Process for producing a cyclotrisiloxane in a cracking reaction

Details Process for producing a cyclotrisiloxane in a cracking reaction Process for producing a cyclotrisiloxane in a cracking reaction

1977-12-01

1978-09-05

Shaver, Paul F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07F 708

Patent

active

041119738

ABSTRACT:
An improved process for increasing the yield and purity of fluoroalkyl cyclotrisiloxanes in a cracking reaction of diorganopolysiloxanes by using, in addition to the cracking catalyst, an effective amount of a higher aliphatic alcohol having from 14 to 30 carbon atoms. By the use of such a higher aliphatic alcohol, there is consistently obtained yields of high purity fluoroalkyl cyclotrisiloxanes from cracking reactions of silicone hydrolyzates in excess of 80% by weight.

REFERENCES:
patent: 2961425 (1960-11-01), Pierce et al.
patent: 2979519 (1961-04-01), Pierce et al.
patent: 3002951 (1961-10-01), Johannson
patent: 3179619 (1965-04-01), Brown
patent: 3989733 (1976-11-01), Okamoto et al.

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