The influence of ceramic additives on intumescence and thermal activity of epoxy coatings for steel,Journal of Applied Polymer Science

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The influence of ceramic additives on intumescence and thermal activity of epoxy coatings for steel
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2020-09-16 , DOI: 10.1002/app.49914
Joanna Mastalska‐Popławska ₁ , Kornelia Kadac ₂ , Piotr Izak ₁ , Marcin Gierej ₂ , Agata Stempkowska ₃ , Zuzanna Góral ₁

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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°C. Fire endurance tests and the SEM analysis confirmed these results because more thermally resistant (T_500°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.

中文翻译：

陶瓷添加剂对钢用环氧涂料膨胀和热活性的影响

本文介绍了有关石墨/高岭土和石墨/二氧化钛体系对钢用环氧树脂膨胀型保护膜的热性能，膨胀度和结构完整性的影响的研究结果。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，甚至升高了约30°C。耐火性测试和SEM分析证实了这些结果，因为获得了更高的耐热性（在37.5分钟后达到1.1涂层厚度，达到T _500°C），溶胀（约20倍）和均匀涂层。提出的结果表明，陶瓷阻燃剂可以与钢质构件膨胀保护涂层中的有机组分成功配合。

更新日期：2020-11-25

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