Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1993-07-21
1995-07-04
Smith, Jeffrey T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525378, 5253299, 5253302, C08C 1922
Patent
active
054301114
ABSTRACT:
A uniquely treated bead of ethylene acrylic acid (EAA) capable of forming a high solids aqueous dispersion in excess of 38% solids wherein the EAA may be prepared by either batch or continuous processes wherein the EAA is substantially fully reacted with ammonia, sodium or potassium in little or substantial absence of water, followed by a separate aqueous dispersion step, resulting in a unique and quick-drying dispersion material highly useful in coating, adhesive, laminating, ink and similar processes, and wherein operating expense and environmental concerns are at a minimum as a consequence thereof.
The treated EAA may be prepared in a substantially dry to merely moist state for incorporation into an aqueous dispersion with high percentages of EAA having either higher or lower molecular weight with low viscosities as compared to heretofore.
REFERENCES:
patent: 3674761 (1972-07-01), Anspon et al.
patent: 3674896 (1972-07-01), Purcell et al.
patent: 4337181 (1982-06-01), Otey et al.
Ferrell Wilson M.
Ferrell, Jr. W. Maclin
Recchia Frank P.
Dominion Chemical Company
Smith Jeffrey T.
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