Dyes form an integral part of our day to
day life, they are used in clothing, shoes, printer paper and pulp,
adhesives, art supplies, beverages, ceramics, construction, cosmetics, food,
glass, paints, polymers, soap, wax, biomedicine etc., infact in everything.
Researches show that today, dyes are available in every imaginable color.
Dyes are no more just colors, they are indispensable part of many
industries. For example, they are colorant for plastics, textile etc., while
many industries use dyes for inks and tinting. Dyes can be availed in
various forms like dry powders, granules, pastes, liquids, pellets, and
chips. Dyes are mostly tailor-made to suit the specialized requirements of
different industries.
Properties:
- Resistance to heat
- Resistance to weather conditions
- Resistance to ultraviolet light (UV)
- Some products are water soluble
- Conducts electricity
- Contain reinforcing fibers
- Free from heavy metals
In the present times, pigments are used
in almost every thing. There is no industry where pigments or dyes do not
play a significant role. But, now we are faced with the challenge to
discover pigments long-lasting applications and environmental- friendly
nature. A few of the important applications of Pigments can be mentioned
below:
Paints
Pigments have varied application paint industry that includes providing
vivid colors to paints used for decorative and protective coatings, paints
that are oil and resin based, in automotive finishes, emulsion paints,
distempers etc.
Printing Inks
Pigments also find application in all kinds of printing inks, which
includes inks for printing metal foils, lacquers etc.
Leather & Textile
Pigments are used for finishes of leather and textiles. Fibers such as
nylon, silk, cotton etc., are colured using differnt types of dyes &
pigments. A pigment print paste includes an additive comprising a
diorganopolysiloxane. Heating the pigment printed textile results in
cross-linking, producing advantageous results such as improved color
fastness, improved resistance to crocking and abrasion, improved
wash-ability etc.
Coloration of Plastics
Pigments find host of applications the plastic industry such as poly vinyl
chloride(PVC), rubber and synthetic polymers, urea-formaldehyde(U-F) and
melamine-formaldehyde moulding powders polystyrene, nylons, polyfins, etc.
Coloration of Cement Glass Paints
Pigment find host of applications for coloration of cement glass paint.
These eco -friendly colors have no binders involved in them and are used for
many other applications.
Colors for Cosmetics
Pigment exhibit color strength and purity that enhances the luxurious
shades of the cosmetics. Pigments used for colors of cosmetics is based on
calcium sodium borosilicate and are coated with titanium dioxide and iron
oxides.
Coloration for Papers
Pigment dispersions are specially developed and designed for some very
diverse applications like coloration of paper pulp, tissue papers,
insulation material coloring etc. These dispersions are Eco-friendly, with
no binders and are APEO free.