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'Dual Cure' yoroshye ihindura UV LED

Hafi yimyaka icumi nyuma yo kumenyekanisha kwabo, UV LED yakira wino irakoreshwa muburyo bwihuse nabihindura ibirango. Ibyiza bya wino hejuru ya 'mercure' mercure UV wino - gukira neza kandi byihuse, kunoza uburyo burambye hamwe nigiciro cyo gukora - biragenda byumvikana cyane. Byongeye kandi, tekinoroji iragenda igerwaho byoroshye nkuko abakora ibinyamakuru batanga kugirango bashyiremo amatara maremare yamatara maremare kumurongo wabo.
Byongeye kandi, hariho uburyo bukomeye bwo guhindura abahindura gutekereza kuri LED, kubera ko ingaruka nigiciro cyo kubikora bigabanuka. Ibi byoroherezwa no kuza kw'ibisekuru bishya bya 'wino ikiza' wino hamwe nigitambaro gishobora gukoreshwa munsi yamatara ya LED na mercure, bigatuma abahindura bakoresha ikoranabuhanga mu ntambwe, aho gutungurana.
Itandukaniro nyamukuru hagati y itara risanzwe rya mercure n itara rya LED nuburebure bwumuraba wasohotse kugirango ukire bibe. Itara rya mercure-vapor ritanga ingufu hejuru ya nanometero 220 na 400 (nm), mugihe amatara ya LED afite uburebure buke buri hagati ya 375nm na 410nm kandi bugera kuri 395nm.
Inkingi ya UV LED yakize kimwe na wino isanzwe ya UV, ariko yunvikana kumurambararo muto wumucyo. Baratandukanye hagati yabo, kubwibyo, nitsinda ryamafoto yakoreshejwe mugutangiza reaction yo gukira; pigment, oligomers na monomers zikoreshwa ni zimwe.
UV LED ikiza itanga ibidukikije bikomeye, ubuziranenge, numutekano kuruta gukira bisanzwe. Inzira ntikoresha mercure cyangwa ozone, kubwibyo rero nta sisitemu yo gukuramo ikenewe kugirango ikure ozone hafi yimashini icapa.
Itanga kandi igihe kirekire. Itara rya LED rirashobora kuzimya no kuzimya bidakenewe igihe cyo gushyuha cyangwa gukonjesha, bitanga imikorere myiza uhereye igihe ifunguye. Ntibikenewe ko shitingi irinda substrate niba itara ryazimye.

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Igihe cyo kohereza: Nzeri-07-2024