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Critical Packing Parameter CPP for Emulsifier Selection

The critical packing parameter (CPP) is a geometric expression relating the hydrocarbon chain volume (v) and length (1) and the interfacial area occupied by the head group (a) [30], [Pg.142]

Regardless of the shape of any aggregated structure (spherical or cylindrical micelle or a bilayer), no point within the structure can be farther from the hydrocarbon-water surface than Ic- The critical chain length, is roughly equal to, but less than, the fully extended length of the alkyl chain. [Pg.142]

The CPP for any micelle shape can be calculated from simple packing constraints. [Pg.142]

V is the volume of the hydrocarbon chain and n is the aggregation number. The cross sectional area of the hydrocarbon chain is given by Eq. (6.42). [Pg.142]


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