Give it the plasma treatment: Strong adhesion without adhesives

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A research team has used plasma treatment to make fluoropolymers and silicone resin adhere without any adhesives. Heat-assisted helium-plasma treatment created oxygen-containing functional groups on PTFE or PFA, while open-air plasma-jetting installed silanol groups on vulcanized PDMS. Under pressure, the treated PDMS strongly adhered to the treated polymers, copper, and glass through covalent and hydrogen bonds of silanol. Adhesive-free adhesion allows resins and polymers to be used in food and medicine industries.

from Latest Science News -- ScienceDaily http://bit.ly/2Q3jTUU

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