一种新研发的梭甲基纤维素钠(CMC)能够代替海藻酸钠作为棉织 物活性染料的印花糊料本文主要通过实验研究对比两种糊料的物理 性能和化学性能研究表明该种新的梭甲基纤维素钠能代替海藻酸钠 作为印花糊料,大幅度降低生产成本,具有良好的应用前景 为比较新型CMC糊料与传统印花糊料海藻酸钠以及普通CMC糊料 在物理和化学方面的性能差异,本文选取了两种新研制的CMC,一种 普通CMC及海藻酸钠四种糊料,对糊料的各项性能进行了测试其中 的物理性能包括:CMC的取代度!糊料的成糊率!糊料的流变性能! 糊料的印花粘度指数!糊料的抱水性!糊料的耐稀释性!糊料与化学 助剂的相容性及糊料的贮藏稳定性化学性能指标包括:糊料与活性 )染料之间的反应!色糊印花的得色量!渗透性及得色不匀率!轮廓清 晰度!色糊的脱糊率以及印花色牢度 通过实验得知,新型CMC糊料的取代度高达1.7左右,而普通CMC 糊料为0.7;新型CMC糊料的成糊率远高于海藻酸钠和普通CMC,CMC! 海藻酸钠原糊为假塑流型流体;新型CMC原糊的抱水性及耐稀释性与 海藻酸钠相似;CMC原糊的耐贮藏性优于海藻酸钠;活性染料与海藻 酸钠原糊之间不发生反应,与新型的CMC原糊几乎无反应而与普通 CMC原糊之间反应比较明显;新型CMC与海藻酸钠色糊的印花得色量 嗒东华大学硕士报告摘要 好,且得色不匀率低,而普通CMC的印花得色量低,不匀率大,且印 花布皂洗过后有露白;新型CMC糊料与海藻酸钠的脱糊率高于普通 CMC糊料,脱糊性能优良;CMC糊料与海藻酸钠的印花织物色牢度均 能满足实际印花需要 新型CMC与海藻酸钠混合糊料的印花渗透率与PVI值随混合比例 变化呈线性变化;在任意混合比例下,混合糊的抱水性!印花得色量! 得色不匀率!脱糊率及印花织物色牢度均能符合实际印花需要 关键词:梭甲基纤维素钠;海藻酸钠;取代;糊料 芳东华大学硕士报告第一章绪论 RESEARCHONCARBOXYMETHYLCELLULOSE REPLACINGALGINATEASAPASTE ABSTRACT ThenewlydeveloPedsodiumcarboxylllethylcellulose(CMC)canrePlaeesodiumalginateas a如ntingPasteineottonfabricreaetivedye.InthisPaPer,PhysiealandehemiealPropertiesofthe twoPastesarecomParedexPerimentally.ResultsshowthatthenewCMCeanr叩laeesodium alginateasaPrintingPasteineottonfabriereaetivedye,andredueeeostofproduetionwithagood aPPlieationProsPeet. InoulertocomParethePhysiealandchemiealdiffereneesamongthenewCMC, conventionalPrintingPasteandeonunonCMCPaste,twonewlydeveloPedCMC,oneeommon CMCandsodiumalginateareselectedandtestedontermsoftheirProPerties.ThePhysieal PerformanceindexesincludeCMCDS,pastingrate,theologicalpropertiesofPaste,printing viseosityindex,hydrability,dilution,eomPatibilitytochemiealadditivesandstoragestability.And ehemicalPerformanceindexesineludereaetionbetweenPasteandreaetivedye,dyeyieldofeolor PastePrinting,Permeabilit又eolor如eldirre即larit又eontourdefinition,de一pasteratioaswellas eolorfastnessofPrinting. ExPerimenteonelusionsareasfollows.ThesubstitutiondegreeofthenewCMCishighuPto around1.7whereaseornrnonCMCPaste15only0.7.ThePastingrateofnewCMCismuehhigher thanthatofsodiumalginateandeommonCMC.CMCandsodiumalginatearePseudo一lastie fiuid.ThenewCMCPastehasahydrabilityanddilutionsimilartothatofsodiumalginate.Nev- CMChasabetterstoragestabilitythanthatofsodiumalginate.Reaetivedyedoesnotreaetwith sodlulnalginate,andhardlyreaetwithnewCMC,whileitreactsdrasticallywitheommonCMC# NewCMCandsodiumalginatehaveagoodPrintingeoloryieldratewithloweolor外eld irregUlarity.However)theeommonCMChasaloweolor如eldrateandanobviouseolor协eld irre罗larit又besidesthereeanbehungryareaafterwashing.Thede币asteratioofnewCMCand sodiumalginate15fineandhigherthanthatofeommonCMC.AndeolorfastnessofCMCPaste andsodiumalginatecanmeetProductionneeds. TheviseosityandPVIvalueofmixedPasteofnewCMCandsodiumalginatevarylinearly accordingtochangeofthemixingrate.Thehydrability,Printingcolor如eldamount,color外eld irregUI硕t又thede一asteratioandeolorfastnessofPrintingfabrieofthemixedPasteeanwell satisfyProductionneeds,whichhaslittleeonneetionwiththemixingrate. 石东华大学硕士报告第一章绪论 HeBen(TextileEngineering) SuPervisedbyGuoJiansheng KEYWORDS:eMe:sodiumalginate:substitution:paste IV 夕东华大学硕士报告目录 目录 摘要........................................................工 ABSTRACT...................................................11工 目录.........................................................V 第一章绪论..................................................1 1.1引言......................................................1 1.2原糊的作用及要求..........................................1 1.3常用的活性染料印花糊料..................................12 1.4国内外研究现状..........................................15 1.5本课题的研究目的!主要内容及意义........................16 第二章实验准备及实验方法...................................18 2.1实验原料与药品..........................................18 2.2实验仪器设备.............................................18 2.3实验方法................................................18 第三章新型CMC的物理性能与印花性能.........................25 3.1取代度(D5)............................................25 3.2新型CMC的物理性质......................................25 3.3新型CMC的印花性能.........................,......31 3.4本章小结................................................35 第四章新型CMC混合糊料的物理性能与印花性能.................37 4.1新型CMC混合糊料的物理性能..............................37 4.2新型CMC混合糊料的印花性能.............,..........39 4.3本章小结................................................43 第五章结论.................................................44 攻读硕士学位期间发表报告...............!..............45 致谢........................................................46