Kuneneratu ndi kusanthula kapangidwe ka polyethylene ku China komanso momwe amagwiritsira ntchito mu 2022

Polyethylene (PE) ndi utomoni wa thermoplastic wopangidwa ndi polymerization wa ethylene.Mwamakampani, imaphatikizanso ethylene ndi ma α- Copolymers ochepa a olefins.Polyethylene ndi yopanda fungo, yopanda poizoni, ndipo imakhala ngati sera.Ili ndi kukana kwabwino kwambiri kwa kutentha (kutentha kocheperako kumatha kufika - 100 ~ -70 ° C), kukhazikika kwamankhwala abwino, ndipo imatha kukana kuukira kwa asidi ndi zamchere (osagonjetsedwa ndi ma acid okhala ndi oxidizing).Ndi insoluble mu zosungunulira wamba pa kutentha wabwinobwino, ndi mayamwidwe ang'onoang'ono madzi ndi kutchinjiriza kwambiri magetsi.

Mlingo wogwiritsa ntchito mphamvu yopanga polyethylene ku China ndi yayikulu, ndipo imasungidwa pafupifupi 90% chaka chonse.Ndi chitukuko cha chuma cha China, kufunikira kwa msika wa polyethylene kumawonjezeka kwambiri, ndipo zotulutsa zimawonjezekanso.M'zaka zaposachedwa, mphamvu yaku China yopanga polyethylene ndi zotulutsa zakhala zikuchulukirachulukira.Kupanga polyethylene ku China ndi pafupifupi matani 22.72 miliyoni, ndi chaka ndi chaka chiwonjezeko cha 11,8%, ndipo linanena bungwe upambana matani 30 miliyoni.

Kumwa mwachiwonekere kwa polyethylene kunakula pang'onopang'ono.Mu 2021, kugwiritsidwa ntchito kwa polyethylene ku China kudatsika mpaka matani 37.365 miliyoni, kuchepa kwa chaka ndi 3.2%.Zimachitika makamaka chifukwa cha vuto la mliri komanso kuwongolera kagwiritsidwe ntchito ka mphamvu, ndipo mafakitale ena otsika amayimitsa kapena kuchepetsa kupanga.Ndi kusintha kwa kudzidalira, kudalira kwa PE kuchokera kunja kudzachepa pang'onopang'ono.M'tsogolomu, ndikuwongolera kwa mliri komanso kukula kwachuma kwachuma, kufunikira kwa PE kudzapitilira kukula.Akuyembekezeka kuchira pang'onopang'ono mu 2022, kukwera mpaka matani 39 miliyoni.

Katundu: zosakoma, zopanda fungo, zopanda poizoni, opalescent, tinthu tating'onoting'ono tokhala ndi kachulukidwe pafupifupi 0.920 g/cm3 ndi malo osungunuka a 130 ℃~145 ℃.Insoluble m'madzi, sungunuka pang'ono mu ma hydrocarbons, etc. Imatha kukana dzimbiri za ma acid ambiri ndi ma alkali, imakhala ndi mayamwidwe otsika amadzi, imatha kukhalabe kusinthasintha kutentha, ndipo imakhala ndi kutchinjiriza kwamagetsi.