Patent ID: 6759545
Filing Date: 2004-07-06
Classification: C01P,C07F,C08K,C09C

Abstract:
A process for preparing an organosilicon compound having the following formula (1):(R1O)(3-p)(R2)pSiâ€”R3â€”Smâ€”R4â€”Hâ€ƒâ€ƒ(1) wherein R1 and R2 each are a monovalent hydrocarbon group having 1 to 4 carbon atoms, R3 and R4 each are a divalent hydrocarbon group having 1 to 10 carbon atoms, m is 2 to 10, and p is equal to 0, 1 or 2, comprising the step of reacting a haloalkyl group-containing organosilicon compound of the following formula (2): (R1O)(3-p)(R2)pSiâ€”R3â€”Xâ€ƒâ€ƒ(2) wherein R1, R2 and R3 and p are defined above and X is halogen, and a halogen-containing compound of the following formula (3): Xâ€”R4â€”Hâ€ƒâ€ƒ(3) wherein R4 and X are as defined above with an anhydrous sodium sulfide or polysulfide having the following formula (4): Na2Sqâ€ƒâ€ƒ(4) wherein q is 1 to 4, and optionally, sulfur.