Silicone emulsion which provides an elastomeric product and...

Details Silicone emulsion which provides an elastomeric product and... Silicone emulsion which provides an elastomeric product and...

C - Chemistry, Metallurgy

08

L

400/7204

C08L 83/04 (2006.01) C08L 83/10 (2006.01)

Patent

CA 1160379

ABSTRACT An aqueous silicone emulsion is described which provides an elastomeric product upon removal of the water under ambient conditions. The emulsion comprises a continuous water phase and an anionically stabilized dispersed silicone phase which is a graft copolymer of a hydroxyl endblocked polydiorganosiloxane and an alkali metal silicate. The emulsion is formed and maintained in a stable condition by control of the pH within the range of 8.5 to 12 inclusive. In the method of preparing the emulsion, an organic tin compound can be employed to accelerate the formation of the graft copolymer.

355526

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