Rabara ea nitrile e hlahisoa ke emulsion polymerization ea butadiene le acrylonitrile.Rabara ea Nitrile e hlahisoa haholo ke polymerization ea mocheso o tlase oa mocheso o tlase.E na le khanyetso e ntle ea oli, khanyetso e phahameng ea ho apara, e hanyetsa mocheso o motle le ho khomarela ka matla..Mefokolo ea eona ke ho se tsitse ha mocheso o tlase, ho hanyetsa ozone, thepa ea motlakase e fokolang, le elasticity e tlase hanyane.Rabara ea nitrile e sebelisoa haholo-holo ha ho etsoa lihlahisoa tsa rabara tse sa keneleng oli.1) Selelekela E boetse e bitsoa NBR.Rabara ea maiketsetso e hlahisoang ke copolymerization ea butadiene le acrylonitrile.Ke rabara ea maiketsetso e nang le khanyetso e ntle ea oli (haholo-holo oli ea alkane) le ho hanyetsa botsofali.Ho na le mefuta e mehlano ea dikahare tsa acrylonitrile (%) ka rabara ea nitrile: 42-46, 36-41, 31-35, 25-30, le 18-24.Lintho tse ngata tsa acrylonitrile, ho molemo ho hanyetsa oli, empa ho hanyetsa serame ho tla fokotseha ka tsela e nepahetseng.E ka sebelisoa nako e telele moeeng ho 120°C kapa ka oli ka 150°C.Ntle le moo, e boetse e na le ho hanyetsa metsi hantle, ho tiea ha moea le ts'ebetso e ntle ea bonding.E sebelisoa haholo tlhahiso ea lihlahisoa tse fapaneng tsa rabara tse hananang le oli, likhase tse fapaneng tse hananang le oli, li-gaskets, li-sleeve, liphutheloana tse bonolo, li-hose tse bonolo, lirolara tsa ho hatisa le ho daea rabara, lisebelisoa tsa rabara tsa cable, joalo-joalo, 'me li bohlokoa haholo indastering e joalo ka likoloi. , lifofane, petroleum, le ho kopitsa lintho tse rekerehang.
1. Ts'ebetso Rabara ea Nitrile e boetse e bitsoa rabara ea butadiene-acrylonitrile, e bitsoang NBR, e nang le boima ba molek'hule bo ka bang 700,000.Bosoeu ho isa ho bosehla bo bobebe bo boholo kapa bo bosoeu bo tiileng, boima bo amanang le 0.95-1.0.Rabara ea Nitrile e na le khanyetso e ntle ea oli, ea bobeli feela ho rabara ea polysulfide le rabara ea fluorine, 'me e na le khanyetso e ntle ea ho sesa le ho tiea moea.Bothata ba rabara ea nitrile ke hore ha e hanyetsane le ozone le monko o monate, li-hydrocarbon tse halogenated, li-ketone le li-solvents tsa ester, kahoo ha li tšoanelehe bakeng sa lisebelisoa tsa insulating.Ho hanyetsa mocheso ho molemo ho feta rabara ea styrene-butadiene le neoprene, 'me e ka sebetsa ho 120 ° C nako e telele.Ho thatafala ha moea ho latela rabara ea butyl.Ts'ebetso ea rabara ea nitrile e angoa ke litaba tsa acrylonitrile.Ha litaba tsa acrylonitrile li ntse li eketseha, matla a tsitsitseng, ho hanyetsa mocheso, ho hanyetsa oli, ho ba le moea o thata le ho thatafala hoa eketseha, empa elasticity le ho hanyetsa serame ho fokotseha.Rabara ea Nitrile e na le khanyetso e mpe ea ozone le thepa ea ho kenya motlakase, empa e thibela metsi hantle.
2 Ts'ebeliso ea mantlha ea rabara ea Nitrile e sebelisoa haholo ho etsa lihlahisoa tse hananang le oli, joalo ka liphaephe tse hananang le oli, litheipi, li-diaphragm tsa rabara le mekotla e meholo ea oli, joalo-joalo hangata e sebelisoa ho etsa lihlahisoa tse fapaneng tse manganga oli, joalo ka O- mehele, litiiso tsa oli, likomiki tsa letlalo, li-diaphragm, li-valve, li-bellows, hose ea rabara, litiiso, foam, joalo-joalo, li boetse li sebelisetsoa ho etsa maqephe a rabara le likarolo tse sa tsitsang.
Litlhahiso tsa 3 bakeng sa ho ntlafatsa ts'ebetso ea rabara ea nitrile Ho hanyetsa oli: Ka ho eketsa litaba tsa acrylonitrile, ho hanyetsa oli ea eona ho ka ntlafatsoa, empa ho hanyetsa serame ho tla fokotseha ka tsela e nepahetseng.E ka sebelisoa nako e telele moeeng ho 120°C kapa ka oli ka 150°C.Ntle le moo, e boetse e na le ho hanyetsa metsi hantle, ho tiea ha moea le ts'ebetso e ntle ea bonding.E sebelisoa haholo tlhahiso ea lihlahisoa tse fapaneng tsa rabara tse hananang le oli, likhase tse fapaneng tse hananang le oli, li-gaskets, li-sleeve, liphutheloana tse bonolo, li-hose tse bonolo, lirolara tsa ho hatisa le ho daea rabara, lisebelisoa tsa rabara tsa cable, joalo-joalo, 'me li bohlokoa haholo indastering e joalo ka likoloi. , lifofane, petroleum, le ho kopitsa lintho tse rekerehang.Ho hanyetsa serame ho ntlafetseng le ho hanyetsa mocheso o tlaase: Rabara ea Nitrile e na le ho hanyetsa serame, 'me ho hanyetsa serame ho mpefala le ho eketseha ha lintho tsa acrylonitrile.Ka ho sebelisa rabara ea nitrile e nang le lintho tse fapaneng tsa acrylonitrile le ho lokisa motsoako oa li-anti-botsofali tse fapaneng, li-agent tse matlafatsang le li-plasticizers, motsoako oa rabara oa nitrile o sa batang o nang le ho hanyetsa oli hantle le ho hanyetsa mokhathala o ka fumanoa.
Nako ea poso: Jun-16-2023