Glass Transition Temperature - MIT OpenCourseWare
Molecular weight dependence of the viscosity. H Viscosity units: Poise = dynes • s/cm2 = g/cm • s M c PS of various MWs η o = zero shear rate melt viscosity M c M e Characteristic molecular weights for selected Polymers. Polymer species Me Mc Polystyrene 1,4-Polybutadiene Polyvinyl acetate Poly(dimethyl siloxane) Polyethylene 1,4-Polyisoprene
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