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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.docx》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、此文档收集于网络，如有侵权，请联系网站删除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此文档仅供学习与交流此文档收集于网络，如有侵权，请联系网站删除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
