Plasma TECHNOLOGIES CAN BE USED in many ways

Atmospheric pressure plasma treatment facilitates surface preparation operations prior to bonding, painting, varnishing or cleaning steps – a boost that rapidly spread in all industrial sectors.

Here below are some examples.

Let’s get in touch to discuss your projects – whatever materials you are planning on using or industrial operations you will carry out.

AcXys Technologies has the expertise and experience to offer solutions that will smoothly integrate your production lines and meet your specific requirements.

Main applications for atmospheric pressure plasma treatment

Plasma treatment will not only remove organic residues on the material surface, but also bring new chemical functions that will drastically increase surface wettability for glues, inks, paints and varnishes.
The treatment is also a smart way to reduce the use of chemical compounds – more than often sources of environmental pollution (COVs).

The materials suitable for an efficient plasma treatment are incredibly various: metals, glass, papier, cardboard, polymers (Polypropylene, polycarbonate, polyethylene, PVC…), composite materials…

Surface cleaning and decontamination

A treatment with atmospheric plasma is an efficient and effective way to finish clean materials’ surface as it removes thin layers of organic or oil-based molecules.

For example, water-soluble oil residues found on aluminium surfaces can be removed within seconds thanks to plasma cleaning. Treated parts are almost immediately available for the next steps.

Copper oxide reduction

Plasma activation prior to bonding

Plasma treatment enhances bonding capacities to meet industrial requirements – with no use of a primer..

This surface treatment will change the nature of the interface failure : from adhesive, the sealing becomes cohesive hence reaching high breaking strengths.

Left: easy adhesive failure
Right: cohesive failure

Plasma activation prior to injection molding

In order to reach its full potential and technical objectives, operating injection molding on a material requires a flawless adhesion of the upper layer onto the under layer.

Because a treatment with atmospheric pressure plasma brings flexibility and an extraordinary ability to be applied on various shapes and materials – this simple solution is highly compatible with running production lines and overmolding procedures.

ULD plasma activation on aluminium prior to an overmolding procedure

Plasma activation prior to marking and decorating steps

While playing on wettability and increasing adhesive capacities, a plasma treatment is key to improving printing quality, and reducing both ink use and embellishing substances used on glass or polymer.

Microscope view of a drop on paper before and after plasma treatment

Plasma treatment prior to painting or varnishing operations

Plasma treatment will alter the surface of materials to be painted or varnished, hence increasing adherence of applied products but also drastically enhancing the final output.

Variation of the contact angle of a drop on polyethylene before and after treatment

Thin layers deposit

Injecting a carefully picked precursor into plasma will lead to the influx of a homogeneous thin layer that will deposit onto the treated surfaces.

When carried out in an atmospheric pressure environment, the CVD (chemical vapor deposition) will be generated at low, or room temperature – on any material.
Atmospheric plasma process enables material deposits on plastic, composite, metal or glass surfaces.

Applications for this process are vast – and sometimes remain unexplored. Deposited layers onto materials open new areas for enhanced functionalities.
Silicium deposits (SiOx) is now a well-known and attractive process to consider for the following applications:

  • Apply an amines-based primer layer (NH2)
  • Add optical features
  • Add anticorrosive layer on metallic surfaces