Abstract: Intercalated graphite flake which has enhanced exfoliation volume characteristics at relatively low exfoliation temperatures, e.g., 600° C. and even lower, is made by adding an organic expansion aid to the intercalant solution and heating a blend of intercalated particles and an organic reducing agent in the temperature range of 25° to 125° C.
Type:
Grant
Filed:
March 23, 2001
Date of Patent:
July 9, 2002
Assignee:
Graftech Inc.
Inventors:
Ronald Alfred Greinke, Robert Anderson Reyolds, III