Optical Brighteners, commonly known as Fluorescent Whitening Agents, serve as essential additives that enhance the visual appeal of polymers. These agents have been integral in the plastic industry for many years, effectively enhancing the color of diverse plastic materials. They possess the remarkable ability to conceal inherent yellowness in discolored polymers or introduce vibrant and distinctive hues to specialty plastic products.
Functioning on the principle of the 'fluorescence effect,' optical brighteners exhibit a unique mechanism: they absorb light within the UV spectrum and subsequently emit light in the blue region of the visible spectrum. This process results in a heightened brightness and a rejuvenated appearance in the plastic, ensuring a brighter and fresher aesthetic.
Two primary types of optical brighteners, namely bis-benzoxazolyl-stilbene and bis-benzoxazolyl-thiophene, are widely utilized in thermoplastics for their efficacy in enhancing visual properties.
Whitening agents, or optical brighteners, are indispensable in a multitude of engineering plastics, including thermoplastic polyurethanes, polyvinyl chlorides (PVC), styrene homo- and copolymers, and polyolefins, among others.
- Available in 4000+ colors with 15+ primary base colours and offers an array of attractive shades to choose from.
- The product can also be tailored to suit specific color preferences provided by the client.
