1. It can be described as a localized form of dyeing, applying colorant to selected areas of the fabric to build up the design. Textile printing, like textile dyeing, is a process for applying color to a substrate. Binder must be used to apply the pigment dye on the fabric.
Pigment inks contain the colour ( pigments ), a binder to attach the ink to the fabric, and water to carry it around. In reactive printing, the fabrics are pre-coated before printing. After printing the fabric is steamed, creating a reaction that dyes the fibers right through. The fabric is then laundered and ironed.
Pigments are kinds of insoluble colorants used for fibers, plastics and other polymeric materials, which can retain stable chemical structure throughout the coloration process in its dispersed solution . The pigments were obtained from mineral materials, vegetable materials, animal waste materials since 1200 BC.
Dyes and pigments are substances that impart color to a material. Dyes are much finer than pigments. Therefore dyes are not UV stable whereas pigments are usually UV stable. Dyes, also known as colorants in which the coloring matter is dissolved in liquid, are absorbed into the material to which they are applied.
The main advantage of pigmented inks: Once they set up fully on the print media they are virtually water proof The ink is less susceptible to bleeding and wicking on the paper fibers. For all accounts pigment inks appear to be 100% permanent when printing on fabric with no post treatment.
Pigment ink is found in top-end photo printers, capable of high quality output onto a variety of media. It also has durable output as pigment inks don’t smudge and are lightfast- ideal for photos that will be on display.
UREA (CODE 2015) * UREA IS WIDELY USED WHEN DYEING PROCION OR ACID DYES IN SMALL QUANTITIES OF WATER OR WHEN PRINTING OR PAINTING WITH PROCION OR ACID DYES. * THE EFFECT OF THE UREA IS TO INCREASE THE SOLUBILITY OF THE DYES IN WATER AND THEREBY ENHANCE THE BRIGHTNESS AND INTENSITY OF THE DYES USED.
The four main methods of textile printing are block, roller, screen, and heat transfer printing. In each of these methods, the application of the colour, usually as a thickened paste, is followed by fixation, usually by steaming or heating, and then removal of excess colour by washing.
What Are The Different Printing Methods Available? Offset Lithography. Flexography. Digital Printing. Large Format. Screen Printing. 3D Printing. LED UV.
Chlorophyll, which gives a green color to plants, and hemoglobin, which gives blood its red color, are examples of pigments. Pigment is to take on color. An example of pigment is when your face blushes red with embarrassment.
Major plant pigments and their occurrence
|Carotenoids||Carotenes and xanthophylls (e.g. astaxanthin)|
|Flavonoids||Anthocyanins, aurones, chalcones, flavonols and proanthocyanidins|
|Betalains||Betacyanins and betaxanthins|
Pigment Wash: The technology used to customize the garment’s outlook, appearance, comfort, and fashion is called garment washing. Pigment wash is usually done on dyed or printed pigment garments using the pigment – washing technique. After applying pigment wash light fading effect is produced in the garment.
Pigments are used in paints, inks, plastics, fabrics, cosmetics, and food, to name a few examples. They are often better than dyes at keeping their color for many centuries and for withstanding high heat, intense light, and exposure to weather or chemical agents.
Dye ink uses colour substances that are dissolved in a liquid while pigment ink uses small colour particles that are held in a suspension. It is hard to tell the difference between dye and pigment ink when comparing quality not looking side by side. All inks, whether dye or pigment, will begin to fade over time.
Inorganic pigments are made by relatively simple chemical reactions—notably oxidation—or are found naturally as earths. Pigments are insoluble particulate materials that provide colour, opacity, gloss control, Inorganic pigments include white opaque pigments used to provide opacity and to lighten other colours.