Organosols of organopolysiloxanes and a process for preparing th

Details Organosols of organopolysiloxanes and a process for preparing th Organosols of organopolysiloxanes and a process for preparing th

1989-03-30

1991-09-17

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

528 10, 528 34, C08G 7704

Patent

active

050496360

ABSTRACT:
Organosols of organopolysiloxanes are prepared by adding water-soluble organic solvents or mixtures thereof or water-soluble mixtures of water-soluble and water-insoluble organic solvents to aqueous, colloidal suspensions of organopolysiloxanes obtained by adding at least one alkoxysilane and/or the partial hydrolyzate thereof, and, if appropriate, mixed with an organo(poly)siloxane free of alkoxy groups and having a maximum of 8 siloxane units per molecule, to water in the presence of emulsifiers at a maximum rate of 5 moles of organosilicon compound per hour and per liter of water, and subsequently removing the water by distillation.

REFERENCES:
patent: 3433780 (1969-03-01), Cekada et al.
patent: 4424297 (1984-01-01), Bey
patent: 4644077 (1987-02-01), Gupta
patent: 4806665 (1989-02-01), Jones et al.
patent: 4814017 (1989-03-01), Yoldas et al.
patent: 4857582 (1989-08-01), Wolfgruber et al.

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