It is a cross-linked polyurethane microparticle with excellent flexibility. It contributes to stress relief in rigid resins.
Dynamic beads are urethane microparticles synthesized through a suspension polymerization reaction. They are spherical in shape with a particle diameter on the order of micrometers, and it is possible to adjust their composition, hardness, and particle size. 【Features】 - High flexibility and resilience of urethane - Sharp particle size distribution - Stress relaxation in rigid resins, low warping, and prevention of cracking during processing - Excellent dispersibility in various organic solvents - High heat resistance and humidity reliability due to cross-linked microparticles - Light diffusion properties - Matte finish
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【Product Lineup】 By particle size: 3, 5, 7, 15 μm *Products are available without the use of organotin and in biomass grade. *Special grades and customized products are available, so please contact us if you are interested.
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Applications/Examples of results
・Printed circuit board ・For light diffusion film ・Carbon fiber reinforced plastic (CFRP) ・Decorative film ・Various paints, etc.
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Everywhere in the world, spaces and objects are adorned with color. Dai Nippon Ink & Chemicals not only provides pigments that serve as the foundation for "color," but also offers a range of "products" tailored to coloring needs, including colorants, inks, coatings, and pigment dispersions. Furthermore, Dai Nippon Ink & Chemicals has received high praise for its development capabilities in functional materials and synthetic resins, which are said to be "convenient if such materials are available!"