IUPAC-NIST Solubilities Database

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 CO₂ in PPO at different temperatures and its mixutures with plasticizers at 308 K
T/K	Gas Temperature (T_gas)	Langmuir's parameter, C_H [cm³(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 [(V₁(STP)/V₃)]
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 CO₂ sorption isotherms for PPO at 308 K (The original data were represented graphically)
Pressure [MPa]	Sorption [(V*₁(STP)/V₂₃)]	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 CO₂ sorption isotherms for PPO at 308 K. (The original data were represented graphically)
Pressure [MPa]	Sorption [(V*₁(STP)/V₂₃)]	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).