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    怎么解决环氧地坪冬季低温施工的问题?

    2019-07-18 17:36:09 无锡盛发地坪科技有限公司 阅读

    地坪行业都知道冬季是环氧地坪行业的淡季,这是为什么呢?因为冬季气温太低,容易造成许多环氧地坪问题,其中最大的问题就是漆不容易干,而工人为了赶工期,就急冲冲往上施工,导致环氧地坪的施工效果不理想。如果环氧地坪的厚度比较厚,那效果更是糟糕,在冬天里更是难干。照此施工,环氧地坪就会出现龟裂的现象。那到底有没有办法可以避免这样的现象呢?环氧地坪公司都知道环氧地坪涂料的最佳施工环境是湿度度小于75%,温度10-35℃,一般来说5℃以上也可施工,低于5℃,环氧地坪涂料的地上实际作用就比较难确保。低温环境下,为什么环氧地坪涂料难以施工了?原因如下:

    The flooring industry knows that winter is the off season of epoxy flooring industry. Why? Because the temperature is too low in winter, it is easy to cause many problems of epoxy flooring. The biggest problem is that the paint is not easy to dry. In order to catch up with the construction period, workers rush up to construct, resulting in unsatisfactory construction effect of epoxy flooring. If the epoxy floor is thicker, the effect will be worse, and it will be harder to dry in winter. According to this construction, the epoxy floor will crack. Is there any way to avoid this phenomenon? Epoxy flooring company knows that the best construction environment of epoxy flooring coating is humidity less than 75%, temperature 10-35 C, generally speaking, more than 5 C can also be constructed, below 5 C, the actual role of epoxy flooring coating on the ground is more difficult to ensure. Why is it difficult to apply epoxy floor coating in low temperature environment? The reasons are as follows:

    1、减慢涂料反响

    1. Slow down the reaction of coatings

    双组分的环氧地坪涂料(我司的为双组分)施工,需求现场将甲、乙组分按5:1或1:1的比率混合,搅拌均匀,让双组分充分反响,这样才调确保环氧地坪的作用。但假定温度低于5℃,反响将会下降或减缓,这会严峻影响地坪涂料的固化功用。而固化功用的下降,将导致涂膜外表干得很慢,会添加涂膜被尘土,杂物,或许昆虫(苍蝇、蚊子)污染的或许。

    Two-component floor paint (our company's two-component) construction, the need for on-site mixing of components A and B at a ratio of 5:1 or 1:1, mixing evenly, so that the two components fully respond, so as to adjust to ensure the role of the floor. But assuming that the temperature is below 5 C, the reaction will decrease or slow down, which will seriously affect the curing function of floor coatings. The decrease of curing function will result in a slow drying of the coating surface, which may be contaminated by dust, debris, or insects (flies, mosquitoes).

    2、黏度成倍增长

    2. Viscosity doubles

    无溶剂的自流平涂料无需刮涂,靠流平性确保地坪的平整度。但低温下,地坪涂料的黏度会成倍添加,流平功用将下降。而不靠流平性的涂料,刮涂时会由于活动、流平功用变差,而出现镘刀痕的缺陷。

    Solvent-free self-leveling coatings do not need scratching, depending on leveling to ensure the evenness of the floor. However, at low temperature, the viscosity of floor coating will be doubled and the leveling function will decrease. However, the flatness of the coatings will lead to the defect of trowel marks when scraping due to the worsening of the activity and leveling function.

    3、下降涂膜质量

    3. Decreasing the Quality of Coatings

    由于固化反响减慢,或许完毕不能固化,涂膜的强度、硬度、耐磨性都将会下降,并且会更简略出现地坪脱离等问题,严峻的影响环氧地坪的使用寿命。

    Due to the slow reaction of curing, the strength, hardness and wear resistance of the film will decrease, and the problem of floor detachment will appear more simply, which will seriously affect the service life of epoxy floor.

    冬天低温环境下,涂料固化速度变慢,状况变粘稠,施工难度加大,涂料本身质量下降。但虽然冬天环氧地坪漆施工难度大,质量难确保,假定工程确实需求在冬天或低温环境下施工,则可参看如下方法:

    Under the low temperature environment in winter, the curing speed of the coating becomes slower, the condition becomes viscous, the construction difficulty increases, and the quality of the coating itself decreases. But although the construction of epoxy floor paint in winter is very difficult and the quality is difficult to ensure, if the project really needs to be constructed in winter or low temperature environment, you can refer to the following methods:

    1、离隔低温时段

    1. Low Temperature Interval

    环氧地坪漆施工时,尽量离隔低温时段,上午10点后再开始施工,下午3点间断施工,减少低温的影响。

    During the construction of epoxy floor paint, the construction should be separated from the low temperature period as far as possible, start after 10 a.m. and discontinue at 3 p.m. to reduce the impact of low temperature.

    2、添加室温

    2. Adding room temperature

    添加室内温度,把温度提高到5度以上,这样也能够在冬天施工。北方许多厂房有供暖气,可在施工前和施工中打开暖气供应。

    Add indoor temperature, raise the temperature to more than 5 degrees, so it can also be constructed in winter. Many factories in the north have heating, which can be turned on before and during construction.

    3、添加溶剂

    3. Adding Solvents

    可添加小于5%的蒸腾速率较快的溶剂,如丙酮、醋酸乙酯、醋酸丁酯等。这样能够处理地坪漆在低温下黏度大,缺少流平性的问题。

    Solvents with faster transpiration rate less than 5% can be added, such as acetone, ethyl acetate, butyl acetate, etc. This can deal with the problem of high viscosity and lack of leveling of floor paint at low temperature.

    4、涂料加热

    4. Coating heating

    将涂料放置在温暖的环境,或用蒸汽、热水进行加热。但要留神不要让蒸汽或热水进入涂料内,并且热水温度控制在38度以下。在这样的条件下才能有更好的效果。



    标签:   环氧地坪 地坪 环氧地坪漆 环氧地坪施工 地坪施工
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