Patent ID: 9597677
Date: 2017-03-21
CPC Classifications: A61K,B01J

Claim:
1. A method for functionalizing carbon nano-objects by forming at least one layer of a crosslinked polymer around the nano-objects, comprising: a) dispersing the nano-objects in an aqueous solution of a surfactant to form a suspension in which each nano-object is surrounded with surfactant molecules, each surfactant molecule having a hydrophobic portion oriented towards the nano-object and a hydrophilic portion in contact with the water of the suspension; b) mixing the suspension formed in a) with a solution comprising at least one organic or organo-inorganic monomer in an organic solvent non-miscible with water, the monomer having a dichloromethane/deionized water partition coefficient at least equal to 5 at a temperature of 25° C. and comprising at least three polymerizable chemical groups, the mixing comprising stirring to bring the solution of the monomer to an interface between the nano-objects and the surfactant molecules surrounding the nano-objects; c) removing the organic solvent from the mixture obtained in b); d) polymerizing and crosslinking the monomer at the interface between the nano-objects and the surfactant molecules surrounding the nano-objects, to form a crosslinked polymer layer around the nano-objects, the crosslinked polymer layer being surrounded by surfactant molecules; e) removing the surfactant molecules which surround the crosslinked polymer layer; and f) recovering the thereby functionalized nano-objects.