The effects of the nature of the backing material, the compression of the monomolecular film, the rate of dipping and the temperature upon the ability of the films to be picked up were studied. Certain generalizations may be made in regard to preparing built-up films.(1) The monomolecular films on the water surface must be in the “solid condensed” state to be capable of transferring many layers to a solid backing.(2) The formation of the “solid ...
