Fluctuating Entanglements in Single-Chain Mean-Field Models

摘要: We consider four criteria of acceptability for single-chain mean-field entangled polymer models: consistency with a multi-chain level description, nonequilibrium thermodynamics, the stress-optic rule, and self-consistency between Green–Kubo predictions linear viscoelastic infinitesimally driven systems. Each these topics has been considered independently elsewhere. However, we are aware no molecular entanglement model that satisfies all simultaneously. Here show an idea from Ronca Allegra, generalized to arbitrary flows, can be implemented in slip-link create does satisfy criteria. Aside direct benefits agreement, result modifies relation initial relaxation modulus G(0) weight Me. If this implementation is correct, current estimates Me would require modification brings their values more line based on topological analysis dynamics simulations.