rheology and slot die coating technology
DESCRIPTION
Gain background on slot die coating technology and the science of rheology through this presentation on systems, techniques, and process. Presented by Coating Tech Slot Dies www.slotdies.com.TRANSCRIPT
![Page 1: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/1.jpg)
RHEOLOGY & SLOT DIE COATING TECHNOLOGY
![Page 2: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/2.jpg)
SLOT DIE COATING TECHNOLOGY
• Background
• System• Technique• Process
• Summary
![Page 3: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/3.jpg)
BACKGROUND
• Slot die basics
• Closed system• Distribute fluid uniformly• Define coat width• Maintain temperature
![Page 4: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/4.jpg)
BACKGROUND• Slot die applications
• Viscosity versus shear rate• % Solids• Coating thickness• Particle size• Coating width• Line speed• Operating temperature
![Page 5: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/5.jpg)
BACKGROUND
• Slot die design
• Rheology • Manifold• Body sections• Fluid flow control
![Page 6: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/6.jpg)
BACKGROUND
RHEOLOGY• Viscosity• Shear Rate (Stress)
![Page 7: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/7.jpg)
BACKGROUND
RHEOLOGY• Newtonian
• Polymerico Shear thinningo Shear thickening
.
.
CASSON
.
BINGHOLD
.
ITHERS
.
THIXOTROPIC
![Page 8: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/8.jpg)
BACKGROUND
RHEOLOGY• Process Knowledge
o G’ (storage)o G” (loss)o tan
![Page 9: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/9.jpg)
SYSTEM
• Slot Die• Positioner• Backing roll• Fluid delivery system• Substrate
![Page 10: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/10.jpg)
SYSTEM
• Slot Dieo Manifold designo Manufacturing toleranceso Lip offset o Lip geometry
![Page 11: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/11.jpg)
SYSTEM
• Slot Dieo Fixed lipo Flex lipo Rotary rod
![Page 12: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/12.jpg)
SYSTEM
• Positionero Attack angleo Position to rollo Repeatability
![Page 13: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/13.jpg)
SYSTEM
• Backing rollo Diametero TIRo Cocentricityo Cylindricity
![Page 14: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/14.jpg)
SYSTEM
• Fluid Delivery Systemo Positive displacemento Rheology of fluido Densityo Particle sizeo Shear sensitivity
![Page 15: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/15.jpg)
SYSTEM
• Substrateo Variation (RTY)o Surface energyo Surface treatmento Vacuum boxo Tension control
![Page 16: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/16.jpg)
TECHNIQUE
![Page 17: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/17.jpg)
TECHNIQUE
• Direct coating
![Page 18: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/18.jpg)
TECHNIQUE
• Tensioned web
![Page 19: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/19.jpg)
TECHNIQUE
• Curtain coating
![Page 20: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/20.jpg)
PROCESS
• Full width coating• Lane coating• Intermittent coating• Multi-layer coating• Dual-sided coating
![Page 21: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/21.jpg)
SUMMARY
• System• Technique• Process
![Page 22: Rheology and Slot Die Coating Technology](https://reader031.vdocument.in/reader031/viewer/2022012307/5563b6bcd8b42a38198b4f03/html5/thumbnails/22.jpg)