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I would like to ask for advice about the best epoxy to glue mica discs on teflon. I am working in liquid doing force curves and I am not sure about the cleanliness of the epoxi I am using. The issue is that the water is in contact with the epoxy and I fear some contaminants can go to the solution. The one I use works ok for imaging (phospholipid bilayers) but when it comes to force spectroscopy I would like to ensure that the solution is as clean as possible.
Why not to machine in the teflon pads square recesses for, eg. 11 X 11 mm^2 mica
sheets (use tight fit and corner loops at sharp angles). Then just prese mica sheets into it.
It might work and will have probably the cleanest environment possible.
Folks using the Surface Force Apparatus to measure intermolecular and/orsurface forces have been using thermosetting resins to adhere theirsilvered mica sheets to the crossed cylinders for years with no adverseeffects. Epon resins 1004 and 1009 are suitable for aqueous solutions upto 60C.