PAMAM改性海藻酸钙纤维的染色动力学  

Dyeing kinetics of alginate calcium fibers modified with PAMAM

作　　者：杨宏[1] 张传杰[1] 王臻[1] 王柳[1] 朱平[1] 

机构地区：[1]武汉纺织大学"新型纺织材料绿色加工及其功能化"教育部重点实验室,湖北武汉430073

出　　处：《印染》2010年第22期6-8,22,共4页China Dyeing and Finishing

基　　金：国家自然科学基金(50773032);湖北省自然科学基金(2009CDA022);教育部高等学校博士点基金(20061065002)

摘　　要：采用直接湖蓝5B研究树状大分子PAMAM改性海藻酸钙纤维的染色动力学,包括上染速率曲线、半染时间、平衡上染百分率、比染色速率常数和扩散系数。与未改性的海藻酸钙纤维相比,PAMAM改性海藻酸钙纤维的染色性能大大改善,且改善程度与纤维中PAMAM的含量成正比。随着改性海藻酸钙纤维中PAMAM含量的增加和染色温度的升高,染料的平衡上染百分率提高,半染时间缩短,比染色速率常数增大,扩散系数增加,海藻酸钙纤维的染色性能得到改善。Dyeing kinetics of alginate calcium fibers modified with PAMAM was studied using direct lake blue 5B, including dye- ing rate curve, half dyeing time, equilibrium dyeing percentage, dyeing rate constant and diffusion coefficient. Compared with original alginate calcium fibers, the dyeing behavior of alginate calcium fibers modified with PAMAM was improved greatly. With the increase of the dendrimer＇s content and temperature, equilibrium dyeing percentage was raised, half dyeing time was decreased, dyeing rate constant and diffusion coefficient were increased, and the dyeing behavior of alginate calcium fibers was improved.

关 键 词：染色 动力学 直接染料 海藻酸钙纤维 树状大分子 

分 类 号：TS101.921[轻工技术与工程—纺织工程]