SOLUBILIZATION OF N-ALKANES INTO POLYAZOMETHINES HAVING FLEXIBLE (N-ALKYLOXY)METHYL SIDE-CHAINS - 2 - THEORETICAL-MODEL FOR THE ESTIMATION OF SOLUBILITY LIMIT
H. Kim et al., SOLUBILIZATION OF N-ALKANES INTO POLYAZOMETHINES HAVING FLEXIBLE (N-ALKYLOXY)METHYL SIDE-CHAINS - 2 - THEORETICAL-MODEL FOR THE ESTIMATION OF SOLUBILITY LIMIT, Polymer, 39(13), 1998, pp. 2977-2981
In a previous paper (H. Kim et al., Polymer, 1996, 37, 2573), the solu
bility limit of n-alkanes in blends of n-alkane/polyazomethine having
flexible (n-alkyloxy)methyl side chains was reported as a function of
side chain lengths of the polymer and chain lengths of n-alkanes. This
paper proposes a theoretical model for estimating the solubility limi
t of n-alkanes. The model assumes that n-alkanes solubilize only into
the layered side chain domain and that the side chain has a hyperbolic
tangent function profile due to very high grafting density and densit
y uniformity. The calculated solubility limit of,l-alkane increases an
d decreases with increasing chain length of the side chain and chain l
ength of the n-alkane, respectively. The model predictions are in qual
itative agreement with experimental results (H. Kim et al., Polymer, 1
996, 37, 2573) although the former are much lower than the latter. (C)
1998 Elsevier Science Ltd. All rights reserved.