Silicone elastomers containing alkoxysiloxanols

Details Silicone elastomers containing alkoxysiloxanols Silicone elastomers containing alkoxysiloxanols

1977-02-16

1978-09-12

Shaver, Paul F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

2604488R, 528 14, C08L 0000

Patent

active

041136900

ABSTRACT:
Alpha-alkoxy-omega-siloxanols, R'O(R.sub.2 SiO).sub.x H, are produced by contacting cyclic siloxanes with alcohols under mild conditions. For example, hexamethylcyclotrisiloxane heated at reflux in methanol for four hours gives 5-methyoxyhexamethyltrisiloxan-1-ol in high yield. The reaction proceeds more rapidly in the presence of weak acids or bases. The products are useful as coupling agents, as antistructure agents and filler-treating agents for silicone elastomers.

REFERENCES:
patent: 3417047 (1968-12-01), Golitz et al.

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