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Search results with tag "Understanding rheology of thermoplastic polymers"
Understanding Rheology of Thermoplastic Polymers
www.tainstruments.compolymers’ flow behavior at temperatures above the glass transition temperature (for an amorphous material) or the melting point (for a semi-crystalline polymer). Melt viscosity is a constant at low shear rates or frequencies. The viscosity in this region is known as the zero shear, or Newtonian, viscosity ho. For low molecular weight polymers
Understanding Rheology of Thermoplastic Polymers
www.tainstruments.comproperties. (Dynamic mechanical testing is considered the most sensitive method for measuring the glass transition and secondary transitions of polymers.) Moreover, rheological properties can be measured continuously as the material undergoes temperature-induced changes from amorphous to crystalline; solid to molten and vice versa.