Strains and Stresses in Cellulose‐Nitrate Films: The Phenomenon of Curling of Dopes on Non‐Rigid Substrates such as Fabric

THE phenomenon of curling of systems comprising colloids such as cellulose nitrate, deposited on non‐rigid substrates such as paper or fabric, has been known for nearly a century. There is, however, no indication in the literature of any attempt to correlate this behaviour with, for example, the phenomenon of the bending of plates. The present investigation presents certain analogies, which enable us to interpret much of the behaviour of these colloid systems on substrates.