Kugirango wongere ubuzima bwibintu nkibiryo nibiyobyabwenge, byinshiIbikoresho byo gupakiraKubiryo nibiyobyabwenge muri iki gihe bikoresha pasika nyinshi zipakira firime. Kugeza ubu, hari bibiri, bitatu, bitanu, birindwi, icyenda, ndetse n'ibikoresho cumi na bibiri by'ibikoresho bipakira bihimba. Filime yo gupakira firime ni firime yoroheje yashizwemo ibikoresho byinshi bya plastike mumiyoboro myinshi yo gufungura icyarimwe, ishobora gukoresha ibishoboka byose, bishobora gukoresha ibyiza byibikoresho bitandukanye
Byinshigupakira firimebigizwe ahanini na polyolefin. Kugeza ubu, inyubako zikoreshwa zirimo: Polyethylene / Polyethylene, Polythylene Ethyle Vinyl Acetate, LDPE OFFES / EVUH / EVH / EVHOH / Evoh. Ubunini bwa buri gice burashobora guhinduka muburyo bwiyongera. Muguhindura umubyimba w'inyanja kandi ukoresheje ibikoresho bitandukanye bya bariyeri, firime zoroshye zifite imitungo itandukanye irashobora gukemurwa. Ibikoresho byubushyuhe byishyurwa birashobora kandi gusimburwa byoroshye kandi byahinduwe kugirango duhuze ibikenewe mubipfunyika bitandukanye. Ibi byinshi-byinshi kandi byinshi byo gupakira ibipapuro nicyerekezo kinini cyiterambere ryiterambere ryibikoresho bya firime mugihe kizaza.
Ibicuruzwa byinshi byo gupakira film
Ibidukikije byinshi bipakira firime, utitaye ku mubare wibice, muri rusange bigabanijwemo urwego rushingiye, kandi rukora urwego rushingiye kumikorere ya buri gice cya firime.
Urwego rwibanze
Mubisanzwe, ibice byimbere nibisohoka bya firime zigizwe nabyo bigomba kugira imitungo myiza yumubiri na robilicial, gushiraho imikorere yo gutunganya, no gushyushya urwego. Ikeneye kandi gukora imikorere myiza yo gufunga no gusudira ishyanga, bikaba bike cyane, bifite inkunga nziza kandi bifite ingaruka kurwego rwimikorere, kandi ufite ingaruka zikomeye muri firime ya composite, igena imikorere rusange ya firime. Ibikoresho fatizo ni pe, PP, Eva, Pet, na Zab.
Urwego rukora
Urwego rukorafirime yo gupakira ibiryoAhanini ni inzitizi, mubisanzwe hagati ya firime nyinshi, cyane cyane ukoresheje ibisigazwa bya bariyeri nkabo, PVIMS, PVDC, na PVDC, hamwe nibikoresho byo kuringaniza, hamwe nibikoresho byo hagati.
Wooh (Ethylene Vinyl Inzoga Copolymer)
Ethylene Vinyl Inzoga Inzoga ni ibintu bya polymer bihuza inzira ya etylene polymery hamwe ninzitizi za gaze ibintu bya etylene inzoga. Biragaragara cyane kandi bifite gloss nziza. Evoh afite inzitizi nziza kuri gaze n'amavuta, hamwe n'imbaraga nziza zamashini, elastique, zongerwa ishozi, n'imbaraga zikonje, n'imikorere y'ubukonje. Imikorere ya bariyeri yabyo biterwa nuko royonyo ikubiyemo. Iyo ibirimo bya Rethylene byiyongera, imikorere ya gaze igabanuka, ariko imikorere yubushuhe igabanya ubushuhe yiyongera, kandi biroroshye gutunganya.
Ibicuruzwa bipakiwe nibikoresho bya EOh birimo ibirungo, ibikomoka ku mata, ibikomoka ku nyama, ibicuruzwa bya foromaje, nibindi.
PVDC (Polyvinylidene Chride)
Polyvinylidene chloride (pvdc) ni polymer ya vinylidene chloride (1,1-dichloroithylene). Ubushyuhe bwo kubora homopolymer PVDC iri munsi yingingo yacyo, bikagora gushonga. Kubwibyo, nkibikoresho byo gupakira, PVDC ni copolymer ya chloride ya vinylidene na vinyl chloride, ifise neza, irwanya ruswa, imiterere nziza kandi yubushyuhe.
Mu minsi ya mbere, byakoreshejwe cyane cyane mugupakira gisirikare. Mu myaka ya za 1950, byatangiye gukoreshwa nka firime yo kubungabunga ibiryo, cyane cyane iterambere ryihuse ryikoranabuhanga rigezweho hamwe nubuzima bwa microd hamwe nubuzima bwibiyobyabwenge hamwe nubuzima bwibiyobyabwenge byasabye PVDC kurushaho. PVDC irashobora gukorwa muri firime ya ultra-yoroheje, kugabanya umubare wibikoresho fatizo nibiciro byo gupakira. Biracyakunzwe muri iki gihe
Urwego
Kubera ubufindo buke hagati yibikorwa bimwe na bimwe byimikorere, birakenewe gushiraho ibice bimwe bifatika hagati yibi bice byombi kugirango ukore neza kandi bigire film ihujwe. Igice gifatika gikoresha ibisigisizi bifatika, bikunze gukoreshwa birimo polyolefin byafashwe hamwe na Anhydride ya Maleki na Ethyle Vinyl acetate acetate copolymer (Eva).
Maleic Anhydride yashushanyije polyolefins
Maleic Anhydride yashushanyije Polyolefin yakozwe nukugira ingano manecley kuri polyethylene binyuze muminyururu ya polar kuminyururu. Nibikoresho hagati ya polar nibidafite polar kandi bikunze gukoreshwa muri firime zihuje polyolefins nka polypropylene na nylon.
Eva (Ethylene Vinyl Acetate Copolymer)
Eva itangiza vinomer ya vinyl acetate mumurongo wa molekile, kugabanya kristu ya polyethylene no kuzamura ibibazo byo kwikebana nubushyuhe bwuzuza. Ibirimo bitandukanye bya Ethylene na vinyl bitera mubikoresho bivamo porogaramu zitandukanye:
① Ibicuruzwa binini bya Eva hamwe na Eva bitera ibirindiro munsi ya 5% bifatika, film, insinga n'amavubibu, nibindi;
② Ibicuruzwa binini bya Eva hamwe na vinyl acetate ikubiyemo 5% ~ 10% ni firime za elastike, nibindi;
③ Ibicuruzwa binini bya Eva hamwe na vinyl acetate ikubiyemo 20% ~ 28% birashyushye bishongeshe kandi bihumeka;
④ Ibicuruzwa binini bya Eva hamwe na vinyl acetate ya 5% ~ 45% ni firime (harimo na firime zubuhinzi) hamwe nimpapuro, inshinge za mowasi, nibindi bicuruzwa, nibindi
Igihe cyohereza: Jun-12-2024