Patent ID: 8861916

Claim:
An epoxy-functional polysiloxane having the formula: (R 7 R 1 2 SiO 1/2 ) v (R 1 2 SiO 2/2 ) w (R 4 SiO 3/2 ) x (R 6 SiO 3/2 ) y (SiO 4/2 ) z wherein R 1 is C 1 to C 3 alkyl or phenyl; R 4 is —CH 2 —CHR 2 R 3 , wherein R 2 is C 2 to C 10 hydrocarbyl free of aliphatic unsaturation and R 3 is R 1 or H; R 6 is —CH 2 —CHR 3 R 5 , wherein R 5 is an epoxy group; R 7 is R 1 , R 4 , or R 6 ; v is from 0 to 0.5; w is from 0.1 to 0.9; x is from 0.1 to 0.7; y is from 0.1 to 0.5; z is from 0 to 0.5; and v+w+x+y+z=1.