SUSPENSION OF NANODIAMOND AGGREGATES AND SINGLE-DIGIT NANODIAMOND DISPERSION

• Main Authors: KIMOTO, NORIHIRO, KOJIMA, RYOUTA
• Format: Patent
• Language: English; French; Japanese
• Published: 12.05.2016
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; COMPOUNDS THEREOF; CRUSHING, PULVERISING, OR DISINTEGRATING; CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; INORGANIC CHEMISTRY; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; METALLURGY; MILLING GRAIN; NANOTECHNOLOGY; NON-METALLIC ELEMENTS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PREPARATORY TREATMENT OF GRAIN FOR MILLING; SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; THEIR RELEVANT APPARATUS; TRANSPORTING

The suspension of nanodiamond aggregates of the present invention includes detonation nanodiamond aggregates, and is characterized in that the pH and electrical conductivity of the suspension satisfy condition (1) or (2). (1) pH of 4-7 and electrical conductivity of 50 μS/cm or less per wt% of solid component concentration. (2) pH of 8-10.5 and electrical conductivity of 300 μS/cm or less per wt% of solid component concentration. Cette invention concerne une suspension d'agrégats de nanodiamants contenant des agrégats de nanodiamants obtenus par détonation, et est caractérisée en ce que le pH et la conductivité électrique de la suspension satisfont la condition (1) ou (2). (1) pH de 4 à 7 et conductivité électrique de 50 µS/cm ou moins par % en poids de concentration en composants solides. (2) pH de 8 à 10,5 et conductivité électrique de 300 μS/cm ou moins par % en poids de concentration en composants solides. 　本発明のナノダイヤモンド凝集体の懸濁液は、爆轟法ナノダイヤモンド凝集体の懸濁液であって、懸濁液のｐＨ及び電気伝導度が下記（１）又は（２）の条件を充足することを特徴とする。 （１）ｐＨ４～７で、固形分濃度１重量％あたりの電気伝導度が５０μＳ／ｃｍ以下である （２）ｐＨ８～１０．５で、固形分濃度１重量％あたりの電気伝導度が３００μＳ／ｃｍ以下である