The name is absent

potential with a temperature dependent segment diameter, d_l, given by

/ ^repulsion

dr = σ_i 1 — 0.12 exp

(2.5)

1 - exp I —-———
^p ∖ kT

Thus, the excess contribution to the free energy due to repulsive interactions is given

by [82, 83]

C³

<3 (I - Сз)²

М1-Сз)

where N_s is the total number of spheres (or segments of the chains) in the system, N_s

= N∑_i^χ_im_i, ^and

c =                ^nE {°>¹>²>³}∙                (2.7)

i

p ( = N∕V) is the total density of the chains formed by bonding these segments.

Figure 2.2: Schematic of chain formation from associating spherical molecules.

All previously published versions of SAFT include the term accounting for chain
connectivity (A^cfcam) derived by Chapman et al. [46] on the basis of Wertheim’s theory
for associating atomic fluids. To form chains of type ‘i’, the starting point is a

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