Reptation is the thermal motion of very long linear, entangled macromolecules in polymer melts or concentrated polymer solutions. Derived from the word reptile, reptation suggests the movement of entangled polymer chains as being analogous to snakes slithering through one another.

REPTATION OF STARS
Generalized reptation model
On the reptation theory of gel electrophoresis
Reptation of a Polymer Chain in Presence of Fixed Obstacles
Reptation of a Polymer Chain in the Presence of Fixed Obstacles
Reptation and Contour-Length Fluctuations in Melts of Linear Polymers
Role of reptation in the rate of crystallization of polyethylene fractions from the melt
Polymer Motion at the Crossover from Rouse to Reptation Dynamics
Dynamics of polymer solutions and melts. Reptation predictions and scaling of relaxation times
Packing Length Influence in Linear Polymer Melts on the Entanglement, Critical, and Reptation Molecular Weights