Abstract
Recent advances in understanding the underlying mechanisms of self-assembly in molecular gels using Hansen solubility parameters (HSPs) have focused on gelator-single solvent mixtures. Linear correlations between critical gelator concentration (CGC) and polar HSP formed in specific regions where each region has the same proportion of octane with different ratios of either 1-octanol and 1-octylamine. CGC increases with an increasing proportion of 1-octanol and a decreasing proportion of 1-octylamine as the polar HSP increases within each region. Both G′ and breaking points decrease in a log-linear fashion as each individual HSP or total HSP increases, suggesting that 1-octanol-rich gels do not form strong gels because of hydrogen bonding between 1-octanol and 12HSA which is capable of impeding fiber growth. The interaction between 12HSA and 1-octanol is more disruptive to fiber growth than 1-octylamine which arises because of the solvents ability to accept or donate a hydrogen bond.
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