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AEROSOL COATING PROCESS BASED ON VOLATILE, NON-FLAMMABLE SOLVENTS

United States Patent Application

20150079299
A1
View the Complete Application at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
A method for coating target surfaces by spraying an atomized liquid formulation of a volatile solvent, a dispersant, and adhesion promoter, a polymer, a plasticizer and particulates of an active material and vaporizing the solvent from the spray droplets to form deformable solid particles in flight that impact the target surface to form a coating. The temperature of the atomizing gas used to form the spray and the liquid formulation temperatures can be manipulated to accelerate or decelerate the evaporation of solvent and balance the heat of vaporization of the solvent in the spray liquid so that condensation of ambient vapors in the atmosphere surrounding the deposition target is prevented.
Scher, Herbert B. (Moraga, CA), Giles, Durham K. (Davis, CA), Tringe, Joseph W. (Walnut Creek, CA), Levie, Harold W. (Livermore, CA)
LAWRENCE LIVERMORE NATIONAL SECURITY, LLC (Livermore CA), THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (Oakland CA)
14/ 490,977
September 19, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0003] This invention was made with Government support under DE-AC52-07NA27344 awarded by the U.S. Department of Energy (DOE). The Government has certain rights in the invention.