Hi swihi ku cinca ka xivumbeko loku humelelaka eka lapi ra mahiselo yale henhla ya PTFE hi nkarhi wa endlelo ro dyuhala?

PTFEfabriki ya mahiselo ya le henhla i swilo leswi hlanganisiweke leswi endliweke hi ku chela kumbe ku peta lapi ra xisekelo xa fibre ya nghilazi hi polytetrafluoroethylene(PTFE).

Ku nga tshamiseki nkarhi wo leha eka mahiselo ya le henhla, swiyimo swa thermo-oxidative, ndhavuko wa ultraviole, na ntshikelelo wa michini, xivumbeko xa xona xi hundza eka ku cinca loku nga hundzukiki ku suka eka molekhuli ku ya eka levele ya macroscopicle.Vaendli va PTFEfabrika ya mahiselo ya le henhla va twisisa endlelo leri hi ku tirhisa swiyenge leswi landzelaka:

I.Ku Cinca ka Swivumbeko leswitsongo eka ku peta ka PTFE

Ku onhaka ka tikheteni ta timolekhuli na ku oxidation: Khaboni-fluorine leyikulu yi hundza eka ku tsemiwa ka tikheteni, ku susiwa ka tipolymerization, na ku oxidation, leswi endlaka leswaku ku hunguteka ntiko wa timolekhuli na ku vumbiwa ka mintlawa ya polar yo fana na mintlawa ya scarbonylandcarboxyl eka makumu ya tikhetane.Leswi swi engetela matimba ya le henhla naswona swi hunguta swihlawulekisi swa non-stick na hydrophobicity.

Ku cinca eka vucrystallinity: Swiphemu swo koma leswi nga ehansi ka crystallization ya vumbirhi.Eka xiteji xo sungula, crystallinity yi tlakuka hi ndlela leyi nga tolovelekangiki, leswi endlaka leswaku coating yi tiya naswona yi va brittle swinene.Loko ku onhaka ku ya ku tiya,ticrystalline region yi onhaka na ku wa ka xivumbeko.

Ku onhaka ka microscopicmorphology: Ku onhaka na ku hunguteka swi endla leswaku ku va na ti micro-cracks to tala na ti pinholes, swi vumba ti corrosionchannels.Eka swiyimo swo tika, ti coatingsurface powders na PTFEparticles swa hambana.

II.Ku Cinca ka Xivumbeko eka Substrate ya Fiber ya Nghilazi na Interface

Ku tsandzeka ka ku hlanganisa vukulu/swihlanganisi: Swiaki swa ku hlanganisa swa silanekumbe swiaki swa organic leswi hlanganisaka eka vuandlalo bya tifibre ta nghilazi swi bola na ku endla khaboni eka mahiselo ya le henhla ku sungula, leswi vangaka ku lahlekeriwa hi ku boha ka tikhemikhali na matimba yo hlanganisa ya michini exikarhi ka PTFE na fibre ya nghilazi.

Ku boha ka interfacial na ku tshoveka: Endzhaku ka ku tsandzeka ka interfacial, ku hambana eka tithermalexpansioncoefficients exikarhi ka PTFE na glassfiber swi tumbuluxa ntshikelelo wa ku hisa, ku rhangela toppeling na ku hambanisiwa ka coating kusuka eka fabric, leswi endlaka leswaku ku va na blistering, delamination, na tindhawu to basa leti nga paluxiwa.

Ku onhaka ka fibre ya nghilazi hi yoxe: Mahiselo ya le henhla na swilo swa kaline swi onha netiweke ya nghilazi, leswi vangaka ku pandzeka lokutsongo eka vuandlalo bya tifibre na ku tshoveka.Hi nkarhi wolowo, tialkalimetaloxides eka fibre ya nghilazi ti khuluka eka mahiselo yo leha, ti hlohlotela ntshikilelo lowu onhaka swinene interface na ku hatlisa ku lahlekeriwa hi matimba.

III.Ku Cinca ekaXivumbeko xa Macroskopi na Xivumbeko

Ku cinca ka mihlovo: Swilo leswi swi cinca hakatsongotsongo ku suka eka wo basa kumbe muvala wa ntumbuluko ku ya eka beige, brown,kumbe ku tlhela ku va wa ntima, leswi endlaka leswaku ku va na khaboni ya leyara ya le xikarhi ka xivumbeko, ku namarhela ka swilo leswi thyakeke swa organic, na swikumiwa leswi saleke ku suka eka ku onhaka lokutsongo kumbe ka PTFE.

Ku tshamiseka ka tidimenxini na ku rhetela: Ku hunguteka ka xivumbeko xa humelela, vuandlalo bya malapi byi hundzuka lebyi nga ringaniki, na ku rhelela.Leswi swi endla leswaku ku va na ku nga kongomisiwa ka tikheteni ta timolekhuli na ku humesiwa ka ntshikilelo wa le xikarhi.

Ku olova ka misava: Ku titwa loku rhetaka ka nyamalala,naswona vuandlalo byi hundzuka hi ku olova naswona byi lahlekeriwa hi ku vonakala.Eka swiyimo swo tika, powder yi voniwa loko yi khumbiwa, leswi kombisaka PTFEpowdering.

Ku wa ka xivumbeko xa michini: Switirhisiwa swi lahlekeriwa hi ku helela hi ku olova na ku tshoveka eka ku peta.Ku peta ku hambana swinene na lapi ra le hansi, leswi endlaka leswaku ku va na ntirho wo tala.

IV.Nkoka wa Endlelo ra ku Dyuhala

Ku cinca loku nga laha henhla ku vumba endlelo leri yaka emahlweni ra'ku onhaka ka xifunengeto→ku tsandzeka ka xihlanganisi→ku onhaka ka xihlanganisi.'PTFElosesitsinertnessand developscracks;theglassfiberinterface is destroyedbefore the fiberbody itself,leing to delamination;ulti mately,theentirestructurebecomes brittle, powders,and disintegrates.Ku lawula mahiselo ya ntirho, ku papalata ku tsekatseka ka mahiselo ku suka eka ku hatlisa na ku kufumela, na ku sivela ku tihlanganisa na acid sandalkali swi nga hunguta hi ndlela leyi humelelaka endlelo leri ra ku dyuhala ka xivumbeko.

Rungula leri nga laha henhla ri nyikiwa hiJiangsuOKThekinoloji ya Switirhisiwa leswintshwaCo.,Ltd.

Loko u lava ku dyondza swo tala hi vuxokoxoko bya swihlawulekisi, swiyimo swa matirhiselo, na swihlawulekisi swa ku endla hi ku landza swilaveko swa switirhisiwa swa hina hinkwaswo—ku katsa na PTFE lapi ra mahiselo ya le henhla, PTFEthepi ya mahiselo ya le henhla, Teflonhigh -mabandhi ya mesh ya mahiselo,mabandhi yo pfumala swirhabyani ya michini yo kandziyisa yo namarhela, lapi ra PTFE ra tlhelo rin’we, mabandhi yo fambisa ya mahiselo ya le henhla, na lapi ra fiberglass ya mahiselo lamakulu—hi kombela u titwa u ntshunxekile ku tihlanganisa hi ku tirhisa tichannel leti landzelaka:

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