在低代端酯基PAMAM树形分子(G0.5-COOCH_3)末端引入4,4'-二氨基二苯乙烯-2,2'-二磺酸,在常温常压下合成一种高分子荧光增白剂(PAMAM-DSD).实验显示,在纸张涂布中使用PAMAM-DSD,纸张的白度以及耐光性均得到明显改善.确定了PAMAM-DSD在涂布颜料中的适宜用量.
The 4,4'-diamino stilbene-2,2'- disulfonic acid was terminated into the early generation PAMAM dendrimer with ester groups (G0.5-COOCH_3), which was used to synthesize a polymeric fluorescent brighteners(PAMAM-DSD) under normal temperature and pressure. The experimental results showed that whiteness and light fastness of paper were obviously improved by using PAMAM-DSD in paper coatings. The optimal dosage for PAMAM-DSD as pigments was identified through experiments.
参考文献
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