the collodion might work well with your film, if you decide you don't mind all that ether and the feeling of
being a madscientist ... you would just bow the film and have it "kiss" the collodion ..
but then you'd have to do it someplace ventilated, before you add your emulsion to it, and removing it
might be as simple as with the glass. when i used it i'd pour it into a little plastic mold, and it came off the
plastic pretty easily ... i seem to remember putting on the back of photographic film too ( 4x5 olde tmy )it was OK ...
another suggestion might be "water glass" the stuff the coat eggs with ( sodium silicate ) .. i haven't played with
it in a long time, it might take inks and dyes too, and i know it isn't sensitive to temperature like collodion ...