| 简介 |
Process for labelling a material based on at least one organic thermoplastic or thermosetting polymer matrix comprising a step that comprises incorporating therein, by dispersion during its manufacture or its formation, at least one compound based on at least one photoluminescent rare earth in a concentration that renders this compound detectable under UV irradiation, wherein said compound is a coordination polymer that is in the form of a crystallite obtained by reaction of at least one photoluminescent rare-earth ion with at least one unsaturated organic ligand. |
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