Kufuneka uyaziI-PTFE, uyise we-fluoroplastics.KodwaYintoni ii-PTFE eyandisiweyo?Ikwaziwa njenge-ePTFE, i-PTFE eyandisiweyo yinguqulelo encinci ye-PTFE.I-ePTFE iyonwabela iipropati ezifanayo kwi-PTFE. Eli nqaku liza kuchaza umahluko phakathi kwabo kunye nezicelo zabo.
I-PTFE: utata we-fluoroplastics
Yintoni i-PTFE?
Ngokukhawuleza okudibene nokungxamaIkhompawundi ye-olymer eyenziwe nge-tetrafluoroethylene nge-polymerization, i-PTFE inozinzo olugqwesileyo lweekhemikhali.kwayeukumelana nomhlwa,kwaye uye wabaenye yezixhobonge besti-corrosion resistance.I-PTFE inakoxhathisaphantse zonkeiikhemikhali,ngaphandleisinyithi esinyibilikisiweyo sealkali, ichlorine trifluoride, ichlorine pentafluoride kunye neklorine engamanzi, kuye kwaba njaloisetyenziswa ngokubanzi kwiezahlukeneyoamaxeshato ukuxhathisa iasidi kunye ne-organic solvent.I-PTFE ngokwayo ayinayo ityhefu ebantwini.
Iipropati ezizodwa ze-PTFE
I-PTFE iyona fluoropolymer engaqhelekanga kwaye ibonisa ukusebenza kakuhle ngokubhekiselele kwiqondo lokushisa, ukuchasana kweekhemikhali kunye neempawu ezingezizo.
● Ukonga iindleko;
● Cukusebenza ngokuqhubekayoat iqondo lobushushu +260°C;
● Lumphezulu wokukhuhlana;
● VUkumelana nombane okuphezulu.
Usetyenziso lwe-PTFE
● NgokutshoPTFE abavelisi, PTFE inezicelo eziphambili zilandelayo.
●Enyamezela nezona ndawo zinzima kwaye ilungele ukusetyenziswa kwizicelo ezininzi.
●Iintengiso yokusetyenziswa kwimveliso yokutya nesiselo,kuqukaizixhobo zokupheka, iirola zebhanti zokuthutha, izigqubuthelo zomphezulu ezinganamatheli, kwayeisivamvo sobushushu casing.
●Pluncedo kakhulu kwimveliso yezixhobo zokusindisa ubomi zangaphakathi nangaphandle.
●Pegqibeleleyo yokugquma umbane kunye nokukhuselwa kwamalungu e-elektroniki.
● Yenzaiimveliso ezahlukeneyoin ishishini lamachiza,njengeiigaskets,iintambo zeenqanawa kunye neetanki zeekhemikhali.
I-PTFE eyandisiweyo: i-microporous fluoropolymer
Yintoni i-PTFE eyandisiweyo?
I-PTFE eyandisiweyo (i-ePTFE) luhlobo olutsha lwezixhobo zonyango lwe-polymer, olwenziwe nge-polytetrafluoroethylene resin ngokuzolula kunye nezinye iindlela ezikhethekileyo zokucubungula.I-PTFE emhlophe, e-elastic kunye ne-flexible eyandisiweyo inokwakheka kwe-mesh eyenziwe ngoqhagamshelwano lwe-microfiber, kwaye ezi microfibers zenza i-pores ezingenakubalwa, ukwenzela ukuba i-PTFE eyandisiweyo inokugotywa ngokungekho mthethweni.Ukuhambelana kakuhle kwegazi kunye nokumelana nokuguga kwebhayoloji kuyayivumela ukuba isetyenziswe ekwenziweni kwemithambo yegazi eyenziweyo, amabala entliziyo kunye nezinye iimveliso zonyango kwaye ibe yeyona ndawo ifanelekileyo yethishu yebhayoloji.Ngokuhambelana kakuhle kwe-biocompatibility kunye nesakhiwo esiyingqayizivele se-microporous, i-ePTFE ayinayo ityhefu, ayinayo umhlaza, kwaye ayinayo i-allergenic, kwaye ayiyi kuvelisa ezinye iziphumo ezibi.Iiseli zezicubu zomntu kunye nemithambo yegazi zinokukhula zibe yi-micro-pores kwaye zenze unxibelelwano lwethishu njengezicubu ezizimeleyo.
Iipropati ezizodwa ze-PTFE eyandisiweyo
Izabelo ze-PTFE ezandisiweyo ezifanayo kwi-PTFE.Isixhobo asiyotyhefu ngokupheleleyo kwaye sicocekile, kwaye sikwabonelela ngamaqondo obushushu asebenzayo ukuya kuthi ga kwi-260°C.Ukongeza, i-ePTFE iyonwabela oku kulandelayoiipropati.
● Ukumelana neekhemikhali kunye namandla aphezulu omgca;
● Inert ngokwemichiza;
● Ukungangeni manzi kuxinzelelo oluphantsi;
● I-dielectric ephantsi rhoqo;
● Ukwandiswa kwe-radial okugqwesileyo kunye nokuchasana kwe-UV.
Usetyenziso lwe-ePTFE
1. Ufakelo lwezonyango
I-ePTFE enert ngokuchanekileyo ingasetyenziselwa izisombululo ezahlukeneyo zokubuyisela kwisimo sangaphambili, kubandakanywa imithambo yegazi eyenziweyo kunye neziqwenga zokuvuselelwa kwezicubu ezithambileyo kunye ne-sutures yotyando kwi-vascular, cardiac, general and orthopedic surgery, ngaloo ndlela kuzuza bobabini oogqirha kunye nezigulane.IIimveliso zonyango ze-ePTFE ziyakwazi ukusebenza ngokuhambelana nezicubu zomzimba kunye nokubuyisela umsebenzi wazo oqhelekileyo.
2. I-Fluorofiber
Ei-PTFE eyandisiweyoimicubabeamandla aphezulu, ukushwabana okuphantsi, ukuxhathisa kwe-abrasion, kunye nokuxhathisa okugqithisileyo kwe-UV, ngokoqinisekisangeuzinzo olulungileyo kunye nokuthembeka kwiindawo eziphakamileyo.OkukanjaloIfayibha inomsebenzi omninzi kwaye inokulukwa, ukuphothwa, ukuphothwa okanye ukuthungelwa kwiintlobo ngeentlobo zamalaphu, kubandakanywa ukupakishwa koxinzelelo, intambo yokuthunga, amalaphu okwakha kunye nefloss yamazinyo.
3. Gii-askets kunye ne-sealant
I-ePTFE inemichiza egqwesileyo kunye nokumelana ne-abrasion kunye nokumelana okugqithisileyo kumaqondo obushushu aphezulu naphantsi, iyenza ilunge kakhulu ukuthutha kunye nokutywinwa.ofulwelo lwamashishini.Iigaskets kunye neemveliso zokutywina ukusukaSuko, kubandakanywa i-flat, i-strip ebhityileyo kunye ne-field-formed sealants, zikhoyo kwiiflange zaso naziphi na ubukhulu okanye iinkcukacha.
Ixesha lokuposa: Jun-28-2022