Njengezinto zokuphrinta, ifilimu yepulasitiki yezikhwama zokupakisha ukudla inomlando omfushane. Inezinzuzo zokukhanya, ukucaca, ukumelana nomswakama, ukumelana nomswakama, umoya oksitho umoya, ubunzima kanye nokugqwayiza ukumelana, indawo ebushelelezi, futhi ukuvikela ukwakheka komkhiqizo. nombala. Ngokuthuthuka kwemboni ye-petrochemical, kunezinhlobo eziningi futhi eziningi zamafilimu epulasitiki. Amafilimu epulasitiki asetshenziswa kaningi yi-polyethylene (PE), ifilimu elihlanganisiwe le-polyester (vyester), ifilimu le-polyester (pet), i-polypropylene (pp), i-nylon, njll.
Izakhiwo zamafilimu ahlukahlukene epulasitiki ahlukile, ubunzima bokuphrinta buhlukile futhi, futhi ukusetshenziswa njengezinto zokwakha nakho kuhlukile.
Ifilimu le-polyethylene liyinto engenamqondo, elingenamkhawulo, alinambitha, elingenamqondo, eliguqukayo elingelona anobuthi bokufakwa kwe-thermal, elisetshenziswa kabanzi ekusetshenzisweni kwesikhwama. Kuyinto esetshenziselwa i-inert, ngakho-ke kunzima ukuphrinta futhi kufanele kucutshungulwe ukuphrinta kangcono.
Ifilimu e-Aluminised inezici zefilimu yepulasitiki kanye nezimpawu zensimbi. Ingaphezulu lefilimu lihlanganiswe ne-aluminium ukuvikela ekuvikeleni imisebe yokukhanya ne-UV, okungagcini nje kuphela ngokunweba impilo yeshede yokuqukethwe, kepha futhi kwandisa ukugqama kwefilimu. Ingena esikhundleni se-aluminium foil ngezinga elithile, futhi inezinzuzo zezindleko eziphansi, ukubukeka okuhle kanye nezinto ezinhle zokubamba. Amafilimu a-Aluminised asetshenziswa kabanzi ekupakisheni okuhlanganisiwe. Isetshenziswa ikakhulukazi ekuphaketheni kokudla okulomile nokukhukhumeza njengamabhisikidi, kanye nokupakishwa kwangaphandle kweminye imithi nezimonyo.
Ifilimu le-polyester lingenamibala futhi lisobala, linomswakama-ubufakazi, umoya oqinile, othambile, amandla aphezulu, amelana ne-acid, alkali, uwoyela kanye ne-solvent, futhi angesabi amazinga okushisa aphezulu futhi aphansi. Ngemuva kokwelashwa kwe-EDM, kunokushesha okungaphezulu komhlaba ku-inki. Kokupakishwa nezinto ezihlanganisiwe.
Ifilimu le-polypropylene linhlobiso nokusobala, ukumelana nokushisa, ukumelana nokushisa, i-alkali ukumelana, ukumelana nosoncu, ukumelana nokumelana, ukumelana nezinyembezi kanye nokuqina kwezinyembezi. Akunakushisa okuvalwe ngaphansi kuka-160 ° C.
Ifilimu le-nylon linamandla kunefilimu le-polyethylene, elingenamandla, alinazithitha, futhi lingangeneki kumagciwane, oyela, ama-esters, amanzi abilayo kanye nezinhlelo eziningi. Ngokuvamile isetshenziselwa ukuthwala umthwalo wethrekhi, i-abrasion-arvice arvishini kanye nokubuyisa kabusha ukufakwa (ukuphumula kabusha kokudla) futhi kuvumela ukuphrinta ngaphandle kokwelashwa komhlaba.
Izindlela zokuphrinta zamafilimu epulasitiki zifaka ukuphrinta kwe-flezographic, ukuphrinta okubangekele kanye nokuphrinta kwesikrini. I-INKKS yokuphrinta idinga ukubonakala okuphezulu nokunamathela okuqinile, ngakho-ke ama-molecule we-ink anamathela ngokuqinile endaweni eyomile yepulasitiki futhi ahlukaniswe kalula kwi-oxygen emoyeni ukuze ome. Ngokuvamile, i-ink yefilimu yepulasitiki yokuphrinta amafuvu yakhiwa nge-resin yokwenziwa efana ne-anine ephambili kanye ne-organic solvent equkethe utshwala kanye nokuhlakazwa kwe-organic equkethe uketshezi olwanele nokwesabalalisa ukwakha uketshezi lwe-colloidal. Inezici zokusebenza okuhle kokuphrinta, ukunamathela okuqinile, umbala okhanyayo nokomiswa okusheshayo. Ilungele ukuphrinta nge-concave Phrinta WHEEL.
Ngiyethemba ukuthi le ndatshana ingakusiza futhi ikuvumele ufunde kabanzi mayelana nokupakishwa.
Isikhathi Sokuthumela: Jun-16-2022