A relative absorbance spectrum of a hypothetical UV-HMPSA, and the hypothetical photoinitiator used in that PSA. It is common for UV-HMPSAs to include additives that absorb strongly in the same wavelength ranges as the photoinitiator used.

Investigation of UV-C LED as a Source to Cure UV Hot-Melt Pressure-Sensitive Adhesives

By Zachary Gatland, product development scientist, Mactac North America Ultraviolet-cured hot-melt pressure-sensitive adhesives (UV-HMPSAs) are acrylic pressure-sensitive adhesives that can be delivered and coated as...

Viscous Lithography Manufacturing: High-Viscosity Resins for High-Performance Parts

By Liz Stevens, writer, UV+EB Technology Supernova, based in Austin, Texas, is redefining additive manufacturing with its Viscous Lithography Manufacturing (VLM) process. By combining its...

Regulatory News – 2026 Quarter 1

Note: Thank you to Jennifer Heathcote, RadTech’s Board of Directors’ Secretary, for collaborating on this issue’s column. Metal Coatings Rulemaking and Win for Test Method The...
Lab conveyor used for tests

UV LED Measurement, Part 2: How Good is Good Enough?

Editor’s note: Part 1 of this column appeared in the Q3 2025 issue of UV+EB Technology and stressed the importance of using a measurement...

EB and UV for Coil Coating, Part 2

Editor’s Note: Part 1, which appeared in Quarter 3 UV+EB Technology, discussed how EB and UV were practical and sustainable solutions for the coil...
Illustration of how the coin cell is assembled using the prepared UV Binder/cathode electrode beginning with the sequence from bottom to top.

UV Binders For LiB, Part 4: Properties of UV-Curable Urethane Acrylate Copolymers Used in...

In this edition of Professor’s Corner, we will focus on properties of one-plot synthesis of UV urethane acrylate copolymers from simple building blocks and...
Toyota Industries Corporation’s Lexus International hydrogen-powered Recreational Off-Highway Vehicle with polycarbonate windshield

Automakers Employ UV for Coating and Glazing Advances

By Liz Stevens, writer, UV+EB Technology At RadTech 2025, RadTech presented its 2025 Automotive Innovation Awards to Ford Motor Company and Toyota Industries Corporation for...

YP Highlight #17: Alexander Osterbaan

Alexander Osterbaan completed his Ph.D. under Professor Christopher Bowman at the University of Colorado Boulder, where he focused on expanding the processing window of...

RIP Additive Manufacturing Hype

The hype cycle for additive manufacturing (AM) finally has run its course. For more than a decade, the industry was propelled forward by bold...
Benefits of lipoic acid as a photopolymerizable monomer, modifications to the carboxylic acid for the creation of high-value monomers. Dithiolane homopolymerization results in recyclable polydisulfides while copolymerization with alkenes (e.g., acrylates) yields materials capable of degradation to an oligomeric state.

Emerging Applications of 1,2-dithiolanes in Diverse (Photo)polymerizations

Review by Benjamin R. Nelson and Bruce E. Kirkpatrick, University of Colorado Boulder, Chemical and Biological Engineering Editor’s Note: This new section is designed to feature...
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