安全与环境工程2025，Vol.32Issue(3)：129-135,151,8.DOI:10.13578/j.cnki.issn.1671-1556.20240572
环保型阻燃涂层对聚氨酯泡沫火灾安全性的影响研究
Effect of environmentally friendly flame retardant coatings on fire safety properties of polyurethane foams
摘要
Abstract
In order to solve the key problems of polyurethane foam,which is extremely flammable and prone to release a large amount of heat and smoke after ignition,an efficient and environmentally friendly flame-retardant coating is designed and constructed for the reduction of fire hazards of flexible polyurethane foam(FPUF).Considering the flame retardancy and the safety of the selected materials,an environmentally friendly coating is deposited alternately on the surface of FPUF using carbon black,chitosan,and phytic acid as original materials,which provides FPUF with favorable flame retardant properties by layer-by-layer self-assembly technique(LBL).The modified foams show a remarkable fire safety owing to the combined effect of the flame retardant coating in the condensed and gas phases.Compared with the foam without coating modification(FPUF-0BL),the weight of the foam(FPUF-6BL)with six layers of flame retardant coating increases by 45.6%.Meanwhile,the intact char structure is maintained,and the amount of residual carbon increases by 20.76%.The peak heat release rate,peak smoke release rate and total smoke generation of FPUF-6BL are reduced by 44.5%,43.4%and 65.3%,respectively.The layer-by-layer self-assembly flame retardant coating designed in this work provides an effective solution to minimize the fire hazards of polyurethane foams and guarantees the safety of foam applications.关键词
软质聚氨酯泡沫(FPUF)/层层自组装(LBL)/阻燃涂层/火灾安全性Key words
flexible polyurethane foam(FPUF)/layer-by-layer assembly(LBL)/flame retardant coating/fire safety分类
资源环境引用本文复制引用
李春雨,卢新,周克清..环保型阻燃涂层对聚氨酯泡沫火灾安全性的影响研究[J].安全与环境工程,2025,32(3):129-135,151,8.基金项目
国家自然科学基金项目(22005277) （22005277）
湖北省自然科学基金项目(2024AFB662) （2024AFB662）
中央高校基本科研业务费专项资金项目(2024XLA93) （2024XLA93）
