Rea tseba hore liaparo tsa khale tse tšoeu le thepa e hatisitsoeng, starch e hlobotseng, le lijo-thollo ka kakaretso li ntša khanya e 'mala o mosehla, e leng ho fa batho maikutlo a 'mosehla'.Haeba ka nako ena ho eketsoa palo e nepahetseng ea sesebelisoa sa bosoeu sa fluorescent, tsenafluorescent whitening agentse tla ntša leseli le leputsoa kapa le boputsoa bo boputsoa ka mor'a ho monya mahlaseli a sa bonahaleng a ultraviolet, a etsa 'mala o tlatsanang le khanya e mosehla e tsamaisoang ke ntho ka boeona, kahoo e tlose ketsahalo ea pele ea "bosehla" le ho etsa liaparo le lisebelisoa tse hatisitsoeng tse neng li shebahala li siiloe ke nako. e hlaha e le tsoeu joalo ka e ncha (hlokomela: ho eketsa likhantši tsa fluorescent ho starch e hlobotseng le lijo-thollo ha li molaong!).Ona ke molao-motheo o mosoeu oa li-fluorescent whitening agents.Ka mantsoe a bonolo feela, sesebelisoa sa fluorescent whiteningCBS-Xe sebelisa 'mala oa optical ho soeufatsa, ho khantša, kapa ho khantša lintho tse tšoeu kapa tse khanyang.Ha e kenelle karabelo leha e le efe ea lik'hemik'hale ka ntho eo, empa e itšetlehile feela ka ketso ea optical ho eketsa bosoeu ba ntho.Ka hona, "fluorescent whitening agent" CBS-X e boetse e tsejoa e le "optical whitening agent" kapa "dae e tšoeu".
Na boteng ba fluorescence bo hlile bo bolela ho eketsoa ha sesebelisoa sa fluorescent whitening CBS-X?
Joalokaha ho boletsoe ka holimo, ketsahalo ea fluorescence ke ketsahalo ea 'mele e ka' nang ea e-ba teng linthong tsa tlhaho tsa fluorescent, tse kang fluorescein ho li-fireflies;Hape ho ka 'na ha e-ba le lintho tse fapa-fapaneng tsa fluorescent tse nkiloeng ho sebopeho sa maiketsetso, tse kang li-inks tsa fluorescent, li-fluorescent coatings, lipene tsa fluorescent, polasetiki ea fluorescent, le lisebelisoa tse ling tse belaelloang e le lisebelisoa tse sebetsang tsa fluorescent, hammoho le lisebelisoa tse soeufatsang tsa fluorescent.Li-fluorescent whitening agents ke mofuta o ikhethileng feela oa ntho ea fluorescent e nang le bosoeu le litlamorao tse khanyang har'a lintho tse fapaneng tse rarahaneng tsa fluorescent.Ka hona, ho bua ka tieo, lintho tsa fluorescent ha li lekane le li-fluorescent tse khanyang, 'me ho shebella liketsahalo tsa fluorescence ha ho bolele hore ho eketsoa ha likhantši tsa fluorescent !!!
Ketsahalo ea fluorescence ≠ boteng bafluorescent whitening agent CBS-X
Likhanni tsa fluorescent li hlahisa liketsahalo tsa fluorescence (ka bolelele bo itseng ba maqhubu)
Joalo ka li-additives tsa lijo, mefuta e fapaneng ea likhantši tsa fluorescent e rarahane.Ho latela ts'ebeliso, e arotsoe ka likhanyi tsa fluorescent bakeng sa ho etsa pampiri, lipolasetiki le lisebelisoa tsa sebopeho, masela, li-detergents, li-inks, likhomaretsi le lisebelisoa tse ling.
Ho ea ka lihlopha tsa thepa ea ionic, li-fluorescent lighteners li ka aroloa hape ka li-non ionic brighteners, anionic brighteners, cationic brighteners le amphoteric brighteners.
Ho latela sebopeho sa lik'hemik'hale, e ka aroloa ka mekhahlelo e mehlano: mofuta oa stilbene, mofuta oa coumarin, mofuta oa pyrazoline, mofuta oa benzoxazole, le mofuta oa imide oa phthalimide.
Ho ea ka ho qhibiliha ha metsi, e ka aroloa ka mekhahlelo e 'meli: e qhibilihang ka metsing le e sa qhibiliheng.Lisebelisoa tse tšoeu tsa fluorescent tse qhibilihang ka metsi li sebelisoa haholo bakeng sa pampiri e soeufatsang, liphahlo, sesepa sa ho hlatsoetsa liaparo le masela a k'hothone, athe li-fluorescent whitening tse sa keneleng metsi li sebelisoa haholo lihlahisoa tse soeufatsang joalo ka likhoele tsa lik'hemik'hale le polasetiki.
Hajoale, ho na le litlhophiso tsa lik'hemik'hale tse ka bang 15 le likhantši tse fetang 400 tsa fluorescent.Ka mor’a lilemo tse ngata tsa ho hlohlora lehlabathe, tse ling li se li felisitsoe, ’me hona joale ho na le mefuta e mengata e sebelisoang ka tloaelo e ntseng e hlahisoa le ho sebelisoa lefatšeng.
Nako ea poso: May-26-2023