When manufacturing medical devices, only a limited number of certified source materials may be used, so material combinations are complicated, in particular for 2C injection molding. Activation with Openair® Plasma facilitates secure adhesion at the hard/soft interface, however, making it possible to nonetheless extrude non-compatible starting materials with each other.
A secure bond is also important when encapsulating inserts. In manufacturing inserts, for instance, the insert is placed in the die and it is encapsulated with polycarbonate. Pre-treatment with a potential-free, cycled Openair® plasma jet provides micro-fine cleaning of these metal inserts prior to injection molding.
The plasma energy simultaneously activates the surface, which ensures an absolutely impervious bond between the metal and the polycarbonate sheathing.
KUNSTSTOFFE INTERNATIONAL (2016/04)
MEDIZIN & TECHNIK (9/2012)