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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Argon with Nitrogen, Methane and Copolyester (Kodar A-150)
Components:
(1) Argon with Nitrogen, Methane; Ar, N2, CH4; [7440-37-1, 7727-37-9, 74-84-8]
NIST Chemistry WebBook
for detail
(2) Copolyester (Kodar A-150); ; []
NIST Chemistry WebBook
for detail
Original Measurements:
P. Masi, D.R. Paul and J.W. Barlow, J. Polym. Sci., Polym. Phys. Ed. 20, 15 (1982).
Variables:
Temperature = 308 K
Pressure = 308 K
Prepared By:
A.K. Bokarev
Experimental Data:
(Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
Dual mode sorption parameters for various gases in copolyester at 308 K
T/K
Henry's law constant, K [cm
3
(STP) cm
-3
cm Hg
-1
]
Langmuir's parameter, C
H
[cm
3
(STP) cm
-3
]
Affinity Coefficient b [atm
-1
]
Ar
0.117
2.09
0.050
CH4
0.174
2.76
0.094
N2
0.078
1.40
0.034
View Figure 1 for this Evaluation
Method/Apparatus/Procedure:
Sorption was measured using a pressure decay method described in Ref. 1. The specimens before measurement were exposed to CO
2
at 20 atm for 1 day.
Source and Purity of Materials:
Copolyester (Kodar A-15O): Eastman Chemical Products, Inc., film completely amorphous, ratio of units of isophthalic and terephthatic acids 20/80, M
n
= 22 000, glass transition temperature 360 K (thermal analysis).
Estimated Errors:
Temperature: No information given.
References:
1
W. 3. Koran, D. R. Paul, and A. A. Rorhs, 3. PotymPolym, Polym. Phys. Ed. 14, 687 (1976).