IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet 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/KHenry's law constant, K [cm3(STP) cm-3 cm Hg-1]Langmuir's parameter, CH [cm3(STP) cm-3]Affinity Coefficient b [atm-1]
Ar0.1172.090.050
CH40.1742.760.094
N20.0781.400.034
 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 CO2 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, Mn = 22 000, glass transition temperature 360 K (thermal analysis).

 Estimated Errors:

   Temperature: No information given.

 References:
   1W. 3. Koran, D. R. Paul, and A. A. Rorhs, 3. PotymPolym, Polym. Phys. Ed. 14, 687 (1976).