Benzophenone-4 hauv kev tiv thaiv tshav ntuj

Benzophenone-4 (benzophenone-4), yog cov tshuaj UV lim uas siv dav hauv cov khoom siv tshuaj pleev thaiv hnub. Nws lub luag haujlwm tseem ceeb yog nqus cov hluav taws xob ultraviolet (UVA) thiab UVB rays, yog li tiv thaiv cov hluav taws xob tsis zoo los ntawm kev puas tsuaj rau daim tawv nqaij. Ob qho tib si UVA thiab UVB hluav taws xob tau txuas rau kev txhim kho ntawm daim tawv nqaij mob qog noj ntshav, nrog rau cov tawv nqaij laus thiab tshav kub.

Benzophenone-4 lim tawm qee qhov ntawm UV rays, tiv thaiv daim tawv nqaij los ntawm kev puas tsuaj. Nws yog feem ntau siv ua ke nrog lwm cov khoom xyaw tshuaj pleev thaiv hnub los txhim kho tag nrho cov txiaj ntsig ntawm cov tshuaj pleev thaiv hnub. Cov tshuaj no feem ntau pom muaj nyob rau hauv cov khoom siv tshuaj pleev thaiv hnub xws li tshuaj pleev thaiv hnub, tshuaj pleev thaiv hnub, thiab lwm yam.

Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias thaum Benzophenone -4 yog ib qho tshuaj tiv thaiv tshav ntuj, nws yog ib qho tseem ceeb uas yuav tsum tau ua tib zoo saib xyuas cov khoom cov lus qhia thiab pom zoo npaum li cas thaum siv nws. Raws li cov kev cai cuam tshuam hauv Suav teb, qhov siab tshaj plaws ntawm Benzophenone-4 siv hauv cov khoom siv tshuaj pleev thaiv hnub yog 5%, thiab tshaj li qhov koob tshuaj no yuav ua rau khaus lossis ua xua rau ntawm daim tawv nqaij. Yog li ntawd, thaum siv cov tshuaj pleev thaiv hnub uas muaj Benzophenone-4, nws yog ib qho tseem ceeb uas yuav tsum tau ua raws li cov lus qhia ntawm cov khoom thiab ua tib zoo saib xyuas cov tawv nqaij kom muaj kev phiv.