By Darryl A. Boyd, Colin C. Baker, Jason D. Myers, Vinh Q. Nguyen, Woohong Ki and Jasbinder S. Sanghera, Optical Sciences Division, Naval Research Laboratory and Collin C. McClain and Christopher G. Brown, University Research Foundation, Greenbelt, Maryland Note from the Editor: The polymers described in the following proceeding are being developed for use as infrared (IR) … [Read more...] about Development of Novel Optical Materials Using Sulfur-Based Chemistry
Regulatory News
20 High Priority Chemicals Listed for TSCA Risk Evaluation The US Environmental Protection Agency (US EPA) is meeting a statutory requirement under the 2016 amendments to the Toxic Substances Control Act (TSCA) by proposing to designate 20 chemical substances as High-Priority Substances for upcoming risk evaluations. The proposed designation is a required step in a new process … [Read more...] about Regulatory News
Photoinitiator Effect on Depth of Cure in Visible Light Cure Polymerization
By Shuhua Jin, Erik Kareliussen and Chih-Min Cheng, Henkel Corporation This paper will be presented at RadTech 2020 in Orlando, Florida, March 9-11. For a full programming schedule, visit https://radtech2020.com/. Abstract The choice of photoinitiator (PI) is an important factor in the polymerization characteristics of light cure materials. This study investigated the … [Read more...] about Photoinitiator Effect on Depth of Cure in Visible Light Cure Polymerization
Proper UV Cure Specifications are a Piece of Cake
Bon Appétit tracks down recipes of special dishes that readers have enjoyed at restaurants. Imagine obtaining the recipe of a decadent chocolate cake. You purchase, measure, sift, mix and blend the ingredients, and when it is ready to go in the oven, the recipe says to “bake for 20 minutes.” Having only the time is not helpful. What is the oven temperature? If the recipe … [Read more...] about Proper UV Cure Specifications are a Piece of Cake
Top 5 UV+EB Technology 2019 Articles
While work on the first issue of 2020 is well underway, we paused to see which UV+EB Technology articles from 2019 caught the eyes of our readers. The following five articles were the top reads from 2019 for visitors to the website. 1. State of UV LED Curing Applications The list of viable UV LED applications continues to grow – as does the number of system suppliers, … [Read more...] about Top 5 UV+EB Technology 2019 Articles