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| 磷酸钾镁胶结剂基钢结构防火涂料研究进展 |
| Research Progress of Potassium Magnesium Phosphate Binder-based Fireproof Coatings for Steel Structures |
| 投稿时间：2020-04-04 |
| DOI：10.16018/j.cnki.cn32-1650/n.202003001 |
| 中文关键词: 钢结构 防火涂料 磷酸钾镁胶结剂 |
| 英文关键词: steel structure fire retardant coating magnesium potassium phosphate cementing agent |
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| 中文摘要: |
| 近年来，随着建筑行业的快速发展，钢结构在各类建筑中得到广泛应用。钢结构具有强度高、施工速度快、抗震等优点，但也存在耐热不耐火的缺陷，遇到火灾时其强度会迅速下降，在钢结构表面涂覆防火涂料是解决这一问题最高效、最经济的措施之一。针对现有钢结构防火涂料在凝结硬化时间、环境保护以及黏结性能等方面的不足，着重介绍了以磷酸钾镁水泥作为胶结剂的新型无机非膨胀型防火涂料的研究现状、防火机理及其发展前景。 |
| 英文摘要: |
| In recent years, with the rapid development of the construction industry, steel structure has been widely used in all kinds of buildings. Steel structure has the characteristics of high strength, fast construction speed, earthquake resistance, heat-resistant but not fire-resistant, and its strength drops rapidly in case of fire. Fireproof coating on the surface of steel structure is proved to be one of the most efficient and economical measures. In view of the problems of setting and hardening time, environmental protection and insufficient bonding performance of the existing fire-resistant coating for steel structure, it emphatically introduces a new type of inorganic non-expansive fire-resistant coating with potassium magnesium phosphate cement as binder and its fire protection mechanism. |
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