Hauv cov txheej txheem tsim khoom ntawm cov khoom siv yas dawb, kho qhov muag brightener yog ib qho khoom siv tsis tau.Ntxiv cov tshuaj pleev xim rau cov khoom siv yas dawb tuaj yeem txhim kho cov xim dawb thiab ci ntsa iab ntawm cov khoom, thiab txhim kho kev lag luam kev sib tw ntawm cov khoom.
Txawm li cas los xij, qhov ntau qhov optical brightener ntxiv, cov nyhuv zoo dua.Cov khoom siv ntawm cov khoom yas, cov txheej txheem ntau lawm thiab kev ua haujlwm kub sib txawv, thiab qhov sib ntxiv ntawm cov khoom siv kho qhov muag kuj sib txawv.
Yog li, cov teeb meem dab tsi yuav tsum tau them sai sai rau thaum lub teeb pom kev zoo siv hauv cov yas, cia peb saib hauv qab no.
1. Cov nyhuv whitening ntawm optical brightener Cov nyhuv whitening feem ntau yog qhia los ntawm whiteness.Ntxiv nrog rau qhov nyiaj ntawm optical brightenerused, lub whiteness kuj muaj feem xyuam rau lub compatibility thiab huab cua tsis kam ntawm resin.Optical brightenerwith zoo compatibility thiab huab cua kuj muaj zoo whitening nyhuv thiab ntev-ntev.Yog li ntawd, txoj hauv kev ncaj qha thiab ua tau zoo tshaj plaws los kuaj cov nyhuv whitening ntawm fluorescent brighteners yog sim nrog cov qauv me me.
2. Tus nqi ntawm optical brighteneradded Tus nqi ntawm optical brightener feem ntau yog nyob nruab nrab ntawm 0.05% thiab 0.1%, thiab cov khoom ib tus neeg tuaj yeem muab ntxiv rau ntau dua.Txawm li cas los xij, tus nqi ntawm optical brighteneradded tsis zoo dua, tab sis muaj qee qhov kev txwv siab, uas ntau tshaj qhov txwv tsis pub muaj tus nqi, tsis tsuas yog tsis muaj cov nyhuv whitening, tab sis yellowing yuav tshwm.
3. Kev cuam tshuam ntawm cov xim ntawm cov nyhuv whitening Lub whitening ntawm optical brightener ib tug optical complementary nyhuv, uas converts ultraviolet lub teeb rau pom xiav los yog xiav-violet lub teeb kom ua tiav lub hom phiaj ntawm whitening.Yog li ntawd, cov khoom uas muaj kev cuam tshuam loj tshaj plaws ntawm qhov muag teeb pom kev zoo yog cov uas tuaj yeem nqus tau lub teeb ci ultraviolet, xws li titanium dioxide, ultraviolet absorbers thiab lwm yam.Anatase titanium dioxide tuaj yeem nqus tau 40% ntawm lub teeb ntawm 300nm, thiab hom rutile tuaj yeem nqus tau 90% ntawm lub teeb ntawm 380nm.Feem ntau, yog titanium dioxide thiab optical brightenerare siv tib lub sijhawm, nws yog qhov zoo tshaj plaws los siv anatase titanium dioxide.Feem ntau hais lus, thaum lub concentration ntawm cov optical brightener zoo ib yam, qhov whiteness tiav thaum zinc sulfate yog qhov muaj zog tshaj plaws, ua raws li anatase titanium dioxide, thiab rutile titanium dioxide yog qhov tsis muaj zog tshaj.
4. Qhov cuam tshuam ntawm ultraviolet absorbers Lub ultraviolet absorber tuaj yeem nqus tau ultraviolet lub teeb, tab sis nws tuaj yeem txo cov nyhuv whitening ntawm fluorescent whitening agent.Yog li ntawd, nyob rau hauv cov khoom siv fluorescent whitening agents, nws yog qhov zoo tshaj los xaiv histamine lub teeb stabilizers uas tsis hloov xim.Yog tias koj yuav tsum ntxiv UV absorber, koj yuav tsum tsim nyog nce qhov ci ci.Tsis tas li ntawd, cov yam ntxwv xws li seb cov khoom siv ua haujlwm puas huv, purity ntawm cov yas, thiab cov ntsiab lus noo noo tag nrho muaj qee yam cuam tshuam rau cov nyhuv whitening.
Post lub sij hawm: Oct-27-2021