Dab tsi yog yam uas cuam tshuam rau cov nyhuv ntawm lub teeb curing?
Cov yam ntxwv cuam tshuam rau tus nqi photopolymerization feem ntau suav nrog kev ua haujlwm thiab qhov siab ntawm photoinitiator, monomer reactivity (reactive pawg qauv, functionality, monomer qauv), reactivity ntawm photocurable resin, thiab hluav taws xob curing tej yam kev mob (xws li lub teeb siv, lub teeb qhov chaw) Distribution siv ntawm txhua lub ntsiab tso zis wavelength, tiv thaiv oxidation thiab tiv thaiv-polymerization ntsuas, thiab lwm yam). Qee yam ntawm cov saum toj no kuj muaj kev cuam tshuam rau qhov kawg ntawm polymerization hloov pauv tus nqi. Kev ncua lub sij hawm irradiation kom tsim nyog tuaj yeem nce tus nqi hloov pauv. Raws li ib txwm muaj, lub sijhawm hluav taws xob zoo tsuas yog ob peb feeb mus rau kaum vib nas this. Kev nce lub sij hawm hluav taws xob ntau dhau los ua rau muaj kev cuam tshuam me ntsis ntawm kev txhim kho tus nqi hloov dua siab tshiab. Ntau yam ntawm kev xav kho yuav txwv ib leeg thiab cuam tshuam rau kev kho kom zoo ua ke. Muaj ntau ntau yam uas cuam tshuam rau cov txheej txheem photocuring, thiab ntau qhov ntau yog cov hauv qab no:
Dab tsi yog yam uas cuam tshuam rau cov nyhuv ntawm lub teeb curing?
1. Qauv thickness
Lub thickness ntawm zaj duab xis muaj ib qho tseem ceeb ntawm lub teeb curing, thiab lub thickness ntawm lub teeb curing txheej yog txwv los ntawm lub viscosity ntawm txheej thiab txheej txheej txheej txheem txheej txheem. Thaum cov txheej yog tuab, vim lub teeb nqus thiab tiv thaiv cov nyhuv ntawm photoinitiator nws tus kheej, nws cov khoom tawg, resin, thiab lwm yam, nws yuav ua rau tsis tiav curing hauv qab txheej thiab cuam tshuam rau tag nrho cov kev ua tau zoo ntawm adhesion.
2. Cov nyhuv kub
Ua kom qhov kub thiab txias ntawm qhov chaw irradiated yog feem ntau conducive rau photocuring ntawm txheej mus rau ib tug ntau dua conversion tus nqi.
3. Kev cuam tshuam ntawm photoinitiator concentration thiab hom
Photoinitiator yog ib feem tseem ceeb ntawm lub teeb-kho txheej txheem. Tsis tshua muaj concentration tsis txaus los tsim kom muaj ntau dua curing tus nqi, thiab nws tsis yog conducive rau anti-oxygen inhibition; Yog tias qhov pib concentration siab dhau lawm, qhov seem seem tom qab lub teeb kho yog loj dhau. Cov khoom tiv thaiv daj thiab tiv thaiv kev laus ntawm cov txheej txheem yog qhov tsis zoo, thiab cov residual pib muaj feem ntau yuav cais tawm ntawm cov yeeb yaj kiab kho, uas cuam tshuam rau cov tsos.
4. Cov nyhuv ntawm thinner yog
Lub reactive diluent yog siv los txo cov viscosity ntawm txheej thiab tuaj yeem txhim kho kev ua haujlwm ntawm cov txheej txheem kho. Nyob rau tib lub sijhawm, cov tshuaj reactive diluent kuj tseem muaj txiaj ntsig zoo rau cov txheej txheem kho lub teeb.
5. Tsaus teb cov yam ntxwv tom qab irradiation
Tom qab irradiation tsaus nti cov yam ntxwv ntawm cationic lub teeb-kho yog paub zoo, tab sis qhov tsaus ntuj aggregation thiab tus cwj pwm ntawm dawb-radical teeb-kho tshuab tom qab irradiation feem ntau overlooked.
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