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Fluid Flow Phenomena
Download Audio File When a fluid hits a substrate, pushing through the barrier of air, the fluid tends to flow predictably. This phenomenon is a function of the interfacial [...]
The Future of Fluid Coating Technology
Download Audio File What does the future hold? If we could gaze into the crystal ball of fluid coating and know what the expectations for liquid coating onto substrates [...]
The Fundamentals of Coating
Download Audio File Let's go back…way back…back to the basis of what fluid coating is and why the converting industry cares about the process of placing a fluid onto [...]
Bringing Theory into Focus
Download Audio File Coating specialists love to throw around big ideas and even bigger words (rheology, viscosity, surface tension, etc.). But what is important? What can you use daily as [...]
Mixing Fundamentals
Download Audio File When you look at the process of fluid coating onto substrates, there are many ancillary pieces of equipment that affect the final coating quality of the [...]
Theory Versus Reality
Download Audio File How well can a computer program, mathematical equation, or experience predict fluid coating performance is a question I am asked on a regular basis. As with [...]
It’s a Turbulent World
Download Audio File In many recent discussions in the converting industry, I have found myself trying to explain fluid coating technology to people who are familiar with extrusion technology. [...]
The Role of Energy in Coating
Download Audio File When coating a fluid onto a substrate, many factors come into play - chemistry of the fluid, surface tension of the substrate, curing conditions, slitting requirements, [...]
Understanding Rheology
Download Audio File The best starting point for polymer understanding is rheology, or the flow of the polymer in fluid form. What is rheology? ρηεολογψ-It's all Greek to me! [...]
The Scientific Approach to Coating
Download Audio File Within all coating matters, scientific application of process and material understanding is critical to success. The amount of care applied to understanding each step in the [...]
Plumbing Basics in Coating Technology
Download Audio File I had a great physics professor in college. When I was considering what area of engineering to go into, he explained the world of technology in [...]
Battery Coating Technology
Download Audio File With the advent of car battery technology moving into the mainstream for consumer vehicles, the need for advanced battery technology has skyrocketed. As with any consumer-based [...]
Suspensions, Dispersions, and Emulsions
Download Audio File What variables need to be considered when coating a fluid that isn't simple? When coating a simple fluid, slot die coating operators have enough to worry [...]
How to Choose a Coating Site
Download Audio File What came first, the chicken or the egg? When determining how to initiate a new product in the marketplace, most converting companies face a similar paradox. [...]
Down-Web Uniformity
Download Audio File Sometimes there is a complex, multivariable solution to a coating defect and sometimes…well, let me get the issue in front of you first, then we'll discover the [...]
How to Select a Coating Method
Download Audio File Why would you coat with a roller instead of a knife; a rod instead of a slot die? There are many methods for fluid coating and [...]
How to Avoid Bubble Defects
Download Audio File One of the most common issues in coating is bubbles. Not solids. Not liquids. Bubbles. Where do bubbles come from, and how can we avoid the [...]
What the Coating Bead Can Tell You
Download Audio File When a fluid is being coated out of a slot die, it can be positioned in a variety of ways. This ability to position the coating head [...]
Surface Energy Matchmaking
Download Audio File Typically, when you coat a fluid onto a substrate, the fluid flows to the limits of the coating head and provides a solid layer of fluid [...]
Slot Die Coating Fundamentals
Download Audio File Recently, a lot has been asked of coating technology. Products in the printed electronic fields, such as solar panels and battery technology, have pushed the limits [...]
Coating, Not Printing
Download Audio File Whether you work in the battery industry, the packaging industry, or the publishing industry, you have come across these two words: coating and printing. For as [...]
Open Up the Coating Process Window
Download Audio File If you have worked around a coating process facility, you have undoubtedly heard someone refer to the coating process window. This statistical assessment of the capabilities [...]
4 Steps To Resolving Coating Defects
Download Audio File Every coating process engineer and equipment operator wants to know where to start when a coating problem surfaces with their product. So let's start with the [...]
Technical Report: A Rheology Lesson
Download Audio File Whether you are dealing with a fluid coating or a plastic product, you need to understand rheology. Rheology of the polymer in question affects not only [...]
Don’t Blame Chatter on Coating Head
Download Audio File Let's talk chatter. Not just because it's cold outside, but because it is a common defect in the coating industry. What is chatter? For those who [...]