Fluorescent Whitening Agents for Plastics: Techno Brief

Fluorescent Whitening Agents (FWAs) also called Optical brighteners are chemical compounds that absorb light in the ultraviolet and violet region of the electromagnetic spectrum, and re-emit light in the blue region. These additives are often used to enhance the appearance of color of fabric and paper, causing a "whitening" effect, making materials look less yellow by increasing the overall amount of blue light reflected. In this techno brief you will find about FWAs’ mode of action and their applications.

Why use Fluorescent Whitening Agent ?

Fluorescent Whitening agents are also called Optical brightener.
These additives are used in order to :
  • Brighten colors
  • Mask natural yellowing of plastics
  • Improve initial color
  • Get brilliancy of colored or black pigmented articles
These Fluorescent whitening agents work via a fluorescent mechanism which absorbs light in the UV spectrum and emits light in the blue region of visible spectrum to yield a brighter and fresher appearance.

Suggested applications are :
  • Molded thermoplastic
  • Film and Sheets
  • Fibers
  • Adhesives
  • Synthetic Leather
This additive center is designed to help you learn more about Fluorescent whitening agents, the mode of action and example of applications.

Just Click on any topic in the left column to access all the topics.

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