Topic: Long-term adhesion with warm melt adhesives. Improved adhesion when bonding PP (polypropylene).
Openair® Plasma makes it a reality: long-term adhesion with new warm melt adhesives
The
Openair® Plasma process makes it possible for the first time to
achieve reliable results when using newly developed one-component
warm-melt polyurethane (PUR) adhesives on non-polar plastics, such as
polypropylene.
Pretreatment with Openair® Plasma generates the required high
surface tension on the materials to be bonded.
The
technique for combining Openair® Plasma with warm melt adhesives was
successfully developed in collaboration with adhesives manufacturer
Sika.
The advantages of warm melt adhesives:
- High green strength
- Fast inline leakage testing
- Increases productivity (>15%)
Partners & References
Hella Australia Pty Ltd.Quality assurance with Openair® plasma
In 1995, Openair® plasma technology was used for the first time in standard production of automobile headlamp housings in Germany. Today, it has become an established part of applications around the world. At HELLA, Australia, the high process safety of the plasma process is especially valued.
