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    环氧地坪漆表面发白的原因及应对方法

    2019-03-21 08:40:18 无锡盛发地坪科技有限公司 阅读

    环氧地坪漆表面发白是指在环氧地坪漆涂装过程中或者刚涂装完毕后,环氧地坪漆涂膜表面呈乳白色,严重时失光,出现微孔的现象,甚至影响到整体环氧地坪涂装系统的质量。那么造成环氧地坪漆表面发白的原因是什么呢?又该如何解决呢?

    The surface whitening of epoxy floor paint refers to that the surface of epoxy floor paint is milky white in the process of painting or just after finishing painting, which causes serious loss of gloss and micro-pore, and even affects the quality of the whole floor painting system. So what is the cause of the whitening of the epoxy floor paint surface and how to solve it? 

    造成环氧地坪漆表面发白的原因:

    Causes of whitening of epoxy floor paint surface:

    1、施工环境湿度过大,空气中的水分直接进人涂层。

    1. The humidity of the construction environment is too high, and the moisture in the air enters directly into the coating.

    2、当空气温度较低,湿度较大,涂层中的溶剂挥发速度很快引起涂层表面温度急剧下降,最易使空气中的湿气在涂层表面凝结成水分浸入涂层中,结果导致雾状发白。

    2. When the air temperature is low and the humidity is high, the volatilization rate of solvent in the coating will cause the surface temperature of the coating to drop sharply. It is most likely that the moisture in the air will condense on the surface of the coating and immerse in the coating, resulting in foggy whitening.

    3、所选择的有机溶剂、稀释剂沸点过低,挥发比较快,降低了涂膜表面的温度,使得水汽凝积,导致涂膜发白、浑浊、失光,甚至出现裂纹和小孔。

    3. The selected organic solvents and diluents have low boiling point and fast volatilization, which reduces the surface temperature of the film and condensates water vapor, resulting in whitening, turbidity, loss of light, and even cracks and small holes.


    解决环氧地坪漆表面发白的方法

    The method of solving the surface whitening of floor paint is as follows:

    1、地坪漆施工现场的环境温度最好在15~25℃,相对湿度不应大于70%。

    1. The environmental temperature of the floor paint construction site should be 15-25 degrees Celsius, and the relative humidity should not be more than 70%.

    2、选用高沸点挥发速度慢的有机溶剂,如丁醇、醋酸丁酯、乳酸乙酯及乳酸丁酯、二丙酮醇、醋酸戊酯、环已酮等。

    2. Select organic solvents with high boiling point and slow volatilization rate, such as butanol, butyl acetate, ethyl lactate and butyl lactate, diacetone alcohol, amyl acetate, cyclohexanone, etc.

    3、保持施工现场通风,减少室温与地面的温差。

    3. Maintain ventilation in construction site and reduce temperature difference between room temperature and ground.



    标签:   环氧地坪 地坪 环氧地坪漆 环氧地坪施工
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