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...]

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...]

Guest Post by Dan Lamone UV-curable resins that utilize a cationic photopolymerization mechanism behave differently than the free-radical polymerizable resins that we discussed in the past two weeks. While cationic resins use UV light to initiate polymerization, these systems utilize completely different photoinitiators, monomeric materials and have their unique advantages ... [Click to Continue...]

Guest Post by Dan Lamone Image courtesy of LED Magazine Product performance for free-radical curing UV resins can be tailored to meet many customer requirements due to the wide range of monomeric and oligomeric materials available. Most free-radical curing UV resins employ the unsaturated functionality of acrylate (including methacrylates) for curing but allyl and ... [Click to Continue...]

Guest Post by Dan Lamone Many commercial systems use UV exposure to initiate curing as seen in the image above (courtesy of Dymax, www.dymax.com )  Free radical generating photoinitiators are used to cure through double bonds, most commonly acrylate and methacrylate monomers or oligomers. There are two types of free-radical generating photoinitiators, designated as Type ... [Click to Continue...]