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    行業(yè)動態(tài)

    防火板出現(xiàn)鼓泡的原因有哪些?

    來源:http://www.kcrft.cn/ 日期:2022-01-26 發(fā)布人:admin
    市場上的防火板比較薄、致密性好,粘貼后膠水中未揮發(fā)完的溶劑繼續(xù)揮發(fā),并在貼合層區(qū)域局部積累。當(dāng)累積的壓力達(dá)到一定的程度后將防火板頂起,造成局部起泡的現(xiàn)象(又稱鼓泡)。防火板出現(xiàn)鼓泡的原因是什么呢?要如何去解決呢?下面北京富美家防火板公司小編就來簡單的介紹一下吧。
    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施工時膠膜未干就把面板、底板進(jìn)行貼合,致使膠膜粘接力低,板中間的溶劑無法揮發(fā)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粘貼過程中板材間空氣沒有排除干凈;
    ② The air between the plates was not completely removed during the pasting process;
    ③涂膠時厚薄不均或缺膠,導(dǎo)致粘合面無膠或少膠,影響粘力。而少量未揮發(fā)盡的溶劑在揮發(fā)過程中聚集造成局部張力大于粘接力;行程小溶劑揮發(fā)速度不一致,造成厚的地方溶劑揮發(fā)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潮濕天氣施工晾膠時間不夠也容易出現(xiàn)起泡現(xiàn)象。
    ④ Foaming is also easy to occur due to insufficient glue drying time in wet weather construction.
    預(yù)防、解決辦法
    Prevention, solution
    ①延長晾膠時間,使膠膜中溶劑揮發(fā)完全;
    ① Extend the glue drying time to make the solvent in the glue film volatilize completely;
    ②粘貼時盡量往一邊或從中間往四周滾壓排出空氣;
    ② When pasting, try to roll to one side or from the middle to all sides to exhaust air;
    ③刮膠時盡量厚薄均勻,不出現(xiàn)缺膠;
    ③ When scraping, the thickness shall be as uniform as possible, and there shall be no lack of glue;
    ④可在底板上鉆出若干氣孔,增加透氣性;
    ④ Several air holes can be drilled on the bottom plate to increase air permeability;
    ⑤采用加熱的方式對膠膜加熱,提高溫度。
    ⑤ The adhesive film is heated by heating to increase the temperature.

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