Polymethylalkylsiloxane emulsions and methods

Details Polymethylalkylsiloxane emulsions and methods Polymethylalkylsiloxane emulsions and methods

C - Chemistry, Metallurgy

08

L

117/187, 400/543

C08L 71/02 (2006.01) B05D 5/00 (2006.01) B05D 7/02 (2006.01) C08J 3/03 (2006.01) C08J 7/04 (2006.01) C08L 83/04 (2006.01) C09D 171/02 (2006.01) C09D 183/04 (2006.01)

Patent

CA 2030652

An emulsion and a mixture including water, at least one surfactant and a polymethylalkylsiloxane. The polymethylalkylsiloxane has the formula: Image wherein R is a methyl radical, a is an integer from one to about three thousand and b is an integer from one to about ten. Also disclosed is a method of rendering a surface repellent to water by treating the surface with an effective amount of the foregoing emulsion. The surface being treated is an organic surface and can be a rubber surface such as rubber coated wires and cables, the sidewall of a pneumatic tire, footwear, molded goods and coated fabrics. The surface can also be a vinyl surface such as flooring, shower curtains, rain coats, automotive seat upholstery, residential siding and piping.

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