Siffofin PE (PE).

Siffofin PE (PE).

pipette

Polyethylene an rage shi azaman PE, wanda shine nau'in resin thermoplastic da aka yi ta hanyar polymerization na ethylene.A cikin masana'antu, kuma ya haɗa da copolymer na ethylene da ƙaramin adadin α-olefin.Polyethylene ba shi da wari, ba mai guba ba, yana jin kamar kakin zuma, yana da kyakkyawan juriya mai ƙarancin zafin jiki (ƙananan zazzabi mai amfani zai iya kaiwa -70 ℃ - 100 ℃), yana da kwanciyar hankali mai kyau na sinadarai, kuma yana iya jure yawancin acid da alkalis (ba jure wa kaddarorin oxidizing). ) Acid), wanda ba zai iya narkewa a cikin ƙauye gabaɗaya a cikin zafin jiki na ɗaki, ƙarancin shayar da ruwa, ingantaccen rufin lantarki;amma polyethylene yana da matukar damuwa ga matsalolin muhalli (sakamakon sinadarai da injiniyanci), kuma yana da mummunan juriya na tsufa.Abubuwan da ke cikin polyethylene sun bambanta daga nau'in nau'in zuwa nau'in, galibi ya danganta da tsarin kwayoyin halitta da yawa.Ana iya amfani da hanyoyin samarwa daban-daban don samun samfuran da yawa daban-daban (0.91 ~ 0.96g/cm3).Ana iya sarrafa polyethylene ta hanyoyin gyare-gyaren thermoplastic gabaɗaya (duba sarrafa filastik).Yana da fa'idodi iri-iri, galibi ana amfani da su don yin fina-finai, kwantena, bututu, monofilaments, wayoyi da igiyoyi, abubuwan buƙatun yau da kullun, da sauransu, kuma ana iya amfani da su azaman kayan rufewa mai ƙarfi don TV, radars, da sauransu.
Nau'in PE:
(1) LDPE: ƙananan yawa polyethylene, babban matsin polyethylene
(2) LLDPE: polyethylene low density na layi
(3) MDPE: matsakaicin yawa polyethylene, guduro bimodal
(4) HDPE: babban yawa polyethylene, ƙananan matsa lamba polyethylene
(5) UHMWPE: Polyethylene mai nauyi mai girman gaske
(6) Gyaran polyethylene: CPE, polyethylene mai haɗin giciye (PEX)
(7) Ethylene copolymer: ethylene-propylene copolymer (filastik), EVA, ethylene-butene copolymer, ethylene-sauran olefin (kamar octene POE, cyclic olefin) copolymer, ethylene-unsaturated ester copolymer ( EAA, EMAA, EEA, EMMA, EMAH

Pipette muan yi shi da kayan HDPE


Lokacin aikawa: Satumba 14-2021