Cation modified dyeing method of ceiba fiber textiles

A cationic modifier and kapok fiber technology, applied in dyeing, textile and papermaking, fiber treatment, etc., can solve problems such as poor fastness and weak binding force, reduce salt consumption, improve binding force, and shorten dyeing time Effect

Inactive Publication Date: 2012-02-15
SHANGHAI UNIV OF ENG SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Adsorption-type cationic modifier is a kind of polycationic compound and polyamine compound, which can be directly adsorbed on the fiber. This kind of cationic modifier has weak binding force with the fabric, poor fastness after treatment, and is rarely used in practice.

Method used

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  • Cation modified dyeing method of ceiba fiber textiles
  • Cation modified dyeing method of ceiba fiber textiles
  • Cation modified dyeing method of ceiba fiber textiles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A cationic modification dyeing method of kapok fiber textiles, the method comprises three steps of pretreatment, cationic modification and dyeing.

[0025] (1) Pre-treatment of kapok fiber textiles:

[0026] Kapok→alkali treatment→washing→drying→hydrogen peroxide bleaching treatment→washing→drying.

[0027] Among them, kapok fiber textiles use kapok loose fiber, and the alkali treatment solution and hydrogen peroxide bleaching treatment solution all use water as a solvent, and their components are as follows:

[0028] a. Alkali treatment solution: sodium hydroxide, 10g / L; penetrant JFC, 1g / L; Pingpinga O, 1g / L; sodium silicate, 2g / L; liquor ratio, 1:30.

[0029] B, hydrogen peroxide bleaching treatment solution: 30% hydrogen peroxide, 20g / L; Oxygen bleaching stabilizer sodium silicate, 1g / L; Regulate pH value with sodium hydroxide to be 10.5~11; Liquor ratio, 1: 30.

[0030] Specific operation:

[0031] Immerse loose kapok fiber in alkali treatment solution, treat it...

Embodiment 2

[0043] A cationic modification dyeing method of kapok fiber textiles, the method comprises three steps of pretreatment, cationic modification and dyeing.

[0044] The first two steps are the same as in Example 1, and the third step adopts reactive dye dyeing.

[0045] Dyeing with reactive dyes→washing→drying.

[0046] Reactive dye dyeing solution: reactive dye (Ciba FN-R), 1% (o.w.f); penetrant JFC, 2g / L; electrolyte sodium chloride, 20g / l; liquor ratio, 1:50.

[0047] Specific operation:

[0048] Shake the reactive dye solution at 60°C for 10 minutes, then take the kapok fiber after quantitative pretreatment, immerse it in the dye solution, and dye it at 60°C for 30 minutes to test the dye uptake rate, then add alkali agent sodium carbonate (10g / L), fix the color at 60°C for 60 minutes, and test the dye uptake rate, take it out, wash it with water, and dry it.

Embodiment 3

[0060] A cationic modification dyeing method of kapok fiber textiles, the method comprises the following steps:

[0061] (1) Place kapok fiber textiles in caustic soda solution added with surfactant and sodium silicate, control the temperature at 95°C for alkali treatment for 3 hours, wash and dry, then soak the alkali-treated textiles in bleach solution Carry out bleaching treatment and wash and dry in water, remove the wax and impurity on the surface of kapok fiber and bleach the kapok fiber;

[0062] (2) Immerse the kapok fiber textiles processed through step (1) in the cationic modifier solution that is added with penetrant, adjust the pH value to be 6, bath ratio 1: 10, control temperature to be 20 ℃, to kapok fiber macromolecules Carry out cationic modification treatment for 90 minutes;

[0063] (3) Control the temperature at 90°C, shake the anionic dye solution for 10 minutes, then place the modified kapok fiber textiles that have undergone cationization treatment in a...

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Abstract

The invention relates to a cation modified dyeing method of ceiba fiber textiles, which comprises the following steps: immerging the ceiba fiber textiles into a cation modifying agent solution after alkali treatment and bleaching; carrying out cationization modifying treatment for 20 to 60 min; carrying out water washing and baking; then, carrying out dyeing treatment by anionic dyestuff; and next, obtaining products through water washing and baking. Compared with the prior art, the invention adopts the cation modified ceiba fiber method so that the fiber modified by cations has positive charges, the bonding force of anionic dyestuff and the fiber is enhanced through the effect of Coulomb attraction, and the adsorption on dyestuff anions is enhanced. Thereby, the invention improves the dye uptake of the dyestuff, shortens the dyeing time, and saves water and auxiliary agents, and in addition, the salt consumption can be reduced, or even the salt-free dyeing can be realized. In addition, both the water washing fastness and the light fastness of dyeing textiles are improved.

Description

technical field [0001] The invention relates to a modified dyeing method, in particular to a cationic modified dyeing method of kapok fiber textiles. Background technique [0002] Kapok fiber is the fruit fiber of the woody plant kapok tree, attached to the inner wall of the kapok capsule shell, developed and grown from the inner wall cells. The adhesion force between kapok fiber and fruit is small, so special primary processing equipment is generally not required, and kapok seeds can sink to the bottom by themselves, and kapok fiber can be obtained only by sieving in baskets. Kapok fiber has many natural characteristics such as green ecology, hollow and ultra-light, good warmth retention, natural antibacterial, moisture absorption and moisture conduction. However, kapok fiber is difficult to spin alone because of its short length, low strength, poor cohesion and lack of elasticity, which restrict its application and development in textile and clothing. At present, thermal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06P3/62D06P3/66D06P3/60D06M11/38D06M11/79D06M13/46D06M13/385D06M15/356D06M13/35D06M15/61D06L3/02D06L3/06D06L3/08D06M101/06D06L4/12D06L4/13D06L4/23D06L4/24
Inventor 沈勇丁颖张慧芳王黎明周晓英祝青青
Owner SHANGHAI UNIV OF ENG SCI
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