Myprimarygoalistocreatehigh‐performance,high‐functioncompositesyntheticfibersbyirradiatingfiberswithacarbondioxidelasertoheatthem.Iexpecttheresultingfiberstobeusedinapplicationssuchasmedicineandopticalmaterials,forexampleintheformoffiberthatis1/2,000thofthethicknessofahumanhairorfiberwhoseshapeandcompositioncanbepreciselycontrolled.High‐performance,high‐functionsyntheticfiberisusedinaircraftandautomobilebodies,artificialorgans,opticalequipment,andinsports,whereithelpsreduceenvironmentalimpactwhileimprovingthecomfortofdailylife.Graduatesworkatmaterialmanufacturerssuchassyntheticfibercompanies,tiremanufacturers,electricmachinerymanufacturers,andpublictestingfacilitiesinvolvedinproductandmaterialevaluation.ProfessorYutakaOkoshiProfessorOkoshijoinedtheFacultyofTextileScienceandTechnologyatShinshuUniversityin1986andtookhiscurrentpositionin2006.Heisinvolvedinnumerousareasofresearch,includingtheformationandprocessingofhigh‐polymermaterialssuchasfibersandfilmsandtheexaminationoftheopticalandmechanicalpropertiesoffiber.先進繊維・感性工学科Fabricating high‐performance synthetic fibers with laser irradiation8Department of Advanced Textile and KanseiEngineeringAdvanced Textile EngineeringOutlook for researchOutlook for students after graduation写真サイズ高さ9.8cm×幅7.5cm配置位置横11.4cm、縦2.85cmStructure developmentReal‐time Control of fiber diameter profilesDegradationHigh‐strength FiberPET NanofiberLaser‐Heated DrawingManufacturingofhighPerformancefibersforprotectingoftheenvironmentandhumanhealth繊維・感性工学系Inthesyntheticfibermanufacturingmethod,themostbasicprocessisaspinninganddrawingprocess.Inthislaboratory,weproducevariouscompositefiberssuchascore‐sheathtypecompositefibersandsea‐islandfibersusingaspinningmachineforcompositefibers,andinvestigatethefiberstructureformationprocessofthecompositefibersonthespinninglineandduringthedrawingprocess.Furthermore,since2014,wehavebeenchallengingresearchappliedtotheanalysisofnonwovenfabricstructuresusingmicroX‐rayCT.Bythismethod,theinternalstructureoftheneedlepunchandmeltblownnonwovenfabricwasvisualizednondestructively,andtherelationshipbetweenthefibervolumefractionandfiberorientationinthecrosssectionandthephysicalpropertieswasquantitativelyevaluated.先進繊維工学コースProfessorKyoungHouKimAftergraduatingfromtheDepartmentofTextileEngineeringatBusanNationalUniversityandworkingatKoreapatentexamineroftheKoreaPatentOffice,hebecameanassociateprofessorattheFacultyofTextileScienceandTechnologyinShinshuUniversity,andtookthecurrentpositionin2019.Researchfieldsincludefiber/filmmoldingandnonwovenstructuralanalysisIfthestructurecanbecontrolledthroughresearchtodeterminethefiberstructureformationprocess,thefieldsinwhichfiberscanbeusedasindustrialmaterialssuchashigh‐performancetirereinforcementandhollowfibersforhigh‐strengthfilterscanbefurtherexpanded.Inaddition,recentresearchhasrevealedthatthestructureofnonwovenfabriccanbequantitativelyevaluatedbyusingXCT.Ifyouunderstandthebasicsandunderstandfromthefinestructureoffibers,youwillbeabletounderstandthebasicsandapplicationsregardlessofwhereyouworkinthetextileindustry.Department of Advanced Textile and KanseiEngineeringAdvanced Textile EngineeringOutlook for students after graduationMelt‐blown bicomponent spinning devicedie to collector distance1 mm 10 mm 15 mm 5 mm Penetration depth of needle: 6.4 mm Penetration depth of needle: 12.7 mm Penetration depth of needle: 19.0 mm MD PE PET Visualization of nonwoven fabric internal structure by XCT measurementScanning Electron microscope image of sea/island fiberCross‐sectional photograph of sheath /core bicomponent fibers.Cross section photograph of multi porous fiber.Outlook for research
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