Patent ID: 7658863

Claim:
A method for preparing a Si—C—O composite, comprising adding particulate graphite which is surface treated with at least one silylating agent of formula (7): R 8 b Si(Z) (4-b)/2 (7) wherein R 8 is a monovalent organic group and b is a positive number of 0.8 to 3 to a reactive silane or siloxane is of the average formula: C w H x SiO y N z wherein w, x and y are positive numbers, z is 0 or a positive number, and (w−y) is greater than 0, or a mixture thereof in an amount of 1 to 80% by weight based on the total weight of the silane, siloxane or mixture thereof and the particulate graphite, curing the silane, siloxane or mixture thereof obtained by said adding step through heat curing or catalytic reaction into a crosslinked product and sintering the crosslinked product in an inert gas stream at a temperature in the range of 700 to 1,400° C. into an inorganic state.