Wozãa hydrogenated nitrile rubber (HNBR) koŋ le dɔwɔwɔ siwo hiã dzoxɔxɔ gã kple esi bɔbɔ ƒe ŋusẽ ƒe nɔnɔmewo kple tsitsi ƒe tsitretsitsi nyuie me, le ami kple tsi ƒe vuvu megbe Le ami kple tsi me vuvu megbe la, wozãa HNBR koŋ le dɔwɔwɔ siwo hiã ŋusẽ ƒe nɔnɔme gãwo le dzoxɔxɔ gã kple sue me kple tsitsi ƒe tsitretsitsi nyuie me. Dɔwɔwɔ siwo bɔ siwo hiã nɔnɔme siawoe nye ɣeyiɣi ƒe alidziblanu, nyaƒoɖeamenu sesẽ ƒe hosewo kple pepa xatsaxatsawo. Wotsɔa nɔnɔme siwo me ŋusẽ le siwo bia nu geɖe ŋutɔ dea rababa-nu siwo wozãna la me eye zi geɖe la, wodoa dziku na wo le dzoxɔxɔ kple ɣeyiɣi vovovowo me. Zi geɖe la, wowɔa dodokpɔ siwo wozãna ɖaa tsɔ dea dzesi nuwo ƒe ŋusẽ ƒe nɔnɔmewo le xɔme ƒe dzoxɔxɔ nu.
Togbɔ be dodokpɔ siawo ate ŋu ade dzesi nusiwo womeyɔ o nyuie hã la, dzidzedze le yame ƒe dzoxɔxɔ me meɖea dzoxɔxɔ ƒe ŋusẽkpɔɖeamedzi ɖe nusi wotsɔ yɔa nu kple monomer ƒe kadodo dzi fiana o. filler kple filler-polymer ƒe kadodo kple ŋusẽ si wokpɔna ɖe nusiwo wotsɔ wɔa nu ƒe nɔnɔmewo dzi le dzoxɔxɔ si kɔkɔ ŋutɔ me. Le polymers siwo ŋu wotrɔ asi le koŋ na dzoxɔxɔ gã dɔwo gome la, gɔmesese le ŋusẽ si dzoxɔxɔ kpɔna ɖe nusi wotsɔ wɔe ƒe mɔ̃ɖaŋununya ƒe nɔnɔmewo dzi ŋu hiã hafi woate ŋu awɔ atikeawo ƒe nyonyome nyuie.
Le agbalẽ sia me la, woku nu me le ŋusẽ si dzoxɔxɔ kpɔna ɖe rababa siwo me wode nu me ƒe mɔ̃ɖaŋununya ƒe nɔnɔmewo dzi, eye wolé fɔ ɖe nusi wotsɔ yɔa rababa ƒomevi, eƒe agbɔsɔsɔme, kple alesi nusi wotsɔ yɔa rababa kple HNBR kple hydrogenated carboxylated nitrile butadiene rubber (HXNBR) polymers wɔa dɔe ŋu.
Le esia ta la, agbalẽ sia tsɔ carbon black siwo doa ŋusẽe (N330) kple esiwo medoa ŋusẽe o (N990) sɔ kple silica (VulcasilN). Woate ŋu atrɔ asi le silica ƒe anyigba ŋu le mɔ si mewɔa naneke o nu (filler surface hydrophobic) kple actively (filler surface hydrophobic eye wòbla ɖe polymer ŋu). Atike siwo le dzidzim ɖe edzi hã zãa monomeric fillers, abe zinc diacrylate (ZAD) ene, si woate ŋu awɔ polymerized le teƒea le vulcanization me be wòana nusiwo wotsɔ wɔa nuawo ƒe nɔnɔme nanyo ɖe edzi. Womesrɔ̃ nu tso 'fillers' yeye siawo kple woƒe kadodo kple polymer matrix ŋu haɖe le dzoxɔxɔ kple frequency dependent nɔnɔmewo gome o. Womesrɔ̃ nu tso 'fillers' yeyeawo kple woƒe kadodo kple polymer matrix ŋu le dzoxɔxɔ kple frequency dependent nɔnɔmewo gome o.
Wonɔ te ɖe Mɔ̃ɖaŋu kple ŋusẽ ƒe mɔ̃ɖaŋununya ƒe nɔnɔme siwo le HNBR ƒe atike siwo wotsɔ vulcanized kple esiwo wometsɔ vulcanized wɔ o me kpɔ, eye woda nusiwo wotsɔ yɔa nu vovovowo (carbon black, silica kple ZDA) kpɔ hena wo yɔyɔ. kple ZDA) siwo yɔ fũu ƒe HNBR kple HXNBR rababa siwo sɔ la kpɔ le dzoxɔxɔ si dzi woanɔ te ɖo le ŋusẽdodo ƒe nɔnɔmewo ŋu.
Modulus ƒe ɖiɖi kple dzoxɔxɔ si le dzidzim ɖe edzi na rababa siwo katã womewɔ vulcanized o (negbe ɖoɖo si me silica yɔ fũu koe mele eme o) nye dzoxɔxɔ ƒe ŋuɖoɖo ɖe polymer matrix ƒe viscosity ŋu me tsonu. Nusi ƒomevi kple agbɔsɔsɔme si le nusi wotsɔ blaa nu me koe afia alesi gbegbe wodo ŋusẽe eye mekpɔa ŋusẽ aɖeke ɖe nusi wotsɔ blaa nu ƒe modulus ƒe ɖiɖi si nɔa te ɖe dzoxɔxɔ dzi dzi o.
Le nusiwo léna ɖe nu ŋu siwo me silica yɔ fũu gome la, silica ƒe akpa sueawo ƒe ƒoƒo ƒu ɖekae ye afia nuwɔna si nɔa te ɖe dzoxɔxɔ dzi. Ne wotsɔ silica alkane treatment wɔ silica ƒe anyime be woakpɔ tsi ƒe vɔvɔ̃ la, woxea mɔ na silica ƒe akpa suewo ƒe ƒoƒo ɖekae. Le deformation amplitude gãwo me la, woate ŋu agblɔ be carbon black kple silica-filled compounds katã ƒe ŋusẽdodo be enye hydrodynamic reinforcement ɖeɖeko.
Ne wozã ZDA abe nusi wotsɔ yɔa nu me ene la, womekpɔa ŋusẽdodo aɖeke le rababa ƒe atike siwo wometsɔ vulcanized o me o elabena womewɔ polymerized na ZDA haɖe o eye wòwɔa dɔ abe low relative molecular mass plasticizer ene ko. Nusiwo me ZDA le ƒe ʋeʋẽ mebɔ o le ƒomeviawo katã me, si fia be dɔwɔwɔ ƒe nɔnɔme nyuiwo le wo ŋu.
Ne wotsɔ rababa si wotsɔ vulcanized wɔe ƒe mɔ̃ɖaŋununya ƒe nɔnɔme siwo trɔna kple nuteɖeamedzi-ɖe-teteɖeanyi ƒe nɔnɔmewo sɔ kple wo nɔewo ɖee fia be HXNBR rababa ƒe atike si yɔ fũ kple ZDA la ƒe Ŋusẽ si kpe ɖe eŋu wu eye mɔ̃ɖaŋununya ƒe nɔnɔme mamlɛtɔ si sɔ gbɔ wu (nuteɖeamedzi kple didime le gbagbãɣi) dzi ɖe kpɔtɔ ne dzoxɔxɔ le dzidzim ɖe edzi na binders katã. Kadodo sesẽ si le nusi wotsɔ yɔa nu ƒe anyigba kple polymer matrix dome la doa ŋusẽ ŋusẽ si dzoxɔxɔ kpɔna ɖe ŋusẽdodo ƒe nɔnɔmewo dzi. Togbɔ be ion ƒe kadodo si le ZDA kple HXNBR carboxyl ƒuƒoƒowo dome na gbagbã ƒe nuteɖeamedzia dzi ɖe edzi hã la, ionic ƒe kadodo siawo mekpɔ ŋusẽ aɖeke ɖe dzoxɔxɔ ƒe nuteɖeamedzi si nɔa te ɖe gbagbã dzi dzi o. Esia fia be mɔ̃ɖaŋununya si li ke ionic kadodowo le ZDA kple functionalized polymer matrix (HXNBR) dome nye nusi hiã do ŋgɔ na mɔ̃ɖaŋu kple ŋusẽ ƒe mɔ̃ɖaŋununya ƒe nɔnɔme nyuiwo le rababa nu la ŋu kple hysteresis ƒe bu sue aɖe le dynamic deformation nɔnɔmewo me.
