorders.
oManycomplexdesignscanbeproducedmoreeasilyandaccurately
onpaperthanontextiles.
oEnabletextileprintingtobecarriedoutusingsimple,relatively
inexpensiveequipmentwithmodestspacerequirements,without
effluentproductionoranyneedforwashing-off.

6. Advanced styles of transfer textile printing
oTransferPrinting
SublimationTransfer
MeltTransfer
FilmReleaseTransfer
WetTransfer

7. 1. Sublimation/Vapor-Phase (dry transfer printing)
oDuringthesublimationprintingprocess,animageisdigitally
printedinreversewithsublimationtonersorinksontomedia.
oThatimageisthenplacedontopofafabricandsubjectedtohigh
heatandpressuretoformaheatpress.
oThesublimationtonersorinkssublimate–theinksgofromasolid
statetoagaseousstatewithoutbecomingliquidinbetweenand
flowintothefabric,dyeingthethreads.

9. Equipment needed for Sublimation Transfer Printing
oAdyesublimationprinter
oSublimationpaper
oPhotoprocessingsoftware
oAheattransferpress
oAdigitalcameraorscannertotransferdesign

10. Yarn type used for sublimate transfer printing
oItishigh-recommendedthat100%Polyestergarmentsareusedfor
sublimationprinting.
o100%polyesterisbestforavibrantdesignresultinginano-loss
imageresolution.
oPolyesterblendfabrics;suchasour65%Polyester/35%Cotton
Blend;canalsobeusedbutwillresultinaretro/vintagelook.

11. 1.Dyesublimationisdoneusingadigitalimage,adyesublimation
printeranddye.
2.Theimageistransferredtodyesublimationpaperandtheinkis
transferredtothefabric.
3.Theimageretainthedigitalqualityispermanentlyembeddedinto
thefabric.
How it is done?

12. Conti….

13. Sublimation Transfer printed products

14. 2. Melt/Heat Transfer printing
oThedesignisprintedonpaperusingawaxyink,andahotiron
appliedtoitsreversefacepressesthepaperagainstthefabric.
oTheinkmeltsontothefabricincontactwithit.
oThiswasthebasisofthefirstcommerciallysuccessfultransfer
process,knownasStarprinting,developedinItalyinthelate1940s.
oItisusedintheso-called‘hot-split’transferpapersextensively
usedtodayingarmentdecoration.

15. Melt Transfer printing process
1.Theinklayerofthetransferisbasedondyesandwaxes.
2.Theinklayerisembeddedinthefabricbymeltandpressure,and
partoftheinkistransferredtothefibersandthenpost-treated
accordingtothepropertiesofthedye.
3.Whenitemployed,alargepressureisrequiredandthetransferrat
ofthedyeincreasesasthepressureisincreases.

16. Yarn type used for melt Transfer printing
oMelttransferprintingprocesscouldbeusedtoprintarangeof
naturalandsyntheticfabricswithappropriateselectionofdyesand
chemicalauxiliaries.

17. 3. Film Release Transfer printing
oItissimilartomelttransferwiththedifferencethatthedesignis
heldinaninklayerwhichistransferredcompletelytothetextile
fromareleasepaperusingheatandpressure.
oAsthenameimplies,filmreleasedepositstheprintedimageasa
virtuallycoherentfilmonthetextilematerial.

18. Film Release Printing Working Process
1.Adhesionforcesaredevelopedbetweenthefilmandthetextile
whicharestrongerthanthosebetweenthefilmandthepaper.
2.Theprocesshasbeendevelopedfortheprintingofboth
continuouswebandgarmentpanelunits,butisusedalmost
exclusivelyforthelatterpurpose.
3.Incommercialimportanceitiscomparablewithsublimation
transferprinting.

19. Conti….

20. Film Release Transfer printed product

21. What is Wet Transfer Printing?
oTheprinciplebehindwettransferprocessesistheuseofwateras
themediumthroughwhichdyediffusesinpassingfromthepaperto
thefabric.
oWater-solubledyesareincorporatedintoaprintinginkwhichisused
toproduceadesignonpaper.
oThedesignistransferredtoamoistenedtextileusingcarefully
regulatedcontactpressure.
oThedyetransfersbydiffusionthroughtheaqueousmedium.

22. Wet Transfer printing process
1.Printingtherequireddesignonaselectedgradeofpaper,using
speciallychosendyesdispersedinasuitablepaperprintingmedium.
2.Impregnatingthefabricwithanaqueoussolutionwhichmaycontain
adyefixationcatalystandathickener.
3.Bringingtheprintedpaperandtheimpregnatedfabricintoclose
conformity,byapplyingpressure,andmaintainingthisconformity
underpressureforaperiodtime.

23. Yarn type used for wet Transfer printing
oWettransferprocessesweredevelopedforprintingwoolwithacid
orreactivedyes.
oMostlyusedforfullyfashionedknittedwoollengarmentpanels.
oForcottongoodsandmaybeeffectivelyusedforwoolblends,nylon
andacrylicfabrics.

24. Advantages of Transfer Printing
oItgivesgoodprintsonwellpreparedknittedgoods.
oNoadverseeffectonfabric’sfeelandluster.
oItallowsexcellentdyepenetrationintothefiber(becausetransfer
takesplaceatveryhightemperature).
oSteaming,Washing,dryingetcarenotnecessary.
oQuickerreactiontochangesinfashions.

25. Disadvantages of Transfer Printing
oThereissomerestrictionoftheproductionofdeepshade
oHightempandpressureisrequired
oOnceprintedcannotbecorrected
oOnlylimiteddyestuffcanbeusedfortransferprinting
oLowerproductionspeedduetoexistingtransfercalendars
oStorageoflargequantitiesofpaperoverprolongedperiodoftimeis
arisk.

26. oIntextileapplicationthetransferprintingisoneoftheadvanced
methodssincetheprintingprocessisperformedwithoutsteaming,
washing,drying,itsquickerreactiontochangesinfashionsandfast
deliverytimeofresponseforcustomer's.
conclusion

27. 1.Leslie, W.C., 2003.Textile printing. Society of Dyers and Colourists.
2.Moltchanova, J., 2011. Digital textile printing.
3.El-Kashouti, M., Elhadad, S. and Abdel-Zaher, K., 2019. Printing technology on textile fibers.
Journal of Textiles, Coloration and Polymer Science, 16(2), pp.129-138.
4.https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.ebay.com%2Fitm%2F263
281477361&psig=AOvVaw1gPPX7Kz4rrYOua8pZJtE3&ust=1620979307537000&source=ima
ges&cd=vfe&ved=2ahUKEwj5juTPmMbwAhUFweAKHRS3BLYQjhx6BAgAEA4
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3Fv%3DSbHZGAtRTNA&psig=AOvVaw3ifGebYFvOC2GFSBP4NHAb&ust=1620979327133000&
source=images&cd=vfe&ved=2ahUKEwjckpDZmMbwAhXH1-AKHcKfAlwQjhx6BAgAEA4
6.https://textilelearner.net/steps-of-wet-transfer-printing-process/
7.http://drysublimation.blogspot.com/2017/08/dye-sublimation-printing-technology-
and.html
8.https://en.wikipedia.org/wiki/File:Thermal_Transfer_Printing.png
9.https://www.intechopen.com/books/hybrid-nanomaterials-flexible-electronics-
materials/smart-manufacturing-technologies-for-printed-electronics
References

28. Thank you for
your attention!!!