Prediction of crossover in the molecular weight dependence of polyethylene viscosity using a polymer free volume theory

Soft Matter ◽  
2020 ◽  
Vol 16 (32) ◽  
pp. 7458-7469
Author(s):  
Chi Pui Jeremy Wong ◽  
Phillip Choi
Keyword(s):  
Molecular Weight ◽  
Free Volume ◽  
Free Volume Theory ◽  
Molecular Weight Dependence

Crossovers in the molecular weight dependence of viscosity for polyethylene with different structures are captured by a free volume theory.

Parameters of the free volume theory in glasses with trigonal local coordination

2001 ◽  
Vol 10 (0) ◽  
pp. 147-151
Author(s):  
Т. М. Мельниченко ◽  
Т. Д. Мельниченко ◽  
Я. Я. Коцак ◽  
Я. П. Куценко ◽  
П. П. Пуга
Keyword(s):  
Free Volume ◽  
Free Volume Theory ◽  
Local Coordination

Development of a Method for the Prediction of Pressure-Viscosity Coefficients of Lubricating Oils Based on Free-Volume Theory

1989 ◽  
Vol 111 (1) ◽  
pp. 121-128 ◽  
Author(s):  
C. S. Wu ◽  
E. E. Klaus ◽  
J. L. Duda
Keyword(s):  
Free Volume ◽  
Good Accuracy ◽  
Temperature Relationship ◽  
Free Volume Theory ◽  
Simple Method ◽  
Lubricating Oils ◽  
Viscosity Coefficients ◽  
Data Points

A simple method based on free-volume theory to predict the pressure-viscosity coefficients of liquid lubricants has been developed. The method only requires the viscosity-temperature relationship and the viscosity at the temperature of interest. The method provides good accuracy when it was tested for 162 data points for various fluid types over wide ranges of temperature and viscosity.

Molecular weight dependence of the conformational phase transition and electroluminescence of diarylpolysilane diodes

2000 ◽  
Vol 88 (6) ◽  
pp. 3408-3413 ◽  
Author(s):  
Satoshi Hoshino ◽  
Kazuaki Furukawa ◽  
Keisuke Ebata ◽  
Ingo Breyl ◽  
Hiroyuki Suzuki
Keyword(s):  
Phase Transition ◽  
Molecular Weight ◽  
Molecular Weight Dependence
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