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The influence of ceramic additives on intumescence and thermal activity of epoxy coatings for steel

机译:陶瓷添加剂对钢环氧涂料胎效的影响

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The article presents results of the research on the influence of graphite/kaolin and graphite/titanium oxide systems on thermal properties, intumescence degree and the integrity of the structure of intumescent protective films based on epoxy resins for steel. The TG/DTG/DSC analysis showed that graphite/kaolin system shifted the decomposition reaction of epoxy resin towards higher temperatures, even by about 30 degrees C. Fire endurance tests and the SEM analysis confirmed these results because more thermally resistant (T(500 degrees C)reached after 37.5 min for 1.1 coating thickness), swollen (about 20 times) and homogeneous coatings were obtained. The presented results suggest that ceramic fire retardants can successfully cooperate with organic components in intumescent protective coatings for steel elements.
机译:本文介绍了石墨/高岭土和石墨/氧化钛体系对膨胀型环氧树脂钢保护膜热性能、膨胀度和结构完整性影响的研究结果。TG/DTG/DSC分析表明,石墨/高岭土体系使环氧树脂的分解反应向更高的温度移动,甚至移动了约30℃。耐火试验和SEM分析证实了这些结果,因为获得了更高的耐热性(对于1.1涂层厚度,37.5分钟后达到T(500℃)),膨胀(约20倍)和均匀的涂层。研究结果表明,陶瓷阻燃剂可以成功地与膨胀型钢构件保护涂层中的有机成分协同作用。

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