Pamene zingwe zamagetsi zapakati ndi zapamwamba, zingwe zatsopano zamagetsi, zingwe za sitima, ndi zomangamanga zolumikizirana zikupitilira kusintha, opanga zingwe akugogomezera kwambiri kudalirika kwa zipangizo za zingwe kwa nthawi yayitali.Mankhwala oteteza a XLPE, mankhwala oteteza magetsi otulutsa mpweya (semiconductor shield compounds) amagwira ntchito yofunika kwambiri pozindikira kufalikira kwa magetsi, momwe magetsi amagwirira ntchito, komanso nthawi yayitali yogwirira ntchito ya zingwe zamagetsi.
Ethylene Ethyl Acrylate (EEA) imagwiritsidwa ntchito kwambiri ngati utomoni woyambira wa zinthu zoteteza zomwe zimayenda pang'onopang'ono m'zingwe zamagetsi za XLPE zapakati komanso zapamwamba. Chifukwa cha kugwirizana kwake bwino ndi zodzaza, kukana kutentha, kusinthasintha kwa kutentha, komanso magwiridwe antchito okhazikika, EEA yakhala imodzi mwa zinthu zofunika kwambiri za polima zomwe zimagwiritsidwa ntchito muzinthu zamagetsi zamagetsi.
Nchifukwa chiyani EEA imagwiritsidwa ntchito mu Semiconductive Shielding Compounds?
EEA ndi polar ethylene copolymer yopangidwa ndi free-radical copolymerization ya ethylene ndi ethyl acrylate pansi pa mikhalidwe yamphamvu kwambiri. Kuyika magulu a polar ester mu unyolo wa polymer kumapatsa EEA ubwino wambiri kuposa LDPE ndi EVA wamba, zomwe zimapangitsa kuti ikhale yoyenera kwambiri pazinthu zoteteza zomwe zimapangitsa kuti zikhale zozungulira.
Kapangidwe kake ka polar kamathandizira kuti kagwirizane ndi kaboni wakuda woyendetsa, zomwe zimathandiza kuti chodzaza chifalikire mofanana ndikupanga netiweki yoyendetsa yokhazikika. Izi zimathandiza kuti magetsi aziyenda bwino nthawi zonse mu gawo lonse la semiconductive shielding.
EEA imaperekanso kusinthasintha kwabwino kwambiri pa kutentha kochepa, kukana kupsinjika kwa chilengedwe (ESCR), komanso kukana kukalamba kwa kutentha, zomwe zimathandiza kuti chotchingira chisunge mphamvu zake zamagetsi komanso zamagetsi panthawi yogwira ntchito kwa nthawi yayitali. Poyerekeza ndi EVA, EEA imapereka kukhazikika kwa kutentha bwino mkati mwa kutentha kwanthawi zonse kwa chingwe ndipo simatulutsa zinthu zina zowononga monga acetic acid panthawi yokonza, zomwe zimapangitsa kuti ikhale yosavuta kugwiritsa ntchito pazida.
Kugwiritsa Ntchito Kwambiri kwa EEA mu Zipangizo Zazingwe
Kugwiritsa ntchito kwakukulu kwa EEA mumakampani opanga ma chingwe ndi utomoni woyambira wa zinthu zotchingira zomwe zimagwiritsidwa ntchito mu zingwe zamagetsi za XLPE zapakati komanso zapamwamba.
Chingwe chamagetsi chapakati kapena champhamvu kwambiri chimakhala ndi chishango cha conductor, XLPE insulation, chishango cha insulation, ndi chophimba chachitsulo. Monga polima yoyambira mu semiconductive shielding compounds, EEA imawongolera kufalikira kwa conductive carbon black, imawonjezera kukhazikika kwa magetsi a shielding layer, komanso imalimbikitsa kumatirira kwamphamvu ku XLPE insulation. Makhalidwe amenewa amathandiza kuchepetsa chiopsezo cha kutulutsa pang'ono ndikuwonjezera kudalirika kwa nthawi yayitali kwa cable insulation system.
Kuwonjezera pa zingwe zamagetsi, EEA imagwiritsidwanso ntchito mu zingwe zatsopano zamagetsi, zingwe za sitima, ndi zipangizo zina za zingwe zogwira ntchito kwambiri.
Chifukwa chiyani ma semiconductor shielding compounds ambiri akugwiritsa ntchito EEA?
Pamene opanga zingwe akupitilizabe kufunafuna kudalirika kwambiri, EEA yakhala chisankho chodziwika bwino cha mankhwala oteteza mpweya omwe amayendetsa mpweya. Kugwirizana kwake kwabwino kwambiri ndi kaboni wakuda, kukana kutentha, kusinthasintha kwa kutentha pang'ono, komanso kukhazikika kwa kukonza kumathandiza kuti mankhwala oteteza mpweya azigwira ntchito nthawi zonse ngakhale pakakhala zovuta pakugwira ntchito.
Ubwino wina waukulu ndi kulimba kwake kwamphamvu pa kutchinjiriza kwa XLPE, komwe kumathandiza kuchepetsa zolakwika pa mawonekedwe ake ndikuchepetsa chiopsezo cha kutuluka pang'ono. Kuphatikiza ndi zenera lake lalikulu lopangira, EEA imathandizanso kukhazikika kwa extrusion komanso kusinthasintha kwakukulu kwa zinthu, zomwe zimapangitsa kuti ikhale utomoni woyambira wofunikira kwambiri wa zinthu zotchingira ma semiconductor mu zingwe zamagetsi zapakati ndi zapamwamba.
Zoganizira Zokhudza Kukonza EEA
Kuti EEA igwire bwino ntchito m'zingwe, opanga ayenera kusankha mtundu woyenera kutengera kuchuluka kwa ethyl acrylate (EA), kuchuluka kwa madzi osungunuka (MFR), kapangidwe ka zingwe, ndi zofunikira pakukonza. Kutentha kwa madzi otuluka kuyeneranso kulamulidwa mkati mwa mulingo woyenera kuti kutentha kusamawonongeke.
Pa mankhwala oteteza mpweya odzaza kwambiri, kuumitsa bwino musanatulutse mpweya kuti muchepetse thovu ndi zolakwika pamwamba. Pa mankhwala oteteza mpweya oteteza mpweya olumikizana, njira yolumikizira mpweya iyeneranso kuyendetsedwa mosamala kuti iwonetsetse kuti magetsi akugwira ntchito bwino kwa nthawi yayitali komanso kuti kutentha kusamakule.
Mapeto
Pamene zingwe zamagetsi zapakati ndi zapamwamba, zingwe zatsopano zamagetsi, ndi zingwe za sitima zikupitilira kufunikira kudalirika kwakukulu, magwiridwe antchito a zinthu zoteteza mpweya m'maselo akhala ofunikira kwambiri. Chifukwa cha kugwirizana kwake bwino ndi zodzaza, kukana kutentha, kusinthasintha kwa kutentha, komanso kukhazikika kwa kukonza, EEA yakhala imodzi mwa ma resin oyambira omwe amakondedwa kwambiri pazinthu zoteteza mpweya m'maselo.
Kwa opanga ma chingwe, kusankha mtundu woyenera wa EEA ndikukonza bwino kapangidwe kake ndi kaboni wakuda woyendetsa, makina olumikizirana, ndi mikhalidwe yoyenera yogwiritsira ntchito kungathandize kukhazikika kwa makina opangira, kusinthasintha kwa malonda, komanso kudalirika kwa nthawi yayitali kwa makina oteteza ma chingwe.
Chodzikanira: Zomwe zaperekedwa munkhaniyi ndi zaukadaulo wokha. Kugwira ntchito kwenikweni kwa EEA kumatha kusiyanasiyana kutengera mtundu, kapangidwe, ndi momwe zinthu zimagwiritsidwira ntchito. Kuyesa pansi pa mikhalidwe inayake yogwiritsira ntchito kumalimbikitsidwa musanagwiritse ntchito.
Nthawi yotumizira: Juni-30-2026