Patent ID: 7118725

Claim:
An expandable graphite intercalation compound with controllable expansion onset temperatures, wherein contained, as intercalation components, are at least one intercalatable Lewis acid, optionally in combination with a solvent or solvents, and at least one organic compound, wherein the at least one organic compound is selected from the group consisting of carboxylic acid halides, dicarboxylic acid dihalides, alkyl halides, aryl halides, alkylaryl halides, arylalkyl halide, dialkyl ethers, diaryl ethers, arylalkyl ethers, aliphatic or aromatic glycol ethers, 1,3-diketones, ethylenediaminetetraacetic acid, nitrilotriacetic acid, diethylenetriaminepentaacetic acid, nitrilomethanephosphoric acid, pentasodium triphosphate, and triethanolamine.