Compilation - Xenon with Poly(y-alkyl-L-glutamates) (IUPAC SDS Volume 70)

SDS Volume (4002)

Volume 70. Solubility of Gases in Glassy Polymers, p 1395

Original Measurements

Yoshida, T.; Takizawa, A.; Ysujita, Y.; J. Appl. Polym. Sci. 22, 279 (1978).

Variables:

Room Temp: 293 $\pu{K}$
Pressure: 6.6 - 52.5 $\pu{kPa}$

Prepared by:

Yu.P. Yampol'skii

Method/Apparatus/Procedure:

Cahn electrobalance was used to measure sorption. Corresponding state principle was applied for calculation of fugacity ratio. [1,2].

Source and Purity of Materials:
  1. Xe: purity 99.999%.
  2. Poly($n$-alkyl-$L$-glutamates) and alkyls $\ce{C3-C5}$ prepared according to [3] by ester exchange method, Other alkyl derivatives - Kyuowa Hakko K. K. and Ajimoto Co.; degree of polymerization 1150.
Estimated Errors:

Ambient temperature: ±0.5 K
Weight: ±10 mg for 50-100 mg samples.

References

1 Hildebrand, T. H.; Scott, R.; The Solubility of Nonelectrolytes (New York, 1964).
2 Prausnitz, T. M.; J. Phys. Chem. 66, 640 (1962).
3 Takizawa, A.; Okada, H.; Kadota, S.; Nonovama, H.; J. Appl. Polym. Sci. 18; 1443 (1974).

Components:
  1. Xenon $\ce{ Xe }$ [7440-63-3]; NIST WebBook
  2. Poly(n-methyl-L-glutamate) (PMLG) $\ce{ (C6H9NO4)n }$ [25086-16-2]; NIST WebBook
    Poly(n-ethyl-L-glutamate) (PELG) $\ce{ (C7H13NO4)n }$ [25189-52-0]; NIST WebBook
    Poly(n-propyl-L-glutamate) (PPLG) [28877-93-2]; NIST WebBook
    Poly(n-butyl-L-glutamate) (PBLG)
    Poly(n-amyl-L-glutamate) (PALG)
Experimental Data
Solubility graph

FIG. 75. Sorption isotherms of xenon in poly($n$-alkyl-$L$-glutamates) at $\pu{298 K}$.
Sorption = vol. of gas at STP/$\pu{cm3}$/mol of residue. (⬛️)Me, (⬜︎)Et, (⬤)Pr, (◯)Bu, (➕)Amyl.