In recent years, China’s production and research of fluorescent brightener for polymers have developed rapidly. Currently, eight major varieties are in commercial production. These brighteners mainly fall into three structural categories:

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The dosage of Fluorescent Whitening Agents (FWAs) or Optical Brighteners (OBAs) in polymers is a crucial factor that determines the final whitening and brightening performance. The correct amount ensures optimal whiteness, transparency,...

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Fluorescent brighteners (optical brighteners) play a crucial role in improving the whiteness and brightness of polymer-based products such as plastics and synthetic fibers. These additives work by converting invisible ultraviolet (UV) light...

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The performance of optical brightener (OBA) plays a vital role in achieving bright, clean, and high-quality textile finishes. However, even the best-performing brightener cannot deliver optimal results if it is not applied...

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Coumarin optical brighteners are the third largest class of optical brighteners. The chemical structure of coumarin is shown below.

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What Are Fluorescent Whitening Agents? Fluorescent whitening agents (FWAs), also called optical brighteners or fluorescent brighteners, are colorless fluorescent dyes that absorb ultraviolet (UV) light and emit visible...

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The applications and global market volume of fluorescent whitening agents Fluorescent whitening agent are widely used in plastics, detergents, soaps, papermaking, synthetic fiber spinning, textile printing, and dyeing industries....

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The best choice of optical brightener for acrylic fiber is BAC-L. It is a cationic dye with a transparent brown liquid appearance. Here is a brief introduction to its chemical properties:

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OBA can be used in food contact materials under restrictive regulations in actual processing. In China, the national food safety standard for food contact...

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