Advances in Adhesion with CO2-based Atmospheric Plasma Surface Modification, 2008 PLACE Conference

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The use of gas and/or liquid-phase carbon dioxide (CO₂) with atmospheric plasma discharge surface pretreatment technology can remove micron and submicron particulates and hydrocarbon-based contaminations on plastics and metals. The cleaning process is based upon the expansion of either liquid or gaseous carbon dioxide through an orifice. The paper provides an understanding of the basic removal mechanism and provides experimental evidence of remarkable adhesion improvements relative to a broad range of applications in packaging, electrical, medical, and automotive manufacturing communities.