Liphalete tsa polasetiki hajoale li entsoe haholo ka HDPE, 'me limaraka tse fapaneng tsa HDPE li na le thepa e fapaneng. Litšobotsi tse ikhethang tsa HDPE ke motsoako o nepahetseng oa mefuta e mene ea motheo: boima, boima ba limolek'hule, kabo ea boima ba limolek'hule le li-additives. Li-catalyst tse fapaneng li sebelisoa ho hlahisa li-polymers tse ikhethileng tsa ts'ebetso. Mefuta ena e kopantsoe ho hlahisa limaraka tsa HDPE bakeng sa merero e fapaneng, ho finyella tekanyo ea ts'ebetso.
Tlhahisong ea 'nete ea tlhahiso le ts'ebetso ea li-pallets tsa polasetiki, boleng ba mefuta ena e meholo e na le tšusumetso ho e mong. Rea tseba hore ethylene ke eona ntho e ka sehloohong e tala bakeng sa polyethylene, le tse ling tse 'maloa tse kang 1-butene, 1-hexene kapa 1-octene, hangata li sebelisoa ho ntlafatsa thepa ea polymer. Bakeng sa HDPE, litaba tsa li-monomers tse ka holimo hangata ha li fete 1% -2%. Ho eketsoa ha li-comonomers ho fokotsa hanyenyane crystallinity ea polymer. Phetoho ena ka kakaretso e lekanyetsoa ka ho teteana, 'me ho teteana ho amana ka ho toba le kristale.
Ebile, likhakanyo tse fapaneng tsa HDPE li tla hlahisa phapang e kholo ts'ebetsong ea li-pallets tsa polasetiki tse entsoeng. Boima ba polyethylene ea mahareng (MDPE) bo tloha ho 0.926 ho isa ho 0.940g/CC. Likarolo tse ling ka linako tse ling li beha MDPE joalo ka HDPE kapa LLDPE. Li-Homopolymers li na le sekhahla se phahameng ka ho fetisisa, se sataletseng, se sa tsitsang hantle le sebaka se phahameng sa ho qhibiliha.
Hangata ha ho etsoa li-pallets tsa polasetiki, li-additives tse ling li atisa ho hlokahala ho netefatsa ts'ebetso e hlokahalang. Ts'ebeliso e khethehileng e hloka litlatsetso tse khethehileng, joalo ka ho eketsoa ha li-antioxidants ho thibela ho senyeha ha polymer nakong ea ts'ebetso le ho thibela oxidation ea sehlahisoa se felileng nakong ea ts'ebeliso. Li-additives tsa antistatic li sebelisoa lihlopheng tse ngata tsa ho paka ho fokotsa ho khomarela lerōle le litšila libotlolong kapa lipaketeng.
Ho phaella moo, e le ho netefatsa boleng ba li-pallets tsa polasetiki, tlhokomelo e eketsehileng e lokela ho lefshoa ho paka le ho boloka thepa e tala. Hangata ha ho bolokoa thepa ea HDPE, ho hlokahala hore e be hole le mehloli ea mollo, e kenngoe ka insulated, 'me ntlo ea polokelo e lokela ho bolokoa e omme ebile e le makhethe. Ho thibetsoe ka thata ho kopanya litšila leha e le life, 'me ho thibetsoe ka thata ho pepesehela letsatsi le pula. Ho phaella moo, nakong ea lipalangoang, e lokela ho bolokoa ka lekarecheng le hloekileng, le omeletseng le le koahetsoeng kapa ka kamoreng, 'me ha ho na lintho tse bohale tse kang lipekere tse lokelang ho lumelloa.
Nako ea poso: Jul-04-2025
