...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>New Journal of Chemistry >The synthesis of polymeric dyes based on waterborne polyurethane: a reaction kinetics study using UV absorption spectroscopy
【24h】

The synthesis of polymeric dyes based on waterborne polyurethane: a reaction kinetics study using UV absorption spectroscopy

机译：基于水性聚氨酯的聚合物染料合成：使用UV吸收光谱的反应动力学研究

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Waterborne polyurethane (WPU) based polymeric dyes with anthraquinone chromophores were developed to realize coloring textiles and improve color fastness. The preparation of polymeric dyes through the reaction of 1,4-diamino-2,3-diphenoxyanthraquinone (DV26) and NCO-terminated prepolymer was monitored via UV absorption spectroscopy. With the progress of the reaction, the intensity of the absorption peak of the primary amine group at 586 nm decreased as a function of reaction time. Thus, the conversion of DV26 at different times and the reaction end point could be determined. The reaction mechanism corresponded to an autocatalytic reaction equation, basically. In addition, the results of performance tests showed that the polymeric dyes exhibited good emulsion stability, ultra-low migration percentages, good water resistance and excellent thermal stability. Moreover, the application properties of DWPU on coated polyester fabrics were satisfactory.
机译：开发了水性聚氨酯（WPU）与蒽醌发色团的聚合物染料，以实现着色纺织品并改善色牢度。 通过UV吸收光谱监测通过UV吸收光谱监测通过1,4-氨基-2,3-二酚氧基醌（DV26）和NCO封端的预聚物反应的聚合物染料。 随着反应的进展，伯胺基的吸收峰的强度在586nm处随反应时间的函数而降低。 因此，可以确定DV26在不同时间和反应端点的转换。 反应机制基本上对应于自催化反应方程。 此外，性能试验结果表明，聚合物染料表现出良好的乳液稳定性，超低迁移百分比，良好的耐水性和优异的热稳定性。 此外，DWPU对涂层聚酯织物的应用性质令人满意。

著录项

  • 来源
    《New Journal of Chemistry》 |2020年第7期|共11页
  • 作者

    Zhu Jun; Li Jie; Sang Chao; Luo Yunjun;

  • 作者单位

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing 100081 Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号