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1、此文檔收集于網(wǎng)絡(luò)，如有侵權(quán)，請(qǐng)聯(lián)系網(wǎng)站刪除外文翻譯畢業(yè)設(shè)計(jì)題目：紗線噴射染色控制系統(tǒng)設(shè)計(jì)原文1：Deep-colourvatdyeingofcottonknitfabriconmodifiedjetdyeingmachine譯文1：改進(jìn)的噴射染色機(jī)上的深顏色還原染色棉布織物原文2：Analysisofthefactorsinfluencingdyeuptakeonjetdyeingequipment譯文2：噴射染色設(shè)備上影響染料吸收因素的分析此文檔僅供學(xué)習(xí)與交流此文檔收集于網(wǎng)絡(luò)，如有侵權(quán)，請(qǐng)聯(lián)系網(wǎng)站刪除Deep-colourvatdyeingofcottonknit
2、fabriconamodifiedjetdyeingmachineToday,cottonclothesaredyedwithvatdyesinacontinuoussystem,withstepwiseoperationsofreducingthedyetoleucoform,soakingtheclothesinthebathunderanitrogenatmosphere,andthenholdingtheclothesinanairatmosphereforoxidation.Soaping,washing,andapplicationofvariousau
3、xiliaryagentsfollowcontinuouslytofinishtheprocessing.However,cottonknitfabric,whichisnotputintothecontinuoussystembecauseofitsoverstretchingontheconveyor,mustbevatdyedinabatchsystem,whereinhomogeneousreductionandoxidationofthedyedfabricoftenleadtosomedefectsintheproduct.Thisreportdescr
4、ibesanewmethodforstablevatdyeingofcottonknitfabricinabatch,especiallydeep-colourdyeing,usingamodifiedjetdyeingmachineoperatingwithouttheuseofnitrogengastopurgeoxygen.Beforedesigningthemechanicalsystemfordeep-colourdyeingwithvatdyes,whichhasnotbeenpracticedcommerciallyuntilnow,prelimina
5、ryinformationondyediffusionincellulosicsubstrateswasobtainedusingthecellophanefilmrollmethod,bywhichdyeuptakeatthesurfaceandthediffusionbehaviourofthedyewithintherollweremeasuredquantitatively.Aswithotherdyeingprocesses,itisdesirableinvatdyeingthatthetemperaturebeashighaspossibleinorde
6、rtoreducedyeingandprocessingtime.However,increasingthetemperaturetendstoresultinunevennessinthedyedfabric,resultinginvariousdefectsintheproduct.Thedyeingconditions,includingtheconcentrationsofreducingagent,sodiumhydroxide,andtheweightratioofuseddyetofabric,wereexaminedbytestdyeinginanE
7、rlenmeyerflaskunderanitrogenatmosphere.Thepossibilitiesofloweringtheliquorratio,thedyeingtemperature,andthedurationofeachprocesswerealsoexaminedintheflaskexperiment.Thecoretechnologyforsuccessfulbatchdyeingonaproductionscaleconsistsincompletelyreducingthedyetoleucoformformoleculardis
