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TextilematerialsS.H.Tong,J.E.Beard1,definitionThefiberisafilamentformmaterialofthenaturalorartificialsynthesisthedopedyedfiberreferstousingthefiberoftheclothoftextile.2,dopedyedfibercharacteristicThedopedyedfiberhasgoodphysicalperformancesuchascertainlength,detaileddegree,elasticity,andbruteforce.Alsohavebetterchemicalstability,forexampleCotton,wool,silk,hempthosenaturalfiberaretheidealdopedyedfiber.3,thedopedyedfiberisclassifiedNaturalfiberandchemicalfiber.①Naturalfiberincludesplantfiber,animalfiberandmineralfiber.APlantfiber,forinstanceCotton,hemp,andfruitfiber.BAnimalfiber,forinstanceWool,rabbit,silk.CMineralfiber,forinstanceAsbestos.②Thechemicalfiberincludesregenerationfiber,syntheticfiberandinorganicfiber.ARegenerationfiber,forinstanceViscosefiber,acetatefiber.BSyntheticfiber,forinstanceNylon/Polyamide,Polyester,Spandex/elastic/strec/lycra,Ammoniablacksilkribbon,polyvinylalcoholfiber,polypropylene,Fiber,etc.CInorganicfiber,forinstanceGlassfiber,metallicfibered.4,thetextileperformanceofthecommondopedyedfiber①WoolPickupthemoisture,elasticity,takeperformancetobefine,abletobear,damagebyworms,notrighttocombinethedyestuffswiththemetalwhilebeingacid.②SilkHygroscopic,ventilative,glossandtakeofgoodperformance,applicableandacidanddirectdyes.③CottonVentilativeandpickingupthemoisture,takeofgoodperformance,beabletobearbeingdamagedbyworms,reducedevennitrogen,alkalinemedia,sulfide,reactivedyestuffs.④ViscosefiberHygroscopicity,gettingventilativeandfine,colorbright,rawmaterialsourceswidewithlowcosts,propertiesareclosetonaturalfiber,applicabledyestuffsthesameascotton.⑤DacronFabric,verycomfortable,protectingshapekind,wearresisting,sizesteady,easytowashandquickdrying,applicabletodispersetdyestuffs,heavynitrogendispersesdyestuffsandsolubilityreducesdyestuffs.⑥PolyamidefiberWearabilityverygood,ventilativedifferences,applicabletoaciddyesanddistributedyestuffs.⑦FineblacksilkribbonItisgoodtobeflufflyandhavingfursenses,dispersedyestuffsandcationicdyestuffsapplicably.Themilktextilefiberusetheproteinwhichseparatesbythemilkasthebasicrawmaterial,resultsintheregeneratedproteinfiberafterchemistryprocessingandthemachinefinishingsystem.Theproteininthemilkthereasonthatcanbecomethefiber,becauseithasthefiberhighpolymerbasiccondition1themacromoleculeislinear.TheproteinmacromoleculehastwokindsOneisthechainshape,namelylinear,callsfibrinanotherisspherical,callsglobulin.Theproteininthemilkisthecasein,whichisastriation,itcanbecomethefiberbutthehemoglobinisaglobulin,andthencannotbecomethefiber.2Hasthecertainflexibilityandtheintermolecularforce.Theproteinmainlycomposedbythecarbon,theoxygen,thehydrogen,thenitrogen,thesulfur,insomeproteinalsocontainsphosphorus,ironandsoon,suchasthecaseinincludesphosphoruselement.Afterultimateanalysis,indryproteintheelementcontentforH6.07.0,C5055,O2030,N1517,S0.32.5.From19centurysends,atthebeginningof20thcenturytheforeigncourtiersnamelyhavestartedtoresearchtheregeneratedproteinfiber.In1935theItalianscientists,in1938EnglishICICorporation,in1939CornProductRefiningCorporationonceseparatelydiscussedtowithdrawtheproteinfromthecowsmilk,thepeanutprotein,thecorn,thesoybeanbeancake,thencarriedonthespinning.Intheearly1940s,America,EnglandhavedevelopedthelabaraIn1945America,EnglandhavestudiedtheSoyaproteintextilefiberIn1948theUSGeneralMotorshaswithdrawntheSoyaproteintextilefiberfromthebeancake,butmostlybecausethetextilefiberperformanceispoor,whichunabletocarryonthetextileprocessingbuttosevertheresearch.RecentlyaJapanesetextilecompanydevelopedthemilkproteintextilefiberhasrealizedtheindustrializationproduction,because100kilogramsmilksonlycouldwithdrawtwokilogramsprotein,causedtheproductioncostexcessivelyhigh,alsothetextilefiberthermalstabilitywasbad,Above120℃dryheatiseasytohavetheeyellowspot,theforcedropped,thereforeitstillunablemassivelytopromotetheuseuntilnow.InAugust,2000.Oneday,LiGuanqiaccompanedwithSuzhouUniversityprofessorsWangHuastobringthesoybeaneggalbuminfiberwhichthroughtenyearspainstakingcaredevelops,enteredthenationalspinningandweavingindustrybureauforthefirsttime.Untilnow,onlymorethantwoyears.ifletsusturntheheadthesetwoyearstrail,duringthattimewecandiscovertheoriginalnationalspinningandweavingindustrybureau,presentlytheChinatextileindustryassociationforthesoybeaneggalbuminfiberpromotionandapplicationdirectlyorganised,coordinated,participatedbigscaleseminar,thetrainingclass,thepressconference,theappraisalconferenceandsoon,eachkindofactivityunexpectedlyreachestenabovetime.Atpresentparticipatedinthesoybeaneggalbuminfibertheproductdevelopmenttextileenterprise,theuniversities,collegesandinstitutes,thescientificresearchinstitutealreadyreachesabovehundred,theproductdevelopmentscopehasinvolvedtoeachdomain,suchasthecottonandkapok,thewool,thehemp,thesilk,theknitting,printing,alloftheseprotectedandmoistenedthegrowthofthesoybeaneggalbuminfiberintheindustrialweaktime.InventedbyLiGuanqidevelopsthesuccessfulsoybeaneggalbuminfibertorewriteChinaintheapplicationtextilefiberdomainoriginalcreativetechnologyforthezerorecord,afterhundredandthousandofengineersandtechnicians,theexpertsparticipatedintheresearchofthesoybeaneggalbuminfibertheproductdevelopmentandthecorrelationcrafttechnologybreakthroughwillcertainlybringthebrightprospectforthesoybeaneggalbuminfiberindustrialproduction,thecommercialization.Thesoybeaneggalbuminfiberusethebeancakewhichfriesinoilandthesoybeanleachingastherawmaterial,theusebioengineeringnewtechnology,withdrawspurelythebeancakeinglobulin,throughhelpsthemedicinalpreparation,thebiologicalenzymefunction,causesthedepurationtheglobulinchangespatialstructure,thenincreasesthehydroxylandthecyanohighpolymer,compoundsthecertaindensityoftheproteinspinningfluid,aftertheripening,createsthegreentextilefiberwiththeaqueousmethodspinningsystem,itbothhasthefineperformanceofthenaturalsilk,andhasthemachinecapabilityofthesyntheticfiber,alsohassatisfiedthepursueofthepeopletocomfortablenessandtheartistic,alsoconformsthetidalcurrenttotheclothingexemptburnsandmaywashwhichputson.Theaffinityisgoodbetweensoybeaneggalbuminfiberandhumanbody,alsoincludesthehumanbodytohavetheaminoacid,joinedthequotaremarkablyinthespinningcraftthesterilizationsterilizationChineseherb,thedrugefficacyislasting,hasraisedtheunderweareffecttide.Inthispapertheoptimaldesignofsplineorkeyprofilesforthreedifferentdesigncriteriaispresented.Themethodofcalculusofvariationisusedtodetermineprofilefunctionsformaximumvalue.Analyticalresultsaresuccessfullyobtained.Itshowsthatthesplineswithinvoluteprofilesleadtouniformdeformationonthehub,inadditiontheycancarrythemaximumtransmissionloadcapacity.Ontheotherhandradialstraightprofilesresultinoptimumtransmissionefficiency.Webelievesimilarapproachcouldbeusedtodetermineothersplineprofileswhennewperformancecriteriaareimposed.
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