Nhoroondo yePolytetraFluoroetherylene yakatanga musi waApril 6, 1938 at du Pont's Jackson Laborattal muNew Jersey. Pazuva iro rombo rakanaka, Dr. Roy J. Plunkett, uyo aive achishanda nemagasi ane chekuita neFreon Frigents

Kuedzwa kwakaratidza kuti iyi yakasimba yaive zvinhu zvinoshamisa. Yakanga iri resin iyo yakadzivisa zvese zvemakemikari anozivikanwa kana solvent; Nzvimbo yayo yakanga ichitsvedza iyo ingangoita chero chinhu chaizonamatira pairi; Unyoro hauna kuzviita kuti uzvipfeke, uye hazvina kushatisa kana kuve brittle mushure mekuratidzwa kwenguva refu kwezuva. Yaive neyakajeka yenyaya ye 327 ° C uye, sekupesana neunoratidzwa kujairika thermoplastics, zvaisazoyerera pamusoro pekunyungudika kwekunyungudika. Izvi zvaireva kuti maitiro matsva ekugadzirisa aifanira kugadzirwa kuti aenderane nehunhu hweiyo itsva resin - iyo du Pont in the teflon.

Kukwereta maitiro kubva powder metallurgy, du Pont mainjiniya akakwanisa kumanikidza uye Sinter PolytetraFluoroetrafluorohylecelene anoisa mumabhuruku anogona kumisikidzwa kuumba chero chimiro chaunoda. Gare gare, kuparadzirwa kweiyo resini mumvura kwakagadziriswa kuCog-jira uye kugadzira enamels. Hupfu hwakagadzirwa hunogona kusanganiswa neine lubricant uye akaendesa kune waya yejasi uye kugadzira tubing.

Pakazosvika 1948, makore gumi mushure mekuwanikwa kwePolytetrafluoroethyle, du Pont yaive kudzidzisa kugadzirisa tekinoroji kune vatengi vayo. Nenguva isipi chirimwa chemutengesi chaive chishanda, uye polytetrafluoroothery ptfees tesins yakava kuwanikwa mukuparadzira, granular resins uye poda yakanaka.

Nei sarudza ptfe hose?

PTFE kana PolytetraFluorootherylene ndechimwe chezvinhu zvakanakisa zvinokonzeresa zvinowanikwa. Izvi zvinogonesa hoses hoses kuti ubudirire mukati megirazi rakawanda remaindasitiri emagetsi emagetsi emagetsi kana masheti akawanda kana maruva anogona kutadza. Vaviri izvi uye uye zvakanakisa tembiricha (-70 ° C kusvika + 260 ° C) uye iwe unoguma uine iyo yakanyanya kujairika hoses inokwanisa kune imwe yenzvimbo dzakaomarara.

Zvivakwa zvisina musoro zvePTFE VANOTI ZVINOGONESESWA KUTI VATSVIRE KUTENGA PAKUTI VANOTENGA VISCOUS ZVINHU ZVINOGONESA. Izvi zvakare zvinopawo kugadzirwa kwakachena-kwakachena uye zvinokonzeresa kugadzira 'liner-tsvimbo' liner