SDS Volume (4043)

Volume 70. Solubility of Gases in Glassy Polymers , p None

Original Measurements

Ilinitch, O. M.; Semin, G. L.; Chertova, M. V.; Zamaraev, K. I.; J. Membr. Sci. 66, 1-8 (1992).

Variables:

Temperature: 293.2 K
Pressure: 0 - 100 MPa
Percent mole fraction - Liquid (2): 100x2 = 97.5%
Percent mole fraction - Liquid (3): 100x3 = 2.5%

Prepared by:

O.M. Ilinitch

Method/Apparatus/Procedure:

The conventional McBain sorption spring balance was used.

Source and Purity of Materials:
  1. The copolymer was prepared via oxidative copolycondensation of two monomers. The purity of product 99.9%, it had density 1.10 g/cm3 and Tg =754K. All the gases had a purity >99.9%.
Experimental Data

Hydrocarbons (C1-C3) with Poly(2,6-dimethyl-1,4-phenyleneoxide)/Poly(2,6-diphenyl-1,4-phenyleneoxide) Copolymer

Components:

(1) Ethane, $\ce{ C2H6 }$; [74-84-0] NIST WebBook
(1) Propene, $\ce{ C3H6 }$; [115-07-1] NIST WebBook
(1) Propane, $\ce{ C3H8 }$; [74-98-6] NIST WebBook
(1) Methane, $\ce{ CH4 }$; [74-82-8] NIST WebBook
(2) Poly(2,6-dimethyl-1,4-phenylene oxide) (PPO), $\ce{ (C8H8O)n }$; [24938-67-8] NIST WebBook

Experimental Values:
Solubility C /cm3 (STP) cm-3 of hydrocarbons in the copolymer
P1 (kPa)S (cm3(g) cm-3(s) atm-1)
28.0 6 x 10-1
34.7 4 x 10-1
50.0 7 x 10-1
66.6 1.2
86.6 1.4
96.0 1.5
3.3 2.8
6.3 3.6
9.6 4.3
13.3 5.1
18.7 5.8
24.0 6.6
29.3 7.3
29.3 4.9
33.3 5.5
34.4 7.9
40.0 8.4
46.7 9.4
53.3 10.2
61.3 11.2
2.7 9 x 10-1
5.3 1.6
8.0 2.2
10.7 2.6
13.3 2.9
17.3 3.4
21.3 3.8
25.3 4.4
1.6 2.0
4.0 2.9
6.7 4.0
10.6 4.9
14.0 5.6
20.0 6.8
26.7 7.6
33.3 9.0
38.7 9.6
53.3 11.5

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