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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Carbon dioxide with Methane, Polystyrene (PS) and Tetramethyl bisphenol A Polycarbonate (TMPC)
Components:
(1) Polystyrene (PS); ; [9003-53-6]
NIST Chemistry WebBook
for detail
(2) Carbon dioxide with Methane; CO2, CH4; [124-38-9, 74-82-8]
NIST Chemistry WebBook
for detail
(3) Tetramethyl bisphenol A Polycarbonate (TMPC); ; []
NIST Chemistry WebBook
for detail
Original Measurements:
N. Muruganandam and D.R. Paul, J. Polym. Sci. Part B: Polym. Phys. 25, 2315 (1987).
Variables:
Temperature = 308 K
Pressure = 0-2.0 MPa
Prepared By:
Yu. P. Yampol'skii
Experimental Data:
(Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
Table 1. Dual mode sorption parameters for carbon dioxide in TMPC/PS blends at 308 K
Henry's law constant, K [cm
3
(STP)/cm
3
atm]
Langmuir's parameter, C
H
[cm
3
(STP) cm
-3
]
Affinity Coefficient b [atm
-1
]
Remark(s)
0.550
9.44
0.177
[TMPC mass%] 0
0.604
11.53
0.198
20
0.579
15.37
0.186
40
0.667
19.05
0.207
60
0.879
20.49
0.275
81
1.011
27.66
0.283
100
Table 2. Dual mode sorption parameters for methane in TMPC/PS blends at 308 K
Henry's law constant, K [cm
3
(STP)/cm
3
atm]
Langmuir's parameter, C
H
[cm
3
(STP) cm
-3
]
Affinity Coefficient b [atm
-1
]
Remark(s)
0.109
6.99
0.068
[TMPC mass%] 0
0.252
3.85
0.126
20
0.192
6.80
0.094
40
0.230
8.90
0.090
60
0.237
12.72
0.086
81
0.244
15.34
0.100
100
View Figure 1 for this Evaluation
View Figure 2 for this Evaluation
Method/Apparatus/Procedure:
The apparatus and procedure are described in Ref. I. The films previously had been exposed to carbon dioxide at 20 atm for 24 h.
Source and Purity of Materials:
PS: Cosden Oil and Chemical Co., M,, = 100 000,
M
w
= 350 000, glass transition temp. 375 K. TMPC: Bayer AG, glass transition temp. 466 K. Blends: glass transition temperatures varied monotonously in the range of the value characteristic
Estimated Errors:
Temperature: No information given.
References:
1
W. J./ Koron, A. H. Chan, and D. R. Paul, 3. Membr. Sri, 2, 165 (1977).