Patent ID: 7455891

Claim:
A process for the production of an adherent coating on an inorganic or organic substrate, wherein the inorganic or organic substrate is pretreated by a) a low temperature plasma treatment, a corona discharge treatment or a flame treatment is carried out on the inorganic or organic substrate, b) one or more photoinitiators or mixtures of photoinitiators with monomers or/and oligomers, containing at least one ethylenically unsaturated group, or solutions, suspensions or emulsions of the one or more photoinitiators or mixtures of photoinitiators with monomers or/and oligomers, containing at least one ethylenically unsaturated group, are applied to the inorganic or organic substrate, c) the substances applied to the inorganic or organic substrate in step b) are dried and irradiated with UV/VIS radiation or electron beam radiation after which pretreatment either d1) the substrate so precoated with photoinitiator is coated with a composition comprising at least one ethylenically unsaturated monomer or oligomer, and the coating is cured by means of UV/VIS radiation or an electron beam; or d2) the substrate so precoated with photoinitiator is coated with a printing ink and dried wherein steps a, b and c are performed consecutively.