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    • 2. 发明公开
    • EDGE SEAL AND SEALING METHODS FOR APPLIQUES
    • KANTENVERSIEGELUNG UND SIEGELVERFAHRENFÜRANWENDUNGEN
    • EP1093409A4
    • 2001-11-28
    • EP99928758
    • 1999-06-14
    • BOEING COOLLI LARRY KMALONE KEVIN RRAWLINGS DIANE C
    • OLLI LARRY KMALONE KEVIN RRAWLINGS DIANE C
    • B29C63/00C09J7/02B32B7/04B32B7/10B32B7/12B32B27/06B32B27/28B32B31/04B32B31/10B32B31/12
    • C09J7/29B29C63/00C09J2201/162
    • An edge seal comprising a concentrated topcoat with suitable additives to form a caulking compound improves the performance of appliqués. Increasingly, stringent environmental restrictions make it challenging to apply coatings (i.e., paint) by conventional processes like spray painting because of the volatile solvents and hazardous pigments. The environmental scrutiny is particularly focused upon conventional corrosion protection surface treatments, especially chromated primers and conversion coatings. We apply appliqués to provide a vapor barrier over the substrate to provide corrosion protection. We can make curved appliqués on a family of molds of different Gaussian curvature and thereby avoid making a "splash" mold of the surface of interest to create the appliqués. Using curved appliqués reduces ridges, creases, or gaps that sometimes otherwise occur with attempts to cover a surface with complex curvature with flat (planar) appliqués. Appliqués are interconnected and sealed together using a concentrated topcoat (typically a fluoroelastomer or fluoropolymer) that has volatile organic compounds stripped from it to thicken the resulting edge seal to ease its application (no drips or runs), to improve its ability to stick, and to improve its toughness and corrosion inhibiting capability. The edge seal becomes an extension of the appliqués topcoat and should possess the physical and chemical characteristics of the topcoat.
    • 包含具有合适添加剂的浓缩面涂层以形成嵌缝复合物的边缘密封改进了贴花的性能。 越来越严格的环境限制使得由于挥发性溶剂和有害颜料而通过常规工艺(如喷漆)施涂涂料(即油漆)具有挑战性。 环境审查特别关注传统的防腐表面处理,特别是铬酸盐底漆和转化涂层。 我们使用贴花在基材上提供防潮层,以提供防腐保护。 我们可以在一系列不同高斯曲率的模具上制作弯曲的贴花,从而避免在感兴趣的表面制造贴花的“飞溅”模具。 使用弯曲的贴花可以减少脊线,折痕或间隙,有时候这些脊线,折痕或间隙会随着用平面(平面)贴花覆盖具有复杂曲率的表面而出现。 使用浓缩的面漆(通常是含氟弹性体或含氟聚合物)将贴花相互连接并密封在一起,从其上剥离挥发性有机化合物以增稠所产生的边缘密封以减轻其应用(不滴落或运行),以改善其粘附能力,并且 以改善其韧性和腐蚀抑制能力。 封边成为贴布面漆的延伸,并应具有面漆的物理和化学特性。