超临界流体羊驼毛染色操作参数

IF 3.4 3区工程技术 Q2 CHEMISTRY, PHYSICAL

Journal of Supercritical Fluids Pub Date : 2024-10-26 DOI:10.1016/j.supflu.2024.106432

Beatriz G. Orcón Basilio, Delia R. Verástegui Cholán, María E. Tito Silva, Fredy V. Huayta Socantaype, Joel L. Sedano Malpartida, Sandra M. Figueroa Flores, S. Mark Trujillo Navarro, Elizabeth V. Carranza López

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引用次数: 0

摘要

超临界二氧化碳（SC-CO2）被用作羊驼毛纤维染色的替代方法。本研究分析了作为操作参数函数的耐洗色牢度。纤维经过预处理（浸渍），浸泡在 Nylosan Yellow N-3RL 染料的酸化溶液中，通过轧辊挤压，然后在 SC-CO2 系统中染色。前处理染料浓度分别为 4.228 × 10-4 g/ml 和 13.032 × 10-4 g/ml，染色过程采用因子设计进行分析，变量包括压力（100 和 350 巴）、温度（60 和 90 摄氏度）和时间（30 和 120 分钟）。在 13.032 × 10-4 g/ml 的灰度下，耐洗色牢度达到 4.5，温度对染色过程有显著影响（p 值=0.038）。在 100 巴、90°C 和 30 分钟的条件下，耐洗色牢度达到 4。

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Operation parameters of alpaca fiber dyeing with supercritical fluid

Supercritical carbon dioxide (SC-CO2) was used as an alternative method of dyeing alpaca fiber. This study analyzes the colorfastness to laundering as a function of operating parameters. The fiber was subjected to a pretreatment (Impregnation), where it was soaked in an acidulated solution of Nylosan Yellow N-3RL dye, squeezed through a padder roller and then dyed in the SC-CO2 system. Dye concentrations of 4.228 × 10⁻⁴ g/ml and 13.032 × 10^-4 g/ml were tested for pretreatment and the dyeing process was analyzed using a factorial design with variables: pressure (100 and 350 bar), temperature (60 and 90°C) and time (30 and 120 min). The colorfastness to laundering reached 4.5 on the gray scale at 13.032 × 10^–4 g/ml and temperature significantly influenced the process (p-value=0.038). Colorfastness to laundering of 4 at 100 bar, 90°C and 30 min was achieved.

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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.