Method for producing polyvinylidene difluoride particles, and polyvinylidene difluoride particles

• Main Authors: Saito Makiko, Asano Itaru, Wakahara Yoko, Echigo Yuji, Takezaki Hiroshi
• Format: Patent
• Language: English
• Published: 20.03.2018
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING-UP

Provided are: fine vinylidene fluoride resin particles which are solid and have an average particle diameter of 0.3 μm or more but less than 100 μm, a particle diameter distribution index of 1-2, a repose angle of less than 40°, and an average sphericity of 80 or more said fine vinylidene fluoride particles being suitable for coating materials and coating applications; and a method for producing the fine vinylidene fluoride resin particles.