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.
过氧化氢在没有大量减少纸浆产量情况下，具有消除发色基团的良好选择性，所以它在高白度机械浆的生产中是主要的漂白化学品。
Hydrogen peroxide decreases the pulp yield slightly and has the good selectivity to eliminate the chromophores. So it's an important bleaching agent in the high-brightness Mechanical pulp production.
我们以聚乙烯咔唑为偶合组分，和发色基团对硝基苯重氮盐在相转移催化剂存在下，采用后重氮偶合方法，制备出偶氮化聚乙烯咔唑。
Poly (N-vinyl carbazole) was modified to prepare azo-PVK by post-azo-coupling reaction with diazo salt as raw material using phase-transfer catalysts.
我们以聚乙烯咔唑为偶合组分，和发色基团对硝基苯重氮盐在相转移催化剂存在下，采用后重氮偶合方法，制备出偶氮化聚乙烯咔唑。
Poly (N-vinyl carbazole) was modified to prepare azo-PVK by post-azo-coupling reaction with diazo salt as raw material using phase-transfer catalysts.
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