在超临界二氧化碳中清洁生产和染色基于萘酐的荧光黄色染料

IF 3.4 3区工程技术 Q2 CHEMISTRY, PHYSICAL

Journal of Supercritical Fluids Pub Date : 2024-11-22 DOI:10.1016/j.supflu.2024.106470

Yutao Feng , Junyang Zhu , Hailong Cui , Ziyi Lu , Jinglong Li , Ying Wang , Chengqi Jiao , Xiaoqing Xiong

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引用次数: 0

摘要

四种萘啶酰亚胺染料（Y-1、Y-2、Y-3 和 Y-4）的合成和染色选择了超临界二氧化碳（scCO2）作为介质。它们是通过 4-溴-1,8-萘二酐与各种胺反应合成的。这些染料具有良好的光物理性质和热稳定性，符合 scCO2 染色的先决条件。因此，利用这四种染料对涤纶织物进行了 scCO2 染色研究，并在 1820 兆帕、120130℃ 和 8090 分钟的范围内确定了最佳染色条件。表面分析表明，染料在织物上分布均匀，染色条件对织物结构没有明显破坏。此外，染色织物的皂洗色牢度和摩擦色牢度都达到了 4 级以上。总之，萘二甲酰亚胺染料的清洁制备和染色有望减少环境污染。

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Clean production and dyeing of fluorescent yellow dyes based on naphthalic anhydride in supercritical carbon dioxide

Supercritical carbon dioxide (scCO₂) was selected as the medium for the synthesis and dyeing of four naphthalimide dyes (Y-1, Y-2, Y-3, and Y-4). They were synthesized through the reaction of 4-bromo-1,8-naphthalene dianhydride with various amines. These dyes demonstrated good photophysical properties and thermal stability, aligning with the prerequisites for scCO₂ dyeing. Consequently, the scCO₂ dyeing of polyester fabrics using these four dyes was investigated, and the optimal dyeing conditions were established in the range of 1820 MPa, 120130℃, and 8090 min. Surface analysis confirmed the uniform distribution of the dyes on the fabrics, with no significant damage to the fabric structure under the dyeing conditions. Additionally, the dyed fabrics exhibited good color fastness to soap washing and friction with level 4 or above. Overall, the clean preparation and dyeing of naphthalimide dyes hold promise for reducing environmental pollution.

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来源期刊

Journal of Supercritical Fluids 工程技术-工程：化工

CiteScore

7.60

自引率

10.30%

发文量

236

审稿时长

56 days

期刊介绍： The Journal of Supercritical Fluids is an international journal devoted to the fundamental and applied aspects of supercritical fluids and processes. Its aim is to provide a focused platform for academic and industrial researchers to report their findings and to have ready access to the advances in this rapidly growing field. Its coverage is multidisciplinary and includes both basic and applied topics. Thermodynamics and phase equilibria, reaction kinetics and rate processes, thermal and transport properties, and all topics related to processing such as separations (extraction, fractionation, purification, chromatography) nucleation and impregnation are within the scope. Accounts of specific engineering applications such as those encountered in food, fuel, natural products, minerals, pharmaceuticals and polymer industries are included. Topics related to high pressure equipment design, analytical techniques, sensors, and process control methodologies are also within the scope of the journal.