The rheological properties of solutions and gels of gelatin in different solvents

Abstract A systematic study was made of the rheological properties of gelatin solutions and gels on replacing the solvent water by DMSO and formamide. A marked change in the character of the systems examined took place and in increase in their high elasticity was observed, the latter being due to changes in the nature of the bonds in the spatial network, and to changes in the conformations of the macromolecules. Contrary to statements published in literature, the results of these investigations show that the elastic modulus is largely determined by the type of solvent used in the case of gelatin solutions.