Ni etilɛni, poropilini ani diyolefini min tɛ ɲɔgɔndan ye, o ye etilɛni poropilini diyɛni lastikuw (EPDM) kopolimɛri ye i n’a fɔ nɛgɛ ni kabali insulasifɛn, a tariku ka ca ni san 60 ye. EPDM ni kuloridi polivinili (PVC) ani poliyetilɛni (XLPE) ni fɛn wɛrɛw minnu bɛ fɛnw tanga, olu jɔyɔrɔ ye kelen ye min tɛ se ka wuli, wa a nafa kɛrɛnkɛrɛnnenw ye : baara janya, ji ni oksizɛni kɛlɛli ka ɲɛ ani funteni sabatili, baarakɛcogo funteni hakɛ cayalenba. Ikomi EPDM waleyali kuranko siratigɛ la, o bɛ ka caya ka taa a fɛ, EPDM taamasiyɛn jɔnjɔnw ka ɲininiw fana bɛ ka caya ka taa a fɛ, kɛrɛnkɛrɛnnenya la, baarakɛcogo kɔrɔ dɔw la, EPDM ka taamasiyɛn jɔnjɔnw kɔlɔsili bɛ ni wajibi gɛlɛnw ye, dɔrɔn ni taamasiyɛn jɔnjɔn minnu bɛ bɛn o ma, olu bɛ hakɛ bɛnnen na, walasa EPDM ka se ka wajibiw baaracogo, baarakɛcogo ani baara kɛcogo dafa. Aw bɛ EPDM ta ka kɛ misali ye ka ɲɛsin nɛgɛ ni kabali insulasi cɛmancɛ ma, ni a sɔgɔli fanga, a tigɛcogo janya, a kari fanga, a dielektriki bɔnɛ, a hakɛ rezisti ani a ka masin ni kuran nafama wɛrɛw bɛ se ka wajibiw dafa, fɛn fɔlɔ EPDM etilɛni hakɛ, mooney sɔgɔsɔgɔli, diyolefini hakɛ ni saniya ani taamasiyɛn jɔnjɔn wɛrɛw ka kan ka kɛ ni dan gɛlɛnw ye. Fɛn caman bɛ yen minnu bɛ nɔ bila EPDM nɛgɛ ni kabali insulasi ka tiɲɛni kunbɛnni na. Ka fara etilɛni hakɛ kofɔlen kan sanfɛ, diyolefini hakɛ ani a saniya, jeli hakɛ min bɛ EPDM kɔnɔ, ani baarakɛcogo formula ladilanni n’a kɛcogo ɲuman, o bɛ nɔba bila fura in tiɲɛni kunbɛnni na. U tɛ dan fɛn kelenw ni fɛn kelenw dɔrɔn ye minnu bɛ nɔ bila mɔgɔw la, nka u bɛ baara kɛ ɲɔgɔn fɛ fana walasa ka nɔba bila fɛn dilannenw ka kuran tiɲɛni kunbɛnni na. Nin sɛbɛn in kɔnɔ, fɛn dɔw minnu bɛ nɔ bila EPDM ka tiɲɛni kunbɛnni na, olu sugandira walasa ka ɲinini ni sɛgɛsɛgɛli kɛcogo sigilenw kɛ, walasa ka kunnafoni nafama di EPDM ka fɛn dilannenw labɛnni na nɛgɛ ni kabali insulasi kama.
1 ENB kɔnɔkow nɔ min bɛ sɔrɔ tiɲɛni fanga la
ENB hakɛ (mass fraction) <4,5%, ani ni ENB hakɛ cayara, fura in tiɲɛni fanga bɛ dɔgɔya; ENB hakɛ (massa fraction) ≥4,5%, ani ni ENB hakɛ cayara (mass fraction), fura in tiɲɛni fanga bɛ bonya.
2. Lastikuw saniya nɔ min bɛ a kari fanga la
Ni EPDM bɛ kɛ kuran sɛnɛfɛnw dilanni na, o fɛn saniyalen bɛ wajibiya fo ka se hakɛ dɔ ma. A ka c’a la, EPDM saniya bɛ jira ni bɔgɔmugu hakɛ ye, o min bɛ kɛ kɛrɛnkɛrɛnnenya la kɔgɔ fɛnɲɛnamaw ye minnu kɔnɔ nɛgɛ ionw (vanadiyɔmu, aliminiyɔmu, nɛgɛ, sodiyɔmu, a ɲɔgɔnnaw) bɛ don u kɔnɔ polimerizasiyɔn ni a baara kɔfɛ, ani jamana wɛrɛw ka nɔgɔw. Cɛmancɛ sɔrɔli, min bɛ bɛn farikolo 'nafa' ma, o bɛ kɛ nɔgɔya la kari ye lastikuw la ni kuran ye. Ni ciyɛn hakɛ bɛ caya EPDM kɔnɔ, nɛgɛ ion hakɛ min bɛ sɔrɔ sɛgɛsɛgɛli la, o fana bɛ caya, wa fɛn dilannen ka tiɲɛni fanga bɛ dɔgɔya. Cɛmancɛ (nɛgɛ ionw, dunan nɔgɔw) bɛ nɔ dɔ bila fura in kuran tiɲɛni baarakɛcogo la tiɲɛ na. Ni an y’a jateminɛ ko nɛgɛ ionw bɛ se ka nɔ min bila fɛn dilannen ka tiɲɛni kunbɛnni na, nɛgɛ ion minnu bɛ sɛgɛsɛgɛli kɛcogo la, olu bɛna kɛ yɔrɔ ye foro kɔnɔ fɛn dilannen kɔnɔ kɛnɛma kuran fanga ka wale kɔrɔ, o min bɛna bila kɛnɛma foro kan walasa ka fɛn tiɲɛ. Ni nɛgɛ ionw hakɛ bɛ caya misali la, foro kɔnɔna fanga bɛ bonya dɔɔni dɔɔni, wa nɛgɛ ionw faralen ɲɔgɔn kan sigida la, o fana bɛ bonya, o bɛ na ni sigida foro fanga caya ye cogo la min tɛ bɛn, wa nin ko ninnu bɛɛ bɛna dɔ bɔ fɛn dilannen ka tiɲɛni kunbɛnni na. Filanan, aw ye jamana wɛrɛw ka nɔgɔw nɔ jateminɛ fɛnw ka tiɲɛni kunbɛnni na, lastikuw minnu bɛ jamana wɛrɛw ka nɔgɔw la, olu fanba bɛ cɛncɛn ni nɔgɔ, a ɲɔgɔnnaw, a ka c’a la, o nɔgɔw ni lastikuw fɛnw tɛ bɛn kosɛbɛ, wa u sɔrɔli lastikuw la, o bɛ bɛn 'nafa' ma, o bɛ lastikuw ka fɛn dilannenw ka kelenya n'u dafalen tiɲɛ. Ni kɛnɛma kuran sɛnɛyɔrɔba dɔ bɛ baara kɛ EPDM kuran sɛnɛfɛnw kan ni 'nafaw' ye, a bɛna nɔgɔya kosɛbɛ ka kuran sɛnɛfɛnw kari 'nafaw' la, o la, o bɛ dɔ bɔ fɛn in ka kuran tiɲɛni kunbɛnni na.
3. Jeli hakɛ bɛ nɔ bila kari fanga la
Jeli ye 'lastikuw' jɔcogo kɛrɛnkɛrɛnnen ye min bɛ sɔrɔ EPDM polimɛrizi waati la. K’a sababu kɛ a cogoya kɛrɛnkɛrɛnnen n’a jɔcogo ye, a ni cakɛda mɔlikulu nɔrɔma min bɛ lastikuw kɔnɔ, o jɛɲɔgɔnya barika ka dɔgɔ kosɛbɛ, wa a sɔrɔli fana bɛ se ka jate 'nɔgɔ' ye min bɛ to lastikuw kɔnɔ. '. EPDM kuran sɛnɛfɛnw na minnu ka ɲi kosɛbɛ, jeli hakɛ fana bɛ se ka nɔ bila fura in kuran tiɲɛni baarakɛcogo la. Ni jeli hakɛ bɛ caya EPDM kɔnɔ, fɛn dilannen ka tiɲɛni fanga bɛ dɔgɔya. Ikomi jeli ye nɛgɛso jɔcogo ye min bɛ ɲɔgɔn cɛ, a cogoya ni EPDM molekiyɔmu cakɛda nɔgɔmanw ta tɛ kelen ye kosɛbɛ, o de kama a tɛ bɛn kosɛbɛ ni EPDM molekiyɔmu cakɛdaw ye ka tɛmɛ EPDM molekiyɔmu cakɛda nɔgɔmanw, ani jeli sanfɛla ni mɔlikulu cakɛda nɔgɔmanw cɛ jɛɲɔgɔnya barika ka dɔgɔn ka tɛmɛ EPDM molekiyɔmu cakɛda nɔgɔmanw cɛ Jɛɲɔgɔnya fanga min bɛ jeli sanfɛla ni mɔlikulu cakɛda nɔgɔmanw cɛ, o fanga ka dɔgɔn ka tɛmɛ EPDM molekiyɔmu cakɛda nɔgɔmanw cɛ, wa jeli sanfɛla man kan ka 'fa' ni EPDM molekiyɔmu cakɛdaw ye.
Jeli sanfɛla tɛ 'fa' ni EPDM molekiyɔmu cakɛdaw ye, wa 'yɔrɔ' dɔw bɛ se ka kɛ. Ikomi jeli sɔrɔli bɛna nɔ bila fɛn dilannen ka kelenya la, fɛn dilannen bɛna foro jiginni kɛ jeli lamini na kɛnɛma kuran sɛnɛyɔrɔba ka wale kɔrɔ. Ni danfara bɛ jeli cogoya n’a jɔcogo ni a lamini EPDM molekiyɔmu cakɛdaw cɛ, foro jiginni bɛ bonya, o bɛ nɔgɔya ka jeli sanfɛla kari min fanga danfaralen barika ka dɔgɔn ani 'gap' bɛ se ka kɛ fɛn dilannen na. Ni danfara bɛ EPDM molekiyɔmu cakɛdaw ni ɲɔgɔn cɛ, foro jiginni bɛ bonya, o bɛ kɛ sababu ye ka jeli sanfɛla tiɲɛ yɔrɔ min na fanga danfaralen barika ka dɔgɔ ani 'yɔrɔ' bɛ se ka kɛ, ka 'nafaw' kɛ fɛn dilannen na, o bɛ na ni sɛgɛsɛgɛlikɛlan tiɲɛni ye joona, wa o bɛ dɔ bɔ sɛgɛsɛgɛlikɛlan tiɲɛni baarakɛcogo la.
4. Baarakɛcogo formula nɔ min bɛ tiɲɛni fanga la
Baarakɛcogo formula ye jɛɲɔgɔnya jɔnjɔn ye EPDM fɛnw dilanni na ka kɛ kuran sɛnɛfɛnw ye, nka a fana ye fɛnba dɔ ye min bɛ nɔ bila kuran sɛnɛfɛnw tiɲɛni baarakɛcogo la. Baarakɛcogo jɔnjɔn labɛncogo ladilanni n’a kɛcogo ɲuman ani kuran fɛnɲɛnamafagalanw farali o kan, o bɛ se ka kuran fɛnɲɛnamafagalanw tiɲɛni kɛcogo ɲɛ kosɛbɛ. EPDM fɛnɲɛnamafagalan kelen in kɛlen kɔ ka kɛɲɛ ni formula suguya wɛrɛw ye, masinko cogoya tɛ Changé kosɛbɛ, wa laban in ka ca ni fɔlɔ ta ye 5% ɲɔgɔn dɔrɔn, nka kuran tiɲɛni fanga bɛ Changé kosɛbɛ, wa laban in ka ca ni fɔlɔ ta ye 60% ɲɔgɔn na. Kunba min bɛ masin ni kuran nafaw ɲɛtaa la, o ye ko kɔgɔji kabɔri dilannikɛla ye diisoporopili bɛnzɛni perokisidi hakɛ ɲɛnabɔ ka ɲɛ fɛn dilannenw dilanni senfɛ, walasa ENB kɛrɛfɛ cakɛda kɔnɔ sirili fila bɛ ɲɔgɔn cɛ ka dafa, ani jɛɲɔgɔnya fila tolenw ka dɔgɔya, ani kaolin ni kuran fɛnɲɛnamafagalan wɛrɛw bɛ fara a kan, minnu bɛ dɔ fara adsorbent surface ani baarakɛcogo, wa a bɛ se ka ionw minɛ minnu bɛ taa fɛnw na minnu bɛ to fɛnw na. Nin hakilina fila minnu fɔra sanfɛ, olu bɛ se ka kɛ sababu ye ka baarakɛcogo formula nafa jira walasa ka EPDM kuran sɛnɛfɛnw kuran tiɲɛni baarakɛcogo ɲɛ.
5.Kunnafoni kuncɛcogo
(1) Jɛɲɔgɔnya fila min bɛ monomɛri sabanan (ENB) kɛrɛfɛ cakɛda la EPDM kɔnɔ, o bɛ ɲɔgɔn cɛ ka ɲɛ.
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(3) Ni EPDM fɛnɲɛnamafagalanw ka jeli hakɛ bɛ dɔgɔya, a bɛ dɛmɛ ka kuran fɛnɲɛnamafagalanw (filɛri ni kabali fɛnɲɛnamafagalanw) kuran tiɲɛni kunbɛncogo ɲɛ.
(3) Ni EPDM fɛnɲɛnamafagalanw ka jeli hakɛ dɔgɔyara, kuran fɛnɲɛnamafagalanw (wiri ni kabali fɛnɲɛnamafagalanw) bɛ se ka tiɲɛ ka ɲɛ.
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