Ulwazi oluSisiseko lweMveliso yePlastiki
Kwiminyaka yakutshanje, amasimi okusetyenziswa kwe ityhubhu yeplastiki yokuhombisaukupakisha kuye kwanda kancinci kancinci. Iimveliso zoshishino zikhethe ukupakishwa kwetyhubhu yokucinezela, njengeoyile yokuthambisa, iglu yeglasi, kunye ne-caulking compound; iimveliso zokutya zikhethile ukupakishwa kwetyhubhu yokucinezela, njenge-mustard kunye ne-chili sauce; kwaye amafutha okugcoba amayeza akhethe iityhubhu. ukupakishwa kwetyhubhu yokucinezelaikwaphuculwa rhoqo. Iimveliso ezininzi kwiindawo ezahlukeneyo zisebenzisa "iityhubhu" ukupakisha. ityhubhu yeplastiki yokuhombisakwishishini, iityhubhu ziyathandwa ngenxa yokuba kulula ukuzicinezela nokuzisebenzisa, ubunzima obulula kunye nokuphatheka lula, iinkcukacha ezinokwenziwa ngokwezifiso, kunye nokuprinta okunokwenziwa ngokwezifiso. Zisetyenziswa kakhulu ekupakisheni izinto zokuthambisa, iimveliso ezisetyenziswa imihla ngemihla, kunye neemveliso zokhathalelo lweenwele.
I-aluminium-plastiki edityanisiweyo ityhubhu yeplastiki yokuhombisaziikhonteyina zokupakisha ezenziwe ngefoyile ye-aluminiyam kunye nefilimu yeplastiki ngokusebenzisa i-co-extrusion kunye nezinye iinkqubo zokwenza amaphepha, aze emva koko acutshungulwe abe ziimo zeetyhubhu ngoomatshini abakhethekileyo bokwenza iityhubhu. Ulwakhiwo lwazo oluqhelekileyo yi-PE/PE+EAA/AL/PE+EAA/PE. I-aluminium-plastic composite ityhubhu yeplastiki yokuhombisaIi-s zisetyenziswa kakhulu ekupakisheni izinto zokuthambisa ezineemfuno eziphezulu zococeko kunye neempawu zokuthintela. Umaleko wesithintelo uhlala ungowe-aluminium foil, kwaye iimpawu zawo zesithintelo zixhomekeke kwinqanaba le-pinhole yefoil ye-aluminium. Ngokuphucuka okuqhubekayo kobuchwepheshe, ubukhulu bomaleko wesithintelo sefoil ye-aluminium kwiityhubhu ze-aluminium-plastic composite buncitshisiwe ukusuka kwi-40μm yendabuko ukuya kwi-12μm okanye ne-9μm, nto leyo esindisa kakhulu izixhobo.
Iityhubhu zeplastiki ze-PE zokuhombisazenziwe ngokukhutshelwa kunye ukusebenza okwahlukeneyo kwaye zidweliswe izinto ezikrwada kunye kwinqanaba elinye. ityhubhu yeplastiki yokuhombisaZahlulwe ngeetyhubhu ezikhutshiweyo ezineleya enye kunye neetyhubhu ezikhutshiweyo ezineleya ezininzi. Eyokuqala isetyenziselwa ikakhulu ukupakisha izinto zokuthambisa ezisetyenziswa ngokukhawuleza ezineemfuno eziphezulu zokubonakala kodwa ezifunekayo ukusebenza okuphantsi (ezifana nekhrimu yesandla, njl.njl.), ngelixa eyesibini isetyenziselwa kakhulu ukupakisha izinto zokuthambisa eziphezulu.
I-composite yeplastiki epheleleyo ityhubhu yeplastiki yokuhombisaIityhubhu zeplastiki ezidityanisiweyo zahlulwe zaba ziityhubhu ezidityanisiweyo ezineleya enye kunye neetyhubhu ezidityanisiweyo ezineleya ezininzi. Eyokuqala isetyenziselwa kakhulu ukupakisha izinto zokuthambisa ezisetyenziswa ngokukhawuleza ezineemfuno eziphezulu kodwa eziphantsi kwemfuneko yokusebenza (ezifana nekhrimu yesandla, njl.njl.), ngelixa eyesibini isetyenziselwa kakhulu ukupakisha izinto zokuthambisa eziphezulu.
Iityhubhu zi ukupakishwa kwetyhubhu yokucinezelaIzikhongozeli ezenziwe ngezinto ezifana neplastiki ye-PE, ifoyile ye-aluminium, kunye nefilimu yeplastiki ngokusebenzisa i-co-extrusion kunye nezinye iinkqubo zokwenza amaphepha, aze emva koko acutshungulwe abe ziimo zeetyhubhu ngoomatshini abakhethekileyo bokwenza iityhubhu. Iityhubhu zineengenelo zobunzima obulula, ukuphatheka lula, ukuqina, ukuphinda zisetyenziswe, ukucudiswa okulula, kunye nokulungiswa kakuhle kunye nokuguquguquka kokuprinta, okuzenza zithandwe phakathi kwabavelisi abaninzi bezimonyo.