膨胀型阻燃剂季戊四醇多聚磷酸酯三聚氰胺盐的合成及其对环氧树脂阻燃性影响的研究.pdf

第40卷第3期 2010年3月涂料工业 PAINT&COATINGS INDU铘Y 膨胀型阻燃剂季戊四醇多聚磷酸酯三聚氰胺盐的合成及其对环氧树脂阻燃性影响的研究喻龙宝1,黄竹谋1,康文彬1,施亚玉1,周铭2 (,江苏镇江212013;,江苏常州213016) 摘要:以多聚磷酸为酸源、季戊四醇为炭源、三聚氰胺为气源合成了膨胀型阻燃剂季戊四醇多聚磷酸酯三聚氰胺盐。考察了反应温度、物料配比、时间和溶剂对阻燃剂合成反应的影响。结果发现合成反应的最佳温度为回流温度,最佳反应时间为8 h,最佳物质的量的配比为n(多聚磷酸):n(季戊四醇):n(三聚氰胺)=3:1:(2—3)。用Fr— IR、TG和DSC对阻燃剂进行了表征,并考察了阻燃环氧树脂的热性能。关键词:多聚磷酸;季戊四醇;三聚氰胺;膨胀型;阻燃剂中图分类号:TQ 文献标识码:A 文章编号:0253—4312(2010)03—0014—04 Synthesis ofthePentaerythritol Polyphosphorie Ester Melamine Intumescent Flame Retardant and ItsFlame Retardancy forEpoxy Resin Yukngba01,Huang Zhumoul,Kang Wenbinl,Shi Yayul,Zhou Min92 ( Chemistry and ChemicalEngineering,Jiangsu University。Zhenjiang,Jiangsu 212013,China; OOC Changzhou Paint and CoatingsIndustry Reseamh lnstitate,Changzhou,Jiangsu 213016,China) Abstract:The polyphosphoric ester melamine intumescent flame retardant was synthesized inthepres· ence ofpolyphosphoric acid,pentaerythritol and influence factors on thepreparation ofthe flameretardant,such as reaction position ponents,the reaction time and solvent were experimental resultsshowed thattheoptimal temperature was therefluxing tempera— ture,the optimal reaction timeWas8h,and theoptimal mole ratioofthreematerials Wasn(polyphosphoric acid):n(pentaerythrit01):n(melamine)=3:1:(2—3).The prepared flameretardant Wascharacterized by F