Abstract: Recent progress in the studies of dynamic rheology for multi-component/multiphase polymer systems including polymer blends, block copolymers, particle filled polymers and sol-gel polymers was reviewed with 41 references.Compared with homogeneous polymers which followed the linear viscoelastic model, the characteristic dynamic rheological behavior in the terminal region for multicomponent polymers was discussed in detail.It was concluded that dynamic rheology measurement can be regarded as an effective method for the structure and morphology characterization of those polymer systems.

Key words: Multicomponent polymers, Dynamic rheology, Linear viscoelasticity, Terminal region, Structure and morphology