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    环氧地坪施工后出现气泡的原因及解决方法

    2018-10-24 07:08:57 无锡盛发地坪科技有限公司 阅读

    早期的环氧地坪具有高强度、耐磨损、美观装饰性的效果、耐药品性佳、防腐、防水、防尘、保养方便,维护费用低廉等优点。随着国内环氧地坪市场的成熟,现已在工程装潢中得以广泛应用。有时候我们在施工后,会发现环氧地坪面产生气泡,这个原因是多方面的。我们就气泡产因的因素来作个了解。

    The early epoxy floor has the advantages of high strength, wear resistance, beautiful decorative effect, good resistance to antisepsis, waterproof, dust proof, convenient maintenance and low maintenance cost. With the maturity of the domestic floor market, it has been widely applied in engineering decoration. Sometimes we find bubbles on the epoxy floor after construction. There are many reasons for this. We have an understanding of the causes of bubbles.

    环氧地坪起气泡多发生在表面层,且一般在施工后不久就发现,有的上午批刮完的环氧地坪下午就有气泡。气泡个头不大,但最终给人会形成颗粒状,地面就不光滑。起气泡的原因,是大家关心的一个问题,剖开气泡发现,泡内都含有水分或炎黄色液体,环氧地面层与基层脱离,粘在基层上的胶结料被拉成峰窝状;按照“物理学”解释,在盛有液体的密闭容器内,液体蒸发,形成饱和状态的三条曲线的温度与压力关系。在密闭的容器内,含有饱和水蒸汽的压力,是随着温度的升高而上升,当温度为20.C时,鼓包内的压力为0.01MPa;而当温度为70~80.C之间是直线上升到0.1MPa;很多地区在炎热的夏季地面的极端辐射热可达70.C左右,在这样的高温下,环氧胶结料已经软化粘力大大降低,因此就形同向轮胎内渐渐鼓气一样,使环氧地面层中鼓起了大包,将胶结料被拉成蜂窝状;其中没有起水泡的部分环氧层和地面部分沾不牢固,仔细观测接触部分,也会发现有无法固化的部分,原因是环氧有潮气不能固化。

    Epoxy floor bubbles occur mostly in the surface layer, and generally found shortly after construction, some of the morning batch scraped epoxy floor in the afternoon there are bubbles. The bubble is small, but it will eventually form a granular shape, and the ground will not be smooth. The cause of the bubbles is a matter of concern to all. Opening the bubbles, it is found that the bubbles contain water or yellowish liquid, the epoxy surface layer is separated from the base layer, and the binder adhering to the base layer is pulled into a peak-like nest; according to the "physics" explanation, in an airtight container containing liquid, the liquid evaporates, forming a saturated state. The relationship between the temperature and pressure of the three curves. In sealed vessels, the pressure of saturated vapor rises with the increase of temperature. When the temperature is 20.C, the pressure in the bulge is 0.01 MPa; when the temperature is between 70 and 80.C, it rises to 0.1 MPa in a straight line; in many areas, the extreme radiant heat of the ground in hot summer can reach about 70.C, at such high temperatures. The epoxy binder has been softened and its adhesion has been greatly reduced, so as to gradually inflate the tire, the epoxy floor has been bulged up and the binder has been pulled into a honeycomb shape; the epoxy layer and the ground without blisters are not firmly stained, and the contact part can be observed carefully, and there are parts that can not be cured. The reason is that epoxy is damp and can not solidify.

    那么水分从何处来的呢?主要有以下几个水的来源:

    Where did the water come from? There are mainly several sources of water:

    1.基层防水层未做或防水层施工未达标,基层的地下渗透的潮湿气体。

    1. the basic waterproof layer is not done or the waterproof layer is not up to standard.

    2. 水泥砂浆找平层,最大含水率超过10%,基层的最大含水量大于找平层。

    2. the cement mortar leveling layer has a maximum moisture content of more than 10%. The maximum moisture content of the base layer is greater than that of the leveling layer.

    3.环氧和基层施工时结合不好留下空隙和环氧本身的化学活性,没有完全固化或者是遇到潮湿气没有完全固化的残留物或气体。

    3. The combination of epoxy and base course construction is not good enough to leave voids and the chemical activity of epoxy itself, not completely cured or encounter moisture not completely cured residue or gas. 


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