Cwaninga ngentuthu ephansi ne-halogen free flame retame retardant ethylene proplene ruble enjoloba enjoloba enjoloba

I-ethylene propylene rubber (EPR), kufaka phakathi i-Binary Ethylene Properler and Ternary ethylene purlene rubber (i-ethdm) izigaba ezimbili, injoloba kagesi okuhle, futhi kube yindlela ebanzi ephathelene ne-styrene-buthadiene rubber njengendwangu yokufakwa kwentambo. Ngezidingo eziphakeme ngokwengeziwe zendawo yokubeka, ucingo kanye nekhebula zithuthukiswa zibheke ilangabi eliphansi le-flame-free amabanga acwebezelayo, nesakhiwo sayo esisezingeni eliphansi, nesakhiwo se-flame retardant, kuphela nge-flame retardant ukuze kufinyelelwe inhloso ye-flame retardant, ngakho-ke ngokulandelana Ukwenza izinto eziphansi ze-Hoologen-Retacration Free Ucwaningo lukhombisile ukuthi izakhiwo zikagesi ze-EPDM zithinteka kakhulu yi-Flame Retardant, vele ungeze izingxenye ezingama-80 ze-Hydroxide Flame Retardant kuzokwenza i-IEC 6502 Ukumelana /> ​​3.67 m ω -km kanye ne-Volume Resiture ukuthuthukiswa okuhamba kancane kwe-low-smoke halogen-retardant EPR enjoloba eminyakeni edlule, ngenkathi amahlandla agcwele amalangabi kanye ne-magreath hydroxide kanye ne-magresium hydroxide kanye nocwaningo lwe-magnonium kanye nokuthuthukiswa kwezindlela ezintsha zokukhiqiza, kungenzeka ukuthi uhlangane nalokhu okungenhla Izidingo.

1 Umphumela we-Inorganic Flame Retardant Izinhlobo ekusebenzeni kwe-epdware ye-epdware ye-epdm ephansi ye-epdm

Amandla ashubile e-EPDM efaka ukunamathela okunamathela nge-magnesium hydroxide enkulu kunazo zonke, ikakhulukazi ngenxa yokuthi

I-Magnesium Hydroxide iyi-crystalline enjengelinaliti, usayizi wezinhlayiyana ngaphansi kwama-2μm, futhi ngokuguqulwa kwe-ejenti yokuhlangana ye-silane ukuthuthukisa amandla okubopha kanye ne-EPDM. Ngokuqhathanisa inkomba ye-oxygen kanye nebanga lokuhlanza mpo, kungabonakala ukuthi umphumela we-flame retardant we-magnesium hydroxide uphakeme kunalokho kwe-aluminium hydroxide, lokhu kungenxa yokuvulwa kokuwohloka komzimba okwenzeka ngaphambi kwesikhathi ngenxa yokushisa okuphezulu ngenxa yokushisa okuphezulu inqubo, ngaphezu kwalokho i-magnesium hydroxide izokwakha ungqimba wefilimu oxidized adderbed ebusweni bezinto ezinamanzi ngemuva kokutholwa kwamalahle, ngemuva kokwehla kwamanzi, okuzokwakha ungqimba lwefilimu elinamandla ngaphezulu kwezinto zenjoloba, futhi kugqugquzele ukwakheka kwe I-Carbon, yakha igobolondo elinzima ebusweni bezinto zenjoloba, ngempumelelo umoya-mpilo ohlukanisa umoya, ngaleyo ndlela uthuthukise uhlelo lwe-flame retardant. Ukuqhathanisa ukumelana kwevolumu kungaphethwa, i-aluminium hydroxide kwi-ethdm insulation enjona injoloba irabha ne-ethrlene, irabha eliphakeme, elinomswakama onamakhaza, kusetshenziswa kabanzi lapho kulungiswa izintambo nezintambo, futhi kube yi-a Enye indawo ehlukile emzimbeni oyinhloko we-styrene-buthadien rubber njengezinto zokufakwa kwentambo. Ngezidingo eziphakeme ngokwengeziwe zendawo yokubeka, ucingo kanye nekhebula zithuthukiswa zibheke ilangabi eliphansi le-flame-free amabanga acwebezelayo, nesakhiwo sayo esisezingeni eliphansi, nesakhiwo se-flame retardant, kuphela nge-flame retardant ukuze kufinyelelwe inhloso ye-flame retardant, ngakho-ke ngokulandelana Ukwenza izinto eziphansi ze-Hoologen-Retacration Free Ucwaningo lukhombisile ukuthi izakhiwo zikagesi ze-EPDM zithinteka kakhulu yi-Flame Retardant, vele ungeze izingxenye ezingama-80 ze-Hydroxide Flame Retardant kuzokwenza i-IEC 6502 Ukumelana /> ​​3.67 m ω -km kanye ne-Volume Resiture ukuthuthukiswa okuhamba kancane kwe-low-smoke halogen-retardant EPR enjoloba eminyakeni edlule, ngenkathi amahlandla agcwele amalangabi kanye ne-magreath hydroxide kanye ne-magresium hydroxide kanye nocwaningo lwe-magnonium kanye nokuthuthukiswa kwezindlela ezintsha zokukhiqiza, kungenzeka ukuthi uhlangane nalokhu okungenhla Izidingo.

1. Ithonya lohlobo lwe-inorganic flame retardant retardant ekusebenzeni kwentuthu ephansi ye-ePDM ye-ePDM ye-ePDM ye-epdm

Amandla axegayo e-EPDM okufakwayo okunamathela okunamathela nge-Magnesium Hydroxide ngobukhulu, ikakhulukazi ngenxa yokuthi i-magnesium hydroxine i-crystalline enjenge-magnosium, futhi ngokuguqulwa kwe-ejenti yokuhlangana ye-silane ukuthuthukisa amandla okubopha kanye ne-EPDM. Ngokuqhathanisa inkomba ye-oxygen kanye nebanga lokuhlanza mpo, kungabonakala ukuthi umphumela we-flame retardant we-magnesium hydroxide uphakeme kunalokho kwe-aluminium hydroxide, lokhu kungenxa yokuvulwa kokuwohloka komzimba okwenzeka ngaphambi kwesikhathi ngenxa yokushisa okuphezulu ngenxa yokushisa okuphezulu inqubo, ngaphezu kwalokho i-magnesium hydroxide izokwakha ungqimba wefilimu oxidized adderbed ebusweni bezinto ezinamanzi ngemuva kokutholwa kwamalahle, ngemuva kokwehla kwamanzi, okuzokwakha ungqimba lwefilimu elinamandla ngaphezulu kwezinto zenjoloba, futhi kugqugquzele ukwakheka kwe I-Carbon, yakha igobolondo elinzima ebusweni bezinto zenjoloba, ngempumelelo umoya-mpilo ohlukanisa umoya, ngaleyo ndlela uthuthukise uhlelo lwe-flame retardant. Ukuqhathanisa ukumelana kwevolumu kungaphethwa, i-aluminium hydroxide ku-EPDM insulation yokufakelwa kwe-emprest yokufakelwa komthelela incane kakhulu kune-magnesium hydroxide, lokhu kungenxa yokuthi i-ath 104e yokuqhuma ayikho ngaphezu kwama-60 ps-cm ~; kanye ne-hydroxide ejwayelekile ye-magnesium, njengezinhlobonhlobo zendlela yokukhiqiza, ngenxa yomthombo wasekhaya wethonya lezimayini, okuqukethwe okuphezulu, ubumsulwa obusezingeni eliphakeme, ukuze kucindezelwe okungaphezulu, ukuze kube nokusebenza kwengcindezi kufinyelela ku-250 ps-cm. I-1 noma ngaphezulu, inani elikhulu le-magnesium hydroxide elengezwe ezintweni ezibonakalayo zerabha le-EPDM lizokwenza ukuthi izakhiwo ezifakiwe zenjoloba zinciphise kakhulu, yize i-magnesium hydroxide ngemuva kokulashwa okukhethekile kokuguqulwa kwempahla enjoloba, kepha imiphumela namanje ayikahle. Ukucabanga ngenani elifanayo le-magnesium hydroxide lingcono amalangabi wezakhiwo ze-flame retardant kune-aluminium hydroxide, izinhlobo zezindlela zokukhiqiza ze-magnosium, njll. I-MH3005 ne-MH3005Z.

I-MH3005 ne-MH3005Z EPDM injoloba okuphezulu kwethamo levolumu, okwakukhona okuyisisekelo okufakwayo okwenziwe nge-MH3005Z ngokuyisisekelo kuhlangabezana nezidingo ze-IEC 60502, kepha izakhiwo ezifaka injoloba ziphezulu. Kodwa-ke, ukusebenza kwe-insulation komgogodla owenziwe ngerabha i-MH3005 kuphansi, futhi kulinganiselwa ukuthi ukwakheka komhlaba kokonakala ngesikhathi senqubo yokubanjiswa kobuntu, futhi isizathu sidinga ukudingidwa.

Sekukonke, kuqhathaniswa nerabha lokufakwa kwe-EPDM nge-Magnesium Hydroxide kuphela kanye ne-aluminium hydroxide kuphela, indawo evuthayo ye-aluminium i-aluminite adrolifing, ngenkathi impahla evuthayo ye-aluminium hydroxide ingcono, futhi ikhona Ukuzwelana kungahlangabezana nezidingo noma ngaphandle kokuguqulwa.

2. Umphumela we-Inorganic Flame Retandarants ekusebenzeni kwentuthu ephansi, amalangabi we-halogen-free free retarm wokufaka ama-ePDM

Ukusetshenziswa okukodwa kweMagnesium Hydroxide noma i-Aluminium Hydroxide Inorganic Flame RetacArdant ayikwazi ukuhlangabezana ngasikhathi sinye izidingo zezakhiwo zikagesi kanye ne-aluminium hydroxities kanye ne-aluminium hydroxities adhesive ephansi, i-ath 104e kanye ne-mH3005z Umthamo wengxenye yezingxenye eziyi-120, ngokwanda komthamo we-MH3005Z, i-Menni Viscosity kanye namandla ashukumisayo e-EPDM ukunamathela okunamathela okunamathela, ukumelana kwamalangabi kwandisiwe, ukuzwelana kwevolumu kwancipha. Ngokukhuphuka kwe-MH3005Z, i-Menni Viscosity kanye namandla ashukumisayo e-EPDM insulative anama-adhesive anama-adhesive, impahla ye-flame retardant iyanda, futhi ukumelana kwevolumu kuyancipha. Lapho isilinganiso se-Ath 104E / MH3005Z singama-90/30, izakhiwo ezivuthayo ze-infartiting and flame retardant ye-EPDM inhlengetha anama-adhesive ahlangabezana nezidingo. Ukuqhathaniswa kwe-Ath 104E / MH3005Z kanye nesilinganiso esingu-110/10 no-120 / Lona amacala amabili, yize ukwanda kwezingxenye eziyi-10 zokufaka amalangabi ngemuva kokuwohloka kwamalangabi. I-Lath 104e / MH3005Z kanye nesilinganiso samacala angama-70/50 namaphesenti amabili, anciphise izingxenye eziyi-10 ze-MH3005Z yize kungathuthukisa izakhiwo zokufakwa kwerabha, kepha ilangabi le-retardies alihlangabezani nezidingo. Ukuze uqinisekise izakhiwo ze-Flame Retardant, inani eliphelele le-Flame Retardant alikwazi ukwehliswa.

I-EPDM insulation enjoloba ye-auression fluoure flaw flu oneression ingama-355 noma ngaphezulu, ngenani le-inorganic flame retardant futhi ngaphandle kwendlela yokubhema, lokhu kungenxa yentuthu ye-EPDM, kepha kungakhiqizi intuthu, kepha akunakunciphisa intuthu, kepha akunakunciphisa intuthu ekhishwe yiRubber Matrix Matrix Matrix Matrix.

I-3. Ukubhema ukunciphisa i-ejenti ekusebenzeni kwe-flame-rame-retardant free epd-retardant EPDM insulating yendawo

I-JB / T 10707 - 2007 'I-Thermoplastic Halogen-Free-Smoke Flame Retame retardant tearad ' idinga ukuthi ubuningi bamabhemo we-flaces of the rubber angeke bube bukhulu kuno-250, ukuze banciphise ubuningi bentuthu yenjoloba kumele bungezwe emugqeni werabha. I-Montmorillonite iqukethe i-calcium-based, i-sodium-based, i-montmorillonite esekelwe kwi-magnosium, ngemuva kokuhlakazeka, ukuhlanzwa, ukuhlanzwa kanye nokuguqulwa, ukuguquguquka okuyisilinganiso, ubukhulu obuphakathi kwesendlalelo bungaphansi kwama-25 nm. IMontmorillonite ikhethiwe ukufeza umphumela ongcono wentuthu.

I-Montmorillonite ku-EPDM insulation enjoloba ye-EPDM ebonakalayo yomthelela isobala kakhulu, kepha futhi ingaba ukwanda okuncane kwezakhiwo ze-flame retardant, kuyilapho ezinye izakhiwo zinomthelela omncane; Ngokwanda kwenani leMontmorillonite, i-EPDM yokufakwa kwentuthu yentuthu yentukuthelo yehla kancane kancane incishiswe kancane kancane, futhi ithambekele ekuzinzileni, kucatshangelwa izici zezindleko, khetha inani leMontmorillonite izingxenye ezi-5.

4 Isiphetho

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