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    • 17. 发明授权
    • Automated layer by layer spray technology
    • 自动逐层喷涂技术
    • US08689726B2
    • 2014-04-08
    • US13543105
    • 2012-07-06
    • Kevin C. KrogmanPaula T. HammondNicole S. Zacharia
    • Kevin C. KrogmanPaula T. HammondNicole S. Zacharia
    • B05B7/06B05C13/02B05C11/00
    • B05D1/02B01D67/0088B01D2323/02B01D2323/26B05D7/50D06M15/233D06M15/263D06M15/3562D06M15/3566D06M15/61D06M23/005D06M23/06
    • The present invention comprises an automated apparatus capable of spray depositing polyelectrolytes via the LbL mechanism with minimal or no human interaction. In certain embodiments, the apparatus sprays atomized polyelectrolytes onto a vertically oriented substrate. To counteract the effects of irregular spray patterns, the substrate is preferably slowly rotated about a central axis. In certain embodiments, the apparatus also includes a forced pathway for the droplets, such as a pathway created by using a vacuum. In this way, a thicker or three-dimensional substrate can be coated. In certain embodiments, the apparatus is designed so as to be scalable. Thus, through the use of multiple instantiations of the apparatus, a large or irregularly shaped substrate can be coated. Rolls of textile can therefore be coated using the apparatus. Additionally, the present invention includes a method to uniformly coat a substrate, such as a hydrophobic textile material, using aqueous solutions of polyelectrolytes.
    • 本发明包括能够通过LbL机制以最少或没有人类相互作用喷射沉积聚电解质的自动化装置。 在某些实施方案中,该装置将雾化的聚电解质喷射到垂直取向的基底上。 为了抵消不规则喷雾图案的影响,衬底优选地围绕中心轴缓慢旋转。 在某些实施例中,该装置还包括用于液滴的强制通道,例如通过使用真空产生的通路。 以这种方式,可以涂覆较厚或三维的基底。 在某些实施例中,设备被设计成可伸缩的。 因此,通过使用设备的多个实例,可以涂覆大或不规则形状的基底。 因此可以使用该装置涂布纺织品卷。 此外,本发明包括使用聚电解质的水溶液均匀地涂覆基底如疏水纺织材料的方法。