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These whitening agents absorb light in the uv spectrum and emit light in the blue region of the visible spectrum to yield a brighter and fresher appearance to the plastic. optical brighteners are used in engineering plastics like thermoplastic polyurethanes, polyvinylchlorides (pvc), styrene homo- and copolymers and polyolefins among others.

Optical brighteners, optical brightening agents (obas), fluorescent brightening agents (fbas), or fluorescent whitening agents (fwas), are chemical compounds that absorb light in the ultraviolet and violet region (usually 340-370 nm) of the electromagnetic spectrum, and re-emit light in the blue region (typically 420-470 nm) by fluorescence.these additives are often used to enhance …

6. a fluorescent pigment according to claim 4 or claim 5 wherein the cross-linker is glycerine, pentaerythritol, dipentaerythritol, or trimethylolpropane. 7. an ink containing a solvent for the ink and a pigment according to any one of the preceding claims, the solvent being such as not substantially to solubilize the pigment. 8.

We are one of the top-notch manufacturer, exporter, trader and importer of a comprehensive range of industrial inks. our range includes water base flexographic ink, water base shiner, solvent base flexographic ink, pigment emulsion paste, binding gum and paste, basic dyes and optical whitening agent that is formulated using high grade base material.we have more than …

KSN optical brightening agent for plastic for sale manufacturer with years's experience, from China.We mainly supply KSN optical brightening agent for plastic for sale with top quality and competitive value.we've a professional KSN optical brightening agent for plastic for sale product designers.Our item is by way of the national specialist certification.


KSN optical brightening agent for plastic for sale Supplier with a high organization reputation,from China.Our solutions contain:KSN optical brightening agent for plastic for sale Products are mostly exported to European nations,it truly is well-known in numerous countries.

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