Lesela le koahetsoeng la PTFE , le tsejoang hape e le lesela le koahetsoeng la Teflon kapa lesela le koahetsoeng la PTFE, le tsebahala ka ho hanyetsa mocheso o ikhethang. Sesebediswa sena se sebetsang hantle haholo se ka mamella mocheso o tsotehang, hangata ho tloha ho -70°C ho ya ho 260°C (-94°F ho ya ho 500°F). Leha ho le joalo, ke habohlokoa ho hlokomela hore mocheso o tobileng oa ho hanyetsa o ka fapana ho itšetlehile ka sehlopha se itseng le sebopeho sa ho roala PTFE. Mefuta e meng e tsoetseng pele e ka mamella mocheso ho fihla ho 316°C (600°F) ka nako e khutšoanyane. Mamello ena e tsotehang ea mocheso, e kopantsoeng le thepa ea eona e se nang lithupa le lik'hemik'hale tse hanyetsanang le lik'hemik'hale, e etsa hore lesela le koahetsoeng la PTFE e be thepa ea bohlokoa haholo lits'ebetsong tse fapaneng tsa indasteri, ho tloha ho sebetsa lijo ho ea ho boenjiniere ba sefofane.
![Lesela le koahetsoeng la PTFE]()
Saense e ka Mora PTFE's Temperature Resistance
Sebopeho sa Lik'hemik'hale sa PTFE
Ho hanyetsa mocheso o sa tloaelehang oa PTFE ho tsoa ho sebopeho sa eona se ikhethang sa lik'hemik'hale. E entsoe ka liathomo tsa khabone le fluorine, PTFE e etsa ketane e matla, e nang le mela ea polymer. Li-bond tsa carbon-fluorine li tsitsitse ka mokhoa o ikhethang, li hloka matla a bohlokoa ho robeha. Botsitso bona ba limolek'hule bo fetolela ho hanyetsa mocheso o tsotehang, ho lumella masela a koahetsoeng ke PTFE ho boloka botšepehi ba bona esita le mocheso o phahameng.
Libaka tsa Crystalline le Amorphous
Sebopeho sa PTFE se na le libaka tse peli tsa kristale le amorphous. Libaka tsa kristale li fana ka matla le botsitso bo boholo, ha libaka tsa amorphous li fana ka phetoho. Sebopeho sena se habeli se kenya letsoho ho matla a PTFE a ho mamella mefuta e mengata ea mocheso ntle le ho senya thepa ea eona ea 'mele. Ha mocheso o ntse o eketseha, mohaho oa thepa o fetoha butle-butle, o o lumella ho ikamahanya le maemo ntle le ho hlōleha ka tšohanyetso. Thepa ena e boetse e sebetsa ho Teflon lesela le koahetsoeng , le ruang molemo ka mokhoa o ts'oanang oa ho tiea ha mohaho.
Thermal Decomposition Point
Leha PTFE e ithorisa ka ho hanyetsa mocheso o tsotehang, ho bohlokoa ho utloisisa ntlha ea eona ea ho bola ha mocheso. PTFE e qala ho nyenyefatsa hoo e ka bang 400°C (752°F), e lokolla lintho tse ka bang kotsi. Leha ho le joalo, PTFE barbotage ka masela ka tloaelo ho qala ho lahleheloa ke ho sebetsa hantle pele ntlha ena, ke ka lebaka leo ho kgothaletswa boholo tshebetso mocheso ke haholo tlaase. Ho utloisisa meeli ena ho bohlokoa bakeng sa tšebeliso e sireletsehileng le e sebetsang ea masela a koahetsoeng a PTFE lits'ebetsong tsa mocheso o phahameng.
Lintlha tse Amang Khahlano ea Mocheso oa PTFE Coated Fabrics
Lisebelisoa tsa Lesela la Motheo
Khetho ea lesela la motheo e susumetsa haholo ho hanyetsa mocheso ka kakaretso oa lesela le koahetsoeng la PTFE. Fiberglass ke substrate e tsebahalang ka lebaka la ho hanyetsa mocheso oa tlhaho le botsitso ba sebopeho. Lisebelisoa tse ling tse kang aramid kapa polyester li ka sebelisoa bakeng sa lits'ebetso tse ikhethileng empa ka kakaretso li fana ka khanyetso e tlase ea mocheso. Tšebelisano lipakeng tsa lesela la motheo le coat ea PTFE e etsa qeto ea hore na mocheso o phahameng oa mocheso o sebetsa joang.
Ho roala Botenya le Boleng
Botenya le boleng ba seaparo sa PTFE se bapala karolo ea bohlokoa ho hanyetsa mocheso. Ho roala ho teteaneng ka kakaretso ho fana ka tšireletso e ntle le tšireletso khahlanong le mocheso. Leha ho le joalo, ha se feela ka bongata; boleng ba ho roala, ho kenyelletsa le ho tšoana ha eona le ho khomarela lesela la motheo, le bohlokoa ka ho lekana. Liaparo tsa pele tsa PTFE tse nang le mekhoa e tsoetseng pele li ka fana ka khanyetso e phahameng ea mocheso ha e bapisoa le limaraka tse tloaelehileng, haholo-holo lesela le koahetsoeng la Teflon..
Maemo a Tikoloho
Lintlha tsa tikoloho li ka ama haholo ho hanyetsa mocheso oa masela a koahetsoeng a PTFE. Ho pepesetsoa mahlaseli a kotsi a UV, lik'hemik'hale, kapa khatello ea kelello ea mochini ho ka senya lesela ha nako e ntse e ea, ho fokotsa ho hanyetsa mocheso. Ho feta moo, boteng ba lintho tse itseng kapa lintho tse silafatsang li ka baka ho senyeha ha mocheso o tlase ho feta kamoo ho neng ho lebelletsoe. Ka hona, ho bohlokoa ho nahana ka tikoloho eohle ea ts'ebetso ha u lekola bokhoni ba mocheso oa thepa.
Likopo tse Leveraging PTFE Coated Fabric's Temperature Resistance
Lisebelisoa tsa ho sebetsa ka indasteri
Masela a koahetsoeng ke PTFE a fumana ts'ebeliso e kholo lisebelisoa tsa ts'ebetso ea indasteri, haholo-holo makaleng a sebetsanang le mocheso o phahameng. Litsi tsa ho lokisa lijo li sebelisa mabanta a conveyor a PTFE a khonang ho mamella mocheso oa lionto le li-fryer ha a ntse a boloka litekanyetso tsa polokeho ea lijo. Ts'ebetsong ea lik'hemik'hale, lisebelisoa tse koahetsoeng ke PTFE li sebetsa e le masela a li-reactors le litanka tsa polokelo, tse hanyetsanang le mocheso le lintho tse senyang. Bokhoni ba thepa ea ho sebetsa ka mokhoa o tsitsitseng ho pholletsa le mefuta e mengata ea mocheso bo etsa hore e be ea bohlokoa haholo libakeng tsena tse boima.
Sefofane le Sefofane
Indasteri ea lifofane e itšetlehile haholo ka masela a koahetsoeng a PTFE bakeng sa ho hanyetsa mocheso o ikhethang le boima bo tlaase. Lisebelisoa tsena li sebelisoa ho kenya letsoho sefofaneng, moo li tlamehang ho mamella ho fetoha ho feteletseng ha mocheso pakeng tsa serame se phahameng le mocheso o hlahisoang ke enjene. PTFE e koahetsoeng ka fiberglass e boetse e sebelisoa ho radome - likoahelo tse sireletsang bakeng sa li-antenna tsa radar - ka lebaka la bokhoni ba eona ba ho boloka botšepehi ba sebopeho le pepeneneng ea seea-le-moea ho pholletsa le mefuta e mengata ea mocheso.
Likopo tsa Lekala la Matla
Lefapheng la matla, masela a koahetsoeng ke PTFE a bapala karolo ea bohlokoa lits'ebetsong tse fapaneng tsa mocheso o phahameng. Lisebelisoa tsa matla a letsatsi li sebelisa lisebelisoa tsena sebakeng se phatsimang le ho kenya letsoho, moo li tlamehang ho mamella mocheso o matla le ho pepesehela UV. Ka lifemeng tsa matla a nyutlelie, lisebelisoa tse koahetsoeng ke PTFE li sebelisoa bakeng sa litiiso le li-gaskets, li eketsa ho hanyetsa mocheso oa tsona le ho se sebetse ha lik'hemik'hale. Ho feto-fetoha ha thepa maemong a feteletseng ho etsa hore e be letlotlo la bohlokoa indastering ena ea bohlokoa.
Qetello
PTFE coated lesela la bokhoni bo hlollang ba ho mamella mefuta e fapaneng ya mocheso etsa hore e le thepa ea bohlokoa ka ho fetisisa liindasteri tse ngata. Ho tloha ho -70 ° C ho isa ho 260 ° C, 'me lisebelisoa tse ling li sutumelletsa holimo le ho feta, lesela le koahetsoeng la PTFE le fana ka ts'ebetso e ke keng ea lekanngoa libakeng tse thata tsa mocheso. Sebopeho sa eona se ikhethang sa lik'hemik'hale, se kopantsoeng le khetho e hlokolosi ea thepa le mekhoa ea ho roala, e fella ka boitsebiso bo fapaneng bo bolokang thepa ea eona esita le tlas'a maemo a feteletseng. Ha liindasteri li ntse li tsoela pele ho sutumelletsa meeli ea se ka khonehang, masela a koahetsoeng a PTFE ha ho pelaelo hore a tla bapala karolo ea bohlokoa ho nolofalletsang mahlale a macha le ho ntlafatsa lits'ebetso tse teng.
Iteanye le rona
Bakeng sa masela a koahetsoeng a PTFE a boleng bo holimo a ka mamellang mocheso o feteletseng, se shebe hole Aokai PTFE . Mekhoa ea rona e tsoetseng pele ea tlhahiso le taolo e thata ea boleng e netefatsa hore lihlahisoa tsa rona li finyella litlhoko tse boima ka ho fetisisa tsa indasteri. Fumana melemo ea ho hanyetsa mocheso o phahameng, ho se sebetse ka lik'hemik'hale, le ho tšoarella nako e telele. Ikopanye le rona kajeno ho mandy@akptfe.com ho fumana hore na masela a rona a PTFE a ka phahamisetsa tšebetso ea hau maemong a macha a ts'ebetso le ts'epahalo.
Litšupiso
Johnson, RW (2018). 'Thepa ea Mocheso o Phahameng oa Masela a Apesitsoeng a PTFE ho Lisebelisoa tsa Indasteri.' Journal of Materials Science, 53(12), 8976-8990.
Smith, AL, & Brown, TK (2019). 'Mekhoa ea ho Fokotsa Mocheso oa Fluoropolymers.' Ho senyeha ha Polymer le botsitso, 164, 91-102.
Chen, X., le ba bang. (2020). 'Liaparo tse tsoetseng pele tsa PTFE bakeng sa Tikoloho ea Mocheso o Feteletseng.' Tsoelo-pele ho Organic Coatings, 148, 105831.
Williams, DF, & Thompson, RC (2017). ' PTFE-Coated Fabrics in Aerospace: Performance Under Thermal Stress.' Thepa ea Sefofane le Theknoloji, 29(3), 215-228.
Kumar, S., & Patel, H. (2021). 'Litlhahiso ho PTFE Coated Fabrics bakeng sa Likopo tsa Lekala la Matla.' Litlhahlobo tsa Matla a Tsosolositsoeng le a Moshoelella, 145, 111032.
Anderson, LM, et al. (2022). 'Ts'ebetso ea Nako e telele ea PTFE Coated Fiberglass ho Indasteri Processing Equipment.' Patlisiso ea Chemistry ea Industrial & Engineering, 61(15), 5421-5433.
