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ID:42712501
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页数:3页
时间:2019-09-20
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1、1.Excellenttogoodfastnesswasobtainedforallsamplesirrespectiveofthedyeingmethod2.TheresultofinvestigationoffersanewviablemethodforrinsingbyusingAOCprocesseswithabetterlevellinganddyeuptake.3.Theresultsobtainedarecomparedwiththoseobtainedbyconventionaltwo-bathdye
2、ingprocess.4.Factorsaffectingthedyeability,suchastheamountofsodiumedate,sodiumsulphate,temperatureanddyeconcentrationareinvestigated.5.Thedyedfabricswereevaluatedwithrespecttothedyeexhaustionandfixation,levellingandthefastnessproperties6.Itisacomfortable,durabl
3、eandattractivefabric.Thecomplementarypropertiesofthesefibersinclude---and---and---and---7.Alternatively,one-bathdyeingmethodusingonedyewouldbeofinterestasitoffersthedesiredunionshadetogetherwithenergysaving.8.Thisstructuralfeaturewouldhelpfixationofreactivedyes
4、ontocotton/woolfabricswithabetterfixationratethathelpsbetterforleveldyeing.9.Inthisregard,differentfactorsthatmayaffectthedyeabilityoftheblendusingtwo-bathaswellasone-bathdyeingtechniquesareinvestigated.10.Itisclearthatincreasingthesaltconcentrationfrom0to10g/l
5、leadstoapronouncedeffectonthedyeuptakeforbothdyeingmethodsandfurtherincreases,however,leadstoamarginalincrease.ThisresultreflectsthefindingsthatSEactsasexhaustiveandfixingagent.11.AnincreaseintheexhaustionofCIReactiveYellow145ontheblendfabricsisobservedasthedye
6、ingtemperatureincreasedfrom50to60_C.However,increasingthetemperaturefrom60to80_Cwasaccompaniedbyasuccessivedecreaseintheexhaustionandtotalfixationvaluesforbothmethods.12.Thisresultcanbeexplainedasfollows.Asmoredyebecomesfixedtothefabric,thenetnegativechargeonth
7、efabricincreaseswiththeincreasingconcentrationofsulphonategroupspresentonthedye.13.Additionally,thenumberofavailablesitespresentonthefibersreducesandcompetitivehydrolysisincreases.14.ComparisonofthedyeuptakevaluesforthethreedyesusingCMtwo-bathwiththoseobtainedu
8、singSEtwo-bathdyeingmethodrevealsthatSEtwo-bathmethodisgivingthebestresultsinallparametersofdyeuptakeforalldyes.15.ThisresultemphasizestheviabilityofusingSEinplaceofsodiumca
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