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    防火板出现鼓泡的原因有哪些?

    来源:/ 日期:2022-01-26 发布人:admin
    市场上的防火板比较薄、致密性好,粘贴后胶水中未挥发完的溶剂继续挥发,并在贴合层区域局部积累。当累积的压力达到一定的程度后将防火板顶起,造成局部起泡的现象(又称鼓泡)。防火板出现鼓泡的原因是什么呢?要如何去解决呢?下面北京乐动体育app买球公司小编就来简单的介绍一下吧。
    The fireproof board on the market is relatively thin and has good compactness. After pasting, the solvent in the glue that has not volatilized continues to volatilize and accumulates locally in the bonding layer area. When the accumulated pressure reaches a certain degree, the fireproof board will be jacked up, resulting in local foaming (also known as bubbling). What is the reason for the bubbling of the fireproof board? How to solve it? Let's give a brief introduction to the small editor of Beijing fumeijia fireproof board company.
    原因分析
    Cause analysis
    ①施工时胶膜未干就把面板、底板进行贴合,致使胶膜粘接力低,板中间的溶剂无法挥发造成面板起泡;
    ① During construction, the panel and bottom plate are bonded before the adhesive film is dry, resulting in low adhesive force of the adhesive film, and the solvent in the middle of the plate cannot volatilize, resulting in blistering of the panel;
    ②粘贴过程中板材间空气没有排除干净;
    ② The air between the plates was not completely removed during the pasting process;
    ③涂胶时厚薄不均或缺胶,导致粘合面无胶或少胶,影响粘力。而少量未挥发尽的溶剂在挥发过程中聚集造成局部张力大于粘接力;行程小溶剂挥发速度不一致,造成厚的地方溶剂挥发不完全;
    ③ Uneven thickness or lack of glue during gluing, resulting in no glue or less glue on the bonding surface, affecting the adhesion. However, a small amount of non volatilized solvents gather in the volatilization process, resulting in local tension greater than adhesive force; Small stroke, inconsistent solvent volatilization speed, resulting in incomplete solvent volatilization in thick places;
    ④潮湿天气施工晾胶时间不够也容易出现起泡现象。
    ④ Foaming is also easy to occur due to insufficient glue drying time in wet weather construction.
    预防、解决办法
    Prevention, solution
    ①延长晾胶时间,使胶膜中溶剂挥发完全;
    ① Extend the glue drying time to make the solvent in the glue film volatilize completely;
    ②粘贴时尽量往一边或从中间往四周滚压排出空气;
    ② When pasting, try to roll to one side or from the middle to all sides to exhaust air;
    ③刮胶时尽量厚薄均匀,不出现缺胶;
    ③ When scraping, the thickness shall be as uniform as possible, and there shall be no lack of glue;
    ④可在底板上钻出若干气孔,增加透气性;
    ④ Several air holes can be drilled on the bottom plate to increase air permeability;
    ⑤采用加热的方式对胶膜加热,提高温度。
    ⑤ The adhesive film is heated by heating to increase the temperature.
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