Ukwethulwa kwe-Optical brightener OB-1
I-Optical brightener OB-1,2,2- (4,4-distyreneyl) dibenzoxazole iwuketshezi oluphuzi oluyikristalu olunephuzu lokuncibilika elingu-359-362 ℃. Ayincibiliki emanzini, ayinaphunga, futhi inokusebenza okuzinzile. Ubukhulu bokumuncwa kwe-spectrum wavelength ngu-374nm, futhi ine-fluorescence eqinile ene-fluorescence emission wavelength engu-434nm. I-Optical brightener i-OB-1 iwumshini okhanyayo osebenza kahle osetshenziselwa imicu ye-polyester, futhi isetshenziswa kakhulu kumapulasitiki afana ne-ABS, PS, HIPS, PC, PP, PE, EVA, ne-PVC eqinile. Inomphumela omuhle kakhulu wokumhlophe, ukuzinza okuhle kakhulu kokushisa, nokwengeza okuncane.
Izikhanyisi zamehlo zingakwazi ukumunca ukukhanya okungabonakali kwe-ultraviolet (ngobubanzi begagasi obungaba ngu-360-380nm) futhi ziguqule zibe ubude beza obuluhlaza okwesibhakabhaka noma ukukhanya okunsomi okubonakalayo, ngaleyo ndlela kunxeshezele okuphuzi okuncane okungafunwa ku-matrix. Ngesikhathi esifanayo, abonisa ukukhanya okubonakala kakhudlwana kunobude beza begagasi besigameko sokuqala ebangeni elingu-400-600nm, okwenza umkhiqizo ubonakale umhlophe, ukhanya, futhi udlangile.
Ukusetshenziswa kwe-Optical brightener OB-1
Lo mkhiqizo ulungele ukwenziwa mhlophe nokukhanyisa amapulasitiki afana ne-PVC, i-PE, i-PP, i-ABS, i-PC, i-PA, njll. Unomthamo ophansi, ukuguquguquka okuqinile, nokuhlakazeka okuhle. Lo mkhiqizo unobuthi obuphansi kakhulu futhi ungasetshenziselwa ukwenza amapulasitiki abe mhlophe asetshenziswe ekufakweni kokudla kanye namathoyizi ezingane. Ingangezwa ngesikhathi sokucubungula noma i-polymerization, futhi impahla emhlophe inobumhlophe obuphezulu nokushisa okuhle kakhulu nokumelana nesimo sezulu. I-OB-1 nayo ingenziwa ibe yinamethi ye-textile whitening.
Izinzuzo ze-Optical brightener OB-1
1.Ngokombono wokumelana nezinga lokushisa:
I-Optical brightener i-OB-1 inephuzu lokuncibilika elingaphezu kuka-350 ℃ futhi okwamanje ikwazi ukumelana nokushisa phakathi kwayo yonke imikhiqizo yokukhanya ekhanyayo. Kubaphathi abakhiqiza amapulasitiki amelana nezinga lokushisa eliphezulu, i-optical brightener OB-1 ifaneleka kakhulu.
Njengoba kwaziwa, imboni yepulasitiki iyimboni ebanzi futhi ehlukahlukene enezinhlobo nezici eziningi. Izinga lokushisa lenqubo yokukhiqiza yemikhiqizo eminingi yepulasitiki liphezulu uma kuqhathaniswa, eminye ifinyelela ngisho nangaphezu kuka-300 degrees Celsius. Njengamanje, i-Optical brightener kuphela i-OB-1 ingakwazi ukumelana namazinga okushisa aphezulu, okubuye kube inzuzo ye-Optical brightener OB-1.
2. Ukwahlulela kusukela ekukhanyeni kwe-fluorescent okukhishiwe
Imikhiqizo ehlukene yokukhanya okukhanyayo inemibala ehlukene, ezinye izikhanyisi ze-optical zikhipha ukukhanya okuluhlaza okwesibhakabhaka, kanti ezinye zikhipha ukukhanya okunsomi okwesibhakabhaka. Iningi lezinto zokusetshenziswa emvelweni ziphuzi, futhi ukukhanya okuphuzi kuhlanganiswe nokukhanya okuluhlaza okwesibhakabhaka kukhiqiza ukukhanya okumhlophe. Ngakho-ke, ukukhanya okukhanyayo okunokukhanya okuluhlaza okwesibhakabhaka okusindayo kunemiphumela engcono ye-fluorescence ne-whitening, futhi inani elingeziwe nalo lincane.
I-Optical brightener OB-1 ingahlukaniswa ngesigaba esiluhlaza kanye nesigaba esiphuzi ngokubukeka. I-fluorescence ekhishwa isigaba esiluhlaza ichemile ekukhanyeni okuluhlaza okwesibhakabhaka, kuyilapho i-fluorescence ekhishwa isigaba esiphuzi ichemile ekukhanyeni okunsomi okuluhlaza okwesibhakabhaka. Ngakho-ke, yingakho amakhasimende amaningi ekhetha isigaba esiluhlaza se-optical brightener OB-1 namuhla.
Singabahlinzeki abakhulu e-China, ngentengo noma imininingwane eyengeziwe wamukelekile ukuxhumana nathi ku:
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Isikhathi sokuthumela: Nov-27-2024