Cov txiaj ntsig thiab kev phom sij ntawm Titanium Dioxide Sunscreen
Raws li tib neeg them nyiaj ntau dua rau kev noj qab haus huv ntawm daim tawv nqaij, kev siv tshuaj pleev thaiv hnub tau dhau los ua ntau dua. Ntawm ntau cov khoom xyaw tshuaj pleev thaiv hnub, titanium dioxide tau qhuas heev rau nws cov tshuaj pleev thaiv hnub zoo heev. Txawm li cas los xij, txhua yam muaj ob sab, thiab titanium dioxide tshuaj pleev thaiv hnub tsis muaj qhov zam. Kab lus no yuav tshawb txog cov txiaj ntsig thiab kev phom sij ntawm titanium dioxide tshuaj pleev thaiv hnub kom ntxaws los pab cov neeg nyeem kom nkag siab zoo dua cov tshuaj pleev thaiv hnub no.
01. Cov txiaj ntsig ntawm titanium dioxide tshuaj pleev thaiv hnub
1>High-efficiency tshuaj pleev thaiv hnub
Raws li cov tshuaj pleev thaiv hnub lub cev, titanium dioxide tuaj yeem thaiv kev puas tsuaj ntawm ultraviolet rays (UVA thiab UVB). Nws cuam tshuam thiab cuam tshuam cov kab hluav taws xob ultraviolet los tsim kev tiv thaiv kev tiv thaiv, yog li tiv thaiv daim tawv nqaij los ntawm kev puas tsuaj ultraviolet. Piv nrog tshuaj pleev thaiv hnub, titanium dioxide muaj cov tshuaj tiv thaiv tshav ntuj ruaj khov thiab tsis yooj yim decomposed los ntawm lub teeb thiab ua tsis tau zoo.
2>Yooj yim thiab tsis khaus
Titanium dioxide yog cov ntxhia ntuj uas muaj qhov me me thiab tsis zoo li ua rau tawv nqaij ua xua lossis khaus khaus. Qhov no ua rau nws yog ib qho kev xaiv zoo tshaj plaws rau cov tawv nqaij rhiab heev thiab cov menyuam yaus cov tshuaj pleev thaiv hnub. Piv nrog rau cov tawv nqaij khaus uas yuav tshwm sim los ntawm qee cov tshuaj pleev thaiv hnub, titanium dioxide muaj kev nyab xeeb dua thiab txhim khu kev qha.
3>Ntev ntev
Titanium dioxide tshuaj pleev thaiv hnub muaj dej tsis kam thiab kav ntev. Nws tseem tuaj yeem tuav lub hnub tiv thaiv zoo thaum ua luam dej, tawm hws lossis ua si sab nraum zoov ntev. Ua li no, cov neeg siv tsis tas yuav rov ua tshuaj pleev thaiv hnub ntau zaus, uas muab kev yooj yim dua.
4>Kev tiv thaiv dav dav
Titanium dioxide tsis tsuas yog tiv thaiv UVB, tab sis kuj muaj qee yam kev tiv thaiv tiv thaiv UVA. UVA yog ib qho tseem ceeb ntawm cov tawv nqaij laus thiab kev puas tsuaj. Titanium dioxide tuaj yeem pab tiv thaiv kev yees duab ntawm daim tawv nqaij thiab ua kom tawv nqaij hluas thiab noj qab nyob zoo.
02. Kev phom sij ntawm titanium dioxide tshuaj pleev thaiv hnub
1>Dawb residue
Vim lub cev muaj zog ntawm titanium dioxide, nws yog ib qho yooj yim kom tawm dawb residue ntawm daim tawv nqaij tom qab daim ntawv thov. Qhov tshwm sim no tshwj xeeb tshaj yog pom tseeb ntawm daim tawv nqaij tsaus thiab tuaj yeem cuam tshuam rau qhov tsos. Yog li ntawd, ntau tus neeg yuav xav txog qhov no thaum xaiv tshuaj pleev thaiv hnub.
2>Particle loj teeb meem
Cov tsoos titanium dioxide cov ntsiab lus yog loj thiab yooj yim tsim ib qho kev tiv thaiv tsis sib xws ntawm daim tawv nqaij, ua rau lub hnub tiv thaiv tsis zoo. Txhawm rau txhim kho qhov teeb meem no, ntau cov khoom siv nano-scale titanium dioxide. Txawm li cas los xij, nanoparticles tuaj yeem nkag mus rau ntawm daim tawv nqaij teeb meem thiab ua rau muaj kev phom sij rau kev noj qab haus huv. Qhov teeb meem no tseem tab tom kawm thiab tseem tsis tau muaj cov ntsiab lus meej meej.
3>Kev cuam tshuam ib puag ncig
Tom qab nkag mus rau hauv dej, titanium dioxide tej zaum yuav muaj kev cuam tshuam rau hauv hiav txwv ecosystem. Tshwj xeeb tshaj yog nyob rau hauv cov chaw uas nrov marine tourism, dav siv tshuaj pleev thaiv hnub yuav muaj kev cuam tshuam tsis zoo rau lub neej marine xws li coral reefs. Yog li ntawd, qee lub koom haum ib puag ncig tau hu kom txo qis kev siv tshuaj pleev thaiv hnub uas muaj titanium dioxide.
4>Muaj kev tsis haum tshuaj
Txawm hais tias titanium dioxide feem ntau me me thiab tsis ua rau khaus, qee tus neeg tseem yuav muaj kev fab tshuaj rau nws. Txawm hais tias qhov kev tsis haum tshuaj no tsis tshua muaj, lawv kuj yuav tsum tau ua tib zoo saib xyuas. Thaum siv cov khoom tshiab, nws raug nquahu kom sim lawv ntawm thaj chaw me me ntawm daim tawv nqaij ua ntej kom ntseeg tau tias tsis muaj kev phiv tshwm sim.
Xaus
Titanium dioxide tshuaj pleev thaiv hnub muaj qhov zoo tshaj plaws nyob rau hauv cov nqe lus ntawm lub hnub tiv thaiv kev ua haujlwm siab, me me thiab tsis khaus, thiab kav ntev, thiab tshwj xeeb tshaj yog tsim rau cov tawv nqaij rhiab thiab menyuam yaus. Txawm li cas los xij, nws cov seem dawb, cov teeb meem me me thiab qhov cuam tshuam ib puag ncig kuj tseem yog yam uas xav tau kev saib xyuas. Thaum xaiv cov tshuaj pleev thaiv hnub, koj yuav tsum ntsuas nws raws li koj tus kheej xav tau thiab cov xwm txheej tshwj xeeb thiab xaiv cov tshuaj pleev thaiv hnub uas haum rau koj. Nyob rau tib lub sijhawm, txhawm rau tiv thaiv ib puag ncig, nws raug nquahu kom xaiv cov khoom siv tshuaj pleev thaiv hnub uas yog tus phooj ywg zoo rau lub neej hauv hiav txwv thaum ua luam dej lossis dhia dej.
Los ntawm kev txheeb xyuas ntxaws txog cov txiaj ntsig thiab kev phom sij ntawm titanium dioxide tshuaj pleev thaiv hnub, peb cia siab tias yuav pab koj kom nkag siab ntau dua ntawm cov tshuaj pleev thaiv hnub no thiab ua kom paub ntau ntxiv thaum siv nws. Tom qab tag nrho, tshuaj pleev thaiv hnub tsis yog rau kev zoo nkauj xwb, tab sis kuj yog kev tiv thaiv ntev ntawm peb cov tawv nqaij noj qab haus huv. Yog tias koj xav paub ntau ntxiv txog titanium dioxide tshuaj pleev thaiv hnub, thov ua raws li peb txuas ntxiv ~