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Study of Rheology of Flame-Retardant Copolyester Nanocomposites

A new type of nanocomposite was composited by the way of copolymerization of flame-retardant monomer DDP, PET monomer, terephthalic acid and ethylene dlycol. This article mainly researched the rheology behavior of different slices such as its apparent shear rate and shear stress and the relationship of the both in the use of capillary rheometer, and at the same time, the data of viscous flow activation energy of different sample were obtained. The result shows that under the same temperature, it is the PET/10%DDP/3% BaSO4 that is the best on the mobile performance that needs less shear stress and the temperature control in need is less strict than PFRP.