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Use Metal Complex Dye for Coating or Stationery Printing .pdf


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Use Metal Complex Dye for Coating or Stationery Printing
Metal complex dye is used for a variety of applications. The main application is dying the materials like
stationery printing inks, wood stains, leather finishing, inks, and coloring for plastics and metals. Highly
effective anticorrosive pigments are best suited to direct-to-metal, industrial or automotive coating for
metal applications.
Metal complex dyes are known as pre-metalized dyes that show a great affinity towards protein fibers.
Commonly metal complex dye is Chromium or Cobalt complexes. One of the popular metal complex dyes is
1:2 metal-complex dyes that find application for dyeing polyamide fibers. Metal complex dyes are the most
favored for dyeing wool.
Generally, metal-complex dyes do not belong to a particular application dye class. However, metal complex
dye belongs to numerous application classes of dyes. Direct, acid, and reactive dyes are where they are
found generally.
Metal complex dye is used in pH conditions,
when applied in the dying process that is
regulated by user class and the type of fiber like
wool, polyamide, etc. For the fiber like wool the
pH levels typically range from:
 Strongly acidic -ranges from 1.8 - 4 for 1:1
metal complex dye
 Moderately acidic neutral - ranges from 4
- 7 for 1:2 metal-complex dyes
The dye molecules can contain additional groups
like hydroxyl, carboxyl or amino groups as they
are typically a monoazo structure. The metal
complex dye can form strong co-ordination
complexes with transition metals like Chromium,
Copper, Nickel, and Cobalt.
Excellent Features of Metal Complex Dyes





Light-fastness
Medium washing fastness
Shows very good penetration characteristics and level dyeing
Shows excellent cover up for the irregularities in the substrates

Usually insoluble, pigments are colored, organic or inorganic solid powder. Pigments do not get affected
chemically or physically if they are incorporated into the substrate. You can get the full range of colors with
low price inorganic pigment. They have a variety of applications including plastics, ink, and coating
applications.

Features of Low price inorganic pigment
The versatile coloring agent low price inorganic
pigment has Few are the striking features given
here:










Excellent light and weather fastness
Superb baking stability makes them
suitable for automotive and other
industrial paints
High tinting strength
Easily dispersible
Excellent spray fastness when applied in
paints
Shows heat stability of around 300° C in
the case of Polyolefins Plastics
Excellent solvent resistance properties
Uniqueness of shades

Source Link: https://goo.gl/zMse33


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