Composite carbon black particles
AssigneeOrion Engineered Carbons IP GmbH & Co. KG
InventorsWan Jiang, Silvia Witt, Guido Waidmann, Matthias Hoeck, David Deters
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Abstract
Suggested is a composite particle comprising or consisting of a solid core partially or entirely coated with at least one inorganic compound, wherein (a) said solid core is a carbon black particle carrying functional groups on its surface, and (b) said at least one inorganic compound shows a particle size of from about 5 to about 100 nm, wherein said solid core particles show a diameter of primary particle size from about 5 to about 500 nm.
Claims12
A composite particle comprising or consisting of a solid core partially or entirely coated with at least one inorganic compound, wherein
- (a) said solid core is a carbon black particle carrying functional groups, selected from the group consisting of hydroxyl, carboxyl, anhydride, sulfate, phosphate, phosphonate, nitrate, carboxylate, acetate and mixtures thereof, on its surface, and
- (b) said at least one inorganic compound shows a particle size of from about 5 to about 100 nm,
- wherein said solid core particles show a diameter of primary particle size from about 5 to about 500 nm.
Dependencies are inferred from the claim text.