The present disclosure is directed to a curable precursor of a pressure-sensitive adhesive comprising: a) a (co)polymeric material comprising the reaction product of a (co)polymerizable material comprising a (meth)acrylate ester monomer; and optionally, a co-monomer having an ethylenically unsaturated group; b) a polyfunctional aziridine curing agent; c) a thermal acid generating agent; and d) magnetic particles. The present disclosure is also directed to a method of applying such pressure-sensitive adhesives to a substrate and uses thereof.