▎ 摘　　要

NOVELTY - Making (M1) a liquid foam from graphene involves reparing an aqueous dispersion of graphene oxide; adding a water miscible compound to the aqueous dispersion of graphene oxide to produce a mixture including a modified form of graphene oxide; adding water to the mixture; and adding a gas to the mixture to produce a foamed phase including a modified form of graphene oxide. USE - For making liquid foam from grapheme (claimed), used to produce porous materials containing modified graphene oxide; and prepare solid graphene foams with a closed-cell cellular structure. ADVANTAGE - The method avoids using organic solvents as are used in some current practices despite of the fact that in most organic solvents graphene oxide is not as well dispersed as it is in water. The method uses a water miscible compound to modify graphene oxide, such as isophorone diamine, that also functions as both a carrier and a curing agent in the preparation of epoxy composite formulations; provides porous reduced graphene oxide materials directly after freeze-drying the liquid foam of graphene without needing any further processing step. The chemistry of the modified form of graphene oxide since it does not use high temperatures; hence, such a method enables to prepare porous graphene materials with selective surfaces for the detection of specific analytes or scavenging of specific contaminants. The liquid foams has excellent characteristics for the production of composites, porous materials and solid open and closed cellular foams containing reduced graphene oxide. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) liquid foam of graphene comprising a modified form of graphene oxide encapsulating gas to form liquid foam; (2) solid foam comprising a modified form of graphene oxide encapsulating a fluid to form a solid foam; and (3) dispersion of gas cells in a liquid, where the gas cells are encapsulated inside shells having a layered structure made of molecular sheets.