Method of preparing olefinic siloxane by GLC

Details Method of preparing olefinic siloxane by GLC Method of preparing olefinic siloxane by GLC

1974-12-02

1976-07-27

Shaver, Paul F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2604488R, C07F 708, C07F 718

Patent

active

039718182

ABSTRACT:
Injecting a mixture of an acetylenic alcohol and a siloxane compound having at least three silicon-bonded hydrogen atoms into a gas liquid chromatographic (GLC) column through an injection port heated at 300.degree.C. to 375.degree.C. and coated with a layer of a platinum catalyst where the column is heated at 100.degree.C. to 375.degree.C. provides an olefinic siloxane compound which is, below 100.degree.C., an inhibitor for the reaction between the acetylenic alcohol and the siloxane compound having at least three silicon-bonded hydrogen atoms in the presence of a platinum catalyst. This method provides high purity products which do not need further distillation and which do not contain platinum.

REFERENCES:
patent: 2823218 (1958-02-01), Speier et al.
patent: 2970150 (1961-01-01), Bailey
patent: 3419593 (1968-12-01), Willing
patent: 3453233 (1969-07-01), Flatt
patent: 3516946 (1970-06-01), Modic
patent: 3576027 (1971-04-01), Fish
patent: 3793358 (1974-02-01), Bauer et al.

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