Nws yuav nyuaj rau kom tau txais cov xim tiav matt nrog 100% solids UV curable coatings. Ib tsab xov xwm tsis ntev los no piav qhia txog cov neeg sawv cev matting sib txawv thiab piav qhia txog lwm yam kev hloov pauv tseem ceeb.
Tsab xov xwm tseem ceeb ntawm tsab ntawv xov xwm tshiab kawg ntawm European Coatings Journal piav qhia txog qhov nyuaj ntawm kev ua tiav cov khoom siv UV-coatings uas muaj 100% matt. Piv txwv li, cov khoom siv rau cov neeg siv khoom raug rau kev hnav thiab cov kuab paug ntau zaus thoob plaws lawv lub neej, cov txheej txheem mos mos yuav tsum ruaj khov heev. Txawm li cas los xij, kev sib npaug ntawm kev xav mos mos nrog kev tiv thaiv kev hnav yog qhov nyuaj heev. Tsis tas li ntawd, qhov ntau ntawm cov zaj duab xis shrinkage yog qhov teeb meem hauv kev ua tiav cov nyhuv matting zoo.
Cov kws sau ntawv tau sim ntau yam kev sib xyaw ua ke ntawm cov neeg sawv cev silica matting thiab UV reactive diluents thiab kawm txog lawv cov rheology thiab tsos. Qhov kev sim tau qhia txog ntau yam txiaj ntsig, nyob ntawm hom silica thiab cov diluents.
Tsis tas li ntawd xwb, cov kws sau ntawv tau kawm txog cov hmoov polyamide zoo heev uas qhia tau tias cov matting ua haujlwm tau zoo thiab muaj tsawg dua qhov cuam tshuam rau rheology dua li cov silicas. Raws li qhov kev xaiv thib peb excimer pre-curing tau tshawb nrhiav. Cov thev naus laus zis no siv rau hauv ntau lub lag luam thiab daim ntawv thov. Excimer sawv cev rau "excited dimer", hauv lwm lo lus yog dimer (piv txwv li Xe-Xe-, Kr-Cl roj) uas yog excited rau lub xeev siab dua tom qab siv lub zog hloov pauv. Vim tias cov "excited dimers" no tsis ruaj khov lawv disintegrate hauv ob peb nanoseconds, hloov lawv lub zog excitation rau optical radiation. Cov thev naus laus zis no tau qhia txog cov txiaj ntsig zoo, txawm li cas los xij tsuas yog hauv qee kis.
Thaum Lub Tsib Hlis 29, Xavier Drujon, tus sau tsab xov xwm yuav piav qhia txog kev tshawb fawb thiab cov txiaj ntsig thaum lub sijhawm peb lub rooj sib tham hauv webcast European Coatings Live txhua hli. Kev tuaj koom lub rooj sib tham hauv webcast yog pub dawb kiag li.
Lub sijhawm tshaj tawm: Tsib Hlis-16-2023
