2-(2-羟基-5-磺酸基苯基)苯并三唑紫外线吸收剂的合成及应用  

Synthesis and Application of 2-(2-hydroxy-5-sulfonicphenyl) Benzotriazole Ultraviolet Absorber

作　　者：胡青青[1] 崔志华[1,2] 陈维国[1,2] 唐金波[1] 

机构地区：[1]浙江理工大学先进纺织材料与制备技术教育部重点实验室,杭州310018 [2]浙江理工大学生态染整技术教育部工程研究中心,杭州310018

出　　处：《浙江理工大学学报（自然科学版）》2011年第5期669-673,679,共6页Journal of Zhejiang Sci-Tech University(Natural Sciences)

基　　金：浙江省自然科学基金(Y4090227)

摘　　要：以邻硝基苯胺为重氮组分、对羟基苯磺酸为偶合组分,合成邻位含有硝基的偶氮化合物中间体,再利用二氧化硫脲将此中间体还原,制得一种水溶性紫外线吸收剂2-(2-羟基-5-磺酸基苯基)苯并三唑。将该紫外线吸收剂应用于羊毛织物上,并优化上染工艺。研究发现,pH值和紫外线吸收剂的用量对上染率影响较大,处理后的羊毛织物具有较好的紫外线防护效果。O-nitroaniline and 4-hydroxybenzenesulfonic acid are used to prepare an azo intermediate,which is then reduced by Thiourea S,S-Dioxide to synthesize the target water-solubility UV-absorber 2-（2-hydroxy-5-sulfonicphenyl）benzotriazole.The UV-absorber is applied to wool fabrics and the processing is optimized.The results show that the uptake on wool is largely influenced by both the pH value and amount of UV-absorber applied.The results also reveale that this UV-absorber can obviously improve the UV protective ability of wool fabrics.

关 键 词：苯并三唑 紫外线吸收剂 二氧化硫脲 还原 羊毛 

分 类 号：TQ610.491[化学工程—精细化工]