本文研究了聚乙烯咔唑侧基含偶氮发色基团的制备及合成工艺。
The synthesis of Poly (N-vinyl carbazole) with azo chromophore side groups was studied.
红外光谱表明，主要发色基团（共轭羰基）被漂剂破坏，这是提高浆白度的主要原因。
The infra-red spectra showed that the main chromophoric groups (conjugated carbonyl groups) were destroyed by bleaching agents, which was the main reason of brightness incremsent.
对天然彩色棉纤维结构的初步分析发现，天然色彩存在于纤维次生胞壁内，发色基团与羰基有关。
On the basis of structure analysis of colored cotton, it is found that natural color is existed in the secondary cell wall and color group is in line with carbonyl.
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