Luam ntawv UV yog ib txoj kev tshwj xeeb ntawmluam ntawv digitalsiv lub teeb ultraviolet (UV) kom qhuav lossis kho cov kua mem, cov nplaum lossis cov txheej txheem yuav luag sai li sai tau thaum nws ntaus rau ntawm daim ntawv, lossis txhuas, cov ntawv ua npuas ncauj lossis acrylic - qhov tseeb, tsuav yog nws haum rau hauv lub tshuab luam ntawv, cov txheej txheem no tuaj yeem siv los luam tawm rau yuav luag txhua yam.
Cov txheej txheem ntawm UV kho - cov txheej txheem photochemical ntawm kev ziab - thawj zaug tau qhia ua ib txoj hauv kev kom qhuav sai cov xim rau tes gel siv hauv kev ua tes, tab sis nws tau raug txais yuav los ntawm kev lag luam luam ntawv qhov twg nws yog siv los luam tawm rau txhua yam los ntawm cov paib thiab cov ntawv qhia rau lub raj mis npias. Cov txheej txheem yog tib yam li kev luam ntawv ib txwm muaj, qhov sib txawv tsuas yog cov kua siv thiab cov txheej txheem ziab - thiab cov khoom zoo tshaj plaws tsim tawm.
Hauv kev luam ntawv ib txwm muaj, cov kua mem uas siv tau yog siv; cov no tuaj yeem ua pa thiab tso cov tshuaj lom neeg uas tsis zoo (VOCs) uas ua rau ib puag ncig puas tsuaj. Txoj kev no kuj tsim - thiab siv - cua sov thiab ntxhiab tsw qab. Ntxiv mus, nws xav tau cov hmoov tsuag ntxiv los pab nrog cov txheej txheem tshem tawm kua mem thiab ziab, uas tuaj yeem siv sijhawm ntau hnub. Cov kua mem raug nqus rau hauv cov ntawv luam ntawv, yog li cov xim tuaj yeem zoo li ntxuav tawm thiab ploj mus. Cov txheej txheem luam ntawv tsuas yog txwv rau cov ntawv thiab daim npav xwb, yog li nws tsis tuaj yeem siv rau ntawm cov ntaub ntawv xws li yas, iav, hlau, ntawv ci lossis acrylic zoo li UV luam ntawv.
Hauv kev luam ntawv UV, cov teeb mercury/quartz lossis LED siv rau kev kho kom zoo dua li cua sov; lub teeb UV uas tsim tshwj xeeb muaj zog heev yuav ua raws li cov kua tshwj xeeb tau muab faib rau ntawm cov ntawv luam ntawv, ua kom nws qhuav sai li sai tau thaum siv. Vim tias cov kua hloov pauv los ntawm cov khoom khov lossis cov nplaum mus rau cov kua yuav luag tam sim ntawd, nws tsis muaj sijhawm ua kom qhuav thiab yog li tsis muaj VOCs, cov pa lom lossis ozone raug tso tawm, ua rau cov thev naus laus zis no zoo rau ib puag ncig nrog yuav luag xoom carbon footprint.
Cov kua mem, cov nplaum, lossis cov txheej txheej muaj cov kua monomers, oligomers - polymers uas muaj ob peb lub repeating units - thiab photoinitiators. Thaum lub sijhawm kho, lub teeb ci ntsa iab hauv qhov ultraviolet ntawm lub spectrum, nrog lub wavelength ntawm 200 thiab 400 nm, raug nqus los ntawm photoinitiator uas dhau los ua tshuaj lom neeg - kev sib txuas tshuaj lom neeg - thiab ua rau cov kua mem, txheej txheej, lossis cov nplaum tawv tam sim ntawd.
Nws yooj yim to taub vim li cas kev luam ntawv UV tau dhau los ntawm cov txheej txheem dej thiab cov tshuaj yaj uas siv cov txheej txheem thermal ziab thiab vim li cas nws thiaj li yuav txuas ntxiv mus rau hauv kev nyiam. Tsis yog tsuas yog txoj kev ua kom sai dua - txhais tau tias ntau dua ua tiav hauv lub sijhawm tsawg dua - cov nqi tsis lees paub raug txo qis thaum qhov zoo dua. Cov dej ntub ntawm cov kua mem raug tshem tawm, yog li tsis muaj kev sib txhuam lossis smudging, thiab raws li qhov ziab yuav luag tam sim ntawd, tsis muaj evaporation thiab yog li ntawd tsis muaj kev poob ntawm cov txheej tuab lossis ntim. Cov ntsiab lus zoo dua li sai tau, thiab cov xim ntse dua thiab pom tseeb dua vim tsis muaj kev nqus rau ntawm cov ntawv luam ntawv: kev xaiv kev luam ntawv UV dua li cov txheej txheem luam ntawv ib txwm muaj peev xwm yog qhov sib txawv ntawm kev tsim cov khoom kim heev, thiab qee yam uas zoo li tsis zoo dua.
Cov kua mem kuj muaj cov khoom zoo dua qub, ua kom tiav zoo dua, khawb zoo dua, tshuaj lom neeg, cov kuab tshuaj thiab qhov nyuaj, elasticity zoo dua thiab cov khoom tiav kuj tau txais txiaj ntsig los ntawm kev ua kom muaj zog dua. Lawv kuj ruaj khov dua thiab tiv taus huab cua, thiab muaj kev tiv thaiv kev ploj zuj zus ua rau lawv zoo tagnrho rau cov paib sab nraum zoov. Cov txheej txheem kuj tseem pheej yig dua - ntau cov khoom tuaj yeem luam tawm hauv lub sijhawm tsawg dua, zoo dua thiab tsawg dua kev tsis lees paub. Qhov tsis muaj VOCs tso tawm yuav luag txhais tau tias muaj kev puas tsuaj tsawg dua rau ib puag ncig thiab kev coj ua yog ruaj khov dua.
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Lub sijhawm tshaj tawm: Plaub Hlis-22-2022