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Low Pressure Plasma Treatment of 3D Shapes
Making a non-absorbing fabric regarding oils: AATCC test method 118-2002/NF EN ISO 14419 Grade 7 obtained
Surface property modifications
Plasma treatment allows to adapt the surface properties of a material to the proposed application.
Enhance or decrease the wettability
Hydrophilic treatment (SiO
Hydrophobic treatment (silicone, fluorination).
Oleophobic treatment (fluorination).
Remove the sticky feel of an elastomer by depositing a "silicone" layer.
On polymer (PP for example): plasma activation + post-grafting of lubricious molecule.
Chemical functionalization of a surface
Polymer surface activation.
Acrylique acid, allylamine deposition.
Barrier layer deposition
In pharmaceutical, foodstuff fields, the shelf life of products directly depends on the quality of packaging.
An adequate layer deposition on packages or polymer films can increase their barrier against oxygen and water vapor.
CPI is able to obtain very good barrier properties on 3D substrates (ø < 300 mm – h < 400 mm).
See case study here.
Gliding treatment of intraocular implants and IOL injection devices. The treatment allows the implant to slide easily into the injection device when implanted in the eye
DECR plasma reactor used for deposition of barrier layers
TEM image of the cross-section of a deposit consisting of two barrier layers (dark) separated by an organic layer on a PET film
Oxygen and water vapor permeability of polymer films after depositing various barrier layers
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