Technical Articles
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Why Do White Plastics Turn Yellow? The Synergy Between Optical Brighteners and Antioxidants
White plastic profiles, packaging materials, films and molded products may gradually turn yellow during processing, storage or outdoor exposure. This discoloration is not always caused by surface contamination. In many cases, it is related to polymer oxidation, UV exposure, residual catalysts, ad...Read more -
Optical Brightener KSN: Applications, Benefits and Selection Guide
Introduction Choosing the right optical brightener is essential for achieving the desired whiteness and appearance in plastics and synthetic fibers. During high-temperature processing, the selected whitening agent must also be compatible with the substrate and processing conditions. Optical Brig...Read more -
CBS-X Granules vs. CBS-X Powder: Which Is Better for Detergent Production?
Introduction Choosing the right form of Optical Brightener CBS-X can affect raw material handling, production efficiency and formulation performance. Both granular and powder forms are used in detergent applications, but they may differ in dust generation, flowability, dissolution behavior and ac...Read more -
Why Are CBS-X Granules Becoming Popular in the Detergent Industry?
CBS-X is a widely used optical brightener in laundry detergent formulations. In recent years, granular forms have attracted attention from detergent manufacturers because of their handling advantages and suitability for production processes. So, what makes CBS-X Granules a practical choice for de...Read more -
How Do Optical Brighteners Work? Working Principle and Applications
Optical brighteners, also known as fluorescent whitening agents (FWAs), are widely used to improve the perceived whiteness and brightness of various materials. They are commonly used in detergents, plastics, textiles, paper, and selected coatings and ink formulations. But how do optical brightene...Read more -
How Much Optical Brightener KSB Should Be Added to Calcium Carbonate Filler Masterbatch?
Calcium carbonate filler masterbatch is widely used to reduce material cost and modify the processing or appearance of plastic products. However, when the calcium carbonate itself has a noticeable yellow tone or insufficient whiteness, the finished masterbatch may appear dull or slightly yellow. ...Read more -
How to Choose an Optical Brightener for Liquid and Powder Detergents
Optical brighteners are widely used in laundry detergents to help maintain the bright, clean appearance of white and light-colored fabrics. However, selecting an optical brightener for a liquid detergent is not exactly the same as selecting one for a powder detergent. The detergent format, concen...Read more -
How to Choose an Optical Brightener for Paints, Coatings and Printing Inks
Optical brighteners can be used in paints, coatings and printing inks to improve visual whiteness, compensate for unwanted yellow tones and enhance the brilliance of white or light-colored systems. However, choosing a suitable optical brightener involves more than simply comparing fluorescence st...Read more -
Disulfonated vs Tetrasulfonated vs Hexasulfonated Optical Brighteners for Paper
When selecting an optical brightener for papermaking, customers often compare products according to concentration, whiteness performance and price. However, another important technical factor is the degree of sulfonation. Many common stilbene-based optical brighteners used in the paper industry c...Read more -
How to Choose an Optical Brightener for Paper: Pulp, Size Press or Coating?
Optical brighteners are widely used in papermaking to improve paper whiteness and brightness. However, selecting a suitable optical brightener is not simply a matter of choosing the product with the highest whitening strength. One of the most important questions is: Where will the optical bright...Read more -
How to Choose an Optical Brightener for Cotton and Cellulosic Fibers
Optical brighteners are widely used to improve the whiteness and brightness of cotton and other cellulosic textiles. However, different optical brighteners can behave very differently on the same fabric. The most suitable grade should not be selected only according to maximum whiteness. Factors s...Read more -
How to Choose an Optical Brightener for Polyester and Synthetic Fibers
Optical brighteners are widely used in polyester and other synthetic fibers to improve whiteness, brightness and the visual appearance of finished textiles. However, selecting a suitable optical brightener is not simply a matter of choosing the product with the strongest fluorescence. Different t...Read more