"Hollow particles have void space in their body. A lot of varieties of hollow particles are sold. Diameters varies from 20μm to several mm, and hollowness ratio is 40-60%. Hollow particles are lightweight and void space prevent heat conduction, so they are widely used as insulation coating of building and roof, and as weight reduction filler for concrete products.
As environmentally friendly and low-energy products are desired in recent years, There is a strong demand for hollow particles with much smaller size, and much higher hollowness ratio."
As environmentally friendly and low-energy products are desired in recent years, There is a strong demand for hollow particles with much smaller size, and much higher hollowness ratio."
Features of hollow particles
Target for functional hollow particles development
In addition, while more smaller and more superior parts are required in automobile and mobile-devices field, more thinner coating is required. In order to meet the needs of these fields, we have developed functional hollow particles with average particle diameters of 1 to 10μm and hollowness ratios of 70% to 80%."
Features of functional hollow particles (example)
Appearance of functional hollow particles
Our functional hollow particles have dense surfaces and are pore-free. They are strong, despite of high hollowness ratios and thin shells. We synthesizing method use inorganic salt solutions. We can apply this method to a variety of inorganic oxide hollow particles.
Our functional hollow particles can be used as thermal insulation/shielding filler and sound insulation/soundproofing filler, in fields of automobiles and mobile devices. We are working towards the early commercialization of these new products.
출처: https://www.taiheiyo-cement.co.jp/english/rd/particles/overview/index.html
