Plasma versus solvent treatment to improve surface adhesion properties


Flame treatment improves the surface adhesion qualities of plastics prior to the application of paints, inks or adhesives. Once a surface is flame treated, coating ability is greatly improved leading to increased durability of the finished surface.

Flame treatment technology is widely accepted by the automotive industry, one prominent example is the use of flame treatment throughout the automotive industry for the surface adhesion improvement of polypropylene car bumper moldings prior to painting. The flame treatment guarantees the paint adherence over 100% of the surface area of the bumper, replacing the use of primers. The high quality demands of the automotive industry and the harsh environment extremes that a car bumper has to endure such as temperature, sunlight, water and impact prove the worthiness of the flame treatment technology.

Surrounding factors for selecting flame treatment are economical and environmental as flame treatment is very low cost to run because the gas cost is very low compared to the use of solvent-based primers and eliminating primers has the benefit of eliminating the associated solvent emissions making the paint process overall much more environmentally friendly.
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