一种生物基离子液体修饰型磷系阻燃母粒的制备方法及应用
王莎 , 代莉 , 谢君瑶 , 杨佳睿 , 王乙婷 , 马祥伟
现代化工 ›› 2026, Vol. 46 ›› Issue (S2) : 271 -274.
一种生物基离子液体修饰型磷系阻燃母粒的制备方法及应用
Preparation method and application of a bio-based ionic liquid-modified phosphorus flame-retardant masterbatch
针对高填充量下焦磷酸哌嗪(PAPP)基阻燃母粒加工性能差及分散性不佳的问题,合成了一种含磷氮结构的生物基离子液体,用于PAPP/三聚氰胺聚磷酸盐(MPP)复配体系的界面修饰,通过熔融共混制备了阻燃剂质量分数高达85%的阻燃母粒。该离子液体通过氢键与离子键的协同作用包覆于阻燃剂颗粒表面,显著改善了其与聚丙烯(PP)基体的界面相容性。当阻燃剂添加量为20%时,改性PP的阻燃性能与力学性能均得到显著提升。该策略为高填充阻燃母粒加工性能与分散性的矛盾提供了有效解决方案,对高性能阻燃聚丙烯材料的发展具有重要应用价值。
To address the issues of poor processing performance and dispersion of piperazine pyrophosphate (PAPP)-based flame-retardant masterbatches at high filler loadings,a bio-based ionic liquid containing phosphorus-nitrogen structures was synthesized for interfacial modification of PAPP/melamine polyphosphate (MPP) composite systems.Flame retardant masterbatches with a flame retardant content of up to 85 wt% were prepared via melt blending.The ionic liquid coats the surface of the flame-retardant particles through the synergistic action of hydrogen and ionic bonds,significantly improving their interfacial compatibility with the polypropylene (PP) matrix.When the flame-retardant content is 20 wt%,both the flame retardant performance and mechanical properties of the modified PP are significantly enhanced.This strategy provides an effective solution to the contradiction between processing performance and dispersion of highly filled flame-retardant masterbatches and has important application value for the development of high-performance flame-retardant polypropylene materials.
生物基离子液体 / 焦磷酸哌嗪 / 三聚氰胺聚磷酸盐 / 阻燃母粒 / 界面修饰
bio-based ionic liquids / piperazine pyrophosphate / melamine polyphosphate / flame-retardant masterbatch / interface modification
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四川省科技计划项目(2024ZHYS0022)
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