SURFACE-COATED PARTICLES

SURFACE-COATED PARTICLES

The present invention relates to a surface-coated particle in which a portion or all of the surface of a particle (A) is coated with a surface treatment agent (B), wherein a dynamic friction coefficient of the surface-coated particle is 0.50 or less, when a 5% by mass ethanol dispersion of the surfa...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ASANO, Moeko, ISHIYAMA, Shogo, TAKAI, Masanori, TEZUKA, Hikaru
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
HUMAN NECESSITIES
HYGIENE
INORGANIC CHEMISTRY
MEDICAL OR VETERINARY SCIENCE
METALLURGY
NON-METALLIC ELEMENTS
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Beschreibung
Zusammenfassung:The present invention relates to a surface-coated particle in which a portion or all of the surface of a particle (A) is coated with a surface treatment agent (B), wherein a dynamic friction coefficient of the surface-coated particle is 0.50 or less, when a 5% by mass ethanol dispersion of the surface-coated particle is applied onto a polyurethane substrate in an amount of 2 mg/cm2, and dried for 24 hours under atmospheric pressure at 23°C, followed by measurement under conditions of a load of 3.53 N, a moving speed of 10 mm/sec, a moving distance of 50 mm, 30 reciprocations, and a temperature of 25±2°C, and the standard deviation of the dynamic friction coefficient is 0.020 or less.