IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Carbon dioxide and Poly(vinyl benzoate) (PVB)

Components:
   (1) Carbon dioxide; CO2; [124-38-9]  NIST Chemistry WebBook for detail
   (2) Poly(vinyl benzoate) (PVB); ; [24991-32-0]  NIST Chemistry WebBook for detail

Original Measurements:
   T. Hirose, K. Mizoguchi, Y. Naito and Y. Kamiya, J. Appl. Polym. Sci. 35, 1715 (1988).

Variables:
   Temperature = 278 K - 358 K
   Pressure = 278 K - 358 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 carbon dioxide in PVB
T/K	Henry's law constant, K [cm³ (STP) cm^-3 atm^-1]	Langmuir's parameter, C_H [cm³(STP) cm^-3]	Affinity Coefficient b [atm^-1]
278	1.78	4.69	1.60
288	1.45	3.59	1.35
298	1.18	3.52	0.821
308	1.00	3.05	0.623
318	0.851	1.78	0.547
328	0.730	0.666	0.760
338	0.641	—	—
343	0.577	—	—
348	0.545	—	—
353	0.511	—	—
358	0.472	—	—

Table 2. Dual mode sorption parameters for carbon dioxide in PVB after annealing at 358 K
T/K	Henry's law constant, K [cm³ (STP) cm^-3 atm^-1]	Langmuir's parameter, C_H [cm³(STP) cm^-3]	Affinity Coefficient b [atm^-1]
288	1.45	1.71	1.338
298	1.55	1.73	0.739
308	1.00	0.890	0.828
318	0.851	0.477	0.760

Table 3. Sorption isotherms of carbon dioxide in PVB. Sorption isotherms are linear above 338 K (The original data were represented graphically)
T/K	Pressure [kPa]	Sorption [(V₁(STP)/V₂)]
278	6.72	0.51
278	16.17	1.27
278	26.85	1.86
288	6.70	0.40
288	13.55	0.74
288	27.09	1.34
298	6.84	0.26
298	13.36	0.51
298	26.23	0.94
308	10.48	0.27
308	19.53	0.52
308	33.97	0.87
318	6.66	0.11
318	13.47	0.23
318	26.63	0.46
328	10.93	0.12
328	12.66	0.10
328	20.59	0.24
328	24.70	0.24
328	32.78	0.38
338	14.39	0.07
338	26.40	0.14
338	34.13	0.21
338	40.76	0.26
348	20.09	0.07
348	41.57	0.23
358	33.68	0.16
358	38.42	0.17
358	53.13	0.24
358	54.23	0.27
278	40.08	2.53
278	53.44	3.05
278	66.96	3.59
288	41.07	1.83
288	54.11	2.28
288	67.13	2.63
298	40.84	1.34
298	54.17	1.67
298	67.03	2.00
308	43.64	1.07
308	54.27	1.28
308	66.96	1.59
318	40.89	0.67
318	54.99	0.85
318	68.14	1.06
328	42.60	0.47
328	47.04	0.55
328	60.96	0.63
328	63.34	0.67
328	73.63	0.76
338	53.72	0.35
338	66.84	0.43
338	66.67	0.44
338	66.99	0.44
348	54.69	0.31
348	68.13	0.37
358	62.45	0.29
358	68.62	0.32
358	68.94	0.32
358	78.58	0.37
278	79.84	4.03
278	94.13	4.46
288	80.78	3.02
288	93.63	3.29
298	82.26	2.35
298	94.95	2.63
308	80.11	1.78
308	89.78	1.91
308	94.23	2.07
318	80.97	1.21
318	99.03	1.44
328	78.86	0.81
328	86.77	0.89
328	98.48	0.98
328	99.59	0.98
338	79.64	0.51
338	93.38	0.59
338	97.65	0.61
348	80.46	0.43
348	93.74	0.49
358	81.27	0.38
358	89.02	0.42
358	95.03	0.44
358	98.67	0.45

Table 4. Sorption isotherms of carbon dioxide in PVB after annealing at 358 K (The original data were represented graphically)
T/K	Pressure [kPa]	Sorption [(V₁(STP)/V₂)]
288	7.04	0.21
288	13.77	0.44
288	20.65	0.64
288	27.20	0.82
288	34.24	1.04
288	41.41	1.20
288	54.47	1.48
288	65.95	1.76
288	80.89	2.02
288	89.18	2.21
288	99.66	2.39
308	13.49	0.20
298	6.83	0.11
298	13.70	0.30
298	27.07	0.57
298	28.04	0.62
298	40.13	0.85
298	53.47	1.08
298	66.68	1.35
298	80.04	1.60
298	93.35	1.76
298	98.78	1.90
298	99.52	1.82
308	26.82	0.40
308	41.12	0.64
308	53.33	0.81
308	67.44	0.98
308	75.85	1.11
308	82.82	1.19
308	90.58	1.27
308	98.66	1.36
318	13.77	0.13
318	27.40	0.30
318	41.01	0.44
318	53.85	0.61
318	66.85	0.76
318	80.44	0.86
318	89.45	0.93
318	98.79	1.01

Table 5. Dual mode sorption parameters for CO₂ in PVB at 298 K after exposure to 50 atm of CO₂
T/K	Henry's law constant, K [cm³ (STP) cm^-3 atm^-1]	Langmuir's parameter, C_H [cm³(STP) cm^-3]	Affinity Coefficient b [atm^-1]	Remark(s)
298	1.18	6.88	0.889	Just after exposure
298	1.18	5.74	0.990	Next day
298	1.18	5.00	0.942	7 days later
298	1.18	3.54	1.008	11 months later
298	1.18	3.52	0.827	After measurements at 298 K in Table 3
298	1.18	1.73	0.739	After annealing at 358 K

Method/Apparatus/Procedure:
   Sorption measurements were made using facilities and procedures described in Ref. 1.

Source and Purity of Materials:
   CO₂: purity >99.99 %.
PVB films: preparation and its properties reported in Ref. 2. The sample films were exposed to CO₂ of 50 atm at 308 K before measurements.

Estimated Errors:

   Temperature: No information given.

References:
   ¹T. Hirose, K. Mizoguchi, and Y. Kamiya, 5. Appl. Polym. Sci. 34, 1657 (1987).
   ²T. Hirose, K. Mizoguchi, and Y. Kamiya, ibid. 30, 401 (1985).