Emulsions of silicone elastomer

Details Emulsions of silicone elastomer Emulsions of silicone elastomer

1989-10-16

1991-03-19

Marquis, Melvyn I.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524837, C08K 501

Patent

active

050011871

ABSTRACT:
An aqueous, silicone emulsion of polydiorganosiloxane having silacyclobutane groups comprises the product obtained by the emulsion polymerization of a mixture of polydiorganosiloxane oligomer having hydroxyl endblocking and silacyclobutane containing silicone material. Adding a nucleophilic material to the emulsion produces an emulsion which yields an elastomer upon removal of the water from the emulsion. The elastomer from this emulsion can be reinforced by adding an aqueous, dispersed fume silica to the emulsion before removal of the water.

REFERENCES:
patent: 3294725 (1966-12-01), Findlay et al.
patent: 3398178 (1968-08-01), Nelson
patent: 3445495 (1969-05-01), Nelson
patent: 3694427 (1972-09-01), Jones et al.
patent: 4496687 (1985-01-01), Okada et al.
patent: 4618645 (1986-10-01), Bauman et al.

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