Viscosity-temperature relationships for dilute solutions of cellulose derivatives: II. Intrinsic viscosities of ethyl cellulose
✍ Scribed by W.R Moore; A.M Brown
- Publisher
- Elsevier Science
- Year
- 1959
- Weight
- 534 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0095-8522
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
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
## 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