Hot-melt ink-jet printhead

摘要

Ink-jet printhead adapted for printing with hot-melt ink and having a nozzle face (14) provided with an anti-wetting coating (22), wherein the anti-wetting coating contains silicone and/or polysilane as main component(s) and has a wetting angle of at least 40 DEG and shows a decrease of the wetting angle of not more than 5% per 100 days of exposure in hot-melt ink. <IMAGE>