DSD酸-三嗪-四辛基双季铵盐荧光增白剂的合成及性能印染(2023No.2)DSD酸-三嗪-四辛基双季铵盐荧光增白剂的合成及性能万茂生1,2,南晶敏1,万沛涵3,画莉2,欧梦1()1.桂林电子科技大学材料科学与工程学院,广西桂林541004;2.贺州学院材料与化学工程学院,广西贺州542899;3.中国海洋大学材料科学与工程学院,山东青岛266100摘要:以4,4′-二氨基二苯乙烯-2,2′-二磺酸、2,4,6-三氯-1,3,5-三嗪、二辛基甲基叔胺、4-氨基苯甲酸为原料,经过连续缩合反应制备出一种结构新颖的DSD酸-三嗪-四辛基双季铵盐荧光增白剂。采用傅里叶变换红外光谱(FT-IR)和核磁共振氢谱(1HNMR)对目标化合物进行结构表征,并对荧光性能、增白效果、色度指数、表面活性和表面整理作用进行了测试。结果表明:DSD酸-三嗪-四辛基双季铵盐荧光增白剂具有较强的荧光发射性能;对滤纸进行染色增白处理后,白度值由84.58增加至124.81,且滤纸外观更加光滑平整;目标化合物具有表面活性作用,使水溶液的临界胶束浓度为7.68×10-3mol/L,表面张力为30.81mN/m。关键词:荧光增白剂;合成;性能;DSD酸-三嗪-四辛基双季铵盐中图分类号:TS192.24文献标志码:B文章编号:1000-4017(2023)02-0055-04SynthesisandpropertiesofDSDacid-triazine-tetra-octylbis-quaternaryammoniumsaltfluorescentwhiteningagentWANMaosheng1,2,NANJingmin1,WANPeihan3,HUALi2,OUMeng1()1.SchoolofMaterialsScienceandEngineering,GuilinUniversityofElectronicTechnology,Guilin541004,China;2.CollegeofMaterialsandChemicalEngineering,HezhouUniversity,Hezhou542899,China;3.SchoolofMaterialsScienceandEngineering,OceanUniversityofChina,Qingdao266100,ChinaAbstract:With4,4′-diaminostilbene-2,2′-disulfonicacid,2,4,6-trichloro-1,3,5-triazine,dioctylmethyltertiaryamineand4-aminobenzoicacidasrawmaterials,anovelDSDacid-triazine-tetra-octylbis-quaternaryammoniumsaltfluorescentwhiteningagentispreparedthroughconsecutivecondensationreaction.Thestructureofthepurifiedtargetcompoundischar⁃acterizedbyFT-IRand1HNMR,andthefluorescenceproperty,whiteningeffect,chromaticityindex,surfaceactivityandsur⁃facefinishingaretested.TheresultsshowthattheDSDacid-triazine-tetra-octylbis-quaternaryammoniumsaltfluorescentwhiteningagenthasstrongfluorescenceemissionperfo...