Comparatively Speaking: HLB vs. SLB


A previous "Comparatively Speaking" column, Homologous vs. Analogous Polymers,1 discussed the relationship between related analogous and homologous series of chemicals for predicting their functional and formulation properties.1 This article made it clear that the solubility of an alkyl dimethicone is directly related to the amount of alkyl group (by weight) in the polymer. This information is critical to the efficient selection of a particular alkyl dimethicone used in a formulation.

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