Selelekela
Lefapheng la indasteri ea sejoale-joale, thepa ea rabara e fetohile ea bohlokoa ka lebaka la thepa ea eona e ikhethang e kang ho tenyetseha, ho hanyetsa ho tsofala, le ho hanyetsa lik'hemik'hale. Har'a tsena, rabara ea fluorine (FKM) le rabara ea perfluoroether (FFKM) li hlahella e le lirabara tse sebetsang hantle, tse tsebahalang ka ho hanyetsa lik'hemik'hale le mocheso o phahameng. Tlhahlobo ena e felletseng e hlahloba liphapang, lits'ebetso, litšenyehelo, libopeho le thepa ea FKM le FFKM, e reretsoeng ho fana ka temohisiso ea bohlokoa bakeng sa bankakarolo liindastering tse amanang.
Phapang ea Motheo Pakeng tsa Rubber ea Fluorine (FKM) le Rubber ea Perfluoroether (FFKM)
Sebopeho sa Lik'hemik'hale
Phapang ea mantlha pakeng tsa FKM le FFKM e holim'a dibopeho tsa tsona tsa dikhemikhale. FKM ke polymer e nang le fluorine e fokolang e nang le dibopeho tsa carbon-carbon (CC) ketaneng ya yona e kgolo, athe FFKM ke polymer e nang le fluorine ka botlalo e nang le sebopeho sa carbon-oxygen-carbon (COC), e hokahantsweng ke diathomo tsa oksijene (O2). Phapang ena ya sebopeho e bontsha hore FFKM e na le khanyetso e phahameng ya dikhemikhale le mocheso o phahameng ha e bapiswa le FKM.
Khanyetso ea Lik'hemik'hale
Ketane e ka sehloohong ea FFKM, e se nang litlamo tsa carbon-carbon, e fana ka khanyetso e matlafalitsoeng khahlanong le mecha ea lik'hemik'hale. Joalokaha ho bontšitsoe setšoantšong se tsamaeang le eona, matla a tlamo ea litlamo tsa carbon-hydrogen ke a tlase ka ho fetisisa (hoo e ka bang 335 kJ/mol), e leng se ka etsang hore FKM e se sebetse hantle ho li-oxidant tse matla le li-solvent tsa polar ha li bapisoa le FFKM. FFKM e hanela hoo e ka bang mecha eohle ea lik'hemik'hale e tsejoang, ho kenyeletsoa li-acid tse matla, metheo, li-solvent tsa tlhaho le li-oxidant.
Khanyetso ea Mocheso o Phahameng
FFKM e boetse e ipabola ho hanyetsa mocheso o phahameng. Leha mocheso o tsoelang pele oa ts'ebetso oa FKM hangata o pakeng tsa 200-250°C, FFKM e ka mamella mocheso o fihlang ho 260-300°C. Ho tsitsa hona ha mocheso o phahameng ho etsa hore FFKM e lokele haholo lits'ebetso libakeng tse feteletseng.
Masimo a Kopo
Rabara ea Fluorine (FKM)
FKM e sebelisoa haholo masimong a fapaneng ka lebaka la khanyetso ea eona e ntle ea lik'hemik'hale le khanyetso e itekanetseng ea mocheso o phahameng:
- Indasteri ea Likoloi: FKM e sebelisoa ho hlahiseng litiiso, litiiso tsa oli, li-O-ring, le tse ling, haholo-holo lienjeneng le litsamaisong tsa phetisetso.
- Indasteri ea Lik'hemik'hale: FKM e sebelisetsoa ho tiisa liphaephe, li-valve, lipompo le lisebelisoa tse ling ho thibela ho lutla ha lik'hemik'hale.
- Indasteri ea Elektroniki: E sebelisoa bakeng sa ho kenya mocheso lithapong le likhoeleng, haholo-holo libakeng tse nang le mocheso o phahameng le tse senyang lik'hemik'hale.
Rubber ea Perfluoroether (FFKM)
FFKM e sebelisoa masimong a hlokang khanyetso e ikhethang ea lik'hemik'hale le mocheso o phahameng:
- Sefofane: FFKM e sebediswa bakeng sa ditiiso tsa difofane le tsa difofa-sebakeng ho mamella mocheso o feteletseng le dibaka tsa dikhemikhale.
- Indasteri ea Semiconductor: E sebelisoa bakeng sa litiiso tse sebelisoang lisebelisoa tsa tlhahiso ea semiconductor ho thibela ho lutla ha khase ea lik'hemik'hale.
- Indasteri ea Petrochemical: FFKM e sebelisoa bakeng sa litiiso lisebelisoa tse nang le mocheso o phahameng le khatello e phahameng libakeng tsa ho hloekisa oli le lifemeng tsa lik'hemik'hale.
Theko le Litšenyehelo
Litšenyehelo tse phahameng tsa tlhahiso tsa FFKM li fella ka theko e phahameng haholo 'marakeng ha li bapisoa le FKM. Ho rarahana ha thepa e tala ea FFKM le ts'ebetso ea tlhahiso ho eketsa litšenyehelo tsa eona. Leha ho le joalo, ka lebaka la ts'ebetso e ntle ea FFKM libakeng tse feteletseng, theko ea eona e phahameng e loketse lits'ebetsong tse itseng.
Foromo le Tsamaiso
Rabara ea Fluorine (FKM)
Hangata FKM e fanoa e le rabara e tiileng, rabara e kopaneng, kapa likarolo tse entsoeng esale pele. Mekhoa ea eona ea ts'ebetso e kenyelletsa ho etsa compression, extrusion, le ente. FKM e hloka lisebelisoa tse ikhethileng le liparamente tsa ts'ebetso ka lebaka la mocheso oa eona o phahameng oa ts'ebetso.
Rubber ea Perfluoroether (FFKM)
FFKM e boetse e fanoa ka mokhoa oa rabara e tiileng, rabara e kopantsoeng, kapa likarolo tse entsoeng esale pele. Ho hanyetsa ha eona mocheso o phahameng ho hloka mocheso o phahameng oa ts'ebetso le litlhoko tse thata tsa lisebelisoa le ts'ebetso.
Papiso ea Tshebetso
Khanyetso ea Lik'hemik'hale
Ho hanyetsa lik'hemik'hale ha FFKM ho betere haholo ho feta ha FKM. FFKM e hanyetsa hoo e ka bang lik'hemik'hale tsohle tse tsebahalang, ho kenyeletsoa le li-acid tse matla, metheo, li-solvent tsa tlhaho le li-oxidant. Leha FKM e boetse e fana ka khanyetso e ntle ea lik'hemik'hale, ha e sebetse hantle ho li-oxidant tse ling tse matla le li-solvent tsa polar ha li bapisoa le FFKM.
Khanyetso ea Mocheso o Phahameng
Khanyetso e phahameng ea FFKM e phahametse ea FKM. Mocheso o tsoelang pele oa ts'ebetso oa FKM hangata ke 200-250°C, ha FFKM e ka fihla ho 260-300°C. Ho tsitsa hona ha mocheso o phahameng ho etsa hore FFKM e sebetse haholo libakeng tse feteletseng.
Tshebetso ea Mekaniki
FKM le FFKM ka bobeli li na le thepa e ntle ea mechine, ho kenyeletsoa le ho tenyetseha ho hoholo, ho hanyetsa ho tsofala le ho hanyetsa ho taboha. Leha ho le joalo, thepa ea mechine ea FFKM e tsitsitse haholoanyane mochesong o phahameng, e leng se etsang hore e tšepahale haholoanyane lits'ebetsong tsa mocheso o phahameng.
Litebello tsa 'Maraka
Ka tsoelo-pele e tsoelang pele ea theknoloji ea indasteri, tlhoko ea thepa ea rabara e sebetsang hantle e ntse e eketseha. FKM le FFKM li na le menyetla e mengata ea ts'ebeliso masimong a fapaneng ka lebaka la ts'ebetso ea tsona e ntle haholo:
- Indasteri ea Likoloi: Nts'etsopele ea likoloi tse ncha tsa eneji e eketsa tlhoko ea litiiso tse hanelang mocheso o phahameng le tse hanelang mafome ka lik'hemik'hale, e leng se eketsang ts'ebeliso ea FKM le FFKM.
- Indasteri ea Lik'hemik'hale: Ho fapana le ho rarahana ha lihlahisoa tsa lik'hemik'hale ho eketsa tlhoko ea litiiso tse hanyetsanang le lik'hemik'hale, e leng se eketsang ts'ebeliso ea FKM le FFKM.
- Indasteri ea Lisebelisoa tsa Elektronike: Ho fokotsa matla a motlakase le ts'ebetso e phahameng ea lisebelisoa tsa elektroniki li eketsa tlhoko ea lisebelisoa tse thibelang mocheso tse hanelang mocheso o phahameng le mafome a lik'hemik'hale, e leng se eketsang ts'ebeliso ea FKM le FFKM.
Qetello
Rabara ea fluorine (FKM) le rabara ea perfluoroether (FFKM), e le baemeli ba rabara tse sebetsang hantle, li na le menyetla e mengata ea ts'ebeliso masimong a fapaneng ka lebaka la khanyetso ea tsona e ntle ea lik'hemik'hale le khanyetso ea mocheso o phahameng. Leha FFKM e le theko e boima, ts'ebetso ea eona e ikhethang libakeng tse feteletseng e e fa monyetla o ke keng oa nkeloa sebaka lits'ebetsong tse itseng. Ka tsoelo-pele e tsoelang pele ea theknoloji ea indasteri, tlhoko ea thepa ea rabara e sebetsang hantle e tla lula e eketseha, 'me menyetla ea' maraka ea FKM le FFKM e pharaletse.
Nako ea poso: Phuptjane-24-2025