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    分析旧环氧地坪漆漆膜上涂漆的技巧

    2019-05-06 08:27:42 无锡盛发地坪科技有限公司 阅读

    由于环氧地坪漆也是有使用寿命(参考:《环氧地坪漆一般能用多长时间》)的,在使用过程中除了需要对旧环氧地坪翻新改造外,也会遇到旧环氧地坪漆漆膜并没有损坏,却需要涂漆的情况,下面环氧地坪漆厂家就给大家详细介绍旧环氧地坪漆漆膜上涂漆的技巧。

    Because epoxy floor paint also has a useful life (Reference: How long can epoxy floor paint generally use). In addition to the need to renovate the old epoxy floor paint, it will also encounter the situation that the old floor paint film is not damaged, but needs to be painted. The following epoxy floor paint manufacturer will give you a detailed introduction of the painting techniques on the old floor paint film. 1、旧漆膜出现粉化、失光、生锈、起泡、剥落、开裂、玷污、长霉等现象时,程度轻的可用细砂纸或洗涤剂清除失效漆膜、沉屑、污损后,可以参照弊病防止措施进行补救,重新涂装。严重的弊病,涂层已经不完整,失去保护功能的场合,则应彻底去掉涂层,重新涂装。

    1. When the old paint film appears powdering, losing light, rusting, foaming, peeling, cracking, smearing, long mould and other phenomena, the light-degree fine sand paper or detergent can be used to remove the invalid paint film, sediment and stain, and then the defect prevention measures can be taken to remedy and re-coat. Serious drawbacks, the coating has been incomplete, loss of protection function occasions, it should be completely removed coating, re-painting.

    2、旧漆膜过厚、发脆或与新设计的涂料不适应、不配套,应予以除去。

    2. If the old paint film is too thick, brittle or not suitable for the newly designed paint, it should be removed.

    3、将旧漆膜除去失效部分,直到完好、坚硬、附着良好的漆膜,其下不得有锈或起泡,与底材附着力很高,不能被插入其底下的钝的刀片起层。漆膜表面需除尘、油和其他附着污物。

    3. Remove the invalid part of the old paint film until it is intact, hard and well adhered. There must be no rust or bubbles under it. It has high adhesion to the substrate and can not be inserted into the blunt blade under it. Dust removal, oil and other attachments are required on the surface of the paint film.

    4、留在区域边缘准备再涂得牢固附着的漆膜必须加工成羽状,以使再涂装表面具有光滑的外观。为了增强与新涂料的附着强度,一般可将旧漆膜打毛处理。

    4. The paint film which remains at the edge of the area and is prepared to be firmly adhered to must be processed into a pinnate shape in order to make the re-coated surface have a smooth appearance. In order to enhance the adhesion strength with the new coatings, the old coatings can generally be wooled.

    5、进行再涂装所用的地坪漆材料一般最好与最初涂覆所用的涂料相同。可在旧漆膜上涂覆符合配套原则的其他品种涂料,但须预先在局部作实验。如环氧做底漆,可在其上涂装各种品种的涂料,但为防止附着力不佳,可加涂“过渡层”,然后按照环氧地坪漆施工工艺施工即可。

    5. The floor paint materials used for re-painting are generally the same as those used for the initial coating. Other kinds of coatings which conform to the matching principle can be coated on the old paint film, but local experiments must be done in advance. If epoxy is used as primer, various kinds of coatings can be coated on it, but in order to prevent poor adhesion, the "transition layer" can be added, and then the construction process of epoxy floor paint can be followed.

    当涂装过地坪漆涂料的表面出现了起皮、起泡、腐蚀、开裂等现象时,我们需要将这部分有质量问题地坪涂装完全去除掉,只要露前涂装前的基材才可进行重新涂装。常用的除漆方法有:

    When there are some phenomena such as peeling, foaming, corrosion and cracking on the surface of the coated floor paint, we need to completely remove this part of the floor paint with quality problems, as long as the base material before dew painting can be re-painted. The commonly used paint removing methods are:

    一、机械除漆法

    I. Mechanical Paint Removal

    机械除漆指借助于一定的施工工具来进行除漆工作,如手工打磨、动力工具、抛丸、高压力(磨料)射流等方法,都是可以有效的去除旧地坪油漆层的方法。

    Mechanical paint removal refers to the use of certain construction tools for paint removal, such as manual polishing, power tools, shot blasting, high pressure (abrasive) jet and other methods, are effective methods to remove the old floor paint layer.

    二、火焰除漆法

    2. Flame Paint Removal

    火焰除漆是指通过火焰加温的方法使旧漆层焦软、起泡,在此同时用刮刀进行刮铲旧地坪漆膜。

    Flame paint removal refers to the method of heating the flame to make the old paint coke soft and foam, while scraping the old floor paint film with a scraper.

    三、碱液除漆法

    3. Paint Removal by Alkali Solution

    碱液除漆法是利用碱液的腐蚀作用,使旧涂膜膨胀松软,从而达到去除旧地坪漆膜的目的。

    Alkali solution paint removal method is to use the corrosion of alkali solution to make the old paint film swell and soft, so as to achieve the purpose of removing the old floor paint film.

    四、脱漆剂脱漆

    IV. Paint Removal Agent

    脱漆剂是能够溶解或溶胀涂膜的溶剂或膏状物,主要由溶解能力强的溶剂与石蜡、纤维素等组成。在地坪涂装行业,清除旧涂膜主要用机械的方法如手工烤铲等。

    Paint remover is a solvent or paste that can dissolve or swell the coating film. It is mainly composed of solvent with strong solubility, paraffin, cellulose and so on. In the floor coating industry, the main mechanical methods for removing old coatings are hand-baked shovels, etc.


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