Igishashara cya polyethyleneni ubwoko bwibishashara bya polyolefin, ubusanzwe bivuga homopolyethylene ifite uburemere bugereranije butarenga 10000. Muburyo bwagutse, polimeri ya Ethylene ifite imbaraga nimbaraga zikomeye kandi ntishobora gutunganywa nkibikoresho bimwe bishobora kwitwa ibishashara bya polyethylene.Ibishasharaifite aho yoroshya cyane, gushonga gake gushonga, imiti ihamye yimiti, amavuta meza n'amazi.Nka mfashanyo yo gutunganya, ikoreshwa cyane mumiyoboro ya PVC, firime, insinga nibindi bicuruzwa bya plastiki na reberi kugirango tunoze imikorere yibicuruzwa no kunoza isura yibicuruzwa byarangiye.

Uburyo bwo gutegura ibishashara bya polyethylene
Hariho uburyo butatu bwingenzi bwubukorikori bwa pe ibishashara.Iya mbere ni uburyo bwo gutobora polyethylene, ivuna polietilen mu gishashara cya polyethylene hamwe nuburemere buke bwa molekile ku bushyuhe bwinshi.Iya kabiri ni uburyo bwo gutunganya ibicuruzwa biva mu bicuruzwa, bikusanya ibikomoka ku buremere buke bwa molekile ikozwe mu buryo bwo kubyara polimerisiyumu ya etilene kandi ikabeza kugira ngo ibone ibishashara bya polyethylene.Uburyo bwa gatatu nuburyo bwa synthesis ya Ethylene, ihuza ibishashara bya polyethylene hamwe na Ethylene nkibikoresho fatizo.Uyu munsi, Sainuo azagutwara kwiga ibijyanye nigishashara cya polyethylene cyateguwe nuburyo bwo gutobora hamwe na synthesis.

(1) Gutegura ibishashara bya polyethylene na pyrolysis
Uburyo bwa Cracking nuburyo nyamukuru bwo gukora ibishashara bya polyethylene mubushinwa.Uburemere buke bwa polyethylene cyangwa imyanda ya polyethylene yamenetse mu gishashara cya polyethylene ku bushyuhe bwinshi.Ubwiza bwibicuruzwa nibiranga (nkubukomere, gushonga hamwe nibara rigaragara) bigira ingaruka cyane kumasoko yo kumena ibikoresho fatizo.Uburyo bwo gucamo bufite tekinoroji yoroshye, isoko ikungahaye kubikoresho fatizo nigiciro gito cyo gukora.Irashobora gutahura ikoreshwa ryimyanda polyethylene ninyungu zubukungu.Nyamara, inzira yo kumena iragoye kuyigenzura, gukwirakwiza uburemere bwa molekuline yibicuruzwa ni binini, ubwiza bwibishashara bya polyethylene biragoye kubigenzura, kandi haraboneka ibibara byinshi byirabura.Irazwi cyane hagati no hasi-ya porogaramu nka amabara ya masterbatch.
Inzira zisanzweho zirimo gushiramo amashyuza, gukemura bifasha guturika no guturika.Muri byo, gucana amashyuza nibyo byoroshye.Ibishashara bya polyethylene birashobora gutegurwa mugucunga ubushyuhe bwigihe nigihe, ariko birakenewe gukoresha ingufu nyinshi.Abantu bo muri kaminuza ya Beijing y’ikoranabuhanga ry’imiti bize ubushakashatsi ku itegurwa ry’ibishashara bya polyethylene bamenagura PE resin ku bushyuhe bwinshi muri extruder imwe.Ubushyuhe bwongewe kumuyoboro uhuza hagati ya extruder na tank ikonjesha kugirango ushushe kandi ucike ibikoresho.Ubushyuhe bwiza bwo guturika ni 420 ℃, ukamenya umusaruro uhoraho wo kumena PE resin kugirango utegure ibishashara bya polyethylene.Abandi bize ubushakashatsi ku itegurwa ry’ibishashara bya polyethylene mu kumena imyanda polyethylene muri autoclave hamwe na al-mcm-48 nka catalizator.Ubushyuhe bwa reaction ni 360 ~ 380 ℃ naho igihe cyo kubyitwaramo ni 4H.Gukoresha catalizator bigabanya imbaraga zo gukora reaction, ubushyuhe bukenewe kuri pyrolysis no gukoresha ingufu.Wang Lulu n'abandi batezimbere umusaruro wibishashara bya polyethylene ukoresheje solvent ifasha pyrolysis ya plastike ya polyethylene.Hakozwe ubushakashatsi ku ngaruka zumuti utandukanye hamwe nuburyo bwo kubyitwaramo ku musaruro n'imiterere y'ibishashara.Ikizamini cyerekana ko umusaruro wibishashara bya polyethylene ushobora kunozwa ukoresheje ibishishwa bya aromatic.Iyo ukoresheje xylene ivanze nkibishishwa, umusaruro ugera kuri 87,88%.Umuti wa Aromatic urashobora kandi kuzamura ubwiza bwibicuruzwa kurwego runaka kandi ukabona ibishashara byumuhondo polyethylene.

(2) Synthesis yumushara wa polyethylene
Igishashara cya polyethylene cyashizwe mu buryo butaziguye na Ethylene gifite ubuziranenge bwinshi, kugabanura uburemere buke bwa molekile, kugabanuka gushonga, kugabanuka kw'ibicuruzwa no gukora neza.Ikoreshwa mukubyara ibishashara byujuje ubuziranenge kandi bitandukanye.Ukurikije uburyo bwa polymerisation nubwoko bwa catalizator ikoreshwa, synthesis ya Ethylene irashobora kugabanywa muburyo bwa polymerisiyumu yubusa, Ziegler Natta (ZN) catalitiki polymerisation, metallocene catalitike polymerisation nibindi.
Qingdao Sainuo Chemical Co., Ltd.Turi gukora ibishashara bya PE, ibishashara bya PP, ibishashara bya OPE, ibishashara bya EVA, PEMA, EBS, Zinc / Kalisiyumu Stearate….Ibicuruzwa byacu byatsinze REACH, ROHS, PAHS, FDA ikizamini.
Sainuo humura ibishashara, ikaze iperereza ryawe!
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