A cikin shekaru goma da suka gabata buƙatar ingantaccen kariya ta UVAyana karuwa da sauri.
UV radiation yana da mummunan tasiri, ciki har da kunar rana a jiki, hoto-tsufa da kuma ciwon daji na fata. Ana iya hana waɗannan illolin ne kawai ta hanyar kariya daga dukkan nau'ikan hasken UV, gami da UVA.
A gefe guda kuma akwai yanayin iyakance adadin "sinadarai" akan fata. Wannan yana nufin cewa sosai m UV absorbersya kamata ya kasance don sabon buƙatar kariyar UV mai faɗi.Sunsafe-BMTZ（Bis-Ethylhexyloxyphenol An ƙera Methoxyphenyl Triazine don cika wannan buƙata. Yana da karko, mai narkewa a mai, yana da inganci sosai kuma yana rufe kewayon UVB da UVA. A shekara ta 2000, hukumomin Turai sun ƙara Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine a cikin jerin abubuwan sha na UV na kwalliya masu kyau.
•UVA:Ana buƙatar ƙungiyoyin ortho-OH guda biyu don ingantacciyar isar da makamashi ta gadoji na intramolecular hydrogen. Domin samun ƙarfi mai ƙarfi a cikin UVA, ya kamata a maye gurbin para-matsayin nau'ikan phenyl guda biyu ta hanyar O-alkyl, wanda ke haifar da bis-resorcinyl triazine chromophor.
•UVB:Sauran rukunin phenyl da ke haɗe zuwa triazine yana kaiwa zuwa sha UVB. Ana iya nuna cewa mafi girman aikin "cikakken bakan" yana samuwa tare da O-alkyl wanda ke cikin matsayi na para. Ba tare da narke abubuwan maye ba, HPTs kusan ba za a iya narkewa a cikin mai. Suna nuna halaye na yau da kullun na pigments (misali, manyan wuraren narkewa). Don ƙara solubility a cikin matakan mai, an gyara tsarin tace UV daidai da haka.
Amfani:
Kariyar rana mai faɗi
Mai kwatankwaci sosai da sauran matatun UV
Tsarin tsari
Lokacin aikawa: Fabrairu-18-2022