Process for converting octamethylcyclotetrasiloxane to decamethy

Details Process for converting octamethylcyclotetrasiloxane to decamethy Process for converting octamethylcyclotetrasiloxane to decamethy

1985-01-09

1985-12-03

Shaver, Paul F.

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

Organic compounds

Silicon containing

C07F 708

Patent

active

045567263

ABSTRACT:
Method for producing decamethylcyclopentasiloxane (cyclic pentamer) from octamethylcyclotetrasiloxane (cyclic tetramer) by heating said cyclic tetramer in the presence of an aqueous hydrochloric acid solution and a salt of a protonated amine having at least one nitrogen-bonded monovalent hydrocarbon group having 5 to 14 carbon atoms.

REFERENCES:
patent: 2618648 (1952-11-01), Bluestein
patent: 2769829 (1956-11-01), Dobay
patent: 3021297 (1962-02-01), George
patent: 4423240 (1983-12-01), Yeboah

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