聚酰胺-胺改性黏胶纤维活性染料染色动力学研究

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英文篇名：Dyeing kinetics of viscose fibers modified by polyamidoamine with active dyes 作者：何叶伟 ; 隋淑英 ; 蒋之铭 ; 楚旭东 ; 朱平 英文作者：HE Yewei;SUI Shuying;JIANG Zhiming;CHU Xudong;ZHU Ping;Institute of Functional Textiles and Advanced Materials, College of Textile & Clothing, Growing Base for State Key Laboratory of New Fiber Materials and Modern Textile, Collaborative Innovation Center of Marine Biomass Fibers, Materials and Textiles of Shandong Province, Qingdao University; 关键词：活性染料 ; 染色动力学 ; 聚酰胺-胺 ; 黏胶纤维 ; 无盐染色 英文关键词：active dyes;;dyeing kinetics;;PAMAM;;viscose fiber;;salt-free dyeing 中文刊名：YRZJ 英文刊名：Textile Auxiliaries 机构：青岛大学功能纺织品与先进材料研究院青岛大学纺织服装学院青岛大学纤维新材料及现代纺织国家重点实验室培育基地海洋生物质纤维材料及纺织品山东省协同创新中心; 出版日期：2019-03-20 出版单位：印染助剂 年：2019 期：v.36;No.271 语种：中文; 页：YRZJ201903007 页数：4 CN：03 ISSN：32-1262/TQ 分类号：32-35

摘要

选用活性深蓝K-R研究聚酰胺-胺(PAMAM)改性黏胶纤维的无盐染色动力学,并与黏胶纤维常规染色工艺进行对比。通过测定上染速率曲线,计算出半染时间、平衡上染率、比染色速率常数和扩散系数等。结果表明,随着PAMAM树状分子质量分数的增加,半染时间逐渐下降,活性深蓝K-R在黏胶纤维上的初始上染率、平衡上染率和比染色速率常数都逐渐增大;当PAMAM质量分数达到10%时,可以实现黏胶纤维的无盐染色,染色后断裂强度稍有下降,但影响不大。
        Dyeing kinetics of viscose fibers modified by PAMAM salt-free dyeing was studied using active deep blue K-R. The dyeing rate curve was measured to calculate half-dyeing time, equilibrium dyeing rate, specific dyeing rate constant and diffusion coefficient. The results showed that with the increasing of PAMAM dendrimer molecular, the half-dyeing time decreased, but the initial dyeing rate, equilibrium dyeing rate and specific dyeing rate constant increased gradually. When PAMAM content reached 10%, the salt-free dyeing of viscose fiber could be realized, and the breaking strength after dyeing slightly decreased, but the impact was not significant.

引文

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