B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
117/102.1
B05D 3/02 (2006.01) F26B 3/00 (2006.01) F26B 13/10 (2006.01) F26B 21/06 (2006.01)
Patent
CA 1332128
- 1 - DRYING PROCESS Abstract of the Disclosure A latex paint containing water and one or more higher boiling organic solvents is coated on a carrier film and dried by a process which yields a driedpaint layer free of bubble defects. The film is passed continuously through a series of at least three drying stages in contact with warm, moderately humid air and more than half of the heat required for evaporation is supplied to the underside of the film. Drying conditions in at least each of the first three stages are controlled to maintain a film temperature profile which causes the water to evaporate at a moderate rate but more rapidly than the organic solvents, thus achieving coalescence of the paint and avoiding the trapping of liquids in a surface-hardened paint layer.
592583
Fronheiser Dennis R.
Hayward Jack
Reafler Gerald G.
Schuler James R.
Eastman Kodak Company
Fronheiser Dennis R.
Gowling Lafleur Henderson Llp
Hayward Jack
Reafler Gerald G.
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