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Using Static to Adhere Plastic Sheet

05/02/2015 2:16 AM

Hi all

How do I apply a static charge to plastic sheets?

I have a project where I am required to temporarily adhere two 200 micron (0.008") plastic sheets over about 1m2 and one of my thoughts was static electricity. These sheets are joined together on two edges. The solution would also require a simple device to "de-static" the sheets on site.

The sheets have a silicon coating on the faces and this may negate the idea before we start.

Thanks Tony

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#1

Re: Using static to adhere plastic sheet

05/02/2015 2:27 AM

How about something like this cut in small pieces perhaps....a little easier to control...

http://thefixturezone.com/cladpa.html

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#2

Re: Using static to adhere plastic sheet

05/02/2015 3:14 AM

Have a look at a Tribolectric series chart.

Rub one piece of plastic with an item from the +ve side of the chart from plastic, and the other piece with something from the -ve side.

This should impart unlike charges on each piece and, as unlike charges attract, you may get what you require.

There's not a lot of products that are more -ve than some plastics, but depending on your plastic type, you may be lucky.

Rubbing just one piece with a far +ve item may suffice for you.

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#3

Re: Using static to adhere plastic sheet

05/02/2015 10:27 AM
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Commentator

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#6
In reply to #3

Re: Using static to adhere plastic sheet

05/05/2015 11:34 AM

I found that no matter how long I rub a balloon on my cat he keeps falling off the wall...

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#8
In reply to #3

Re: Using static to adhere plastic sheet

05/06/2015 9:55 AM

Lyn: At least it wasn't a link to a Bruce Jenner look-alike contest where the balloons are placed under the sweater!

OP needs to provide more information up front - and has only later admitted this is a sensitive biomedical application...

That rules out everything, and I still do not know how to join two rectangular sheets of plastic on two edges. I can see joining one edge of each (with slight overlap if that is allowed), or I can envision a completely overlay using a registration pin set (done in photography sometimes or at least used to be done).

If the OP could please provide the exact geometry? Did he mean to say two corners overlap?

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#4

Re: Using Static to Adhere Plastic Sheet

05/03/2015 12:06 AM

For removing the charge, there are relatively inexpensive hand-held ion guns used to discharge things around ESD sensitive areas available.

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#5

Re: Using Static to Adhere Plastic Sheet

05/03/2015 2:53 PM

On thinner material I use H20, with a small amount of surfactant, allows me to squeegee out the wrinkles...

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#7

Re: Using Static to Adhere Plastic Sheet

05/05/2015 9:35 PM

Thank you all for your contributions, especially yours TommyTech and I trust your cat is back on terrafirma chasing lab rats.

I have learnt a lot about static, and the more I learn, the harder the task looks and to top it off, the client reeled in horror at the thought of the static close to sensitive medical equipment and the strong possibility of it being a dust magnet.

I will look for a different solution.

Tony

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#9

Re: Using Static to Adhere Plastic Sheet

05/06/2015 9:59 AM

Do you really mean to say silicon coating, or did you mean to say silicone coating? If silicon, is this some sort of X-ray plate?? for a large animal?

Precisely what sort of elephant are we feeling up this week? (this is a reference to blind engineers (of which we have one at our power company)).

Everyone seems to be off in ready, fire, aim mode again, while I would prefer to find out exactly what you want before I suggest a solution (other than go punt).

I guess until I know more, you could try a couple of these??

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#10
In reply to #9

Re: Using Static to Adhere Plastic Sheet

05/06/2015 10:49 AM

Sorry my bad spelling, silicone.

The reason for the post was to get information on static, as this is no longer worth pursuing, I'll close the post.

Thanks Tony

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Ed Watts (1); geraldpaxton (1); James Stewart (2); lyn (1); SolarEagle (1); spades (1); TommyTech (1); Tonymech (2)

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