Ho tswela pele ha Polytetrafluoroethylene (PTFE) – ho tloha sehlahisweng se itseng se sebediswang feela ditshebedisong tsa boleng bo hodimo ho ya tlhokehong e kgolo ho bile butle-butle haholo.
Leha ho le jwalo, dilemo tse mashome a mabedi tse fetileng tshebediso ya PTFE e bonahala e fetetse ka bongata bo boholo, e e dumella ho ba le bokgoni ba kgwebo ditirisong tse fetang 200 tsa indasteri, tsa bareki le tsa bongaka. Mme le hoja masela, dithupa, dikobo le dikarolo di nka karolo e kgolo ya mmaraka wa dihlahiswa tsa PTFE, tube ya PTFE le hose ya PTFE jwale di hlahella e le sebaka sa bohlokwa sa kgolo.
Lisebelisoa tsa tube ea PTFE
Tšebeliso eaPhaephe ea PTFEe nametse lits'ebetsong tse fapaneng ho kenyeletsoa likoloi, lik'hemik'hale, motlakase le bongaka. Tafole ea 1 e bonts'a litšobotsi tsa bohlokoa tse hlalosang ho tenyetseha ha tube ea PTFE, ha Setšoantšo sa 1 se bontša ts'ebeliso ea eona masimong a fapaneng.
Litšebelisong tsa likoloi, bokhoni ba PTFE ba ho mamella mocheso o fetang 250°C bo etsa hore e be mokhethoa ea loketseng bakeng sa phetisetso ea mokelikeli o mocheso o phahameng.
Litšebelisong tsa bongaka,Phaephe ea PTFEe batlwa haholo ka lebaka la ho tlotsa ha yona le ho se sebetse hantle ha dikhemikhale. Di-catheter tse sebedisang tube ya PTFE di ka kenngwa mmeleng wa motho ntle le tshabo ya ho arabela kapa ho kgohlana le dikarolo dife kapa dife tsa mmele.
Litšebelisong tsa lik'hemik'hale - ho kenyeletsoa le lilaboratori - PTFE ke sebaka se setle sa khalase ka lebaka la ho se tsitse ha eona le ho tšoarella ha eona.
Litšebelisong tsa motlakase, thepa e ntle ea dielectric ea virgin PTFE e etsa hore e tšoanelehe hantle bakeng sa ho sireletsa likhoele tsa motlakase o phahameng.
Mefuta ea tube ea PTFE
Ho latela ts'ebeliso, tube ea PTFE e arotsoe ka mekhahlelo e meraro e meholo - e 'ngoe le e 'ngoe e hlalosoa ke bophara ba tube le botenya ba lebota (sheba Tafole ea 2).
Esita le ka har'a lihlopha, tube ea PTFE e ikemela ka mefuta e fapaneng, e 'ngoe le e 'ngoe e lumella ts'ebeliso e fapaneng (sheba Tafole ea 3):
Tube ea PTFE 'marakeng oa lisebelisoa tsa bongaka
Ka kakaretso, tube ea spaghetti e bophara bo bonyenyane e sebelisoa lits'ebetsong tsa bongaka. Tšebeliso ea PTFE sebakeng sena e shebane le litšobotsi tse peli tsa bohlokoa: ho tlotsa le ho lumellana ha lintho tse phelang. Li-fluoropolymer li bontša ho tlotsa ho hotle haholo ha li bapisoa le li-plastiki tse ling. PTFE ke polymer e tlotsang ka ho fetisisa e fumanehang, e nang le coefficient ea khohlano ea 0.1, e lateloa ke fluorinated ethylene propylene (FEP), e nang le 0.2. Li-polymer tsena tse peli li emela boholo ba tube eohle ea fluoropolymer e sebelisoang lisebelisoa tsa bongaka.
Ho lumellana ha polymer efe kapa efe e sebelisoang sesebelisoa sa bongaka ke taba e totobetseng. PTFE e ipabola sebakeng sena 'me e na le nalane e telele ea tšebeliso ea in vivo. Li-fluoropolymer tsa maemo a bongaka li lokela ho fihlela litlhoko tsa tlhahlobo ea USP Class VI le ISO 10993. Ehlile, ho sebetsana le bohloeki le hona ke ntlha ea bohlokoa.
Lilemong tse 18 tse fetileng, Besteflon e ntse e shebana le tlhahiso ea Li-PTFE Tubes le liphaephe tsa PTFE. Jwalo ka bo-pula-maliboho lefapheng la tlhahiso ea fluoroplastics, re phehella boleng bo holimo le tšebeletso ea kamora thekiso. Haeba u ka rata ho qala ho etsa tube ea PTFE bakeng sa ts'ebeliso ea hau e ikhethang, ka kopo ikutloe u lokolohile ho ikopanya le rona!
Nako ea poso: Phuptjane-12-2023