A pressure-sensitive adhesive is provided which is a copolymer of an acrylate monomer which contributes to the visco-elastic properties of the copolymer and a copolymerizable mono-ethylenically unsaturated aromatic ketone comonomer free of ortho-aromatic hydroxyl groups by means of which the copolymer...http://www.google.se/patents/US4847137?utm_source=gb-gplus-sharePatent US4847137 - Pressure-sensitive adhesive crosslinked by copolymerizable aromatic ketone monomers
