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| Author | Topic: New extrusion tech & PVDF |
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novadan Senior Member Posts: 8 |
posted September 14, 2009 11:52 AM
  
Hello all New here and new to my job as an extrusion tech. We are trying to blend PVDF and PE and extrude thru a monofliament die. Anyone have any experience with PVDF. A build up of material forms around the exit material causing a flow issue. Any thoughts or info would be a great help. I know this is only scrapping the surface but I have to start somewhere. Thanks IP: Logged |
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Tom C Moderator Posts: 957 |
posted September 14, 2009 12:10 PM
Are PE and PVDF compatible? I would not think they are. The incompatibility would be the cause of the buildup. See my article on die buildup here; http://www.ptonline.com/articles/200901ts1.html Compatibility problems are mentioned as a cause for die buildup. ------------------ Tom Cunningham www.ExtrusionTechnicalServices.com IP: Logged |
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novadan Senior Member Posts: 8 |
posted September 14, 2009 12:51 PM
Thanks Tom Thats the type of buildup on our die that is shown in the pic on that info you supplied. I'll be back with more??? IP: Logged |
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Steve H Moderator Posts: 422 |
posted September 15, 2009 03:00 AM
You're going to need a compatiblizer to do that [This message has been edited by Steve H (edited September 15, 2009).] IP: Logged |
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novadan Senior Member Posts: 8 |
posted September 15, 2009 12:00 PM
A compatbilizer? Is there more info on this? IP: Logged |
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Steve H Moderator Posts: 422 |
posted September 16, 2009 04:10 PM
quote: Google is your friend  , a number of papers have been presented at SPE ANTECs, if you are in extrusion and not a member of SPE (Society Of Plastic Engineers), you are missing out on a great resource www.4spe.org , TAPPI's film extrusion manual will give you some pointers too.IP: Logged |
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