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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Carbon dioxide with DOS, Phosphoric acid, TCP and PPO
Components:
(1) Carbon dioxide; CO2; [124-38-9]
NIST Chemistry WebBook
for detail
(2) Decanedioic acid, dioctyl ester (dioctyl sebacate, DOS), Phosphoric acid, tri(methyl phenyl) ester (tricresyl phosphate, TCP) and Poly(2,6-dimethylphenylene oxide) (PPO); C26H50O4, C21H21O4P; [2432-87-3, 1330-78-5]
NIST Chemistry WebBook
for detail
Original Measurements:
Y. Maeda and D.R. Paul, J. Polym. Sci., Part B: Polym. Phys. 25, 981 (1987).
Variables:
Temperature = 308 K - 328 K
Pressure = 308 K - 328 K
Prepared By:
A.K. Bokarev
Experimental Data:
(Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
Table 1. Dual mode sorption parameters for CO
2
in PPO at different temperatures and its mixutures with plasticizers at 308 K
T/K
Gas Temperature (T
gas
)
Langmuir's parameter, C
H
[cm
3
(STP) cm
-3
]
Affinity Coefficient b [atm ]
Method/Comments
308
481.8
32.6
0.216
PPO
318
481.8
30.0
0.164
PPO
328
481.8
28.4
0.128
PPO
308
427.1
21.6
0.181
TCP (mass %) 10%
318
380.9
14.2
0.132
TCP (mass %) 20%
328
345.0
3.8
0.251
TCP (mass %) 30%
308
408.8
20.5
0.141
DOS (mass %) 10%
318
354.1
7.3
0.172
DOS (mass %) 20%
328
312.3
—
—
DOS (mass %) 30%
Table 2. Sorption isotherms of carbon dioxide in pure PPO (The original data were represented graphically)
T/K
Pressure [MPa]
Sorption [(V*
1
(STP)/V*
3
)]
308
0.04
4.24
308
0.06
4.92
308
0.08
5.94
308
0.10
7.08
308
0.12
8.33
308
0.17
10.60
308
0.19
11.17
308
0.28
14.92
308
0.37
17.64
308
0.41
18.09
308
0.42
19.34
308
0.46
20.02
308
0.55
21.82
308
0.65
24.08
308
0.83
27.13
308
0.84
27.92
308
1.02
30.16
308
1.11
31.86
308
1.18
32.41
308
1.30
34.55
308
1.37
35.45
308
1.61
38.02
308
1.89
41.15
308
1.91
40.80
308
2.00
41.70
308
2.03
42.38
318
0.09
4.80
318
0.18
7.98
318
0.19
8.66
318
0.28
11.38
318
0.32
12.28
318
0.41
14.77
318
0.55
17.60
318
0.70
20.07
318
0.79
21.54
318
0.84
22.21
318
0.91
23.45
318
1.14
25.91
318
1.34
28.38
318
1.43
29.38
318
1.50
30.51
318
1.74
32.51
318
1.76
32.16
318
2.08
35.28
318
2.16
35.60
328
0.13
4.79
328
0.19
6.38
328
0.30
9.55
328
0.38
11.13
328
0.44
12.48
328
0.57
14.62
328
0.79
17.88
328
0.95
19.56
328
1.08
21.13
328
1.27
23.48
328
1.30
23.93
328
1.68
26.70
328
1.74
27.37
328
1.82
28.15
328
1.98
29.25
328
2.09
30.02
Table 3. Effect of the content of DOS (mass %) on CO
2
sorption isotherms for PPO at 308 K (The original data were represented graphically)
Pressure [MPa]
Sorption [(V*
1
(STP)/V
23
)]
Remark(s)
0.06
4.91
DOS 0 mass %
0.08
5.85
DOS 0 mass %
0.10
7.10
DOS 0 mass %
0.12
8.29
DOS 0 mass %
0.17
10.82
DOS 0 mass %
0.19
11.27
DOS 0 mass %
0.28
14.94
DOS 0 mass %
0.38
17.82
DOS 0 mass %
0.41
18.07
DOS 0 mass %
0.43
19.31
DOS 0 mass %
0.45
19.66
DOS 0 mass %
0.47
19.91
DOS 0 mass %
0.65
23.94
DOS 0 mass %
0.83
27.17
DOS 0 mass %
0.84
27.87
DOS 0 mass %
1.01
30.01
DOS 0 mass %
1.11
31.95
DOS 0 mass %
1.17
32.35
DOS 0 mass %
1.36
35.39
DOS 0 mass %
1.61
37.94
DOS 0 mass %
1.87
41.03
DOS 0 mass %
1.89
40.63
DOS 0 mass %
1.98
41.38
DOS 0 mass %
2.01
42.38
DOS 0 mass %
0.18
5.02
DOS 10 mass %
0.23
6.36
DOS 10 mass %
0.30
7.90
DOS 10 mass %
0.46
10.44
DOS 10 mass %
0.60
12.63
DOS 10 mass %
0.84
15.48
DOS 10 mass %
0.94
16.48
DOS 10 mass %
1.15
18.77
DOS 10 mass %
1.48
21.72
DOS 10 mass %
1.53
21.97
DOS 10 mass %
1.78
24.02
DOS 10 mass %
2.09
26.32
DOS 10 mass %
2.14
26.38
DOS 10 mass %
0.13
2.44
DOS 20 mass %
0.22
3.78
DOS 20 mass %
0.27
4.28
DOS 20 mass %
0.38
5.78
DOS 20 mass %
0.50
7.27
DOS 20 mass %
0.65
8.72
DOS 20 mass %
0.72
9.52
DOS 20 mass %
0.83
10.67
DOS 20 mass %
0.97
12.22
DOS 20 mass %
1.34
15.22
DOS 20 mass %
1.43
15.82
DOS 20 mass %
2.09
21.52
DOS 20 mass %
1.76
18.67
DOS 20 mass %
0.20
2.59
DOS 30 mass %
0.28
3.44
DOS 30 mass %
0.37
4.39
DOS 30 mass %
0.48
5.69
DOS 30 mass %
0.65
7.53
DOS 30 mass %
0.95
10.43
DOS 30 mass %
0.99
10.98
DOS 30 mass %
1.19
12.83
DOS 30 mass %
1.53
16.32
DOS 30 mass %
1.37
14.62
DOS 30 mass %
1.81
19.32
DOS 30 mass %
2.09
22.51
DOS 30 mass %
2.14
23.16
DOS 30 mass %
Table 4. Effect of the content of TCP (mass %) on CO
2
sorption isotherms for PPO at 308 K. (The original data were represented graphically)
Pressure [MPa]
Sorption [(V*
1
(STP)/V
23
)]
Remark(s)
0.04
3.19
TCP 0 mass %
0.06
4.67
TCP 0 mass %
0.08
5.81
TCP 0 mass %
0.11
7.17
TCP 0 mass %
0.14
8.19
TCP 0 mass %
0.18
10.69
TCP 0 mass %
0.20
11.03
TCP 0 mass %
0.30
14.77
TCP 0 mass %
0.39
17.83
TCP 0 mass %
0.42
18.05
TCP 0 mass %
0.44
19.30
TCP 0 mass %
0.48
19.98
TCP 0 mass %
0.56
21.79
TCP 0 mass %
0.66
23.94
TCP 0 mass %
0.83
27.21
TCP 0 mass %
0.84
27.89
TCP 0 mass %
1.01
30.14
TCP 0 mass %
1.11
31.83
TCP 0 mass %
1.18
32.39
TCP 0 mass %
1.29
34.42
TCP 0 mass %
1.36
35.21
TCP 0 mass %
1.62
37.90
TCP 0 mass %
1.87
41.27
TCP 0 mass %
1.89
40.58
TCP 0 mass %
1.99
41.48
TCP 0 mass %
2.02
42.38
TCP 0 mass %
0.13
4.54
TCP 10 mass %
0.18
6.13
TCP 10 mass %
0.23
7.15
TCP 10 mass %
0.27
8.28
TCP 10 mass %
0.35
9.75
TCP 10 mass %
0.44
11.44
TCP 10 mass %
0.58
13.81
TCP 10 mass %
0.70
15.61
TCP 10 mass %
0.73
16.29
TCP 10 mass %
0.78
16.62
TCP 10 mass %
0.83
17.18
TCP 10 mass %
0.91
18.20
TCP 10 mass %
1.11
20.21
TCP 10 mass %
1.27
21.78
TCP 10 mass %
1.35
22.33
TCP 10 mass %
1.46
23.68
TCP 10 mass %
1.71
25.46
TCP 10 mass %
1.88
26.69
TCP 10 mass %
1.95
27.13
TCP 10 mass %
0.16
3.17
TCP 20 mass %
0.21
4.08
TCP 20 mass %
0.29
5.09
TCP 20 mass %
0.34
6.10
TCP 20 mass %
0.41
7.00
TCP 20 mass %
0.51
8.12
TCP 20 mass %
0.67
10.15
TCP 20 mass %
0.81
11.83
TCP 20 mass %
0.86
12.17
TCP 20 mass %
1.89
20.53
TCP 20 mass %
1.95
20.98
TCP 20 mass %
1.14
14.74
TCP 20 mass %
1.20
15.30
TCP 20 mass %
1.40
17.20
TCP 20 mass %
1.43
17.08
TCP 20 mass %
0.40
4.73
TCP 30 mass %
0.20
2.48
TCP 30 mass %
0.26
3.16
TCP 30 mass %
0.31
3.94
TCP 30 mass %
0.43
5.18
TCP 30 mass %
0.49
5.73
TCP 30 mass %
0.55
6.29
TCP 30 mass %
0.67
7.76
TCP 30 mass %
0.93
10.10
TCP 30 mass %
1.00
10.66
TCP 30 mass %
1.06
11.22
TCP 30 mass %
1.18
12.34
TCP 30 mass %
1.48
14.91
TCP 30 mass %
1.57
15.46
TCP 30 mass %
1.77
17.59
TCP 30 mass %
2.14
20.49
TCP 30 mass %
Method/Apparatus/Procedure:
The apparatus and procedure for measuring sorption isotherms are described in Ref. 1.
Source and Purity of Materials:
PPO: General Electric Co.,
M
n
= 22 600.
M
w
= 34 000,
M
t
= 57 200, glass transition temperature 482 K.
Estimated Errors:
Temperature: No information given.
References:
1
W J. Koros, D. R. Paul, and A. A. Rocha, J. Polym. Sci., Polym. Phys. Ed. 14, 687 (1976).