This work describes the preparation of an analytical microextraction sorbent using a simple and versatile sol–gel hybrid composite, i.e., aramid oligomers wrapping multi-walled carbon nanotubes (CNTs) covalently bonded to a porous silica network.

The synthesis and characterization of aramid composites reinforced with graphene platelets are reported.

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Die Kondensation der Ketone (II) mit Phenol (I) führt zu den Bisphenolen (III).