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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Argon with Krypton, Xenon, Carbon dioxide, Nitrous oxide, Methane and Poly(trimethylsilyl propyne) (PTMSP)
Components:
(1) Poly(trimethylsilyl propyne) (PTMSP); ; [87842-32-8]
NIST Chemistry WebBook
for detail
(2) Argon with Krypton, Xenon, Carbon dioxide, Nitrous oxide, Methane; Ar, Kr, Xe, CO2, NO, CH4; [7440-37-1, 7439-90-9, 7440-63-3, 124-38-9, 10024-9]
NIST Chemistry WebBook
for detail
Original Measurements:
Variables:
Prepared By:
Experimental Data:
(Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
Dual mode sorption parameters for various gases in PTMSP at 298 K
Chemical Name
10
2
* Henry's law constant, K [cm
3
(STP) cm
-3
cm Hg
-1
]
Langmuir's parameter, C
H
[cm
3
(STP) cm
-3
]
Affinity Coefficient b [cm/Hg]
CO2
4.70
47.70
0.141
N20
6.15
42.88
0.329
Xe
4.84
61.73
0.399
View Figure 1 for this Evaluation
Method/Apparatus/Procedure:
Sorption measurements were performed using McBain balance as is described in Ref. 1
Source and Purity of Materials:
PTMSP: prepared by polymerization in the presence of TaCl
5
as a catalyst: density 0.964 g/cm
3
(measured in a gradient column).
M
w
= 590 000,
M
w
= 125 000, glass transition temperature 503 K.
Estimated Errors:
Temperature: No information given.
References:
1
V. V. Volkov, A. K. Bokarev, and S. G. Durgaryan, Vysokomol. Soedin., Ser. A 26, 1294 (1984).