Zɛnki ɔkisidi ye fɛn ye min bɛ kɛ ka caya lastikuw dilanni na. Lastikuw dilanni na, bɔgɔ ni a lasegincogo bɛ se ka zinki faralenw bɔ, ka tiɲɛni kɛ sigida la, o la, zinki ɔkisidi hakɛ min bɛ lastikuw foroko la, o ka kan ka dɔgɔya. zinki ɔkisizɛni baarakɛta ka dɔgɔn, a yɔrɔ ka bon, a ka vulkanizasiyɔn baara ka bon, n’i y’a suma ni zinki ɔkisizɛni gansan ye, zinki ɔkisizɛni hakɛ baarakɛta bɛ dɔgɔya, o la, zinki ka tiɲɛni bɛ dɔgɔya sigida la, o bɛ sigida ni sɔrɔko nafa jira.
Zɛnki ɔkisidi baarakɛta bɛ dilan ni fɛɛrɛ jilama ye, n’o ye sanji ni tobili faralen ye ɲɔgɔn kan, walasa ka zinki ɔkisidi baarakɛta ni zinki ɔkisidi jɛlen dilan, ka fara laadala jenicogo tilennen tɛ min na, fɛn dilannikɛla caman wɛrɛw bɛ min kɛ. Jisigicogo in bɛ bɛn ɲɔgɔn ma kosɛbɛ a jogo la, o kɛcogo fana bɛ na ni yɔrɔ kɛrɛnkɛrɛnnenba ye (40m2/g) ani ka fɛnɲɛnamafagalanw hakɛ tilatilali ɲuman sɔrɔ baara caman na, wa nɛgɛ gɛlɛnw nɔgɔ hakɛ dɔgɔyali ye nin fɛn in sigida lakanani dɔ ye.
O jisuma kɛcogo in dilanni taabolo ye nin ye : zinki sɔgɔli ni asidi sulfuriki ka ɲɔgɔn sɔrɔ ka zinki sulfate sɔrɔ, o kɔfɛ a ni karɔbɔni sodiyɔmu ka ɲɔgɔn sɔrɔ ka zinki karɔbɔni dilan i n’a fɔ fɛn fɔlɔ min bɛ kɛ zinki ɔkisidi la. Ni zinki karɔbɔni kɛra fɛn fɔlɔ ye, zinki ɔkisidi bɛ sɔrɔ ni ko ye, ka a ja, ka a jeni ani ka a sɔgɔ.
Zɛnki ɔkisidi baarakɛta fɛnɲɛnamafagalan hakɛ danmadɔ ye 50nm ye, a yɔrɔ kɛrɛnkɛrɛnnen ka bon, a bɛ se mɛtɛrɛ 40/g ɲɔgɔn ma, wa kristalɛw ye misiwolo ye, u bɛ lafiya ani u bɛ poroze, o la, u jɛnsɛnni ka ɲi a ka jɛnsɛnni teliya ka teliya ka tɛmɛ zinki ɔkisidi gansan kan, a tilatilali bɛ kɛ kelen ye, a kɛcogo la walasa ka ko kɛlen ɲɛ ka ɲɛsin bridging agglomeration ma, basigi la a bɛ se ka waleya pewu nɛgɛ gɛlɛnw Pb2 +, Cu2 +, Cd2 +, Mn2 +, Fe2 + hakɛ ka dɔgɔ kosɛbɛ, ka bɛn sigida lakanani wajibiyalenw ma.
Fɛn dilannenw baaracogo
Zɛnki ɔkisidi min bɛ lastikuw la, o bɛ kɛ kosɛbɛ i n’a fɔ lastikuw vulkanizasiyɔn walekɛlan (teliyalan), o baara ye ka vulkanizasiyɔn teliyalan baarakɛcogo ɲɛ ani ka lastikuw ka vulkanizasiyɔn nɔ ɲɛ. A ka walekɛcogo ye : zinki ɔkisidi ni teliyalan kemikaliya kɛcogo ye walasa ka teliya zinki kɔgɔ sɔrɔ; teliyalan zinki kɔgɔ ni polisulfide mɔlikuluw walasa ka polisulfide zinki kɔgɔ sɔrɔ; polisulfide zinki kɔgɔ ni lastikuw makɔrɔmolekuli waleyali walasa ka kemikɛli labanw tigɛli dafa, walasa ka lastikuw ka vulkanizasiyɔn sabati, ka kɔrɔya kɛlɛli jɔyɔrɔ baara ani ka barika don a la, ka sabatili sɔrɔ, ka baarakɛcogo lakana, ka dɔ bɔ kosɛbɛ hakɛ nafama na, ani ka lastikuw ka fɛn dilannenw ɲɛ, ka ɲɛjibɔ, ka sɔgɔsɔgɔninjɛ kunbɛn, ani ka dɔ fara vulkanizelenw janya jɔlen kan lastikuw, ani ka dɔ fara lastikuw vulkanize nɔ kan. Ani ka vulcanized rubber stretch stress, tensile strength ani elongation ɲɛ, ka compression permanent deformation dɔgɔya, a ɲɔgɔnnaw.
1. Zɛnki ɔkisizɛni min bɛ baara kɛ ni nɛgɛ ye min bɛ kɛ ni pankurun radiyali innerliner ye
O cogo kelen na, zinki ɔkisidi baarakɛta 2 # formula lastikuw kɛnɛyali teliya ka tɛmɛ zinki ɔkisidi gansan 1 # formula lastikuw tali kan, o cayara ni siɲɛ 1 ɲɔgɔn ye . 3 formulations de la coking properties de la rubber, a Menni viscosité tɛ danfaraba la.
Kɔrɔbɔli formula vulcanized rubber hardness, constant tensile stress, tensile strength ani tear strength ka tɛmɛ production formula vulcanized rubber ɲɛtaa kan, sɛgɛn kunbɛnni ani flexural performance level bɛ se ka suma, funteni ni fiɲɛ kɔrɔya baarakɛcogo dɔgɔyara dɔɔni.
zinki ɔkisidi baarakɛlen nɔ na zinki ɔkisidi gansan na min bɛ kɛ ni nɛgɛ tilancɛ radiyali pankurun kɔnɔna ply lastikuw ye, ka lastikuw kɛnɛya farikolo cogoyaw la ani zinki ɔkisidi gansan furakɛli lastikuw hakɛ bɛ se ka suma ni lastikuw ta ye, lastikuw ka vulkanizasiyɔn teliya bɛ teliya, o bɛ kɛ sababu ye ka vulkanizasiyɔn waati surunya. Zɛnki ɔkisidi baarakɛta tali bɛ se ka dɔ bɔ zinki ɔkisidi hakɛ la, min bɛ se ka ladamu ka kɛɲɛ ni sigida lakanani wajibiyalenw ye.
2. Zɛnki ɔkisidi baarakɛta kɛli pankurunw senna-lastikuw radiyali la
Ni dɔ farala zinki ɔkisidi baarakɛta hakɛ kan, TC10 ni TC90 bɛɛ lajɛlen ka bonya cogoya. ML ni MH ma Changé kosɛbɛ. O kɔrɔ ye ko zinki ɔkisidi baarakɛta bɛ se ka kɛ ni hakɛ dɔ ye.
Lastikuw ka sɔgɔli fanga, a janya 100%, a janya 300% ani a ɲɛjibɔ fanga ma Changé kosɛbɛ ni zinki ɔkisidi baarakɛta hakɛ cayara. Ni a tata hakɛ tɛmɛna tilayɔrɔ 5 kan, vulcanized rubber ɲɛjibɔ fanga bɛ dɔgɔya inst ead, o bɛ sɔrɔ crosslink density caya kojugu fɛ. Kɔrɔlen kɔfɛ 100 °C× 24h la, lastikuw ka baarakɛcogo marali hakɛ ni zinki ɔkisidi baarakɛta tilayɔrɔ 3 ye , o de ka fisa, wa ni a tata hakɛ tilayɔrɔ 2,5 ye, o de ka jugu. O sababu bɛ se ka kɛ tilayɔrɔ 2,5 hakɛ ye, vulcanized rubber mesh structure tɛ dafalen ye, o fana bɛ jira o janya kelen na ɲɛjibɔ la, deformation permanente la tear, Shore hardness, ani compression heat generation performance.
Zɛnki ɔkisidi lastikuw ɲagaminen baarakɛta faralen ɲɔgɔn kan, TC10 ni TC90 ka jan kosɛbɛ, girinya fitinin ML, girinya hakɛ cayalenba Mn ani danfara min bɛ MH a ML fila ni ɲɔgɔn cɛ, o bɛ bonya, o b’a jira ko a baarakɛcogo lakanani, vulcanization teliya bɛ dɔgɔya, a cross-linking hakɛ cayara, a ka tensile strength, 100% fixed elongation, 300% fixed elongation ani ɲɛji fanga bonyalen don, 100 °C × 24h kɔrɔya, sɛgɛsɛgɛli kɛcogo minnu bɛ tali kɛ a la kosɛbɛ Kɔrɔya kɔfɛ 100 °C × 24h la, marali hakɛ bɛ ɲɛ kosɛbɛ. sɛgɛsɛgɛli kɛcogo Ni zinki ɔkisidi baarakɛta kɛra ni hakɛ dɔgɔyalen ye, TC90 - TS1 bɛ surunya, ML ni MH fɛn caman Changements tɛ nafama ye, wa vulcanized rubber changements masinko cogoyaw tɛ ye A tata hakɛ tilayɔrɔ 2,5, lastikuw vulkanizelen kɔrɔbayali bɛ dɔgɔya, o la a hakɛ bɛ se ka dɔgɔya ka se a tata hakɛ tilayɔrɔ 3 ma min ka kan ka kɛ.
Zɛnki ɔkisidi nafa
Sanfɛfɛn ninnu ka kɔlɔsili kunnafoniw sababu fɛ, a bɛ se k’a dɔn ko zinki ɔkisizɛni baarakɛta bɛ se ka kɛ kosɛbɛ lastikuw suguya caman na.
(1) A bɛ jɛnsɛn ka ɲɛ lastikuw kɔnɔ, wa a farikolo ni a kɛcogo bɛ ɲɛ;
(2) Vulcanisation (wuluwulu) kɛcogo la. Lastikuw ka kokɛ waati bɛ janya, vulkanizasiyɔn lakanani bɛ ɲɛ, ani vulkanizasiyɔn nafa bɛ ɲɛ;
(3) K’a sababu kɛ a yɔrɔ kɛrɛnkɛrɛnnen ka bon ani a fɛnɲɛnamafagalanw hakɛ fitinin ye zinki ɔkisidi baarakɛta la , a bɛ se ka kɛ ka dɔ bɔ a hakɛ la ni lastikuw dɔw farala a kan.
