CN109797545B - High-whiteness textile fabric non-ironing finishing method and textile fabric - Google Patents
High-whiteness textile fabric non-ironing finishing method and textile fabric Download PDFInfo
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- CN109797545B CN109797545B CN201910046086.4A CN201910046086A CN109797545B CN 109797545 B CN109797545 B CN 109797545B CN 201910046086 A CN201910046086 A CN 201910046086A CN 109797545 B CN109797545 B CN 109797545B
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Abstract
The invention relates to a high-whiteness textile fabric non-ironing finishing method and a textile fabric. The non-ironing finishing method of the textile fabric comprises the steps of sequentially carrying out pretreatment, mercerizing, cold batch, moisture crosslinking and post-treatment on a textile fabric raw material; wherein the cold-batch process comprises the following steps: treating the textile fabric subjected to the mercerizing procedure by using a treating fluid, and then stacking and drying the textile fabric; the treating fluid contains derivatives of stilbene disulfonic acid and derivatives of stilbene tetrasulfonic acid; the moisture crosslinking process comprises the following steps: carrying out damp crosslinking treatment on the textile fabric subjected to the cold piling process by using a damp crosslinking finishing liquid, and then piling; the wet crosslinking finishing liquid contains derivatives of stilbene disulfonic acid. The whiteness of the textile fabric prepared by the finishing method can reach a CIE value of over 160 ℃, and the textile fabric is pure in color, transparent, good in non-ironing effect and good in washability.
Description
Technical Field
The invention relates to the technical field of textile fabric finishing, in particular to a high-whiteness textile fabric non-ironing finishing method and a textile fabric.
Background
Along with the improvement of life quality of people, the requirements on clothes are higher and higher, particularly white clothes, the whiteness is high, the fabric is transparent, and the non-ironing high-quality textile fabric can become high-grade fabric, so that better economic benefits are brought.
In the traditional method, the whiteness of the fabric subjected to non-ironing finishing is low, and the fabric looks not pure white and transparent. In part of methods, the fluorescent whitening agent is adopted for finishing, but the whiteness is not obviously improved, and the obtained whiteness CIE value is usually less than 150 degrees.
Disclosure of Invention
Therefore, a need exists for a high-whiteness fabric non-ironing finishing method. The whiteness of the textile fabric prepared by the finishing method can reach a CIE value of over 160 ℃, and the textile fabric is pure in color, transparent, good in non-ironing effect and good in washability.
A non-ironing finishing method for high-whiteness textile fabric comprises the steps of sequentially carrying out pretreatment, mercerizing, cold-batch, moisture crosslinking and post-treatment on a textile fabric raw material; wherein the content of the first and second substances,
the cold-batch process comprises the following steps:
treating the textile fabric subjected to the mercerizing procedure by using a treating fluid, and then stacking and drying the textile fabric; the treating fluid contains derivatives of stilbene disulfonic acid and derivatives of stilbene tetrasulfonic acid;
the moisture crosslinking process comprises the following steps:
carrying out damp crosslinking treatment on the textile fabric subjected to the cold batching process by using a damp crosslinking finishing liquid, and then piling; the wet crosslinking finishing liquid contains derivatives of stilbene disulfonic acid.
In one embodiment, the textile fabric is a pure cotton fabric with a single yarn count of more than 30S. Specifically, the high-grade variety can be 30S, 40S, 50S, 80/2, 100/2 and the like.
In one embodiment, in the cold batch process, the concentration of the derivative of stilbene disulfonic acid in the treatment liquid is 5-15 g/L, and the concentration of the derivative of stilbene tetrasulfonic acid is 0.5-3 g/L.
In one embodiment, in the cold batch process, the viscosity of the derivative of the stilbene disulfonic acid in the treatment liquid is less than 10 mPa.s; and/or the viscosity of the derivative of the stilbene tetrasulfonic acid is 5-15 mPa.s.
In one embodiment, in the cold-batch process, the stacking time is 8-25 hours.
In one embodiment, in the step of moisture crosslinking, the concentration of the derivative of stilbene disulfonic acid in the moisture crosslinking finishing liquid is 15-20 g/L.
In one embodiment, the viscosity of the derivative of stilbene disulfonic acid in the wet crosslinking finishing liquid is 65 to 75 mPa.s.
In one embodiment, in the moisture crosslinking step, the moisture content of the textile fabric after the moisture crosslinking treatment is 6 to 8%, and the stacking time is 22 to 30 hours.
In one embodiment, the mercerizing process comprises the following steps:
firstly, alkali liquor with the alkali concentration of 20-30 baume degrees is adopted for alkali liquor mercerization; and then liquid ammonia is adopted for liquid ammonia mercerization.
In one embodiment, the alkali used in the alkali liquor is sodium hydroxide.
In one embodiment, the treatment time of the alkali liquor mercerization is 50-70 seconds; the processing time of the liquid ammonia mercerization is 15-25 seconds.
In one embodiment, the post-treatment step comprises water washing and sizing.
In one embodiment, the speed of the water washing is 45-55 m/min.
In one embodiment, the sizing method comprises the step of adding softening oil and peracid at the speed of 55-65 m/min.
In one embodiment, the pre-treatment step comprises singeing and desizing.
The invention also provides the textile fabric manufactured by the non-ironing finishing method of the textile fabric.
Compared with the prior art, the invention has the following beneficial effects:
according to the non-ironing finishing method for the high-whiteness textile fabric, before the moisture crosslinking process, the treatment liquid containing the derivatives of the stilbene disulfonic acid and the derivatives of the stilbene tetrasulfonic acid is adopted for cold batch treatment, and the derivatives of the stilbene disulfonic acid are added into the moisture crosslinking finishing liquid adopted in the moisture crosslinking process for moisture crosslinking, so that the whiteness of the textile fabric can be greatly improved, the whiteness CIE value can reach over 160 degrees, the color is pure, the transparency is high, the non-ironing effect of the moisture crosslinking can be ensured, the non-ironing grade can reach 4 grades, the quality of the textile fabric is high, and the non-ironing finishing method is deeply loved by customers.
Furthermore, mercerizing is carried out by alkali liquor with higher concentration, and then liquid ammonia mercerizing is combined, so that the textile fiber can be modified to a certain degree, the treatment effect of subsequent cold batch and moisture crosslinking procedures on the fiber is optimized, and the whitening and non-ironing effects are enhanced.
Detailed Description
The method for finishing a high-whiteness textile in a permanent press mode and the textile according to the present invention are described in further detail with reference to the following specific examples.
Example 1
The non-ironing finishing method for the high-whiteness textile fabric comprises the following steps of:
(1) pretreatment: singeing and desizing the textile fabric to be finished according to a conventional method;
(2) high-alkali thick mercerizing: carrying out mercerization by adopting a sodium hydroxide aqueous solution with the concentration of 24-wave magnesium degree, wherein the treatment time is about 60 s;
(3) liquid ammonia mercerizing: performing by using a Koyto liquid ammonia mercerizing machine, wherein the speed is 60 m/min, and the time for soaking liquid ammonia is about 20s correspondingly;
(4) cold-batch whitening: dipping and binding the textile fabric subjected to the liquid ammonia mercerization by using the treatment liquid, then piling for 15 hours, and drying by using a setting machine; the treatment liquid is an aqueous solution of fluorescent whitening agents BMU (derivatives of stilbene disulfonic acid, the viscosity (25 ℃) of which is less than 10mPa.s, the anionicity is obtained from Hounsfield) and BMU-V (derivatives of stilbene tetrasulfonic acid, the viscosity (25 ℃) of which is 5-15 mPa.s, the anionicity is obtained from Hounsfield), the concentration of BMU is 10g/L and the concentration of BMU-V is 1.5 g/L;
(5) moisture crosslinking: soaking and binding the textile fabric subjected to the cold-stacking procedure by using a moisture crosslinking finishing liquid, drying until the moisture content is 6-8%, performing moisture crosslinking treatment, and stacking for 22 hours; the wet crosslinking finishing liquid is an aqueous solution of a fluorescent brightener BLW (derivative of stilbene disulfonic acid, the viscosity (25 ℃) of the BLW is 65-75 mPa.s, the viscosity is anionic and the conventional wet crosslinking agent is purchased from Hensman), wherein the concentration of the BLW is 18g/L, the conventional wet crosslinking agent is 315g/L of non-ironing resin, 69g/L of resin catalyst, 40g/L of strong protective agent, 40g/L of soft oil and 1g/L of penetrating agent;
(6) and (3) post-treatment: washing the damp cross-linked textile fabric by a washing machine at the speed of 50 m/min, and adding soft oil and peracid to adjust the pH value of the fabric surface by a setting machine at the speed of 60 m/min; and obtaining the textile fabric.
Example 2
The non-ironing finishing method for the high-whiteness textile fabric is the same as that in the embodiment 1 in terms of the steps of the textile fabric to be finished, and is characterized in that:
in the step (4), the stacking time is 22 hours.
Example 3
The non-ironing finishing method for the high-whiteness textile fabric is the same as that in the embodiment 1 in terms of the steps of the textile fabric to be finished, and is characterized in that:
in the step (5), the moisture content of the textile fabric subjected to the moisture crosslinking treatment is controlled to be 6-8%, and the stacking time is 25 hours.
Example 4
The non-ironing finishing method for the high-whiteness textile fabric is the same as that in the embodiment 1 in terms of the steps of the textile fabric to be finished, and is characterized in that:
in the step (4), the concentration of BMU in the treatment liquid is 5g/L and the concentration of BMU-V is 0.5 g/L;
in the step (5), the concentration of BLW in the wet crosslinking finishing liquid is 15 g/L.
Example 5
The non-ironing finishing method for the high-whiteness textile fabric is the same as that in the embodiment 1 in terms of the steps of the textile fabric to be finished, and is characterized in that:
in the step (4), the concentration of BMU in the treatment liquid is 15g/L and the concentration of BMU-V is 3 g/L;
in the step (5), the concentration of BLW in the wet crosslinking finishing liquid is 20 g/L.
Example 6
The non-ironing finishing method for the high-whiteness textile fabric is the same as that in the embodiment 1 in terms of the steps of the textile fabric to be finished, and is characterized in that:
the high-alkali concentrated mercerizing in the step (2) is not carried out.
Comparative example 1
The comparison example is a textile non-ironing finishing method, and the textile to be finished and the steps are the same as the example 1, except that:
the cold batch whitening in step (4) is not performed.
Comparative example 2
The comparison example is a textile non-ironing finishing method, and the textile to be finished and the steps are the same as the example 1, except that:
and (4) in the step (4) of cold batch whitening, only adopting the BMU as the treatment liquid.
Comparative example 3
The comparison example is a textile non-ironing finishing method, and the textile to be finished and the steps are the same as the example 1, except that:
and (5) in the step (5), the BLW is not adopted in the damp crosslinking finishing liquid.
The textiles prepared in examples 1 to 6 and comparative examples 1 to 3 were subjected to a performance test:
the test method comprises the following steps: reference standard AATCC135-2015(FORFABRIC APPARANCE);
the test results are shown in table 1:
TABLE 1
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 more specific and detailed, but not construed as limiting the scope of the 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 non-ironing finishing method for high-whiteness textile fabrics is characterized by comprising the steps of sequentially carrying out pretreatment, mercerizing, cold-stacking, moisture crosslinking and post-treatment on the textile fabrics to be finished; wherein the content of the first and second substances,
the cold-batch process comprises the following steps:
treating the textile fabrics subjected to the mercerizing process by using treatment liquid, and then stacking and drying the textile fabrics; the treating fluid contains derivatives of stilbene disulfonic acid and derivatives of stilbene tetrasulfonic acid; the concentration of the derivative of the stilbene disulfonic acid in the treatment liquid is 5-15 g/L, the viscosity is less than 10mPa.s, the concentration of the derivative of the stilbene tetrasulfonic acid is 0.5-3 g/L, and the viscosity is 5-15 mPa.s;
the moisture crosslinking process comprises the following steps:
carrying out damp crosslinking treatment on the textile fabric subjected to the cold piling process by using a damp crosslinking finishing liquid, and then piling; the damp crosslinking finishing liquid contains derivatives of stilbene disulfonic acid and a conventional damp crosslinking reagent; the concentration of the derivative of the stilbene disulfonic acid in the damp crosslinking finishing liquid is 15-20 g/L, and the viscosity is 65-75 mPa.s.
2. A textile non-ironing finishing method according to claim 1, characterized in that in the cold pad-batch process, the concentration of the derivative of stilbene disulfonic acid in the treating fluid is 10g/L, and the concentration of the derivative of stilbene tetrasulfonic acid is 1.5 g/L.
3. A non-ironing finishing method for textile fabrics according to claim 1, characterized in that in the cold-stacking procedure, the stacking time is 8-25 hours.
4. A textile non-ironing finishing method according to claim 1, characterized in that in the step of moisture crosslinking, the concentration of the derivative of stilbene disulfonic acid in the moisture crosslinking finishing liquid is 18 g/L.
5. The textile fabric non-ironing finishing method according to claim 1, characterized in that in the damp cross-linking finishing liquid, the conventional damp cross-linking agent is 315g/L of non-ironing resin, 69g/L of resin catalyst, 40g/L of strong protective agent, 40g/L of soft oil and 1g/L of penetrating agent.
6. A non-ironing textile fabric finishing method according to claim 1, characterized in that in the moisture crosslinking step, the moisture content of the textile fabric after the moisture crosslinking treatment is 6-8%, and the stacking time is 22-30 hours.
7. A textile non-ironing finishing method according to any of the claims 1-6, characterized in that the mercerization process comprises the following steps:
firstly, alkali liquor with the alkali concentration of 20-30 baume degrees is adopted for alkali liquor mercerization; and then liquid ammonia is adopted for liquid ammonia mercerization.
8. A process for the non-ironing finishing of textiles according to any of the claims 1 to 6 characterised in that the step of post-treatment comprises washing and setting; and/or the pretreatment step comprises singeing and desizing.
9. The non-ironing finishing method for the textile fabric according to claim 8, characterized in that the speed of the water washing is 45-55 m/min; and/or the presence of a catalyst in the reaction mixture,
the sizing method comprises the step of adding softening oil and peracid at the speed of 55-65 m/min.
10. The textile fabric obtained by the textile fabric non-ironing finishing method of any one of claims 1 to 9.
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| JPH02112478A (en) * | 1988-09-13 | 1990-04-25 | Basf Ag | Method for controlled easy finishing process of a textile material |
| CN102943372A (en) * | 2012-10-24 | 2013-02-27 | 嵊州盛泰针织有限公司 | Super white pure cotton knitted fabric processing method |
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