Enthalpy Change of Mixing
A polymer in a solvent
[Hiementz-521]
Sperling's nomenclature used for this equation
Comparison of Sperlings and Hiementz' nomenclature
Definitions of the variables in the equation
Hiementz' nomenclature is used here
Hiementz and Sperling do not use the same notation for solution
thermodynamics equations:
,
from Hiementz correspond to
,
from Sperling.
, 
from Hiementz correspond to
,
from Sperling.
However, they are both consisting in the use of the subscripts,
1=solvent; 2=polymer.
(Hiementz-524) starts with the definition of Change in Gibbs
Free Energy:
and then combines
information seen previously for
Entropy Change of Mixing
is the volume fraction of the solvent.
is the volume fraction of the polymer.
is the
Flory-Huggins interaction parameter.
Last Update- June 30, 1994- wld
,