Lisebelisoa tsa UV, tse tsejoang hape e le li-filters tsa UV kapa li-sunscreens, ke metsoako e sebelisetsoang ho sireletsa lisebelisoa tse sa tšoaneng liphellong tse kotsi tsa mahlaseli a ultraviolet (UV). E 'ngoe ea lintho tse joalo tse monyang UV234, e leng khetho e tsebahalang bakeng sa ho fana ka tšireletso khahlanong le mahlaseli a kotsi. Sehloohong sena re tla hlahloba mefuta e mengata ea li-absorber tsa UV, 'me re hlahlobe litšobotsi le ts'ebeliso ea UV234.

Mahlaseli a mahlaseli a UV a koahela mefuta e mengata ea metsoako e etselitsoeng ho monya le ho qhala mahlaseli a UV. Metsoako ena e atisa ho sebelisoa lihlahisoa tse kang setlolo se sireletsang letsatsi, lipolasetiki, lipente le masela ho thibela ho senyeha le ho senyeha ho bakoang ke ho pepeseha ha UV. Lisebelisoa tsa UV li sebetsa ka ho monya mahlaseli a UV le ho a fetola mocheso o se nang kotsi, kahoo li sireletsa lisebelisoa liphellong tse kotsi tsa mahlaseli a UV.

Li-absorber tsa UV li arotsoe ka mekhahlelo e fapaneng ho latela sebopeho sa tsona sa lik'hemik'hale le mokhoa oa ts'ebetso. Mefuta e meng e tloaelehileng ea li-absorber tsa UV e kenyelletsa benzophenones, benzotriazoles, le triazine. Mofuta o mong le o mong oa li-absorber tsa UV o na le melemo e itseng mme o loketse lits'ebetso tse fapaneng. Mohlala, UV234 ke mohanyetsi oa UV234 oa benzotriazole o sebelisoang haholo liindastering tse fapaneng ka lebaka la thepa ea ona e ntle ea ts'ireletso ea UV.

UV234 e tsebahala ka katleho ea eona e phahameng ea ho monya mahlaseli a ultraviolet, haholo-holo mefuteng ea UVB le UVA. Sena se etsa hore e be se loketseng bakeng sa ho fana ka tšireletso ea mahlaseli a mahlaseli a kotsi a UV. Hangata UV234 e sebelisoa ho etsa litlolo tse sireletsang letsatsi ho ntlafatsa bokhoni ba sehlahisoa sa ts'ireletso ea UV. Ho feta moo, e sebelisoa ka li-plastiki le liphahlo ho thibela ho senyeha ha lifoto le ho boloka botšepehi ba thepa ha e le letsatsing.

Lisebelisoa tsaUV234ha li felle feela ho litlolo tse sireletsang letsatsi le tse sireletsang. E boetse e sebelisoa indastering ea masela ho fana ka khanyetso ea UV ho masela le likhoele. Ka ho kenyelletsa UV234 ka har'a masela, bahlahisi ba ka eketsa ho tšoarella le nako e telele ea thepa, ba e etsa e loketseng lits'ebetso tsa kantle moo ho pepesehela mahlaseli a UV ho ke keng ha qojoa.

Ntle le thepa ea eona ea ho monya UV, UV234 e boetse e tsebahala ka ho fotola ha eona, e netefatsang hore e lula e sebetsa le kamora ho pepesetsoa letsatsi nako e telele. Thepa ena e bohlokoa ho boloka ts'ebetso ea lihlahisoa tse nang le UV234, kaha e netefatsa tšireletso ea nako e telele khahlanong le mahlaseli a UV.

Ha ho nahanoa ka mefuta e mengata ea li-absorber tsa UV, ho bohlokoa ho utloisisa litlhoko tse ikhethileng tsa ts'ebeliso le boemo ba tšireletso ea UV bo hlokahalang. Lisebelisoa tse fapaneng tsa UV li fana ka likhato tse fapaneng tsa ts'ireletso ea UV le ho lumellana le lisebelisoa tse fapaneng. Ka hona, ho bohlokoa ho khetha se nepahetsengSesebelisoa sa UVho ipapisitsoe le ts'ebeliso e reriloeng le thepa e ikhethileng ea thepa e sirelelitsoeng.

Ka bokhuts'oane, liabsorer tsa UV li phetha karolo ea bohlokoa ho sireletseng lisebelisoa ho tsoa mahlaseling a kotsi a UV. UV234 ke benzotriazole UV e monyang e sebelisoang haholo bakeng sa thepa ea eona e ntlehali ea ts'ireletso ea UV le ho nka lifoto. Ho utloisisa mefuta e mengata ea li-absorber tsa UV le thepa ea tsona e khethehileng ho bohlokoa haholo ho khetha mochine o loketseng ka ho fetisisa oa UV bakeng sa ts'ebeliso e itseng. Ebang ke litlolo tse sireletsang letsatsi, lipolasetiki, likoahelo kapa masela, li-absorer tsa UV tse kang UV234 li fana ka tšireletso e tšepahalang khahlano le mahlaseli a kotsi a UV, tse thusang ho eketsa nako e telele le ts'ebetso ea lisebelisoa tse fapaneng.


Nako ea poso: Jul-26-2024