Yintoni i-ptfe (polytetrafluorororoothl)? Iimbono: 0 Umbhali: Umhleli wePatpalish IXESHA: 2023-11-10 Imvelaphi: Indawo
Buza
I-PolytetraflumUorororoothyyyyyey (Ptfe) yikharbon kunye ne-fluorine polymer. Ezi zixhobo zelona gama liqhelekileyo: teflon.
Iipropathi ze-ptfe ibandakanya:
Iipropathi ezigqwesileyo ezigqwesileyo (<1%)
I-Chemical Intertion Intertion Ukunganyangeki
Ukumelana nobushushu
I-Coefficients ephantsi ye-fullions
I-PREPRTEes (i-Intertands eqhubekayo eqhubekayo engama-500 ° F (260 ° C))
Nxiba ukuxhathisa
Indawo ephezulu yokunyibilika
Ipropathi ebalaseleyo ye-ptfe inika uluhlu olubanzi lwezicelo, kwaye idla ngokusetyenziswa njengento engeyiyo i-sokiwawe. Ukuchitheka okungcono kwe-PTFO kuyayivumela ukuba idityaniswe nezinto ezahlukeneyo nge-enulsion Polymerization okanye i-Polymment Polymerization ye-Polymerication ye-Prelyment ye-Prelyment ye-thermal ye-thermal ye-thermal ye-therement, i-birgemer yenqanaba lokuhambisa, i-thebor eguqukayo, njl.
I-Polytetraflioroothyyyyyeyyyyeyyyyyeyyyeyyyyeyyyeyyyyeyyyeyyyyeyyyyeyyyyeyyyyyyeyyyeyyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyeyyyyeyyyeyyyyeyyyeyyyeyyyeyyyeyyyyyeyyyeyyyyeyyyeyyyeyyyyyeyyyeyyyyyey ye-1938. Kwakufunyanwa kwasekuqaleni kwe-MOORM HOYIR roy j. Abantu ngelo xesha babengenakucinga ngale mveliso iqhelekileyo. I-catalysts engaqhelekanga iya kuchaphazela yonke imiba yehlabathi.
Ngo-1941, uDupont wafumana ilungelo elilodwa lomenzi wemveliso kwaye wabhalisa uphawu lwentengiso phantsi kwegama 'teflon ' ngo-1944.
Kule mihla, i-polytetrafluoroothyyyyyyyyyyyyyyyeyylene isetyenziswe ngokubanzi kwimimandla emininzi yemveliso kunye nobomi. Kumzi-mveliso wokutya, i-ptfeated i-ptware isetyenziswe ngokubanzi; Kumzi-mveliso weempahla, impahla ekhulayo enokubandayo evela kwiimpawu ezinje nge-helikon kunye ne-carinthilia yonke isebenzisa i-ptfe njengoko i-caider okanye i-face the theist. , ukuze kufezekiswe amandla okumelana nokubanda kakhulu ngo-2010 ° C; Kwicandelo lemikhosi, izixhobo ze-PTFE ngelahleko esezantsi, iipropathi ezigqwesileyo, ukungangqinelani, izinto zeekhemikhali ezizinzileyo, kwaye phantse akukho phantse i-radio radional raboards radional radional raboarls. Kwicandelo lezonyango, izixhobo ze-PTFE zisetyenziswa ngokubanzi kwiindawo ezinomzimba.
I-ptfe imela i-polytetrafluororororoothyyyyyyyyyyyyyyyychone, inkangeleko yeekhemikhali zePolymer (C2F4) n.
Le nto ibonakalayo ibhekisa kuyo nayiphi na i-PTFECHICET SLEAROOFROLY. Iimpawu eziphambili zePolytetrafluororororororooyene ngolu hlobo lulandelayo:
Ubushushu obusebenzayo (° F / ° C): 500/60
Amandla e-thensle kwikhefu (PSI): 4,000
I-Delectric Hostant (kv / vil): 3.7
Inxalenye: 2.16
I-Elongition kwikhefu: 350%
Unxweme lwe-D
I-Petfest PolytetrafluOflicluothy ye-Syntheetic Synthete ezineempawu ezingentla zineempawu ezininzi, ezona ndlela ziphambili zezi zilandelayo:
Isakhiwo sekhemikhali se-ptfe
I-Polytetrafliothyyyyyyeyyyyyyyyeyyyeyyyyyyyyeyyyyeyyyyyeyyyyyeyyyyyyeyyyyyeyyyyyyeyyyyyyyyyeyyyyeyyyyyyyyyyeyyyyyeyyyyyyyeyyyyyeyyyyyyyyyyyyyyyyeyyyyyyyeyyyyyyeyyyyyyyeyyyyyyyeyyyyyyyyyyeyyyyyyyyyyyyeyyyyyyyyyyyeyyyyyyyyyyyeycuty ye-polymer of ye-carbon (c) kunye ne-fluorine (F) ifomula yekhemikhali (i-C2F4) N, i-N linani leeyunithi ze-monomer.
Ubume be-ptfe bunokubonakaliswa njenge: -cf2-CF2-CF2-CF2-
I-chain ende yeemolekyuli ze-ptfe yenziwa ngeatom yekhabhoni, nganye nganye ihambelana neeathom ezimbini ze-fluorine.
I-Atorine Atom iphantse yagubungela umphezulu weathom yekhabhoni ye-Pilymer Polymer Piin. I-atom yekharbon yenza ikhonkco eliphambili le-polymer. I-Atorine Atom yenza isakhiwo esingafaniyo nesikhuselo esijikeleze iiatom zekhabhoni, ezikhusela kakuhle iiathom zekhabhoni zangaphakathi.
Olu lungiselelo lukhethekileyo lweeathom lunika i-ptfe ipropathi yakhe ekhethekileyo. Esi sakhiwo semolekyuli sinegalelo kwi-PTFIRPRURTER engafakwanga i-PTFIRPROPROPRORPROPRORTURTE.
I-teflon yi-thermoplestic fluerolymer, kunye ne-teflon affmsm yi-ptfe (i-polytetrafluoroflum).
I-teflon yinto yophawu lwe-chemours, nangona kunjalo, i-PTUT ithenge ithengiwe kwiinkampani ngaphandle kwe-chemours.
I-teflon sisixhobo esidumileyo ngenxa yokufuthi kwayo ephantsi, ukumelana nobushushu obuphezulu kunye nokuxhathisa imichiza.
Ewe, i-teflon yinto ye-polymer ye-polymer of Polymermer evela kwiTetrafluooylene kwaye luhlobo lwezinto eziphezulu. Igama lekhemikhali lekhemikhali yiPolytetraflum (PTFE).
Isakhiwo seTeflon Shemili sahluke kakhulu. Imo yemolekyuli yile f (ii-atorine atom) ithatha indawo yonke i-H (i-hydrogen atom) kwikhonkco le-C. Kwangelo xesha, kuba iradiyo ye-fluorine atom inkulu kakhulu kune-radius yeatom, ukuze i-atom iphantse ibe yi-atoral atom, ukuze i-fldrogen iphantse idibane neeatho ze-inter.
Ngomqobo owomeleleyo we-Atorine Atorine, isakhiwo se-teflon polymer sizinzile xa kuthelekiswa nezinye izinto.
I-ptfe yipollymer polymerment evela kwiTetrafliothylene Monomer. Yinto ebonakalayo okanye i-opaque wax efanayo ne-PE. Ukuxinana kwayo yi-2.2G / cm3 kunye nenqanaba layo lokufumana amanzi lingaphantsi kwe-0.01%.
Isakhiwo sekhemikhali sePolymer ye-ptferemer iyafana ne-PE, ngaphandle kokuba zonke ii-atom ze-hydrogen ePolyethylene zitshintshwe ziiathom ze-fluorine. Ngenxa yamandla aphezulu ombane kunye nokusebenza ngokuzinzileyo kwe-CF ye-CF, ilunge ngakumbi i-acid ye-acids, kubandakanya i-Aqua Greyidi, i-oxiding media, kunye nesodium hydroxide ngaphezulu kwe-300 ° C. Kunye neziphumo ze-onudants ezinamandla, ukunciphisa iiarhente kunye nee-solnts ezahlukeneyo zezinto eziphilayo.
I-Atom kwimolekyuli ye-ptfeccule i-Symetrical, kwaye zezona zinto zimbini kwi-CF ye-CF zidityaniswe kakuhle. Akukho zi-elektroni zasimahla kwimolekyuli, zenza konke ukungathathi cala kwemolekyuli. Ke ngoko, ineepropathi ezigqwesileyo zesidlo esihle, kunye nokufakelwa kombane akuchaphazeleki yimpembelelo yokusingqongileyo kunye nokuhamba rhoqo.
Ukuhlala kwayo kungaphezulu kwe-1017, ilahleko yayo ye-diecric incinci, ukunyangwa kwayo kuphezulu, ukuchasana nokuchaswa kwe-ArC kulungile, kwaye kunokusebenza kwindawo yombane engama-250 ° C. Kungenxa yokuba akukho ndlwana ye-hydrogen kwisimo se-ptfe molerical, isakhiwo silingana, ngoko ke i-crystaillizalizal iphakame kakhulu (i-crystallity yi-55% ye-Crystallity i-55%), eyenza ubushushu obungaxhaleli i-94%. Iqondo lobushushu elinyibilikayo lingama-324C, amaqondo obushushu ayo ayi-415 ° C, kunye nobushushu bayo bokusebenzisa i-250 ° C. I-Brittle iqondo lobushushu yi--190 ° C, kunye nobushushu obugqwethekileyo ubushushu (phantsi kweemeko ze-0.46mpa) yi-120c.
Isixhobo se-TFFLOLO sinezixhobo ezilungileyo zoomatshini. Amandla ayo angamanye amazwe angama-21 ~ 28MPA, ukugoba ngamandla yi-11 ~ 14MPA, i-elongwation ngama-250% ~ ~ ~ ~ ~ ~ i-~ ye-~ ~ ye-~ ye-~ ye-fictofold, kunye ne-polythylene. Ukusebenza kwengqumbo yeplastiki ezipholileyo kuncinci.
I-ptfe icocekile inamandla aphantsi, ukugula kakubi nokunganyangeki okugwenxa. Ihlala iyimfuneko ukongeza amanye amasuntswana anolwazi kwiPolymer, enje ngegrafu, iqela eliphosakeleyo, i-aluminium oxide, i-fiber ye-fiber, i-farbon fiber, njl. Ukuphucula iipropathi zayo. , kwaye unokwandiswa ngokusebenzisana nezinye iipolimes ezinje ngePolyphenylase (PHB), iPolyphenyane I-Glythylene / Polythylene Goolly (PFEEP), ukuphucula ukumelana kwawo.
Inkqubo yokwenziwa isebenzisa i-chloroform njengento engafunekiyo, isebenzisa i-charhydsuoric acid, iqondo lokuphendula lingaphezulu kwe-65ºC, isebenzisa i-antimory putoides, kwaye ekugqibeleni isebenzise i-tetraflide.
I-AokaII iveliswa kusetyenziswa i-polymerization okanye i-enulsion polymerization.
Ukulungiswa kweMonomer Tetrafluorororoothylene
Ngokwemveliso, i-chloroform isetyenziswa njengezixhobo ezibukhali, i-Anddrofluoric Acid isetyenziselwa ukuqaqamba, ubushushu bokuphendula ungaphezulu kwe-65ºC, i-tetraflub, i-tetrafluoroothylene iveliswa kukuqhekeka kwe-thermal. I-TetrafluoroOyyyyy ivele iveliswa ngokuphendula i-zinc nge-tetrafluichlorodiclorodicloichloichloichloichloichloichloichəines ephezulu.
Ukulungiswa kwePolytetraflumUorororoothylene
Kwi-enamel okanye i-stail yentsimbi yentsimbi, amanzi asetyenziswa njengesiqhelo, i-potassium isetyenziswa njengomqalisi, i-petfluocrocybon ye-Acid isetyenziselwa i-polythylene ehleliweyo. I-Tetrafluororoothyncyyyyyycho.
Yongeza i-Onvietives eyahlukeneyo yokuphendula, kwaye i-tetrafluororoomathylene monomer ingena kwi-polymerization ye-polymerization kwinqanaba legesi. Lungisa ubushushu kwi-kettle ukuya kwi-° ukuya kwi-25 ° C, emva koko wongeza isixa esithile se-artivitor (isodium metabisulfite) ukuqalisa i-polymerization ngenkqubo ye-reox. Ngexesha lenkqubo ye-polymerizazazazaza, imizimba iqhubeka iqhubeka, kwaye uxinzelelo lwe-polymerizazazazazazation lugcinwa kwi-0.49 ~ 0.788MPA. Ukusasazeka okufunyenweyo emva kokuba i-polymerizazazazazazazazazazazazazazazazazazazaza ichithwe kuxinzelelo oluthile ngamanzi, kwaye amaqondo obushushu ahlengahlengiswa kwi-15 ~ 20ºC. Emva kokudityaniswa ngoomatshini bokuvuselela, kuhlanjwa ngamanzi kwaye womile, oko kukuthi, le mveliso ifunyenwe njenge-ternin ye-granter.
Ngaba i-teflon ikhuselekile? I-teflon iyazikhulula ikhuselekile: I-TFFLon Study ngokwayo ayinatyhefu, ayizukubola, kwaye ayiyi kubangela iingozi zempilo. Kungenzeka ukuba imeko yayo yemolekyuli ingena nhlambi kwiikhemikhali, iyeke icinyiwe kwaye ingene emzimbeni womntu.
Funda ngakumbi malunga noKhuseleko lweTheflon
Iipropathi ezizodwa ze-PTFe zenza ukuba isetyenziswe ngokubanzi kwimisebenzi yemizi-mveliso kunye ne-petroleum, i-petroleum, i-Tetroleum, i-Tetroleum, i-Tetroleum, iMpendulo, iPepele, iPepermuke, i-Eleclip, oomatshini kunye noomatshini.
Ukusetyenziswa kwePolytetrafluorororoothylene (PTFE) kwi-Anti-Sorrosion Protosion Prosposhoes:
Due to the defects in corrosion resistance of rubber, glass, metal alloys and other materials, it is difficult to meet the harsh environment where temperature, pressure and chemical media coexist, and the resulting losses are quite alarming. While PTFE material has excellent corrosion resistance, polytetrafluoroethylene uses the main corrosion-resistant materials in petroleum, chemical, textile and other industries.
Specific applications include: delivery pipes, exhaust pipes, steam pipes for transporting corrosive gases, high-pressure oil pipes for rolling mills, high, medium and low-pressure pipes for aircraft hydraulic systems and cold press systems, distillation towers, heat exchangers, kettles, towers and tanks. Ukusebenza kwezixhobo zokutya zemichiza ezifana ne-lines kunye neeValves kunefuthe elikhulu ekusebenzeni kakuhle nasekwenziwayo kumatshini kunye nezixhobo. Izixhobo ze-ptfefe ineempawu zokunganyangeki kwe-PROSION, ukuxhathisa okuxhaphakileyo, ukungqubana okuphezulu, kunye nokungaqondakali, ukunciphisa ubushushu, kunye nobushushu obulungileyo, ubushushu obusebenzayo ngaphezulu kwe-100 °. Ezinje ngamatywina okufakwa koomatshini boomatshini, oomatshini bokugcina amanzi, iinqanawa zoxinzelelo eziphezulu, iiflegi ze-valus, iiplanga ezizeleyo, iiplanga ezinkulu, i-chisve rods, i-viem gesi, i-val.
2.Ukusebenza okusezantsi kwe-Polytetraflum (PTFI) kusetyenziswa kwizicelo zomthwalo.
Iindawo ezixineneyo zezixhobo ezithile azilungelanga i-qubriction, njengokweresi ethambileyo ziya kuncitshiswa zizixhobo ze-oyile, okanye ezikhoyo ze-PTKITE zezona zixhobo ze-oyile ezihamba ngeotshini. Kungenxa yokuba ukulandelelana kokusebenza kwale nto yeyona nto iphantsi kwezixhobo eziqinileyo ezaziwayo. Ukusetyenziswa kwayo kubandakanya ukuthengisa kwezixhobo zekhemikhali, oomatshini bokubhabha, kunye noomatshini kwezolimo, njengamakhonkco episton, isibonelelo sePiston, isiKhokelo seZixhobo zoMatshini, kunye nesikhokelo isikhokelo. Basetyenziswa ngokubanzi kwiiprojekthi zokwakha zaseburhulumenteni njengezilayidi zenkxaso, i-tunnel yentsimbi yophahla, imibhobho emikhulu yemichiza, kunye neetanki zokugcina. Iibhloko, kunye nokusetyenziswa njenge-bridge ixhasa kwaye i-bridge wivels, njl.
3. IZIPHUMO ZE-POLYTETROFLLLUORO YOROTHLOOTHWANE (PTFE) kwii-elektroniki kunye nezicelo zombane.
Ilahleko esezantsi yendalo kunye ne-diecric encinci yezidlo ze-PTFE iyenza ukuba yenziwe kwiingcingo ezinamanzi, ifilimu ye-thermore, i-thertoud, njl njl. Ikwayinye yezona zinto zibalulekileyo kwizinto ezibonakalayo ze-elektroniki ze-elektroniki ezifana ne-aerospace kunye ne-aerospace. Ukusetyenziswa kweefilimu zeplastiki ze-fluorine kune-fakeives ephezulu kwioksijini kunye nobungqingqwa obuphezulu kumanzi. Olu jikelele lokukhetha ukungcungcutheka okuncinci kunokusetyenziselwa ukwenza oosolusi beoksijini. Iimpawu zeFluoroplastics ezibangela ukuphambuka kwe-polar krevel Premmares kunye noxinzelelo oluphezulu kunokusetyenziselwa ukwenza i-microphones, izithethi, iinxalenye kwirobhothi, njl njl. Iimpawu zokusebenza kakuhle zinokwenza iintsinga ezibonakalayo.
4.Ukusebenza kwePolytetrafluorororoothylene (PTFE) kunyango lwezonyango.
Izinto ezandisiweyo ze-ptfewed ze-ptfeed zenzekile kwaye zinomelele kakhulu. Ayizukubangela ukwaliwa ngumzimba kwaye ayinayo iziphumo ebezingalindelekanga zomzimba emzimbeni womntu. Inokutshintshwa ngayo nayiphi na indlela. Ulwakhiwo lwayo lukhulu luvumela ukusetyenziswa kwizisombululo ezahlukeneyo zokubuyisela kwimeko yesiqhelo, kubandakanya imithambo yegazi ethambileyo kunye ne-tisches yokuphinda-phinda i-tisclorhel yokuphinda-phinda kunye nokuthatyathwa kwe-vascular, i-Cardiac, utyando ngokubanzi.
5. Ukuphinda-phinda iipropathi ze-Anti-Tood zePolytetraflioroothyyyyyyyey (Ptfe).
Izinto ze-ptfefe inoxinzelelo lomphezulu omncinci phakathi kwezinto eziqinileyo kwaye ayithobeli nayiphi na into. Ikwaneempawu zobushushu obuphezulu nobunobushushu obuphakathi kunye nokungaziphathi zekhemikhali, kuyenza ilungele izicelo ezinje ngemveliso. Iipansile ezinganamatinga zisetyenziswa ngokubanzi kwizicelo zokulwa. Inkqubo yokuhlambela i-Anti-Benoive ibandakanya iintlobo ezimbini: ukufaka iphepha le-ptfe kwi-substrate kunye nokubeka i I-ptfe i-ptfe cheating okanye ivarnish idityaniswe ngeglasi kwi-substrate
Funda ngakumbi malunga ne-PtFe Coyints
Nangona izinto ze-PTFE zisenengxaki yobunzima be-welding, ngokuhambela phambili kwetekhnoloji, iindlela ezintsha zeSynthesi ziya kuthi kungekudala zisombulula iintlungu zePTFO ze-PTFO kwaye zisebenzise uluhlu olubanzi lwamabala.
