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Two novel fluorescent brightening agents (compounds 3a–b shown in Figure 1) were synthesized, using a facile three-step synthetic route, from 4,4′-diamino-2,2′-disulfonic-stilbene, cyanuric chloride, and a readily cross-linkable 3-aminopropyltrimethoxy silane. The products contain hydrolytically active trimethoxysilyl, (–Si(OCH) 3 ), functional groups that readily hydrolyze in the presence...
The fluorescence properties of textiles dyed with optical brighteners have been widely reported in literature. However, little sufficient study has investigated the UV protection properties of textiles dyed with fluorescent whitening agents (FWAs). This study reports the synthesis of a series of stilbene-triazine compounds and their performance on cotton fiber as UV absorbing and FWAs. Triazinyldiaminostilbene...
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