CN113005763B - Fabric fluorescence removing method and fabric processing method - Google Patents
Fabric fluorescence removing method and fabric processing method Download PDFInfo
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- CN113005763B CN113005763B CN202110207830.1A CN202110207830A CN113005763B CN 113005763 B CN113005763 B CN 113005763B CN 202110207830 A CN202110207830 A CN 202110207830A CN 113005763 B CN113005763 B CN 113005763B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with hydrogen peroxide or peroxides of metals; with persulfuric, permanganic, pernitric, percarbonic acids or their salts
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
- D06M11/55—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/192—Polycarboxylic acids; Anhydrides, halides or salts thereof
Abstract
The invention discloses a fabric fluorescence removing method and a fabric processing method. The method for removing the fluorescence of the fabric comprises the following steps: carrying out first dipping treatment on the fabric to be treated stained with fluorescence by adopting a potassium permanganate solution to obtain a first dipped fabric, stacking the first dipped fabric at the temperature of 5-35 ℃ for 10-200 min, washing the first dipped fabric with water, and then drying to obtain a dried fabric; the concentration of the potassium permanganate solution is 1 g/L-30 g/L; and carrying out second impregnation treatment on the dried fabric by adopting an oxalic acid solution to obtain a second impregnated fabric, wherein the concentration of the oxalic acid solution is 1-30 g/L, the second impregnated fabric is directly stacked at the temperature of 5-35 ℃ for 10-200 min, and the second impregnated fabric is subjected to washing treatment and then drying treatment. The fabric fluorescence removing method can effectively remove the fluorescent reagent on the fabric.
Description
Technical Field
The invention relates to a textile processing technology, in particular to a fabric fluorescence removing method and a fabric processing method.
Background
In the textile field, fabrics are very easy to be stained with fluorescent reagents due to various reasons in the processing process, and once the fabrics are stained with fluorescent reagents, the fluorescent reagents are difficult to eliminate, so that the quality of the fabrics is influenced. At present, there is no good method for eliminating fluorescence from fabrics.
Disclosure of Invention
Therefore, a method for removing fluorescence from fabric and a method for processing fabric are needed. The method for removing the fluorescence from the fabric can effectively remove the fluorescence reagent on the fabric, and is simple to operate.
A fabric fluorescence removing method comprises the following steps:
performing primary impregnation treatment on the fabric to be treated stained with fluorescence by using a potassium permanganate solution to obtain a first impregnated fabric, stacking the first impregnated fabric at the temperature of 5-35 ℃ for 10-200min, performing water washing treatment on the first impregnated fabric, and then drying the first impregnated fabric to obtain a dried fabric; the concentration of the potassium permanganate solution is 1 g/L-30 g/L;
and carrying out second dipping treatment on the dried fabric by adopting an oxalic acid solution to obtain a second dipped fabric, wherein the concentration of the oxalic acid solution is 1 g/L-30 g/L, stacking the second dipped fabric at 5-35 ℃ for 10 min-200min, and carrying out water washing treatment and drying treatment on the second dipped fabric.
In one embodiment, the concentration of the potassium permanganate solution is 3 g/L-30 g/L.
In one embodiment, the concentration of the potassium permanganate solution is 10 g/L-20 g/L.
In one embodiment, the temperature of the potassium permanganate solution is 1-40 ℃, the pH value of the potassium permanganate solution is 2.0-6.0, and the time of the first dipping treatment is 0.2s-5h.
In one embodiment, the time of the first impregnation treatment is 5min to 2h.
In one embodiment, the method further comprises the following steps: and rolling the first impregnated fabric after the first impregnated fabric is washed and before the first impregnated fabric is dried.
In one embodiment, the pressure of a compression roller is 0.2MPa to 0.4MPa during the rolling treatment, and the linear speed of the compression roller is 5m/min to 120m/min.
In one embodiment, the concentration of the oxalic acid solution is 3 g/L-30 g/L.
In one embodiment, the concentration of the oxalic acid solution is 10 g/L-20 g/L.
A method for processing a fabric, which comprises the method for removing the fluorescence of the fabric.
The fabric fluorescence removing method can effectively remove the fluorescent reagent on the fabric, and is simple to operate and low in cost. In the fabric fluorescence removing method, a potassium permanganate solution is used as a strong oxidant to oxidize side chain alkyl of a fluorescent reagent on the fabric to be treated into carboxyl, so that the stability of the fluorescent reagent is damaged, and the aim of removing the fluorescent reagent on the fabric to be treated is fulfilled. The second step is to remove the residual potassium permanganate substance on the fabric. After the two steps of treatment, the fluorescence on the fabric can be removed by about 95 percent. The peeled fabric treated by the fabric fluorescence removing method and the fabric before peeling which is not treated by the fabric fluorescence removing method are respectively soaked in hot water at 90 ℃ for 5min together with bleaching cloth, the fluorescence staining conditions of the bleaching cloth after the two soaking treatments are compared as follows, the bleaching cloth soaked together with the fabric before peeling is seriously stained with fluorescence, and the bleaching cloth soaked together with the peeled fabric is basically not stained with fluorescence, so that the fabric fluorescence removing method can effectively remove the fluorescence reagent from the fabric to be treated.
Detailed Description
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the following examples and comparative examples, potassium permanganate, sulfuric acid and oxalic acid are all commercially available industrial chemical assistants and are commercially available.
The embodiment of the invention provides a fabric fluorescence removing method.
A fabric fluorescence removing method comprises the following steps:
performing primary impregnation treatment on the fabric to be treated stained with fluorescence by using a potassium permanganate solution to obtain a first impregnated fabric, stacking the first impregnated fabric at the temperature of 5-35 ℃ for 10-200min, performing water washing treatment on the first impregnated fabric, and then drying the first impregnated fabric to obtain a dried fabric; the concentration of the potassium permanganate solution is 1-30 g/L. The above-mentioned stacking temperature may be 5 deg.C, 10 deg.C, 15 deg.C, 20 deg.C, 25 deg.C, 30 deg.C, 35 deg.C or other values.
And carrying out second dipping treatment on the dried fabric by adopting an oxalic acid solution to obtain a second dipped fabric, wherein the concentration of the oxalic acid solution is 1 g/L-30 g/L, stacking the second dipped fabric at 5-35 ℃ for 10 min-200min, and carrying out water washing treatment and drying treatment on the second dipped fabric. The temperature of the above-mentioned stack may be 5 deg.C, 10 deg.C, 15 deg.C, 20 deg.C, 25 deg.C, 30 deg.C, 35 deg.C or other values.
In one embodiment, the concentration of the potassium permanganate solution is 3 g/L-30 g/L. For example, in one particular example, the concentration of the potassium permanganate solution is 3g/L, 5g/L, 10g/L, 15g/L, 18g/L, 20g/L, 21g/L, 25g/L, 30g/L, or other values.
In one embodiment, the concentration of the potassium permanganate solution is 10 g/L-20 g/L.
In one embodiment, the temperature of the potassium permanganate solution is 1 ℃ to 40 ℃, and preferably, the temperature of the potassium permanganate solution is 25 ℃. The pH value of the potassium permanganate solution is 2.0-6.0, and the time of the first dipping treatment is 0.2s-5h. The pH value of the potassium permanganate solution can be adjusted by 98% sulfuric acid.
In one embodiment, the time of the first impregnation treatment is 5min to 2h. In a specific example, the time of the first immersion treatment is 5min, 10min, 30min, 1h, 1.5h, 2h or other values.
In one embodiment, the method further comprises the following steps: and rolling the first impregnated fabric after the first impregnated fabric is washed and before the first impregnated fabric is dried.
In one embodiment, the pressure of a compression roller is 0.2MPa to 0.4MPa, and the linear speed of the compression roller is 5m/min to 120m/min. In a specific example, the linear velocity of the nip rolls is 5m/min, 10m/min, 20m/min, 30m/min, 50m/min, 80m/min, 100m/min, 120m/min, or other values.
In one embodiment, the concentration of the oxalic acid solution is 3 g/L-30 g/L. In one specific example, the concentration of the oxalic acid solution is 3g/L, 5g/L, 10g/L, 15g/L, 18g/L, 20g/L, 21g/L, 25g/L, 30g/L, or other values. Preferably, the concentration of the oxalic acid solution is 10 g/L-20 g/L.
The embodiment of the invention also provides a processing method of the fabric.
A processing method of fabric comprises the fluorescence removing method of the fabric.
The fabric fluorescence removing method can effectively remove the fluorescent reagent on the fabric, and is simple to operate and low in cost. In the fabric fluorescence removing method, a potassium permanganate solution is used as a strong oxidant to oxidize side chain alkyl of a fluorescent reagent on the fabric to be treated into carboxyl, so that the stability of the fluorescent reagent is damaged, and the aim of removing the fluorescent reagent on the fabric to be treated is fulfilled. The second step is to remove the residual potassium permanganate and other substances on the fabric. After the two steps of treatment, the fluorescence on the fabric can be removed by about 95 percent. The peeled fabric treated by the fabric fluorescence removing method and the fabric before peeling which is not treated by the fabric fluorescence removing method are respectively soaked in hot water at 90 ℃ for 5min together with bleaching cloth, the fluorescence staining conditions of the bleaching cloth after the two soaking treatments are compared as follows, the bleaching cloth soaked together with the fabric before peeling is seriously stained with fluorescence, and the bleaching cloth soaked together with the peeled fabric is basically not stained with fluorescence, so that the fabric fluorescence removing method can effectively remove the fluorescence reagent from the fabric to be treated.
Example 1
The embodiment provides a fabric fluorescence removing method.
A fabric fluorescence removing method comprises the following steps:
carrying out primary dipping treatment on a fluorescent 50S white cloth for 1h by adopting a potassium permanganate solution to obtain a first dipped fabric, stacking the first dipped fabric at the temperature of 25 ℃ for 2h, washing the first dipped fabric, carrying out rolling treatment by adopting the pressure of 0.3MPa and the linear speed of 50m/min, and drying to obtain a dried fabric; in the embodiment, the concentration of the potassium permanganate solution is 15g/L, the temperature of the potassium permanganate solution is 25 ℃, 98% sulfuric acid is added into each liter of the potassium permanganate solution, and the pH value of the potassium permanganate solution is adjusted to 4.0.
And carrying out second impregnation treatment on the dried fabric by adopting an oxalic acid solution to obtain a second impregnated fabric, wherein the concentration of the oxalic acid solution is 15g/L, directly stacking the second impregnated fabric at the temperature of 25 ℃ for 2h, and carrying out water washing treatment and drying treatment on the second impregnated fabric.
Example 2
The embodiment provides a fabric fluorescence removing method.
A fabric fluorescence removing method comprises the following steps:
carrying out primary dipping treatment on the fluorescent 20S white cloth for 1h by adopting a potassium permanganate solution to obtain a first dipped fabric, stacking the first dipped fabric at the temperature of 25 ℃ for 2h, carrying out water washing treatment on the first dipped fabric, then carrying out rolling treatment by adopting the pressure of 0.3MPa and the linear speed of 50m/min, and drying to obtain a dried fabric; in the embodiment, the concentration of the potassium permanganate solution is 20g/L, the temperature of the potassium permanganate solution is 25 ℃, 98% sulfuric acid is added into each liter of the potassium permanganate solution, and the pH value of the potassium permanganate solution is adjusted to 4.0.
And carrying out second impregnation treatment on the dried fabric by adopting an oxalic acid solution to obtain a second impregnated fabric, wherein the concentration of the oxalic acid solution is 20g/L, directly stacking the second impregnated fabric at the temperature of 25 ℃ for 2h, and carrying out washing treatment and drying treatment on the second impregnated fabric.
Example 3
The embodiment provides a fabric fluorescence removing method.
A fabric fluorescence removing method comprises the following steps:
carrying out primary dipping treatment on fluorescent 40S white cloth for 1h by adopting a potassium permanganate solution to obtain a first dipped fabric, stacking the first dipped fabric at the temperature of 25 ℃ for 2.5h, washing the first dipped fabric, then carrying out rolling treatment by adopting the pressure of 0.3MPa and the linear speed of 50m/min, and drying to obtain a dried fabric; in the embodiment, the concentration of the potassium permanganate solution is 10g/L, the temperature of the potassium permanganate solution is 25 ℃, 98% sulfuric acid is added into each liter of the potassium permanganate solution, and the pH value of the potassium permanganate solution is adjusted to 4.0.
And carrying out second impregnation treatment on the dried fabric by adopting an oxalic acid solution to obtain a second impregnated fabric, wherein the concentration of the oxalic acid solution is 10g/L, directly stacking the second impregnated fabric at the temperature of 25 ℃ for 2.5h, and carrying out washing treatment and drying treatment on the second impregnated fabric.
Example 4
The embodiment provides a fabric fluorescence removing method.
A fabric fluorescence removing method comprises the following steps:
carrying out primary dipping treatment on fluorescent 30S white cloth for 1h by adopting a potassium permanganate solution to obtain a first dipped fabric, stacking the first dipped fabric at the temperature of 25 ℃ for 2h, carrying out water washing treatment on the first dipped fabric, then carrying out rolling treatment by adopting the pressure of 0.3MPa and the linear speed of 50m/min, and drying to obtain a dried fabric; in the embodiment, the concentration of the potassium permanganate solution is 18g/L, the temperature of the potassium permanganate solution is 25 ℃, 98% sulfuric acid is added into each liter of the potassium permanganate solution, and the pH value of the potassium permanganate solution is adjusted to 4.0.
And carrying out second impregnation treatment on the dried fabric by adopting an oxalic acid solution to obtain a second impregnated fabric, wherein the concentration of the oxalic acid solution is 18g/L, directly stacking the second impregnated fabric at the temperature of 25 ℃ for 2h, and carrying out water washing treatment and drying treatment on the second impregnated fabric.
Example 5
The embodiment provides a fabric fluorescence removing method.
A fabric fluorescence removing method comprises the following steps:
carrying out primary dipping treatment on the fluorescent 80S/2 white cloth for 1h by adopting a potassium permanganate solution to obtain a first dipped fabric, stacking the first dipped fabric at the temperature of 25 ℃ for 3h, carrying out water washing treatment on the first dipped fabric, then carrying out rolling treatment by adopting the pressure of 0.3MPa and the linear speed of 50m/min, and drying to obtain a dried fabric; in the embodiment, the concentration of the potassium permanganate solution is 20g/L, the temperature of the potassium permanganate solution is 25 ℃, 98% sulfuric acid is added into each liter of the potassium permanganate solution, and the pH value of the potassium permanganate solution is adjusted to 4.0.
And carrying out second impregnation treatment on the dried fabric by adopting an oxalic acid solution to obtain a second impregnated fabric, wherein the concentration of the oxalic acid solution is 20g/L, directly stacking the second impregnated fabric at the temperature of 25 ℃ for 3h, and carrying out washing treatment and drying treatment on the second impregnated fabric.
Example 6
The embodiment provides a fabric fluorescence removing method.
A fabric fluorescence removing method comprises the following steps:
carrying out primary dipping treatment on the fluorescent 80S/2 white cloth for 1h by adopting a potassium permanganate solution to obtain a first dipped fabric, stacking the first dipped fabric at the temperature of 25 ℃ for 3h, carrying out water washing treatment on the first dipped fabric, then carrying out rolling treatment by adopting the pressure of 0.3MPa and the linear velocity of 120m/min, and drying to obtain a dried fabric; in the embodiment, the concentration of the potassium permanganate solution is 10g/L, the temperature of the potassium permanganate solution is 25 ℃, 98% sulfuric acid is added into each liter of the potassium permanganate solution, and the pH value of the potassium permanganate solution is adjusted to 2.0.
And carrying out second impregnation treatment on the dried fabric by adopting an oxalic acid solution to obtain a second impregnated fabric, wherein the concentration of the oxalic acid solution is 10g/L, directly stacking the second impregnated fabric at the temperature of 25 ℃ for 3h, and carrying out washing treatment and drying treatment on the second impregnated fabric.
Example 7
The embodiment provides a fabric fluorescence removing method.
A fabric fluorescence removing method comprises the following steps:
carrying out primary dipping treatment on the fluorescent 80S/2 white cloth for 1h by adopting a potassium permanganate solution to obtain a first dipped fabric, stacking the first dipped fabric at the temperature of 25 ℃ for 3h, carrying out water washing treatment on the first dipped fabric, then carrying out rolling treatment by adopting the pressure of 0.3MPa and the linear velocity of 120m/min, and drying to obtain a dried fabric; in the embodiment, the concentration of the potassium permanganate solution is 30g/L, the temperature of the potassium permanganate solution is 25 ℃, 98% sulfuric acid is added into each liter of the potassium permanganate solution, and the pH value of the potassium permanganate solution is adjusted to 6.0.
And carrying out second impregnation treatment on the dried fabric by adopting an oxalic acid solution to obtain a second impregnated fabric, wherein the concentration of the oxalic acid solution is 30g/L, directly stacking the second impregnated fabric at the temperature of 25 ℃ for 3h, and carrying out washing treatment and drying treatment on the second impregnated fabric.
Example 8
The embodiment provides a fabric fluorescence removing method.
A fabric fluorescence removing method comprises the following steps:
carrying out primary dipping treatment on fluorescent 80S/2 white cloth for 1h by adopting a potassium permanganate solution to obtain a first dipped fabric, stacking the first dipped fabric at the temperature of 25 ℃ for 3h, washing the first dipped fabric, then carrying out rolling treatment by adopting the pressure of 0.3MPa and the linear speed of 50m/min, and drying to obtain a dried fabric; in the embodiment, the concentration of the potassium permanganate solution is 3g/L, the temperature of the potassium permanganate solution is 25 ℃, 98% sulfuric acid is added into each liter of the potassium permanganate solution, and the pH value of the potassium permanganate solution is adjusted to 6.0.
And carrying out second impregnation treatment on the dried fabric by adopting an oxalic acid solution to obtain a second impregnated fabric, wherein the concentration of the oxalic acid solution is 3g/L, directly stacking the second impregnated fabric at the temperature of 25 ℃ for 3h, and carrying out washing treatment and drying treatment on the second impregnated fabric.
Example 9
The embodiment provides a fabric fluorescence removing method.
A fabric fluorescence removing method comprises the following steps:
carrying out primary dipping treatment on the fluorescent 40S white cloth for 1h by adopting a potassium permanganate solution to obtain a first dipped fabric, stacking the first dipped fabric at the temperature of 25 ℃ for 3h, carrying out water washing treatment on the first dipped fabric, then carrying out rolling treatment by adopting the pressure of 0.4MPa and the linear speed of 50m/min, and drying to obtain a dried fabric; in the embodiment, the concentration of the potassium permanganate solution is 3g/L, the temperature of the potassium permanganate solution is 25 ℃, 98% sulfuric acid is added into each liter of the potassium permanganate solution, and the pH value of the potassium permanganate solution is adjusted to 6.0.
And carrying out second impregnation treatment on the dried fabric by adopting an oxalic acid solution to obtain a second impregnated fabric, wherein the concentration of the oxalic acid solution is 3g/L, directly stacking the second impregnated fabric at the temperature of 25 ℃ for 3h, and carrying out water washing treatment and drying treatment on the second impregnated fabric.
Example 10
The embodiment provides a fabric fluorescence removing method.
A fabric fluorescence removing method comprises the following steps:
carrying out primary dipping treatment on the fluorescent 40S white cloth for 1h by adopting a potassium permanganate solution to obtain a first dipped fabric, stacking the first dipped fabric at the temperature of 25 ℃ for 2h, washing the first dipped fabric, carrying out rolling treatment by adopting the pressure of 0.4MPa and the linear velocity of 120m/min, and drying to obtain a dried fabric; in the embodiment, the concentration of the potassium permanganate solution is 3g/L, the temperature of the potassium permanganate solution is 25 ℃, 98% sulfuric acid is added into each liter of the potassium permanganate solution, and the pH value of the potassium permanganate solution is adjusted to 6.0.
And carrying out second impregnation treatment on the dried fabric by adopting an oxalic acid solution to obtain a second impregnated fabric, wherein the concentration of the oxalic acid solution is 3g/L, directly stacking the second impregnated fabric at the temperature of 25 ℃ for 3h, and carrying out washing treatment and drying treatment on the second impregnated fabric.
Comparative example 1
The present comparative example provides a method for fabric fluorescence removal.
A fabric fluorescence removing method comprises the following steps:
carrying out primary dipping treatment on a fluorescent 50S white cloth for 1h by using a hydrogen peroxide solution to obtain a first dipped fabric, stacking the first dipped fabric at the temperature of 25 ℃ for 2h, washing the first dipped fabric, carrying out rolling treatment by using the pressure of 0.3MPa and the linear speed of 50m/min, and drying to obtain a dried fabric; in the embodiment, the concentration of the hydrogen peroxide solution is 15g/L, the temperature of the hydrogen peroxide solution is 25 ℃, 98% sulfuric acid is added into each liter of the hydrogen peroxide solution, and the pH value of the hydrogen peroxide solution is adjusted to 4.0.
And carrying out second impregnation treatment on the dried fabric by adopting an oxalic acid solution to obtain a second impregnated fabric, wherein the concentration of the oxalic acid solution is 15g/L, directly stacking the second impregnated fabric at the temperature of 25 ℃ for 2h, and carrying out water washing treatment and drying treatment on the second impregnated fabric.
Comparative example 2
This comparative example provides a method for fabric fluorescence removal.
A fabric fluorescence removing method comprises the following steps:
carrying out primary dipping treatment on a 20S white cloth stained with fluorescence by using caustic soda solution for 1h to obtain a first dipped fabric, stacking the first dipped fabric at the temperature of 25 ℃ for 2h, washing the first dipped fabric, then carrying out rolling treatment by using the pressure of 0.3MPa and the linear speed of 50m/min, and drying to obtain a dried fabric; in the embodiment, the concentration of the caustic soda solution is 30g/L, the temperature of the caustic soda solution is 25 ℃, 98 percent sulfuric acid is added into each liter of the caustic soda solution, and the pH value of the caustic soda solution is adjusted to 4.0.
And carrying out second impregnation treatment on the dried fabric by adopting an oxalic acid solution to obtain a second impregnated fabric, wherein the concentration of the oxalic acid solution is 20g/L, directly stacking the second impregnated fabric at the temperature of 25 ℃ for 2h, and carrying out washing treatment and drying treatment on the second impregnated fabric.
Comparative example 3
This comparative example provides a method for fabric fluorescence removal.
A fabric fluorescence removing method comprises the following steps:
carrying out primary dipping treatment on the fluorescent 40S white cloth for 1h by using a caustic soda solution to obtain a first dipped fabric, stacking the first dipped fabric at the temperature of 25 ℃ for 2h, washing the first dipped fabric, carrying out rolling treatment by using the pressure of 0.3MPa and the linear speed of 50m/min, and drying to obtain a dried fabric; in the embodiment, the concentration of the caustic soda solution is 18g/L, the temperature of the caustic soda solution is 25 ℃, 98 percent sulfuric acid is added into each liter of the caustic soda solution, and the pH value of the caustic soda solution is adjusted to 4.0.
And carrying out second impregnation treatment on the dried fabric by adopting an oxalic acid solution to obtain a second impregnated fabric, wherein the concentration of the oxalic acid solution is 15g/L, directly stacking the second impregnated fabric at the temperature of 25 ℃ for 2h, and carrying out washing treatment and drying treatment on the second impregnated fabric.
Comparative example 4
The present comparative example provides a method for fabric fluorescence removal.
A fabric fluorescence removing method comprises the following steps:
carrying out primary dipping treatment on a fluorescent 40S white cloth for 1h by using a soaping agent solution to obtain a first dipped fabric, stacking the first dipped fabric at the temperature of 25 ℃ for 2h, carrying out water washing treatment on the first dipped fabric, then carrying out rolling treatment by using the pressure of 0.3MPa and the linear speed of 50m/min, and drying to obtain a dried fabric; in this example, the concentration of the soaping agent solution was 18g/L, the temperature of the soaping agent solution was 25 ℃, 98% sulfuric acid was added to each liter of soaping agent solution, and the pH of the soaping agent solution was adjusted to 4.0.
And carrying out second impregnation treatment on the dried fabric by adopting an oxalic acid solution to obtain a second impregnated fabric, wherein the concentration of the oxalic acid solution is 15g/L, directly stacking the second impregnated fabric at the temperature of 25 ℃ for 2h, and carrying out washing treatment and drying treatment on the second impregnated fabric.
Comparative example 5
The present comparative example provides a method for fabric fluorescence removal.
A fabric fluorescence removing method comprises the following steps:
carrying out primary dipping treatment on the fluorescent 80S/2 white cloth for 1h by using a hydrogen peroxide solution to obtain a first dipped fabric, stacking the first dipped fabric at the temperature of 25 ℃ for 2h, washing the first dipped fabric, carrying out rolling treatment by using the pressure of 0.3MPa and the linear speed of 50m/min, and drying to obtain a dried fabric; in the embodiment, the concentration of the hydrogen peroxide solution is 20g/L, the temperature of the hydrogen peroxide solution is 25 ℃, 98 percent sulfuric acid is added into each liter of hydrogen peroxide solution, and the pH value of the hydrogen peroxide solution is adjusted to 4.0.
And carrying out second impregnation treatment on the dried fabric by adopting an oxalic acid solution to obtain a second impregnated fabric, wherein the concentration of the oxalic acid solution is 10g/L, directly stacking the second impregnated fabric at the temperature of 25 ℃ for 2h, and carrying out washing treatment and drying treatment on the second impregnated fabric.
The examples 1 to 10 and comparative examples 1 to 5 were subjected to the content test before and after the removal of fluorescence and the fabric strength loss test, and the test results are shown in table 1.
TABLE 1
As can be seen from Table 1, the fluorescence removal effect in examples 1-10 is good, the strength loss of the fabric is within an acceptable range, and the fabric after the fluorescence removal can meet the requirements of general users; after the fluorescence of the cloth guide stained with the fluorescent reagent is removed by the method, the method can be used for guiding and processing non-fluorescent cloth, and provides favorable technical guarantee for improving the utilization rate of the cloth guide in a workshop and reducing the cloth guide inventory.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A fabric fluorescence removing method is characterized by comprising the following steps:
performing first dipping treatment on the fabric to be treated stained with fluorescence by using a potassium permanganate solution to obtain a first dipped fabric, stacking the first dipped fabric at the temperature of 5-35 ℃ for 10-200min, and performing water washing treatment and drying treatment on the stacked first dipped fabric to obtain a dried fabric; the concentration of the potassium permanganate solution is 1 g/L-30 g/L;
and carrying out second dipping treatment on the dried fabric by adopting an oxalic acid solution to obtain a second dipped fabric, wherein the concentration of the oxalic acid solution is 1 g/L-30 g/L, stacking the second dipped fabric at 5-35 ℃ for 10 min-200min, and carrying out water washing treatment and drying treatment on the second dipped fabric.
2. The fabric fluorescence removing method according to claim 1, wherein the concentration of the potassium permanganate solution is 3-30 g/L.
3. The fabric fluorescence removing method according to claim 2, wherein the concentration of the potassium permanganate solution is 10 g/L-20 g/L.
4. The method for removing fluorescence from the fabric according to any one of claims 1 to 3, wherein the temperature of the potassium permanganate solution is 1 ℃ to 40 ℃, the pH value of the potassium permanganate solution is 2.0 to 6.0, and the time of the first dipping treatment is 0.2s to 5h.
5. The method for removing fluorescence from fabric according to claim 4, wherein the time for the first dipping treatment is 5min to 2h.
6. The method for removing fluorescence from fabric according to any of claims 1 to 3 and 5, further comprising the steps of: and rolling the first impregnated fabric after the first impregnated fabric is washed and before the first impregnated fabric is dried.
7. The method for removing fluorescence from fabric according to claim 6, wherein the pressure of a compression roller is 0.2MPa to 0.4MPa during the rolling treatment, and the linear speed of the compression roller is 5m/min to 120m/min.
8. The method for removing fluorescence from fabric according to any one of claims 1 to 3 and 7, wherein the concentration of the oxalic acid solution is 3g/L to 30g/L.
9. The fabric fluorescence removing method according to claim 8, wherein the concentration of the oxalic acid solution is 10g/L to 20g/L.
10. A method for processing a fabric, which comprises the method for removing fluorescence from a fabric according to any one of claims 1 to 9.
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| CN101187150A (en) * | 2007-12-07 | 2008-05-28 | 东华大学 | Method for suppressing and eliminating fluorescence of textile product by fluorescence quenching agent |
| CN101235601A (en) * | 2008-01-25 | 2008-08-06 | 愉悦家纺有限公司 | Method for processing inverse batik jean |
| CN101446050A (en) * | 2008-12-17 | 2009-06-03 | 盛虹集团有限公司 | Fluorescence stripping method of terylene fabric |
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| CN108330689B (en) * | 2016-03-06 | 2021-12-03 | 上海两极电子商务有限公司 | Textile fluorescence remover |
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