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Viscosity/temperature relationships for dilute solutions of high polymers

✍ Scribed by R.J. Fort; R.J. Hutchinson; W.R. Moore; Miss M. Murphy

Publisher
Elsevier Science
Year
1963
Tongue
English
Weight
585 KB
Volume
4
Category
Article
ISSN
0032-3861

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📜 SIMILAR VOLUMES

Viscosity-temperature relationships for
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Values of Q and A in the expression ~ = A exp (Q/RT)have been obtained for dilute solutions of fractions of a Bisphenol A polyearbonate in five solvents. The apparent activation energy of viscous flow Q varies with concentration c and molecular weight M according to where Q0 refers to the solvent a

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## Viscosity-Temperature Relationships for Dilute Solutions of Poly(cyclohexy1 Methacrylate) in Methyl Isobu tyl Ketone Usually, the temperature dependence of the absolute viscosity q can be written as where RTis the thermal energy and Q is the apparent activation energy of viscous flow which is c