| 摘要 |
Radiation curing of inks on game balls, golf balls and the like is disclosed. The radiation used is ultraviolet and/or visible light. Production inks, logo inks and methods for forming production prints and logos on golf balls, game balls and the like are disclosed. To ensure that the ink is sufficiently through-cured, visible light photoinitiators are added to the ink. In addition, co-initiators and ultraviolet light photoinitiators can also be included in the ink. To form a radiation curable water-insoluble production ink, at least an adhesion promoting component is added to an ink base. The adhesion promoting component is sufficient to maintain adhesion of the production ink of at least about 75 % of the inked surface to the topcoat and to the surface of the game ball or the golf ball after radiation curing and after coating the production ink with the topcoat. To form radiation curable water-insoluble logo ink, at least a toughening agent is added to an ink base. The toughening agent is sufficient to maintain adhesion of the logo ink to the topcoat of at least about 75 % of the inked surface after radiation curing.
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