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在笼状季戊四醇磷酸酯的基础上，合成了改性笼状季戊四醇磷酸酯（BPA）阻燃剂。通过膨胀型阻燃剂三聚氰胺聚磷酸（MPP）和改性笼状季戊四醇磷酸酯（BPA）复配构建了具有P-N协同高效阻燃体系的阻燃天然橡胶（NR），采用热重和燃烧量热分析了不同配比的BPA-MPP/NR复合材料的热分解和燃烧特性，进一步通过SEM观察残炭的微观结构。20%BPA-10%MPP/NR复合材料的综合阻燃性能表现最佳。在此基础上，研究BPA与MPP对NR的协同阻燃机制，为阻燃剂高效复配构建协同阻燃体系提供新思路，并为开发低火灾危险的阻燃天然橡胶材料提供新方法，有望促进天然橡胶产业向更加生态环保的体系绿色发展。
Abstract：Modified caged pentaerythritol phosphate(BPA)flame retardants are synthesized on the basis of caged pentaerythritol phosphate. The flame retardant natural rubber(NR) with P-N synergistic and efficient flame retardant system is constructed by compounding the intumescent flame retardant melamine polyphosphate(MPP)and modified caged pentaerythritol phosphate(BPA), and the thermal degradation and combustion characteristics of different ratios of BPA-MPP/NR composites are analyzed by thermogravimetric and combustion calorimetric analyses, and the microstructures of residual carbon are further observed by SEM. On this basis, the synergistic flame retardant mechanism of BPA and MPP on NR is investigated. The comprehensive flame retardant performance of 20%BPA-10%MPP/NR composite material is the best. This study provides a new idea for the efficient compounding of flame retardants to build a synergistic flame retardant system, and provides a new method for the development of flame retardant natural rubber materials with low fire hazards, and it is expected to promote the green development of the natural rubber industry towards a more ecological and environmentally friendly system.
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基本信息:
DOI：
中图分类号:TQ332;TB332
引用信息:
[1]陈林,蔡雨,谢于辉等.改性笼状磷酸酯阻燃剂协效三聚氰胺聚磷酸盐对复合天然橡胶阻燃性能的影响研究[J].生态产业科学与磷氟工程,2025,40(06):8-15+114.
基金信息:
云南省重点研发计划（202403AA080003）