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聚胺 6.6 的无水染色 6.6 的无水染色

Semiha Eren¹, İrem Özyurt²

¹Textile Engineering Department, Bursa Uludag University, Bursa 16059, Türkiye.

|June 19, 2024

概括

使用超临界二氧化碳 (scCO2) 的聚胺6.6无水染料为传统方法提供了一个环保的替代方案. 这项研究表明,scCO2染色有效地染色PA6.6织物,并改善了较大的染料的颜色强度.

科学领域:

织品化学织品化学
绿色化学绿色化学
材料科学材料科学材料科学

背景情况:

传统的织品染料严重依赖水,导致大量的水消耗和污染.
超临界二氧化碳 (scCO2) 为无水染色工艺提供了一个可行的,环保的替代方案.
聚胺 (PA) 纤维,包括聚胺6.6 (PA6.6),被广泛使用,可以用各种染料染色.

研究的目的:

通过使用超临界二氧化碳 (scCO2) 对聚胺6.6 (PA6.6) 的无水染料的可行性和有效性.
为了评估在scCO2环境中染色的PA6.6织物的染色性能和材料特性.
为了比较scCO2染色对环境的好处与传统的水性染色方法.

主要方法:

使用分散染料在scCO2中在100°C和220巴的温度下45分钟染色PA6.6织物.
测色分析 (K/S值) 用于评估颜色强度.
颜色强度测试,拉伸强度测量,扫描电子显微镜 (SEM) 和里埃变换红外光谱 (FTIR) 分析.

主要成果:

用scCO2染色的PA6.6织物表现出更高的色强度 (K/S值) 与更大的分子量染料.
与较大的颜色相比,中小尺寸的染料实现了类似的颜色强度.
保持了材料性能,如抗拉强度和结构完整性.
FTIR分析证实了染料吸收和与PA6.6纤维的化学相互作用.

结论:

超临界二氧化碳染色是一种高效和环保的方法,用于染色聚胺6.6织物.
这种无水技术为传统染色提供了可持续的替代方案,减少了用水和污染.
scCO2染色工艺允许良好的颜色发育,并保持织材料的物理和化学特性.

关键词:

染色染色染色染色染色聚胺 (PA) 是一种超临界二氧化碳 (scCO2) 是一种超临界的二氧化碳.

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