samfurori

Ma'ana iri ɗaya a Turanci

maganin hana tsufa

halayen sinadarai

Mai ɗaukar hasken ultraviolet wani nau'in mai daidaita haske ne, yana iya sha hasken rana da tushen hasken mai haske a cikin ɓangaren ultraviolet, amma da kansa baya canzawa.
Saboda hasken rana yana ɗauke da babban adadin hasken ultraviolet mai cutarwa ga abubuwa masu launi, tsawonsa yana da kusan nanometers 290-460, waɗannan hasken ultraviolet masu cutarwa ta hanyar amsawar sinadarai na Redox, ƙwayoyin launi a ƙarshe suna ruɓewa kuma suna shuɗewa.
Akwai hanyoyi na zahiri da na sinadarai don hana lalacewar launi daga hasken UV mai cutarwa.
Ga taƙaitaccen bayani game da hanyar sinadarai, wato, amfani da na'urorin sha UV don kare abin da ke da tasiri wajen hana shi, ko kuma don rage lalacewar launinsa.
Ya kamata masu shanye UV su kasance cikin waɗannan sharuɗɗan:
(1) yana iya shan hasken ultraviolet sosai (musamman tsawon tsayin 290-400nm); (2) Kyakkyawan kwanciyar hankali na zafi, ko da a cikin sarrafawa ba zai canza ba saboda zafi, canjin zafi ƙarami ne; Kyakkyawan kwanciyar hankali na sinadarai, babu wani mummunan martani ga abubuwan da ke cikin samfurin; (4) Kyakkyawan daidaitawa, ana iya warwatsewa daidai a cikin kayan, babu sanyi, babu fitarwa; (5) Daidaiton photochemical na mai shan kansa yana da kyau, baya ruɓewa, baya canza launi; ⑥ Ba shi da launi, ba shi da guba, ba shi da wari; ⑦ juriya ga wankewa cikin nutsewa; ⑧ Mai arha kuma mai sauƙin samu; 9. Ba ya narkewa ko ba ya narkewa a cikin ruwa.
Ana iya rarraba masu shaƙar UV zuwa ƙungiyoyi masu zuwa bisa ga tsarin sinadaransu: salicylate esters, phenylketones, benzotriazoles, acrylonitrile da aka maye gurbinsu, triazines da amine da aka toshe.

Gabatarwar samfur da fasaloli

Mai shaƙar hasken ultraviolet shine nau'in mai daidaita haske da aka fi amfani da shi, bisa ga tsarinsa, ana iya raba shi zuwa salicylate esters, benzophenone, benzotriazole, acrylonitrile da aka maye gurbinsu, triazines, da sauransu, aikace-aikacen masana'antu na benzophenone da benzotriazole mafi yawa. Mai kashe wuta galibi hadaddun ƙarfe ne, kamar hadaddun nickel divalent, sau da yawa kuma mai shaƙar hasken ultraviolet, kuma, tasirin synergistic, mai shaƙar hasken ultraviolet wani nau'in mai daidaita haske ne, yana iya shaƙar hasken rana da tushen hasken fluorescent a cikin ɓangaren ultraviolet, kuma kansa baya canzawa.
Saboda hasken rana yana ɗauke da babban adadin hasken ultraviolet mai cutarwa ga abubuwa masu launi, tsawonsa yana da kusan nanometers 290-460, waɗannan hasken ultraviolet masu cutarwa ta hanyar amsawar sinadarai na Redox, ƙwayoyin launi a ƙarshe suna ruɓewa kuma suna shuɗewa.
Akwai hanyoyi na zahiri da na sinadarai don hana lalacewar launi daga hasken UV mai cutarwa.
Ga taƙaitaccen bayani game da hanyar sinadarai, wato, amfani da na'urorin sha UV don kare abin da ke da tasiri wajen hana shi, ko kuma don raunana lalata launinsa

amfani

Yana iya shan hasken ultraviolet yadda ya kamata tare da tsawon tsayin 270-380 nm, galibi ana amfani da shi don polyvinyl chloride, polystyrene, resin mara cika, polycarbonate, polymethyl methacrylate, polyethylene, resin ABS, resin epoxy da resin cellulose, da sauransu. Ya dace da kayan da ke da sauƙin ɗaukar hoto kamar fim ɗin launi, fim ɗin launi, takarda mai launi da polymer, da sauransu. Ya dace musamman ga samfuran da ba su da launi da haske; Don sha mai ƙarfi, mai ɗaukar ultraviolet mai aiki sosai.

kunshin da sufuri

B. Ana iya amfani da wannan samfurin,,25KG, BAERRLS.
C. A adana a cikin akwati mai sanyi, bushe da iska a ciki. Ya kamata a rufe kwantena sosai bayan kowane amfani kafin amfani.
D. Ya kamata a rufe wannan samfurin sosai yayin jigilar kaya don hana haɗuwa da danshi, alkali mai ƙarfi da acid, ruwan sama da sauran ƙazanta.