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Improving black pigment dispersion: The revolution of UBEDISP® Hyperdispersants

In the world of UV inkjet inks, efficient pigment dispersion is key to ensuring high print quality and product stability. Black pigments, such as carbon black (PBk-7), present a particular challenge due to their tendency to agglomerate, increasing viscosity and affecting ink ejectability. To overcome these challenges, UBE has developed an innovative solution: UBEDISP® hyperdispersants.

PBk-7 is commonly used in black inks due to its high tinting strength, but its high specific surface area requires more energy for efficient dispersion. This can result in inks with high viscosity, complicating the inkjet printing process. Additionally, the small particle size can cause stability issues, such as sedimentation or nozzle clogging.

UBEDISP® hyperdispersants are specifically designed to address these challenges. These additives significantly reduce inter-particle interactions, resulting in low-viscosity and highly stable formulations. UBEDISP® E1028D has proven particularly effective, providing inks with excellent filtration capability and thermal stability, even after exposure to high temperatures.

Thanks to UBEDISP® hyperdispersants, ink formulators can produce high-quality UV inks with low solids content, ensuring efficient dispersion of PBk-7 and optimizing the performance of inkjet printers. These advancements not only improve print quality but also enhance ink reliability and longevity. For more detailed information about UBEDISP® Hyperdispersants, please fill out the form to download our PDF!

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Japan, Korea
Other countries in Asian Region
EMEA/ATLANTIC

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AIRBLOWN
MONOFILAMENT

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EXTRUSION

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MONOFILAMENT

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EXTRUSION

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