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Ozone Aging Resistance of PTFE High-Mocheso Lesela

Maikutlo: 0     Mongoli: Nako ea Phatlalatso ea Mohlophisi oa Sebaka: 2026-04-30 Tšimoloho: Sebaka

Botsa

Jiangsu Aokai New Materials, moetsi ea hloahloa le feme ea mohloli oa lesela la mocheso o phahameng oa PTFE, o u fa kenyelletso e qaqileng. Polytetrafluoroethylene (PTFE) e koahetsoeng ka lesela la fiberglass e na le ho se sebetse hantle ha lik'hemik'hale 'me ka kakaretso e fana ka khanyetso e ikhethang ea botsofali ba ozone. Leha ho le joalo, ha e sireletsehe ka ho feletseng ho khoholeho ea ozone, 'me ts'ebetso ea eona ka kakaretso e ameha haholo ke mahloriso a ozone, mocheso o potolohileng, nako e tsoelang pele ea ho pepeseha le lintho tse ling tse ka ntle.

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Ka lebaka la sebopeho sa eona se ikhethang sa limolek'hule, PTFE e bonts'a khanyetso e matla ea ozone tlasa maemo a tloaelehileng. Bond e tletseng fluorinated carbon-fluorine (CF) e na le matla a bond a phahameng haholo a ka bang 485 kJ/mol. Ho sa le joalo, sebopeho sa eona sa spiral molecular se etsa thebe e sireletsang ea liathomo tsa fluorine, e thibelang li-oxidants tse matla tse kang ozone ho hlasela ketane ea mantlha ea limolek'hule tsa carbon-carbon (CC).

Leha ho le joalo, ozone e ka fetola haholo sebopeho sa bokaholimo ba PTFE mme ea baka letoto la liphetoho tsa lik'hemik'hale le tsa 'mele. Liphuputso li bontšitse hore PTFE e pepesehetse ozone e na le coefficient ea khohlano e ka bang makhetlo a mararo ho feta sebakeng se tloaelehileng sa moea, se tsamaeang le matšoao a hlakileng a ho apara. Sena se bakoa haholo-holo ke ozone-induced surface oxidation, ho robeha ha limolek'hule tsa bond le ho nolofatsa lintho.

Ka ho pepesehela ozone ka nako e telele, haholo-holo tlas'a maemo a thata a ho sebetsa a kang mocheso o phahameng le mocheso o phahameng oa ozone, lesela la mocheso o phahameng oa PTFE le tla tsoela pele butle-butle ho tloha tšenyo e nyenyane ho ea ho ho hlōleha ha macroscopic, ka lipontšo tse itseng tsa ho hlōleha ka tsela e latelang:

Ho robeha le ho senyeha ha ketane ea molek'hule Ozone e pshatla liketane tsa CC molecular PTFE 'me e hlahisa likaroloana tse nyenyane tsa molek'hule tse kang carbon tetrafluoride (CF₄) le carbonyl fluoride (COF₂). Sena se lebisa ho fokotseng boima ba limolek'hule le ho senyeha ha ts'ebetso ea mantlha ea thepa.

Ho petsoha ha bokaholimo le botsofali Ke ntho e makatsang ka ho fetesisa ea botsofali. Thepa e lahleheloa ke maemo a holimo 'me e hlahisa mapetsong a khanyang a marang-rang tlas'a khatello ea kelello, e leng ho phatloha ha ozone. Lesela le fetoha le thata le le brittle, 'me botsofali bo matla bo tla baka ho senya le ho senya sebopeho.

Ho fokotseha ha thepa ea mochini Ho senyeha ha thepa ho tsoela pele ho fokotsa matla a tsitsitseng, bolelele nakong ea khefu, elasticity le matšoao a mang a mantlha a mochini. Ka mor'a moo, ho phunyeha ha holim'a metsi, ho phunya le ho fokotsa botenya ho tla fokolisa khanyetso ea moaparo le botsitso ba sebopeho.

Ho senyeha ha thepa ea bokaholimo Tšenyo ea sebopeho sa lik'hemik'hale e fetola maemo a bohlokoa joalo ka matla a holim'a metsi le angle ea ho koloba. Mapetsong a microscopic le li-pores tse entsoeng ke khoholeho ea ozone li tla hola ka boholo, li fokolise haholo ts'ebetso ea ho tiisa le ho itšehla thajana.

Ho hanyetsa ozone ha lesela la mocheso o phahameng oa PTFE ha ho khethoe feela ke thepa ea motheo ka boeona. Mocheso oa tikoloho, liphello tsa botsofali tse kopantsoeng le maemo a mang a ka ntle le tsona li phetha karolo ea bohlokoa bophelong ba eona ba tšebeletso.

Mocheso o phahameng o potlakisa haholo ho senyeha ha ozone. Tlas'a maemo a phahameng a mocheso, oxidation e matla ea ozone e matlafatsa ho senyeha ha ketane ea molek'hule ea PTFE. Ka hona, moeli oa nako e telele oa mocheso oa tšebeletso oa lihlahisoa tsa PTFE o theoha haholo ho tloha 260 ℃ moeeng o tloaelehileng ho ea ho 200 ℃-220 ℃ ho ozone le libaka tse matla tsa khase ea oxidizing.

Ho na le phello ea botsofali ea synergistic  lipakeng tsa ozone le mahlaseli a ultraviolet. Maemong a kantle, ho kopana ha mahlaseli a UV le ozone ho hlahisa tšenyo e kholo ho feta ea ntho e le 'ngoe.

Ho phaella moo, boleng ba sehlahisoa bo fapana ho ea ka moetsi. Phapang mekhoeng ea tlhahiso, botenya ba ho roala le moralo oa foromo (joalo ka ho eketsoa ha li-anti-oxidant stabilizers) ho tla lebisa ho likheo tse hlakileng tsa ho hanyetsa ozone ka nako e telele har'a lihlahisoa tse fapaneng tsa PTFE tse nang le mocheso o phahameng oa mocheso.


Mekhoa e Sebetsang ea ho Ntlafatsa Khahlano le Botsofali ba Ozone

1. Eketsa li-antioxidants tse sebetsang hantle haholo le li-stabilizer tse bobebe ho foromo ea PTFE ho hapa li-radicals tsa mahala le ho liehisa ho senyeha ha oxidative.

2. Amohela kalafo e hlophisitsoeng ea phetoho ea bokaholimo ho theha lera le ts'ireletso le matlafatsang ho hanyetsa khoholeho ea khase.

3. Ntlafatsa maemo a sebele a ts'ebeliso: laola mocheso o sebetsang o ka tlase ho 200 ℃, 'me u qobe ts'ebeletso ea nako e telele libakeng tse nang le ozone e phahameng haholo le mahlaseli a matla a ultraviolet.

Kakaretso

PTFE lesela la mocheso o phahameng oa mocheso le sebetsa ka mokhoa o tsitsitseng le o babatsehang mocheso oa kamore le khatello e tlaase ea ozone. Leha ho le joalo, ho senyeha ha oxidative, ho phatloha ha bokaholimo, ho putlama le ho theoha ho felletseng ha ts'ebetso ho tla etsahala maemong a mocheso o phahameng, oa ozone kapa tikoloho e thata e kopantsoeng le UV. Taolo e utloahalang ea tikoloho le phetoho ea thepa e ka fokotsa botsofali ka katleho le ho atolosa haholo bophelo ba nako e telele ea tšebeletso ea sehlahisoa.

Litaba tsa tekheniki tse kaholimo li fanoe ke Jiangsu Aokai New Materials Technology Co., Ltd.

Haeba o hloka lisebelisoa tse ling tsa tekheniki, litharollo tsa ts'ebeliso le lits'ebeletso tse ikhethileng bakeng sa lihlahisoa tsa rona tse felletseng, ho kenyeletsoa lesela la mocheso o phahameng oa PTFE, tepi ea sekhomaretsi e phahameng ea mocheso oa PTFE, lebanta la conveyor la PTFE, lebanta la mochini o tlamellang, lesela le nang le lehlakore le le leng la fluorine, lesela le koahetsoeng ka fluorine, lesela le nang le mocheso o phahameng o sa keneleng mocheso, ka kopo, ikutloe u lokolohile ho ikopanya le rona.

·  Monghali Guo: +86 18944819998

·  Monghali Liu: +86 13705266308

Re lula re latela filosofi ea khoebo ea botsebi le bots'epehi, 'me re fana ka litharollo tsa indasteri e le 'ngoe le tšebeletso e nahanelang ka mor'a thekiso bakeng sa bareki ba lefats'e.

Tlhahiso ea lihlahisoa

Sehlahisoa Botsa
Lintho tse Ncha tsa Jiangsu Aokai
AoKai PTFE ke setsebi PTFE Coated Fiberglass Fabric Manufacturers le barekisi ba Chaena, ba khethehileng ka ho fana ka PTFE Adhesive Tape, PTFE Lebanta la Conveyor, PTFE Mesh Belt Ho reka kapa ho rekisa lihlahisoa tsa lesela la fiberglass tse koahetsoeng ka PTFE . Bophara bo bongata, botenya, mebala e fumaneha ka mokhoa o ikhethileng.

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