I-Teflon yaziwa njenge-polytetrafluoroethylene (isishunqulelo sesiNgesi se-teflon okanye [PTFE, F4]), eyaziwa ngokuba yi-"inkosi yeplastiki", ekwabizwa ngokuba yi "Teflon", "Teflon", "Teflon", "Teflon", "Teflon", "Teflon", "Teflon", "Teflon", "Teflon", "Teflon", "Teflon", "Teflon", "Teflon", "Teflon", "Teflon", "Teflon", "Teflon", kunye "Teflon". Yikhompawundi ye-polymer eyenziwe nge-tetrafluoroethylene nge-polymerization, kwaye isakhiwo sayo silula njenge--[-cf2-cf2 -]n-.

I-Polytetrafluoroethylene, eyaziwa njenge-non-stick coating okanye kulula ukuyicoca. Esi sixhobo sineempawu zokumelana ne-asidi kunye ne-alkali, ukuxhathisa kwiintlobo ezahlukeneyo ze-solvents eziphilayo, kwaye ziphantse zinganyibiliki kuzo zonke izinyibilikisi. Ngelo xesha, i-polytetrafluoroethylene ineempawu zokumelana nokushisa okuphezulu, i-coefficient yayo ye-friction iphantsi kakhulu, ngoko ingasetyenziselwa ukuthambisa, kodwa ibe yinto efanelekileyo yokugubungela ngokulula ukucoca umaleko wangaphakathi wemibhobho yamanzi.

I-Teflon plating ikakhulu ixhomekeke kuhlobo lwenkqubo ofuna ukumisela indlela yokutshiza. Into ebaluleke kakhulu kukuba iTeflon yokugqoka idinga ukubhaka kumaqondo okushisa aphezulu ngaphambi kokuba isetyenziswe.

Iimpawu zeTeflon:

I-non-adhesive: Phantse zonke izinto azidibanisi kunye ne-teflon coating.

Ukumelana nokushisa okuphantsi: ukuqina kakuhle komatshini; Nokuba iqondo lobushushu liyehla ukuya kwi-196 ° C, ubude be-5% bunokugcinwa. Isathambile kwi-100 degrees.

Ukumelana nobushushu obuphezulu: i-polytetrafluoroethylene yokwambathisa inobushushu obubalaseleyo kunye nokumelana nobushushu obuphantsi. Inokumelana nobushushu obuphezulu ukuya kuma-300 ° C ixesha elifutshane, ngokubanzi ingasetyenziswa ngokuqhubekayo phakathi kwe-240 ° C kunye ne-260 ° C, kwaye inozinzo olubalulekileyo lwe-thermal, inokusebenza kumaqondo obushushu abandayo ngaphandle kwe-embrittlement, kwaye ayinyibiliki kumaqondo aphezulu. .

Ukuthambisa okuphezulu: Yeyona coefficient esezantsi yokukhuhlana kwizinto eziqinileyo. Inowona mlinganiso uphantsi wokukhuhlana (0.04) phakathi kweeplastiki. Ithambile kunomkhenkce.

Ukuxhathisa ukufuma: umphezulu we-PTFE wokugquma awungcoliswanga ngamanzi kunye neoli, kwaye akulula ukunamathela kwisisombululo ngexesha lokusebenza kwemveliso. Ukuba kukho ukungcola okuncinci, kunokususwa ngokusula nje. Ixesha elifutshane lokuphumla ligcina ixesha kwaye liphucula ukusebenza kakuhle.

Ukumelana nokunxiba: Inokumelana nokunxiba okugqwesileyo phantsi komthwalo ophezulu. Ngaphantsi komthwalo othile, uneenzuzo ezimbini zokuxhatshazwa kokugqoka kunye nokungabambeleli.

Ukumelana nomhlwa: i-polytetrafluoroethylene iphantse yakhululeka kuhlaselo lweziyobisi, kwaye inokumelana nazo zonke iiasidi ezomeleleyo (kubandakanya i-aqua aqua), i-oxidants eyomeleleyo, i-oxidants ezomeleleyo, ii-agent zokunciphisa kunye nezinyibilikisi ezahlukeneyo zendalo ukongeza kwisinyithi esinyibilikisiweyo sealkali, imidiya enefluorinated kunye nesodium hydroxide engaphezu kwama-300 ° C, kunye inokukhusela amalungu kulo naluphi na uhlobo lokubola kweekhemikhali.

Ukumelana nokuguga: ukumelana nemitha kunye nokunyanzeliswa okuphantsi: ukubonakaliswa kwexesha elide emoyeni, umphezulu kunye nokusebenza kuhlala kungatshintshi.

Ukungatshi: isalathisi somda we-oxygen singaphantsi kwama-90.

Ukumelana ne-Acid kunye ne-alkali: i-insoluble kwi-acids eqinile, iziseko ezomeleleyo kunye ne-solvents eziphilayo (kubandakanywa ne-magic acid, oko kukuthi, i-fluoroantimonic acid).

Ukunganyangeki kwi-oxidation: Ukumelana nomhlwa zii-oxidants ezinamandla.

I-Insulation: Ukusebenza kombane okugqwesileyo, yeyona nto ifanelekileyo ye-C-class insulation material, umaleko wephephandaba elishinyeneyo unokuthintela uxinzelelo oluphezulu lwe-1500V. I-insulation yayo yombane ayichaphazeli ukushisa. I-dielectric constant kunye ne-dielectric loss iphantsi kwi-wide frequency range, kunye ne-voltage yokuphuka, i-resistivity ye-volume kunye ne-arc resistance iphezulu.

I-Acid-base: ingathathi hlangothi.