Hydrogenated nitrile rubber (HNBR) hi temperature sang leh hniam dynamic property mamawhna leh tar chakna tha tak mamawhna hmunah hman a ni ber a, oil leh fluid-a a hring hnuah Oil leh fluid-a a hring hnuah HNBR hi temperature sang leh hniam-a dynamic property sang tak mamawhna leh tar chakna tha tak mamawhna hmunah hman a ni ber. Heng property mamawhna hmanna tlangpui chu timing belt, high pressure hose leh paper roll te hi a ni. Rubber product hmante hi dynamic condition harsa tak tak hnuaiah an awm a, temperature leh frequency hrang hrangah shock an tawk fo bawk. Material-te dynamic property characterize na atana hman thin test pangngai chu room temperature-ah an ti tlangpui thin.
Heng test te hian unfilled materials te chu a characterize tha thei hle a, mahse ambient temperature-a tehna chuan filler-monomer interaction-a temperature-in nghawng a neih dan a tarlang lo. filler leh filler-polymer inzawmna leh temperature sang takah material property-a an nghawng dan te. Temperature sang tak hmanna atana siam bik polymer tan chuan compound optimization dik tak neih theih nan temperature in material technical property a nghawng dan hriatthiam a ngai a ni.
He paper-ah hian filled rubber-a technical property-a temperature-in nghawng a neih dan zirchian a ni a, filler chi, a dosage, leh filler-in HNBR leh hydrogenated carboxylated nitrile butadiene rubber (HXNBR) polymers nena an inzawmna te a ngaihtuah a ni.
Chumi atan chuan he paper hian reinforcing (N330) leh non-reinforcing (N990) carbon black te chu silica (VulcasilN) nen a khaikhin a. Silica chunglam hi passive (filler surface hydrophobic) leh active (filler surface hydrophobic leh bonded to polymer)-ah te pawh siam danglam theih a ni. Compound tam zawk chuan monomeric fillers an hmang bawk a, chu chu zinc diacrylate (ZAD) te hi a ni a, chu chu vulcanization laiin in situ-ah polymerized theih a ni a, chu chuan material property a tichangtlung thei a ni. Heng 'filler' tharte leh polymer matrix nena an inzawmna hi temperature leh frequency dependent property lamah zirchian a la ni lo. 'fillers' thar leh polymer matrix nena an inzawmna hi temperature leh frequency dependent property lamah zirchian a la ni lo.
Vulcanized leh unvulcanized HNBR compound te mechanical leh dynamic mechanical property hmangin filler hrang hrang (carbon black, silica leh ZDA) te chu filling atan an zirchiang a. leh ZDA) filled standard HNBR leh HXNBR rubber te chu reinforcing property te temperature dependence chungchangah an zirchiang a.
Unvulcanized rubber zawng zawng (silica-filled system tih loh chu) temperature sang chho zel nena modulus tlahniam hi polymer matrix viscosity temperature dependence avanga lo awm a ni. Binder chhunga filler chi leh a zat hian reinforcement degree chauh a hril a, binder modulus temperature dependent decrease ah hian nghawng a nei lo.
Silica-a khat adhesives tan chuan silica particles te coalescence hian temperature-dependent behavior a hril a ni. Silica chunglam chu silica alkane hmanga tihfai a nih chuan hydrophobicity a awm chuan silica particle inzawmkhawm chu a titawp a ni. Deformation amplitude lian takah chuan carbon black leh silica-a khat compound zawng zawngte reinforcement chu hydrodynamic reinforcement chauh anga sawi theih a ni.
ZDA hi filler atana hman a nih chuan unvulcanized rubber compound-ah hian reinforcing effect hmuh tur a awm lo a, a chhan chu ZDA hi polymerized a la ni lo a, low relative molecular mass plasticizer angin chauh a thawk a ni. ZDA-containing compounds te hian strain zawng zawngah viscosity an nei tlem hle a, hei hian processing property tha tak a nei tih a tilang.
Vulcanized rubber-a dynamic mechanical property leh stress-on-strain property tehkhin chuan ZDA-a khat HXNBR rubber compound hian complementary Strength nasa ber a nei tih hmuhchhuah a ni a, binder zawng zawng tan temperature sang chho zelah maximum ultimate mechanical properties (stress leh elongation at break) a tlahniam tih hmuhchhuah a ni. Filler surface leh polymer matrix inkara inzawmna chak tak hian temperature-in reinforcing property a nghawng dan a tipung a ni. ZDA leh HXNBR carboxyl group te inkara ionic interaction hian fracture stress chu a ti sang hle nachungin, heng ionic interaction te hian fracture stress temperature dependence ah hian nghawng a nei lo. Hei hian ZDA leh functionalized polymer matrix (HXNBR) inkara mechanically stable ionic interactions chu dynamic deformation condition hnuaia hysteresis loss hniam tak nei rubber material-a mechanical leh dynamic mechanical property tha tak neih theihna tura thil tul hmasa ber a nih thu a tarlang.
