Post on 09-Apr-2018
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Printing Techniquesand Defects
Submitted By:
Meenal Gupta
Supriya Bag
Pooja Yadav
Vineet Kumar
Sumeet
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The printing methods like screen, roller,
heat transfer is capable of printing one
or more print types each with its own
unique properties.
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Direct Print
Discharge Print
Resist Print
Pigment Print
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In this design is printed directly onto
the white cloth or over a previous dyedfabric.
printed design must be darker then the
dyed background.
It is most common print technique.
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It is easy to recognize direct print through
its background color which is white and
printed design is a lighter shade.
The fabric is an over print if the background
color is the same shade on the face and
back.
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The background colour had been originally piece
dyed therfore the colour is richer and has great
depth.
Discharge print can be made with roller and screenmethod but not by heat transfer printing.
It is not widely used method because production is
very costly compare to direct dye.
Can be only used in high-priced lines.
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Two step process
The result is dyed background with a white
patterened area.
Printing pattern design on white fabric with
chemical or wax like resins, resist the
penetration of the dyes.
.
Piece dyeing of the fabric.
PR
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It is not a popular method.
Used where background colour in the fabriccannot be discharged.
This printing is performed as craft or handprinting such as Batik.
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Least costly type of print to produce because
Simpler to apply
Require least amount of processing because steaming
and washing are not required.
Pigments produce bright, rich color and may be
applied to all textile fiber.
Excellent fastness to light and dry cleaning.
Ex- used in drapery and curtain fabrics as well as
for apparel.
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They lose color gradually and become more
faded with each succeeding laundering or
dry-cleaning.
These prints usually show a faded
appearance after 20-30 dry-cleaning.
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Colour Drag- Colour of the print smears or smudgesfrom rubbing against an object before it becomes dry.
Colour Splatter-The print paste instead of beingplaced on the fabric is thrown or splattered onto thefabric surface.
Fuzzy Pattern - The edges of patterns are not sharp,clear lines, but are instead rather fuzzy lines. Mostfrequently caused by improper singeing orimproperly thickened print paste.
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Off-register- Printing rolls or screens improperlyaligned so pattern parts do not meet properly. Thisimperfection is also called out-of-fit or out-of-register.
Stop Mark- Colour streak across the fabric resultingfrom the printing machine being stopped during theprinting process and then starting again.
Tender Spots- In printed fabrics, one or more colours
of the print may cause weakened areas where theywere printed. Usually due to excessive use ofinjurious chemicals in the print paste. May also befound in the discharged area of discharge prints.
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Thank You!!!