Latex composition employing specifically defined ethylene oxide/

Details Latex composition employing specifically defined ethylene oxide/ Latex composition employing specifically defined ethylene oxide/

1996-03-28

1997-12-09

Morgan, Kriellion S.

Coating processes

Solid particles or fibers applied

428500, 428523, B05D 112

Patent

active

056958137

ABSTRACT:
An improved latex composition is provided that has been found to exhibit a superior ability to form a substantially uniform polymeric film when applied to a substrate. The composition is capable of being handled and applied to a substrate in the absence of excessive foaming. The aqueous composition includes as essential components specified concentrations of a specifically-defined normally liquid predominantly hydrophobic nonionic ethylene oxide/propylene oxide block copolymer surfactant, and a solely hydrophobic defoaming agent (e. g., a hydrocarbon-based mineral oil). It is possible for the composition to be applied even to a hydrophobic substrate (e.g., a polyester film substrate). Compositions of the present invention, following application to a substrate and the volatilization of the water component, form a substantially uniform polymeric film that can serve as a coating or adhesive.

REFERENCES:
patent: 3862078 (1975-01-01), Burke, Jr.
patent: 3879326 (1975-04-01), Burke, Jr.
patent: 3892700 (1975-07-01), Burke, Jr.
patent: 3892701 (1975-07-01), Burke, Jr.
patent: 3892702 (1975-07-01), Burke, Jr.
"Poloxamer", The United States Pharmacopeia -The National Formulary, By the authority of the United States Pharmacopeial Convention, Inc. meeting at Washington, D.C., Mar. 22, 1985. Official from Jan. 1, 1990.

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