CN111346801A - 防腐涂覆方法 - Google Patents
防腐涂覆方法 Download PDFInfo
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- CN111346801A CN111346801A CN201911323790.6A CN201911323790A CN111346801A CN 111346801 A CN111346801 A CN 111346801A CN 201911323790 A CN201911323790 A CN 201911323790A CN 111346801 A CN111346801 A CN 111346801A
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Abstract
本公开提供了一种用于将防腐涂层施加到基材上的方法，所述方法包括：(a)施加防腐组合物，以及(b)施加在暴露于紫外线辐射时显示荧光的染料。
Description
技术领域
本公开涉及一种将防腐涂层施加到基材上以形成UV可检测的防腐涂层的方法。所述方法特别适合于涂覆铝和铝合金基材。
发明背景
防腐涂层，诸如化学转化材料和所得涂层用于处理、补救或修复需要腐蚀防护的表面。它们广泛用于金属，包括铝和铝合金、镁和镁合金以及锌和锌合金。例如，化学转化材料是施加到金属基材上的防腐涂层的实例，届时金属可以与化学转化材料反应以产生防腐蚀膜，即化学转化涂层。
适用于航空航天工程的防腐涂层(例如化学转化材料和涂层)理想地符合某些要求，例如可能符合REACH。
某些防腐涂层在施加后可以通过颜色辨别(例如，某些化学转化材料诸如Alocrom/Alodine 1200)，而对于其他涂层则无法通过目视检测到它们的存在(例如Bonderite MCR 871 Aero)。对于那些无法通过目视检测到的材料，不能立即知晓是否施加了这些材料。这可能导致不必要地重新涂覆基材，以确保它们具有腐蚀防护功能。
为了解决此问题，已经生产了某些包含颜料或指示剂的防腐涂层，以使最终使用者能够检测到零件是否已涂覆有所述材料。这些是包含混合的防腐涂层(例如化学转化材料)和指示剂化合物两者的组合物。所得混合物(例如)由于成分之间的相互作用而具有有限的保质期，并且常常具有降低的腐蚀防护性能。例如，一些防腐涂层的制造商已经开发了包含紫外线发荧光染料的产品，但是发现所述染料降低了所述产品的腐蚀防护性能。
因此，需要一种施加防腐涂层(例如化学转化涂层)的方法，所述方法使得可以在施加涂层后立即检测到所述涂层，同时保持良好的腐蚀防护性能。
发明内容
从第一方面来看，本公开提供了一种用于涂覆基材，例如用于将防腐涂层(例如化学转化涂层)施加到基材上的方法，所述方法包括(以任何顺序)：
(a)施加防腐组合物(例如化学转化材料)，以及
(b)施加在暴露于紫外线辐射时显示荧光的染料。
在一方面，防腐组合物和染料单独施加，即它们在施加前不混合。在一方面，步骤(a)和(b)单独执行，例如依序执行。本文公开的方法的施加步骤可以在不同的时间和/或经由不同的方式执行。
在一方面，步骤(a)和(b)同时执行。如果步骤(a)和(b)同时执行，则材料可以单独地但同时地施加，例如通过共同喷涂或共同铺展来施加。
在一方面，所述方法包括将防腐组合物施加到基材上，随后将染料施加到例如防腐组合物上和/或基材上。或者，所述方法可包括将染料施加到基材上，随后将防腐组合物(例如化学转化材料)施加到例如染料之上和/或施加到基材上。
本文所述的方法还可包括施加防腐组合物(例如化学转化材料)的第二(或另外的)步骤。另外施加的防腐组合物可以是与第一组合物相同或不同的组合物或材料。
在一些方面，防腐涂层由或基本上由本文所述的防腐组合物和染料组成。
在一方面，所述方法包括将染料施加到基材上，然后施加防腐组合物以至少两次，例如作为两个或更多个单独的涂层或层。在另一方面，所述方法包括施加防腐组合物以至少两次，例如作为两个或更多个单独的涂层或层，然后施加染料。所述方法还可包括以交替方式施加防腐组合物和染料。
在一方面，所述方法包括：
(a)将防腐组合物施加到基材上，
(b)随后将在暴露于紫外线辐射时显示荧光的染料施加到防腐组合物和/或基材上，以及
(c)随后施加防腐组合物。
通常，在本文公开的方法和产品中，防腐组合物和/或染料将作为涂层或层施加或沉积。防腐组合物可以是(例如)在基材上形成化学转化涂层的化学转化材料。
基材可以是金属，例如它可以是或包括铝、铝合金、锌、锌合金、镁或镁合金。在一方面，基材是或包括铝或铝合金。
基材还可以由镀铝钢组成或包括镀铝钢。
铝合金是其中铝是主要金属的那些。典型的合金元素是钪、铜、镁、锰、硅、铁、钛、铬、锡和锌。特殊铝合金包括1420、2004、2014、2017、2020、2023、2080、2090、2091、2095、2219、2224、2324、2519、2524、4047、6013、6061、6063、6113、6951、7010、7049、7050、7055、7068、7075、7079、7093、7150、7178、7475和8009。铝合金的实例是7000系列和2000系列铝合金。
其他实例性基材包括高铜铝基材(即，包括包含铝和铜两者的合金的基材，其中铜的量相对较高，例如合金中铜的量为3％至4％)。
对其应用所述方法的基材可以是较大部件或制品的一部分(例如，基材可以是部件或制品上的饰面或层)，或者基材可以是整个部件或制品，即部件或制品由所述基材材料形成。因此，本公开涵盖包括本文所提及的基材的装置、部件或制品，例如其中所述基材是装置、部件或制品的表面。基材具有在其上施加所述方法的材料的表面。
防腐组合物在本领域中是众所周知的。通常，它们包含抑制待保护基材腐蚀或与基材反应形成抑制腐蚀的保护性涂层的物质。所得的防腐涂层(例如化学转化涂层)可以使耐腐蚀性增加，并且还可以用作装饰性涂饰剂。
所描述的防腐组合物和涂层还可以被视为抗蚀组合物和涂层。本文所述的防腐组合物可以是化学转化材料。类似地，本文所述的防腐涂层可以是化学转化涂层。化学转化涂层用于金属上，并且涉及施加可将基材表面转化为装饰性或保护性物质的材料(化学转化材料或涂层)。通常，这种转化是经由化学过程在基材表面和化学转化材料之间进行的。所得的化学转化涂层可以是氧化物层，例如非常薄的氧化物层。
防腐涂层(例如化学转化涂层)可以由适于施加到本文所述的基材(例如铝、铝合金、锌、锌合金、镁或镁合金基材)上的任何防腐组合物(例如化学转化材料)形成或包含所述防腐组合物。术语“防腐涂层”可以指通过施加防腐组合物形成的涂层和/或由本文所公开的方法的所有步骤得到的涂层，即包括染料。防腐组合物可包含抗蚀阳离子，例如稀土元素的一种或多种阳离子(诸如铈、钇、镨、钕的阳离子)、第1(IA)族金属阳离子(诸如锂、钠、钾、铷、铯、钫的阳离子)、第2(IIA)族金属阳离子(诸如铍、镁、钙、锶、钡、镭的阳离子)、第12(2B)族金属阳离子(诸如锌的阳离子)、第4(IVB)族金属阳离子(诸如钛或锆的阳离子)和/或第6(VIB)族金属阳离子(诸如铬的阳离子，例如三价铬)。
可以使用适于施加到铝或铝合金基材上的涂层和组合物。在一方面，本公开的防腐组合物可以符合工业标准，诸如选自称为MIL-DTL-5541的军事规范。
由施加防腐组合物产生的防腐涂层(例如化学转化涂层)可以是防腐组合物的一种或多种金属和基材表面的一种或多种金属的组合。防腐涂层诸如化学转化涂层可能涉及金属表面的处理，其中金属基材至少部分地与包含不同金属的溶液(例如水性溶液)接触，在此基材溶解，导致涂层沉淀(任选地使用外部驱动力使涂层沉积在金属基材上)。
防腐涂层和化学转化材料的实例包括称为以下各项的材料：化学膜、黄色铬化镀层和商标名称为诸如Iridite、Bonderite和Alocrom/Alodine的涂层。具体实例包括Alochrom 1200、Iridite NCP、Surtec 650和Bonderite MCR 871 Aero。在本公开的某些方面，化学转化材料是购自Henkel的Bonderite M-CR 871 Aero(也称为
871)。
在一些方面，本公开的防腐组合物可包含金属硅酸盐(例如偏硅酸镁)、金属钼酸盐(例如钼酸锌、钼酸钠、钼酸镁和/或钼酸铜)和/或金属磷酸盐硅酸盐。在一些方面、本公开的防腐组合物可包含三甲基苯、过硼酸钠、硫脲、硬脂酸锌、硝酸锌、氧化锌、碳酸钙、磷酸二氢盐和/或磷酸钠诸如六偏磷酸钠。
在一些方面，所述防腐组合物按重量计包括以下各项：8-10份的钼酸钠、4-5份的钼酸镁、2-4份的钼酸铜、12-14份的磷酸二氢盐、5-8份的六偏磷酸钠、2-5份的氧化锌、1.5-2.5份的三甲基苯、2.5-3.5份的过硼酸钠、2.2-3.8份的硫脲、4.5-5.5份的硬脂酸锌、0.8-1.2份的碳酸钙(例如研磨的碳酸钙)和0.5-0.8份的亚硝酸锌。
在一些方面，本公开的防腐涂层可以是氧化物涂层、磷酸盐涂层或铬酸盐涂层。这些类型的化学转化涂层是众所周知的。
氧化物涂层可以是黑色氧化物。铁基材料(ferrous materials)的黑色氧化物可以是磁铁矿(Fe3O4)。铁基材料的黑色金属氧化物可以通过使用氢氧化钠、硝酸盐和亚硝酸盐浴来施加，以将待涂覆的基材的表面转化为磁铁矿。铜的黑色氧化物被称为Ebonol C。这会将铜表面转化为氧化铜。锌的黑色氧化物可以被称为Ebonol Z或Ultra-Blak 460。氧化物涂层还可以通过阳极氧化形成。在一些方面，本公开的防腐组合物可包含氧化锌。
磷酸盐涂层可包括锰、锌和/或铁，例如磷酸锰、磷酸锌和/或磷酸铁。磷酸盐涂层可包括磷酸二氢盐和/或磷酸钠诸如六偏磷酸钠。磷酸盐涂层的实例包括Parkerize和Lubrite。磷酸盐涂层可用于铝、锌、镉、银和锡。可以将锰、锌和/或磷酸铁盐溶解在磷酸溶液中，并将待涂覆的基材的表面放入所述溶液中。或者，可以将溶液(即，如本文所述的防腐涂层(例如化学转化材料))施加到待涂覆的基材的表面上。
在一方面，防腐涂层是铬酸盐涂层，例如铬酸盐化学转化涂层。合适的铬酸盐涂层可以经由铬盐或铬酸与水溶液的相互作用来形成。铬酸盐涂层的实例包括Alodine或Iridite。合适的铬酸盐涂层可包含六价铬和/或三价铬，例如Bonderite MCR 871 Aero或Bonderite MCR1132 Aero(也称为
1132)。根据本公开的铬酸盐涂层可包含氧化铬(IV)、硝酸钡、硅氟化钠和铁氰化物中的一者或多者。根据本公开的铬酸盐涂层可以在铝上形成化学膜，或者可以用于使钢、铝、锌、镉、铜、银、镁和锡合金钝化。在一方面，本公开的防腐组合物包含三价铬。防腐涂层可以是铬(III)化学转化涂层。
当暴露于紫外线(UV)范围内(例如10nm至400nm波长)的电磁辐射时，根据本公开的染料显示荧光。
所述染料可以选自经航空航天材料规范(AMS)2644批准的那些染料。例如，合适的染料包括经AMS 2644类型1，方法A，灵敏度等级2、3或4批准的那些染料。类型1是荧光染料，方法A是可水洗型。QPL-AMS-2644(SAE航空航天材料规范AMS 2644合格产品目录)提供了经各种类型、方法和灵敏度等级批准的产品的目录。
如本文所述使用的合适的染料包括满足AMS 2644标准或列入合格产品目录QPL-AMS-2644中的那些染料。
在一些方面，染料是吸收紫外线范围内(例如275至400nm)的光，并发出紫外线蓝光谱中(例如400-500nm)的光的染料。
在一些方面，当施加染料时，未发生明显的颜色变化。在可见光谱中染料可能看起来是无色的或基本上无色的。
合适的染料的实例包括ARDROX 970P23、ARDROX 970P23E、ARDROX 970P24、ARDROX970P24E、P133D、P133E、P134E、9732、BRITEMOR 4455、BRITEMOR 4455A、ZL-60C和ZL-60D。在某一方面，染料是Zyglo染料。
合适的染料的其他实例包括以Zyglo ZL-30、Fluorol 7GA、Calcofluor Yellow、Azsol Brilliant Yellow 6GF、Rhodamine B、Calcolfuor White RW、Blancophor WhiteAW、Auramine和Eosine G销售的那些染料。
在一方面，根据本公开的染料可以是水溶性染料。所述染料可包含以下一项或多项：4,4’-双-(2-磺基苯乙烯基)-联苯基二钠盐、4,4’-二氨基二苯乙烯-2-2’-二磺酸的双三嗪基衍生物、磺化的2-(二苯乙烯-4-基)萘酚***、双(唑-2-基)二苯乙烯、双苯乙烯基联苯基钠盐和磺化的吡唑啉。染料可以包含选自氧化物、硫化物或氧化物硫化物或金属或半金属的发光颜料。金属或半金属可选自铝、锗、硅、钪、钇、镧、铈、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱或镥。
可以使用任何常规技术施加防腐组合物，所述技术诸如有浸渍浸入、喷涂或铺展，例如使用刷子、辊子、施涂笔(例如
购自Henkel)等进行铺展。对于通过喷涂施加，可以使用自动或手动喷涂技术。在某一方面，使用施涂笔(例如
)来施加所述防腐组合物。
在一方面，防腐组合物以均匀层的形式施加，例如以形成均匀的涂层。为了获得例如就厚度或表面覆盖度而言均匀的层，施加防腐组合物以多于一次例如两次可能是有用的。均匀的层可有助于确保一致的腐蚀防护。
在某一方面，在一个方向上(例如，从左到右或从上到下)施加防腐组合物，并在另一方向例如基本上垂直的方向上(例如，从上到下或从左到右)施加第二涂层。在一个方向上施加防腐组合物然后在另一方向上施加防腐组合物的方法可用于如本文所述的多种施加技术，例如用施涂笔(例如
)进行施加。
所施加的防腐组合物的量取决于待覆盖的表面和基材。在某一方面，施加防腐组合物以使其覆盖待覆盖的基材的整个表面(例如待保护以防腐蚀的区域)。所施加的防腐涂层的厚度可以小于或等于10μm、小于或等于5μm、小于或等于1μm。在某一方面，防腐涂层(例如化学转化涂层)的厚度可以是0.001至10μm、0.001至5μm、0.001至1μm、0.01至10μm、0.01至5μm、0.01至1μm、0.1至10μm、0.1至5μm或0.1至1μm。
可以使用任何常规技术施加染料，所述技术诸如有浸渍浸入、喷涂或铺展，例如使用刷子、辊子、施涂笔、棉签等进行铺展。对于通过喷涂施加，可以使用自动或手动喷涂技术。在某一方面，使用棉签施加染料。
染料可以作为完整的层来施加，即，染料层可以覆盖或基本上覆盖需要保护的基材的整个区域，或在其上施加防腐组合物的区域。在另一方面，染料层不能完全覆盖整个区域，例如覆盖区域的10％(例如0.1％至5％)、区域的10％至90％、区域的20％至75％、区域的30％至60％、区域的大于或等于50％或区域的大于或等于90％。
染料覆盖表面的方式可以改变。可以以任何方式和任何样式施加染料。在一方面，施加染料以充分覆盖表面，使得可在UV光下检测到染料的存在。
例如如图4a所示，可将染料以线的形式施加在表面上。例如如图4b所示，可将染料以多个条纹的形式施加在表面上。条纹可以具有变化的厚度和方向。例如如图4c所示，可将染料以点的形式施加在表面上。这些点在表面上可以具有变化的大小以及变化的位置和数量。可以使用染料在表面上形成任何图案，例如可以使用染料做一个区分标记。
可以在施加防腐组合物之前、施加防腐组合物之间和/或已施加防腐组合物之后施加染料。在某一方面，施加一层防腐组合物涂层，施加染料，然后施加第二层防腐组合物涂层。
防腐组合物和染料可以独立地以连续层的形式或以不连续施加的方式施加。如果待施加到基材上的第一材料(即防腐组合物或染料)没有完全覆盖待保护的区域，则可以将后面的材料施加在第一材料之上，或施加在基材之上(即施加在基材上没有第一材料的部分之上)，或两者兼而有之。类似地，后续材料可以或可以不直接施加在先前施加的材料之上。
在一些方面，施加防腐组合物，使得其覆盖需要保护的基材的全部或基本上全部的区域。这可以通过单个均匀的材料层来实现，或者通过后续施加材料来确保在待保护的区域上均匀覆盖来实现。
所施加的染料的量应足以在暴露于UV时提供可见的标记，例如对于约0.0013m2的零件表面而言，一滴染料可能就足够了。
在根据如本文所述的方法施加材料之前，可以使用本领域的任何常规技术如使用常规清洁剂或溶剂来清洁基材表面以去除油脂、污垢或其他异物。包括这样的清洁步骤形成了本公开的另一方面。常规清洁剂包括丙酮和ProClean。适于清洁表面的溶剂包括丙酮、己烷、戊烷、丙烷、异丙醇、乙醇、甲醇和水。在施加防腐组合物之前清洁基材表面的替代方法包括使用润湿的磨料垫(以从金属表面去除氧化物)以及(例如)用不起毛的湿布擦拭基材(以确保完全去除前一步骤产生的污点和沉积氧化物)。
在清洁步骤之前或者之后可以进行水冲洗。
在施加防腐组合物和/或染料之间，通常使先前施加的材料干燥然后再施加下一材料。这最小化了两种材料的混合。在一些方面，在施加每种材料之间允许空0.5、1、2、3、5或10分钟。在一些方面，在施加另一材料之前，使施加的材料完全干燥。在一些方面，可使施加的材料风干和/或用热空气强制干燥。在一些方面，防腐组合物或涂层和染料作为不同的实体存在于基材上，即它们彼此不混合。
如果使用施涂笔来施加防腐组合物，所述施加方法可以如下：
a.将笔向下压在表面上，直至溶液充满笔尖
b.以稳固、光滑、均匀的笔触施加防腐组合物，以覆盖所有边缘。重叠每个笔触并使其干燥；
c.在施加第一涂层后的5分钟内，施加染料；
d.在施加染料的5分钟内，以相同的、光滑、稳固的笔触与第一涂层成90°角施加第二涂层；
e.使涂层彻底风干。
在另一方面，本公开包括在其上已施加了如本文所述的防腐涂层和染料的基材，例如涂覆有本文所述的材料的基材(或包括所述基材的部件或制品)。本公开还提供了包括如本文所述的基材的部件、制品或装置。所述基材可以是部件、制品或装置的表面，或者可以是部件、制品或装置上的层。
在一方面，本公开包括对其已应用了如本文所讨论的施加防腐涂层(例如化学转化涂层)的方法的基材。
所述基材可以是金属板或制造零件的形式，或者可以是金属板或制造零件的表面。此类零件包括飞机、航空航天、导弹、车辆、火车、电子装置、设备、建筑装备、军事装备、运动装备等的零件。
基材或部件可以选自飞机部件，诸如燃气涡轮发动机部件、涡轮导叶和叶片、螺旋桨叶片、螺旋桨柄、螺旋桨毂、螺旋桨筒和螺旋桨叶根(tulip)、起落架部件、发动机齿轮、发动机轮盘、轴、支柱和平衡砣。
在一方面，本公开包括一种装置(例如燃气涡轮发动机、高升力致动器、高升力***或其部件)，所述装置包括已对其应用了如本文所讨论的方法的基材或包括基材的部件。
在一方面，本公开提供了一种涂覆基材(例如，如本文所述的基材)，所述涂覆基材包括至少一个如本文所述的防腐涂层的涂层和至少一个如本文所述的染料的涂层，所述涂层可以以任何顺序存在。
在另一方面，本公开提供了一种涂覆基材(例如，如本文所述的基材)，所述基材包括如本文所述的防腐涂层的涂层和在所述防腐涂层的涂层之上的如本文所述的染料的涂层。另一层防腐涂层可以存在于染料之上和/或第一涂层或基材之上。
在另一方面，本公开提供了一种部件，所述部件包括：
在所述部件的表面上的涂层，所述涂层包括防腐组合物(如本文所述的)的层和在暴露于紫外线辐射时显示荧光的染料(如本文所述的)的层。
所述部件可以是如本文所述的涂覆基材、装置或制品。所述部件的表面可以是如本文所述的基材。如上所述，所述材料(即防腐组合物和染料)可以作为连续或不连续层的涂层存在。所述材料可存在于在本文中关于所述方法描述的任何构造的涂层中。
在一些方面，防腐组合物和染料基本上彼此分开，即这两种材料的混合程度极少。
在一方面，防腐组合物不含染料。
在一方面，染料不含防腐组合物。
在一方面，本公开提供了一种试剂盒，所述试剂盒包括如本文所述的防腐组合物(例如，呈施涂笔诸如
的形式)、如本文所述的染料以及概述如本文所述的施加方法的说明书。
只要方便，就可以轻松地将所述方法整合到现有的涂覆程序中。因此，本公开的方法可以由某工艺规范(例如，在本文中提到的指令)强制要求，所述工艺规范可以规定为了施加(以及任选地检测)如本文所公开的防腐涂层而必须使用的方法。
本公开的方法提供了一种简单但有效的施加易于检测到的防腐涂层的方式。所述方法可以利用可商购的防腐组合物(例如化学转化材料)和染料，例如具有长保质期的那些产品。因此，本公开的另一方面包括在UV光下，例如在黑暗的房间里观察涂覆基材(本文所述的)的步骤。这使得可以辨识已根据本文所公开的涂覆方法涂覆的基材。
因此，本公开的另一方面涉及一种检测涂覆零件或检测防腐涂层的存在，例如辨识基材是否已通过如本文所述的方法涂覆的方法。检测涂覆零件的方法包括提供零件(例如，如本文所述的涂覆基材或本文所述的任何装置、部件和制品)以及在UV光下观察所述零件。已如本文所述涂覆的零件将通过染料的荧光来辨识。因此，本公开的另一方面涉及在UV光下观察涂覆基材(如在本文中关于产品和方法所述的)。检测防腐涂层的存在可能对质量控制程序有用。
在一方面，本公开提供了一种检测防腐涂层的存在的方法，所述方法包括：
a.施加如本文所述的防腐涂层，以及
b.在UV光下观察涂覆基材。
UV光可以由UV装置提供。UV装置的实例包括UV-LED产品，例如265、280、285或300nm波长的UV-LED产品。UV装置可以安装在支承架上。
UV光可以由人造UV装置提供。人造UV光的实例包括黑光灯(例如发出长波UVA辐射的装置)、短波紫外线灯(例如发出在UVC波段具有两个峰值(例如253.7nm和185nm)的UV光的装置)、白炽灯(例如发出在近UV范围例如400-300nm内的UV光的装置)、气体放电灯(例如氩弧灯和氘弧灯、氙弧灯、氘弧灯、汞氙弧灯、金属卤化物弧灯和准分子灯)、紫外线LED和紫外线激光器。
提及“包括”和/或“包含”应理解为还涵盖“由...组成”、“由...组成的”、“基本上由...组成”和“基本上由...组成的”。
附图说明
现在将仅以举例的方式并参考附图来更详细地描述本公开的某些方面，在附图中：
图1是用于测试本发明的零件在UV光下拍摄的照片。
图2示出了三种可能的涂覆基材。
图3示出了两种可能的涂覆基材。
图4示出了可能的染料施加方式。
现在将相对于附图来描述本公开的方法。
图1示出了在实施例1中所述的方法中应用施涂笔的位置。
图2示出了三个单独的示意图，这些示意图示出了涂覆有UV可检测的防腐涂层的基材。图2a示出了涂覆有一层防腐组合物12、一层染料13和另一层防腐组合物12的基材11。图2b示出了涂覆有一层染料13和另外两层防腐组合物12的基材11。图2c示出了涂覆有两层防腐组合物12和另一层染料13的基材11。
图3示出了两个单独的示意图，分别示出了具有UV可检测的防腐涂层的基材涂层。图3a示出了涂覆有一层防腐组合物12和另一层染料13的基材11。图3b示出了涂覆有一层染料13和另一层防腐组合物12的基材11。
图4示出了染料13的施加方式。在一方面，染料如图4a所例示以随机线的形式施加在表面上。在另一方面，染料如图4b所例示以多个条纹的形式施加在表面上。应当理解，这些条纹可以具有变化的厚度和方向。在另一方面，染料如图4c所例示以点(或任何其他标记)施加在表面上。应当理解，这些点在表面上可以具有变化的大小并处于变化的位置。
具体实施方式
实施例1
由AMS 4124铝合金机加工零件(CH3511-0915)，然后根据914-032-095进行铬酸阳极化。研磨配合面以去除任何残留的化学转化涂层。使用施涂笔(
HenkelBonderite MCR 871 Aero)施加一道化学转化材料涂层，使其干燥，接着施加一道Zyglo灵敏度2级染料层。待染料干燥后，使用施涂笔(
Henkel Bonderite MCR871 Aero)以与第一道涂层成直角的方式形成第二道涂层。将此零件暴露于紫外线辐射，发现涂覆的表面在这些条件下显示荧光。然后根据ASTM B117测试零件的腐蚀性能。ASTMB117是操作盐雾设备的标准常规，可提供受控的腐蚀环境。
图1示出了应用施涂笔
的位置。照片的下部是使用施涂笔
初次施加化学转化涂层(Henkel Bonderite MCR 871 Aero)的位置，使其干燥。将一滴染料(Zyglo灵敏度2级染料)施加到干净的棉签上，然后将棉签在零件的表面上擦拭并使其干燥。使用施涂笔(例如
)施加第二层化学转化涂层。照片的顶部示出了尚未根据本发明施加化学转化涂层的位置。
据发现，在120小时和500小时的腐蚀测试后，在目标区域中没有腐蚀的迹象。
Claims (15)
1.一种将防腐涂层施加到基材上的方法，所述方法包括：
(a)施加防腐组合物，以及
(b)施加在暴露于紫外线辐射时显示荧光的染料。
2.根据权利要求1所述的方法，所述方法还包括施加防腐组合物的步骤。
3.根据权利要求2所述的方法，所述方法包括：
(a)将所述防腐组合物施加到所述基材上，
(b)随后施加所述染料，以及
(c)随后施加防腐组合物。
4.根据前述权利要求中任一项所述的方法，其中所述基材是铝基材或铝合金基材。
5.根据前述权利要求中任一项所述的方法，其中所述防腐涂层是铬(III)化学转化涂层。
6.根据前述权利要求中任一项所述的方法，其中所述染料是Zyglo染料。
7.根据前述权利要求中任一项所述的方法，其中使用施涂笔施加所述防腐组合物。
8.根据前述权利要求中任一项所述的方法，所述方法还包括在UV光下观察所述涂覆基材。
9.一种涂覆基材，已对所述涂覆基材应用了根据前述权利要求中任一项所述的施加防腐涂层的方法。
10.一种基材，所述基材涂覆有至少一个防腐组合物涂层和至少一个染料涂层，所述染料在暴露于紫外线辐射时显示荧光。
11.根据权利要求10所述的基材，其中所述基材是铝基材或铝合金基材。
12.根据权利要求10或权利要求11所述的基材，其中所述防腐涂层是铬(III)化学转化涂层。
13.根据权利要求10-12中任一项所述的基材，其中所述染料是Zyglo染料。
14.一种装置，所述装置包括根据权利要求9至13中任一项的涂覆基材。
15.根据权利要求14所述的装置，其中所述装置是高升力致动器。
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|---|---|---|---|
| EP18275189.1 | 2018-12-20 | ||
| EP18275189.1A EP3670613B1 (en) | 2018-12-20 | 2018-12-20 | Anti-corrosion coating method |
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| CN (1) | CN111346801A (zh) |
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| CN114959672A (zh) * | 2022-06-30 | 2022-08-30 | 联宝(合肥)电子科技有限公司 | 钝化液、铝材表面处理工艺及铝材 |
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| US20220195604A1 (en) * | 2020-12-23 | 2022-06-23 | Hamilton Sundstrand Corporation | Phosphate coating which can be substantially free of hexavalent chromium and methods of making the same |
| DE102021119428A1 (de) * | 2021-07-27 | 2023-02-02 | Polysecure Gmbh | Indikatorzusammensetzung zur Applikationskontrolle |
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| JP2004083771A (ja) * | 2002-08-28 | 2004-03-18 | Nippon Hyomen Kagaku Kk | 金属保護被膜形成用組成物 |
| DE102004022565A1 (de) * | 2004-05-07 | 2005-12-22 | Henkel Kgaa | Farbige Konversionsschichten auf Metalloberflächen |
| US7790225B1 (en) * | 2005-09-19 | 2010-09-07 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Coatings and methods for corrosion detection and/or reduction |
| RU2619376C2 (ru) * | 2012-06-08 | 2017-05-15 | Прк-Десото Интернэшнл, Инк. | Индикаторные покрытия для металлических поверхностей |
| US11084942B2 (en) * | 2018-10-04 | 2021-08-10 | Hamilton Sundstrand Corporation | Additive for quality determination of conversion coatings |
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| US4237379A (en) * | 1979-06-22 | 1980-12-02 | Rca Corporation | Method for inspecting electrical devices |
| US4278508A (en) * | 1979-11-13 | 1981-07-14 | Rca Corporation | Method of detecting a cathodic corrosion site on a metallized substrate |
| US20110223316A1 (en) * | 2010-03-11 | 2011-09-15 | Ppg Inudstries Ohio, Inc. | Use of fluorescing dye in pretreatment to improve application and rinsing process |
| CN103889593A (zh) * | 2011-02-04 | 2014-06-25 | 麦克德米德尖端有限公司 | 铝处理组合物 |
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| CN114959672A (zh) * | 2022-06-30 | 2022-08-30 | 联宝(合肥)电子科技有限公司 | 钝化液、铝材表面处理工艺及铝材 |
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| RU2019141408A (ru) | 2021-06-15 |
| US20200199757A1 (en) | 2020-06-25 |
| EP3670613A1 (en) | 2020-06-24 |
| CA3057022A1 (en) | 2020-06-20 |
| BR102019027066A2 (pt) | 2020-07-07 |
| EP3670613B1 (en) | 2021-10-06 |
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