Corona Treatment and Surface Modification

Corona Treatment of Plastics Corona Treatment of Plastics Corona Treatment Corona Treatment Corona Treatment Corona Surface Treatment
  • Corona Treatment of Plastics
  • Corona Treatment of Plastics
  • Corona Treatment
  • Corona Treatment
  • Corona Treatment
  • Corona Surface Treatment

What is Corona Treatment?

Corona is a visible electrical discharge which occurs when a high voltage, high frequency electrical potential is applied to a small diameter electrode in relatively close proximity to an electrical ground. The resulting electrical discharge is known as a "Corona Discharge". This corona discharge will cause partial ionization of the surrounding atmosphere and can be used for surface modification. 

Click to read our eBooks: Corona TreatmentSurface Energy Testing, Web and Label Treating

How does Corona Treatment work?

To obtain good adhesion to materials that have a low surface energy i.e. low or non-polar materials like PP, PE, HDPE etc. we recommend the corona treatment of plastics in which we create a high voltage, high frequency electrical discharge or corona discharge in close proximity to the part to be treated. This high energy corona discharge is attracted to the material severing the molecular bonds on the surface. These severed bonds are now free to attach to free radicals and other particles that exist in the highly active corona discharge environment. The resulting formation of additional polar groups on the material surface have a strong chemical attraction to inks, paint, coatings, adhesives etc. leading to significantly enhanced surface energy and therefore adhesion.

Watch this short film too see how corona treatment is applied to pipes prior to application of printing inks


What Can Corona Surface Treatment Do For You?

Dyne Technology supplies Corona Treatment solutions to improve the surface energy of plastic and rubber parts prior to the application of paints, printing inks, adhesives, coatings, sealants etc. Corona surface modification equipment is widely used throughout a diverse range of industries and onto an ever increasing list of substrates. Our growing list of customers includes many in the following industries: medical, automotive component, electronics, electrical cable, extrusion, ophthalmic lenses, pipes, tubes and many more. Through our many years of experience and continuous product development we have become one of the leading suppliers of Corona Surface Modification equipment.

Components processed:
• Conductive & non-conductive narrow webs
• Electrical cables
• Pipes & Tubes
• Medical devices
• Automotive components.
• Board & Foam
• 3D parts
• Extruded profiles
• Domestic appliances
And many more..
Modification prior to:
• Bonding/Gluing
• Coating
• Laminating
• Labeling
• Painting
• Flocking
• Printing
• Sealing
• Over moulding
• Gasketing
And many more...
Industries served
• Automotive
• Manufacturing
• Injection moulding
• Extrusion
• Electrical
• Medical device manufacture
• Research establishments
• Universities
• R&D Departments / Test labs
• And many more....
Materials processed
• PP
• PA
• PC
• Composites
• Acrylics
• Films
• And many more...


Whatever your equipment needs are in the field of Corona Treatment, Dyne Technology is here to help you find the most appropriate surface modification technology and equipment to solve your problem.

Our technical support team will be delighted to conduct a no obligation, free of charge process evaluation on your products. Simply send us a sample of your parts and we will evaluate the available surface treatment technologies and return treated parts to you for evaluation.

Please contact us to find out how Dyne Technology can help you or to request a quote.

Clients using Dyne Technology
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