Method for production of mercapto functional silanes

Details Method for production of mercapto functional silanes Method for production of mercapto functional silanes

1982-09-10

1983-08-30

Shaver, Paul F.

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

Organic compounds

Silicon containing

C07F 708, C07F 718

Patent

active

044018266

ABSTRACT:
An improved method for the production of mercapto functional silanes is provided whereby reactions between haloalkyl silanes and thioureido compounds in the presence of ammonia are accelerated with tertiary nitrogen-containing compounds. In a preferred embodiment the reaction of 3-chloropropyltrimethoxysilane with thiourea is accelerated by N,N-dimethylformamide and other compounds to produce 3-mercaptopropyltrimethoxysilane at lower temperatures and with increased yield.

REFERENCES:
patent: Re28129 (1974-08-01), Rakus et al.
patent: 3314982 (1967-04-01), Koerner et al.
patent: 3382196 (1968-05-01), Gowdy et al.
Industrial Phamplet, "Silane Coupling Agents," Dow Corning Corp.

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