ISSN:
0021-8995
Keywords:
Chemistry
;
Polymer and Materials Science
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
,
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
,
Physics
Notes:
Permeability coefficients have been measured for normal butane, isobutane, isobutylene, and butene-1 in Zendel Copolymer-I at temperatures between 30° and 70°C and at penetrant pressures p1 up to 5.5 atm. The permeability coefficients of these organic vapors show behavior analogous to that observed for C3 and C2 hydrocarbons as detailed in our earlier work; i.e., near the condensation point of the penetrant, P increases as the temperature is decreased. Isothermal plots of log P versus p1 in that region are generally linear and can be represented by empirical relations of the form \documentclass{article}\pagestyle{empty}\begin{document}$$ P = P_0 \exp \left( {ap_1 } \right) $$\end{document} where P0 is a constant. The slope a is a function of temperature: \documentclass{article}\pagestyle{empty}\begin{document}$$ a = a_0 \exp \left( {bt} \right) $$\end{document} where a0 is a constant and b has the same value for the four hydrocarbons investigated.
Additional Material:
6 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/app.1974.070180310
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