To ethylene, propylene kple non-conjugated diolefin copolymerization ƒe ethylene propylene diene rubber (EPDM) abe ka kple ka ƒe xɔxlɔ̃ nu ene ƒe ŋutinya wu ƒe 60. EPDM kple polyvinyl chloride (PVC) kple cross-linked polyethylene (XLPE) kple nu bubu siwo xea mɔ na ya ƒe nɔnɔme le ɖeka si womate ŋu aɖɔli o, eye eƒe viɖe tɔxɛwoe nye: eƒe agbenɔƒe didi, tsi kple ɔksidzin ƒe tsitretsitsi nyuie wu kple dzoxɔxɔ ƒe liƒo, dzoxɔxɔ si keke ta wu le dɔwɔwɔ me. Esi EPDM zazã le elektrikŋusẽ ƒe xɔxlɔ̃ ƒe akpa dzi le kekem ɖe enu ta la, EPDM ƒe dzesi veviwo ƒe nudidiwo hã le biabiam geɖe wu, vevietɔ le dɔwɔwɔ deŋgɔ aɖewo me la, nudidi sesẽwo le EPDM ƒe dzesi veviwo dzi kpɔkpɔ ŋu, ne dzesi vevi siwo sɔ la le afisi sɔ ko hafi, ale be EPDM nawɔ ɖe nudidiawo ƒe dɔwɔwɔ, dɔwɔwɔ kple wo zazã dzi. Tsɔ EPDM abe kpɔɖeŋu ene na medium-voltage ka kple ka ƒe xɔxlɔ̃ wɔwɔ, ne seɖoƒe sesẽwo nanɔ tensile ŋusẽ, tearing elongation, breakdown strength, dielectric ƒe bu, volume resistivity kple mɔ̃ɖaŋu kple elektrikŋusẽ ƒe nɔnɔme vevi bubuwo le nusi wowɔ me ate ŋu aɖo nudidiawo gbɔ la, ele be raw material EPDM ethylene content, mooney viscosity, diolefin ƒe agbɔsɔsɔ kple dzadzɛnyenye kple dzesi vevi bubuwo naɖo seɖoƒe sesẽwo. Nu geɖe li siwo kpɔa ŋusẽ ɖe EPDM ka kple ka ƒe xɔtunu ƒe gbagbã ƒe tsitretsitsi dzi. Tsɔ kpe ɖe ethylene ƒe agbɔsɔsɔ, diolefin ƒe agbɔsɔsɔ kple dzadzɛnyenye si míeyɔ ɖe etame ŋu la, gel si le EPDM me, kpakple asitɔtrɔ kple dɔwɔwɔ nyuie ƒe mɔnu kpɔa ŋusẽ vevi aɖe ɖe atike la ƒe gbagbã ƒe tsitretsitsi dzi. Menye ɖeko wonye nusiwo kpɔa ŋusẽ ɖe ame ɖeka dzi kple esiwo sa ɖe aga ko o, ke wowɔa dɔ ɖekae hã be woakpɔ ŋusẽ blibo ɖe elektrikŋusẽ ƒe gbagbã ƒe tsitretsitsi ɖe nusiwo wowɔ ŋu dzi. Le agbalẽ sia me la, wotia nusiwo kpɔa ŋusẽ ɖe EPDM ƒe gbagbã ƒe tsitretsitsi dzi dometɔ aɖewo hena numekuku kple numekuku si wowɔ ɖe ɖoɖo nu, be woatsɔ ana numeku vevi aɖe na EPDM ƒe nuwɔna ƒe wɔwɔme hena ka kple ka ƒe xɔxlɔ̃.
1 Ŋusẽ si ENB me nyawo kpɔna ɖe gbagbã ƒe ŋusẽ dzi
ENB ƒe agbɔsɔsɔ (mass fraction) <4.5%, eye ne ENB ƒe agbɔsɔsɔ dzi ɖe edzi la, nusi wowɔ ƒe gbagbã ƒe ŋusẽ dzi ɖena kpɔtɔna; ENB ƒe agbɔsɔsɔ (mass fraction) ≥4.5%, eye ne ENB ƒe agbɔsɔsɔ (mass fraction) dzi ɖe edzi la, nusi wowɔ ƒe gbagbã ƒe ŋusẽ dzina ɖe edzi.
2. Ŋusẽkpɔɖeamedzi si rababa ƒe dzadzɛnyenye kpɔna ɖe eƒe gbagbã ƒe ŋusẽ dzi
Ne wozã EPDM le elektrik-nu siwo xea mɔ na elektrikŋusẽ ƒe dɔwɔwɔ me la, ehiãna be nuawo nakɔ vaseɖe afi aɖe. Zi geɖe la, woɖea EPDM ƒe dzadzɛnyenye fiana le aŋɔ si le eme me, si koŋ nye dze siwo me agbe mele o siwo me ga ions (vanadium, aluminum, iron, sodium, kple bubuawo) le siwo wotsɔ de eme le polymerization kple ewɔwɔ vɔ megbe, kpakple duta ɖiƒoƒowo. Aŋɔ ƒe anyinɔnɔ, si sɔ kple ŋutilã me 'nu gbegblẽ' va zua ŋgɔyiyi le rababa ƒe nuwɔna me bɔbɔe to elektrikŋusẽ ƒe ƒoƒo me. Ne aŋɔ si le EPDM me le dzidzim ɖe edzi la, ga ion si le kpɔɖeŋua me hã dzina ɖe edzi, eye nusi wowɔ vɔ ƒe gbagbã ƒe ŋusẽ dzi ɖena kpɔtɔna. Aŋɔ (ga ions, duta ɖiƒoƒo) kpɔa ŋusẽ aɖe ɖe elektrikŋusẽ ƒe gbagbã ƒe dɔwɔwɔ dzi le nusi wowɔ me nyateƒe. Ne míebu ŋusẽ si ga ions kpɔna ɖe nusi wowɔ ƒe gbagbã ƒe tsitretsitsi dzi ŋu la, ga ion siwo le dodokpɔ ƒe kpɔɖeŋua me awɔ teƒe aɖe ƒe teƒe aɖe le nusi wowɔ la me le gotagome elektrikŋusẽ ƒe dɔwɔwɔ te, si woatsɔ aɖo gotagome ƒe ŋusẽ dzi be wòagblẽ nusi wowɔ la me. Ne ga ion siwo le kpɔɖeŋua me le dzidzim ɖe edzi la, ememe agble ƒe ŋusẽ dzina ɖe edzi vivivi, eye ga ions ƒe ƒuƒoƒo ɖe teƒe ɖeka hã dzina ɖe edzi, si wɔnɛ be teƒea ƒe agble ƒe ŋusẽ si lolo le mɔ si mesɔ o nu, eye nu siawo katã aɖe nusi wowɔ ƒe tsitretsitsi ɖe gbagbã ŋu dzi akpɔtɔ. Evelia, bu ŋusẽ si duta ɖiƒoƒowo kpɔna ɖe nusiwo wowɔ ƒe gbagbã ƒe tsitretsitsi dzi ŋu, rababa ƒe nuwɔna siwo le duta ɖiƒoƒoawo me koŋ lɔ ke kple gbeɖuɖɔ, kple bubuawo ɖe eme, zi geɖe la, ɖiƒoƒo siawo kple rababa ƒe nuwɔna mewɔ ɖeka nyuie o, eye woƒe anyinɔnɔ na rababa ƒe nuwɔna sɔ kple 'gblẽ', si gblẽa rababa ƒe nuwɔna ƒe ɖekawɔwɔ kple blibonyenye me. Ne gotagome elektrikŋusẽ ƒe ŋusẽ gã aɖe wɔ dɔ ɖe EPDM elektrik-nu siwo ŋu 'gblẽ' le dzi la, anɔ bɔbɔe ŋutɔ be woagbã elektrik-nulénuawo le 'gblẽƒewo', si ana adzɔnua ƒe tsitretsitsi ɖe elektrikŋusẽ ƒe gbagbã ŋu dzi aɖe akpɔtɔ.
3. Ŋusẽkpɔɖeamedzi si gel ƒe agbɔsɔsɔ kpɔna ɖe gbagbã ƒe ŋusẽ dzi
Gel nye 'rubber particles' ƒe wɔwɔme tɔxɛ aɖe si wowɔ le EPDM ƒe polymerization me. Le eƒe nɔnɔme kple wɔwɔme tɔxɛ ta la, eƒe kadodo kple molecule kɔsɔkɔsɔ si sɔ le rababa ƒe nuwɔna me gbɔdzɔ vie, eye woateŋu abu eƒe anyinɔnɔ hã be enye 'makɔmakɔ' si susɔ ɖe rababa ƒe nuwɔna me. ' EPDM molecule kɔsɔkɔsɔ siwo sɔ, eye kadodo si le gel ƒe anyigba kple molecule kɔsɔkɔsɔ siwo sɔ dome gbɔdzɔ wu esi le EPDM molecule kɔsɔkɔsɔ dzɔdzɔewo dome Kadodoŋusẽ si le gel ƒe anyigba kple molecule kɔsɔkɔsɔ siwo sɔ dome gbɔdzɔ wu esi le EPDM molecule kɔsɔkɔsɔ dzɔdzɔewo dome, eye gel ƒe anyigba me 'yɔ fũu' kple EPDM molecule kɔsɔkɔsɔwo kokoko.
Gel la ƒe anyime menye 'yɔ fũ' kple EPDM molecule kɔsɔkɔsɔwo kokoko o, eye 'dometsotso' aɖewo ate ŋu anɔ anyi. Esi wònye be gel la ƒe anyinɔnɔ akpɔ ŋusẽ ɖe nusi wowɔ ƒe ɖekawɔwɔ dzi ta la, nusi ŋu wotrɔ asi le la awɔ field gradient ƒo xlã gel la le gotagome elektrikŋusẽ si ƒe ŋusẽ lolo ƒe dɔwɔwɔ te. Zi alesi vovototo si le gel la ƒe nɔnɔme kple wɔwɔme kple EPDM molecule kɔsɔkɔsɔ siwo ƒo xlãe dome loloe la, zi nenemae field gradient ƒe wɔwɔme loloe la, zi nenemae wònɔa bɔbɔe be woagbã gel la ƒe anyime si ƒe ŋusẽ si gbɔdzɔ wu le ƒomedodo me eye 'dometsotso' ate ŋu anɔ nusi wowɔ me. Zi alesi vovototo le EPDM molecule kɔsɔkɔsɔwo dome la, zi nenemae agblea ƒe ʋuʋu loloe la, zi nenemae wòate ŋu agblẽ gel ƒe anyigba le afisi ŋusẽ si le ƒomedodo me gbɔdzɔ le eye 'dometsotso' ate ŋu anɔ anyi, awɔ 'gbɔdzɔgbɔdzɔwo' le nusi wowɔ me, si ana kpɔɖeŋua nagbã kaba, eye wòato esia me aɖe kpɔɖeŋua ƒe gbagbã ƒe dɔwɔwɔ dzi akpɔtɔ.
4. Ŋusẽkpɔɖeamedzi si dɔwɔwɔ ƒe mɔnu kpɔna ɖe gbagbã ƒe ŋusẽ dzi
Dɔwɔwɔ ƒe mɔnu nye kadodo vevi aɖe le EPDM ƒe nuwɔna ƒe dɔwɔwɔ me wòzu elektrik-nulénu, gake eganye nu vevi siwo kpɔa ŋusẽ ɖe elektrik-nulénu ƒe gbagbã ƒe dɔwɔwɔ dzi la dometɔ ɖeka. Asitɔtrɔ kple dɔwɔwɔ nyuie wu le gɔmedzenuwɔwɔ ƒe mɔnu ŋu kple elektrik-nulénu siwo wotsɔ kpe ɖe eŋu ate ŋu ana elektrik-nulénu ƒe gbagbã ƒe dɔwɔwɔ nanyo ɖe edzi ŋutɔ. Ne wotrɔ asi le EPDM ƒe nu xoxo ɖeka ma ke ŋu le mɔfiame vovovowo nu vɔ la, mɔ̃ɖaŋununya ƒe nɔnɔmewo metrɔna boo o, eye mamlɛtɔa lolo abe 5% ko ene wu gbãtɔa, gake elektrikŋusẽ ƒe gbagbã ƒe ŋusẽ trɔna ŋutɔ, eye mamlɛtɔa lolo abe 60% ene wu gbãtɔa. Susu vevitɔ si tae mɔ̃ɖaŋu kple elektrikŋusẽ ƒe nɔnɔmewo nyo ɖe edzi enye be ƒumelãwo ƒe kawɔƒea trɔ asi le diisopropyl benzene peroxide ƒe agbɔsɔsɔme ŋu wònyo wu le nusiwo wowɔ ŋudɔwɔwɔ me, ale be kadodo eve siwo le ENB ƒe axadzikɔsɔkɔsɔa me la tsia tre ɖe wo nɔewo ŋu bliboe, eye kadodo eve susɔeawo dzi ɖena kpɔtɔna, eye wotsɔa kaolin kple elektrikkaƒomɔ̃ bubuwo kpena ɖe eŋu, si dzia adsorbent ƒe anyigba kple dɔwɔwɔ, eye ate ŋu axɔ ion siwo kplɔa nu siwo susɔ ɖe nusiwo wowɔ me. Nya eve siwo le etame sɔ gbɔ be woatsɔ aɖo kpe dɔwɔwɔ ƒe mɔnu ƒe vevienyenye dzi be wòana elektrikŋusẽ ƒe gbagbã ƒe dɔwɔwɔ nanyo ɖe edzi le EPDM elektrik-nulénuwo me.
5.Nyataƒoƒo
(1) Kadodo eve si le monomer etɔ̃lia (ENB) ƒe axadzikɔsɔkɔsɔ me le EPDM me la do ƒome kple wo nɔewo wòsɔ gbɔ wu.
(1) EPDM le monomer etɔ̃lia (ENB) me le axadzi kɔsɔkɔsɔ si le eve kadodoa me, zi alesi wotsɔ cross-linked bliboe wu la, zi nenemae nusiwo susɔ ƒe xexlẽme le ʋɛe, zi nenemae wònyo na elektrik-nulénu siwo wotsɔ xea mɔ na elektrikŋusẽ (ka kple kaƒomɔ̃) elektrik-ŋusẽ ƒe gbagbã ƒe tsitretsitsi ƒe dɔwɔwɔ.
(2) Zi alesi EPDM ƒe nu xoxowo ƒe dzadzɛnyenye loloe (zi alesi aŋɔa le ʋɛe) la, zi nenemae wòkpena ɖe elektrik-nulénu siwo wotsɔ xea mɔ na elektrikŋusẽ (ka kple kaƒomɔ̃ ƒe xɔtunu) ƒe elektrikŋusẽ ƒe gbagbã ƒe tsitretsitsi ƒe nyonyome ŋui.
(3) Zi alesi gel si le EPDM ƒe nu xoxowo me le ʋɛe la, zi nenemae wòkpena ɖe elektrik-nulénu siwo wotsɔ xea mɔ na elektrikŋusẽ (ka kple kaƒomɔ̃) ƒe elektrikŋusẽ ƒe gbagbã ƒe tsitretsitsi ŋu wònyona ɖe edzii.
(3) Zi alesi gel si le EPDM ƒe nu xoxoa me le ʋɛe la, zi nenemae elektrikŋusẽ ƒe nusiwo wotsɔ xea mɔ na dzoxɔxɔ (ka kple ka ƒe xɔxlɔ̃) ƒe gbagbã nyona ɖe edzii.
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