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UV Curing of Thermosets Part 10: Using UV Rheology to Monitor Curing

March 14, 2016 By Jeffrey Gotro Leave a Comment

I’d like to thank Dan for his series on UV curing of polymers.  As was pointed out, UV curing has many advantages over thermal curing in some applications.  Since I am a structure-property-process-property type of guy, the question is; how do you characterize UV curing of thermosets.  In the next couple posts we will discuss UV rheology methods and provide some key ... [Click to Continue...]

UV Curing Part Nine: “If You Can’t Measure It, You Can’t Manage It”. ~ Peter Drucker

March 7, 2016 By Jeffrey Gotro 2 Comments

Guest Post by Dan Lamone Image Courtesy: coatingsworld.com Last week the relationship between UV curable resins and power densities was introduced; this week we will discuss UV measurement and how you can use these UV measurements to evaluate a curing process. While shopping for a UV measurement device, ask yourself the following questions: Do I need to measure ... [Click to Continue...]

UV Curing Part Eight: With Great Power Comes Great Responsibility

February 29, 2016 By Jeffrey Gotro 1 Comment

Guest Blog Post by Dan Lamone Now that we’ve selected our bulb type and coverage area, we are now concerned with the amount of UV exposure to fully polymerize our resin. Our two key variables are energy density and power density. Photo Courtesy: Air Motion Systems, Inc. Most UV processes will evaluate energy density as energy / surface area, often in joules or ... [Click to Continue...]

UV Curing Part Seven: Let’s Turn On the Lights

February 22, 2016 By Jeffrey Gotro 1 Comment

Guest Post by Dan Lamone Designing a production process for UV curable resins requires production engineers to consider several main design variables: spectral output (wavelength), coverage area, energy density and peak irradiance (light intensity). This week’s post will focus on the first two variables while next week’s post will focus on energy density and power density. ... [Click to Continue...]

UV Curing Part Six: Cationic Resin Curing – The party does not stop when the lights go out!

February 15, 2016 By Jeffrey Gotro Leave a Comment

Guest Post by Dan Lamone While we have spent the past few weeks diving deep into the chemistry of UV curable resins, this post will begin our transition into production operations with UV curable resins. We have a little more chemistry to discuss but much of this post will focus on the production implications of cationic UV resins.  Image courtesy of Master Bond Monomer ... [Click to Continue...]

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Polymer Innovation Blog

I’m Dr. Jeff Gotro and welcome to the Polymer Innovation Blog. Over the last 40 years I have been involved in polymer research, along with product and process development. I acquired invaluable experience working for IBM, AlliedSignal, Honeywell, Ablestik Labs (now Henkel) and in multiple consulting projects. In this blog, I (along with some guest contributors) will share our experiences, tips, and “tricks of the trade” to get more out of your innovation efforts and discuss new trends and technical advances in the polymer industry.
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Polymers in Electronic Packaging

polymers in electronic packaging Are you confused about what is electronic packaging? Have you ever wondered what type of polymers and polymer-based composites are used in electronics? Learn More...

Practical Tips for Curing Thermosets

practical tips for curing thermosets Have you ever had a question about the degree of cure or is your part fully cured after processing? Confused about what is gelation or how does vitrification impact thermoset curing? Learn More...

Rheology of Thermosets

rheology of thermosets Have you ever had a question about measuring the rheological properties of thermosets Didn’t know what is the right experimental approach to get the right rheological information? Learn More...

Dielectric Cure Monitoring of Thermosets

Dielectric Cure Monitoring of Thermosets Do you have a need for an in-situ cure monitor for a thermoset process but don’t know where to start? Are you confused about the terminology used in dielectric spectroscopy? Learn More...

Introduction to Biopolymers and Bioplastics

Introduction to Biopolymers and Bioplastics Would you like to know how sustainable are bio-based polymers? Or what is the market size and growth rate for bioplastics? Or have questions about the biomass supply chain? Learn More...

Thermoset Characterization

Thermoset Characterization Have you ever had a question about how to measure a physical property of a thermoset? Confused about what is gelation or how does vitrification impact thermoset curing profiles? Or wondered how to measure the glass transition temperature of an epoxy or polyester composite? Learn More...

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