Adenosine Triphosphate/Chitin Whisker/Phenylboronic Acid-Modified Wool Fabrics with Enhanced Dyeability

Area of Science:

• Textile Chemistry
• Sustainable Materials Science
• Surface Modification

Background:

• Improving dye uptake in wool is crucial for sustainable textile processing.
• Traditional wool dyeing often requires harsh conditions or additional agents.
• Developing eco-friendly methods to enhance wool dyeability is an ongoing challenge.

Purpose of the Study:

• To develop an effective and sustainable modification approach for wool fabric.
• To enhance the dyeability of wool fabric using specific chemical agents.
• To investigate the dyeing properties and fastness of modified wool fabrics.

Main Methods:

• Wool fabric was modified using adenosine triphosphate (activator), 3-carboxyphenyl boronic acid (ligand-binding agent), and chitin whisker (couple agent).
• Surface morphology and structure of modified wool were characterized.
• Modified wool was dyed with natural luteolin and acid red 1, analyzing dyeing parameters and kinetics.
• Color depth (K/S) and color fastness were evaluated.

Main Results:

• The modified wool fabric exhibited significantly improved dye uptake and surface color depth (K/S) compared to untreated wool.
• Optimal dyeing temperatures were identified as 45 °C for luteolin and 60 °C for acid red 1.
• Dyeing kinetics followed the Langmuir isotherm and pseudo-second-order model for both dyes on modified wool.
• Enhanced color fastness was observed for the dyed modified wool fabrics.

Conclusions:

• The developed modification method effectively enhances wool fabric's low-temperature dyeability.
• The approach utilizes readily available agents for a sustainable textile processing solution.
• This research provides a facile and eco-friendly pathway for improved wool dyeing.