Initiating Systems for Curing Anaerobic Adhesives. Critical Review

The proposed review is devoted to the redox systems proposed for curing anaerobic adhesives, which are widely used in the assembly and repair of mechanical connections. The components of such systems are analyzed, which interact with metal substrates and form free radicals that produce radical polymerization of (meth)acrylic monomers and oligomers. The effect of initiating systems on the curing rate and directly on the strength characteristics of connections obtained using anaerobic adhesives is considered. Possible mechanisms of action of various initiating systems are given. Promising areas of development of systems for curing future adhesives are presented.