HIGHLY WATER-REPELLENT AND HIGHLY OIL-ABSORBENT BORON NITRIDE POWDER, PRODUCTION METHOD THEREFOR, AND COSMETIC

• Main Authors: HIWASA, SHOICHI, KOSHIDA, TAKAHISA, KUMAGAI, MASATO
• Format: Patent
• Language: English; French; German
• Published: 05.08.2015
• Subjects: CHEMISTRY; COMPOUNDS THEREOF; HUMAN NECESSITIES; HYGIENE; INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS; INORGANIC CHEMISTRY; MEDICAL OR VETERINARY SCIENCE; METALLURGY; NON-METALLIC ELEMENTS; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS

A boron nitride powder including flat-shaped primary particles of BN and an aggregate of the primary particles has a water permeation speed less than 1 mm 2 /s and oil absorption of 100 ml/100 g to 500 ml/100 g, which is a cosmetic boron nitride powder excellent in water repellency and oil absorbenc...