| 摘要 |
PROBLEM TO BE SOLVED: To provide an easily producible radiation-curable composition compatible with various radiation-curable compositions and comprising a new effective photoreactive polymer, and to provide a radiation-curable inkjet ink comprising a photoreactive polymer suitable for inkjet printing on food packages. SOLUTION: The radiation-curable composition comprising a new photoreactive polymer containing a dendritic polymer core having at least one initiation functional group and at least one co-initiation functional group is provided. The suitable radiation-curable compositions are varnishes, lacquer enamels, printing inks and radiation-curable inkjet inks. The dendritic polymer core is preferably a hyperbranched polymer. COPYRIGHT: (C)2006,JPO&NCIPI
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