Hydrogenated nitrile rubber (HNBR) e sebelisoa haholo-holo lits'ebetsong tse hlokang thepa e matla le e tlaase ea mocheso le ho thibela botsofali hantle, ka mor'a ho ruruha ka oli le mokelikeli Ka mor'a ho ruruha ka oli le maro, HNBR e sebelisoa haholo-holo lits'ebetsong tse hlokang thepa e matla e phahameng le e tlaase le ho hanyetsa botsofali hantle. Lisebelisoa tse tloaelehileng tse hlokang thepa ena ke mabanta a nako, li-hose tsa khatello e phahameng le meqolo ea pampiri. Lihlahisoa tsa rabara tse sebelisoang li tlas'a maemo a boima haholo 'me hangata li ba le ts'oaetso ka mefuta e mengata ea mocheso le maqhubu. Liteko tse tloaelehileng tse sebelisetsoang ho khetholla thepa e matla ea thepa hangata li etsoa ka mocheso oa kamore.
Le ha liteko tsena li ka bonts'a lisebelisoa tse sa tlatsoang hantle, litekanyo lithempereichara tse tikolohong ha li bonts'e litlamorao tsa mocheso tšebelisanong ea li-filler-monomer. litšebelisano tsa li-filler le filler-polymer le phello ea tsona ho thepa ea thepa ka mocheso o phahameng haholo. Bakeng sa li-polymers tse etselitsoeng ka ho khetheha bakeng sa ts'ebeliso ea mocheso o phahameng, kutloisiso ea phello ea mocheso ho thepa ea tekheniki ea thepa ea hlokahala bakeng sa ts'ebetso e nepahetseng ea motsoako.
Ka pampiri ena, phello ea mocheso ho thepa ea tekheniki ea liraba tse tlatsitsoeng e ea hlahlojoa, ho tsepamisitsoe mofuta oa ho tlatsa, tekanyo ea eona, le tšebelisano ea ho tlatsa ka HNBR le hydrogenated carboxylated nitrile butadiene rubber (HXNBR) polymers.
Bakeng sa morero ona, pampiri ena e bapisa ho matlafatsa (N330) le ho se matlafatse (N990) carbon blacks le silika (VulcasilN). Bokaholimo ba silika bo ka fetoloa ka mokhoa o ikhethileng (filler surface hydrophobic) le ka mafolofolo (filler surface hydrophobic mme e kopantsoe le polymer). Palo e ntseng e eketseha ea metsoako e boetse e sebelisa li-filler tsa monomeric, tse kang zinc diacrylate (ZAD), tse ka etsoang polymerized in situ nakong ea vulcanization ho ntlafatsa thepa ea thepa. 'Li-filler' tsena tse ncha le tšebelisano ea tsona le polymer matrix ha li e-so ithutoe ho latela maemo a mocheso le makhetlo a mangata. 'Li-filler' tse ncha le tšebelisano ea tsona le matrix a polymer ha li so ithutoe ho latela mocheso le thepa e itšetlehileng ka makhetlo.
Ho ipapisitsoe le thepa ea mochini le e matla ea metsoako ea HNBR e senyehileng le e sa hlahisoang, li-filler tse fapaneng (carbon black, silica le ZDA) li ile tsa sekasekoa bakeng sa ho tlatsoa. le ZDA) tse tlatsitsoeng liraba tse tloaelehileng tsa HNBR le HXNBR li ile tsa hlahlojoa mabapi le ho itšetleha ka mocheso oa thepa ea ho matlafatsa.
Ho fokotseha ha modulus ka mocheso o ntseng o eketseha bakeng sa liraba tsohle tse sa tsitsang (ntle le tsamaiso e tletseng silika) ke phello ea ho itšetleha ha mocheso oa viscosity ea polymer matrix. Mofuta le palo ea ho tlatsa setlankaneng se etsa qeto feela ea tekanyo ea matlafatso 'me ha e na phello ho theoho e itšetlehileng ka mocheso ho modulus ea binder.
Bakeng sa li-adhesives tse tletseng silika, ho kopana ha likaroloana tsa silika ho etsa qeto ea boitšoaro bo itšetlehileng ka mocheso. Haeba sebaka sa silika se tšoaroa ka phekolo ea silica alkane ho finyella hydrophobicity, ho kopana ha likaroloana tsa silika ho thibetsoe. Libakeng tse kholo tsa deformation amplitudes, matlafatso ea metsoako eohle ea carbon black le silica e tlatsitsoeng e ka hlalosoa e le hydrodynamic reinforcement feela.
Haeba ZDA e sebelisoa e le ho tlatsa, ha ho na phello e matlafatsang e bonoang ka har'a metsoako ea rabara e sa hlahisoang hobane ZDA ha e e-s'o be le polymerized mme e sebetsa feela e le polasetiki e tlaase ea molek'hule ea boima ba 'mele. Lik'hemik'hale tse nang le ZDA li ne li e-na le li-viscosity tse tlaase ho mefuta eohle, tse bontšang thepa e ntle ea ho sebetsa.
Papiso ea lisebelisoa tse matla tsa mechine le khatello ea khatello ea maikutlo ea rabara e nang le vulcanized e bontšitse hore motsoako oa rabara oa HXNBR o tletseng ZDA o ne o e-na le matla a mangata a tlatselletsang Matla le lisebelisoa tse phahameng ka ho fetisisa tsa mechine (khatello ea maikutlo le bolelele nakong ea khefu) e fokotsehile ka mocheso o ntseng o eketseha bakeng sa bohle ba tlamang. Tšebelisano e matla pakeng tsa bokaholimo ba filler le polymer matrix e ntlafatsa phello ea mocheso ho thepa e matlafatsang. Leha litšebelisano tsa ionic lipakeng tsa lihlopha tsa ZDA le HXNBR carboxyl li ile tsa eketsa khatello ea maikutlo, litšebelisano tsena tsa ionic ha lia ka tsa ama ho its'etleha ha mocheso oa khatello ea fracture. Sena se fana ka maikutlo a hore litšebelisano tse tsitsitseng tsa ionic pakeng tsa ZDA le matrix ea polymer e sebetsang (HXNBR) ke ntho e hlokahalang bakeng sa thepa e ntle ea mochine le e matla ea thepa ea rabara e nang le tahlehelo e tlaase ea hysteresis tlas'a maemo a fetohang a matla.
