What Are The Applications Of Pigments ?

What Are Pigments, And How Do They Work?

Pigments are insoluble, finely ground colorants. Selective absorption of wavelength through light transmission changes the color of pigments. They can be organic or synthetic. Used in various industries as coloring agents, they help protect from corrosion and rust. Pigments, also known as colorants, contain special properties that make them perfect materials for coloring. They also provide permanence and stability to materials.

It would be best if you did not confuse pigments with dyes. They both are entirely different. A colorant has a high tinting capacity and is stable in the non-liquid form at ambient temperature. The selection of colorant for a particular application is dependent on the cost and its usage of physical properties and attributes. The phrase rust stimulators and inhibitors have been acquired from corrosion and colorants. Rust stimulators help more corrosion, and rust inhibitors show the least corrosive action. Colorants that are present between these two groups are known as inert. Selective absorption of light takes place in colorants. Different processes of absorption happen when white light strikes a colorant molecule. Organic colorants are composed of conjugated systems of double bonds that absorb light. Light absorption takes place by electron transfer in inorganic pigments. The appearance of colorants is affected by the spectrum of the incident light. For instance, a colorant would not appear to have the same color under sunlight compared to fluorescent lighting. The color difference will appear because a different range of wavelengths is left to be reflected. The color, saturation, and other colorant properties depend on other compounds that go along it in products, such as binders or fillers. The most commonly used colorant is the green pigment. The pigment application of the green color is manifold and is used in various industries and manufacturing units.

Application Of Green Pigments

Masterbatch And Plastic Applications

The insoluble organic and inorganic particles are the colorants added to the polymer base to give color to the plastic. Apart from imparting colors to plastics, colorants also play a role in plastics' processability, sustainability, and compliance.

Exposure to sunlight and artificial lights can have adverse effects on the usefulness of plastic products. Therefore, polymers used outdoors need to be protected from UV rays. Green colorants protect the objects from the adverse effects of the sun and its harmful rays. It helps maintain the bright, radiant color of the objects made from green pigment. Transparency in colorants is achieved by lowering the size of the colorant particles as much as possible. The size reduction is achieved by surrounding particles as soon as they are formed with layers to stop crystal growth. Transparency in colorants is beneficial for printing ink colorants that require high transparency. Also, they have the added benefit of being easily dispersed.

A concentrated mixture obtained by the distribution of colors and additives is known as a masterbatch.

Use Of Colorants In The Following Types Of Masterbatch-

White Masterbatch – white masterbatch has uses in industries and manufacturing units. It is used in lamination, coating, pipe, protective film, thermoforming, fibre and non-woven, blow moulding, and injection moulding.

Black Masterbatch – black masterbatch is used in polypropylene, polyethylene, and universal carrier systems used in thin films, thick films, and more.

Color Masterbatch – color masterbatches bring significant changes in plastic resins. It also has various applications in industrial equipment for household appliances, textiles for packaging and designers, etc.

Additive Masterbatch – Additive masterbatches stop deterioration. It is used in packaging, consumer goods, automotive, building and construction, and agriculture.

Applications In Aqueous Inks

Aqueous inks are the safest, most efficient inks in the market. They are perfect for large-format printings and in offices, homes, and schools. Aqueous inks are the most superior quality inks on the market. They provide a great depth of color for everyday use. Aqueous inks are most suitable for printing on porous materials like cardboard and paper. Often blue and green colorants are used to manufacture aqueous inks. The following features of green and blue colorant help in the production of aqueous inks –

  • Distribution of fine-sized particles
  • They are highly transparent
  • Highly resistant to sunlight
  • They provide superior-quality purity

Applications For Coating

Pigment Green 7 is mostly used in coating and construction materials. The green colorant is non-toxic. The green color is used in construction materials such as paint, plastic wallboard, and bricks. The high weather ability of the green color makes it very beneficial for use in construction materials. Another great use of green colorant is in the clothing dyeing industry. The green colorant is resistant to sunlight and UV radiation. The lightfastness feature of the green pigment does not allow the material to lose its color very easily. In addition, it is also used in paints, varnishes, and ink industries. For instance, if you want to make a green color ink for a printer cartridge or to refill your ballpoint pen ink, you should choose pigment green 7. Why? The answer is that colorants used for coloring do not require brightness. They require opacity and durability. The green 7 colorants will provide you with both opacity and durability.

Other Applications Of The Green Pigment

The manufacturer of pigment green 7 colorants are used in carbonless copy paper. Furthermore, it has applications in transparent conductive films, antistatic agents, cosmetics, etc. The green colorant can easily be dispersed in water or alcohol. To make the color opaque and long-lasting, one can also mix it with other inorganic colorants, acrylic resin, or any other type of vehicle.

The green colorant has excellent brightness, hiding power, and tinting strength. It also has chemical stability and high resistance to outdoor weathering. The superb film-forming, coating, and adhesive properties make it very beneficial in various industries and manufacturing units. Without colors, our life will be dull and boring. It adds happiness and radiance to our lives and makes things aesthetically pleasing!