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造成彩钢瓦脱落的原因

来源:http://www.jnjgcg.com/ 日期:2021-12-23 发布人:jiangucaigang
彩钢瓦创新时不好的现象就是漆膜零落,假定施工处置的不好,它是比拟常见的。构成彩钢瓦创新漆漆膜零落的缘由主要施工操作不当,招致表层漆膜和金属外表之间铁了附着力,漆膜就会构成小片或鱗片零落,为了避免这种现象的发作,下面我们来细致的剖析一下。
The bad phenomenon of color steel tile innovation is that the paint film is scattered. Assuming that the construction treatment is not good, it is relatively common. The main reason for the scattering of innovative paint film of color steel tile is improper construction operation, which leads to the iron adhesion between the surface paint film and the metal surface, and the paint film will form small pieces or scales. In order to avoid the occurrence of this phenomenon, let's analyze it in detail below.
一、彩钢瓦创新金属外表处置不充沛,过火润滑。喷涂前,底材未经外表处置或处置不干净,外表残存水分、油污、氧化皮等。漆膜的附着力通常来源于两个方面,一方面是物理上的吸收力和微小的构造域构造之间的勾、搭、缠、绕等分别力;另一方面源于各种化学键产生的分别力。假定底材过于润滑,则涂膜对底材的物理分别力就会变弱,招致漆膜不能附着在底材上从而招致彩钢瓦创新漆漆膜零落。
1、 Color steel tile innovative metal surface treatment is not sufficient and over lubricated. Before spraying, the surface of the substrate is not treated or not cleaned, and there is residual water, oil stain, scale, etc. on the surface. The adhesion of paint film usually comes from two aspects: on the one hand, it is the physical absorption force and the hook, overlap, entanglement and winding force between small structural domain structures; On the other hand, it comes from the separate forces produced by various chemical bonds. If the substrate is too lubricated, the physical separation force of the coating film on the substrate will become weak, resulting in the paint film can not adhere to the substrate, resulting in the scattering of innovative paint film of color steel tile.
解决办法:把润滑外表打磨成平光,对水分、油污、氧化皮等要完全肃清洁净。
Solution: polish the lubricating surface into a flat surface, and completely clean the water, oil and oxide skin.
二、彩钢瓦创新底漆选择不对,构成漆膜零落。比方漆膜过硬,使面漆不易粘合或底漆光泽太大等缘由。底、面漆不配套,构成层间附着力欠佳,兼容性差。
2、 The innovative primer of color steel tile is not selected correctly, and the paint film is scattered. For example, the paint film is too hard, so that the top coat is not easy to bond or the gloss of the primer is too large. The primer and finish coat are not matched, the adhesion between constituent layers is poor, and the compatibility is poor.
解决办法:选用与底漆配套的中间漆或者面漆产品,高性能的彩钢瓦创新专用漆是做好工程的前提条件。
Solution: select intermediate paint or topcoat products matched with primer, and high-performance innovative special paint for color steel tile is the prerequisite for doing a good job in the project.
三、彩钢瓦创新专用漆不能喷涂过厚或漆膜层间干得不透,遇到水气等,漆膜单调情况不良。假定面漆漆膜厚度超厚或因其他缘由底漆中的溶剂不能充沛发挥出来,层间的漆膜界面会由于溶剂的存在构成蜂窝状,使得涂膜疏松、强度降落,构成附着力降落,一旦破损就会构成零落。
3、 The innovative special paint for color steel tile shall not be sprayed too thick or the paint film layers are not dry. In case of water vapor, the paint film is monotonous and poor. Assuming that the thickness of the finish paint film is too thick or the solvent in the primer can not be brought into full play for other reasons, the paint film interface between layers will form a honeycomb due to the existence of solvent, resulting in loose film, reduced strength and reduced adhesion. Once damaged, it will form scattered.
解决办法:彩钢瓦创新漆漆膜需干透后并经打磨,能够涂覆面漆,以增加涂层间附着力。但也要避免底漆过度单调。底漆过度单调后,使得面漆与底漆之间缺乏来自化学键的分别力,从而会降低层间附着力,招致零落。为了避免层剥落,还要留意,严禁被涂物暴露时间过长,暴露时间过长,底材或底漆容易被异物如油等污染,外表发作粉化或因长时间暴露生成新的化学物质时,面漆不能与底漆或底材充沛接触,也会影响涂层之间的附着力,构成彩钢瓦创新漆漆膜零落。
Solution: the innovative paint film of color steel tile needs to be dry and polished, and can be coated with finish paint to increase the adhesion between coatings. However, avoid excessive monotony of primer. After the primer is excessively monotonous, there is a lack of separation force from chemical bond between the topcoat and the primer, which will reduce the adhesion between layers and lead to scattering. In order to avoid layer peeling, it is also important to note that it is strictly prohibited to expose the coating for a long time. If the exposure time is too long, the substrate or primer is easy to be polluted by foreign matters such as oil. When the surface is powdered or new chemicals are generated due to long-term exposure, the topcoat cannot be in full contact with the primer or substrate, which will also affect the adhesion between the coatings, forming a scattered innovative paint film of color steel tile.
由于彩钢瓦创新专用漆自身性能缘由产生的剥落状况不多见,大局部都是由于底材处置不洁净,或者底漆超越了规则的涂装距离而没有依照央求中止清洁处置所致,因而装前的清算工作要保证涂膜间有足够的附着力,防止产生零落弊病是关键。
As the peeling caused by the performance of the innovative special paint for color steel tile is rare, most of them are caused by the unclean treatment of the substrate, or the primer exceeds the regular coating distance and does not suspend the cleaning treatment according to the request. Therefore, the key to the liquidation before installation is to ensure sufficient adhesion between the coatings and prevent scattered defects.
本文由济南彩钢瓦为您提供,我们的网站是:http://www.jnjgcg.com我们将以全心全意的热情为您提供服务,欢迎您的访问!
This article is provided by Jinan Caigang tile. Our website is: http://www.jnjgcg.com We will serve you with wholehearted enthusiasm. Welcome to visit!
此文关键词: 济南彩钢瓦  

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