Takahiro Oki

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An Ultra-Low-Reflectance Structural Black Pigment and the Optical Behavior of Its Coating Films

August 14, 2026

A sea-urchin-like bismuth sulfide pigment combines ultra-low visible reflectance, near-zero gloss and selective near-infrared reflectance in thin coatings.

ON DEMAND: EPA published a regulation proposal around N-methylpyrrolidone (NMP) in June 2024 to ban or limit NMP in many applications, such as paints and coatings and their removers. N-butylpyrrolidone (NBP) is a powerful and versatile solvent for a variety of industries looking for alternatives to substance of very high concern (SVHC)-listed solvents.

The Coatings Trends & Technologies (CTT) Summit is an annual conference for both liquid and powder coatings formulators and manufacturers to discuss innovations in coatings technology. This event combines high-quality technical presentations, a resource-rich exhibit hall, and dedicated networking opportunities to connect scientific minds, foster innovation, and cultivate game-changing new ideas!

Takahiro Oki

ARTICLES

An Ultra-Low-Reflectance Structural Black Pigment and the Optical Behavior of Its Coating Films

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