Interrelations between the fibre structure and the reactive dyeing properties of NaOH-treated cotton fibres

Saafan, A. A.; Habib, A. M.

doi:10.1016/0166-6622(89)80100-3

Cited by 2 publications

(3 citation statements)

References 3 publications

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“…The action of the strong alkali solution caused irreversible swelling of the cotton fiber, the elimination of the natural longitudinal deformation, and the formation of a smooth cylindrical fiber. After mercerization, the amorphous area inside the fiber increased and the crystallinity decreased, leading to increased surface area and porosity 34 . These results were consistent with the settling time and changes in water retention rate reported in the literature.…”

Section: Resultssupporting

confidence: 90%

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The effect of mercerization on water conductivity in cotton fabrics and its regulation

Huang

Wang

et al. 2023

J of Applied Polymer Sci

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Mercerization had been widely used in the textile industry because of its simplicity and ability to improve the luster, strength, and dyeing properties of cotton fabrics. However, the water transfer behavior of mercerized cotton fabrics had not been systematically investigated. In this work, cotton fabrics were treated with different concentrations of alkali (130 and 260 g/L) for structural characterization (scanning electron microscopy [SEM], Fourier transform infrared [FTIR]), water absorption (vertical wicking height), moisture absorption (moisture return rate), water retention, and so forth, and were compared with industrial mercerized cotton. It meant that water absorbency and water holding capacity of mercerized cotton textiles were improved by reducing surface impurity, increasing amorphous region, and increasing the number of free hydroxyl groups. It was easier for water molecules to move through the fabric as the vertical wicking height increased. Research showed that the water absorption and water transfer properties of cotton fabrics were related to the alkali concentration in the mercerized treatment, and a comparison with industrial mercerized cotton also proved this point. It also showed that the amount of tension had an effect on water transfer in the fabric, which provided further precision in regulating the mercerization process, improving the thermal comfort of mercerized fabrics, and achieving the aim of regulating the mercerization process according to market demand and environmental influences.

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Section: Resultssupporting

confidence: 90%

“…After mercerization, the amorphous area inside the fiber increased and the crystallinity decreased, leading to increased surface area and porosity. 34 These results were consistent with the settling time and changes in water retention rate reported in the literature.…”

Section: Water Absorption and Retention Of Cotton Fabric Before And A...supporting

confidence: 91%

The effect of mercerization on water conductivity in cotton fabrics and its regulation

Huang

Wang

et al. 2023

J of Applied Polymer Sci

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“…Inglesby and Zeronian 22 reported that the ISEC method was the most informative way to study the pore structure of waterswollen cellulosic fibers. By using ISEC, Saafan and Habib 23 found that higher color yields of mercerized cotton were associated with an increase in their pore volume compared with non-mercerized cotton. They also employed the results of ISEC to rationalize the observation that the use of LA treatment alone led to a decrease in dyeability of fabrics with C.I.…”

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confidence: 99%

Effect of liquid ammonia treatment on the pore structure of mercerized cotton and its uptake of reactive dyes

Sun

Zhou

Xing

2016

Textile Research Journal

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Structural changes in mercerized cotton by liquid ammonia (LA) treatment were investigated and correlated with changes in dyeability of cotton fabrics with reactive dyes. The pore structures of mercerized cotton and mercerized-liquid ammonia (M-LA) treated cotton were characterized by inverse size exclusion chromatography (ISEC). Results showed that when the mercerized cotton was subjected to LA treatment, cumulative accessible volume of smaller pores (e.g., 25.2 Å) increased, whereas that of the larger pores (e.g., 56.7 Å) decreased. These results might be related to the changes in the amorphous region of cotton fiber. The decrease in crystallinity of cotton fiber would increase accessible volume of smaller pores. The larger pores might be compressed by extrusion during swelling of microfibrils or elementary fibrils in water. The change in dyeability of fabrics with reactive dyes of various molecular weights could be rationalized using the observed changes in pore structure. Results also showed that ISEC was more suitable than the method employing Chrastil's diffusion equation for analyzing the pore structure of cotton fiber.

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Interrelations between the fibre structure and the reactive dyeing properties of NaOH-treated cotton fibres

Cited by 2 publications

References 3 publications

The effect of mercerization on water conductivity in cotton fabrics and its regulation

The effect of mercerization on water conductivity in cotton fabrics and its regulation

Effect of liquid ammonia treatment on the pore structure of mercerized cotton and its uptake of reactive dyes

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