IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Carbon dioxide with Copoly(vinylidine cyanide-vinyl acetate) (CVC-VA)
Components:
   (1) Carbon dioxide; CO2; [124-38-9]  NIST Chemistry WebBook for detail
   (2) Copoly(vinylidine cyanide-vinyl acetate) (CVC-VA); ; [9003-24-1]  NIST Chemistry WebBook for detail
Original Measurements:
   H. Hachisuka, Y. Tsujita, A. Takizawa and T. Kinoshita, Polymer J. 29, 2050 (1988).

 Variables:
   Temperature = 298 K
   Pressure = 298 K

 Prepared By:
   Yu. P. Yampol'skii

 Experimental Data:   (Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
   
The effects of annealing time at 433 K on dual mode sorption parameters for carbon dioxide in CVC-CA at 298 K (taken from the plot by compiler)
102 * Henry's law constant, K [cm3(STP) cm-3 cm Hg-1]Langmuir's parameter, CH [cm3(STP) cm-3]103 * Affinity Coefficient b [cm/Hg]Remark(s)
1.6517.33.65Time of annealing/h: 0
1.5016.43.651
1.5015.03.655
1.4814.33.6510
1.4814.23.6515
 View Figure 1 for this Evaluation

Method/Apparatus/Procedure:
   Sorption was determined using gravimetric apparatus with Cahn Electrobalance 2000 instrument. A buoyancy correction was made.

 Source and Purity of Materials:
   Alternating copolymer VC-VA: amorphous polymer intrinsic viscosity 4.9 dl/g, glass transition temperature of the films “as cast” 449 K.

 Estimated Errors:

   Temperature: No information given.