Zinc oxide nye nusi wozãna zi geɖe le rababa wɔwɔ me. Le rababa wɔwɔ me la, gbeɖuɖɔ kple egbugbɔgazã ƒe mɔnu ate ŋu aɖe zinc ƒe atikewo ɖa, si agblẽ nu le nutome ŋu, eyata ele be woaɖe zinc oxide ƒe agbɔsɔsɔ si le rababa ƒe mɔli me dzi akpɔtɔ. active zinc oxide ƒe akpa suewo ƒe lolome, eƒe anyigba ƒe lolome lolo, vulcanization dɔwɔwɔ gã, ne wotsɔe sɔ kple zinc oxide dzro la, ƒe agbɔsɔsɔ active zinc oxide dzi ɖena kpɔtɔna, si wɔnɛ be zinc ƒe nugbegblẽ le nutome ŋu dzi ɖena kpɔtɔna, si ɖea viɖe siwo le nutome kple ganyawo ŋu fiana.
dɔ tsɔ wɔa zinc oxide wɔa Wozãa tsi ƒe mɔnu, si nye tsidzadza kple nuɖaɖa ƒe ƒuƒoƒo tsɔ wɔa zinc oxide si si le dɔ wɔm kple zinc oxide si me kɔ, si to vovo na dzotɔtɔ si mewɔa dɔ tẽ o si nuwɔla bubu geɖewo zãna. Tsi ƒe dɔwɔwɔ ƒe nyonyome sɔ gbɔ ŋutɔ, dɔwɔwɔa hã naa anyigba ƒe lolome tɔxɛ aɖe (40m2/g) kple nusuewo ƒe lolome mama nyuitɔ kekeake na dɔwɔwɔ geɖe, eye ga kpekpewo ƒe ɖiƒoƒo ƒe agbɔsɔsɔ si mede o nye nutome ƒe kakaɖedzi siwo le atike sia ŋu la dometɔ ɖeka.
Alesi wowɔa tsi ƒe mɔnu lae nye esi: zinc ingot kple sulfuric acid ƒe dɔwɔwɔ tsɔ wɔa zinc sulfate, eye emegbe eƒe dɔwɔwɔ kple sodium carbonate tsɔ wɔa zinc carbonate abe nu gbãtɔ na zinc oxide ene. Esi zinc carbonate nye nu xoxo ta la, wowɔa zinc oxide to tsilele, etutu, dzobibi kple etutu me.
Zinc oxide si le dɔ wɔm ƒe akpa suewo ƒe lolome le mama dedie nu nye 50nm, eƒe anyigba ƒe lolome tɔxɛ lolo, anɔ abe 40m2/g ene, eye kristaloawo nye anyitsi, wole gbadzaa eye wole ʋeʋẽm, eyata kakaa nyo; eƒe kaka ƒe duƒuƒu le kabakaba wu zinc oxide dzro, mama le ɖeka, le nuwɔna me be wòana nudzɔdzɔ si nye bridging agglomeration nanyo ɖe edzi, koŋ ate ŋu awɔ nu bliboe; ga kpekpewo Pb2 +, Cu2 +, Cd2 +, Mn2 +, Fe2 + ƒe agbɔsɔsɔ le sue ŋutɔ, le ɖekawɔwɔ me kple nutome takpɔkpɔ ƒe nudidiwo.
Adzɔnuwo Zazã
Zinc oxide le rababa dɔwɔƒewo koŋue wozãna abe rababa vulcanization active agent (accelerating agent), si ƒe dɔwɔwɔe nye be wòana vulcanization accelerator ƒe dɔwɔwɔ nanyo ɖe edzi eye wòana vulcanization ŋusẽkpɔɖeamedzi si le rababa me nanyo ɖe edzi. Eƒe nuwɔna ƒe mɔnu enye: zinc oxide kple accelerator chemical reaction be woawɔ accelerator zinc salt; accelerator zinc salt kple polysulfide molecules be woawɔ polysulfide zinc salt; polysulfide zinc dze kple rababa macromolecule ƒe dɔwɔwɔ be woawu atike mamlɛtɔ ƒe crosslinking nu, ale be woado vulcanization ɖe ŋgɔ le rababa, dɔwɔwɔ kple ŋusẽdodo akpa si tsi tre ɖe tsitsi ŋu, be woakpɔ liƒo, dɔwɔwɔ ƒe dedienɔnɔ, agbɔsɔsɔ gã aɖe dzi ɖeɖe kpɔtɔ le nusi gblẽ ƒe agbɔsɔsɔme, eye be woana rababa nuwɔna, aɖatsi tsitretsitsi, abrasion tsitretsitsi, kple dzidziɖedzi fixed elongation of vulcanized rababa, eye wòdzia rababa ƒe vulcanization ƒe ŋusẽkpɔɖeamedzi ɖe edzi. Eye wòana vulcanized rababa keke nuteɖeamedzi, tensile ŋusẽ kple elongation, ɖe compression tegbee deformation, kple bubuawo.
1. Zinc oxide si le dɔ wɔm le semi-gakpo radial taya innerliner dɔwɔwɔ me
Le nɔnɔme agbɔsɔsɔme ma ke me la, zinc oxide 2 # formula rubber si le dɔ wɔm ƒe dɔyɔyɔ ƒe duƒuƒu zazã dzi ɖe edzi abe zinc oxide 1 # formula rubber dzro ko zazã dzi ɖe edzi abe zi gbɔ zi 1 ene; 3 # formula of active zinc oxide dosage nye 1 # formula of ordinary zinc oxide dosage si nye 80% ko, gake 3 # formula rubber curing speed gakpɔtɔ le kabakaba wu formula si le rubber l. 3 formulations of rubber coking nɔnɔmewo, Menni viscosity menye vovototo boo o.
Dodokpɔ ƒe mɔnu vulcanized rababa sesẽ, ɣesiaɣi tensile nuteɖeamedzi, tensile ŋusẽ kple aɖatsi ŋusẽ wu ewɔwɔ mɔnu vulcanized rababa nyo ɖe edzi, ɖeɖiteameŋu tsitretsitsi kple flexural dɔwɔwɔ ƒe seƒe sɔ kple wo nɔewo, dzoxɔxɔ kple ya tsitsi ƒe dɔwɔwɔ dzi ɖe kpɔtɔ vie.
active zinc oxide ɖe zinc oxide dzro si wozãna le semi-steel radial tire inner ply rubber teƒe, curing rubber physical properties kple zinc oxide dzro curing rubber level zazã sɔ kple rubber la tɔ, rubber vulcanization ƒe duƒuƒu le kabakaba, si nyo be wòaɖe vulcanization ɣeyiɣia dzi akpɔtɔ. Zinc oxide si le dɔ wɔm zazã ate ŋu aɖe zinc oxide ƒe agbɔsɔsɔ dzi akpɔtɔ, si atrɔ ɖe nutome takpɔkpɔ ƒe nudidiwo nu wu.
2. Zinc oxide si le dɔ wɔm zazã le taya ƒe afɔti ƒe rababa si le radial me
Esi zinc oxide si le dɔ wɔm ƒe agbɔsɔsɔ dzi ɖe edzi la, TC10 kple TC90 ƒe dzidziɖedzi ƒe nɔnɔme bliboa. ML kple MH metrɔ boo o. Esia fia be woate ŋu azã zinc oxide si le dɔ wɔm le agbɔsɔsɔ si dzi ɖe kpɔtɔ me.
Tensile strength, 100% elongation, 300% elongation kple tear strength si le rababa la ŋu metrɔ boo esi zinc oxide si le dɔ wɔm ƒe agbɔsɔsɔ dzi ɖe edzi o. Ne agbɔsɔsɔa wu akpa 5 la, vulcanized rubber ƒe aɖatsi ƒe ŋusẽ dzi ɖena kpɔtɔna inst ead, si tso crosslink density ƒe dzidziɖedzi fũ gbɔ. Le tsitsi le 100 °C× 24h megbe la, rababa ƒe atike si me zinc oxide si le dɔ wɔm ƒe akpa 3 le ƒe dɔwɔwɔ léle ɖe te ƒe agbɔsɔsɔme ye nye nyuitɔ kekeake, eye esi me wozãe ƒe akpa 2.5 le lae nye esi vɔ̃ɖi wu. Nusitae ateŋu anye akpa 2.5 ƒe agbɔsɔsɔ, vulcanized rababa mesh wɔwɔme mede blibo o, si hã dzena le didime ma ke le aɖatsi, deformation tegbee le aɖatsi, Shore sesẽ, kple compression dzoxɔxɔ dzidzi ƒe dɔwɔwɔ.
Wotsɔ zinc oxide rababa tsakatsaka si le dɔ wɔm kpe ɖe eŋu, TC10 kple TC90 didi ŋutɔ, torque suetɔ kekeake ML, torque gãtɔ Mn kple vovototo si le MH eveawo dome a ML dzina ɖe edzi, si ɖee fia be eƒe dɔwɔwɔ ƒe dedienɔnɔ, vulcanization ƒe duƒuƒu blewu, cross-linking ƒe dzidzenu dzi ɖe edzi, eƒe tensile ŋusẽ, 100% fixed elongation, 300% fixed elongation kple aɖatsi ƒe ŋusẽ nyo ɖe edzi, 100 °C × 24h tsitsi, kpɔɖeŋu nɔnɔmewo le retention rate vevie Le tsitsi le 100 ° C × 24h megbe la, kpɔɖeŋu ƒe dɔwɔwɔ ƒe léle ɖe te ƒe agbɔsɔsɔme nyo ɖe edzi ŋutɔ. Ne wozã zinc oxide si le dɔ wɔm le agbɔsɔsɔ si dzi ɖe kpɔtɔ me la, TC90 - TS1 nɔa kpuie, ML kple MH ƒe tɔtrɔwo meɖea dzesi o, eye mɔ̃ɖaŋununya ƒe nɔnɔme siwo le vulcanized rubber ƒe tɔtrɔwo me medzena gaglãa o; 2.5 ƒe agbɔsɔsɔme, vulcanized rubber ƒe tsitsi ƒe tsitretsitsi dzi ɖena kpɔtɔna, eyata woate ŋu aɖe agbɔsɔsɔa dzi akpɔtɔ va ɖo akpa 3 le agbɔsɔsɔme si woazã me.
Viɖe siwo le zinc oxide ŋu
To dodokpɔ me nyatakaka siwo ku ɖe nusiwo míeyɔ ɖe etame ŋu dzi la, woate ŋu asrɔ̃e be woate ŋu azã zinc oxide si le dɔ wɔm le rababa-nu vovovowo me geɖe.
(1) Ekaka nyuie le rababa-nu si wotsɔ wɔe me, eye wowɔa eƒe ŋutilã kple mɔ̃ɖaŋununya ƒe nɔnɔmewo wònyona ɖe edzi;
(2) Le vulcanization ƒe ɖoɖoa me. Ɣeyiɣi si wotsɔa rababa-nua ƒoa coke la didina, vulcanization ƒe dedienɔnɔ nyona ɖe edzi, eye vulcanization ƒe dɔwɔwɔ nyuie wu;
(3) Le zinc oxide ƒe anyigba ƒe lolome tɔxɛ kple eƒe akpa suewo ta la si le dɔ wɔm , woate ŋu azãe le agbɔsɔsɔ si dzi ɖe kpɔtɔ me le rababa-nu aɖewo dede eme me.
