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    高温的夏季对于环氧地坪施工常见问题

    2019-06-29 14:58:28 无锡盛发地坪科技有限公司 阅读

    立夏到来,意味着炎热的夏季拉开序幕。今天我们来谈谈高温下环氧地坪漆施工需注意的一些细节。夏季进行环氧地坪施工,一定要注意以上问题,尽量避免,才能保证施工的质量。温度对于环氧地坪施工有着密不可分的关系,关系着环氧地坪施工质量的好坏。一般情况下,建议环氧地坪在5℃以上进行施工,因为温度过低会影响环氧地坪的固化时间及效果,可能会导致漆膜硬度、强度、光泽度等性能下降,并增加了漆膜受灰尘污染的可能性;同样的话如果温度过高,会使漆膜表面泛白、失光、出现裂纹等,甚至发生漆膜发粘、不固化的严重现象。

    The arrival of early summer means the beginning of hot summer. Today, let's talk about some details that should be paid attention to in the construction of epoxy floor paint under high temperature. During the construction of epoxy floor in summer, we must pay attention to the above problems and avoid them as far as possible so as to ensure the quality of construction. Temperature has an inseparable relationship with the construction of epoxy flooring, which is related to the quality of the construction of epoxy flooring. Generally speaking, it is recommended that the epoxy floor be constructed above 5 C, because too low temperature will affect the curing time and effect of the epoxy floor, which may lead to the decrease of the hardness, strength and glossiness of the paint film, and increase the possibility of dust contamination of the paint film; if the temperature is too high, it will make the surface of the paint film white, lose light, crack, etc., and even produce the paint film. The serious phenomenon of stickiness and non-solidification.

    高温下环氧地坪施工会出现以下几个问题

    The following problems will arise in the construction of epoxy floor under high temperature

    01、起皱

    01. Wrinkle

    环氧地坪起皱现象

    Wrinkling phenomenon of epoxy floor

    温度过高,环氧地坪漆涂层里层和表层的干燥速度不同,在高温下涂层表面会迅速干燥,急剧收缩向上收拢,产生皱纹。也可能是施工中一次涂刷太厚,漆膜表面快速干燥,但内部未干,因而起皱。

    When the temperature is too high, the drying speed of the inner layer and the surface layer of the floor paint is different. At high temperature, the surface of the coating will dry rapidly, shrink sharply and fold upward, resulting in wrinkles. It may also be that the coating is too thick in the construction, the surface of the paint film dries quickly, but the interior is not dry, so it wrinkles.

    解决方案:将起皱部位用铲刀铲去,再用粗砂打磨平整按正常施工一至两遍。紧记要待第一层漆干透后,才可上第二层,但不宜涂得太厚。

    Solution: Scrape the wrinkled part with a spade, and then use coarse sand to grind and leveling as normal construction once or twice. Keep in mind that only after the first layer of paint is thoroughly dried, can the second layer be applied, but not too thick.

    02、起泡

    02. Foaming

    环氧环氧地坪起泡现象

    Foaming phenomenon of epoxy floor

    起泡表现为油漆漆膜中存在气泡。主要是因为部分地坪漆涂料中含有自动分解释放气体的物质,搅拌也会在涂料中混入气体,温度过高,涂层在涂料中的气体释放出来之前固化,就会让气体留在涂层内,形成气泡。

    Foaming is manifested by the presence of bubbles in the paint film. The main reason is that some floor paint coatings contain substances that automatically decompose and release gases. Stirring will also mix gases in the paint. The temperature is too high. The coating solidifies before the gas in the paint is released, and the gas will remain in the coating and form bubbles.

    解决方案:基材表面要处理干净,底材含水率不能太高,耐高温漆 如基材表面有水,要等水渍干透后再上油漆。如果已经产生气泡,可将有气泡处用铲刀铲去,重新打磨上漆。

    Solution: The surface of the base material should be cleaned, the moisture content of the base material should not be too high. High temperature resistant paint, such as water on the surface of the base material, should be painted after the water is thoroughly dried. If air bubbles have been generated, the air bubbles can be shoveled off with a spade and repainted with paint.

    03、针孔

    03. Pinhole

    环氧地坪针孔现象

    Pinhole Phenomenon in Epoxy Floor

    表现为油漆漆膜中存在着类似于针刺成的细孔。主要因为地坪漆涂料中的气体能透过涂膜释放到涂层外,但溶剂已基本挥发,涂料黏度过高,气泡造成的小孔已无法自动消除。

    It is shown that there are fine holes in the paint film which are similar to those made by needling. The main reason is that the gas in the floor paint can be released to the outside of the coating through the coating film, but the solvent has basically volatilized, the paint viscosity is too high, and the small holes caused by bubbles can not be eliminated automatically.

    解决方法:如是色漆砂磨后用腻子填平,再刷一至两遍即可。清漆打磨后薄刷几遍,让油漆渗入毛孔内填平为止。

    Solution: If the paint is sanded and filled with putty, then brush it once or twice. Brush the varnish several times after polishing and let the paint penetrate into the pore until it is filled.所以,在地坪施工中,一是要处理好基层问题,二是在进行配料时,施工设备和工具要保持清洁,注意清洁避免杂质混入。夏季温度过高时,配料后应尽快使用,一般再30分钟内使用完毕,以避免材料凝结。

    Therefore, in the construction of the floor, the first is to deal with the grass-roots problems, and the second is to keep the construction equipment and tools clean, pay attention to cleaning and avoid impurities mixing. When the temperature is too high in summer, the ingredients should be used as soon as possible, usually within 30 minutes to avoid material condensation. 



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