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Blogmaster: Dr. Edward D. Cohen

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Laboratory & Pilot Coaters

08

Improved laboratory coating hardware

Posted by Edward Cohen on May 8, 2012
Improved laboratory coating hardware
An efficient laboratory and pilot scale coating process is essential to develop new products and to produce commercial quality coatings for initial market development and to meet the initial need for commercial product. A major component of the effective laboratory coating process is to use the same...

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Posted in: Laboratory & Pilot Coaters
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29

Web Coating Technology Continuing Education

Posted by Edward Cohen on January 29, 2012
The web coating process is a complicated, technically sophisticated process that has many basic modules, unwind roll, transport roll, prepare coating solution, coating application, dry coated film, online process control, optimize coating solution, and coating line process control. All of these are ...

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Posted in: Coated Product Measurement & Characterization, Coating All Other, Coating Applicator Roll Coating, Coating Applicator, Slot Die, Slide, Curtain, Coating Solution Handling, Coating Solution Measurements & Characterization, Coating Solution Preparation, Defects Characterization Causes & Cures, Dryers & Drying, Laboratory & Pilot Coaters, Laminating, Metallizing, Process Instrumentation & Measurements, Substrate Surface Treatment, Substrates, Web/Tech, Weblogs
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26

Consider contract coaters as part of product scale-up

Posted by Edward Cohen on May 26, 2011
Contract coaters, also called toll coaters, provide web-coating and converting services to assist other companies in the development and manufacture of web-coated products. Typically, they have extensive process facilities to accomplish this task. They have coating methods that can coat a wide range...

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Posted in: Coating Applicator Roll Coating, Coating Applicator, Slot Die, Slide, Curtain, Coating Solution Handling, Coating Solution Measurements & Characterization, Coating Solution Preparation, Defects Characterization Causes & Cures, Dryers & Drying, Laboratory & Pilot Coaters
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06

Laboratory Coating Machinery Vendors

Posted by Edward Cohen on February 6, 2011
There are several coating hardware vendors who are providing a wide range of continuous laboratory coating machines. These machines are far more effective than the old hand-coating methods. This table lists the vendors of these machines. It was assembled by Ted Lightfoot and Ed Cohen. Laboratory C...

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Posted in: Laboratory & Pilot Coaters
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Blogmaster

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Dr. Edward D. Cohen

Dr. Cohen is a technical consultant in all aspects of the web coating process. His expertise includes thin film coating and drying process development, coating application and drying of thin films, polyester base development, film defect mechanisms, formulating coatings, image analysis techniques for characterizing coating films and litigation support.

He has over 45 years experience in coating research and manufacturing technology with the DuPont Company and as a technical consultant to the converting and composites industries

He has extensive publications in the field and has co-authored several books: Modern Coating and Drying Technology, Coating and Drying and Defects: Troubleshooting Operating Problems, and chapters in Kirk-Othmer Encyclopedia of Chemical Technology and Water and Solvent Based Coating Technology. His honors are the John Tallmadge Award for Contributions to Coating technology, the AIMCAL President's award in recognition of Meritorious Service to AIMCAL and the Converting Industry, and the ISCST Founders Award. He was the founding president of the ISCST. He has a Bachelor of Science in Chemical Engineering from Tufts University and a Ph.D. in Physical Chemistry from the University of Delaware.