Methods for preparing cyclopolysiloxane

Details Methods for preparing cyclopolysiloxane Methods for preparing cyclopolysiloxane

1982-04-12

1983-12-27

Shaver, Paul F.

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

Organic compounds

Silicon containing

C07F 704, C07F 708

Patent

active

044232403

ABSTRACT:
Cyclic polysiloxanes can be prepared by hydrolysis of dimethyldichlorosilane and water or aqueous hydrochloric acid in the presence of the anionic surfactant, sodium lauryl sulfate, to give good yields of cyclic polysiloxanes and minimal amounts of linear silanols.

REFERENCES:
patent: 2769829 (1956-11-01), Dobay
patent: 3398173 (1968-08-01), Goosens
patent: 3627805 (1971-12-01), Thomas et al.
patent: 3846464 (1974-11-01), Razzano
patent: 3983148 (1976-09-01), Reedy et al.
patent: 4108882 (1978-08-01), Mahone
patent: 4197251 (1980-04-01), Hirakawa et al.

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