Coating processes – Spraying – Heated coating material
Patent
1990-09-21
1992-12-15
Lusignan, Michael
Coating processes
Spraying
Heated coating material
427426, 427 8, 239 11, 239 13, 239135, 239139, 118667, B05D 102
Patent
active
051716135
ABSTRACT:
This invention is directed to improved spraying apparatus for coating substrates with a coating material and supercritical fluid which apparatus is provided with various features, either alone or in combination, to prevent undesirable premature cooling of the coating mixture which might detrimentally affect the final coating on the substrate; to prevent undesirable depressurization of supercritical fluid contained in the coating mixture which remains in the spray gun after spraying has been stopped; and/or to desirably provide the ability to mix the components of the coating mixture directly in the spray gun. Methods for utilizing these features in the spraying apparatus of the present invention are also disclosed.
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Bok Hendrik F.
Glancy Charles W.
Hoy Kenneth L.
Lee Chinsoo
Nielsen Kenneth A.
Dudash Diana L.
Lusignan Michael
Reinisch Morris N.
Union Carbide Chemicals & Plastics Technology Corporation
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