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如何保持鋼結構建筑物的墻面不褪色?

來源:http://www.ebassfish.com/ 日期:2020-03-06 發布人:admin
  暴露在自然環境中,鋼結構建筑長期持續風力、陽光、燈光、雨的影響,不久,墻面出現褪色,油漆剝落,灰塵等現象,隨著時間的推移和溫度變化,塵埃牢牢地貼附在墻上,灰塵堆積,導致整個建筑看起來又臟又舊。
  Exposed to the natural environment, the steel structure building has been affected by wind, sunshine, light and rain for a long time. Soon, the wall surface appears discoloration, paint peeling, dust and other phenomena. With the passage of time and temperature change, the dust is firmly attached to the wall, and the dust accumulates, resulting in the whole building looks dirty and old.
  與這些現象直接相關的是建筑外墻材料,即彩涂鋼板的涂裝體系。影響涂料體系性能的主要因素有:樹脂、顏料、底漆、熱反射。
  What is directly related to these phenomena is the coating system of building exterior wall materials, i.e. color coated steel plate. The main factors that affect the performance of coating system are resin, pigment, primer and heat reflection.
  有些有機顏料耐光性能差,不耐堿性強,在陽光、化學物質、空氣污染等影響下,顏料會發生質變,有些顏料粉末會引起漆膜褪色。
  Some organic pigments have poor light resistance and strong alkali resistance. Under the influence of sunlight, chemicals and air pollution, the pigments will undergo qualitative change, and some pigment powders will cause the paint film to fade.
  一般彩鋼板表面的油漆粉末主要是成膜樹脂的老化降解,樹脂和顏料在顆粒狀態下從表面析出的現象。樹脂的耐候性是決定漆粉質量的關鍵因素。粉化會導致彩鋼板表面出現白色粉末,造成褪色、光澤度,從而影響建筑外觀。
  Generally, the paint powder on the surface of color steel plate is mainly the aging degradation of film-forming resin, and the phenomenon that resin and pigment are separated from the surface in particle state. The weather resistance of resin is the key factor to determine the quality of paint powder. Powdering will cause white powder on the surface of color steel plate, which will cause fading and glossiness, thus affecting the appearance of the building.
濟南彩鋼板
  漆膜脫落是由于涂料樹脂長期在室外使用而引起的老化現象。造成漆膜脫落的主要原因有:長期的紫外線照射、基材表面預處理的地址、油漆配方粗糙或涂面漆與底漆搭配不當。
  The falling off of paint film is the aging phenomenon caused by the long-term outdoor use of paint resin. The main causes of paint film falling off are: long-term ultraviolet radiation, the location of substrate surface pretreatment, rough paint formula or improper matching of finish coat and primer.
  綜上所述,涂層系統必須選用優質的原材料,這對于避免或減少薄膜的變色和褪色是非常重要的。
  To sum up, the coating system must select high-quality raw materials, which is very important to avoid or reduce the discoloration and fading of the film.
此文關鍵詞: 濟南彩鋼板  

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