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當前位置 -> 首頁行業資訊環氧地坪漆在低溫下的地坪施工技巧分享 發布時間:(2019/9/11)

環氧地坪漆在低溫下的地坪施工技巧分享

 

為解決低溫無錫環氧地坪施工的一些操作方法,不過在低溫條件下,環氧地坪漆施工難度更大,并且固化反應速度也更慢,這代表需要更長的時間進行固化,而在此時,緩慢干燥的表面更容易受到空氣浮塵、濕氣等的影響,因此需要有更好的環氧地坪施工后的防護措施,包括防塵防水等等。環氧涂料的固化過程是環氧樹脂與固化劑形成交聯互接的過程,兩種材料從原來的液態反應生成固態的漆膜結構,這個反應過程受到溫度、濕度、溫差變化、通風狀況等等許多因素的影響,每一個因素的變化,都會引起相應的許多不良風險。受施地面溫度不低于5℃,為了解決這個問題,環氧地坪施工時需要做相應的優化方案,具體如下:

In order to solve some operation methods of low-temperature construction, however, under low-temperature conditions, the construction of epoxy floor paint is more difficult and the curing reaction speed is slower, which means that it takes longer to cure. At this time, the slowly drying surface is more susceptible to the influence of air dust, moisture and so on, so it needs to be better. The protective measures after the construction of epoxy floor, including dust and waterproof, etc. The curing process of epoxy coatings is the process of crosslinking between epoxy resin and curing agent. The two materials react from the original liquid state to form a solid film structure. This reaction process is affected by many factors such as temperature, humidity, temperature difference, ventilation and so on. The change of each factor will cause corresponding changes. Many adverse risks. In order to solve this problem, it is necessary to optimize the construction of epoxy flooring, as follows: 

1、提高室溫

1. Increasing room temperature

當地表溫度低于5℃時,需要先封閉施工場所,利用供暖設備把室溫提升到5℃以上,并作一定時間的穩定之后再施工,如果沒有供暖設備,可以采用熱風機吹送的方法,把高溫氣體吹向受施地面。

When the surface temperature is below 5 C, it is necessary to close the construction site, raise the room temperature above 5 C with heating equipment, and stabilize it for a certain period of time before construction. If there is no heating equipment, the high temperature gas can be blown to the applied ground by hot air blower.

2、避開低溫時段

2. Avoiding Low Temperature Period

早晚時段的溫度通常會比較低,施工時可以避開這兩個時間段,把施工時間安排在早上10點以后,由于10點后的氣溫會逐步上升,這對于在低溫環境下的環氧地坪漆固化,會更有利,并且溫差的變化不會太大,降低了固化跨度大的負面影響。

Temperature in the morning and evening is usually relatively low, so we can avoid these two periods during construction, and arrange the construction time after 10:00 a.m., because the temperature will rise gradually after 10:00 a.m., it will be more favorable for the curing of floor paint in low temperature environment, and the change of temperature difference will not be too big, which reduces the negative of large curing span. Surface effect.

3、適當添加溶劑

3. Adequate Solvent Addition

氣溫過低的情況下,固化反應緩慢,并且漆液的黏度會加大,不易流動,此時加入小于5%的揮發性更高的溶劑,可以提升流動性,使漆液具有更好的施工效果,此類溶劑有:丙酮、醋酸乙酯、醋酸丁酯等等。

When the temperature is too low, the curing reaction is slow, and the viscosity of the paint will increase, which is not easy to flow. At this time, adding less than 5% volatile solvents can improve the fluidity and make the paint have better construction effect. Such solvents are acetone, ethyl acetate, butyl acetate and so on.

4、對涂料預熱

4. Preheating of Coatings

在調配材料之前,把涂料存放于溫暖的環境讓其溫度保持在較高狀態也可以提升低溫施工的效果,也可以采用外加熱的方法,如使用蒸汽、熱水、熱風進行加熱,使材料在38℃以內溫度下,然后再進行調配使用。

Before mixing materials, keeping the paint in a warm environment and keeping it in a higher temperature can also improve the effect of low-temperature construction. External heating methods can also be used, such as using steam, hot water and hot air to heat the material, so that the material can be used at a temperature of less than 38 degrees Celsius before mixing.

其中的溫度對于固化的化學反應影響非常之大,通常環氧地坪漆施工要求氣溫在5℃-30℃之間最為適宜,不過我國地域遼闊,氣候多樣,往北走向,許多地區大部分時間會處于溫度較低的情況,這對于環氧地坪漆施工非常不利。

Temperature has a great influence on the chemical reaction of curing. Usually, the temperature of epoxy floor paint is between 5 ~30 C, which is the most suitable. However, China has a vast territory, diverse climate, moving northward, and many areas will be in a low temperature for most of the time, which is very unfavorable for the construction of epoxy floor paint.

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來源:中亞地金  瀏覽次數:97
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