Daim ntawv tais ntim yog feem ntau ua los ntawm ntau tshaj ib cov ntaub ntawv; Hloov chaw, lawv muaj ntau cov ntaub ntawv los ua kom tau raws li cov kev xav tau rau cov dej tsis kam thaum tuav cov zaub mov (tshwj xeeb yog kub thiab cov kua zaub, thiab lwm yam). Cov khoom siv uas nquag muaj xws li:
Daim Ntawv Ntawv Txheej
Cov qauv no cov qauv qauv ntawm daim ntawv ntim, muab cov duab txhawb thiab lub zog. Khoom noj khoom haus -} qib beetboard, xws li kraft daim ntawv lossis daim duab dawb, feem ntau yog siv. Nws cov tuab tuab thiab tawv tawv sib txawv nyob ntawm lub tais cov npaj txhij txhua (piv txwv li cov zaub mov nrawm nrawm, dej haus dej txias). Lub hauv paus ntawv txheej yuav tsum ua raws li cov qauv kev sib chwv kom muaj kev nyab xeeb thiab tsis - toxicity.
Txheej los yog lamination txheej
Txhawm rau tiv thaiv cov kua dej xau, sab hauv daim ntawv tais undergoes dej {}} {{1} {tsis tshua muaj kev kho. Ob txoj kev sib xws yog raws li hauv qab no:
Polyethylene (PE) Txheej: Qhov no yog cov khoom siv dav siv ntau tshaj plaws. Ib txheej ntawm PE zaj duab xis yog thov rau sab hauv cov ntawv ntawm lub hauv paus txheej ntawm cov txheej txheem lamination. PE muab cov dej tsis kam zoo thiab cov khoom lag luam, ua kom muaj txiaj ntsig ua kua nkag. Nws tseem tau tiv thaiv qee yam ntsuas kub (feem ntau -20℃rau 120 degree), ua rau nws haus dej kub thiab txias, kua zaub, thiab lwm yam.
Lwm Txheej: Qee qhov siab -}}} {}}} Cov txheej txheem acid (ib txwm muaj vim yog cov khoom siv hluav taws xob tsis zoo). Txawm li cas los xij, PE nqaij nyuj nyob rau lub ntsiab.
Cov ntaub ntawv luam ntawv sab nraud (yeem)
Cov khoom ntim sab nraud ntawm daim ntawv ntim yog feem ntau luam tawm nrog cov qauv, ntawv, thiab lwm yam}} Cov txheej txheem luam tawm tsis tuaj ntsib zaub mov. Cov inks muaj kev nyab xeeb thiab yuav tsis tso cov tshuaj lom vim kev sib txhuam los ntawm kev sib txhuam lossis kub hloov.
Cov ntaub ntawv ntxiv rau cov ntawv tshwj xeeb
High - kub - ionistant ntawv tais: Piv txwv, cov tais siv rau cov kua zaub kub lossis cov khoom noj kom tuab {{{{1} {}} txheej txheej txheem hluav taws xob) los txhim kho thermal rwb thaiv tsev thiab ruaj khov.
Degradable ntawv tais: Ntxiv rau lub hauv paus txheej txheej, lawv yuav siv cov khoom biodegradable pla lossis lwm yam khoom siv, ua rau kev txiav txim siab rau hauv lub ntuj ib puag ncig thiab txo cov pa phem.
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