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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
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)
10
2
* Henry's law constant, K [cm
3
(STP) cm
-3
cm Hg
-1
]
Langmuir's parameter, C
H
[cm
3
(STP) cm
-3
]
10
3
* Affinity Coefficient b [cm/Hg]
Remark(s)
1.65
17.3
3.65
Time of annealing/h: 0
1.50
16.4
3.65
1
1.50
15.0
3.65
5
1.48
14.3
3.65
10
1.48
14.2
3.65
15
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.