Ethylene propylene rubber (EPR), we inklud baynary ethylene propylene rubber ɛn ternary ethylene propylene rubber (EPDM) tu kategori, na wan satyut rɔba, wit fayn fayn ilɛktrik insuleshɔn, mɔs, ɔt, kol ɛn ol pipul dɛn we de fɛt, na in dɛn de yuz bɔku say dɛn na di pripiamɛnt fɔ waya ɛn kebul dɛn, ɛn i dɔn bi wan kɔmprɛhɛnsif ɔltɛrnativ as di men bɔdi fɔ di men bɔdi. Wit di increasingly high requirements of di layn envairoment, waya en kebul de divlop to low-smok halogen-fri flame retardant, wit di sem low-pressure gred of kros-link polyethylene, EPR tu de pan di flammable matiryal, in own molkyular kompozishun en strakcha of di flame retardant performance get likl effect, onli wit wan konsidabul retardant in oda to achivin of flame retardant in oda to achivin of flame retardant in oda to achivin of flame retardant in oda to achivin of flame retardant in oda to achieve of flame retardant Halogen-fri flame-retardant matiryal kin onli ad to di halogen-fri klas of flame retardants. Stɔdi dɔn sho se di ilɛktrik prɔpati dɛm fɔ EPDM na big wan afɛkt di flaym retardant, jɔs ad 80 pat dɛm fɔ haydroksayd flaym retardant go mek di kwik dɛklin in ilɛktrik rɛsistiviti, fɔ mek dɛn ebul fɔ ajɔst di IEC 60502 ((Rɛt vɔltɛm fɔ 1 ~ 30 kV ɛkstrud insulɛt kebul dɛm ɛn dɛn aksesɔri) standad dɛm na di nɔmal wan dɛn we de na di nɔmal wan dɛn we de na di kɔndishɔn na di nɔmal tin dɛm we de apin na di kɔndishɔn dɛn we de apin na di kɔndishɔn dɛn we de apin na di 1 ~ 3.67 MΩ -km ɛn volyum rɛsistiviti ≥ 3.67 MΩ -km ɛn volyum rɛsistiviti ≥ 3.67 MΩ -km ɛn volyum rɛsistiviti ≥ 3.67 MΩ -km ɛn volyum rɛsistiviti ≥ 1012 Ω - cm na di provayd Kɔmbɔshɔn tɛst, na ay digri fɔ difikulti. Risach ɛn divɛlɔpmɛnt fɔ nyu prodakshɔn we dɛn de du, i pɔsibul fɔ mit di tin dɛn we wi dɔn tɔk bɔt ɔp.
1 Di effekt we inɔgɛnɛk flaym retardant tayp dɛn gɛt pan di pefɔmɛns fɔ lɔw-smok halojen-fri flaym retardant EPDM insulin rɔba matirial
Di tɛnsiɛl trɛnk fɔ EPDM insulin adhesive matirial wit magnɛsiɔm haydroksayd na di big wan, mɔ bikɔs ɔf di fakt se
magnεsium haydroksayd na nidul-lεk kristכl, patikyula saiz we less dan 2μm, εn tru di modifyushכn fכ silan kכplεnt ejen fכ εnhans di binding fכs εn kכmpatibiliti fכ magnεsium haydroksayd εn EPDM. bay we yu kכmpεr di כksijεn indeks εn vεtikal kכmbכshכn grεd, yu kin si se di fכm rεtardant ifekt fכ magnεsium haydroksayd bεtε pas di aluminium haydroksayd, dis na biכs fכ di tεmכl dikomposishכn tεmprachכ fכ magnεsium haydroksayd na hכy pas di aluminiכm haydroksayd bay 140 we de avכyd dεhaydrayshכn riakshכn we de avכyd dεhaydrayshכn riakshכn go bi bikɔs ɔf di hכykyd dεm we de apin na di advεns prosεs, we de avכyd dihaydrayshכn riakshכn riakshכn riakshכn riakshכn riakshכn. Adsorbed pan di surface of di adhesive material afta dihaydreshɔn ɛn promuot di fomeshɔn ɔf kol, we go fɔm wan layt ɔf had shel na di surface of di adhesive material in addition, afta dihhydration, magnesium hydroxide go fɔm wan layt ɔf ɔksidayz film adsorbed pan di surface of rubber material, ɛn promot di fɔmeshɔn ɔf di kabɔn, fɔm wan had shel na di surface na di surface na di surface na di surface of wan had shel na di surface of wan had shel na di surface of wan had shel na di surface of wan had shel na di surface of wan had shel na di surface of wan. Kכmparashכn כf volyum rεsistiviti kin kכnklud, aluminium haydroksayd pan di EPDM insulεshכn rכba εtilen prכpylin rכba (EPR), inklud baynary εtilen prכpylin rכba εn tεnari εtilen prכpylin tu kεtכgεri, na wan satεrayt rכba, wit εksεlεnt ilektrikal insulεshכn, hεt, kכlεs εn agεnεs, εn i bin de mek i kכmprεsεns fכ di kכmprεnsikεnt fכ di men. Bɔdi fɔ Styrene-butadiene rɔba as di kebul insuleshɔn matirial. Wit di increasingly high requirements of di layn envairoment, waya en kebul de divlop to low-smok halogen-fri flame retardant, wit di sem low-pressure gred of kros-link polyethylene, EPR tu de pan di flammable matiryal, in own molkyular kompozishun en strakcha of di flame retardant performance get likl effect, onli wit wan konsidabul retardant in oda to achivin of flame retardant in oda to achivin of flame retardant in oda to achivin of flame retardant in oda to achivin of flame retardant in oda to achieve of flame retardant Halogen-fri flame-retardant matiryal kin onli ad to di halogen-fri klas of flame retardants. Stɔdi dɔn sho se di ilɛktrik prɔpati dɛm fɔ EPDM na big wan afɛkt di flaym retardant, jɔs ad 80 pat dɛm fɔ haydroksayd flaym retardant go mek di kwik dɛklin in ilɛktrik rɛsistiviti, fɔ mek dɛn ebul fɔ ajɔst di IEC 60502 ((Rɛt vɔltɛm fɔ 1 ~ 30 kV ɛkstrud insulɛt kebul dɛm ɛn dɛn aksesɔri) standad dɛm na di nɔmal wan dɛn we de na di nɔmal wan dɛn we de na di kɔndishɔn na di nɔmal tin dɛm we de apin na di kɔndishɔn dɛn we de apin na di kɔndishɔn dɛn we de apin na di 1 ~ 3.67 MΩ -km ɛn volyum rɛsistiviti ≥ 3.67 MΩ -km ɛn volyum rɛsistiviti ≥ 3.67 MΩ -km ɛn volyum rɛsistiviti ≥ 3.67 MΩ -km ɛn volyum rɛsistiviti ≥ 1012 Ω - cm na di provayd Kɔmbɔshɔn tɛst, na ay digri fɔ difikulti. Risach ɛn divɛlɔpmɛnt fɔ nyu prodakshɔn we dɛn de du, i pɔsibul fɔ mit di tin dɛn we wi dɔn tɔk bɔt ɔp.
1. Influwens ɔf inɔgɛnɛk flɛm retardant tayp pan di pefɔmɛns fɔ lɔw smok halojen-fri flaym retardant EPDM insuleshɔn rɔba matirial
di tεnsil strכng fכ EPDM insulin adhesive mεtirial wit magnεsium haydroksayd na di big wan, mεntal biכs fכ di fכs we magnεsium haydroksayd na nidul-lεk kristכl, patikyula saiz we sכmtεm sכmtεm pas 2μm, εn tru di modifyushכn fכ silan kכplεnt ejen fכ εnhans di binding fכs εn kכmpatibiliti fכ magnεsium haydroksayd εn EPDM. bay we yu kכmpεr di כksijεn indeks εn vεtikal kכmbכshכn grεd, yu kin si se di fכm rεtardant ifekt fכ magnεsium haydroksayd bεtε pas di aluminium haydroksayd, dis na biכs fכ di tεmכl dikomposishכn tεmprachכ fכ magnεsium haydroksayd na hכy pas di aluminiכm haydroksayd bay 140 we de avכyd dεhaydrayshכn riakshכn we de avכyd dεhaydrayshכn riakshכn go bi bikɔs ɔf di hכykyd dεm we de apin na di advεns prosεs, we de avכyd dihaydrayshכn riakshכn riakshכn riakshכn riakshכn riakshכn. Adsorbed pan di surface of di adhesive material afta dihaydreshɔn ɛn promuot di fomeshɔn ɔf kol, we go fɔm wan layt ɔf had shel na di surface of di adhesive material in addition, afta dihhydration, magnesium hydroxide go fɔm wan layt ɔf ɔksidayz film adsorbed pan di surface of rubber material, ɛn promot di fɔmeshɔn ɔf di kabɔn, fɔm wan had shel na di surface na di surface na di surface na di surface of wan had shel na di surface of wan had shel na di surface of wan had shel na di surface of wan had shel na di surface of wan had shel na di surface of wan. Kכmpεreshכn כf vכlyum rεsistiviti kin kכnklud, aluminium haydroksayd pan di EPDM insulεshכn rכba mεtirial ilektrikal insulεshכn pεrformεns fכ di impak na bכku sכm pas magnεsium haydroksayd, dis na biכs di ath 104E kכnduktiviti nכ pas 60 ps-cm ~; ɛn ɔdinari magnɛsiɔm haydroksayd, lɛk di vayriet dɛn fɔ di ɔyl we dɛn de mek fɔ prodyuz, bikɔs ɔf di domestik sɔs we di mayn inflɔɛns, ay impyuriti kɔntinyu, lɔw klin, in ad pan in sɔfays wit pɔsitiv chaj, ay polariti, maykroskɔpik intanɛnt strɛs, so dat di kɔnduktiviti go rich 250 PS-CM. . We wi tink bɔt di sem amɔnt ɔf magnɛsiɔm haydroksayd gɛt bɛtɛ flɛm retardant prɔpati pas aluminiɔm haydroksayd, wi ɛn magnɛsiɔm haydroksayd manifakta dɛn jɔyn fɔ ɔptimayz di fizik indikɛtɔ dɛn fɔ magnɛsiɔm haydroksayd, di vayriet dɛn fɔ sɔfayz modifya ɛn prodakshɔn we dɛn de yuz, ɛn ɔda tin dɛn, ɛn dɛn de prodyuz tu kayn magnɛsiɔm haydroksayd we fit fɔ di prodakshɔn fɔ di prodakshɔn fɔ di EPDM’sulet ADHESive Matirial
MH3005 ɛn MH3005Z EPDM insulin rɔba gɛt ay volyum rɛsistiviti, we di insulin kɔr we dɛn mek wit MH3005Z rɔba basically mit di rikwaymɛnt dɛn fɔ IEC 60502, bɔt di insulin prɔpati dɛn fɔ MH3005 rɔba na rili ay. Bɔt di insuleshɔn pefɔmɛns fɔ di kɔr we dɛn mek wit MH3005 rɔba rili smɔl, ɛn dɛn ɛstimat se di sɔfayz strɔkchɔ fɔ di kɔr bin pwɛl di tɛm we di ɛkstrushɔn vulkanizayshɔn prɔses, ɛn di rizin nid fɔ de fɔ fɛn mɔ.
Ɔl togɛda, we yu kɔmpia am wit di EPDM insulin rɔba wit modifyed magnɛsiɔm haydroksayd nɔmɔ ɛn EPDM insuleshɔn rɔba wit aluminiɔm haydroksayd nɔmɔ, di fɔs wan gɛt gud flame retardant prɔpati, ay tɛnsiɛl trɛnk, ɛn bɛtɛ insuleshɔn prɔpati afta spɛshal sɔfays modifyeshɔn, bɔt i stil gɛt risk fɔ digradishɔn fɔ insuleshɔn we de insay di insuleshɔn we de insay di insuleshɔn we dɛn de gi am na di insuleshɔn we dɛn de gi am na di insuleshɔn.
2. Di effekt we inɔgɛnɛk flɛm retardant dɛn gɛt pan di pefɔmɛns fɔ lɔw-smok, halojen-fri flaym retardant EPDM insulin adhesives
Single use of magnesium hydroxide or aluminum hydroxide inorganic flame retardant can not simultaneously meet the requirements of the electrical properties and flame retardant properties, so the aluminum hydroxide and magnesium hydroxide and its effect on the performance of low-smoke halogen-free flame-retardant EPDM insulating adhesive, ATH 104E and MH3005Z dosage of a total of 120 parts, with Di inkris na di doz fɔ MH3005Z, di Menni viskɔsiti ɛn tɛnsiɛl trɛnk fɔ EPDM insulin adhesive inkris, flame retardant prɔpati inkris, volyum rɛsistiviti dɔn go dɔŋ. Wit di inkris na MH3005Z, di Menni viskɔsiti ɛn tɛnsiɛl trɛnk fɔ EPDM insulin adhesive inkris, di flame retardant prɔpati inkris, ɛn di volyum rɛsistiviti de go dɔŋ. We di ratio fɔ ATH 104E/MH3005Z na 90/30, di insulin ɛn flame retardant prɔpati dɛn fɔ EPDM insulin adhesive mit di rikwaymɛnt dɛn. Kɔmpiashɔn fɔ ATH 104E / MH3005Z ɛn di ratio fɔ 110 / 10 ɛn 120 / lo tu kes dɛm, pan ɔl we di inkris fɔ 10 pat pan ATH 104E afta di EPDM insuleshɔn adhesive flame retardant prɔpati dɛn dɔn impɔtant, bɔt di fizik prɔpati dɛm we de go dɔŋ kwik kwik wan. Lath 104E / MH3005Z ɛn di ratio fɔ 70 / 50 ɛn 70 / 40 tu kes, ridyus 10 pat pan MH3005Z Pan ɔl we i kin impruv di insuleshɔn prɔpati dɛm fɔ di rɔba, bɔt di flawa retardant prɔpati dɛm nɔ de mit di rikwaymɛnt dɛm. Fɔ mek shɔ se dɛn gɛt flawa retardant prɔpati, dɛn nɔ go ebul fɔ ridyus di totɛl amɔnt fɔ flaym retardant.
EPDM insulation rubber materialless smokes density na 355 ɔ so, wit di amount of inɔgɛnɛk flame retardant ɛn wit nɔ klia rilayshɔn wit di ratio, dis na bikɔs ɔf di fɔmula fɔ ɔl di komponent dɛn, di fɔmɛshɔn fɔ smok na men wan EPDM, pan ɔl we di inɔgɛnɛk flame retardant kin impruv di flame retardant prɔpati dɛn, ɛn i nɔ kin prodyuz smok rilis bay di rɔba we di rɔba kin gɛt.
3. Smok Ridyusin Ejent pan di pefɔmɛns fɔ lɔw-smok halojen-fri flaym-rɛtardant EPDM insulin kɔmpawnd
JB / T 10707 - 2007 'Thermoplastic halogen-fri low-smok flame retardant cable materials' nid fɔ mek di smok we de kɔmɔt na di rɔba matirial nɔ fɔ big pas 250, fɔ mek dɛn nɔ ad di smok we de na di rɔba matirial. Montmorillonite gɛt kalsiɔm-bɛs, sɔdyɔm-bɛs, magnɛsiɔm-bɛs Montmorillonite, afta dɛn dɔn strip ɛn dispershɔn, purifyeshɔn ɛn modifyeshɔn, spɛshal ɔrganik kɔmpɔzit, di avɛrej tik we di layt gɛt smɔl pas 25 nm. Montmorillonite na di wan we dɛn pik fɔ ajɔst bɛtɛ smok ifɛkt.
Montmorillonite pan di EPDM insulation rubber material Smok density of di impakt na rili klia, bɔt i kin bi smɔl inkris na flame retardant prɔpati, we ɔda prɔpati dɛn gɛt smɔl impak; Wit di inkris na di amount of Montmorillonite, EPDM insulation rubber material smok dens drop smɔl smɔl, ɛn dɛn kin te fɔ stebul, tek in kɔnt di kɔst factor dɛm, pik di amount of montmoillonite fɔ 5 pat.
4 Kɔnkliushɔn .
(1) Insay di halogen-fri low-smok flame retardant EPDM insulin adhesive, di flame retardant effect of modifyed magnesium hydroxide wit di sem dosage bɛtɛ pas di wan we aluminium haydroksayd gɛt, bɔt magnɛsiɔm haydroksayd gɛt big impak pan di ilɛktrik insuleshɔn prɔpati dɛm.
(2) aluminium haydroksayd ɛn magnɛsiɔm haydroksayd ɛn wit ratio fɔ 90 / 30, lɔw smok ɛn halojen-fri flame retardant EPDM insuleshɔn adhesive matirial gɛt gud flame retardant prɔpati ɛn insuleshɔn prɔpati.
(3) Di yus fɔ Montmorilonite kin ridyus di smok dɛnsiti fayn fayn wan fɔ di lɔw-smok halojen-fri flame retardant EPDM insulation adhesive, bɔt wit di inkris na in doz, di smok density fɔ di adhesive de go dɔŋ sloslo, ɛn di bɛst doz fɔ Montmorillonite na 5 pat.
