Method for the continuous preparation of organopolysiloxane...

Details Method for the continuous preparation of organopolysiloxane... Method for the continuous preparation of organopolysiloxane...

C - Chemistry, Metallurgy

08

L

C08L 83/04 (2006.01) B01F 3/08 (2006.01) C08J 3/03 (2006.01) B01F 7/00 (2006.01)

Patent

CA 2184341

A method capable of the continuous mass- production of organopolysiloxane emulsions includes processes (I) and (II). Process (I) is the continuous supply of (a) organopolysiloxane fluid or gum, (b) emulsifying agent, and (c) water to a mixer having a first-stage SSM with a stator and a turbine-type rotor having blades that are slanted obliquely from the radial direction when viewed from the axial direction, and a second-stage SSM with a stator and a turbine-type rotor having blades that define spiral curves with respect to the axial direction, and the discharge of an organopolysiloxane-in-water emulsion with an organopolysiloxane content of 10 to 99 weight%. Process (II) is the introduction of dilution water and the emulsion of process (I) into a mixer as described for process (I). A gas can also be injected in process (I).

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