Separation Film for Prepregs


Separation Film for Prepregs
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casci
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casci
posted 5 Years Ago HOT
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Hello, is there an article or experiment about separation films?
In literature, mostly used technique is polyethylene film covering on one side and silicone release paper on the other side. However, I could not find any reason of that usage. Is only one sided separation leads a problem?
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Separation Film for Prepregs
casci - 5 Years Ago
     You could use teflon impregnated fibreglass fabric (without sticky back side), it will release great from both sides and is also durable/re-usable.
Fasta - 5 Years Ago
             Thank you for your reply. But I would like to learn something else. Is a prepreg roll,which has release liners on each two side, show different characteristic (such as strenght, tackness etc.) from a...
casci - 5 Years Ago
     I did not read any scientific work about it, but I think the main reason two sides are used is that prepregs are often cut on plotter tables, wich need both sides protected to stay relatively clean.....
oekmont - 5 Years Ago
             Thank you for sharing your opinions. I agree with you completely. And, I've read a article about that question last week. It was saying; if the prepreg is unidirectional, top side of the prepreg is.....
casci - 5 Years Ago
     For unidirektional prepreg you definitely need the unstickiest surface possible, because it will simply fall apart if you need to much force to peel of the protection.
oekmont - 5 Years Ago

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