低溫下環(huán)氧地坪的施工減慢涂料反應(yīng)解決方法
環(huán)氧地坪最佳的施工環(huán)境是怎么樣的呢?一般來說,很多人都認(rèn)為無性系環(huán)氧地坪不管在什么時候施工都是最好的,但是據(jù)小編的了解,無錫環(huán)氧地坪涂料的最佳施工環(huán)境是濕度小于75%,溫度10-35℃,一般來說5℃以上也可以施工,低于5℃,無錫環(huán)氧地坪涂料的實際效果就比較難保證。如果在低溫的環(huán)境下,無錫環(huán)氧地坪涂料的施工為什么就很難了呢?
What is the best construction environment for epoxy floor? Generally speaking, many people think that clone epoxy floor coatings are the best construction at any time, but according to Xiaobian's understanding, the best construction environment of Wuxi epoxy floor coatings is humidity less than 75%, temperature 10-35 C. Generally speaking, it can be constructed above 5 C, below 5 C. The actual effect of Wuxi epoxy floor coatings is difficult to guarantee. If in low temperature environment, why is the construction of Wuxi epoxy floor coating difficult? 環(huán)氧環(huán)氧地坪原因如下:
The reasons for epoxy flooring are as follows:
1、減慢涂料反應(yīng)。
1. Slow down the reaction of paint.
溫度低于5℃,反應(yīng)將會降低或者減緩,這會嚴(yán)重影響環(huán)氧地坪涂料的固化性能。而固化性能的降低,將導(dǎo)致涂膜表層干的很慢,會增加涂膜被灰塵,雜物,或者昆蟲污染的可能。
When the temperature is lower than 5 C, the reaction will be reduced or slowed down, which will seriously affect the curing performance of floor coatings. The decrease of curing performance will result in the slow drying of the coating surface, which will increase the possibility of dust, debris, or insect contamination.
2、黏度成倍增長。
2. Viscosity doubles.
無溶劑的自流平涂料無需刮涂,靠流平性保證地坪的平整度。但是低溫下,地坪涂料的黏度會成倍增加,流平性能降低。而不靠流平性的涂料,刮涂時會因為流動,流平性能變差,出現(xiàn)鏝刀痕等缺陷。
Solvent-free self-leveling coating does not need scratching, and the leveling property ensures the leveling of the floor. However, at low temperature, the viscosity of the floor coating will be doubled and the leveling performance will be reduced. However, without leveling coating, scraping will be due to flow, poor leveling performance, such as trowel marks and other defects.
3、降低涂膜質(zhì)量。
3. Reduce the quality of the film.
由于固化反應(yīng)慢,或者完全不能固化,涂膜的強(qiáng)度、硬度、耐磨性能都會降低,而且容易出現(xiàn)地坪脫離問題,嚴(yán)重影響無錫環(huán)氧地坪的壽命。
The strength, hardness and wear resistance of the coatings will be reduced due to slow curing reaction or no curing at all, and the problem of floor detachment is easy to occur, which seriously affects the life of Wuxi epoxy floor.
解決辦法:
Terms of settlement:
冬季低溫環(huán)境下,涂料固化速度變慢,狀態(tài)變粘稠,施工難度加大,涂料本身質(zhì)量下降。但盡管冬季無錫環(huán)氧地坪漆施工難度大,質(zhì)量難保證,但如果工程確實需要再冬季或低溫環(huán)境下施工,則可參考如下的辦法。
Under the low temperature environment in winter, the curing speed of coatings becomes slower, the state becomes viscous, the construction difficulty increases, and the quality of coatings decreases. However, although the construction of Wuxi epoxy floor paint in winter is difficult and the quality is difficult to guarantee, if the project really needs to be constructed in winter or in low temperature environment, the following methods can be referred to.
1、隔開低溫時段
1. Isolation of Low Temperature Period
無錫環(huán)氧地坪漆施工時,盡量隔開低溫時段,上午10點(diǎn)后再開始施工,下午3點(diǎn)停止施工,減少低溫的影響。
During the construction of Wuxi epoxy floor paint, try to isolate the low temperature period, start construction after 10 a.m. and stop construction at 3 p.m. to reduce the impact of low temperature.
2、增加室溫
2. Increase room temperature
冬季施工建議在室內(nèi)進(jìn)行,室內(nèi)溫度較高增加室內(nèi)溫度,把溫度提高到5度以上,這樣也可以在冬季施工。北方很多廠房有供暖氣,可在施工前和施工中開放暖氣供應(yīng)。
Winter construction is recommended indoors. Higher indoor temperature increases the indoor temperature and raises the temperature to more than 5 degrees. This can also be done in winter. Many factories in North China have heating, which can be opened before and during construction.
3、添加溶劑
3. Adding Solvents
可適量添加揮發(fā)速率較快的溶劑,可添加小于5%的揮發(fā)速率較快的溶劑,如丙酮、醋酸乙酯、醋酸丁酯等。這樣可以解決地坪漆在低溫下黏度大,缺乏流平性的問題。這樣可以解決地坪漆在低溫下黏度大,缺乏流平性的問題。
Solvents with faster volatilization rate can be added in appropriate amount. Solvents with faster volatilization rate less than 5% can be added, such as acetone, ethyl acetate, butyl acetate, etc. This can solve the problem of high viscosity and lack of leveling of floor paint at low temperature. This can solve the problem of high viscosity and lack of leveling of floor paint at low temperature.
4、涂料加熱
4. Coating heating
可將地坪涂料儲存在溫暖的環(huán)境中或用熱水、蒸氣加熱涂料(可能造成涂料質(zhì)量的下降)。當(dāng)溫?zé)嵬苛蠒r,除非采用特別的涂料加熱設(shè)備,其溫度不要超過38℃。涂料閃點(diǎn)低于38℃時,加熱溫度不得超過其閃點(diǎn)注意不要讓蒸汽或熱水進(jìn)入涂料內(nèi)。
Floor coatings can be stored in a warm environment or heated with hot water and steam (which may result in a decline in paint quality). When a thermothermal coating is applied, the temperature shall not exceed 38 C unless a special coating heating device is used. When the flash point of the coating is below 38 C, the heating temperature should not exceed its flash point. Be careful not to let steam or hot water enter the coating.
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