(1)Intuthu ephansi yentuthu ephansi ye-soles halogen polyethylene (XLPE) impahla yokufakelwa:
I-XLpe insulation impahla ikhiqizwa ngokuhlanganisa i-polyethylene (pe) kanye ne-ethylene vinyl acetate (EVA) njenge-matrix eyisisekelo, kanye nezithasiselo ezingezinhlobo zamalangabi ezifana ne-talogen-free taleme retame, ama-antionioniants, njll. Ngemuva kokusebenza kwe-irradiation, i-PE iguqula kusuka esakhiweni samangqamuzana aqondile esakhiweni esinezinhlangothi ezintathu, ishintsha kusuka ezintweni ze-thermoplastic ziye kwipulasitiki yeplastiki ye-insoluble.
Izintambo ze-XLpe zokufakelwa zinezinzuzo eziningana uma ziqhathaniswa ne-thermoplastic Pe ejwayelekile:
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2. Ukuqina okuthuthukile kwamakhemikhali kanye nokumelana ne-solvent, kuncishiswe ukugeleza okubandayo, futhi kugcinwe izakhiwo zikagesi. Amazinga okushisa okusebenza isikhathi eside angafinyelela ku-125 ° C kuye ku-150 ° C. Ngemuva kokucutshungulwa kokuxhumanisa, izinga lokushisa elifushane le-PE lingandiswa libe ngu-250 ° C, livumela umthamo ophakeme wamanje wamanje wezintambo zobukhulu obufanayo.
I-3. Izintambo ze-XLPE ezifakiwe zibonisa futhi nezinto ezingavikeleki zemishini ezinhle kakhulu, ezingavinje, kanye nezokulungisa izintambo zezimayini, izintambo zezimoto, izintambo zezimoto, izintambo ze-automotive, izintambo zemvelo, i-1e-grade Amakhebuli, namakhabethe okuhambisa amandla.
Izikhombisi-ndlela zamanje ekuthuthukisweni kwezinto ezibonakalayo ze-XLpe zifaka phakathi ukufakwa kwamandla okufakwa kwamandla okufakwayo kwamandla okufakwa kwamandla okufakwa kwamandla okufakwa kwamandla okufakwa kwamandla okufakwa kwamandla okufakwa kwamandla okufakwa kwe-PE, kanye ne-irradiation cross-retadiation exhumene nezinto zokwakha i-flame-retadant
(2)I-Cross-liclowed polypropylene (XL-PP) impahla yokufaka:
I-PolyPropylene (PP), njengepulasitiki ejwayelekile, inezici ezinjengesisindo esikhanyayo, imithombo yezinto ezibonakalayo ebanzi, ukuphumelela izindleko, ukuqina kokubumba okuhle, nokubuyiselwa kwemali. Kodwa-ke, kunomkhawulo onjengamandla aphansi, ukumelana nokushisa okumpofu, ukumelana okuphezulu kwe-shrinkage, ukumelana okuphezulu, ubucwebe bokushisa okuphansi, ukumelana okuphansi kokufudumala nokuguga kwe-oxygen. Lokhu kulinganiselwa kunqunyelwe ukusetshenziswa kwayo ezinhlelweni zekhebula. Abaphenyi bebelokhu besebenzela ukuguqula izinto ze-polypropylene ukuthuthukisa ukusebenza kwazo jikelele, kanye ne-irradiation exhunywe ngokuxhumeka kwe-polypropylene (i-XL-PP) ihlule kahle lokhu kulinganiselwa.
Izintambo ze-XL-PP ezifakiwe zingahlangana nezivivinyo zelangabi ze-UL VW-1 kanye namazinga we-UL-rated 150 ° C Wile. Ku-Cable application esebenzayo, i-EVA ivame ukuhlanganiswa nge-PE, PVC, PP, nezinye izinto ukulungisa ukusebenza kwesendlalelo sentambo yekhebula.
Enye yezinkinga ze-Irradiation exhumene ne-PP exhumekile ukuthi ifaka ukusabela okuncintisanayo phakathi kokwakheka kwamaqembu okugcina angafakwanga ngokuphendula okuwohloka okungekho emthethweni kanye nokuphendula okuxhumene phakathi kwama-molecule avuselelayo kanye nama-molecule amakhulu ama-radicals avuselelayo. Ucwaningo luye lwabonisa ukuthi isilinganiso sokuwohloka ekungeneni okuxhumeka ekuxhumaneni nasekuxhumaneni kwe-PP okuxhumeka cishe ngo-0,8 lapho usebenzisa i-gamma-ray irradiation. Ukufinyelela ukusabela okusebenzayo okuxhumanisayo ku-PP, abagqugquzeli abaxhumanisa ngokuwela badinga ukungezwa ngokuxhumeka kwe-irradiation. Ngokwengeziwe, ubukhulu bokuxhuma okusebenzayo bunqunyelwe amandla okungena we-elektroni ngesikhathi sokufakelwa. I-Irradiation iholela ekukhiqizweni kwegesi kanye ne-Foaming, ezuzisa ukuxhumeka okuphambanisa imikhiqizo emincane kepha kukhawulela ukusetshenziswa kwezintambo ezinamakhebula abiyelwe ngo-nye.
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Njengoba isidingo sokuphepha kwe-Cable sikhuphuka, ukuthuthukiswa kwamakhembu angenamikhawulo e-halogen-retardant axhunyiwe ama-flame-retardant akhule ngokushesha. Uma kuqhathaniswa noPe, EVA, owethula ama-monomer we-vinyl actate kuma-colecular chain, anekristality ephansi, okuholela ekuguqukeni okuthuthukile, ukumelana nomthelela, ukuhambisana nokushisa okushisa. Ngokuvamile, izakhiwo ze-Eva Resin zincike kokuqukethwe kwama-vinyl acetate monomers ku-chain molecular. Okuqukethwe okuphezulu kwe-vinyl acetate kuholela ekubonakaleni okusobala, ukuguquguquka, kanye nobunzima. I-Eva Resin inokuhambisana okuhle kakhulu kwe-filler kanye nokuxhumeka kwesiphambano, okwenza kuthandwe kakhulu e-halogen-free flame-retardant care-retardant carsed
U-Eva Resin ngokuqukethwe kwe-acetate ye-vinyl ecishe abe ngu-12% kuya ku-24% kuvame ukusetshenziswa ocingweni nakukufakwa kwentambo. Ezihlolisweni zangempela zekhebula, i-EVA ivame ukuhlanganiswa nge-PE, PVC, PP, nezinye izinto ukulungisa ukusebenza kwesendlalelo sentambo yekhebula. Izakhi ze-EVA zingakhuthaza ukuxhumanisa ukuwela, ngcono ukusebenza kwekhebula ngemuva kokuxhumanisa.
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I-XL-EPDM iyi-Terpolymer eyakhiwe nge-ethylene, i-propylene, kanye nama-diene monomers we-diene, exhumene ne-irradiation. Izintambo ze-XL-EPDM zihlanganisa izinzuzo zezintambo ze-polyolefin-intated kanye nezintambo ezijwayelekile zenjoloba:
1. Ukuvumelana nezimo, ukuqina, ukubekezela emazingeni okushisa aphezulu, ukumelana nokuguga kwesikhathi eside, kanye nokumelana nezimo zezulu ezinzima (- 000 ° C kuye ku-125 ° C).
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3. Ukumelana namafutha nama-solvents kuqhathaniswa nokufakwa kwenhloso okujwayelekile kwe-chloroprene rubber. Ingakhiqizwa kusetshenziswa imishini yokusebenza evamile eshisayo eshisayo, okwenza kubiza kakhulu.
Izintambo ze-XL-EPDM-Insurated zinezinhlobonhlobo zezicelo, kufaka phakathi kepha kungagciniwe kumakhekhe wamandla okusebenza kwamandla aphansi, izintambo zokuhambisa izimoto ze-Reftigen Compressors, izimbazi zemayini zeselula, imishini yokumba kanye namadivayisi wezokwelapha.
Ububi obukhulu bezintambo ze-XL-EPDM bufaka ukumelana nobunzima bokuqina kwezinyembezi kanye nezindawo ezinamathela ezinamathela nokuzinamathela, ezingathinta ukucubungula okulandelayo.
(5) I-Silicone Rubber Insulation Material
I-Silicone Rubber enokuguquguquka nokumelana okuhle kwe-Ozone, ukuphuma kwe-corona, namalangabi, okwenza kube yinto efanelekile yokufakelwa kukagesi. Isicelo sayo sokuqala emkhakheni kagesi senzelwe izintambo namakhebuli. Izintambo ze-Silicone Rubber kanye nezintambo zilungele kahle ukusetshenziswa kwezinga lokushisa eliphakeme nezindawo ezifunwayo, ezinesikhathi eside esinde kakhulu ngokuqhathaniswa nezintambo ezijwayelekile. Izicelo ezijwayelekile zifaka phakathi ukuhamba kwamazinga okushisa aphezulu, ama-transformers, ama-generator, ama-elekthronikhi kanye nemishini kagesi, izintambo zokulahla ezimotweni zokuhamba, namandla asolwandle nezintambo zokulawula nezintambo zokulawula.
Njengamanje, izintambo ze-silicone ezifakwe irabha zixhumene ngokujwayelekile zisebenzisa ingcindezi yomkhathi emoyeni oshisayo noma umusi omkhulu wengcindezelo. Kukhona nocwaningo oluqhubekayo lokusebenzisa i-elektroni i-irradiation ye-ailber exhumanisa ne-silicone exhumanisa, yize ibingakathandeki emkhakheni wamakhebula. Ngentuthuko yakamuva kubuchwepheshe obuxhuma nge-irradiation, inikeza izindleko eziphansi, ezisebenza kahle, nezemvelo zemvelo zenqubomgomo ye-silicone rubber infations. Ngokusebenzisa i-elektroni i-irradiation noma eminye imithombo yemisebe, ukuxhumeka kahle kwesiphambano sokufakwa kwe-silicone Rubber kungatholakala ngenkathi kuvumela ukulawulwa kokujula kanye nezinga lokuxhumanisa nokuxhumanisa kwesicelo.
Ngakho-ke, ukusetshenziswa kwe-Irradiation Cross-Sick Technology for Silicone Rubber Insurtures Materials ibambe isithembiso esibalulekile embonini ye-wire kanye nekhebula. Lobu buchwepheshe kulindeleke ukuthi banciphise izindleko zokukhiqiza, bathuthukise ukusebenza kahle kokukhiqiza, futhi bafake isandla ekunciphiseni umthelela ophikisayo wezemvelo. Ucwaningo Nesikhathi Esizayo Ucwaningo Nemizamo Yentuthuko lungaqhubeka nokuqhuba ukusetshenziswa kwe-irradiation exhumanisa ubuchwepheshe bezinto zokwehlukanisa izinsimbi ze-silicone, ukuzenza zisebenze kabanzi ekukhiqizeni izinga lokushisa eliphakeme, izintambo eziphakeme nezintambo embonini kagesi. Lokhu kuzohlinzeka ngezixazululo ezithembekile nezihlala kakhudlwana zezindawo ezahlukahlukene zohlelo lokusebenza.
Isikhathi sePosi: Sep-28-2023