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    • 8. 发明授权
    • High-efficiency plasma treatment of paper
    • 高效等离子体处理纸张
    • US06565930B1
    • 2003-05-20
    • US09574772
    • 2000-05-19
    • Jeremy M. GraceLouis J. GerenserChristine J. Landry-ColtrainKurt D. SieberMichael J. HeinslerDennis R. Freeman
    • Jeremy M. GraceLouis J. GerenserChristine J. Landry-ColtrainKurt D. SieberMichael J. HeinslerDennis R. Freeman
    • C08F252
    • G03C1/915B29C59/14B29K2067/00B29L2031/7644B41M5/508
    • A method and apparatus are taught for treating paper webs for obtaining the proper surface characteristics to promote adhesion of nonphotosensitive coating materials and/or layers typically coated thereon. The web is passed through a high-voltage sheath region or dark space of the plasma generated by a powered electrode residing in a discharge zone. The frequency of the driving voltage must be above a lower bound dictated by the properties of the paper support and the plasma, and it must be below an upper bound beyond which the sheath voltages drop significantly and it is observed that the benefits of this approach diminish. The dark space is generated by a treatment electrode in a treatment zone. There is a counter electrode having a surface area in said treatment zone which is at least as great as the surface area of the treatment electrode. A power supply is included for driving the treatment electrode with an oscillating high voltage at a frequency less than about 2 MHz and greater than 1/tc where tc is the charging time of a web surface exposed to a rms ion current in the plasma.
    • 教导了一种处理纸幅以获得适当的表面特性以促进通常涂覆在其上的非感光涂层材料和/或层的粘附的方法和装置。 纸幅通过位于放电区域的动力电极产生的等离子体的高压鞘区域或暗空间。 驱动电压的频率必须高于由纸支架和等离子体的性质决定的下限,并且必须低于上限,超过该上限,护套电压显着下降,并且观察到该方法的好处减少了 。 黑暗空间由处理区域中的处理电极产生。 在所述处理区域中具有至少与处理电极的表面积一样大的对电极。 包括用于以小于约2MHz和大于1 / tc的频率的振荡高电压驱动处理电极的电源,其中tc是暴露于等离子体中的有效电离离子电流的幅材表面的充电时间。
    • 9. 发明授权
    • Apparatus and method for vapor depositing lubricant coating on a web
    • 在网上气相沉积润滑剂涂层的装置和方法
    • US06461667B1
    • 2002-10-08
    • US09542720
    • 2000-04-04
    • Dennis R. FreemanChristine J. Landry-Coltrain
    • Dennis R. FreemanChristine J. Landry-Coltrain
    • C23C1400
    • C23C14/04C23C14/12C23C14/562G03C1/74G11B5/85
    • A vacuum lubricant deposition station coats a lubricant onto the back side of a moving web prior to coating the front side with emulsions. The deposition station has a sidewall creating a chamber containing a heat source along its bottom and an evaporating tray above the heater which holds the lubricant to be vacuum vapor deposited on the web. A water cooled jacket fits about the top of the sidewall and receives the film through a narrow slot between its top and bottom plates to expose the back side of the film to a vapor cloud of lubricant in the chamber. Lubricant from the cloud deposits on the back side of the web. Stray lubricant from the cloud condenses on the bottom plate which receives cooling water through an inlet. The cooling water traverses the length of the bottom plate, enters the top plate through a water loop connecting the top and bottom plates, and exits through the top plate. The vapor cloud condenses on the bottom plate before reaching the front side of the film.
    • 真空润滑剂沉积站在将乳液涂覆前侧之前,将润滑剂涂覆在活动纤维网的背面上。 沉积站具有侧壁,其形成包含沿着其底部的热源的室,以及在加热器上方的蒸发盘,其将润滑剂保持为真空蒸汽沉积在卷材上。 水冷套管围绕侧壁的顶部安装,并通过其顶板和底板之间的狭窄槽接收薄膜,以将膜的背面暴露于腔室中的润滑剂蒸汽云。 来自云的润滑剂沉积在网的背面。 来自云的杂散润滑剂在通过入口接收冷却水的底板上冷凝。 冷却水穿过底板的长度,通过连接顶板和底板的水环进入顶板,并通过顶板离开。 蒸汽云在到达薄膜正面之前会在底板上凝结。