Enhancing fire safety and thermal performance: Wood composites with bio-based phase change materials and fire retardants for building applications

IF 2 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
Jakub Grzybek, Meysam Nazari, Mohamed Jebrane, Nasko Terziev, Alexander Petutschnigg, Thomas Schnabel
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Abstract

This work explores the elaboration of wood particle-based composites incorporating bio-based phase change materials, with epoxidized linseed oil or clay as a binder. Fire performance evaluation of the novel composites includes an assessment to determine the impact of the addition of boric acid as a fire retardant, as well as the incorporation of recycled paper fibres containing boric acid, and the application of trimethoxymethylsilane coating. The study employs thermogravimetric analysis and cone calorimetry under uniform external irradiance, with a T-history method to analyse thermal behaviour. Results indicated that fire retardants do not compromise the energy functionality of bio-based phase change material composites, exhibiting a latent heat of approximately 50 J/g. The density ranges from 750 to 875 kg/m3. The use of clay as a binder improves fire performance, leading to a 60% decrease in total heat release and 52% of the composite mass remaining after analysis. Although enhancing fire performance presents challenges, incorporating wood particles in clay demonstrates a promising potential approach for safe use in building applications, contributing to energy efficiency in indoor heating and cooling. The findings contribute valuable insights into these materials for creating safer and more efficient building solutions, particularly in terms of thermal regulation and fire safety.

Abstract Image

提高防火安全和热性能:使用生物相变材料和阻燃剂的木质复合材料在建筑中的应用
这项研究探讨了如何利用环氧化亚麻籽油或粘土作为粘合剂,在木质颗粒基复合材料中加入生物相变材料。新型复合材料的防火性能评估包括确定添加硼酸作为阻燃剂的影响、含有硼酸的再生纸纤维的加入以及三甲氧基甲基硅烷涂层的应用。研究采用了热重分析法和锥形量热法,在均匀的外部辐照条件下,用 T 历史法分析热行为。结果表明,阻燃剂不会损害生物基相变材料复合材料的能量功能,其潜热约为 50 焦耳/克。密度范围为 750 至 875 kg/m3。使用粘土作为粘合剂可提高防火性能,使总放热量减少 60%,分析后复合材料质量的剩余率为 52%。尽管在提高防火性能方面存在挑战,但在粘土中加入木质颗粒证明了在建筑应用中安全使用的潜在方法,有助于提高室内供暖和制冷的能效。研究结果为这些材料提供了宝贵的见解,有助于创造更安全、更高效的建筑解决方案,特别是在热调节和防火安全方面。
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来源期刊
Fire and Materials
Fire and Materials 工程技术-材料科学:综合
CiteScore
4.60
自引率
5.30%
发文量
72
审稿时长
3 months
期刊介绍: Fire and Materials is an international journal for scientific and technological communications directed at the fire properties of materials and the products into which they are made. This covers all aspects of the polymer field and the end uses where polymers find application; the important developments in the fields of natural products - wood and cellulosics; non-polymeric materials - metals and ceramics; as well as the chemistry and industrial applications of fire retardant chemicals. Contributions will be particularly welcomed on heat release; properties of combustion products - smoke opacity, toxicity and corrosivity; modelling and testing.
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