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- Title
Comparison of Vertical and Horizontal Slot Die Coatings.
- Authors
Hsien-Ming Chang; Yu-Rong Chang; Chi-Feng Lin; Ta-Jo Liu
- Abstract
This article presents a study regarding the vertical and horizontal slot die coatings. It presents a comparison of the vertical and horizontal slot die coatings which is carried out experimentally using aqueous glycerin solutions with varying viscosity on a laboratory-scale slot coater. The maximum coating speeds reached in a vertical slot coating were found to be higher than those of horizontal slot coating for low-viscosity solutions. It also shows that there existed three regions of minimum wet thickness depending on Reynolds number.
- Subjects
COATING processes; SURFACES (Technology); SURFACE coatings; YIELD surfaces; THICK films; THIN films; GLYCERIN; REYNOLDS number; VISCOUS flow
- Publication
Polymer Engineering & Science, 2007, Vol 47, Issue 11, p1927
- ISSN
0032-3888
- Publication type
Article
- DOI
10.1002/pen.20910