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    • 3. 发明授权
    • Conformal particle coatings on fibrous materials
    • 纤维材料上的保形颗粒涂层
    • US08679197B2
    • 2014-03-25
    • US13945015
    • 2013-07-18
    • Cornell University
    • Juan P. HinestrozaHong Dong
    • D06M15/423B32B5/16
    • D06M23/08D06M10/025D06M16/00D06M23/005
    • Methods are provided for uniform deposition of particles on curved surfaces such as fibers and coatings formed by the particles. Particles in the size range of 10-2000 nm are deposited onto a fibrous material via electrostatic interaction between charge modified fiber material surfaces and oppositely charged particles or metal ions. Various nonmetallic, bimetallic or other charged particles are deposited onto a fibrous material via electrostatic interaction between charged modified fibrous material surfaces and oppositely charged particles. Particles can be directly assembled onto a surface of a fibrous material by controlling hydrogen bonding interactions between interfaces of fibers and functionalized particles. Metal particles can also be deposited by in situ synthesis. A method is also provided for layer-by-layer deposition of particles over a fibrous material.
    • 提供了用于在诸如由颗粒形成的纤维和涂层的曲面上均匀沉积颗粒的方法。 尺寸范围为10-2000nm的颗粒通过电荷改性纤维材料表面和带相反电荷的颗粒或金属离子之间的静电相互作用沉积到纤维材料上。 各种非金属,双金属或其他带电粒子通过带电的改性纤维材料表面和带相反电荷的颗粒之间的静电相互作用沉积到纤维材料上。 通过控制纤维和功能化颗粒的界面之间的氢键相互作用,可以将颗粒直接组装到纤维材料的表面上。 金属颗粒也可以通过原位合成沉积。 还提供了一种用于在纤维材料上逐层沉积颗粒的方法。
    • 4. 发明申请
    • Automated Layer By Layer Spray Technology
    • 自动层叠喷涂技术
    • US20120269973A1
    • 2012-10-25
    • US13543105
    • 2012-07-06
    • Kevin C. KrogmanPaula T. HammondNicole S. Zacharia
    • Kevin C. KrogmanPaula T. HammondNicole S. Zacharia
    • B05D3/10B05B17/00B05D1/36B05B1/00
    • 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。
    • 10. 发明授权
    • Water- and oil repellent substrate and method of treatment
    • 拒水拒油基材和处理方法
    • US5804252A
    • 1998-09-08
    • US625891
    • 1996-04-01
    • Kazufumi OgawaMamoru Soga
    • Kazufumi OgawaMamoru Soga
    • A61N1/365B05D1/18B05D5/08C09D4/00D06M15/657D06M23/00B05D3/02
    • B82Y30/00A61N1/36514B05D1/185B82Y40/00C09D4/00D06M15/657D06M23/005B05D5/08Y10S428/913Y10T428/2918Y10T428/2933Y10T428/2962Y10T428/31663
    • A durable and extremely water- and oil repellent ultra thin film is formed on the surface of a substates such as glass, ceramics, fabrics, fur and cloth by a dehydrochlorination reaction between a functional group such as a hydroxyl group or an imino group on the surface of the substrate. The coating film of the material comprises a plurality of chlorosilyl groups was formed on the surface of the substrate by dipping and holding the substrate comprising functional groups on its surface in a solution prepared by dissolving a material comprising fluorocarbon groups and a plurality of chlorosilyl groups in a non-aqueous solvent and drying the substrate which is then taken out from the solution in a substantially moistureless or low moisture atomosphere and removing the non-aqueous solvent remaining on the substrate. Further, when the coating film is left in an atomosphere comprising moisture, i.e., humid air, the coating film is polymerized by a dehydrochlorination reaction between the coating film and the moisture in the atomosphere. The film is formed on the surface of the substrate containing hydroxyl groups, imino groups or carboxyl groups through --SiO-- bonds or --SiN
    • 通过在诸如羟基或亚氨基之类的官能团之间的脱氯化氢反应,在玻璃,陶瓷,织物,毛皮和布等基底的表面上形成耐久且极其防水和防油的超薄膜 基板的表面。 该材料的涂膜包括在基材的表面上形成多个氯甲硅烷基,在其表面上浸渍并保持包含官能团的基材,通过将包含氟烃基和多个氯代甲硅烷基的材料溶解在 非水溶剂并干燥基材,然后将其从基本上无水或低湿气体的空气溶液中取出并除去残留在基材上的非水溶剂。 此外,当涂膜留在包含湿气的空气即湿空气中时,涂膜通过涂膜和大气层中的水分之间的脱氯化氢反应而聚合。 该薄膜通过-SiO键或-SiN <键在含有羟基,亚氨基或羧基的基材表面上形成。