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Role of Optical Brightener Masterbatches To Give Plastic Products A Luminous Appearance: Insight By JKP Masterbatch


Fluorescent whitening agents also known as optical brightening masterbatches, are a common product of the masterbatches industry. Whiteness and brightness are often enhanced by this material in plastic-based products. JKP Masterbatch unleashes the benefits and possibilities of this additive?

Compounds produced as masterbatch are usually solid pellets or liquid solutions but can on occasion be solids. The material is constructed of plastic compound CaCO3 (or similar fillers, most of which come in powder form), plastic color, and other additives. In order to make these granules, they are heated until they melt into an even solution, which is then cooled and cut into granules. Additives such as this material serve three purposes: reducing the need for primary plastics, coloring plastic products, and imparting functional properties. These functions have likewise led to a division of the masterbatches into 3 major categories: 

  • Calcium Carbonate Filler
  • Color Masterbatch
  • Additive Masterbatch
JKP Masterbatch Optical Brightener Masterbatches: Usage

A masterbatch for optical brightening (OB) enhances the brightness, cleanliness, and whiteness of a product. Optical brighteners absorb light in the violet and ultraviolet spectrums (340 -370 nm) and re-emit it in the blue region (420 -470 nm). It makes the color you see appear more blueish, as the fluorescent mechanism masks the effects of the color yellow.

In order to bring about these properties, special brightener chemicals were added to the base resin. Diphenol vinyl-dibenzoxazol (C22H12N2O2) is one of the most common chemicals. Brighteners are added in small amounts to masterbatches, usually less than 5%. OB1 (1%), OB2 (0.5%), and OB3 (0.25%) are some of the recommended dosages. 

Usually, in the form of yellowish pellets, optical brightening masterbatches appear.

Reasons To Need Optical Brightener Masterbatches

Manufacturers can create a bright, white look with other methods besides optical brighteners. This can also be accomplished with the use of white masterbatch or other plastic colors. A white masterbatch product is usually not considered a desire. Many factors make it difficult to produce a perfectly white product. Because there are many different types of a resin base, finding the right colorant will be tricky. Additionally, processing can cause strange substances to appear in the mix. Such substances may have an adverse effect on the final product. A color masterbatch only displays the desired color in adequate light conditions, for instance. The optical brightener outperforms color masterbatch by ensuring that colors are visible in dark or light-deficient environments.

Benefits Of Optical Brightener Masterbatches

Optical brightener is advanced in various aspects. Optical brightening additive has the following properties:

  • Gives a blue-purple tint
  • Enhance radiance of colored articles
  • Contain high concentrations of brighteners
  • Enhance optical properties
  • Make finished products more appealing
  • Give glossy, smooth surfaces to films
  • Make plastic masterbatches more processable
  • Makes recycled polymers whiter
  • Enhance the initial color
Applications Of Optical Brightening Masterbatches

In agricultural applications such as film, cast, sheets, and raffia, optical brightening masterbatches are highly recommended. Plastic fibers and thermoplastic molded parts are also made with optical brighteners. Different methods can be employed to modify and shape optical brighteners found in masterbatch, depending on their intended use. Extrusion molding is commonly used to manufacture flexible packaging. Aside from injection molding, blow molding, and film casting, extrusion is also used to produce healthcare and hygiene products.

The most popular base resin for optical brightening agents is PE. We are, however, always ready to create a special optical brightening masterbatch according to your exact specifications. Other than PE plastic, optical brighteners are also used to help other plastics such as LD, LLDPE, PP, PS, PET, ABS, PVC, Nylon, etc., be whiter and brighter in color. 

Why JKP Masterbatch Is The Right Choice For Optical Brightener Masterbatches?

JKP Masterbatch is one of the leading manufacturers and exporters of white, black, colored, additive and special masterbatches in India. JKP masterbatch is dedicated to providing its customers with a high-quality product & services. Located in Bahadurgarh, next to Delhi, the capital city of India, JKP Masterbatch’s manufacturing plant utilizes modern technology and offers a highly flexible production system. This allows us to handle even small orders and special requests quickly and efficiently. Additionally, the company has a fully equipped laboratory where the latest products are developed and quality control is ensured according to the strictest specifications. We have a dedicated unit for additive masterbatch with approximately 2500 tons annual production just for additive masterbatch.