Process for the preparation of silane polysulfides

Details Process for the preparation of silane polysulfides Process for the preparation of silane polysulfides

1995-09-11

1997-01-21

Sweet, Mark D.

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

Organic compounds

Silicon containing

556428, C08F 708

Patent

active

055961169

ABSTRACT:
Sulfur-containing organosilicon compounds useful as coupling agents in vulcanizable rubbers to enhance various properties, including low rolling resistance for automobile tires, are prepared. Preferred compounds include .OMEGA., .OMEGA.'-bis (trialkoxysilylalkyl) polysulfides. In one embodiment, the reaction product of ethanolic sodium ethoxide and elemental sulfur is reacted with chloropropyltriethoxysilane. Alternatively, sodium metal is reacted with a mixture of ethanol and elemental sulfur, and then chloropropyltriethoxysilane. The use of sodium metal alcoholates provides an efficient and economical process.

REFERENCES:
patent: 3842111 (1974-10-01), Meyer-Simon et al.
patent: 3946059 (1976-03-01), Janssen
patent: 4072701 (1978-02-01), Pletka et al.
patent: 4129585 (1978-12-01), Buder
patent: 4507490 (1985-03-01), Panster
patent: 4640832 (1987-02-01), Bittner
patent: 5399739 (1995-03-01), French et al.
patent: 5405985 (1995-04-01), Parker et al.
patent: 5466848 (1995-11-01), Childress

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