Latex composition employing specifically defined ethylene oxide/

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

1994-10-11

1996-06-11

Morgan, Kriellion S.

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...

524399, 524474, 524502, 524505, C08K 524, C08K 504

Patent

active

055256570

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.

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