Method and composition for retarding water evaporation

Details Method and composition for retarding water evaporation Method and composition for retarding water evaporation

1974-02-22

1979-07-31

Padgett, Benjamin R.

Compositions

Preservative agents

Anti-caking, separative or protective coatings or zones

252384, 422 43, B01J 118

Patent

active

041629906

ABSTRACT:
A method and composition for forming a thin film of evaporation retarding agent upon a water surface by applying to the water, solid macroscopic particles of a saturated, aliphatic, interface-active hydrocarbon in solid solution with a spreading agent, e.g., a polyethylene glycol, that is soluble in both water and the hydrocarbon. Preferably, the particles are admixed with solid macroscopic particles of a filler material capable of generating a gas upon contact with water and compacted into a tablet, pellet or other solid unitary form for application to a water surface.

REFERENCES:
patent: 2797139 (1957-06-01), Veatch
patent: 3391987 (1968-07-01), Myers
patent: 3450488 (1969-06-01), Dressler
patent: 3531239 (1970-09-01), Rowlette
patent: 3549313 (1970-12-01), Eckert et al.
Carbowax Polyethylene Glycols, Union Carbide, 1972, pp. 1-3.

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