Surface-active additives in the direct synthesis of trialkoxysil

Details Surface-active additives in the direct synthesis of trialkoxysil Surface-active additives in the direct synthesis of trialkoxysil

1996-10-10

1998-07-21

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

C07F 704, C07F 718

Patent

active

057837201

ABSTRACT:
Disclosed is a process in which surface-active additives are used in the slurry phase Direct Synthesis of trialkoxysilanes to shorten the period between the start of the reaction and the attainment of steady-state rates and selectivities, to improve product yields and to control or prevent foam formation. Compositions comprising silicone antifoam compounds and fluorosilicone polymers are the preferred surface-active additives of the instant process.

REFERENCES:
patent: 4113761 (1978-09-01), Kreuzburg et al.
patent: 4931578 (1990-06-01), Ohta et al.
patent: 5362897 (1994-11-01), Harada et al.

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