IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Carbon dioxide with Propane and Brominated poly(1-trimethylsilyl-1-propyne)
Components:
   (1) Brominated poly(1-trimethylsilyl-1-propyne); ; []  NIST Chemistry WebBook for detail
   (2) Carbon dioxide with Propane; CO2, C3Hg; [124-38-9, 74-98-6]  NIST Chemistry WebBook for detail
Original Measurements:
   T. Nakagawa, M. Sekiguchi, K. Nagai and A. Higuchi, Intern. Congress on Membranes (ICOM-90) Chicago, p.824-26 (1990).

 Variables:
   Temperature = 303 K
   Pressure = 0-4.0 MPa

 Prepared By:
   Yu. P. Yampol'skii

 Experimental Data:   (Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
   
Dual-mode sorption parameters
Chemical NamePressure [Mpa]Henry's law constant, K [cm3(STP)/cm3 atm]Langmuir's parameter, CH [cm3(STP) cm-3]Affinity Coefficient b [atm-1]Remark(s)
CO2 0-4.0 1.7748.80.07012.6 [Br], %
C3H8 0-0.1 9.6519.65.9611.9 [Br], %
 Method/Apparatus/Procedure:
   Sorption measurements were made by means of Cahn electrobalance model 2000.

 Source and Purity of Materials:
   Poly(trimethylsilylpropyne) was synthesized according to ref.1. Bromination was carried out by dipping samples into bromine water. The polymer revealed a glass transition at 323 K.

 Estimated Errors:


References:
   1 Takada,K.; Mitiuta,H.; Masuda,T; Higashimura,T. J.Appl.Polym. Sci., 1983, 30, 1605.