Carbon black
AssigneeMitsubishi Chemical Corporation
InventorsAkihiro Matsuki, Shinichi Kanamaru, Yutaka Fukuyama, Nobutake Mise, Eihachi Takamura
Life of this patent
Estimating the term…
Abstract
To provide carbon black which improves the electrical conductivity and flowability of a resin composition. Carbon black characterized by having the following characteristics: 24M4DBP absorption: At least 130 cm3/100 g (1,500° C. ×30 min) dehydrogenation amount: At most 1.2 mg/g Crystallite size Lc: From 10 to 17ÅMore preferably, it has the following characteristics: Nitrogen adsorption specific surface area: from 150 to 300 m2/g Average particle diameter: from 14 to 24 nm CTAB adsorption specific surface area: from 120 to 220 m2/g DBP absorption: from 150 to 400 cm3/100 g Oxygen-containing functional group density: at most 3 μmol/m2
Claims8
Carbon black characterized by having the following characteristics:
- 24M4DBP absorption:
- At least 130 cm3/100 g
- (1,500° C. ×30 min) dehydrogenation amount:
- At most 1.2 mg/g
- Crystallite size Lc:
- From 10 to 17Å
Dependencies are inferred from the claim text.