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Èle afisia: Aƒeme » Egbɔkpɔnuwo » Egbɔkpɔnuwo » Nɔnɔme siwo le rababa tsɔtsɔ ƒo ƒui ƒe mɔnu geɖe siwo bɔ ŋu

Nɔnɔme siwo le rababa tsɔtsɔ ƒo ƒui ƒe mɔnu geɖe siwo bɔ ŋu

       Rababa ƒe tsakatsakae nye be woakaka nu vovovowo ɖe rababa me sɔsɔe to mɔ̃ ƒe ŋusẽ si le rababa wɔwɔ ƒe mɔ̃ me ƒe kpekpeɖeŋu me, ale be woawɔ multi-phase colloidal dispersion system si me rababa nye nusi le titina alo rababa kple akpa aɖewo siwo sɔ (matching agent, polymers bubuwo) ƒe tsakatsaka abe medium ene, kple nusiwo sɔ kple wo nɔewo siwo mewɔ ɖeka o (abe powder fillers, zinc oxide, . amadedewo, kple bubuawo) abe akpa si kaka ene. nuwᴐna. Mɔ̃ɖaŋununya ƒe nudidi tɔxɛ siwo le nusiwo wotsɔ ƒoa ƒui me enye: nusiwo wotsɔ ƒoa ƒui ƒe kaka ɖekae, ale be woakpɔ nusi wotsɔ ƒoa ƒui ƒe kaka nyuitɔ kekeake, vevietɔ nusi doa ŋusẽ nusi wotsɔ ƒoa ƒui abe carbon black ene, be woakpɔ egbɔ be rababa la wɔa dɔ ɣesiaɣi. Woyɔa rababa si dona tso eme be 'compounding rubber' eye eƒe nyonyome kpɔa ŋusẽ vevi aɖe ɖe dɔwɔwɔ yi ŋgɔe kple nusiwo wowɔ ƒe nyonyome dzi.


1 - Neoprene ƒe ƒuƒoƒo

        Neoprene nye emulsion polymerization mɔnu ƒe wɔwɔ, ewɔwɔ ƒe ɖoɖoa nye akpa gãtɔ ɖeka kettle intermittent polymerization. Wokpɔa polymerization ƒe dzoxɔxɔ dzi zi geɖe le 40-60 °C, eye tɔtrɔ ƒe agbɔsɔsɔme anɔ abe 90% ene. Polymerization dzoxɔxɔ, tɔtrɔ mamlɛtɔ ƒe agbɔsɔsɔme lolo akpa alo polymerization ƒe dɔwɔwɔ yi ya me ana nusiwo wowɔ ƒe nyonyome naɖiɖi. Sulfur-kiuram (tetraalkylmethylaminothiocarbonyldisulfide) ɖoɖo si le ewɔwɔ me lae kpɔa molecule ƒe lolome si sɔ gbɔ. Nusi koŋ gblẽ le sulfur-kiuram ɖoɖoa ŋue nye be sulfur ƒe kadodoawo meli ke o, si nye susu vevi siwo gbɔ wodzraa nu ɖo ƒe nɔnɔmewo dometɔ ɖeka. Ne wotsɔ thiol trɔ asi le molecule ƒe lolome si sɔ ŋu la, ate ŋu ana dɔwɔwɔ sia nanyo ɖe edzi. Neoprene to vovo tso rababa si wowɔ le xexeame katã gbɔ, mezãa sulfur vulcanization o, ke boŋ kple zinc oxide, magnesium oxide, kple bubuawo vulcanization.

Neoprene ƒe dɔwɔwɔ ƒe dɔwɔwɔ nɔ te ɖe rababa si wometsɔ vulcan o ƒe viscoelastic nuwɔna dzi, eye eƒe viscoelastic nuwɔna do ƒome kple neoprene ƒe vovototo kple dzoxɔxɔ. Abe alesi wowɔa tsakatsaka la zi geɖe le elastic nɔnɔme me be woawɔ shear ŋusẽ si le elastic nɔnɔme si le rababa la ŋudɔ be woana filler la kaka nyuie. Eyata be woaƒo asa na dzoxɔxɔ gã ƒe ŋusẽkpɔɖeamedzi ne wole neoprene tsakam la, ele be woatsɔ nusi wotsɔ yɔe la akpe ɖe eŋu kaba ale si woate ŋui be woate ŋu akpɔ tsakatsaka ƒe seƒe aɖe le elastic nɔnɔme me. Ne wotsɔe tsaka kple nusi wotsɔ kɔa nu ŋu si le ʋuʋu ɖi la, G-ƒomevi neoprene sea dzoxɔxɔ ƒe tɔtrɔ gɔme, eye agbalẽ xatsaxatsa ƒe dzoxɔxɔ wu 70 °C, anye agbalẽ xatsaxatsa siwo léna ɖe nu ŋu vevie, eye wòle sisi ƒe nɔnɔme si me ʋuʋudedi le me, eye nusi wotsɔ yɔe la kaka mele bɔbɔe o. Ne wole tsakatsaka kple atike si wotsɔna klɔa nu xɔasiwoe la, ele be woaɖe eƒe ŋutete dzi akpɔtɔ wòasɔ, nusi wotsɔ yɔa nu me le xexeame katã si nye 0.6 sɔ, zi geɖe la, womaae ɖe tsakatsaka eve me, be woaɖe dzoxɔxɔ si le tsakatsaka me dzi akpɔtɔ. Ele be dzoxɔxɔ si dona le tsia me naɖiɖi wu 100 °C.

Neoprene le mɔ̃ si woʋu zazã me tsakatsaka ƒe kuxiae nye dzoxɔxɔa lolo, ele bɔbɔe be woalé ɖe rollers ŋu, ele bɔbɔe be woatɔ dzo, kple agent kaka nye blewu, eyata mele be tsakatsaka ƒe dzoxɔxɔ nasɔ gbɔ akpa o, ele be ŋutetea nanye sue, roller ƒe duƒuƒu ƒe xexlẽme mele be wòalolo o. Le dzoxɔxɔ ƒe seselelãme sesẽ ta la, neoprene si wozãna le xɔme ƒe dzoxɔxɔ me va ɖo 71 °C, aɖe nuku ƒe nɔnɔme afia, le ɣeyiɣi sia me la, rababa ƒuƒu ƒe ɖekawɔwɔ gbɔdzɔ, menye rollers sesẽ siwo léna ɖe nu ŋu koe o, kple agent kaka hã asesẽ ŋutɔ. Neoprene si me sulfur mele o ƒe elastic nɔnɔme ƒe dzoxɔxɔ le 79 °C te, eyata tsakatsaka ƒe dɔwɔwɔ ƒe dɔwɔwɔ nyo wu sulfur-dzikpɔkpɔ, eye rollers sticky kple scorching ƒe nɔnɔme le sue wu. Ne wotsɔ mɔ̃ si le ʋuʋu ɖi ƒoe la, be woaƒo asa na agbalẽ xatsaxatsa siwo léna ɖe nu ŋu la, zi geɖe la, wokpɔa agbalẽ xatsaxatsa ƒe dzoxɔxɔ dzi le 40 ~ 50 °C alo esi mede nenema o (ŋgɔgbe agbalẽ xatsaxatsa la le anyi 5 ~ 10 °C wu megbe agbalẽ xatsaxatsa ƒe dzoxɔxɔ), eye le rababa ƒuƒu ƒoƒo me la, ele be woatrɔ asi le agbalẽ xatsaxatsaa ƒe didime ŋu vivivi tso gã va ɖo sue. Ne èle tsakatsaka me la, tsɔ magnesium oxide si xɔa acid de eme gbã be wòagabi o, eye mlɔeba nàtsɔ zinc oxide akpe ɖe eŋu. Be woaɖe dzoxɔxɔ si le tsakatsaka me dzi akpɔtɔ la, woate ŋu atsɔ carbon black kple liquid softeners akpe ɖe eŋu le hatsotsowo me ɖe wo nɔewo yome. Woate ŋu akaka stearic acid kple paraffin wax kple dɔwɔnu bubuwo atsɔ akpe ɖe eŋu vivivi, ale be wòakpe ɖe kaka ŋu, gake woaxe mɔ na agbalẽ xatsaxatsa siwo léna ɖe nu ŋu hã. Chloroprene rababa si dzi sulfur le le ʋuʋu ƒe tsakatsaɣi me didi wu dzɔdzɔme rababa 30% va ɖo 50% zi geɖe, ɣeyiɣi si me sulfur mele o ƒe tsakatsaka ate ŋu anɔ kpuie abe 20% ene wu esi wotsɔ sulphur tsakae. Be woaƒo asa na neoprene le tsakatsakamɔ̃a me le ʋuʋu ƒe dzoxɔxɔ dzina kabakaba akpa, duƒuƒu ƒe xexlẽme mede 1:1.2 le ete o, fafa ƒe ŋusẽkpɔɖeamedzia anyo wu. Akɔkɔe ƒe ŋutete dzi ɖeɖe kpɔtɔ hã nye mɔ si dzi woato akpɔ egbɔ be dɔwɔwɔ le dedie eye wokaka nyuie. Fifia la, ele be aƒeme neoprene rababa ƒe kɔklɔ ƒe ŋutete si wotsɔa sulfur ɖɔa ɖo wu dzɔdzɔme rababa la nade 20% va ɖo 30% o, be wòate ŋu awɔ dɔ nyuie. Abe alesi neoprene le bɔbɔe be woatɔ dzoe ene la, nenema ke le dense refining machine zazã me la, wozãa tsakatsaka zi geɖe le eve tsakatsaka mɔnu me. Ele be dzoxɔxɔ si woatsɔ atsae la naɖiɖi (zi geɖe la, wokpɔa dzoxɔxɔ si dona le eme dzi le 100 °C te), agbatsɔtsɔ ƒe ŋutete nabɔbɔ wu dzɔdzɔme rababa tɔ (zi geɖe la, wobua ŋutete ƒe xexlẽme be enye 0.50 ~ 0.55), eye wotsɔa zinc oxide dea agbalẽtamɔ̃a me le tsakatsaka ƒe akpa evelia me. Le kuxi si nye be chloroprene rababa tsakatsaka le bɔbɔe be woatɔ dzoe eye wòsesẽna be woakakae ta la, Leena refiner xɔa asigɛ ene eve rotor si de ŋgɔ wu si le du dzi le mɔ ɖeka dzi, tsɔ kpe ɖe 'X' curve ʋuʋu si le etame bolt le refiner la dzi, kple kaka ƒe ŋusẽkpɔɖeamedzi nyui kple ɣeyiɣi kpui aɖe, si ate ŋu aɖe chloroprene rababa ƒe dzobibi ƒe nudzɔdzɔ dzi akpɔtɔ nyuie le tsakatsaka ƒe ɖoɖoa me.


2 - Ethylene propylene rababa ƒe ƒuƒoƒo

       Woate ŋu atrɔ asi le ethylene propylene rababa hã ŋu to rababa kɔklɔdɔwɔnu dzrowo dzi, gake esi wònye be ethylene propylene rababa ƒe plasticizing ŋusẽ menyo tututu o ta la, eƒe ʋeʋẽ ƒe anyimanɔmanɔ ta la, rababa mebɔbɔna be woaxatsa agbalẽ xatsaxatsaa o, zi geɖe la, wozãa agbalẽ xatsaxatsa ƒe kɔkɔme kpui aɖe gbã, be wòawɔ agbalẽ si yia edzi ɖaa eye emegbe nàkeke agbalẽ xatsaxatsaa ƒe kɔkɔme hena tsakatsaka ƒe dɔwɔwɔ. Roll dzoxɔxɔ na ŋgɔgbe agbalẽ xatsaxatsa 50 ~ 60 °C, le agbalẽ xatsaxatsa 60 ~ 70 °C megbe. EPDM rababa nuɖuɖu ƒe ɖoɖoe nye zi geɖe: raw raw nutsyɔnu agbalẽ xatsaxatsa-1/2 carbon black-1/2 carbon black-stearic acid-zinc oxide (alo magnesium oxide)-promoter-crosslinker -Tin pass, lower sheet. Womekɔa ethylene propylene rababa ŋu wògbɔa eme bɔbɔe ne wole etsam o, eye atike si wotsɔ wɔe la kaka sɔsɔe, gake alesi wòléna ɖe eɖokui ŋu la medea ame dzi o. Ethylene-propylene rababa tsakatsaka kple refiner si le ʋuʋu ɖi, zi geɖe la, zãa roll moment sue aɖe gbã be wòanɔ anyi ɖaa le agbalẽ xatsaxatsaa megbe, eye emegbe nàɖe roll moment la dzi akpɔtɔ vivivi, atsɔ atike la akpe ɖe eŋu, roll temperature si le 60 ~ 70 °C dome. Dzoxɔxɔ si wotsɔ tsakae nye 150~160 °C, si ate ŋu akpe ɖe nusi wotsɔ yɔa nu kple nusi fa miamiamia ƒe kaka ŋu eye wòana mɔ̃ɖaŋununya ƒe nɔnɔmewo nanyo ɖe edzi. Agbatsɔtsɔ ƒe ŋutete ate ŋu anye 10% ~ 15% kɔkɔ wu rababa nu bubuwo.


3- Fluoroelastomer ƒe ƒuƒoƒo

      Fluorine rubber Menny viscosity lolo, sesẽ, frictional dzoxɔxɔ dzidzi, general tsakatsaka kple dɔwɔwɔ sesẽ wu. Ne èle fluorine rababa tsakam le mɔ̃ si wotsɔna klɔa nu ŋu la, vaseɖe agbalẽ xatsaxatsa ƒe didime sue, ŋutete si mesɔ gbɔ o, agbalẽ xatsaxatsa ƒe dzoxɔxɔ dzikpɔkpɔ le 50 ~ 60 °C. Wodzea tsakatsaka gɔme, gbã la, na rollers la nafa, tsɔ raw rubber thin pass abe zi 10 ene kpe ɖe eŋu be wòawɔ uniform package roll rubber, trɔ asi le roll moment ŋu be wòalé rubber sue aɖe si woƒo ƒu ɖe wo nɔewo ŋu ɖe te, eye emegbe nàtsɔ compounding agent la akpe ɖe eŋu, zi geɖe la, womeɖea ɣeyiɣi si woatsɔ atsakae la me pɛpɛpɛ o, gake ebiana kabakaba alesi wòanya wɔe. Fluorine rababa zazã sesẽ wu le tsakatsakamɔ̃a ƒe tsakatsaka me, gake meshing ƒomevi si nye tsakatsakamɔ̃a ƒe fafa ƒe ɖoɖoa sesẽ wu, àte ŋu atsaka fluorine rababa. Ele be woatɔ rababa si wotsɔ ƒo ƒui la gaƒoƒo 24 hafi azãe, eye ele be woakɔ eŋu hafi azãe be wòana atike si wotsɔ ƒo ƒui la kaka sɔsɔe eye wòana rababa la nate ŋu alé ɖe eŋu nyuie wu eye wòate ŋu alé eɖokui ɖe eɖokui ŋu.

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