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首页> 外文会议>International Conference on Digital Printing Technologies: Final Program and Proceedings; 20050918-23; Baltimore,MD(US) >Improved Separating Agent for Roller Fusing
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Improved Separating Agent for Roller Fusing

机译：改进的辊定影分离剂

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摘要

A release agent, in particular silicon oil, is applied to the surface of a fuser roller of a digital printer using dry toner to reduce contamination. Contamination of the surfaces is reduced or even prevented when the separating agent is diluted with a solvent having a boiling point in the range 60 ℃ to 160 ℃. As the temperature of the fuser roller is significantly above the boiling point of the solvent it evaporates immediately after application resulting in a thin and smooth layer of fuser oil on the fuser rollers. Due the viscosity reduction by the addition of solvent, silicone oil with higher viscosity can be used and can be diluted by the solvent to the viscosity necessary for application. Thus the viscosity of the oil applied to the roller is higher after evaporation of the solvent compared to application of lower viscosity oil without dilution. That reduces volatilization of the oil off the roller that may cause oil pollution of other parts of the printer. The solvents reduce the viscosity of the oil that much that it maybe applied to the fuser roller point wise by e.g. an ink jet application device. The image data allow controlling the quantity of oil depending on the amount of toner. The evaporated solvent has to be removed from the exhaust air of printer by suitable filtering means before the air leaves the printer. Beside the solvent, ozone from the corona charger in the electrophotographic process has to be removed. This can be done in a special environment by first reaction the evaporated solvent -preferably a halogen containing solvent - with the ozone and then extracting the reaction product from the exhaust air by suitable filter e.g. charcoal filter.
机译：使用干燥的调色剂将脱模剂，特别是硅油施加到数字打印机的定影辊的表面上，以减少污染。当用沸点在60℃至160℃范围内的溶剂稀释分离剂时，可减少甚至防止表面污染。由于定影辊的温度明显高于溶剂的沸点，因此涂布后会立即蒸发，从而在定影辊上形成一层薄而光滑的定影油层。由于通过添加溶剂降低了粘度，因此可以使用具有更高粘度的硅油，并且可以通过溶剂将其稀释至应用所需的粘度。因此，与没有稀释的较低粘度油的施加相比，在溶剂蒸发后施加至辊的油的粘度较高。这样可以减少油从辊上挥发出来，这可能导致打印机其他部分受到油污染。溶剂降低了油的粘度，以至于它可以例如通过点滴的方式逐点施加到定影辊上。喷墨施加装置。图像数据允许根据墨粉量控制油量。在空气离开打印机之前，必须通过适当的过滤装置从打印机的废气中除去蒸发的溶剂。除溶剂外，还必须除去电子照相过程中来自电晕充电器的臭氧。这可以在特殊的环境中完成，首先蒸发的溶剂（最好是含卤素的溶剂）与臭氧进行反应，然后通过合适的过滤器（例如：碳酸氢钠）从废气中提取反应产物。木炭过滤器。

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