Surface-coated flame-retardant particle and method of producing the same, and flame-retardant resin composition and method of producing the same

• Main Authors: MIYAMOTO TSUYOSHI, OKOSHI MASAYUKI
• Format: Patent
• Language: English
• Published: 25.10.2011
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

A surface-coated flame-retardant particle comprising a flame-retardant grain and a coated layer provided on a surface of the flame-retardant grain, wherein the coated layer comprises an organic compound or a polysilicone, the flame-retardant grain comprises a metal hydrate and has a volume average particle diameter of 1 to 500 nm, and the metal hydrate comprises Mg and at least one of Ca, Al, Fe, Zn, Ba, Cu, and Ni. Also provided is a flame-retardant resin composition comprising the surface-coated flame-retardant particle.