Polymethylalkylsiloxane emulsions and methods

Details Polymethylalkylsiloxane emulsions and methods Polymethylalkylsiloxane emulsions and methods

1989-12-05

1991-05-21

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Coating repellent

106 3, 106 10, 10628715, C09K 318

Patent

active

050172212

ABSTRACT:
An emulsion and a mixture including water, at least one surfactant, and a polymethylalkylsiloxane. The polymethylalkylsiloxane has the formula: ##STR1## 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 wires, 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, automative seat upholstery, residential siding, and piping.

REFERENCES:
patent: 3392040 (1968-07-01), Kass
patent: 3395028 (1968-07-01), Mackles
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patent: 4133921 (1979-01-01), Palcher
patent: 4462828 (1984-07-01), Otsuki
patent: 4620878 (1986-11-01), Gee
patent: 4631273 (1986-12-01), Blehm et al.
patent: 4640792 (1987-02-01), Groenhof
patent: 4732612 (1988-03-01), Steer et al.
patent: 4810407 (1989-03-01), Sandvick

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