Assertion: detergent's surfactant | /r/HasAspect | quaternary ammonium
Facets:
value: as the polar end
type: TEMPORAL
Source sentences:
text: Cationic detergents are similar to the anionic ones, with a hydrophilic component, but, instead of the anionic sulfonate group, the cationic surfactants have quaternary ammonium as the polar end.