In this podcast, we will talk with Bob O’Boyle at Sun Chemical to learn what barrier coatings are and how they benefit the customers of package printers.  Speaker: Robert O’Boyle is a product manager of coatings at Sun Chemical. O’Boyle has been in the industry for 35 years and has been instrumental in developing and advanc­ing nanoparticle technology. Sun Chemical offers unique high oxygen barrier coatings – SunBar – which focus on eliminating a laminated structure.