Iipaliti zeplastiki okwangoku zenziwe nge-HDPE, kwaye amabakala ahlukeneyo e-HDPE aneempawu ezahlukeneyo. Iimpawu ezikhethekileyo ze-HDPE ziyinhlanganisela efanelekileyo yezinto ezine ezisisiseko: ubuninzi, ubunzima be-molecular, ukusabalalisa ubunzima be-molecular and additives. Ii-catalysts ezahlukeneyo zisetyenziselwa ukuvelisa iipolymers ezikhethekileyo zokusebenza. Ezi zintlukwano zidibene ukuvelisa amabakala e-HDPE ngeenjongo ezahlukeneyo, ukufezekisa ukulingana ekusebenzeni.
Kwimveliso yangempela kunye nokuqhutyelwa kweepalati zeplastiki, umgangatho wezi ziguquko eziphambili zinempembelelo komnye nomnye. Siyazi ukuba i-ethylene iyona nto iphambili ye-polyethylene, kunye nezinye iicomonomers ezimbalwa, ezifana ne-1-butene, i-1-hexene okanye i-1-octene, nazo zihlala zisetyenziselwa ukuphucula iimpawu ze-polymer. Kwi-HDPE, umxholo weemonomers ezimbalwa apha ngasentla awugqithisi kwi-1% -2%. Ukongezwa kwee-comonomers kunciphisa kancinci i-crystallinity ye-polymer. Olu tshintsho lulinganiswa ngokubanzi ngokuxinana, kwaye ukuxinana kuhambelana ngokuhambelana nekristallinity.
Ngapha koko, ukuxinana okwahlukileyo kwe-HDPE kuya kuvelisa umahluko omkhulu ekusebenzeni kweepaliti zeplastiki ezenziweyo. Ubuninzi be-polyethylene ephakathi (MDPE) ukusuka kwi-0.926 ukuya kwi-0.940g / CC. Olunye ukuhlelwa ngamanye amaxesha luhlela i-MDPE njenge-HDPE okanye i-LLDPE. I-homopolymers inoxinano oluphezulu, ukuqina, ukungagungqi kakuhle kunye neyona ndawo iphezulu yokunyibilika.
Ngokuqhelekileyo kwinkqubo yokwenza iipalati zeplastiki, ezinye izongezo zisoloko zifuneka ukuze kuqinisekiswe ukusebenza okufunekayo. Ukusetyenziswa okuthe ngqo kufuna ukwakheka okukodwa okongeziweyo, okufana nokongezwa kwe-antioxidants ukuthintela ukuthotywa kwepolymer ngexesha lokucubungula kunye nokuthintela i-oxidation yemveliso egqityiweyo ngexesha lokusetyenziswa. Izongezo ze-Antistatic zisetyenziselwa amabakala amaninzi okupakisha ukunciphisa ukunamathela kothuli kunye nokungcola kwiibhotile okanye ukupakisha.
Ukongezelela, ukwenzela ukuba kuqinisekiswe umgangatho weepalati zeplastiki, ingqwalasela engakumbi kufuneka ihlawulwe ekupakishweni nasekugcinweni kwezinto eziluhlaza. Ngokuqhelekileyo xa ugcina izinto ze-HDPE, kufuneka ukuba ube kude nemithombo yomlilo, i-insulated, kwaye indawo yokugcina impahla kufuneka igcinwe yomile kwaye icocekile. Kunqatshelwe ngokungqongqo ukuxuba nayiphi na into engcolileyo, kwaye inqatshelwe ngokungqongqo ukuba ibekwe ilanga kunye nemvula. Ukongezelela, ngexesha lokuthutha, kufuneka ligcinwe kwinqwelo ecocekileyo, eyomileyo kwaye efihliweyo okanye i-cabin, kwaye akukho zinto ezibukhali ezifana nezikhonkwane kufuneka zivunyelwe.
Ixesha lokuposa: Jul-04-2025
