Patent ID: 8084532

Claim:
A nanomaterial-filled silicone composition, comprising: a condensation-curable silicone composition comprising a silicone resin having an average of at least two silicon-bonded hydrogen atoms, hydroxy groups, or hydrolysable groups per molecule; a condensation catalyst; and a carbon nanomaterial, wherein the condensation-curable silicone composition comprises a silicon resin having the formula (R 1 R 2 2 SiO 1/2 ) w (R 2 2 SiO 2/2 ) x (R 1 SiO 3/2 ) y (SiO 4/2 ) z (I), or (A) a rubber-modified silicon resin prepared by reacting an organosilicon compound selected from (i) a silicon resin having the formula (R 1 R 4 2 SiO 1/2 ) w (R 4 2 SiO 2/2 ) x (R 4 SiO 3/2 ) y (SiO 4/2 ) z (II) and (ii) hydrolysable precursors of (i), and a silicone rubber having the formula R 5 3 SiO(R 1 R 5 SiO) m Si R 5 3 (III) in the presence of water, a condensation catalyst, and an organic solvent to form a soluble reaction product, wherein R 1 is C 1 to C 10 hydrocarbyl or C 1 to C 10 halogen-substituted hydrocarbyl, R 2 is R 1 , —H, —OH, or a hydrolysable group, R 4 is R 1 , —OH, or a hydrolysable group, R 5 is R 1 or a hydrolysable group, m is from 2 to 1,000, w is from 0 to 0.8, x is from 0 to 0.6, y is from 0 to 0.99, z is from 0 to 0.35, w+x+y+z=1, y+z/(w+x+y+z) is from 0.2 to 0.99, and w+x/(w+x+y+z) is from 0 to 0.8, provided when y is 0, w+x/(w+x+y+z) is from 0.05 to 0.8.