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《改进的喷射染色机上的深颜色还原染色棉布织物外文翻译纱线喷射染色控制系统设计 大学毕业设计.doc》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、外文翻译毕业设计题目：纱线喷射染色控制系统设计原文1：Deep-colourvatdyeingofcottonknitfabriconmodifiedjetdyeingmachine译文1：改进的喷射染色机上的深颜色还原染色棉布织物原文2：Analysisofthefactorsinfluencingdyeuptakeonjetdyeingequipment译文2：喷射染色设备上影响染料吸收因素的分析Deep-colourvatdyeingofcottonknitfabriconamodifiedjetdyeingmachineToday,cottonclothesar
2、edyedwithvatdyesinacontinuoussystem,withstepwiseoperationsofreducingthedyetoleucoform,soakingtheclothesinthebathunderanitrogenatmosphere,andthenholdingtheclothesinanairatmosphereforoxidation.Soaping,washing,andapplicationofvariousauxiliaryagentsfollowcontinuouslytofinishtheprocessing.How
3、ever,cottonknitfabric,whichisnotputintothecontinuoussystembecauseofitsoverstretchingontheconveyor,mustbevatdyedinabatchsystem,whereinhomogeneousreductionandoxidationofthedyedfabricoftenleadtosomedefectsintheproduct.Thisreportdescribesanewmethodforstablevatdyeingofcottonknitfabricinabatch
4、,especiallydeep-colourdyeing,usingamodifiedjetdyeingmachineoperatingwithouttheuseofnitrogengastopurgeoxygen.Beforedesigningthemechanicalsystemfordeep-colourdyeingwithvatdyes,whichhasnotbeenpracticedcommerciallyuntilnow,preliminaryinformationondyediffusionincellulosicsubstrateswasobtained
5、usingthecellophanefilmrollmethod,bywhichdyeuptakeatthesurfaceandthediffusionbehaviourofthedyewithintherollweremeasuredquantitatively.Aswithotherdyeingprocesses,itisdesirableinvatdyeingthatthetemperaturebeashighaspossibleinordertoreducedyeingandprocessingtime.However,increasingthetemperat
6、uretendstoresultinunevennessinthedyedfabric,resultinginvariousdefectsintheproduct.Thedyeingconditions,includingtheconcentrationsofreducingagent,sodiumhydroxide,andtheweightratioofuseddyetofabric,wereexaminedbytestdyeinginanErlenmeyerflaskunderanitrogenatmosphere.Thepossibilitiesoflowerin
7、gtheliquorratio,thedyeingtemperature,andthedurationofeachprocesswerealsoexaminedintheflaskexperiment.Thecoretechnologyforsuccessfulbatchdyeingonaproductionscaleconsistsincompletelyreducingthedyetoleucoformformoleculardispersioninthedyeingliquor,preventingairpenetrationfro
