SDS Volume (4135)

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

Original Measurements

Barrer, R. M.; Mallinder, R.; Wong, P. S. L.; Polymer 8, 321-336 (1967).

Variables:

Room Temp: 283 - 339 $\pu{K}$

Prepared by:

Yu.P. Yampol'skii

Method/Apparatus/Procedure:

Volumetric method by Meares [1] was used. The sample was allowed to equilibrate with a gas, then nonsorbed gas was swiped away with mercury. The volume of gas subsequently desorbed from the sample was measured by means of McLeod gauge.

Source and Purity of Materials:
  1. PVC from ICI (99% "pure") in a form of powder was studied. The plasticized sample contained 0.325 mol fraction of tricresyl phosphate. Films were prepared by calendering after adding two parts of cadmium stearate and 0.2 parts of stearic acid per 100 parts of the polymer.
References

1 Meares, P.; Trans. Faraday Soc. 54, 40 (1958).

Components:
  1. Neon, $\ce{ Ne }$; [7440-01-9] NIST WebBook
  2. Hydrogen, $\ce{ H2 }$; [1333-74-0] NIST WebBook
  3. Tricresyl phosphate, $\ce{ C19H21O4P }$; [1330-78-5] NIST WebBook
  4. Poly(vinyl chloride) (PVC), $\ce{ (C2H3Cl)n }$; [9002-86-2] NIST WebBook
Experimental Data
Smoothed solubility coefficients S 104/(cm3(STP)/cm3 cm Hg*
$T$ ($\pu{K}$)
299
309
319
329
339
299
309
319
329
339
283
291
297
307
313
283
291
297
307
313

(*) Pressure was not indicated: presumably, p<atm.

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