GAS-PHASE METHOD ALUMINA FINE PARTICLES, RESIN COMPOSITION CONTAINING GAS-PHASE METHOD ALUMINA FINE PARTICLES, AND METHOD FOR PRODUCING GAS-PHASE METHOD ALUMINA FINE PARTICLES

• Main Authors: YAMASHITA YUKIYA, SUGIURA TETSUYA, KAMATA MASAHIKO
• Format: Patent
• Language: English; Japanese
• Published: 27.07.2022
• Subjects: ADHESIVES; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS; DYES; INORGANIC CHEMISTRY; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; POLISHES; PREPARATION OF CARBON BLACK; THEIR PREPARATION OR CHEMICAL WORKING-UP; TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

To provide alumina fine particles which can suppress an increase in viscosity even when added to a base material such as a resin so that the base material such as a resin can be highly filled.SOLUTION: Gas-phase method alumina fine particles have a BET specific surface area of 20 m2/g to 200 m2/g and a bulk density of 50 g/L to 600 g/L.SELECTED DRAWING: None 【課題】本発明は、樹脂等の基材に添加しても粘度の上昇を抑制できることで、樹脂等の基材に高充填ができるアルミナ微粒子を提供する。【解決手段】ＢＥＴ比表面積が２０ｍ２／ｇ以上２００ｍ２／ｇ以下であり、かさ密度が５０ｇ／Ｌ以上６００ｇ／Ｌ以下である気相法アルミナ微粒子。【選択図】なし