CN114072282A - 具有结构化漆面的面板 - Google Patents

具有结构化漆面的面板 Download PDF

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Publication number
CN114072282A
CN114072282A CN202080048850.2A CN202080048850A CN114072282A CN 114072282 A CN114072282 A CN 114072282A CN 202080048850 A CN202080048850 A CN 202080048850A CN 114072282 A CN114072282 A CN 114072282A
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CN
China
Prior art keywords
adhesion promoter
lacquer
layer
top coat
melamine resin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202080048850.2A
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English (en)
Inventor
F·胡伦克莱默
E·霍夫
C·布尔曼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Akzenta Paneele and Profile GmbH
Original Assignee
Akzenta Paneele and Profile GmbH
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Filing date
Publication date
Application filed by Akzenta Paneele and Profile GmbH filed Critical Akzenta Paneele and Profile GmbH
Publication of CN114072282A publication Critical patent/CN114072282A/zh
Pending legal-status Critical Current

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Abstract

本发明涉及一种具有结构化漆面的面板,其包括底板、三聚氰胺树脂层、增粘剂层和含漆的顶涂层,三聚氰胺树脂层设置在底板的表面上,增粘剂层设置在三聚氰胺树脂层上,含漆的顶涂层设置在增粘剂层上,含漆的顶涂层是结构化的。本发明还涉及一种制造具有结构化漆面的面板的这类型面板的方法。

Description

具有结构化漆面的面板
本发明涉及具有结构化漆面的面板以及用于制造具有结构化漆面的面板的方法。
具有结构化的漆面的面板本身是已知的,特别是用于装饰面板,以改善触觉特性、增加其价值和防止磨损。
在本发明的意义上,术语“装饰面板”应理解为包括应用于载板上的装饰的墙壁、天花板、门或地板。装饰面板的使用方式多种多样,既可用于室内设计领域,也可作为建筑物的装饰性覆盖层,例如,在展台建筑中。装饰面板最常见的应用领域之一是用作地板覆盖物、天花板、墙壁和门的包层。装饰面板通常具有装饰性和旨在模仿天然材料的表面结构。
这类模仿天然材料的例子包括枫木、橡木、桦木、樱桃木、白蜡木、胡桃木、栗木、崖豆木等木材,或甚至奇特木材,例如鸡翅木、桃花心木、竹子和布宾加木。此外,在许多情况下,还经常仿制天然材料,例如石材表面或陶瓷表面。
迄今为止,这种装饰面板通常是被制成层压板,其中,将预印有所需装饰的装饰纸应用到载板上,然后将所谓的顶涂层应用到装饰纸上。任选地,在载板与装饰纸相对的一侧应用衬纸后,通过使用适当的压力和/或热量激活粘合剂将获得的层压结构固定粘合在一起。
为了保护面板,特别是可能已应用的装饰层,通常在面板上应用耐磨层或面漆,这些涂层通常基于三聚氰胺树脂。在许多情况下,旨在将模拟装饰模板的表面结构引入此类耐磨层或面漆中,以使得装饰面板的表面具有触觉感知结构,其形状和图案适合所应用的装饰,为了实现自然材料的再生产,即使在触觉方面也尽可能接近原始材料。
在使用油漆形成结构化耐磨保护层时,经常使用压花工具将该结构直接引入到应用的油漆层中。这类工艺的一个缺点是,尤其是很难仅仅形成小的且局部受限的结构,例如孔隙。另外,与装饰相关的压花工具的精确对齐也可能会引起问题。此外,结构上的变化只能通过极大的努力来实现,例如,小批量的生产系列相对来说是不经济的,因为每个系列都必须制造和更换压花工具。
因此,具有个性化、高质量和/或结构适用于装饰的面板是通过使用特殊工艺生产的,这些特殊工艺可能要求相当大的工艺适应性,因此不适用于可比的生产量。
基于这个原因,面板通常没有结构或只有简单的、没有个性化或不适合装饰的结构。例如,特别简单的面板包括仅作为表面的非结构化三聚氰胺层。
因此,面板的结构化表面及其制造仍然具有改进潜力。
因此,本发明的目的是提供包含结构化漆面的面板,其至少部分地克服了现有技术中已知的问题。
该目的通过根据权利要求1的具有结构化漆面的面板以及根据权利要求12的方法来实现。本发明的优选实施例在从属权利要求、说明书或附图中具体说明,其中从属权利要求、说明书或附图中描述或展示的其他特征可以单独或以任何组合方式地构成本发明的主题,除非在上下文中有明确相反的结果。
本发明提出了一种具有结构化漆面的面板。该面板包括底板、三聚氰胺树脂层、增粘剂层和含漆的顶涂层,其中,三聚氰胺树脂层设置在底板的表面上,增粘剂层设置在三聚氰胺树脂层上,含漆的顶涂层设置在增粘剂层上,其中,含漆的顶涂层包含结构。
已通过令人惊讶的方式表明,通过增粘剂层,包含三聚氰胺树脂层的面板也可以随后提供结构化的漆面。与包含结构化漆面的已知面板相比,本发明的面板更容易制造,原因是结构化工艺可以在包含三聚氰胺树脂层的简单面板的现有工艺下游进行,而无需改变工艺。与易于制造的面板相比,本发明的面板可以提供更精确和个性化的结构,因为可以使用其他结构化工艺方法。
也可以以常规方式首先构造三聚氰胺树脂层,然后施加增粘剂层和含漆的顶涂层,其中含漆的顶涂层具有三聚氰胺树脂层的结构,从而使其在触觉上可感知。
在本发明的意义上,术语“底板”应理解为是指可能还没有耐磨层和/或顶涂层的面板。应当理解,底板具有至少一个载板,其中“载板”可以特别地理解为在面板成品中作为的核心或基础层,特别地其包括天然材料,例如木基材料、纤维材料或包含塑料的材料。例如,载板可提供或有助于面板的适当稳定性。
在本发明的意义上,木基材料除了实木材料以外,还包括诸如交叉层压木材、胶合层压木材、细木工板、单板胶合板、单板层积材、平行胶合材和弯曲胶合材等材料。此外,在本发明的意义上,木基材料还包括刨花板材料,例如纸板、挤塑板、定向结构板(OSB)和刨片层积材,以及木纤维材料,例如木纤维隔热板(HFD)、中硬和硬纤维板(MB,HFH),尤其是中密度纤维板(MDF)和高密度纤维板(HDF)。甚至是现代木基材料,例如木聚复合材料(WoodPlastic Composite,WPC)、夹芯板(其由轻质芯材(例如泡沫,硬质泡沫或蜂窝纸)以及在其上涂覆的一层木材,并用例如水泥等进行矿物硬化制成),刨花板是符合本发明意义的木基材料。此外,软木也是符合本发明意义的木基材料。
可以用于生产相应的底板或载板的塑料材料,例如是热塑性塑料材料,例如聚氯乙烯、聚烯烃(例如聚乙烯(PE)、聚丙烯(PP))、聚酰胺(PA)、聚氨酯(PU)、聚苯乙烯(PS)、丙烯腈-丁二烯-苯乙烯(ABS)、聚甲基丙烯酸甲酯(PMMA)、聚碳酸酯(PC)、聚对苯二甲酸乙二酯(PET)、聚醚醚酮(PEEK)或它们的混合物或共聚物。这些塑料材料可以包含常规填料,例如碳酸钙(白垩)、氧化铝、硅胶、石英粉、木粉、石膏。此外,它们也可以以已知的方式进行着色。
特别地,载板可以是网状载板或片状载板。“网状载板”可以理解为是指,例如,在其制造过程中具有网状长度,由此与其厚度或宽度相比明显更长的载体,例如,其长度可以大于15米。
在本发明的意义上,“片状载板”也可以理解为是指由网状载板通过分离形成并且被设计成片的形状的一种载板。此外,片状载板已经定义了要生产的面板的形状和/或尺寸。然而,片状载板也可以以一大片的形式提供。在本发明的意义上的大片特别是指其尺寸超过最终装饰面板的尺寸数倍的载板,并且在制造过程中被分成多个相应的装饰面板,例如通过锯切、激光或喷水切割。例如,大片可以对应于网状载板。
在本发明的意义上,术语“三聚氰胺树脂层”应理解为包含三聚氰胺树脂的层,优选地基本上由三聚氰胺树脂组成。
在本发明的意义上,术语“增粘剂层”应理解为包含增粘剂的层。增粘剂在这里应理解为是指适于在两种材料之间产生更好结合的组合物。
在本发明的意义上,术语“含漆的顶涂层”应理解为包含顶漆的层,该层优选地基本上由顶漆组成。
因此,上述面板可以特别地具有更加的可制造性和/或更高的质量或更具个性化的结构。
具体而言,本发明的面板包含底板,该底板的一个表面上具有三聚氰胺树脂层。例如,具有三聚氰胺树脂层的底板可以是具有三聚氰胺树脂涂层的常规层压板。特别地,具有三聚氰胺树脂层的底板可以是半成品,但是也可以是成品面板。
在这种情况下,三聚氰胺树脂层也可以是结构化的,因此,使得所得的半成品具有结构化的三聚氰胺树脂层。面板还包含在三聚氰胺树脂层上的增粘剂层和设置在增粘剂层上的含漆顶涂层。增粘剂层介导了三聚氰胺树脂层与含漆顶涂层之间的粘合。
因此,可以获得上文描述的优点,也就是说,包含三聚氰胺树脂层的面板随后还可以提供结构化的漆面,并且与已知的具有结构化漆面的面板相比,该面板更易于生产,并且与易于生产的面板相比,该面板可以提供更精确和更具有个性化的结构。
三聚氰胺树脂层可以包含完全固化的三聚氰胺树脂。或者,三聚氰胺树脂层也可以包含部分固化的三聚氰胺树脂。在本发明中,三聚氰胺树脂应理解为是指三聚氰胺和甲醛的缩合产物。这也包括改性的三聚氰胺树脂。例如,三聚氰胺树脂层可以包含尿素改性的三聚氰胺树脂,即三聚氰胺、尿素和甲醛的缩合产物。
在本发明的一个优选的实施例中,底板可以包含具有装饰的装饰层和设置在装饰层上的三聚氰胺树脂层。
此外,三聚氰胺树脂层可以结构化,优选地与装饰层的装饰同步地结构化,以获得对装饰的触觉可感知性。
通过这种方式,包含结构化漆面的面板可以带来装饰性的感观。
例如,可以通过印刷工艺将装饰应用到载板上。进一步地,可以在载板上设置合适的印花亚表面。可替代地,在本发明的意义上,不排除以这样的方式进行装饰,即例如,将已经印刷的纤维层(例如纸层)或者已经印刷的膜(例如聚乙烯、聚丙烯或聚氯乙烯制成的膜)应用到载板上。
在本发明的意义上,术语“纤维材料”是指基于植物、动物、矿物或甚至人造纤维的纸张和无纺布等材料以及纸板。基于植物纤维的纤维材料的例子,除了由纤维素纤维制成的纸张和无纺布外,还有由生物质(如稻草、玉米秸秆、竹子、树叶、海藻提取物、***、棉花或油棕榈纤维)制成的板材。动物纤维材料的例子是基于角蛋白的材料,例如羊毛或马毛。矿物纤维材料的例子是矿物棉或玻璃棉。
在本发明的一个优选的实施中,含漆顶涂层的结构可以至少在部分区域中与装饰层的装饰同步。
通过这种方式,可以实现由具有结构化漆面的面板传达特别逼真的装饰感观的效果。特别地,至少在部分区域中同步的结构可以使得面板的触觉感观与装饰的视觉感观一致。
在本发明的一个优选的实施例中,底板可以包含与表面相邻的边缘,并且含漆顶涂层额外地设置在边缘上。
这意味着含漆的顶涂层也可以设置在由三聚氰胺树脂层覆盖的底板的区域之外。因此,含漆的顶涂层可以部分地直接设置在底板上。
通过这种方式,能够实现面板的边缘也被含漆顶涂层保护。例如,简单制造的包含三聚氰胺树脂层的层压板,可以在分离后在切割边缘被含漆的顶涂层保护。
在本发明的一个优选的实施例中,增粘剂层可以包含酸固化和/或辐射固化的固化增粘剂组合物。
在本发明的一个优选的实施例中,增粘剂层可以包含固化的作为增粘剂组合物的氨基塑料,优选为脲醛树脂、三聚氰胺树脂和/或三聚氰胺脲醛树脂。
通过这种方式,能够实现增粘剂层特别好地粘合到三聚氰胺树脂层上。可以实现基于氨基塑料的增粘剂层与含漆的顶涂层的粘合,尤其是在应用含漆的顶涂层之前,增粘剂层不必完全固化。
在本发明的一个优选的实施例中,增粘剂层可以包含固化的丙烯酸酯基增粘剂组合物,尤其是聚氨酯改性的丙烯酸酯基增粘剂组合物。
通过这种方式,能够实现增粘剂层与三聚氰胺树脂层的粘合特别好,同时,含漆的顶涂层与增粘剂层的粘合特别好。丙烯酸酯基增粘剂组合物也易于固化,并且可以容易地均匀地应用。另外,通过所提出的增粘剂组合物可以实现装饰的视觉感观不会受到不同层的强烈影响。
在本发明的一个优选的实施例中,增粘剂组合物可以包含二季戊四醇丙烯酸酯和乙氧基化三甲基丙烷三丙烯酸酯,优选的质量比为1:2至3:3。
在本发明的一个优选的实施例中,基于增粘剂组合物,增粘剂组合物可以包含的丙烯酸二季戊四醇的量的范围是大于或等于1wt%至小于或等于3wt%。
在本发明的一个优选的实施例中,基于增粘剂组合物,增粘剂组合物可以包含的乙氧基化三甲基丙烷三丙烯酸酯的量的范围是大于或等于1wt%至小于或等于2wt%。
在这种情况下,优选地,增粘剂组合物包含聚氨酯改性的丙烯酸酯作为主要成分。
这使得在增粘剂层中实现特别好的交联成为可能。此外,可以实现增粘剂组合物与三聚氰胺树脂层的三聚氰胺树脂以及包含增粘剂组合物的顶漆特别好的交联。通过这种方式,可以实现面板在各个层之间具有特别牢固的粘结,由此面板表现出改善的耐磨性。
在本发明的一个优选实施例中,增粘剂组合物可以另外包含水和任选的2-丁氧基乙醇、4-乙基吗啉、1,2-苯并异噻唑-3(2H)-酮、吡硫锌和/或反应量的5-氯-2-甲基-4-异噻唑啉-3-酮和2-甲基-2H-异噻唑啉-3-酮。
在本发明的一个优选实施例中,基于增粘剂组合物,增粘剂组合物可以包含的2-丁氧基乙醇的量的范围是大于或等于1wt%至小于或等于3wt%。
在本发明的一个优选实施例中,基于增粘剂组合物,增粘剂组合物可以包含的4-乙基吗啉的量的范围是大于或等于0.1wt%至小于或等于1wt%。
在本发明的一个优选实施例中,基于增粘剂组合物,增粘剂组合物可以包含的1,2-苯并异噻唑-3(2H)-酮的量的范围是大于或等于0wt%至小于或等于0.05wt%。
在本发明的一个优选实施例中,基于增粘剂组合物,增粘剂组合物可以包含的吡硫锌的量的范围是大于或等于0.001wt%至小于或等于0.01wt%。
在本发明的一个优选实施例中,基于增粘剂组合物,增粘剂组合物可以包含的5-氯-2-甲基-4-异噻唑啉-3-酮和2-甲基-2H-异噻唑啉-3-酮的量的范围是大于或等于0wt%至小于或等于0.0015wt%。
有利地,这使得增粘剂组合物能够特别均匀地施用,并且面板由此包含了特别均匀的增粘剂层。
在本发明的一个特别优选的实施例中,增粘剂组合物可以包含2-丁氧基乙醇、4-乙基吗啉、1,2-苯并噻唑-3(2H)-酮、吡硫锌、5-氯-2-甲基-4-异噻唑啉-3-酮和2-甲基-2H-异噻唑啉-3-酮,优选地分别为上述的量。
在本发明的一个优选的实施例中,含漆的顶涂层可以包含固化的顶漆,尤其是可辐射固化的固化顶漆。
辐射固化的固化顶漆表现出特别好的耐磨性能,并且尤其可以表现出特别好的触觉和/或光学性能。此外,通过可辐射固化的顶漆能够以特别容易的方式制造含漆顶涂层的结构。
在本发明的一个优选的实施例中,含漆的顶涂层可以包含固化的丙烯酸酯基顶漆,特别是固化的聚氨酯改性的丙烯酸酯基顶漆。
在本发明的一个优选的实施例中,含漆的顶涂层可以包含硬质材料,优选的量为5wt%至40wt%之间,其中,硬质材料的平均粒径优选在10μm至250μm之间。
在本发明的意义上,术语“硬质材料”应理解为具有足够硬度的材料。例如,硬质材料的莫氏硬度至少为≥8,优选地至少≥9。合适的硬质材料的例子为氮化钛、碳化钛、氮化硅、碳化硅、碳化硼、碳化钨、碳化钽、氧化铝(刚玉)、氧化锆、氮化锆或其混合物。
因此,能够有利地使得结构化的含漆顶涂层可以特别地耐磨。含漆顶涂层中的硬质材料能够在含漆的顶涂层固化后对其结构进行耐磨保护。因此,可以使结构不会因应力变得那么钝。
在本发明的另一个实施例中,含漆顶涂层的厚度可以为≥1μm至≤5mm,优选为≥1μm至≤200μm,特别地为≥1μm至≤20μm。
通过这种方式,有利地实现了含漆的顶涂层可以具有足够深的结构,从而可以实现特别好的触觉感观。此外,有利地实现了可以足够快地进行顶涂层的固化,使得结构不会因顶涂层的任何潮解而改变。
本发明还提出了一种制造包含结构化漆面的面板的方法。
具体地说,所提供的方法至少包括以下方法步骤:
a、提供底板,其包括设置在底板的表面上的三聚氰胺树脂层;
b、在三聚氰胺树脂层上形成基于增粘剂组合物的增粘剂层;
c、在增粘剂层上形成基于顶漆的含漆顶涂层;
其中,底板、增粘剂组合物和顶漆的设计如上所述,并且其中含漆顶涂层的形成包括顶漆的结构化和固化,或者
其中,底板、增粘剂组合物和顶漆的设计如上所述,并且其中三聚氰胺树脂层已被结构化,并且该方法包括形成含漆顶涂层和固化顶漆,以这样的方式使得在固化的顶漆层上的三聚氰胺树脂层的结构化是可感知的。
令人惊讶的是,这种方法可以用于特别简单地生产包含结构化漆面的面板,因为包含三聚氰胺树脂层的简单面板可以用作底板,因为它是大量生产的。因此,为了实现面板的结构化,不必对已建立的工艺进行广泛的修改,但结构化可以在随后进行或作为三聚氰胺树脂层形成的一部分进行。
在本发明的意义上,术语“固化”应理解为是指可成形材料失去其可成形性。例如,液体可成形材料可以被固化。例如,可通过固化将塑性变形固体转变为弹性变形固体。这里,至少在部分固化过程中,材料可能部地分失去其成形性,即可能在某些点(例如表面)失去其成形性。也可以理解为,成形性只会降低,材料不会变得完全不可成形。也可以理解为完全硬化。
在本发明的一个优选实施例中,增粘剂层的形成可以包括将增粘剂组合物应用到三聚氰胺树脂层上,并干燥三聚氰胺树脂层上的增粘剂组合物。
通过将增粘剂组合物应用到三聚氰胺树脂层上,增粘剂组合物可以弥补在形成增粘剂层时三聚氰胺树脂层的不均匀性。此外,可以实现在三聚氰胺树脂层的整个区域上形成增粘剂层,从而可以实现均匀的粘合。通过干燥增粘剂组合物,可以实现在增粘剂组合物固化之前将溶剂从三聚氰胺树脂层中去除。因此,可实现在应用时增粘剂组合物可以包含溶剂。溶剂可以用于调整增粘剂组合物的应用性能。
在本发明的一个实施例中,将增粘剂组合物应用到三聚氰胺树脂层上的应用过程可以包含轧制的过程。
通过轧制,可以有利地实现增粘剂组合物特别均匀的分布。此外,可以实现形成的增粘剂层特别薄。因此,特别是面板的视觉感观受到的损害特别小,同时,三聚氰胺树脂层和含漆顶涂层之间实现了充分且良好的粘合力。
在本发明的一个优选实施例中,增粘剂组合物可以在轧制的过程中进行干燥。
这可确保在轧制后增粘剂组合物保持均匀的分布。
在本发明的一个优选实施例中,形成增粘剂层可以包括固化增粘剂组合物,优选地通过电磁辐射和/或热量进行固化。
通过固化,可以实现增粘剂组合物与三聚氰胺树脂层的反应,尤其是与三聚氰胺树脂层结合。然而,同时,可以实现所形成的增粘剂层继而充分地粘附到含漆的顶涂层中。
在本发明的一个优选实施例中,增粘剂组合物可以通过电磁辐射进行固化,特别是通过UV辐射和/或IR辐射固化,优选的波长范围为≥10nm至≤450nm。
通过这种方式,尤其有利地实现了快速且均匀的固化。
在本发明的一个实施例中,顶漆包含可以塑料组合物,优选的是丙烯酸酯基塑料组合物,尤其是聚氨酯改性的丙烯酸酯塑料组合物。应当理解,在这种情况下,顶漆包括未固化形式的塑料组合物,因此顶漆的结构化是可能的。
这有利地确保含漆的顶涂层具有特别好的保护性能,例如稳定性、耐刮擦性、耐热性、耐水性等。
在本发明的一个优选实施例中,基于塑料组合物,所述塑料组合物可包含二丙二醇二丙烯酸酯,优选的量为>0wt%至≤15wt%,所述塑料组合物还包含季戊四醇、环氧氯丙烷和丙烯酸的反应产物,优选的量为≥2wt%至≤15wt%。
在本发明的一个优选实施例中,基于塑料组合物,所述塑料组合物可另外包含催化剂,其优选的量为≥1wt%至≤10wt%。优选地,所述催化剂可以是叔铵盐,尤其是选自四丁基溴化铵、甲基三辛基氯化铵、苄基三乙基氯化铵、十六烷基三甲基溴化铵及其混合物的叔铵盐。在本发明的特别优选实施例中,催化剂可为四丁基溴化铵。
在本发明的一个优选实施例中,基于塑料组合物,所述塑料组合物可另外包含光引发剂,其优选的量为≥0.1wt%至≤2wt%。
在本发明的一个优选实施例中,光引发剂可为氧化膦,优选为芳族氧化膦,尤其是苯基双(2,4,6-三甲基苯甲酰基)-氧化膦。
在本发明的另一个实施例中,含漆的顶涂层的厚度可以为≥1μm至≤5mm,优先地≥10μm至≤200μm,特别地≥50μm至≤60μm。这里,将含漆的顶涂层应用到增粘剂层上的用量为≥50g/m2至≤100g/m2,优选地为≥60g/m2至≤80g/m2,例如70g/m2
在本发明的一个实施例中,含漆的顶涂层包含可通过电磁辐射固化的材料,尤其是可通过UV辐射和/或IR辐射固化的材料。
这能够以有利的方式使得固化进行,尤其是以一种快速和局部定向的方式进行。根据本发明,可通过电磁辐射固化的材料应理解为在材料中可通过电磁辐射引发化学反应,由此使材料变得更硬。
例如,这种化学反应可以是聚合反应或交联反应。
在本发明的一个实施例中,可以在压花结构至少部分固化之后进行含漆的顶涂层的结构化。例如,该结构可通过使用短周期压力机或带式压力机进行压印。
有利的是,这可以使含漆的顶涂层的结构化特别快速且成本效益高。
同样,三聚氰胺树脂层可通过适当的结构化方式例如短周期压力机或带式压力机中的结构压板或皮带进行结构化。然后,含漆顶涂层的形成和顶漆的固化可以以这样的方式实施,即固化的顶漆层上的三聚氰胺树脂层的结构化是可感知的。因此,顶漆层遵循其下方和增粘剂层下方结构化的三聚氰胺树脂层的结构。
在本发明的一个实施例中,含漆的顶涂层的结构化可以通过使用喷墨工艺喷射置换油墨的数字印刷工艺来实现。
根据本发明,术语“喷射”被理解为是指将一种材料作为气溶胶以粒子和/或滴的形式喷射应用到亚表面上。根据本发明,术语“置换油墨”应理解为指油墨,例如液体、溶液或悬浮液,其在撞击可成形材料时可部分置换可成形材料。根据本发明,术语“喷墨工艺”应理解为是指通过一个或多个喷嘴在基质中施加油墨的工艺。
因此,通过置换油墨的冲击,有利地实现含漆的顶涂层的结构化。在油墨撞击的地方,液滴或颗粒的撞击会造成凹坑或低凹等凹陷,油墨会留在这些凹陷的底部。此外,在凹陷形成期间的置换可导致在凹陷周围形成一道墙,这表示凸起。
在本发明的一个实施例中,置换油墨基本上包含油墨组分,所述油墨组分选自丙烯酸基塑料、聚氨酯改性丙烯酸塑料、水、有机溶剂或其混合物。
因此,一方面可以有利地实现置换油墨能够被很好地喷射,另一方面具有很好的置换性能。
在本发明的一个优选实施例中,基于油墨组合物,油墨组合物可包含丙烯酸乙氧基乙酯,优选地包含2-(2-乙氧基乙氧基)丙烯酸乙烯酯,优选的量为≥20wt%至≤40wt%。此外,基于油墨组合物,油墨组合物可包含丙烯酸酯化的乙氧基化多元醇,优选地包含1,1,1-三羟甲基丙氧基甲酸三丙烯酸酯,优选的量为≥20wt%至≤40wt%。此外,基于油墨组合物,油墨组合物可包含聚氨酯丙烯酸酯,优选的量为≥10wt%至≤20wt%。此外,基于油墨的组合物,油墨组合物可包含季戊四醇丙烯酸酯,优选的量为≥5wt%至≤10wt%。基于油墨的组合物,油墨组合物可包含胺改性丙烯酸低聚物,尤其是三丙二醇二丙烯酸酯与二乙胺的反应产物,优选的量为≥5wt%至≤10wt%。
在本发明的一个实施例中,置换油墨可在含漆顶涂层固化期间与含漆顶涂层固化和交联。
有利地,这使得在置换油墨与含漆的顶涂层粘合时能够产生特别稳定的结构。
在本发明的一个实施例中,置换油墨在含漆顶涂层的固化的过程中蒸发。
通过这种方式,有利地实现了提供特别深的结构,因为所应用的置换油墨再次从凹陷处移除。
在本发明的一个实施例中,可以根据三维数字模板改变喷射置换油墨的滴速度、滴体积和位置。
通过改变和控制滴速度,可以有利地实现生产具有不同深度的结构。此外,还可以生产具有不同壁锐度的结构。特别地,该结构可以改变为具有锋利的边缘或者钝的边缘。通过改变滴体积,结构的深度也可以改变。
此外,特别是凹陷的宽度可以变化。通过改变位置,可以调整凹陷和凸起所在的位置。通过这种方式,实现了对结构的完全控制,从而可以根据三维数字模板生产所需的结构。在本发明中,术语“三维数字模板”应理解为是指三维地再现结构的模板,例如,其中该模板可以以存储在数字介质上的CAD模型的形式存在。
在本发明的一个实施例中,数字模板可以是基于装饰生成的,其中数字模板提供与装饰的触觉相对应的互补凹陷和凸起。
通过这种方式,有利地实现了防磨损膜的触觉感官与装饰的视觉感官相匹配,从而,例如,装饰板产生了特别高质量的整体感观。
在本发明的一个实施例中,通过使用UV辐射来进行固化,UV辐射的波长的范围是≥10nm至≤450nm,优选的范围是≥200nm至≤410nm。
在本发明的另一个实施例中,固化如以下进行:第一固化步骤中使用的UV辐射的波长范围是≥315nm至≤450nm,优选的范围是≥380nm至≤410nm,第二固化步骤中使用的UV辐射的波长范围是≥10nm至≤250nm,优选的范围是170nm至≤225nm。
通过这种方式,可以有利地实现表面固化至特别高的程度。这也使得实现特别高的耐化学性成为可能。此外,可以在不使用光引发剂或仅使用少量光引发剂的情况下实现很好的固化。此外,因此仅需少量热量输入即可实现固化。
在本发明的另一个实施例中,含漆的顶涂层尤其可以在第二固化步骤中使用辐射源的功率为≥5W/cm至≤30W/cm的UV辐射来进行固化。
通过这种方式,可以有利地实现在固化过程中,只需将少量的热量引入到含漆顶涂层中。此外,通过这种方式,可以避免不良的变形,并且含漆的顶涂层仍然可以得到充分固化。
在本发明的一个实施例中,在固化期间,尤其是在第二固化步骤中,UV辐射源和含漆顶涂层之间的体积包含惰性气体气氛。这应理解为意味着惰性气体(例如N2或稀有气体)已经基本上取代了UV辐射源和含漆顶涂层之间区域中的空气。特别地,这应理解为意味着基本上没有氧气直接暴露于UV辐射源和含漆顶涂层之间的UV辐射。
通过这种方式,可以有利地实现可以使用特别短的波长进行干燥的过程。因此,可以实现相对较少地吸收UV辐射。此外,可以实现UV辐射不会在空气中引起任何反应,例如与臭氧的反应。
此外,通过这种方式,可以避免不良的表面反应,从而获得特别稳定的表面。
在本发明的一个实施例中,固化开始的时间可以小于5s,优选为小于2s,尤其在形成结构后小于0.5s。
通过这种方式,有利地实现结构化不会因固化之前的后续潮解而改变。
在本发明的一个实施例中,含漆的顶涂层可以在结构化前预固化。
因此有利地,含漆顶涂层的粘度可以实现调节。通过这种方式,可以实现对结构进行特别详细的制造。这也可以理解为是指,固化过程在结构化之前不久就开始,以便在结构化过程中,形成的结构达到足以防止在最终固化前发生后续潮解的硬度。
下面参照附图进一步解释本发明。附图显示了本发明的一个可能实施例。然而,原则上,在本发明的范围内,实施例的组合或变化都是可能的。
图1示意性地展示了具有结构化漆面的面板的结构。
具体地,图1展示了具有结构化漆面的面板1的横截面的示意图。所述面板包括底板2、三聚氰胺树脂层3、增粘剂层4和含漆的顶涂层5,其中三聚氰胺树脂层3设置在底板2的一个表面上,增粘剂层4设置在三聚氰胺树脂层3上,含漆的顶涂层5设置在增粘剂层4上,其中含漆的顶涂层5是结构化的。
在这种情况下,所示实施例的底板2包括具有装饰的装饰层6。这里,三聚氰胺树脂层3设置在装饰层6上。此外,底板2还包括三聚氰胺树脂层7、载板8和衬纸9。
面板1是通过首先将三聚氰胺树脂层3应用到底板2的装饰层6上而制成的,底板2包括装饰层6、三聚氰胺树脂层7、载板8和衬纸9。将增粘剂组合物辊轧到如此制造的底板2上,增粘剂组合物包括设置在底板2表面上的三聚氰胺树脂层3,然后在形成增粘剂层4的同时进行固化。
随后,在增粘剂层4上施加顶漆,通过数字印刷工艺进行结构化和随后进行固化,其中形成了结构化的含漆顶涂层5。
附图标记:
1.具有结构化漆面的面板
2.底板
3.三聚氰胺树脂层
4.增粘剂层
5.含漆的顶涂层
6.装饰层
7.进一步的三聚氰胺树脂层
8.载板
9.衬纸

Claims (16)

1.具有结构化漆面的面板,其包括底板、三聚氰胺树脂层、增粘剂层和含漆的顶涂层,其中,所述三聚氰胺树脂层设置在所述底板的表面上,所述增粘剂层设置在所述三聚氰胺树脂层上,所述含漆的顶涂层设置在所述增粘剂层上,其中所述含漆的顶涂层具有结构。
2.根据前述权利要求所述的面板,其中,所述底板包含具有装饰的装饰层,并且其中,所述三聚氰胺树脂层设置在所述装饰层上。
3.根据前述权利要求所述的面板,其中,所述含漆的顶涂层的结构至少在部分区域中与所述装饰层的装饰同步。
4.根据前述权利要求中任一项所述的面板,其中,所述底板包含与表面相邻的边缘,并且所述含漆的顶涂层额外地设置在所述边缘上。
5.根据前述权利要求中任一项所述的面板,其中,所述增粘剂层包含酸固化和/或辐射固化的固化增粘剂组合物。
6.根据前述权利要求所述的面板,其中,所述增粘剂层包括固化的作为增粘剂组合物的氨基塑料,优选为脲醛树脂、三聚氰胺树脂和/或三聚氰胺脲醛树脂。
7.根据权利要求5或6中任一项所述的面板,其中,所述增粘剂层包括固化的丙烯酸酯基增粘剂组合物,特别是聚氨酯改性的丙烯酸酯基增粘剂组合物。
8.根据权利要求5-7中任一项所述的面板,其中,所述增粘剂组合物包含二季戊四醇丙烯酸酯和乙氧基化三甲基丙烷三丙烯酸酯,优选地二季戊四醇丙烯酸酯与乙氧基化三甲基丙烷三丙烯酸酯的质量比为1:2至3:1。
9.根据权利要求5-8中任一项所述的面板,其中,所述增粘剂组合物还包含水和任选的2-丁氧基乙醇、4-乙基吗啉、1,2-苯并异噻唑-3(2H)-酮、吡硫锌和/或反应量的5-氯-2-甲基-4-异噻唑啉-3-酮和2-甲基-2H-异噻唑-3-酮。
10.根据前述权利要求中任一项所述的面板,其中,所述含漆的顶涂层包含固化的顶漆,特别是辐射固化的固化顶漆。
11.根据前述权利要求中任一项所述的面板,其中,所述含漆的顶涂层包含固化的丙烯酸酯基顶漆,特别是固化的聚氨酯改性丙烯酸酯基顶漆。
12.制造根据前述权利要求中任一项所述的具有结构化漆面的面板的方法,至少包括以下方法步骤:
a、提供底板,所述底板包括设置在底板的表面上的三聚氰胺树脂层;
b、在所述三聚氰胺树脂层上形成基于增粘剂组合物的增粘剂层;
c、在所述增粘剂层上形成基于顶漆的含漆的顶涂层;
其中所述底板、增粘剂组合物和顶漆的设计根据前述权利要求中的任一项所述,并且其中所述含漆的顶涂层的形成包括顶漆的结构化和固化,或者
其中所述底板、增粘剂组合物和顶漆的设计如上所述,并且其中所述三聚氰胺树脂层已被结构化,并且其中所述含漆的顶涂层的形成包括以在固化的顶漆层上的三聚氰胺树脂层的结构化为可感知的方式固化顶漆。
13.根据前述权利要求中任一项所述的方法,其中,形成增粘剂层包括将增粘剂组合物应用到三聚氰胺树脂层上,并干燥在三聚氰胺树脂层上的增粘剂组合物。
14.根据前述权利要求中任一项所述的方法,其中,形成增粘剂层包括固化增粘剂组合物,优选地通过使用电磁辐射和/或热量固化。
15.根据前述权利要求中任一项所述的方法,其中,含漆的顶涂层通过使用电磁辐射进行固化,特别是通过UV辐射和/或IR辐射进行固化,优选的波长范围为大于等于10nm至小于等于450nm。
16.根据前述权利要求中任一项所述的方法,其中,通过使用数字印刷工艺来进行所述含漆的顶涂层的结构化,优选地通过喷墨工艺喷射置换油墨来进行。
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