Viscosity of polystyrene near the glass
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Richard C. Penwell; Roger S. Porter
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Article
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1969
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John Wiley and Sons
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English
β 574 KB
A quantitative explanation is given for the apparent viscosity increase with increasing capillary shear rate for polystyrene at temperatures approaching the glass transition, T,. Possible shifts in T, as a function of the parameters shear rate, frequency, and pressure are interrelated to viscosity