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當前位置 -> 首頁新聞資訊為什么清洗無錫環氧地坪漆表面油污一定要用堿液 發布時間:(2019/6/2)

為什么清洗無錫環氧地坪漆表面油污一定要用堿液

標簽:混凝土密封固化劑 | 混凝土密封固化劑廠家

使用堿液處理無錫環氧地坪表面的油脂,是利用堿液對油脂的皂化和乳化作用除去油脂的原理。一般使用毛刷、抹布和棉紗等沾取堿液對環氧地坪除油表面進行擦拭清潔。除環氧地坪漆漆膜上油污用堿的必備條件為:能溶解油脂,能形成較高的堿度,具有分散膠狀物質的作用,易水洗干凈,化學穩定性好,耐熱,無毒,腐蝕性小等。常用的材料有:氫氧化鈉、碳酸鈉、硅酸鹽類、磷酸鹽類。

The principle of using alkali to treat the grease on the surface of epoxy floor paint is to remove the grease by saponification and emulsification of the grease. Generally, brushes, rags and cotton yarns are used to clean the degreased surface with alkali solution. The essential conditions for alkali removal from oil contamination on floor paint film are: dissolving grease, forming higher alkalinity, dispersing colloidal substances, easy washing, good chemical stability, heat resistance, non-toxicity, low corrosiveness, etc. Commonly used materials are: sodium hydroxide, sodium carbonate, silicates, phosphates. 

堿液清洗環氧地坪漆漆膜上油污的基步驟是:預除油(若地面上附著的油污過厚時需采用這一步驟)→堿液除油→第一次水洗→第二次水洗→干燥。根據處理對象和油污程度的不同,可采取多種清洗方法,地面使用的主要是擦拭法。除油通常是表面處理的第一道工序,對于有些常年浸泡油脂的地面,有時除油后,仍會有油從下面泛上來,還需再次甚至多次除油。

The basic steps of alkali solution cleaning oil contamination on epoxy floor paint film are: pre-degreasing (if the oil contamination on the surface is too thick, this step should be adopted)alkali solution degreasing_first water washing_second water washing_drying. According to the different treatment objects and the degree of oil pollution, various cleaning methods can be adopted. The main method used on the ground is wiping. Oil removal is usually the first process of surface treatment, for some perennial soaked oily ground, sometimes after oil removal, there will still be oil from below, but also need to be removed again or more times.

地面堿液除油時,用毛刷、抹布和棉紗等蘸取堿液或混合堿性脫脂劑,對帶油表面進行擦拭清潔。此法為手工操作,效率低、勞動條件差,但不需要專門設備、成本低、操作靈活性大。

When removing oil from ground alkali liquor, brush, cloth and cotton yarn are dipped in alkali liquor or or mixed with alkaline degreaser to clean the oily surface. This method is manual operation with low efficiency and poor working conditions, but it does not need special equipment, low cost and great flexibility.


影響堿液清洗環氧地坪漆表面油污效果的因素

The factors affecting the effect of alkali cleaning on the surface of floor paint are as follows:

1、堿液濃度。堿液的濃度高,可以加速皂化反應,使油污與溶液之間的表面張力降低,有利于除油。含有表面活性劑的堿液脫脂比單獨的堿性物脫脂要好,說明堿液脫脂劑的組成和使用方法對除油有很大的影響。

1. Alkali concentration. The high concentration of alkali solution can accelerate saponification reaction, reduce the surface tension between oil stain and solution, and is conducive to degreasing. The alkaline degreasing agent containing surfactant is better than alkaline degreasing agent alone, which indicates that the composition and use of alkaline degreasing agent have great influence on degreasing.

2、除油溫度。溫度升高可以將油污軟化,還有利于浸潤和乳化作用,因此,便可提高除油效率。但是過高的溫度又會消耗能量源和污染空氣。

2. Degreasing temperature. Increasing temperature can soften oil contamination, and is conducive to infiltration and emulsification. Therefore, oil removal efficiency can be improved. But too high a temperature will consume energy sources and pollute the air.

3、機械作用。機械作用可使被涂物表面與除油液不斷更新,加速油脂的皂化和乳化進程。

3. Mechanical action. The mechanical action can make the surface of the coating and degreasing liquid renew continuously, and accelerate the saponification and emulsification process of the grease.

4、水洗質量。基面再經過堿液清洗除油后,表面勢必殘留堿性清洗劑,他們地坪漆涂層都是有害的。清洗劑中的堿類、鹽類吸潮后,是引起涂層附著力下降和起泡的主要原因之一。

4. Washing quality. After the base surface is cleaned and degreased by alkali liquor, alkaline detergent is bound to remain on the surface, and their floor paint coatings are harmful. The alkali and salt in the cleaning agent absorbed moisture, which was one of the main reasons for the decrease of adhesion and foaming of the coating.

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來源:無錫環氧地坪公司  瀏覽次數:1071
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