Silicone emulsion which provides an elastomeric product and meth

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

1979-08-06

1981-01-13

Pertilla, Theodore E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 37SB, 428447, 428451, C08L 8310

Patent

active

042448492

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.

REFERENCES:
patent: 3294725 (1966-12-01), Findlay et al.
patent: 3355406 (1967-11-01), Cekada
patent: 3624017 (1971-11-01), Sorkin
patent: 3706695 (1972-12-01), Huebner et al.

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