I ka hoʻomau ʻana o ka ulu ʻana o nā kaula mana waena a me ke kiʻekiʻe, nā kaula ikehu hou, nā kaula kaʻaahi, a me nā ʻōnaehana kamaʻilio, ke kau nei nā mea hana kaula i ka manaʻo nui i ka hilinaʻi lōʻihi o nā mea kaula. Ma waho aʻe oNā hui hoʻokaʻawale XLPE, he kuleana koʻikoʻi nā hui pale semiconductive i ka hoʻoholo ʻana i ka hoʻolaha ʻana o ke kahua uila, ka hana insulation, a me ke ola lawelawe lōʻihi o nā uaea mana.
Hoʻohana nui ʻia ʻo Ethylene Ethyl Acrylate (EEA) ma ke ʻano he resin kumu no nā hui pale semiconductive i nā kaula mana XLPE medium- a me ke kiʻekiʻe. Mahalo i kona kūpono hoʻopihapiha maikaʻi loa, ke kūpaʻa ʻana i ka ʻelemakule wela, ka maʻalahi o ka mahana haʻahaʻa, a me ka hana hana paʻa, ua lilo ʻo EEA i hoʻokahi o nā mea polymer koʻikoʻi i hoʻohana ʻia i nā hui kaula hana kiʻekiʻe.
No ke aha i hoʻohana ʻia ai ka EEA i nā hui pale Semiconductive?
He copolymer ethylene polar ka EEA i hana ʻia e ka copolymerization radical free o ka ethylene a me ka ethyl acrylate ma lalo o nā kūlana kaomi kiʻekiʻe. ʻO ka hoʻokomo ʻana o nā hui ester polar i loko o ke kaulahao polymer e hāʻawi iā EEA i kekahi mau pono ma mua o ka LDPE maʻamau a me EVA, e kūpono loa ana no nā hui pale semiconductive.
Hoʻomaikaʻi kona ʻano polar i ka launa pū ʻana me ka ʻeleʻele kalapona conductive, e ʻae ana i ka mea hoʻopihapiha e hoʻopuehu like a hana i kahi pūnaewele conductive paʻa. Kōkua kēia i ka mālama ʻana i ka conductivity uila mau ma loko o ka papa pale semiconductive.
Hāʻawi pū ʻo EEA i ka maʻalahi o ka haʻahaʻa haʻahaʻa, ke kūpaʻa i ka haki ʻana o ke kaiapuni (ESCR), a me ke kūpaʻa ʻana i ka ʻelemakule wela, e hiki ai i ka papa pale ke mālama i kona mau waiwai mechanical a me ka uila i ka wā lōʻihi. Ke hoʻohālikelike ʻia me EVA, hāʻawi ʻo EEA i ka paʻa wela maikaʻi aʻe i loko o nā mahana extrusion uwea maʻamau a ʻaʻole hoʻokuʻu i nā huahana ʻino e like me ka waikawa acetic i ka wā o ka hana ʻana, e ʻoi aku ka maikaʻi o nā lako.
Nā Hoʻohana Nui o EEA i nā Mea Uea
ʻO ka hoʻohana mua ʻana o EEA i ka ʻoihana uwea ʻo ia ke kumu resin no nā hui pale semiconductive i hoʻohana ʻia i nā uwea mana XLPE medium- a me ke kiʻekiʻe.
ʻO kahi uwea mana waena a kiʻekiʻe paha i hoʻokumu ʻia me kahi pale alakaʻi, ka insulation XLPE, kahi pale insulation, a me kahi pale metala. Ma ke ʻano he polymer kumu i nā hui pale semiconductive, hoʻomaikaʻi ʻo EEA i ka hoʻopuehu ʻana o ka ʻeleʻele kalapona conductive, hoʻonui i ke kūpaʻa uila o ka papa pale, a paipai i ka hoʻopili ikaika ʻana i ka insulation XLPE. Kōkua kēia mau ʻano i ka hōʻemi ʻana i ka pilikia o ka hoʻokuʻu hapa a hoʻomaikaʻi i ka hilinaʻi lōʻihi o ka ʻōnaehana insulation uwea.
Ma waho aʻe o nā kaula mana, hoʻohana ʻia ʻo EEA i nā kaula ikehu hou, nā kaula kaʻaahi, a me nā mea kaula hana kiʻekiʻe ʻē aʻe.
No ke aha he nui aku nā hui pale Semiconductive e hoʻohana ana iā EEA?
I ka hoʻomau ʻana o nā mea hana uwea i ka hilinaʻi kiʻekiʻe, ua lilo ʻo EEA i koho kaulana no nā hui pale semiconductive. ʻO kona kūlike maikaʻi loa me ka ʻeleʻele kalapona, ke kūpaʻa ʻana i ka wā wela, ka maʻalahi o ka mahana haʻahaʻa, a me ke kūpaʻa o ka hana ʻana e ʻae i nā hui pale e mālama i ka hana mau ma lalo o nā kūlana hana koi.
ʻO kekahi pono nui ʻo ia kona hoʻopili paʻa ʻana i ka interfacial i ka insulation XLPE, kahi e kōkua ai i ka hōʻemi ʻana i nā hemahema interface a hoʻemi i ka pilikia o ka hoʻokuʻu hapa. I hui pū ʻia me kona puka makani hana ākea, hāʻawi pū ʻo EEA i ka hoʻomaikaʻi ʻana i ka paʻa extrusion a me ke kūlike o ka huahana, e lilo ia i resin kumu makemake ʻia no nā hui pale semiconductive i nā kaula mana medium- a me ke kiʻekiʻe.
Nā Manaʻo Hana no ka EEA
No ka hoʻonui ʻana i ka hana o ka EEA i nā hui kaula, pono nā mea hana e koho i ka papa kūpono e pili ana i ka ʻike ethyl acrylate (EA), ka helu kahe heheʻe (MFR), ka hoʻolālā kaula, a me nā koi hana. Pono e hoʻomalu ʻia nā mahana extrusion i loko o ka pae i ʻōlelo ʻia e pale aku i ka hōʻino wela.
No nā hui pale semiconductive i hoʻopiha nui ʻia, ua ʻōlelo ʻia ka hoʻomaloʻo pono ʻana ma mua o ka extrusion e hōʻemi i nā pehu a me nā kīnā o ka ʻili. No nā hui pale semiconductive crosslinkable, pono e hoʻomalu pono ʻia ke kaʻina hana crosslinking e hōʻoia i ka hana uila paʻa lōʻihi a me ke kūpaʻa ʻana i ka ʻelemakule wela.
Hopena
I ka hoʻomau ʻana o nā kaula mana uila waena a me ke kiʻekiʻe, nā kaula ikehu hou, a me nā kaula kaʻaahi e koi nui ana i ka hilinaʻi, ua lilo ka hana o nā hui pale semiconductive i mea nui. Me kona kūlike maikaʻi loa o ka hoʻopiha, ke kūpaʻa ʻana i ka wā wela, ka maʻalahi o ka mahana haʻahaʻa, a me ke kūpaʻa o ka hana ʻana, ua lilo ʻo EEA i hoʻokahi o nā resins kumu i makemake ʻia no nā hui pale semiconductive hana kiʻekiʻe.
No nā mea hana uwea, ʻo ke koho ʻana i ka papa EEA kūpono a me ka hoʻonui ʻana i ke ʻano me ka conductive carbon black, nā ʻōnaehana crosslinking, a me nā kūlana hana kūpono e hoʻomaikaʻi i ke kūpaʻa hana, ke kūlike o ka huahana, a me ka hilinaʻi lōʻihi o nā ʻōnaehana insulation uwea.
ʻŌlelo Hoʻolaha: ʻO ka ʻike i hāʻawi ʻia ma kēia ʻatikala no ka ʻike loea wale nō. Hiki ke ʻokoʻa ka hana maoli o EEA ma muli o ke ʻano, ka hoʻohui ʻana, a me nā kūlana hana. Manaʻo ʻia ka hoʻāʻo ʻana ma lalo o nā kūlana noi kikoʻī ma mua o ka hoʻohana ʻana.
Ka manawa hoʻouna: Iune-30-2026