Selelekela
Lefapheng la indasteri ea sejoale-joale, lisebelisoa tsa rabara li fetohile tsa bohlokoa haholo ka lebaka la thepa ea tsona e ikhethang joalo ka elasticity, ho hanyetsa le ho hanyetsa lik'hemik'hale. Har'a tsena, rabara ea fluorine (FKM) le rabara ea perfluoroether (FFKM) li hlahella e le li-rabara tse sebetsang hantle, tse tsebahalang ka lik'hemik'hale tse phahameng le tse hanyetsanang le mocheso o phahameng. Tlhahlobo ena e felletseng e shebana le liphapano, lits'ebetso, litjeo, liforomo le thepa ea FKM le FFKM, ka sepheo sa ho fana ka lintlha tsa bohlokoa bakeng sa bankakarolo liindastering tse amanang.
Phapang ea Motheo lipakeng tsa Rabara ea Fluorine (FKM) le Perfluoroether Rubber (FFKM)
Sebopeho sa Lik'hemik'hale
Phapang ea mantlha lipakeng tsa FKM le FFKM e ka har'a sebopeho sa bona sa lik'hemik'hale. FKM ke polymer e nang le karolo e 'ngoe ea fluorinated e nang le li-carbon-carbon bond (CC) ka har'a ketane ea eona e kholo, athe FFKM ke polima e nang le fluorinated ka ho feletseng e nang le sebopeho sa carbon-oxygen-carbon (COC), se kopantsoeng ke liathomo tsa oksijene (O). Phapang ena ea sebopeho赋予FFKM e phahameng ea lik'hemik'hale le mocheso o phahameng oa ho hanyetsa ha o bapisoa le FKM.
Khanyetso ea Lik'hemik'hale
Ketane e kholo ea FFKM, e se nang li-bond tsa carbon-carbon, e fana ka khanyetso e matlafalitsoeng ho mecha ea litaba ea lik'hemik'hale. Joalokaha ho bontšitsoe setšoantšong se tsamaeang le sena, matla a bond ea carbon-hydrogen bonds ke a tlaase ka ho fetisisa (hoo e ka bang 335 kJ / mol), e ka etsang hore FKM e se ke ea sebetsa hantle ka li-oxidants tse matla le li-solvents tsa polar ha li bapisoa le FFKM. FFKM e hanana le hoo e batlang e le mecha ea litaba ea lik'hemik'hale e tsebahalang, ho kenyelletsa le li-acid tse matla, li-bases, li-solvents le li-oxidants.
Ho hanyetsana le Mocheso o Phahameng
FFKM e boetse e ipabola ka ho hanyetsa mocheso o phahameng. Leha mocheso o tsoelang pele oa ts'ebetso oa FKM hangata o tloha ho 200-250 ° C, FFKM e khona ho mamella mocheso ho fihla ho 260-300 ° C. Botsitso bona bo phahameng ba mocheso bo etsa hore FFKM e tšoanelehe ka ho khetheha bakeng sa lits'ebetso tse maemong a feteletseng.
Libaka tsa Kopo
Rabara ea Fluorine (FKM)
FKM e sebelisoa haholo mafapheng a fapaneng ka lebaka la khanyetso ea eona e ntle ea lik'hemik'hale le ho hanyetsa mocheso o phahameng:
- Indasteri ea Likoloi: FKM e hiriloe ho etsa litiiso, litiiso tsa oli, li-O-rings le tse ling, haholo lienjineng le lits'ebetsong 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 mecha ea litaba ea lik'hemik'hale.
- Indasteri ea Elektronike: E sebelisoa bakeng sa likarolo tsa ho koala lithapo le lithapo, haholo-holo libakeng tse nang le mocheso o phahameng le tse senyang lik'hemik'hale.
Perfluoroether Rubber (FFKM)
FFKM e hiriloe masimong a hlokang khanyetso e matla ea lik'hemik'hale le mocheso o phahameng:
- Aerospace: FFKM e sebelisoa bakeng sa litiiso lifofaneng le lifofeng ho mamella mocheso o feteletseng le tikoloho ea lik'hemik'hale.
- Indasteri ea Semiconductor: E sebelisetsoa ho tiisa lisebelisoa tsa tlhahiso ea semiconductor ho thibela ho lutla ha khase ea lik'hemik'hale.
- Indasteri ea Petrochemical: FFKM e sebelisoa bakeng sa litiiso tsa mocheso o phahameng le lisebelisoa tse nang le khatello e phahameng libakeng tsa ho hloekisa oli le limela tsa lik'hemik'hale.
Theko le Litšenyehelo
Theko ea tlhahiso ea FFKM e batlang e le holimo e fella ka theko e holimo haholo ea 'maraka ha e bapisoa le FKM. Ho rarahana ha thepa e tala ea FFKM le tšebetso ea tlhahiso ho nyolla litšenyehelo tsa eona. Leha ho le joalo, ka lebaka la ts'ebetso e ntle haholo ea FFKM maemong a feteletseng, theko ea eona e phahameng e ka lokafatsoa lits'ebetsong tse itseng.
Foromo le Tshebetso
Rabara ea Fluorine (FKM)
FKM hangata 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 bopa ha compression, extrusion, le molding ea ente. FKM e hloka lisebelisoa tse khethehileng le liparamente tsa ts'ebetso ka lebaka la mocheso oa eona o batlang o le holimo.
Perfluoroether Rubber (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 ho sebetsa le lisebelisoa tse thata le litlhoko tsa ts'ebetso.
Papiso ya Tshebetso
Khanyetso ea Lik'hemik'hale
Khanyetso ea lik'hemik'hale ea FFKM e ntle haholo ho feta ea FKM. FFKM e hanana le hoo e batlang e le mecha ea litaba ea lik'hemik'hale e tsebahalang, ho kenyelletsa le li-acid tse matla, li-bases, li-solvents le li-oxidants. Leha FKM e boetse e fana ka khanyetso e ntle ea lik'hemik'hale, ha e sebetse hantle linthong tse ling tse matla tsa oxidant le li-solvents tsa polar ha li bapisoa le FFKM.
Ho hanyetsana le Mocheso o Phahameng
Khanyetso ea mocheso o phahameng oa FFKM e phahametse ea FKM. Mocheso o tsoelang pele oa ts'ebetso oa FKM hangata ke 200-250 ° C, ha FFKM e ka fihla 260-300 ° C. Botsitso bona bo phahameng ba mocheso bo etsa hore FFKM e sebelisoe haholo libakeng tse feteletseng.
Ts'ebetso ea Mechini
Ka bobeli FKM le FFKM li na le thepa e ntle ea mochini, ho kenyelletsa le elasticity e phahameng, ho hanyetsa ho roala, le ho hanyetsa meokho. Leha ho le joalo, thepa ea mechine ea FFKM e tsitsitse haholoanyane mochesong o phahameng, e leng se etsang hore e tšepahale ho lisebelisoa tse phahameng tsa mocheso.
Litebello tsa 'Maraka
Ka tsoelopele e tsoelang pele ea theknoloji ea indasteri, tlhoko ea lisebelisoa tsa rabara tse sebetsang hantle e ntse e eketseha. FKM le FFKM li na le menyetla e pharaletseng ea ts'ebeliso makaleng a fapaneng ka lebaka la ts'ebetso ea tsona e ntle haholo:
- Indasteri ea Likoloi: Nts'etsopele ea makoloi a macha a matla e eketsa tlhokahalo ea litiiso tse hanyetsanang le mocheso o phahameng le lik'hemik'hale tse sa jeng, e leng ho eketsang ts'ebeliso ea FKM le FFKM.
- Indasteri ea Lik'hemik'hale: Phapang le ho rarahana ha lihlahisoa tsa lik'hemik'hale li eketsa tlhoko ea litiiso tse hanyetsanang le lik'hemik'hale, 'me li ntse li atolosa ts'ebeliso ea FKM le FFKM.
- Indasteri ea Elektronike: The miniaturization le ts'ebetso e phahameng ea lisebelisoa tsa elektroniki li eketsa tlhokahalo ea thepa e sireletsang e hanyetsanang le mocheso o phahameng le ho bola ha lik'hemik'hale, e ntse e eketsa ts'ebeliso ea FKM le FFKM.
Qetello
Fluorine rabara (FKM) le rabara ea perfluoroether (FFKM), e le baemeli ba li-rubber tse sebetsang hantle, ba na le tebello e pharaletseng ea kopo libakeng tse sa tšoaneng ka lebaka la ho hanyetsa lik'hemik'hale tse ntle haholo le ho hanyetsa mocheso o phahameng. Leha FFKM e batla e le theko e phahameng, ts'ebetso ea eona e ikhethang maemong a feteletseng e e fa monyetla o ke keng oa nkeloa sebaka lits'ebetsong tse ling. Ka tsoelopele e tsoelang pele ea theknoloji ea indasteri, tlhoko ea lisebelisoa tsa rabara e sebetsang hantle e tla lula e eketseha, 'me litebello tsa mmaraka tsa FKM le FFKM li pharalletse.
Nako ea poso: Jun-24-2025