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当前位置:首页 > 行业资料 > 冶金工业 > 阴非离子分散剂协同作用对分散染料分散稳定性能的影响
摘要I摘要超细分散染料是涤纶织物喷墨印花分散墨水的主要组分,其品质决定了喷墨印花墨水的稳定性和喷射性.商品化的分散染料颗粒较大,分布较粗,应用时需要对其进行超细化加工.分散剂是影响超细分散染料分散稳定性能的主要材料,单一分散剂分散效率低,稳定性较差,造成生产成本增高.本文采用阴/非离子分散剂复配,通过研磨分散法制备了超细分散染料红60,研究了阴/非离子分散剂的协同作用下对分散染料分散和稳定性能的影响,优化了超细分散染料的制备工艺.在优化工艺条件的基础上,重点研究了超细分散染料粒径及其分布、Zeta电位、分布形态等性能,探讨了协同作用对其分散速度、稳定性和吸附量的影响.研究结果表明,采用单一分散剂木质素磺酸钠制备超细分散染料的粒径为230nm,而采用木质素磺酸钠与TMN-6复配的分散剂,在相同条件下制备超细分散染料的粒径为174nm.性能对比发现,采用阴/非离子分散剂复配制备的超细分散染料对温度的稳定性较单一分散剂木质素磺酸钠分散剂提高了6%,离心稳定性提高了4%,复配后制备的超细分散染料的粒径分布更加均匀.进一步优化超细分散染料的制备工艺为分散剂含量80%,研磨时间3h,染料固含量15%.关键词:阴/非离子分散剂;分散染料;协同作用;分散稳定AbstractIIABSTRACTUltra-finedispersedyeisamajorcomponentofink-jetprintinginksforpolyesterfabrics.Itsqualitydeterminesthestabilityandtheink-jettingperformanceofink-jetprintinginks.Becausecommercialdispersedyesparticlesislarger,andthedistributioniscoarser,soneedtherefinementprocessingwhentheinksareformulated.Dispersantisthekeyfactorthataffectdispersionstabilityofultra-finedispersedye,thedispersionefficiencyislowwhenuseonedispersant,andthestabilityispoor,whichisunfavorableforenergysavingandemissionreductionofdevelopmentneedsofsociety.Thepaperusethemixtureofanionicdispersantandnon-ionicdispersant,ultra-finedispersedyered60ispreparedbymillingmethod,andtheninvestigatedtheinfluenceofdispersionstabilityofdispersedyeonsynergisticeffectofthemixtureofanionic-nonionicdispersant,optimizedthepreparationmethodsofultra-finedispersedyeofdosageofanionic-nonionicdispersant,dyesolidcontentandmillingtime.Onthebasisofoptimumtechnologyconditions,andstudiedtheperformanceofultra-finedispersedyeonparticalsizeandparticlesizedistribution,Zetapotential,distributionandpresentforms,theinfluenceofsynergisticeffectondispersionspeed,stabilityandabsorptioncapacityisdiscussed.Theresultsshowedthattheparticlesizeofdispersedyereducedto174nmundertheconditionthatthemixtureofsodiumligninsulfonateandTMN-6,millingin2hours,whereasonlyusesodiumligninsulfonateasdispersantinsameconditions,theparticlesizewasonlyabout230nm.Theperformancecomparisonsshowedthatusethemixtureofanionic-nonionicdispersantthermalstabilityincreasedby6%andcentrifugalstabilityincreasedby4%,andthedistributionofparticlesizeismoreevenlyaftercompounded.Furtheroptimizationpreparationtechniqueforthepreparationofultra-finedispersedye:theamountofdispersantis80%,millingtimeis3hours,dyesolidcontentis80%.Keywords:Anionic/non-ionicdispersant;dispersedye;synergy;dispersionstability目录i目录第1章绪论......................................................11.1引言..................................................................11.2分散染料超细化国内外研究现状..........................................11.3影响分散染料超细化的因素..............................................21.3.1分散剂结构..................................................................21.3.2分散设备....................................................................21.3.3分散方法....................................................................31.4本课题研究思路、研究目的和意义........................................31.4.1研究思路....................................................................31.4.2研究目的及意义..............................................................4第2章实验理论..................................................52.1颗粒的分散过程........................................................52.1.1颗粒的润湿..................................................................52.1.2颗粒的破碎..................................................................52.1.3颗粒的稳定..................................................................72.2颗粒的分散稳定机理....................................................72.2.1DLVO理论....................................................................72.2.2空间稳定理论................................................................92.2.3空间空缺理论...............................................................10第3章实验方法.................................................113.1实验材料及设备.......................................................113.1.1实验材料...................................................................113.1.2实验设备...................................................................123.1.3研磨介质...................................................................123.2超细分散染料的制备...................................................123.3超细分散染料对涤纶织物的染色.........................................123.4稳定性...............................................................133.4.1对温度的稳定性.............................................................133.4.2离心稳定性.................................................................133.4.3对酸碱稳定性...............................................................133.4.4对电解质稳定性.............................................................133.5TEM..................................................................13目录ii3.6粒径及粒度分布........................................................133.7分散体流变性能........................................................143.8吸附量................................................................143.9颜色性能..............................................................143.10上染率...............................................................143.11
本文标题:阴非离子分散剂协同作用对分散染料分散稳定性能的影响
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