Mai ba da fata mai walƙiya wani nau'in fili ne na halitta wanda zai iya inganta farin fiber yadudduka da takarda, wanda kuma aka sani da wakili na whitening mai gani da mai ba da haske.Yadudduka, da sauransu galibi suna rawaya saboda haɗa abubuwan datti masu launi, kuma ana amfani da bleaching na sinadarai don canza launin su a baya.Hanyar da za a ƙara wa samfurin farin fata a yanzu an karɓi shi, kuma aikinsa shine canza hasken ultraviolet marar ganuwa da samfurin ya shiga cikin shuɗi-violet radiation radiation, wanda ya dace da asalin hasken rawaya na asali kuma ya zama farin haske, wanda ya zama farin haske. yana inganta ƙarfin samfurin don jure hasken rana.na fari.An yi amfani da masu haske sosai a cikin yadi, takarda, foda, sabulu, roba, robobi, pigments da fenti.
Brighteners duk suna da tsarin haɗin gwiwar cyclic a cikin tsarin sinadarai, irin su: abubuwan stilbene, abubuwan phenylpyrazoline, abubuwan benzothiazole, abubuwan benzimidazole, abubuwan coumarin da Naphthalimide, da sauransu.Yi amfani da hanyoyi da kaddarorin don rarraba masu haskaka haske za a iya kasu kashi huɗu:
Silsilar tana nufin abubuwan da za su iya ba da haske mai haske wanda zai iya haifar da cations a cikin maganin ruwa.Dace da whitening na acrylic zaruruwa.B jerin masu haskaka haske sun dace don haskaka zaruruwan cellulose.C jerin yana nufin wani nau'i na mai kyalli whitening wakili tarwatsa a rini wanka a gaban dispersant, dace da whitening polyester da sauran hydrophobic zaruruwa.D jerin suna nufin wakili mai fari mai kyalli wanda ya dace da fiber na furotin da nailan.Dangane da tsarin sinadarai, ana iya raba nau'ikan fararen fata zuwa nau'i biyar: ① nau'in stilbene, ana amfani da shi a cikin fiber auduga da wasu filaye na roba, yin takarda, yin sabulu da sauran masana'antu, tare da hasken shuɗi;② nau'in coumarin, tare da kamshi Tsarin asali na ketone wake, wanda aka yi amfani da shi a cikin robobi na polyvinyl chloride, da dai sauransu, yana da karfi mai launin shuɗi;③ nau'in pyrazoline, wanda aka yi amfani da shi don ulu, polyamide, acrylic fibers da sauran fibers, tare da haske mai haske;④ nau'in benzoxazine, tare da Don acrylic fibers da sauran robobi irin su polyvinyl chloride da polystyrene, yana da haske mai haske;⑤ phthalimide nau'in, don polyester, acrylic, nailan da sauran zaruruwa, tare da shudi fluorescence.Abin da ke sama shine rarrabuwa na wakilai masu fata.Lokacin da kwastomomi suka zabi masu farar fata, ya kamata su fara fahimtar samfuran nasu, ta yadda za su iya zaɓar madaidaicin wakili.Kuma ya kamata abokan ciniki su sani cewa lokacin amfani da abubuwan da ake amfani da su na fata, masu ba da fata suna haskaka haske ne kawai da launuka masu dacewa, kuma ba za su iya maye gurbin sinadarin bleaching ba.Sabili da haka, ana bi da al'amuran launi kai tsaye tare da wakili na fata ba tare da bleaching ba, kuma ba za a iya samun tasirin farin ciki ba.Kuma wakili na fata ba ya fi fararen fata ba, amma yana da wani ƙwayar jikewa.Ya wuce takamaiman darajar iyaka, ba kawai wani sakamako bane, har ma da yellow.
Lokacin aikawa: Janairu-24-2022