IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Propane with Polycarbonate (PC)
Components:
   (1) Polycarbonate (PC); ; [24936-68-3]  NIST Chemistry WebBook for detail
   (2) Propane; C3Hg; [9003-42-3]  NIST Chemistry WebBook for detail
Original Measurements:
   J.A. Barrie, M.J.L. Williams and K. Munday, Polym. Eng. Sci. 20, 21 (1980).

 Variables:
   Temperature = 303 K - 333 K
   Pressure = 0-8.0 kPa

 Prepared By:
   Yu. P. Yampol'skii

 Experimental Data:   (Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
   
Dual mode sorption parameters, solubility coefficients S, (S = kD + C'Hb), and errors (%) for propane in polycarbonate
T/K102 * Henry's law constant, K [cm3(STP) cm-3 cm Hg-1]Langmuir's parameter, CH [cm3(STP)/cm3]Affinity Coefficient b [cm/Hg]Keunen coefficient, S [cm3(STP)/cm3 Hg]
3036.07 (±7%)1.67 (±11%)0.311 (±30%)0.579 (±18%)
3135.01 (±2%)1.25 (±4%)0.254 (±9%)0.368 (±5%)
3234.01 (±8%)1.02 (±21%).0.167 (±43%)0.210 (±19%)
3332.55 (± 17%)1.22 (±31%)0.094 (±50%)0.140 (±19%)
 View Figure 1 for this Evaluation

Method/Apparatus/Procedure:
   Sorption isotherms were measured using an electronic vacuum microbalance Sartoriss, model 4102 as described in Ref. 1.

 Source and Purity of Materials:
   PC films: cast from methylene chloride; glass transition temperature 420 K.

 Estimated Errors:

   Temperature: See table.

 References:

   J. A. Barrie and D. Machin, J. Mskromol. Sci.-Phys. B. 3, 645 (1969).