Izikhwama ezimelana nokushisa okuphezulu zinezimpawu zokupakisha ezihlala isikhathi eside, isitoreji esizinzile, ukulwa namagciwane, ukwelashwa kokubulala amagciwane okushisa okuphezulu, njll., futhi ziyizinto ezinhle zokupakisha ezihlanganisiwe. Ngakho-ke, yiziphi izinto ezibalulekile okufanele zinakwe maqondana nesakhiwo, ukukhethwa kwezinto, kanye nobuciko? Umkhiqizi wokupakisha ochwepheshe oguquguqukayo i-PACK MIC uzokutshela.
Ukwakheka kanye nokukhethwa kwezinto zesikhwama sokuphendula esingamelana nokushisa okuphezulu
Ukuze kuhlangatshezwane nezidingo zokusebenza kwezikhwama ezimelana nokushisa okuphezulu, ungqimba lwangaphandle lwesakhiwo lwenziwe ngefilimu ye-polyester enamandla aphezulu, ungqimba oluphakathi lwenziwe nge-aluminium foil enezakhiwo zokuvikela ukukhanya nokungena komoya, kanti ungqimba lwangaphakathi lwenziwe ngefilimu ye-polypropylene. Isakhiwo esinezingqimba ezintathu sihlanganisa i-PET/AL/CPP kanye ne-PPET/PA/CPP, kanti isakhiwo esinezingqimba ezine sihlanganisa i-PET/AL/PA/CPP. Izici zokusebenza zezinhlobo ezahlukene zamafilimu yilezi ezilandelayo:
1. Ifilimu ye-Mylar
Ifilimu ye-polyester inamandla aphezulu okusebenza, ukumelana nokushisa, ukumelana nokubanda, ukumelana namafutha, ukumelana namakhemikhali, isithiyo segesi nezinye izakhiwo. Ubukhulu bayo buyi-12um /12microns futhi ingasetshenziswa.
2. Ifoyili ye-aluminium
I-foil ye-aluminium inomgoqo omuhle kakhulu wegesi kanye nokumelana nomswakama, ngakho-ke kubaluleke kakhulu ukugcina ukunambitheka kokudla kwasekuqaleni. Ukuvikelwa okuqinile, okwenza iphakethe lingathinteki kakhulu kumagciwane kanye nesikhunta; isimo esizinzile emazingeni okushisa aphezulu naphansi; ukusebenza kahle komthunzi, ikhono lokubonisa eliqinile lokushisa nokukhanya. Ingasetshenziswa ngobukhulu obungu-7 μm, inezimbobo ezimbalwa ngangokunokwenzeka, kanye nembobo encane ngangokunokwenzeka. Ngaphezu kwalokho, ukuthamba kwayo kumele kube kuhle, futhi ubuso kumele bungabi namabala kawoyela. Ngokuvamile, ama-foil e-aluminium asekhaya awakwazi ukuhlangabezana nezidingo. Abakhiqizi abaningi bakhetha umkhiqizo wama-foil e-aluminium aseKorea naseJapan.
3. Inayiloni
Inayiloni ayinazo nje kuphela izici ezinhle zokuvimbela, kodwa futhi ayinaphunga, ayinambitheki, ayinabo ubuthi, futhi imelana nokubhoboza. Inobuthakathaka bokuthi ayimelani nomswakama, ngakho-ke kufanele igcinwe endaweni eyomile. Uma isimunca amanzi, izinkomba zayo zokusebenza ezahlukahlukene zizoncipha. Ubukhulu benayiloni bungu-15um (15microns). Ingasetshenziswa ngokushesha. Lapho i-laminate, kungcono ukusebenzisa ifilimu ephathwe ngezinhlangothi ezimbili. Uma kungeyona ifilimu ephathwe ngezinhlangothi ezimbili, uhlangothi lwayo olungaphathwanga kufanele lufakwe i-aluminium foil ukuqinisekisa ukuthi iqinile.
4. I-Polypropylene
Ifilimu ye-polypropylene, okuwungqimba lwangaphakathi lwezikhwama ezimelana nokushisa okuphezulu, ayidingi nje kuphela ukuba bushelelezi okuhle, kodwa futhi inezidingo eziqinile zamandla ayo okubamba, amandla okuvala ukushisa, amandla okushaya kanye nokwelulwa ngesikhathi sokuphumula. Imikhiqizo embalwa yasekhaya kuphela engahlangabezana nezidingo. Iyasetshenziswa, kodwa umphumela awumuhle njengezinto zokusetshenziswa ezingenisiwe, ukujiya kwayo kungama-microns angu-60-90, kanti inani lokwelashwa kwendawo lingaphezu kwama-dyn angu-40.
Ukuze kuqinisekiswe kangcono ukuphepha kokudla ezikhwameni zokuphendula ezishisa kakhulu, ukupakisha kwe-PACK MIC kwethula izindlela zokuhlola ukupakisha ezi-5 lapha:
1. Ukuhlolwa kokungabi nomoya kwesikhwama sokupakisha
Ngokusebenzisa umoya ocindezelwe kanye nokukhishwa kwamanzi ukuhlola ukusebenza kokuvala kwezinto, ukusebenza kokuvala kwezikhwama zokupakisha kungaqhathaniswa futhi kuhlolwe ngempumelelo ngokuhlola, okunikeza isisekelo sokunquma izinkomba zobuchwepheshe zokukhiqiza ezifanele.
2. Ukumelana nokucindezela kwesikhwama sokupakisha, ukusebenza kokumelana nokwehlaisivivinyo.
Ngokuhlola ukumelana kwengcindezi kanye nokusebenza kokumelana nokuwa kwesikhwama esimelana nokushisa okuphezulu, ukusebenza kokumelana nokuqhekeka kanye nesilinganiso ngesikhathi senqubo yokushintsha kungalawulwa. Ngenxa yesimo esishintsha njalo enkambisweni yokushintsha, kwenziwa ukuhlolwa kwengcindezi kwephakheji elilodwa kanye nokuhlolwa kokuwa kwebhokisi lonke lemikhiqizo, futhi kwenziwa ukuhlolwa okuningi ngezindlela ezahlukene, ukuze kuhlaziywe ngokuphelele ukusebenza kwengcindezi kanye nokuwa kwemikhiqizo epakishiwe futhi kuxazululwe inkinga yokwehluleka komkhiqizo. Izinkinga ezibangelwa ukupakishwa okonakele ngesikhathi sokuthuthwa noma sokuthutha.
3. Ukuhlolwa kwamandla okusebenza kwezikhwama zokuphendula ezishisa kakhulu
Amandla omshini wezinto zokupakisha ahlanganisa amandla okuhlanganisa ukuxebuka kwezinto, amandla okuvala ukushisa kokuvala, amandla okudonsa, njll. Uma inkomba yokuthola ingakwazi ukuhlangabezana nezinga, kulula ukuyiphula noma ukuyiphula ngesikhathi senqubo yokupakisha nokuthutha. Isihloli sokudonsa esijwayelekile singasetshenziswa ngokuya ngezindinganiso zikazwelonke nezemboni ezifanele, kanye nezindlela ezijwayelekile zokuthola nokunquma ukuthi siyafaneleka noma cha.
4. Ukuhlolwa kokusebenza kwesithiyo
Izikhwama zokuphendula ezingashisi kakhulu zivame ukugcwala okuqukethwe okunomsoco kakhulu njengemikhiqizo yenyama, evundiswa kalula futhi yonakale. Ngisho nangaphakathi kwesikhathi sokuphelelwa yisikhathi, ukunambitheka kwazo kuzohluka ngezinsuku ezahlukene. Ukuze uthole ikhwalithi, izinto zokuvimbela kumele zisetshenziswe, ngakho-ke ukuhlolwa okuqinile komoya-mpilo kanye nomswakama kumele kwenziwe ezintweni zokupakisha.
5. Ukutholwa kwe-solvent esele
Njengoba ukuphrinta nokuhlanganisa kuyizinqubo ezimbili ezibaluleke kakhulu enkambisweni yokukhiqiza ukupheka okushisa okuphezulu, ukusetshenziswa kwe-solvent kuyadingeka enkambisweni yokuphrinta nokuhlanganisa. I-solvent iyikhemikhali ye-polymer enephunga elithile elinomunyu futhi iyingozi emzimbeni womuntu. Izinto zokwakha, imithetho nemigomo yangaphandle inezinkomba zokulawula eziqinile kakhulu kwezinye zezinyibilikisi ezifana ne-toluene butanone, ngakho-ke izinsalela ze-solvent kumele zitholakale ngesikhathi senqubo yokukhiqiza yokuphrinta imikhiqizo eqediwe kancane, imikhiqizo eqediwe kancane kanye nemikhiqizo eqediwe ukuqinisekisa ukuthi imikhiqizo iphilile futhi iphephile.
Isikhathi sokuthunyelwe: Agasti-02-2023
