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Effect Pigments guarantee brilliant performances in various
industries, mainly in the plastic processing, printing industry and the
color and coating industry. They open up an infinite array of colors and
effects that create unlimited design possibilities. The oldest
evidences that we have found about the use of Effect Pigments are the cave
paintings of the ice age people. Today, a lot variety of effect pigments
have come into existence in every aspects of our lives.
By using the effect pigments, one can get access many unique effects. These
effects include the visual world effect with a decorative look, flickering
lights and amazing effects. These pigments bring a new feeling and give new
effect to the colors with sparkle and tremulousness.
Types of Effect Pigments
All the conventional organic or inorganic color pigments come in this
category. These pigments absorb a particular wavelength of the incoming
light. These pigments don't produce any lustre, because of their irregular
Metallic Pigments comprise of very small platelets of aluminum, copper,
zinc. The formation and differentiation of opaque pigments are possible due
to these metallic pigments on the basis of the surface lustre.
Pearl Lustre Pigments
Pearl Lustre Pigments are suitable to be used in almost all of the printing
inks. They are semi-transparent. These pigments are based on guanin or
bismuth oxychloride, mica minerals. In these pigments, the light reflects in
between the different layers of the pigments. This phenomena makes these
pigments very lustre.
Optical Variable Pigments (OVP)
Optical Variable Pigments are the new addition in the group of effective
pigments group. From new substrates, like aluminum oxide and silica oxide,
these pigments have been developed
Reasons of the uses of Effective Pigments
The reasons of the uses of Effective Pigments are
beauty and designs that can be mostly seen in packaging industry, automotive
industry, electronic industry, appliances and toys and all the other fields.
To bring appreciation of beauty and product differentiation, the use of
effective pigments are very useful. The other reasons of the uses of
effective pigments are as follows:
- To call up the quality, luxury and durability in various
- The addition of special effect pigments into plastics allows
- To bestow an emotional aspect upon the products.
- To strengthen the concept of product differentiation and branding of
different product categories.
- To provide a gorgeous and attractive appearance in the materials.
- To bring sophistication and depth in the packaging process.
Transparent and Opaque effects of Effective Pigments
The special effect pigments may bring a metallic
look into plastic materials. These are lamellar flakes. The very thin
platelets of special effect pigments can be readily obtained due to their
shapes. On the basic of transparent and opaque effects of the effective
pigments, they can be classified into two more groups.
The platelets of Transparent Pigments can partly transmit light and for
this phenomena these pigments can produce a special kind of shimmery lustre.
The refractive index of these platelets is low. The figure describes the
light mechanism of Transparent Pigments. Transparent Effect Pigments have
affinity with almost all thermoplastics.
The platelets of the opaque pigments don't transmit light. These platelets
only reflect the the light and during reflection they also absorb light