Reactions of chlorosilanes and methoxysilanes with chlorosiloxan

Details Reactions of chlorosilanes and methoxysilanes with chlorosiloxan Reactions of chlorosilanes and methoxysilanes with chlorosiloxan

1979-06-05

1980-12-09

Shaver, Paul F.

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

Organic compounds

Silicon containing

C07F 718

Patent

active

042384028

ABSTRACT:
Reactions of chlorosilanes and methoxysilanes with chlorosiloxanes, methoxysiloxanes and siloxanes are carried out in the presence of hydrochloric acid and methanol, without the addition of any catalyst, to provide methoxy-functional polysiloxane intermediate fluids. Improved yields are provided by utilizing the hydrolyzate forms of Me.sub.2 SiCl.sub.2 and MeHSiCl.sub.2, respectively, in order to obtain Me.sub.2 SiO and MeHSiO siloxane units.

REFERENCES:
patent: Re29760 (1978-09-01), Brown et al.
patent: 2415389 (1947-02-01), Hunter et al.
patent: 2637719 (1953-05-01), Dereich
patent: 3433764 (1969-03-01), Walmsley
patent: 3792071 (1974-02-01), Nitzsche et al.
patent: 3846358 (1974-11-01), Roedel
patent: 4032557 (1977-06-01), Spork et al.
patent: 4160858 (1979-07-01), Roedel

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