B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 1/02 (2006.01) B05B 1/04 (2006.01)
Patent
CA 2172951
The present invention is directed to methods for spraying polymeric compositions with supercritical or subcritical compressed fluids such as carbon dioxide or ethane over a wider range of spray conditions to provide improved spray application quality with reduced emission of solvent. The methods are accomplished by using an elongated spray orifice to transform narrow, fishtail, liquid-film sprays to wider, teathered, decompressive sprays.
Procédés d'atomisation de compositions polymères à l'aide de fluides comprimés surcritiques ou sous-critiques tels que du dioxyde de carbone ou de l'éthane sur une plage étendue de conditions d'atomisation pour produire une meilleure qualité de l'application d'atomisation et une émission réduite du solvant. On met en pratique ces procédés en utilisant un orifice d'atomisation allongé qui transforme les atomisations de film liquide, étroites, en forme de queue de poisson en atomisations décompressives, plus larges, en forme de chapeau.
Sim & Mcburney
Union Carbide Chemicals & Plastics Technology Corporation
LandOfFree
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