| abstract |
Crosslinking and / or polymerization initiator which can be activated under an electron beam of monomers and / or polymers containing organofunctional groups comprising a boron derivative of formula M + B (Ar) 4- (I) in which: - M +, a charged entity positive, is an alkali metal chosen from those in columns IA and IIA of the periodic table, - Ar is an aromatic derivative, optionally substituted by at least one substituent chosen from a fluorine radical, a chlorine radical, a linear or branched alkyl chain, itself possibly being substituted by at least one fluorine atom. |