Compositions – Preservative agents – Anti-corrosion
Patent
1995-05-10
1997-08-05
Lovering, Richard D.
Compositions
Preservative agents
Anti-corrosion
1621681, 252312, B01J 1300, D21H 1743
Patent
active
056539150
ABSTRACT:
The invention is a paper coating system which introduces ASA particles having sizes in the sub-micron region into an emulsifier without shearing the emulsifier. The system has a continuous output--as distinguished from a batch system. The system comprises a variable speed low pressure starch metering pump, a variable speed high pressure ASA metering pump, a high pressure atomizing nozzle assembly, and a manifold which brings the starch and the atomized ASA flow together. The high nozzle pressure breaks up or atomizes the ASA into minute sub-micron particles that are evenly distributed throughout the starch to form a nearly perfect oil in water emulsion. By controlling the nozzle pressure, the proper particle size can be produced quite easily. An optical monitoring device that uses a coherent (laser) light source continuously measures and validates the quality of the ASA emulsion.
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