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当前位置 -> 首页新闻资讯无锡环氧地坪漆在低温下的地坪施工技巧分享 发布时间:(2019/9/11)

无锡环氧地坪漆在低温下的地坪施工技巧分享

标签:混凝土密封固化剂 | 混凝土密封固化剂厂家

为解决低温无锡环氧地坪施工的一些操作方法,不过在低温条件下,环氧地坪漆施工难度更大,并且固化反应速度也更慢,这代表需要更长的时间进行固化,而在此时,缓慢干燥的表面更容易受到空气浮尘、湿气等的影响,因此需要有更好的环氧地坪施工后的防护措施,包括防尘防水等等。环氧涂料的固化过程是环氧树脂与固化剂形成交联互接的过程,两种材料从原来的液态反应生成固态的漆膜结构,这个反应过程受到温度、湿度、温差变化、通风状况等等许多因素的影响,每一个因素的变化,都会引起相应的许多不良风险。受施地面温度不低于5℃,为了解决这个问题,环氧地坪施工时需要做相应的优化方案,具体如下:

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、提高室温

1. Increasing room temperature

当地表温度低于5℃时,需要先封闭施工场所,利用供暖设备把室温提升到5℃以上,并作一定时间的稳定之后再施工,如果没有供暖设备,可以采用热风机吹送的方法,把高温气体吹向受施地面。

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、避开低温时段

2. Avoiding Low Temperature Period

早晚时段的温度通常会比较低,施工时可以避开这两个时间段,把施工时间安排在早上10点以后,由于10点后的气温会逐步上升,这对于在低温环境下的环氧地坪漆固化,会更有利,并且温差的变化不会太大,降低了固化跨度大的负面影响。

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、适当添加溶剂

3. Adequate Solvent Addition

气温过低的情况下,固化反应缓慢,并且漆液的黏度会加大,不易流动,此时加入小于5%的挥发性更高的溶剂,可以提升流动性,使漆液具有更好的施工效果,此类溶剂有: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、对涂料预热

4. Preheating of Coatings

在调配材料之前,把涂料存放于温暖的环境让其温度保持在较高状态也可以提升低温施工的效果,也可以采用外加热的方法,如使用蒸汽、热水、热风进行加热,使材料在38℃以内温度下,然后再进行调配使用。

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.

其中的温度对于固化的化学反应影响非常之大,通常环氧地坪漆施工要求气温在5℃-30℃之间最为适宜,不过我国地域辽阔,气候多样,往北走向,许多地区大部分时间会处于温度较低的情况,这对于环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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来源:无锡环氧地坪公司  浏览次数:10
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