Umhlaba ukhiqiza amathani ayizigidi ezingama-300 emfucuza yepulasitiki minyaka yonke.amathani ayizigidi ezingu-300 kadoti ngokungangabazeki iyinhlekelele enkulu emvelweni, futhi futhi iyingcebo enkulu.Uma kuqhathaniswa nezinto ezintsha,amapulasitiki agaywe kabushaziye zehla kukho kokubili ukubukeka nokusebenza, okungekho nzima kubantu abasebenza kanzima nabahlakaniphile lapho bebhekene nezinzuzo ezinkulu.
Ukusebenza kwamapulasitiki agaywe kabusha akukanciphi kangako, futhi inkinga enkulu kuseyikhwalithi yokubukeka.Ake sithathe PPizikhwama ezilukiweyo njengesibonelo.Umbala wezikhwama ezilukiwe ezenziwe ngepulasitiki esenziwe kabusha uhlala uphuzi noma ufiphele.Nokho, ukuvelaizibani ze-fluorescentisishintshe ngokuphelele lesi simo.
I-Fluorescent whitening agentsbona abanawo umbala, futhi basebenzisa isimiso sombala ohambisanayo nokukhanya ukuze babe mhlophe.Umbala wesikhwama esilukiwe uphenduka ubephuzi futhi ube lufifi, futhi isizathu esiyisisekelo siwukuthi ingaphezulu lesikhwama esilukiwe libonisa ukukhanya okuphuzi kakhulu, futhi isamba sokukhanya okukhishwayo akwanele.I-Fluorescent whitening agents imunca imisebe ye-ultraviolet engabonakali futhi ikhiphe i-fluorescence ebonakalayo eluhlaza okwesibhakabhaka ngeso lenyama, okungashiwo ukuthi iyimbangela yokuba phuzi.Ukukhanya okuphuzi nokukhanya okuluhlaza okwesibhakabhaka imibala ehambisanayo, futhi lapho ihlangana, iba ukukhanya okumhlophe.Ngaphezu kwalokho, ukukhanya okungabonakali kwe-ultraviolet kuguqulwa kube ukukhanya okubonakalayo, okwandisa ngokungabonakali ukubonakaliswa okuphelele komkhiqizo ngokwawo.
Inkinga yezinkinga, wonke amathuba angaphakathi kwenkinga, inqobo nje uma kutholakala indlela efanele, amathuba ayeza.Ekuqaleni inhlekelele, ipulasitiki egaywe kabusha, ngosizo lwe-fluorescent whitening agents, yaqeda ukujika okuhle futhi yabuyela esiteji.
Isikhathi sokuthumela: May-12-2023