Qhov sib txawv ntawm ultraviolet absorber thiab lub teeb stabilizer thiab nws daim ntawv thov
Hais txog cov ntsiab lus tshuaj xws li ultraviolet absorber thiab lub teeb stabilizer, ntau tus neeg yuav tsis paub tias qhov no yog dab tsi, tab sis yog tias ultraviolet absorber ntxiv rau cov tshuaj pleev thaiv hnub, nws tuaj yeem tiv thaiv peb cov tawv nqaij los ntawm tanned los yog sunburned los ntawm tshav kub, thiab ntau tus neeg yuav mam li nco dheev paub tias ultraviolet absorber yog dab tsi thiab nws ua li cas. Qhov tseeb, UV absorbers thiab lub teeb stabilizers (tseem hu ua hindered amine teeb stabilizers nyob rau hauv Suav teb) yog ntxiv nyob rau hauv ntau ntau nyob rau hauv peb niaj hnub organic cov ntaub ntawv, tab sis koj tsuas tsis paub nws. Cov xim thiab pleev xim rau sab nraud ntawm tsev neeg lub tsheb peb tsav yog feem ntau ntxiv, uas tuaj yeem tiv thaiv cov xim ntawm lub tsheb los ntawm yellowing, fading thiab poob lub teeb, thiab muaj txiaj ntsig zoo. Peb feem ntau saib cov ntxaij vab tshaus ntawm cov khoos phis tawj thiab cov xov tooj ntawm tes, thiab qee qhov tshwj xeeb ultraviolet absorbers tau ntxiv rau cov khaubncaws sab nraud povtseg ntawm cov yeeb yaj kiab kho qhov muag sab hauv, uas tuaj yeem thaiv qhov teeb meem ultraviolet rays los tiv thaiv peb lub qhov muag los ntawm kev puas tsuaj ...
Txij li thaum ultraviolet absorbers thiab lub teeb stabilizers tau dav siv thiab muaj txiaj ntsig zoo, qhov txawv ntawm lawv yog dab tsi?
Ultraviolet absorber thiab lub teeb stabilizer yog ob qho tib si tseem ceeb tshuaj ntxiv los tiv thaiv thiab tswj cov khoom ntawm cov khoom siv organic, tab sis muaj qee qhov sib txawv hauv lawv txoj haujlwm. Ultraviolet absorber tuaj yeem hloov cov teeb meem ultraviolet rays mus rau qhov tsis muaj hluav taws kub tsis zoo los ntawm kev hloov pauv ntawm nws cov qauv tshuaj tshwj xeeb, txhawm rau tiv thaiv lub zog siab ntawm ultraviolet rays los ntawm kev rhuav tshem cov ntsiab lus molecular chains ntawm cov khoom siv organic, yog li poob qhov kev ua tau zoo ntawm cov ntaub ntawv polymer; Lub teeb stabilizer tuaj yeem nkag siab tias yog tus neeg sawv cev ntawm cov teeb meem dawb radicals. Thaum ib co ultraviolet rays tawg los ntawm kev tiv thaiv ntawm ultraviolet absorbers thiab rhuav tshem cov saw molecular ntawm cov ntaub ntawv organic los tsim teeb meem polymer dawb radicals, lub teeb stabilizer tuaj yeem cuam tshuam cov teeb meem dawb radicals mus rau hauv cov teeb meem me me molecular. Cov neeg feem ntau ntxiv ultraviolet absorber thiab lub teeb stabilizer rau cov ntaub ntawv organic raws li ib feem ntawm cov khoom, thiab lawv cov kev tiv thaiv kev ua tau zoo feem ntau zoo dua li ntawm ultraviolet absorber lossis lub teeb stabilizer ib leeg.
Ultraviolet absorber thiab lub teeb stabilizer yog ob yam khoom sib sau ua ke, thiab muaj ntau yam sib txawv nyob rau hauv lawv, uas yog ib qho kev lag luam loj. Lub ntsiab hom ntawm ultraviolet absorbers nyob rau hauv kev ua lag luam yog benzophenone, benzotriazole, triazine, thiab lwm yam., uas txawv nyob rau hauv lawv ultraviolet shielding kev ua tau zoo thiab daim ntawv thov kev lag luam. Cov hom ultraviolet absorbers uas tsim los ntawm Taiwan Province Tshuaj yog tsuas yog benzotriazole thiab triazine, uas yog tsuas yog siv nyob rau hauv txheej, optical zaj duab xis thiab lwm yam lag luam. Lub teeb stabilizer kuj yog ib lo lus dav dav, thiab kev lag luam feem ntau tsim ntau yam zoo raws li nws cov alkalinity, thiab kuj tseem muaj qhov sib txawv ntawm cov hmoov thiab kua. Lub teeb stabilizers tseem ceeb uas tsim los ntawm Taiwan Xeev Chemical yog tag nrho cov kua, uas yog tsim rau siv nyob rau hauv coatings.
