I-PTFE yeyona plastiki ihleliyo eyaziwayo ngoku.Isetyenziswa ngokubanzi kumashishini ahlukeneyo aneendawo ezingqongileyo ezinzima.Ngenxa yokusebenza kwayo okugqwesileyo, ngokuthe ngcembe iye yaba yimveliso eqhelekileyo kwiimveliso zeplastiki (Yonke ibizwa ngokuba yiPolytetrafluoroethylene).Ngoko ke, kukho nabaninzi abavelisi abavelisa iimveliso ezinjalo.I-PTFE inokwenziwa kwiintlobo ezininzi zeemveliso, ezinjengeityhubhu, iintonga, iipleyiti, iigaskets, iifilim, njl. njl., ezisetyenziswa kwiinkalo ezahlukeneyo.
Yintoni ityhubhu ye-PTFE?
I-Polytetrafluoroethylene (efinyeziweyo njenge-PTFE), eyaziwa njenge "Plastic King", yipolymer ephezulu yemolekyuli efunyenwe nge-polymerizing tetrafluoroethylene njenge-monomer, emhlophe okanye i-translucent.Lo mbandela awunayo nayiphi na i-pigments okanye izongezo, kwaye uneempawu ze-asidi kunye nokumelana ne-alkali, ukuchasana neentlobo ezahlukeneyo ze-solvents eziphilayo, kwaye ziphantse zinganyibiliki kuzo zonke izinyibilikisi.Ukongeza, i-PTFE inoluhlu olubanzi lobushushu kwaye ingasetyenziselwa ixesha elide kwi -65 ° C ~ 260 ° C phantsi koxinzelelo oluqhelekileyo.Iveliswa ngendlela yokuncamathelisa i-extrusion.Ityhubhu ye-PTFE eyenziwe kusetyenziswa intlama ye-extrusion iyaguquguquka kwaye inokwenza i-PTFE ityhubhu enedayamitha yangaphakathi encinci njenge-0.3 mm ukuya kubuninzi be-100 mm kunye nobukhulu bodonga buncinci njenge-0.1 mm ukuya kwi-2 mm.Ke ngoko, iityhubhu ye-polytetrafluoroethylene (PTFE) yimveliso eguquguqukayo kakhulu ebonelela ngoluhlu olubanzi lwezicelo kumashishini amaninzi awohlukeneyo.
Kutheni iityhubhu zePTFE zisetyenziswa ngokubanzi:
1. Ukumelana nokushisa okuphezulu, okungaxutywanga kuyo nayiphi na i-solvent.Inokumelana nobushushu obuphezulu ukuya kuma-300 °C ngexesha elifutshane, kwaye ngokubanzi ingasetyenziswa ngokuqhubekayo phakathi kwe-200 °C kunye ne-260 °C, kunye nokuzinza okubalulekileyo kwe-thermal.
2. Ukumelana nobushushu obuphantsi, ukuqina komatshini kwiqondo lobushushu eliphantsi, nokuba iqondo lobushushu lehla ukuya ku-65 ℃, aliyi kuba ne-embrittled, kwaye linokugcina ubude be-5%.
3. I-Corrosion resistant, i-inert kuninzi lweekhemikhali kunye ne-solvents, ukumelana ne-acids eqinile kunye ne-alkalis, amanzi kunye neentlobo ezahlukeneyo ze-solvents eziphilayo, zinokukhusela iinxalenye kulo naluphi na uhlobo lokubola kweekhemikhali.
4. Ukuchasana nokuguga, phantsi komthwalo ophezulu, kuneenzuzo ezimbini zokuxhatshazwa kokugqoka kunye nokungabambeleli.Ubomi obugqibeleleyo bokuguga kwiiplastiki.
5. I-lubrication ephezulu, i-coefficient ephantsi ye-friction phakathi kwezinto eziqinileyo.I-coefficient of friction iyatshintsha xa umthwalo ulayidayo, kodwa ixabiso liphakathi kwe-0.05-0.15 kuphela.Ngoko ke, ineenzuzo zokuxhathisa ukuqala okuphantsi kunye nokusebenza kakuhle ukwenza iibheringi.
6. Ukungabambeleli yintlupheko encinci yomhlaba yezinto eziqinileyo, kwaye ayihambisani naziphi na izinto.Phantse zonke izinto aziyi kunamathela kuyo.Iifilimu ezibhityileyo kakhulu zikwabonisa iipropathi ezintle ezingabambekiyo.
7. Ayinavumba, ayinancasa, ayinatyhefu, inert ye-physiologically, kwaye ayinazo iziphumo ezibi xa ifakwe emzimbeni njengemithambo yegazi eyenziweyo kunye namalungu ixesha elide.
8. Ukukhanya kunye nokuguquguquka.Ukunciphisa kakhulu ukuqina komsebenzi womqhubi.
Ukusetyenziswa okuqhelekileyo kweetyhubhu ze-PTFE:
1.Ishishini leMichiza
Ngenxa yokunganyangeki kweekhemikhali phantse kuzo zonke iikhemikhali, iityhubhu zePTFE zilungele ukusetyenziswa kwishishini lemichiza.Oku kubandakanya ishishini le-semiconductor.Iinkqubo zanamhlanje kwimveliso ye-semiconductor zifuna i-metering ekhuselekileyo kunye nokuthutha ulwelo olonakalisayo (i-acids kunye neziseko).Ezi zingonakalisa kakhulu ityhubhu yokuhambisa ngexesha elifutshane.
2. Ushishino lweemoto
Kwi-injini yemoto, iityhubhu ekumgangatho ophezulu eyenziwe nge-PTFE isetyenziselwa ukuphuphuma kwamafutha kunye neentsimbi zamafutha.Okufana nemibhobho yamafutha, imibhobho ye-turbocharger, imibhobho yokupholisa, imibhobho yeziqhoboshi ezizenzekelayo, imibhobho yeziqhoboshi zesithuthuthu, imibhobho ye-injini yedizili, imibhobho yomdyarho kunye nemibhobho yokuqhuba amandla.Iimpawu zobushushu obuphezulu kunye nokumelana nokushisa okuphantsi, ukuxhathisa uxinzelelo oluphezulu, ukunyanzeliswa kokugqoka kunye nokuxhatshazwa kwe-corrosion ye-PTFE ityhubhu yenza ukuba ibe nobomi obude benkonzo ngaphandle kokutshintshwa rhoqo.
3. Ishishini loshicilelo lwe-3D
Kwiprinta ye-3D, i-filament kufuneka idluliselwe kwi-nozzle yokushicilela, ekufuneka yenziwe kwiqondo lokushisa eliphezulu.Ityhubhu ye-PTFE yeyona polymer ikhethwayo kushishino loshicilelo lwe-3D ngenxa yomlinganiso wobushushu obuphezulu kunye neempawu ezingabambekiyo, ezinceda ukutyibilika izinto ngokulula ukusuka kumbhobho.
4.Ishishini lezonyango
Iipropati ezikhethekileyo zeetyhubhu ze-PTFE zikwabandakanya ulwakhiwo olulula ukucoca umphezulu.Kwiminyaka elishumi edlulileyo, i-PTFE i-tubing iye yasetyenziswa kakhulu kwizixhobo zonyango.Ngenxa ye-coefficient ephantsi yokukhuhlana kwe-PTFE ye-tubing, ithetha ukuba inomgangatho ogudileyo kakhulu ongenamaski okanye oncedisa ukukhula kwebhaktiriya.Phakathi kwabo, i-hoses isetyenziselwa i-cannulas, i-catheters, i-pipettes kunye ne-endoscopes.
5. Ishishini lokutya
Ngenxa yokucocwa kwayo lula kunye neempawu ezingabambekiyo, i-PTFE tubing ingasetyenziswa kushishino lokutya.Ngokukodwa, iibhubhu ezenziwe nge-PTFE ezingazaliswanga zifanelekile ngenxa yokungathathi hlangothi kwazo kwaye zithobela izikhokelo zoLawulo lwezoKutya kunye neziyobisi zase-US.Ke ngoko, ibonakaliswe ingenabungozi ekunxibelelaneni neplastiki kunye naluphi na uhlobo lokutya.
Ukuthenga i-PTFE ityhubhu echanekileyo ayikokukhetha kuphela iinkcukacha ezahlukeneyo kwizicelo ezahlukeneyo.Okunye ukukhetha umenzi othembekileyo.I-Besteflon Fluorine yeplastiki ye-Industry Co., Ltd. igxile kwimveliso ye-PTFE hoses ephezulu kunye neetyhubhu ze-15 iminyaka.Ukuba kukho nayiphi na imibuzo kunye neemfuno, nceda uzive ukhululekile ukudibana nathi ukuze ufumane iingcebiso ezingakumbi.
Amanqaku anxulumeneyo
Ixesha lokuposa: Aug-13-2022