Ethylene propylene rababa (EPR), si me binary ethylene propylene rababa kple ternary ethylene propylene rababa (PDM) ƒe hatsotso eve le, nye rababa si me yɔ fũ, si me elektrik-nutunu nyui aɖe, tsi, dzoxɔxɔ, vuvɔ kple tsitsi le le ka kple ka siwo wotsɔ ka wɔe la me, eye wònye esi wozãna le ka siwo me ka le me. With the increasingly high requirements of the laying environment, wire and cable are being developed towards low-smoke halogen-free flame retardant, with the same low-pressure grades of cross-linked polyethylene, EPR also belongs to the flammable materials, its own molecular composition and structure of the flame retardant performance has little effect, only with a considerable amount of flame retardant in order to achieve the purpose of flame retardant, so in order to make low-smoke Ðeko woate ŋu atsɔ nusiwo me dzoxɔxɔ mele o siwo me dzo mele o la akpe ɖe dzotsinuwo ƒe hatsotso si me halogen mele o ŋu. Numekukuwo ɖee fia be elektrikŋusẽ ƒe nɔnɔme siwo le EPDM me la kpɔa ŋusẽ ɖe dzotsi ƒe dzoxɔxɔ dzi ŋutɔ, ɖeko nàtsɔ hydroxide dzotsi ƒe akpa 80 akpe ɖe eŋu ana elektrikŋusẽ ƒe tsitretsitsi kabakaba naɖiɖi, be woatsɔ aɖo IEC 60502 gbɔ ((Rated voltage of the insulated instruded instruded insulated insuated insulated 3.67 MΩ -km kple volume resistivity ≥ 3.67 mΩ -km kple volume resistivity ≥ 3.67 MΩ -km kple volume resistivity ≥ 3.67 MΩ -cm ƒe tsi tre ɖe ≥ 1 × 1 × 1 × 1 × Dzobibi dodokpɔ, sesẽ ŋutɔ aɖe le esia me na be ŋgɔyiyi blewuu le low-smoke halogen-manɔmee dzo-retardant epr insulating rubber le ƒeawo me, esime amewo yɔ fũ abe tomemɔwo kple xɔ kɔkɔwo ƒe dzoxɔxɔ gbugbɔgadzɔ kple dzoxɔxɔ insulation kple inorganican maginacted. kple nuwɔwɔ ƒe mɔnu yeyewo toto vɛ, woate ŋu aɖo nudidi siwo le etame gbɔ.
1 Ŋusẽ si dzoxɔxɔ si me agbe mele o si me dzoxɔxɔ mele o ƒomeviwo kpɔa ŋusẽ ɖe dzoxɔxɔ si me dzudzɔ mele o si me dzudzɔ mele o ƒe dɔwɔwɔ dzi le EPDM ƒe rababa si me wodea dzoe o me .
EPDM ƒe ŋusẽ si le EPDM ƒe nulénu si me wotsɔa magnesium hydroxide ƒoa nu ɖo ŋue nye esi lolo wu, vevietɔ le nyateƒe si wònye be .
Magnesium hydroxide nye kristalo si le abe aŋe ene, nusuekpɔmɔ̃ ƒe lolome mede 2μm o, eye to silane coupling agent ƒe tɔtrɔ me be wòana magnesium hydroxide kple EPDM ƒe kadodoŋusẽ nanyo ɖe edzi. To oxygen index kple vertical combustion grade la tsɔtsɔ sɔ kple wo nɔewo me la, woate ŋu akpɔe be dzo ƒe retardant ƒe ŋusẽkpɔɖeamedzi si le magnesium hydroxide me nyo ŋutɔ wu aluminum hydroxide tɔ, esia tso dzoxɔxɔ ƒe gbegblẽ ƒe dzoxɔxɔ si nye magnesium hydroxide gbɔ la sɔ gbɔ wu aluminum hydroxide si le 140 lu, si ƒoa asa na 140 °C, . film adsorbed on the surface of the adhesive material after dehydration and promote the formation of charcoal, which will form a layer of hard shell on the surface of the adhesive material In addition, after dehydration, magnesium hydroxide will form a layer of oxidized film adsorbed on the surface of rubber material, and promote the formation of carbon, forming a hard shell on the surface of rubber material, effectively isolating oxygen, thus improving the flame retardant mɔnu. Comparison of volume resistivity can be concluded, aluminum hydroxide on the EPDM insulation rubber Ethylene propylene rubber (EPR), including binary ethylene propylene rubber and ternary ethylene propylene rubber (EPDM) two categories, is a saturated rubber, with excellent electrical insulation, moisture, heat, cold and aging resistance, is widely used in the preparation of wires and cables, and has been a comprehensive alternative to the main body of Styrene-butadiene rababa abe ka si wotsɔ xea mɔ na dzoxɔxɔ ene. With the increasingly high requirements of the laying environment, wire and cable are being developed towards low-smoke halogen-free flame retardant, with the same low-pressure grades of cross-linked polyethylene, EPR also belongs to the flammable materials, its own molecular composition and structure of the flame retardant performance has little effect, only with a considerable amount of flame retardant in order to achieve the purpose of flame retardant, so in order to make low-smoke Ðeko woate ŋu atsɔ nusiwo me dzoxɔxɔ mele o siwo me dzo mele o la akpe ɖe dzotsinuwo ƒe hatsotso si me halogen mele o ŋu. Numekukuwo ɖee fia be elektrikŋusẽ ƒe nɔnɔme siwo le EPDM me la kpɔa ŋusẽ ɖe dzotsi ƒe dzoxɔxɔ dzi ŋutɔ, ɖeko nàtsɔ hydroxide dzotsi ƒe akpa 80 akpe ɖe eŋu ana elektrikŋusẽ ƒe tsitretsitsi kabakaba naɖiɖi, be woatsɔ aɖo IEC 60502 gbɔ ((Rated voltage of the insulated instruded instruded insulated insuated insulated 3.67 MΩ -km kple volume resistivity ≥ 3.67 mΩ -km kple volume resistivity ≥ 3.67 MΩ -km kple volume resistivity ≥ 3.67 MΩ -cm ƒe tsi tre ɖe ≥ 1 × 1 × 1 × 1 × Dzobibi dodokpɔ, sesẽ ŋutɔ aɖe le esia me na be ŋgɔyiyi blewuu le low-smoke halogen-manɔmee dzo-retardant epr insulating rubber le ƒeawo me, esime amewo yɔ fũ abe tomemɔwo kple xɔ kɔkɔwo ƒe dzoxɔxɔ gbugbɔgadzɔ kple dzoxɔxɔ insulation kple inorganican maginacted. kple nuwɔwɔ ƒe mɔnu yeyewo toto vɛ, woate ŋu aɖo nudidi siwo le etame gbɔ.
1. Ŋusẽkpɔɖeamedzi si le dzoxɔxɔ si me agbe mele o si me dzoxɔxɔ mele o ƒomevi aɖe dzi ɖe dzudzɔ si me dzudzɔ si me ami mele o si me dzo mele o ƒe dɔwɔwɔ dzi EPDM Insulation rababa nu .
EPDM ƒe tensile strength of EPDM insulating adhesive material with magnesium hydroxide ye nye gãtɔ kekeake, vevietɔ le nyateƒe si wònye be magnesium hydroxide nye kristalo si le abe aŋe ene, si ƒe lolome mede 2μm o, kple to silane ƒe kpeɖeŋutɔ ƒe tɔtrɔ me be wòana magnesium hydroxide ƒe kadodoŋusẽ kple eƒe sɔsɔme nasɔ kple wo nɔewo ta. To oxygen index kple vertical combustion grade la tsɔtsɔ sɔ kple wo nɔewo me la, woate ŋu akpɔe be dzo ƒe retardant ƒe ŋusẽkpɔɖeamedzi si le magnesium hydroxide me nyo ŋutɔ wu aluminum hydroxide tɔ, esia tso dzoxɔxɔ ƒe gbegblẽ ƒe dzoxɔxɔ si le magnesium hydroxide me la sɔ gbɔ wu aluminum hydroxide si le 140 °C, si ƒoa asa na 140 lu, . film adsorbed on the surface of the adhesive material after dehydration and promote the formation of charcoal, which will form a layer of hard shell on the surface of the adhesive material In addition, after dehydration, magnesium hydroxide will form a layer of oxidized film adsorbed on the surface of rubber material, and promote the formation of carbon, forming a hard shell on the surface of rubber material, effectively isolating oxygen, thus improving the flame retardant mɔnu. Woate ŋu aƒo nya ta be woate ŋu aƒo nya ta le gbeɖiɖi ƒe sesẽme ƒe tsitretsitsi ŋu, aluminum hydroxide le EPDM insulation rababa nu Elektrikŋusẽ ƒe dɔwɔwɔ le ŋusẽkpɔɖeamedzia me le sue ŋutɔ wu magnesium hydroxide, esia nye esi ATH 104E ƒe tsɔtsɔme mede 60 ps-cm ~ o ta; kple magnesium hydroxide dzro, abe kpe ƒomevi siwo nye kpe xɔasiwo wɔwɔ ƒe mɔnu ene, le aƒeme dzɔtsoƒe si tso tomenukuƒea ƒe ŋusẽkpɔɖeamedzi gbɔ, ɖiƒoƒo si sɔ gbɔ, dzadzɛnyenye sue, tsɔ kpe ɖe eƒe anyigba ŋu kple dzoxɔxɔ nyui, polarity gã, nusuekpɔmɔ̃ ememetɔ ƒe nuteɖeamedzi, ale be conductivity la nade 250 ps-cm. 1 alo esi wu nenema, magnesium hydroxide gbogbo aɖe si wotsɔ kpe ɖe EPDM rababa nu ŋu ana rababa ƒe nu ƒe nulénu ƒe nɔnɔme dzi ɖe kpɔtɔ ŋutɔ, togbɔ be magnesium hydroxide le anyigba ƒe tɔtrɔ tɔxɛ ƒe atikewɔwɔ vɔ megbe ate ŋu ana rababa ƒe nulénu ƒe nɔnɔme nanyo ɖe edzi hã, gake emetsonuwo menyo haɖe o. Ne míebu magnesium hydroxide agbɔsɔsɔme ma ke ŋu la, dzobibi ƒe nɔnɔme nyo wu aluminum hydroxide, mí kple magnesium hydroxide wɔlawo míewɔ ɖeka optission fiawo ƒe magnesium hydroxide, ƒomeviwo ƒe anyigbadzi modifiers kple wɔwɔ mɔnuwo, kple mH305 hydroxide wɔwɔ sɔ na magnesium hydroxide wɔwɔ sɔ na magnesium ƒe wɔwɔ si sɔ na magnesium ƒe wɔwɔ si sɔ na magnesium ƒe wɔwɔme si sɔ na magnesium ƒe wɔwɔme si sɔ na magnesium ƒe wɔwɔme si sɔ na magnesium ƒe wɔwɔme si sɔ na emped.
MH3005 kple MH3005Z EPDM insulating rubber le high volume resistivity, si me insulating core si wotsɔ MH3005Z rababa wɔ la ɖo IEC 60502 ƒe nudidiwo gbɔ koŋ, gake MH3005 rubber ƒe insulating nɔnɔmewo sɔ gbɔ vie. Ke hã, nusiwo wotsɔ xea mɔ na dzoxɔxɔ si wotsɔ MH3005 ƒe rababa wɔ la le sue ŋutɔ, eye wobu akɔnta be nu vevi la ƒe anyigba ƒe wɔwɔme gblẽ le extrusion vulcanization ƒe ɖoɖoa me, eye ehiã be woagaku susua me ɖe edzi.
Le blibo me la, ne wotsɔe sɔ kple EPDM insulation rubber si me magnesium hydroxide si woɖɔli kple EPDM Insulation Rubber si me aluminum hydroxide le ɖeɖeko la, gbãtɔa ƒe dzobibi si me dzoxɔxɔ mele o ƒe nɔnɔme nyui, tensile ƒe ŋusẽ si sɔ gbɔ, kple insulating property si nyo wu le wire ƒe tɔtrɔ tɔxɛ megbe, gake aluminium ƒe nɔnɔme si me tsi mele o la gakpɔtɔ le eme nyuie wu.
2. Ŋusẽ si dzoxɔxɔ si me agbe mele o si hea dzoxɔxɔ si me agbe mele o kpɔna ɖe dzobibi si me dzudzɔ mele o, si me halogen mele o ƒe dɔwɔwɔ dzi .
Magnesium hydroxide alo aluminum hydroxide si me agbe mele o zazã zi ɖeka mate ŋu aɖo elektrikŋusẽ ƒe nɔnɔmewo kple dzobibi ƒe nɔnɔmewo ƒe nudidiwo gbɔ le ɣeyiɣi ɖeka me o, eyata aluminum hydroxide kple magnesium hydroxide kple eƒe ŋusẽkpɔɖeamedzi ɖe low-smoke halogen-retardant EPDM ƒe dɔwɔwɔ dzi, a kple mH3 MH3005Z ƒe agbɔsɔsɔme ƒe dzidziɖedzi, menni ƒe ʋeʋẽ kple tensile ŋusẽ si le EPDM insulating adhesive dzi ɖe edzi, dzobibi ƒe nɔnɔmewo dzi ɖe edzi, gbeɖiɖi ƒe tsitretsitsi dzi ɖe kpɔtɔ. Esi MH3005Z ƒe dzidziɖedzi, menni ƒe ʋeʋẽ kple tensile ŋusẽ si le EPDM insulating adhesive dzina ɖe edzi la, dzo si me dzoxɔxɔ mele o ƒe nunɔamesi dzina ɖe edzi, eye gbeɖiɖi ƒe sesẽme dzi ɖena kpɔtɔna. Ne ATH 104E/MH3005Z ƒe xexlẽme nye 90/30 la, EPDM insulating adhesive ƒe insulating kple flame retardant properties ɖoa nudidiawo gbɔ. ATH 104E / MH3005Z kple xexlẽme si nye 110 / 10 kple 120 / lo eve, togbɔ be At 104E ƒe akpa 10 ƒe dzidziɖedzi le EPDM ƒe dzoxɔxɔ ƒe adhesive flame retardant ƒe nɔnɔmewo megbe nyo ɖe edzi hã, gake dzɔdzɔmenunɔamesiwo le anyi kabakaba hã. lath 104E / MH3005Z kple xexlẽme si nye 70 / 50 kple 70 / 40 eve, ɖe MH3005Z ƒe akpa 10 dzi kpɔtɔ togbɔ be ate ŋu ana rababa ƒe nuléle ƒe nɔnɔmewo nanyo ɖe edzi hã, gake dzobibi ƒe nɔnɔmeawo meɖo nudidiawo gbɔ o. Be woakpɔ egbɔ be dzobibi ƒe nɔnɔmewo le eme la, womate ŋu aɖe dzotsinuwo ƒe agbɔsɔsɔ bliboa dzi akpɔtɔ o.
EPDM Insulation Rubber material Flameless Smoke Density nye 355 alo esi wu nenema, kple dzoxɔxɔ si me agbe mele o ƒe agbɔsɔsɔ si me dzoxɔxɔ mele o eye ƒomedodo aɖeke mele eŋu si dze ƒã kple xexlẽme ƒe sɔsɔme o, esia tso akpa vovovoawo katã ƒe wɔwɔme gbɔ, dzudzɔ ƒe wɔwɔme nye EPDM koŋ, togbɔ be dzoxɔxɔ si me dzoxɔxɔ mele o la mate ŋu ana dzoxɔxɔ si me dzoxɔxɔ le hã nanyo ɖe edzi o.
3. Dzudzɔ dzi ɖeɖe kpɔtɔ ƒe atike le dɔwɔwɔ le low-smoke halogen-manɔmee dzo-retardant EPDM insulating compound .
JB / T 10707 - 2007 'thermoplastic halogen-free low-smoke flame retardant cable materials' Ebia be mele be woatsɔ rababa ƒe nu si me dzo mele o ƒe dzoxɔxɔ si me dzo mele o la ade 250 me o, be woatsɔ aɖe rababa ƒe dzudzɔ ƒe ʋeʋẽ dzi akpɔtɔ ɖe dzudzɔ si tsia dzudzɔ nu la ŋu. Montmorillonite me calcium-based, sodium-based, magnesium-based Montmorillonite, le stripping kple kaka, ŋutiklɔdzo kple tɔtrɔ megbe, organic composite tɔxɛ, layer la ƒe titrime le mama dedie nu mede 25 nm o. Wotia Montmorillonite be wòakpɔ dzudzɔ ƒe ŋusẽkpɔɖeamedzi nyuitɔ.
Montmorillonite le EPDM Insulation rababa nu ƒe dzudzɔ ƒe tsɔtsɔme si le ŋusẽkpɔɖeamedzia ŋu dze ƒã ŋutɔ, gake ate ŋu anye dzotsinuwo ƒe dzidziɖedzi sue aɖe hã, gake nɔnɔme bubuwo ya mekpɔa ŋusẽ ɖe edzi boo o; Esi Montmorillonite ƒe agbɔsɔsɔ dzi ɖe edzi la, EPDM ƒe nutrenu rababa nu ƒe dzudzɔ ƒe tsɔtsɔ dzi ɖe kpɔtɔ vivivi, eye wòdina be woali ke, ne wobu ga si woatsɔ awɔ dɔe ŋu la, tia Montmorillonite ƒe agbɔsɔsɔ na akpa 5.
4 Nyataƒoƒo .
(1) Le halogen-maɖemaɖe si me dzudzɔ si me dzudzɔ le o si me dzo mele o si me EPDM-nulénu si xea mɔ na dzoxɔxɔ ƒe nuléle le me la, dzobibi ƒe ŋusẽkpɔɖeamedzi si nye magnesium hydroxide si ŋu wotrɔ asi le kple agbɔsɔsɔme ma ke nyo wu aluminum hydroxide tɔ, gake magnesium hydroxide kpɔa ŋusẽ ɖe elektrikŋusẽ ƒe nuléle ƒe nɔnɔmewo dzi wu.
(2) Aluminium hydroxide kple magnesium hydroxide eye kple xexlẽme ƒe sɔsɔme 90 / 30, dzudzɔ sue kple halogen-maɖemaɖe dzo retardant EPDM insulation adhesive nu la ƒe dzobibi retardant nɔnɔmewo kple insulation nɔnɔmewo le.
(3) Montmorillonite zazã ate ŋu aɖe dzudzɔ ƒe agbɔsɔsɔ si le dzoxɔxɔ si me dzudzɔ si me dzudzɔ mele o me si me dzo mele o si me dzoxɔxɔ mele o ƒe EPDM-nulénu si me wodea dzoe la dzi akpɔtɔ nyuie, gake ne eƒe agbɔsɔsɔme dzi ɖe edzi la, dzudzɔ si le adhesive la me dzi ɖena kpɔtɔna vivivi, eye Montmorillonite ƒe agbɔsɔsɔme nyuitɔ kekeake nyea akpa 5.
