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topic 1125

Plasma or corona treatment of plastics before metallizing


I am trying to plate nylon and spandex fabrics with metals and am looking for information about the effectiveness of plasma or corona applications to prepare the surface of the polymer. Also looking for how-to advice

thanks much.


Russ S [last name deleted for privacy by Editor]



You might look at the Proceedings of the Annual Technical Conference of the Society of Vacuum Coaters. Every year they have a number of papers on plasma treatment of polymer surfaces for enhanced adhesion of films deposited by vacuum deposition.

Donald M. Mattox
Society of Vacuum Coaters
Albuquerque, New Mexico

Ed. note: Mr. Mattox is
               the author of -->


I am researching surface treatments for polymers (polyurethanes, Teflon, etc.) which will improve the adhesion of printing inks. Currently use a batch plasma treatment prior to printing with adequate results. However, I would like to explore other processes and technologies (corona?). Seeking knowledge.


Scott N [last name deleted for privacy by Editor]
Harleysville, Pennsylvania



Both corona and flame treatments are used to activate surfaces in air for printing.


Donald M. Mattox
Society of Vacuum Coaters
Albuquerque, New Mexico

Ed. note: Mr. Mattox is
               the author of -->


The company I work for puts down metal films on plastic using plasma based methods. First they are cleaned with an Argon glow discharge (corona). This removes oxide build up (which is typically bad for adhesion) and breaks some of the polymer bonds leaving free radicals which are ready for bonding to the deposited metal(s).

John Davis
John Davis
- Berthoud, Colorado, USA


We are trying to find a better way to screen print Polyethylene and Polypropylene lids for plastic boxes. Currently we flame threat them, but have difficulty stopping warping of the lids and distortion. Have heard of a Corona Discharge process being used to treat the lid before printing.

Please can you direct me.

Many Thanks

Lawrence S [last name deleted for privacy by Editor]
- Auckland New Zealand


I am trying to reduce the adhesion of rubber parts. I am looking for information about surfaces treatments (plasma, corona discharge).


Morvan X [last name deleted for privacy by Editor]
- Saint Brieuc, France


I found a treatment that works on atmospheric conditions and potential free (no corona!). It has an excellent effect on TPE (Santoprene), PP, PE etc. and metals in one procedure.

Uwe H [last name deleted for privacy by Editor]
- Bad Meinberg Germany


Welcome to finishing.com, folks! This forum is for camaraderie and public sharing of technical information. If you've found such a treatment, please tell us what it is, don't just tell us you found it :-)

(If you are making a commercial offering, you are invited to advertise on this site; but we can't ask our supporting advertisers, who generously make this forum possible, to pay for commercial postings by their competitors).

Thanks for your understanding! Ted Mooney, finishing.com Teds signature
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey


I am looking for a treatment that could be applied to the surface of silicone rubber to allow screen printing to be done. Would corona or plasma treatment be the answer as silicone rubber is well known for its release property? Thanks.

Von C [last name deleted for privacy by Editor]
- Klang, Selangor, Malaysia


I am researching surface treatments (especially corona!) for PE film, Rubber, EVA. So I need information about corona treatment, equipments,

Please give me response...

Yi Eun Ju
- Pusan, KOREA


We are a converter company based in Turkey, covering various films such as PE,OPP;PET,PVC,etc that handles over 15.000 tons of film per annum and uses corona treatment in our plant currently.

Plasma treatment is considered as one of the newest techniques which enables the enhancement of the metal adhesion on the film surface better than the regular metallization application.

I would be very pleased to get a detailed information.

Best regards,

Nesli P [last name deleted for privacy by Editor]
- Istanbul TURKEY


Plasma surface treatment is widely used to improve adhesion to most polymeric materials. The technology is most widespread in the Medical device industry and has been around for a very long time.

Robert D [last name deleted for privacy by Editor]
- Corona California USA


I am looking for a 3D treatment process for surface treatment of carbon filled PEKK in preparation for nickel plating

Scott D [last name deleted for privacy by Editor]
New Britain, Connecticut


Looking for literature and/or technical papers on Corona and Flame Plasma treatments. Haven't been successful finding any on the net. If anyone has any idea where such papers are located (other than my local library), please post it here. Thanks

Alec T [last name deleted for privacy by Editor]
- Simi Valley, California


I want to metallize a plastic surface, at the moment I am finding it hard to get Chromium and Titanium to stick to it. Are there any useful methods that I could use to treat the surface (this plasma method looks promising) and any methods for applying metal to the surface. Don't hesitate to respond. I am a research student.

Kerrie C [last name deleted for privacy by Editor]
- England


If electrochemical methods fail, try plasma clean and vacuum sputtering. It may be available at your university.

Mandar Sunthankar
- Fort Collins, Colorado


I need to know the best way to prepare fiberglass surfaces (Polyester resin) for adhesion. I am familiar with Corona discharge treatment, but I want to know will UV treatment work as well?

Daniel H [last name deleted for privacy by Editor]
architect - Morristown, New Jersey, USA


Dear Sirs,

I have a product where I am screening a plastisol onto a polyester twill fabric. The plastisol ink does not adhere strongly to the polyester fabric, would corona treating the polyester fabric before the ink applied increase the adhesion enough so that the plastisol ink will go through a home laundry?

Bill L [last name deleted for privacy by Editor]
- Chesterfield, Missouri, USA


We have experience working with various technologies including Flame Treatment, Corona Treatment, and Modified atmosphere Treatment. Each has their place you will need to work with a supplier of such equipment to determine which technology is best for you. Most companies have access to these technologies and will work with you at no charge to determine what works best for you.

Scott K [last name deleted for privacy by Editor]
- Hartland, Wisconsin

July 9, 2008

Corona treatments are short lived processes for plastics and usually require an in line process such as treating films for metallizing or application of pressure sensitive treatments. In vacuum plasma is a lifetime treatment of plastic materials as well as elastomers. Storage of treated materials is not limited by time. Various chemistries of gas, RF energy and vacuum are used to produce dramatically improved adhesion for inks, adhesives, paints, etc.

Dave Biering
- Yorba Linda, California USA

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