IUPAC-NIST Solubility Database
NIST Standard Reference Database 106


Glass Ball as Bullet Solubility System: Propane with Copoly(trimethysilypropyne-phenylpropyne) Poly(trimethylsilylpropyne) (PTMSP) and Poly(1-phenyl-1-propyne) (PPHP)

Components:
   (1) Copoly(trimethysilylpropyne-phenylpropyne) Poly(trimethylsilylpropyne) (PTMSP) and Poly(1-phenyl-1-propyne) (PPHP); ; [87842-32-8]  NIST Chemistry WebBook for detail
   (2) Propane; C3Hg; [9003-42-3]  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 = 0-100 kPa
   Concentration = Copolymer composition: [TMSP] = 90 %; [PHP] = 10 %.

Prepared By:
   Yu. P. Yampol'skii

Experimental Data:   (Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
  
Sorption isotherms for three propyne polymers were reported. Their parameters are given below.
PolymerHenry's law constant, K [cm3(STP)/cm3 atm]Langmuir's parameter, CH [cm3(STP) cm-3]Affinity Coefficient b [atm-1]
PTMSP6.9350.142.15
Copolymer8.3543.592.77
PPHP5.8412.475.48
Method/Apparatus/Procedure:
   Sorption measurement were done by means of Cahn electrobalance, model 2000.

Source and Purity of Materials:
   The copolymer and PPHP were synthesized in the presence of a catalyst TaCl5-Ph3Bi-H2O. The synthesis of PTMSP was described in ref (1).

Estimated Errors:


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