Zinc oxide koŋue wozãna abe vulcanizing active agent le rababa nuwɔna me, si ateŋu awɔ vulcanization ƒe duƒuƒu kabakaba eye wòana vulcanization ƒe sesẽme nanyo ɖe edzi, eye wònye vulcanization system ƒe akpa vevi aɖe le rababa ƒe atikewo me. Ne wotsɔe sɔ kple zinc oxide dzro ko la, ultrafine active zinc oxide ƒe akpa sue aɖe le sue, anyigba ƒe akpa gã aɖe koŋ, dɔwɔwɔ aɖewo le anyigba dzi, permeability, kaka nyui kple physicochemical nɔnɔme bubuwo. Eyata zinc oxide dzrowo ɖɔliɖɔli le rababa ƒe atikewo me ate ŋu aɖe eƒe agbɔsɔsɔme dzi akpɔtɔ evɔ makpɔ ŋusẽ ɖe rababa ƒe vulcanization ƒe nɔnɔmewo dzi kple rababa si wotsɔ vulcanized la ƒe ŋutilã kple mɔ̃ɖaŋununya ƒe nɔnɔmewo o.
Nudokpɔƒe ƒe dodokpɔwo .
Ne wodzi zinc oxide ƒe agbɔsɔsɔme si le dɔ wɔm ɖe edzi tso 50% va ɖo 90% la, vulcanization induction time (T10) kple vulcanization time (T90) si le rababa me dzina ɖe edzi kple zinc oxide si le dɔ wɔm ƒe agbɔsɔsɔme .
Wodidi vulcanization induction period (T10) kple vulcanization time nyui (T90) ƒe ɣeyiɣi ɖe edzi kple agbɔsɔsɔme ƒe dzidziɖedzi, eye rababa la ƒe didime kple tensile ƒe nɔnɔmewo dzi ɖe edzi kple zinc oxide si le dɔ wɔm ƒe agbɔsɔsɔme ƒe dzidziɖedzi , eye wowɔ dɔ nyuie wu ne woɖo 70%. Goma ƒe sesẽ metrɔna boo ne zinc oxide ƒe agbɔsɔsɔme si le dɔ wɔm ƒe dzidziɖedzi o.
Batch ƒe kpeɖodzi .
Ne zinc oxide si le dɔ wɔm ƒe agbɔsɔsɔme nye zinc oxide dzro 70% la, woate ŋu atsɔ rababa ƒe nu ŋutɔŋutɔ kple mɔ̃ɖaŋununya ƒe nɔnɔmewo asɔ kple zinc oxide dzrowo tɔ. Wotia ratio la, to dense refiner zazã me, be woawɔ dodokpɔ gã si sɔ kple wo nɔewo ƒe dodokpɔ, woɖe emetsonuwo fia le Tabla 3. Dodokpɔa me tsonuawo ɖee fia be zinc oxide si le dɔ wɔm ƒe agbɔsɔsɔme .
IS 70% le zinc oxide rubber tensile ƒe ŋusẽ dzro me la, ekɔ wu zinc oxide rababa dzro aɖe, dɔwɔwɔ ƒe dzesi susɔeawo te ɖe dzoxɔxɔ ƒe tsitsi ƒe dɔwɔwɔ ŋu le gbãtɔa me nyo wu evelia.
tsakatsaka .
Ultrafine active zinc oxide le bɔbɔe be woadzo ne wotsakae le nu suesuesuewo ƒe lolome kple kpekpeme fafɛ ta. Tɔtɔ kple refiner ate ŋu axɔ ɖoɖo si trɔna ɖe megbe si nye tsakatsaka mɔnu, zinc oxide gbãtɔ si le dɔ wɔm ɖe xɔ si me wodzraa nu ɖo me, eye emegbe woatsɔ nu bubuwo aƒu gbe hena dɔwɔwɔa .
Extrusion .
Zinc oxide ƒe T10 si le dɔ wɔm didi wu zinc oxide dzro ko tɔ, si ɖea vi na hose la ƒe dodo eye wòɖea dzoxɔxɔ ƒe kuxi si le dzoxɔxɔ ƒe dziyiyi le dodo le eme ta dzi kpɔtɔna. Dɔwɔwɔ ŋutɔŋutɔ ɖo kpe edzi be rababa wɔwɔ to active zinc oxide zazã me, extrusion process performance nyo. Extrusion .
Mɔ̃a ƒe dzoxɔxɔ dzi kpɔkpɔ: ta ƒe dzoxɔxɔ 70 ± 5 °C , ŋutilã ƒe dzoxɔxɔ 50 ± 5 °C , Screw ƒe dzoxɔxɔ 40 ± 5 °C.
Vulcanization .
Zinc oxide T90 si le dɔ wɔm kple zinc oxide dzro ko zazã sɔ kple Vulcanization ƒe dzoxɔxɔ kloe eye woate ŋu azã ɣeyiɣi le gbãtɔ ƒe dɔwɔwɔ me.
Asixᴐxᴐ
Zinc oxide si le dɔ wɔm ƒe asi kɔkɔ wu zinc oxide dzro ko, gake woate ŋu aɖe agbɔsɔsɔme dzi akpɔtɔ, le dodokpɔa nu la, woate ŋu azã hose ƒe nɔnɔmetata la ƒe 70% le agbɔsɔsɔme si wozã me. Ga si woaxe ɖe eta la aɖiɖi wu.
Nyanuwuwuw
(1) Le hose ƒe nɔnɔme me la, woate ŋu azã zinc oxide si le dɔ wɔm ƒe 70% ɖe zinc oxide dzro ko teƒe la, dzɔdzɔme kple mɔ̃ɖaŋununya ƒe nɔnɔme siwo le vulcanized rababa me koŋ la nɔa anyi matrɔmatrɔ alo nyo ɖe edzi.
(2) ultrafine active zinc oxide le hose me, dɔwɔwɔ ƒe ɖoɖoa nye nusi sɔ. Wozãa Le T10 ɣeyiɣi didi ta la, anti-scorch ƒe dɔwɔwɔ nyo, si sɔ na extrusion.
(3) Zinc oxide si wɔa dɔ ŋutɔ zazã ate ŋu aɖe rababa ƒe asi dzi akpɔtɔ.
