He aha ka Chlorinated Polyethylene (cpe) a ma hea e hoʻohana ʻia ai?
Argonated polyethylene cpe low density polyethylene 2 silicone rubber blend cable insulation material is low density polyethylene (LDPE) and polydimethylsiloxane compatibiled by ethyl methacrylate (EMA) (PDMS) rubber blend is a effective heat-resistant cable insulation material. Ua aʻo ʻia nā ʻano uila like ʻole, nā waiwai mechanical a me nā waiwai wela o ka hui. Hōʻike nā hopena e hiki ke hoʻohana ʻia ka hui ʻana ma ke ʻano he Thermal insulation material, i hoʻohālikelike ʻia me nā mea silicone rubber, ʻoi aku ka maikaʻi o ke kumukūʻai.
No ka manawa lōʻihi, ua manaʻo ka poʻe i ka silicone rubber ma ke ʻano he lāʻau kūikawā no nā kaula i kahi ākea o ke kiʻekiʻe a me ka haʻahaʻa haʻahaʻa. Eia nō naʻe, ʻo ke kumukūʻai pipiʻi o ka lāʻau silicone e kaupalena ʻia i kāna ʻano noi.
ʻO LDPE ka plastic me ka nui loa o ka ʻoihana. Loaʻa iā ia nā kumukūʻai haʻahaʻa a me nā waiwai uila maikaʻi loa, no laila ua hoʻohana nui ʻia ʻo ia ma ke ʻano he polymer insulating i nā uea a me nā kaula uila haʻahaʻa. ʻAʻole haʻahaʻa wale ka LDPE i ke kumukūʻai akā ʻoi aku ka haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa mau a me nā kumu poho, kiʻekiʻe resistivity, a me nā waiwai mechanical maikaʻi loa ma lalo o ka mahana ambient o 90C, no laila ka hapa nui o nā rubbers synthetic, e like me ka styrene-butadiene rubber (SBR), butyl rubber (IR). ), neoprene(CR) a pela aku ua nalowale kekahi hapa o ka mahele kuai. Ke hoʻohālikelike ʻia me ka silicone rubber insulation material, ʻo ka hui ʻana o polydimethylsiloxane (PDMS) a me LDPE ka pono o ke kumukūʻai haʻahaʻa i mea e hoʻokō ai i nā māka like ʻole. ʻokoʻa nā mea hoʻokaʻawale polymer hou. Eia nō naʻe, ʻoi aku ka kiʻekiʻe o nā mea mechanical a me ka pale wela o nā ʻōnaehana uila haʻahaʻa (<10kV).
ʻOi aku ka nui o nā waiwai uila.
ʻo kahi laʻana; ʻo ke kaula insulation layer no ka umu ahi e pono ke kūpaʻa maikaʻi o nā waiwai mechanical i ka wela kiʻekiʻe. Pela no; ʻokoʻa hoʻi nā koi no ka uahi haʻahaʻa, pale ʻaila, a me ka lapalapa ahi. No laila e pono ke kelepona ʻO ka manawa noi e hoʻoholo i nā koi no ka hana kūikawā o ke kaula. ʻO ka hoʻohaʻahaʻa oxidative o ka lāʻau a me ka hoʻokumu ʻana i kahi papa oxide ma ka ʻili e hoʻonui i ka conductivity, no ka mea ma hope o ka hoʻoheheʻe ʻia ʻana o ka lāʻau, hoʻokumu ʻia kahi polarity ma waena o nā ʻeleʻele kalapona.
Nā pūʻulu (e like me carboxyl) Hāʻawi kēia mau pūʻulu i kahi ala pōkole no nā electrons. Nui nā mea e noʻonoʻo ai i ke koho ʻana i kahi mea no kahi noi. E pili ana i ka insulation cable; ʻO kahi hoʻohālikelike koʻikoʻi ʻo ia ka palena o ka hiki o kēia manawa ke hele i loko o ka papa insulation. No ke au pololei (dc), ua maopopo ka hoʻohana ʻana i nā mea kūʻē kiʻekiʻe e hiki ke hoʻemi i ka mānoanoa o ka papa insulation; no ke au ololi (ac), he ha'aha'a ka 'ae a me ka poho.
Hoʻemi ʻia ka mānoanoa insulation.
Hiki ke hoʻololi nui ʻia ka Ethyl methacrylate (EMA) e ka silicone rubber ma ke ʻano he mea insulation me ka hoʻohana ʻana i ka hui ʻana o PDMS no nā ʻano uila like ʻole, nā waiwai mechanical a me ka pale wela.
ʻO ka maikaʻi o ka nui like me ka compatibilizer no nā hui LDPE a me PDMSA (50:50).
1. ʻO ka ʻōnaehana pale kūpaʻa, e hoʻokuʻu ʻo CPE i ka hydrogen chloride i ka wā i wela ai ʻole vulcanized, no laila e hoʻohana ʻia nā stabilizers me ka hopena absorption acid i loko o ke ʻano, e like me ka calcium stearate, barium stearate, tribasic lead sulfate a i ʻole magnesium oxide.
2. Pūnaehana plasticizing. Hoʻohana mau ʻia nā mea plasticizer ester ma CPEZ, e like me ka dioctyl phthalate (DOP) a me ka dioctyl adipate (DOA). Kokoke ko lakou mau palena solubility i ko CM. Hiki maikaʻi. ʻO ka hoʻohana ʻana i ka DOA a me DOS i loko o ka ʻōpala hiki ke hāʻawi i ka lāʻau me ke kūpaʻa anuanu maikaʻi loa.
3. ʻO ka ʻōnaehana vulcanization o CPE, ʻo CPE kahi pahu saturated, a ʻaʻole hiki i ka ʻōnaehana vulcanization sulfur maʻamau ke vulcanize pono. ʻO ka noi mua loa o ka ʻōnaehana vulcanization CPE ʻo ia ka ʻōnaehana thiourea, ʻo ka mea maikaʻi loa ʻo ia ʻo Na-22, akā ʻo Na-22 he lohi vulcanization wikiwiki, maikaʻi ʻole ka hana ʻelemakule, kiʻekiʻe compression set, a ʻo Na-22 he carcinogen koʻikoʻi. Hāʻawi ia i kahi ʻala maikaʻi ʻole, a ua kaupalena ʻia kona hoʻohana ʻana ma waho.
4. ʻO ka hoʻoikaikaʻana i ka'ōnaehana hoʻopihapiha,ʻo CPE keʻano o ka'ōpala hoʻoikaikaʻole pono'ī, e koi ana i kahi pūnaewele hoʻoikaika e loaʻa ai ka ikaika maikaʻi. ʻO kāna ʻōnaehana hoʻopihapiha hoʻoikaika e like me ka mea hoʻopili maʻamau. ʻO ka mea hoʻoikaika ikaika he kalapona ʻeleʻele a keʻokeʻo kalapona ʻeleʻele. Hiki i ka ʻeleʻele kalapona keʻokeʻo ke hoʻomaikaʻi i ke kūpaʻa waimaka o CPE, a hiki ke hana i kahi ʻōnaehana keʻokeʻo metamethyl e hoʻomaikaʻi ai i ka pili ʻana ma waena o CPE a me ka iwi. hui. Loaʻa i ka CPE kahi waiwai hoʻopihapiha kiʻekiʻe, a ʻo ka ʻōnaehana hoʻopihapiha ka nui o ka calcium carbonate, talcum pauka, pālolo, etc.
Ka manawa hoʻouna: Jan-05-2023
