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bradyindia
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Join Date: Apr 2009
Posts: 2

Inkjet Printers, Polypropyelene (PP) and Water Resistance

04/06/2009 1:55 AM

1. Printing should be done on the Polypropelene material with Ink jet printers like a.Primera Inkjet Printer, b.Bravo I , II , c. Canon 3500 , 5000 , 8000

2. It should get dried within 5 secs

3. After drying , when you touch it with wet cloth (or) when it is soaked with water - Ink should not get smudged or rubbed out

Kindly revert with your recommendations on Polypropyelene material and water resistant inks for the above or the equivalent.
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bloefeld
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Join Date: Mar 2009
Posts: 29
Good Answers: 1
#1

Re: Inkjet Printers, Polypropyelene (PP) and Water Resistance

04/06/2009 10:47 PM

More information is required. Is the poly pro a film?

If so, then the film should be treated with plasma, corona, flame, or chemical treatment like fluorine or sulphination.

The difficulty printing on polyolefin is its low surface energy. As a rule of thumb one needs a 10 dyne/cm2 differnence between the surface energy of the substrate and the surface tension of the ink.

So, for your application you need to find a solvent borne ink that has surface energy of less than 20 dynes in a solvent that flashes off very quickly. I would say stand back because you are going to start some stuff on fire with this set-up.

Cheers,

Bloefeld

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bradyindia
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Join Date: Apr 2009
Posts: 2
#2
In reply to #1

Re: Inkjet Printers, Polypropyelene (PP) and Water Resistance

06/04/2009 11:07 PM

Sorry for late reply and i faced some technical problems continuously in accessing the blog.

The material is a label facestock and has to be printed in the inkjet printers, it has to get dried in a few, say about 30 secs. After drying, once it is splashed with water, the printed inks should withstand.

Is it a phenomenon related to the coating of the material or the printing inks ?
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