Fluorescent brighter #71 used for the papermaking process
Fluorescent whitening agent 71 (FB #71) 4,4′-bis[4-anilino-6-morpholino-1,3,5-triazin-2-yl]amino-2,2′-stilbene disodium salt (CAS #16090-02-1) is used on the wet-end papermaking process and coating papermaking process to increase the brightness of paper.
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inventional inventional inventional
Eric Ji Wei Meng Jun
Li Li