Kodi Chlorinated Polyethylene (cpe) ndi chiyani ndipo imagwiritsidwa ntchito kuti?
Chipangizo choteteza chingwe cha Argonated polyethylene cpe chotsika kwambiri cha polyethylene 2 silicone rabara chosakanikirana ndi polyethylene yotsika kwambiri (LDPE) ndipo polydimethylsiloxane yogwirizana ndi ethyl methacrylate (EMA) (PDMS) ndi chipangizo choteteza chingwe cholimba chomwe sichimatentha kwambiri. Zinthu zosiyanasiyana zamagetsi, zinthu zamakina, ndi zinthu za kutentha za chosakanizacho zinaphunziridwa. Zotsatira zake zikusonyeza kuti chosakanizacho chingagwiritsidwe ntchito ngati chinthu choteteza kutentha, poyerekeza ndi zinthu za silicone rabara, chimakhala ndi mtengo wabwino kwambiri.
Kwa nthawi yayitali, anthu akhala akuona kuti rabala ya silicone ndi rabala yapadera yopangira zingwe pa kutentha kwakukulu komanso kotsika. Komabe, mtengo wokwera wa rabala ya silicone umachepetsa kugwiritsidwa ntchito kwake.
LDPE ndi pulasitiki yokhala ndi kuchuluka kwakukulu m'mafakitale. Ili ndi mtengo wotsika komanso mphamvu zamagetsi zabwino kwambiri, kotero imagwiritsidwa ntchito kwambiri ngati polima yoteteza kutentha m'mawaya ndi zingwe zamagetsi apakati ndi otsika. LDPE si yotsika mtengo kokha komanso imakhala ndi mphamvu zochepa zokhazikika komanso zotayika, mphamvu zochulukirapo, komanso mphamvu zabwino zamakanika pansi pa kutentha kozungulira kwa 90C, kotero ma rabara ambiri opangidwa, monga rabara ya styrene-butadiene (SBR), rabara ya butyl (IR), neoprene (CR) ndi zina zotero, ataya gawo la msika. Poyerekeza ndi zinthu zoteteza mphira wa silicone, kusakaniza kwa polydimethylsiloxane (PDMS) ndi LDPE kuli ndi ubwino wotsika mtengo kuti kukwaniritse mitundu yosiyanasiyana ya magiredi. Kuphatikiza pa zofunikira zapadera za zingwe zotumizira mphamvu, kuwongolera ndi zida, anthu apitiliza kupanga zida zatsopano zotetezera ma polima. Komabe, mphamvu zamakanika ndi kukana kutentha kwa zipangizo zamagetsi zamagetsi otsika (<10kV) ndizokwera kuposa
Katundu wamagetsi ndi wofunika kwambiri.
Mwachitsanzo; chingwe chotetezera kutentha kwa ng'anjo chiyenera kukhala ndi mphamvu zokhazikika bwino pa kutentha kwambiri. Mofananamo; zofunikira pa zingwe zopanda utsi wambiri, zosagwira mafuta, komanso zoletsa moto ndizosiyana. Chifukwa chake chingwecho chiyenera kugwiritsidwa ntchito. Nthawi yogwiritsira ntchito imatsimikizira zofunikira pakugwira ntchito kwapadera kwa chingwecho. Kuwonongeka kwa okosijeni kwa rabara ndi kupangika kwa oxide pamwamba kudzawonjezera mphamvu yoyendetsera ntchito, chifukwa rabara ikasungunuka, polarity imapangidwa pakati pa ma aggregates akuda a kaboni.
Magulu (monga carboxyl) Magulu awa amapereka njira yaifupi ya ma elekitironi. Pali zinthu zingapo zofunika kuziganizira posankha chinthu chogwiritsira ntchito. Ponena za kutchinjiriza kwa chingwe; chinthu chofunikira kwambiri ndichakuti chimalepheretsa mphamvu ya mphamvu kudutsa mu gawo lotchinjiriza. Pa mphamvu yolunjika (dc), n'zoonekeratu kuti kugwiritsa ntchito zipangizo zolimba kwambiri kungachepetse makulidwe a gawo lotchinjiriza; pa mphamvu yosinthira (ac), kulola ndi kutayika ndizochepa.
Chinthu choyeretsera madzi chimachepetsanso makulidwe a insulation.
Ethyl methacrylate (EMA) ikhoza kusinthidwa kwambiri ndi rabara ya silicone ngati chinthu chotetezera kutentha pogwiritsa ntchito PDMS blends pazinthu zosiyanasiyana zamagetsi, zinthu zamakanika komanso kukana kutentha.
Kugwira ntchito kwa kuchuluka komweko monga kogwirizana ndi LDPE ndi PDMSA blends (50:50).
1. Dongosolo loteteza lokhazikika, CPE imatulutsa hydrogen chloride ikatenthedwa kapena kusungunuka, kotero zokhazikika zomwe zimakhala ndi mphamvu yoyamwa asidi ziyenera kugwiritsidwa ntchito mu fomula, monga calcium stearate, barium stearate, tribasic lead sulfate kapena magnesium oxide.
2. Dongosolo lopangira pulasitiki. Mapulasitiki a Ester amagwiritsidwa ntchito kwambiri mu CPEZ, monga dioctyl phthalate (DOP) ndi dioctyl adipate (DOA). Ma parameter awo osungunuka ali pafupi ndi a CM. Mphamvu yabwino. Kugwiritsa ntchito DOA ndi DOS mu rabara kungapangitse rabala kukhala ndi kukana kuzizira kwambiri.
3. Dongosolo la CPE loteteza ku vulcanization, CPE ndi rabara yodzaza, ndipo dongosolo lodziwika bwino la sulfure vulcanization silingathe kuliteteza bwino. Kugwiritsa ntchito koyamba kwa dongosolo la CPE vulcanization ndi dongosolo la thiourea, lomwe limagwira ntchito kwambiri ndi Na-22, koma Na-22 ili ndi liwiro lochepekera la vulcanization, magwiridwe antchito osakalamba bwino, kupanikizika kwakukulu, ndipo Na-22 ndi khansa yoopsa. Imapanga fungo losasangalatsa, ndipo kugwiritsidwa ntchito kwake kwaletsedwa kunja.
4. Njira yodzazira yolimbitsa, CPE ndi mtundu wa rabara yosadzilimbitsa yokha, yomwe imafuna njira yolimbikitsira kuti ikhale ndi mphamvu zabwino. Njira yake yodzazira yolimbitsa ndi yofanana ndi ya guluu wamba. Chothandizira cholimbitsa chimakhala chakuda cha kaboni ndi chakuda cha kaboni choyera. Chakuda cha kaboni choyera chingathandize kukana kung'ambika kwa CPE, ndipo chingapangitse njira yoyera ya metamethyl kuti ikonze mgwirizano pakati pa CPE ndi mafupa. CPE ili ndi mphamvu yodzaza kwambiri, ndipo njira yodzazira imaphatikizapo calcium carbonate, ufa wa talcum, dongo, ndi zina zotero.
Nthawi yotumizira: Januwale-05-2023
