Wai-shing Yung, Ph.D.
Technical Director, Ascend Performance Materials
BIOGRAPHYWai-shing Yung is Technical Director for Fibers at Ascend Performance Materials. He has experience in nylon 66 polymer and fibers, covering production, process and product development, as well as strategic growth. He holds a PhD in Chemical Engineering from the University of Illinois at Urbana Champaign.
10:15 am - 11:15 am
Filtration Media Functionalized with Zinc Oxide
We report a newly developed technology where filter media are constructed with nonwoven or textile fabric layers that possess the build-in ability to inactivate bacterial and viral strains. This will potentially reduce the impact of air borne infectious diseases. The textile fabrics and nonwoven layers are produced from polymer with zinc oxide embedded uniformly throughout the polymer, without the need for any topical treatment or post finishing applications. This technology utilizes zinc oxide to inactivate bacterial and viral strains to protect the media. No chemicals that are detrimental to the environment are used. This technology is well suited for applications such as face masks, air filtration, and ventilators. A description of this unique technology as well as relevant filtration efficiency and bioefficacy performance will be presented.