Polytetrafluoroethylene ko PTFE (wanda aka fi sani da polymer) wani nau'in fluoropolymer ne na hauren giwa-fari na musamman mai iya jurewa;An yi shi ta hanyar polymerisation na free-radical na yawancin kwayoyin tetrafluoroethene, kuma ya dace da aikace-aikace masu yawa a cikin masana'antu daban-daban kamar sararin samaniya, masana'antun abinci da abin sha, magunguna da telecoms.
Samar da AFT Fluorotec a cikin sanduna ko bututu na kowane girman, ko cike da gilashi, carbon, bakin karfe ko wasu kayan da yawa don haɓaka juriya da ƙarfi, duk abin da aikinku ko ginawa, tabbas muna da kayan da za su yi aiki a gare ku. .
BABBAN DUKIYARKI NA PTFE Idan kuna ƙoƙarin ƙirƙira wani abu mai sassauƙa, juriya na sinadarai, juriya na thermal, mara ƙarfi da juriya na lantarki, kuma ba a riga an yi shi ba, kuna fatan za ku iya fito da wani abu a wani wuri. Kusan yana da kyau kamar PTFE a waɗannan yankuna.
Matsakaicin narkewar PTFE yana kusa da 327°C, kuma PTFE mai tsafta kusan gabaɗaya ce ta sinadarai, ba ta da ƙarfi sosai a yawancin kaushi ko sinadarai, kuma tana da ƙarfi sosai da za a yi amfani da ita tsakanin -200 digiri C da +260 digiri C ba tare da ƙasƙantar da kai ba.
Sauran kaddarorin PTFE masu amfani sune babban ƙarfin sassauƙansa, ko da a cikin ƙananan yanayin zafi, ƙarfin ƙarfin lantarki da ƙarfin dielectric, juriya ga ruwa (saboda girman electronegativity na fluorine), da ƙarancin ƙima na gogayya.Yawan PTFE kuma yana da girma sosai, a 2200 kg/m3.
A zahiri, bayan amsawa ga wasu abubuwan sinadarai da abubuwan kaushi (misali, chlorine trifluoride, cobalt (III) fluoride, xenon difluoride ko fluorine na farko idan a babban matsin lamba da zafin jiki), kawai abin da za a yi la’akari da shi yayin amfani da PTFE shine cewa ba shi da kyakkyawar juriya ga babban hasken makamashi, wanda zai haifar da rushewar kwayoyin PTFE.
GASKIYA KYAUTA PTFE Baya ga tsantsar PTFE, akwai wasu co-polymer guda biyu waɗanda suke daidai da amfani kamar PTFE, amma tare da wasu kaddarorin daban-daban.
PFA ko Perfluoroalkoxy yana da kaddarorin kama da PTFE a cikin cewa yana da juriya ta sinadarai, sassauƙa da kwanciyar hankali (tare da ci gaba da amfani har zuwa 260 digiri C), amma yayin da PTFE yana da wasu halaye na creep, PFA yana da juriya kuma yana da kyau ga narke-aiki, allura gyare-gyare, extrusion, matsawa gyare-gyare, busa gyare-gyare, da canja wurin gyare-gyare.
TFM, wanda aka sani da PTFE-TFM, polytetrafluoroethylene ne tare da perfluoropropylvinylether azaman ƙarin gyare-gyare, yana ba da abu mai ƙarfi wanda yake da ƙarfi, kuma mai juriya kamar PFA, kuma mai walƙiya.FILLED PTFEPure ko budurwa PTFE na iya zama mara kyau a ƙarƙashin kaya, amma yin amfani da filaye na iya taimakawa da wannan, kodayake ya kamata a lura cewa ba duk PTFE da aka cika ba ya dace da amfani da abinci.
Ƙara filler zuwa PTFE na iya ƙara ƙarfinsa, inganta juriya ga abrasion, ƙara ƙarfin lantarki da ƙari;duk da haka, ƙara filler kuma na iya rage wasu fa'idodin PTFE masu fa'ida, kamar juriya na sinadarai waɗanda za a iyakance ta na filler.
Fillers da aka yi amfani da su na iya zuwa daga gilashi a cikin kaso daban-daban, bakin karfe, molybdenum disulphide, carbon ko graphite, dangane da waɗanne kaddarorin ne za a inganta.
AMFANI DA AMFANIN AMFANI DA PTFEBabban fa'idar PTFE ita ce versatility, kuma kewayon aikace-aikace akan samfuran da yawa da masana'antu daban-daban na wannan kayan yana da ban mamaki.
Yin amfani da PTFE na iya samun fa'ida mai yawa a masana'antu da injiniyanci, ba kawai a cikin kera bututu ko layin layi don sarrafawa ko adana sinadarai masu lalata ba, amma ta hanyar suturar sassa kamar bearings ko sukurori don haɓaka rayuwar duka sassan da kansu da injinan da suke. wani bangare na.
A PTFE mai rufi dunƙule zai zama resistant zuwa lalata, saboda PTFE ta ikon tunkude ruwa da mai, da kuma lubricated da kayan don smoothly fitar da duk wani surface da kake lazimta zuwa, tare da rage gogayya, sakamakon da kasa lalacewa a kan duka dunƙule da kuma. saman, da kuma tsayin daka, mafi amintaccen gamawa.
Har ila yau, juzu'i da lalacewa na iya zama dalilai tare da bearings, kuma gashin PTFE na iya ba da fa'idodi iri ɗaya kamar tare da sukurori, tare da ƙarin fa'ida cewa murfin kuma zai kasance mai jurewa zafi.
A bayyane yake cewa ɗorewa, sassa masu aiki mafi girma na iya ƙara haɓakar kowane injin, rage buƙatar ci gaba da samun ɓangarorin maye gurbin, duka ajiyar kuɗi da lokacin da ake buƙata don dacewa da maye gurbin, da kuma rage ɓarna.Wannan kuma zai rage buƙatun kulawa kamar yadda ake samun ƙarancin lahani tare da kayan aiki, da kuma ragewa sosai, ko ma kawar da duk wani lokaci mai tsadar gaske na masana'anta saboda kuskure ko gyara.
Hakanan za'a iya rage yawan tsaftace kayan aiki a wasu lokuta kamar yadda rigar PTFE ba ta jika ba, yana sauƙaƙe tsaftacewar sassa.
Kuma polymer yadin da aka gama na iya ma taimakawa yanayin, saboda, lokacin da aka yi amfani da shi a kan masana'anta, ƙarshen zai kori ruwa da tabon mai, rage buƙatar yin amfani da tsaftacewa mai bushe, kuma yadudduka kuma za su bushe da sauri, ta yin amfani da ƙananan makamashi tare da bushewa, da kuma bushewa. dadewa saboda rage lalacewa.
Tare da ƙarin fa'idodin cewa PTFE ba mai guba ba ne, yana da ƙaramin ƙin yarda ga ɗan adam daga zazzabin polymer fume (kawai idan zafin kowane kwanon rufin polymer ya kai digiri 260 C) kuma an amince da FDA kuma yana da aminci ga abinci, wannan abu da gaske. yana da matukar fa'ida a fagage daban-daban.AMFANIN SHA'AWA NA PTFEA da kuma rufe komai daga kwanon rufi zuwa bearings, PTFE kuma ana amfani da shi don dakatar da hawan kwari daga bango kamar yadda kayan ba su da tsayi' wanda kwari (har ma da geckos) ba su iya kamawa. Ana amfani da polymer akai-akai azaman wani shafi akan catheters don hana ƙwayoyin cuta da cututtuka kuma ana amfani dashi azaman kayan dasawa a tiyata.
Za ku ji labarin Gore-Tex, kuma PTFE ce kuma, wannan lokacin a matsayin sirara, membrane mai laushi don sanya ruwan sama mai numfashi, ko don dasa shuki na likita, wiring insulation da sealants.
Da yake la'akari da cewa an gano PTFE ta hanyar haɗari mai farin ciki a cikin 1938, yana da wuya a yi tunanin duniyarmu a yau ba tare da shi ba.
Idan kuna sha'awar amfani da PTFE don kowane ɗayan ayyukanku, ko kuma idan kuna son neman ƙarin bayani game da kaddarorin PTFE, da fatan za ku tuntuɓi kuma za mu yi farin cikin yin magana da ku ta hanyar zaɓuɓɓukanku.
Lokacin aikawa: Mayu-30-2020