CN114108326A - Method for improving yellowing of white knitted fabric, white knitted fabric and weaving method - Google Patents
Method for improving yellowing of white knitted fabric, white knitted fabric and weaving method Download PDFInfo
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- CN114108326A CN114108326A CN202111470537.0A CN202111470537A CN114108326A CN 114108326 A CN114108326 A CN 114108326A CN 202111470537 A CN202111470537 A CN 202111470537A CN 114108326 A CN114108326 A CN 114108326A
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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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
-
- 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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
- D06M15/41—Phenol-aldehyde or phenol-ketone resins
-
- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
-
- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
-
- 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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/25—Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments
Abstract
The invention discloses a white knitted fabric yellowing-improving method, a white knitted fabric and a weaving method, wherein the white knitted fabric yellowing-improving method comprises the following steps: padding the white knitted fabric, wherein the padding comprises: immersing the white knitted fabric into an anti-yellowing agent finishing liquid, and then padding and sizing, wherein the anti-yellowing agent finishing liquid comprises the following components: softening or finishing agent: 30-100 g/L of low-temperature degreasing agent: 1-5 g/L, fiber protective agent: 10-20 g/L, phenolic aldehyde anti-yellowing agent: 10-20 g/L, cracking agent: 1-5 g/L. The method for improving yellowing of the white knitted fabric can effectively improve the yellowing problem of the white knitted fabric such as pure cotton fabric and polyester-cotton fabric, the treated white knitted fabric is not easy to yellow, normal use is not affected, and the experience of consumers is good.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a method for improving yellowing of white knitted fabric.
Background
In the production process of white knitted fabrics such as white pure cotton fabrics and white polyester cotton fabrics, after-finishing agents are widely used in the dyeing and finishing processing of the softening agent, and the fabrics can be endowed with soft, smooth and plump handfeel. However, the fabric after soft finishing is obviously yellowed, and the whiteness and the clothes of the fabric are influenced.
Disclosure of Invention
In view of the above, it is necessary to provide a method for improving yellowing of a white knitted fabric, which is directed to solve the problem that the conventional white knitted fabric is easy to yellow in a finishing process.
A method for improving yellowing of white knitted fabric comprises the following steps:
padding the white knitted fabric, wherein the padding comprises: immersing the white knitted fabric into an anti-yellowing agent finishing liquid, and then padding and sizing, wherein the anti-yellowing agent finishing liquid comprises the following components: softening or finishing agent: 30-100 g/L of low-temperature degreasing agent: 1-5 g/L, fiber protective agent: 10-20 g/L, phenolic aldehyde anti-yellowing agent: 10-20 g/L, cracking agent: 1-5 g/L.
In some of these embodiments, the anti-yellowing agent finish comprises the following components: softening or finishing agent: 50-100 g/L of low-temperature degreasing agent: 1-3 g/L, fiber protective agent: 15-20 g/L, phenolic aldehyde anti-yellowing agent: 15-20 g/L, cracking agent: 1-3 g/L.
In some of these embodiments, the anti-yellowing agent finish comprises the following components: softener ULTRATEX STS or finish DEVANAX D-6100: 30-100 g/L, low-temperature oil removing agent DM-1133: 1-5 g/L, fiber protective agent ADALIN NI: 10-20 g/L, a phenolic aldehyde anti-yellowing agent VNF: 10-20 g/L, cracking agent INVATEX AC: 1-5 g/L.
In some of these embodiments, the anti-yellowing agent finish has a pH of 3.5 to 4.5.
In some of these embodiments, the padding process comprises: and (3) putting the anti-yellowing agent finishing liquid into a shaping trough of a shaping machine, and enabling the white knitted fabric to pass through the shaping trough and a roller of the shaping machine at the speed of 12-35 m/min.
In some of these embodiments, the pressure of the rollers is 20-28N/cm2。
In some of these embodiments, the dryer temperature of the setter is 105 ℃ to 155 ℃.
In some embodiments, the liquid holding rate of the white knitted fabric after padding by the padding treatment is 60% -70%.
Another object of the present invention is to provide a white knitted fabric.
The white knitted fabric prepared by the method for improving yellowing of the white knitted fabric.
The invention also aims to provide a white knitted fabric weaving method.
A white knitted fabric weaving method comprises the following steps:
weaving the warp yarns and the weft yarns to form a fabric, boiling and bleaching, scutching, drying and setting the fabric in sequence, and carrying out anti-yellowing treatment on the fabric by adopting the white knitted fabric yellowing-improving method during setting.
The method for improving yellowing of the white knitted fabric can effectively improve the yellowing problem of the white knitted fabric such as pure cotton fabric and polyester-cotton fabric, the treated white knitted fabric is not easy to yellow, normal use is not affected, and the experience of consumers is good.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to make the aforementioned objects, features and advantages of the invention more comprehensible. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
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.
The embodiment of the application provides a method for improving yellowing of a white knitted fabric, which aims to solve the problem that the existing white knitted fabric is easy to yellow in a post-finishing process.
According to the method for improving yellowing of the white knitted fabric, the method for improving yellowing of the white knitted fabric can be used for processing and manufacturing the white knitted fabric, and yellowing of the white knitted fabric is slowed down.
A method for improving yellowing of white knitted fabric comprises the following steps:
padding the white knitted fabric, wherein the padding comprises: immersing the white knitted fabric into an anti-yellowing agent finishing liquid, and then padding and sizing, wherein the anti-yellowing agent finishing liquid comprises the following components: softening agent: 30-100 g/L of low-temperature degreasing agent: 1-5 g/L, fiber protective agent: 10-20 g/L, phenolic aldehyde anti-yellowing agent: 10-20 g/L, cracking agent: 1-5 g/L. For example, in one embodiment, the concentration of softener is 30g/L, 40g/L, 45g/L, 50g/L, 56g/L, 60g/L, 70g/L, 80g/L, 90g/L, 95g/L, 100g/L, and the like. For example, in one embodiment, the concentration of the low temperature oil removal agent is 1g/L, 1.5g/L, 2g/L, 2.3g/L, 3g/L, 4g/L, 4.8g/L, 5g/L, and the like. For example, in one embodiment, the concentration of the fiber protectant is 10g/L, 11g/L, 12g/L, 13g/L, 14g/L, 15g/L, 16g/L, 17g/L, 18g/L, 19g/L, 20g/L, or other non-integer value. For example, in one embodiment, the concentration of the phenolic anti-yellowing agent is 10g/L, 11g/L, 12g/L, 13g/L, 14g/L, 15g/L, 16g/L, 17g/L, 18g/L, 19g/L, 20g/L, or other non-integer value. For example, in one embodiment, the concentration of the lysing agent is 1g/L, 1.5g/L, 2g/L, 2.3g/L, 3g/L, 4g/L, 4.8g/L, 5g/L, and the like.
Or, the anti-yellowing agent finishing liquid comprises the following components: finishing agent: 30-100 g/L of low-temperature degreasing agent: 1-5 g/L, fiber protective agent: 10-20 g/L, phenolic aldehyde anti-yellowing agent: 10-20 g/L, cracking agent: 1-5 g/L. For example, in one particular embodiment, the concentration of finish is 30g/L, 40g/L, 45g/L, 50g/L, 56g/L, 60g/L, 70g/L, 80g/L, 88g/L, 90g/L, 95g/L, 100g/L, and the like. For example, in one embodiment, the concentration of the low temperature oil removal agent is 1g/L, 1.5g/L, 2g/L, 2.3g/L, 3g/L, 4g/L, 4.8g/L, 5g/L, and the like. For example, in one embodiment, the concentration of the fiber protectant is 10g/L, 11g/L, 12g/L, 13g/L, 14g/L, 15g/L, 16g/L, 17g/L, 18g/L, 19g/L, 20g/L, or other non-integer value. For example, in one embodiment, the concentration of the phenolic anti-yellowing agent is 10g/L, 11g/L, 12g/L, 13g/L, 14g/L, 15g/L, 16g/L, 17g/L, 18g/L, 19g/L, 20g/L, or other non-integer value. For example, in one embodiment, the concentration of lysing agent is 1g/L, 1.7g/L, 2g/L, 2.5g/L, 3g/L, 4g/L, 4.8g/L, 5g/L, and the like.
In some of these embodiments, the anti-yellowing agent finish comprises the following components: finishing agent: 50-100 g/L of low-temperature degreasing agent: 1-3 g/L, fiber protective agent: 15-20 g/L, phenolic aldehyde anti-yellowing agent: 15-20 g/L, cracking agent: 1-3 g/L. Or, the anti-yellowing agent finishing liquid comprises the following components: finishing agent: 50-100 g/L of low-temperature degreasing agent: 1-3 g/L, fiber protective agent: 15-20 g/L, phenolic aldehyde anti-yellowing agent: 15-20 g/L, cracking agent: 1-3 g/L.
In some of these embodiments, the anti-yellowing agent finish comprises the following components: softener ULTRATEX STS: 30-100 g/L, low-temperature oil removing agent DM-1133: 1-5 g/L, fiber protective agent ADALIN NI: 10-20 g/L, a phenolic aldehyde anti-yellowing agent VNF: 10-20 g/L, cracking agent INVATEX AC: 1-5 g/L.
In some of these embodiments, the anti-yellowing agent finish comprises the following components: finish DEVANAX D-6100: 30-100 g/L, low-temperature oil removing agent DM-1133: 1-5 g/L, fiber protective agent ADALIN NI: 10-20 g/L, a phenolic aldehyde anti-yellowing agent VNF: 10-20 g/L, cracking agent INVATEX AC: 1-5 g/L.
In some of these embodiments, the anti-yellowing agent finish has a pH of 3.5 to 4.5. For example, in one embodiment, the anti-yellowing agent finish has a pH of 3.5, 3.6, 3.7, 3.8, 3.9, 4.0, 4.1, 4.2, 4.3, 4.4, 4.5.
In some of these embodiments, the padding process comprises: and (3) putting the anti-yellowing agent finishing liquid into a shaping trough of a shaping machine, and enabling the white knitted fabric to pass through the shaping trough and a roller of the shaping machine at the speed of 12-35 m/min. For example, in one embodiment, the speed of the white knit fabric through the setting machine is 12m/min, 13m/min, 14m/min, 15m/min, 20m/min, 22m/min, 25m/min, 26m/min, 28m/min, 30m/min, 31m/min, 32m/min, 34m/min, 35m/min, and the like. It will be understood that the speed of the white knitted fabric through the setting machine can be fine-tuned as desired for a particular production run.
In some of these embodiments, the pressure of the rollers is 20-28N/cm2. For example, in one embodiment, the pressure of the nip roll is 20N/cm2、21N/cm2、22N/cm2、23N/cm2、24N/cm2、25N/cm2、26N/cm2、27N/cm2、28N/cm2And the like. It will be appreciated that the pressure values of the rolls may be fine-tuned as required for a particular production run.
In some of these embodiments, the dryer temperature of the setter is 105 ℃ to 155 ℃. For example, in one embodiment, the dryer temperature of the setter can be 105 ℃, 110 ℃, 115 ℃, 118 ℃, 120 ℃, 125 ℃, 128 ℃, 130 ℃, 132 ℃, 140 ℃, 141 ℃, 145 ℃, 150 ℃, 152 ℃, 155 ℃ or other integer value.
In some embodiments, the liquid holding rate of the white knitted fabric after padding by the padding treatment is 60% -70%. For example, in one specific embodiment, the liquid holding rate of the white knitted fabric after padding by the padding treatment is 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 70%.
The method for improving yellowing of the white knitted fabric can effectively improve the yellowing problem of the white knitted fabric such as pure cotton fabric and polyester-cotton fabric, so that the white knitted fabric can not be yellowed and cannot influence clothes.
Another object of the present invention is to provide a white knitted fabric.
The white knitted fabric prepared by the method for improving yellowing of the white knitted fabric.
The white knitted fabric prepared by the method for improving yellowing of the white knitted fabric can effectively improve the yellowing problem of the white knitted fabric such as pure cotton fabric and polyester-cotton fabric, the treated white knitted fabric is not easy to yellow, normal use is not affected, and the consumer experience is good.
The invention also aims to provide a white knitted fabric weaving method.
A white knitted fabric weaving method comprises the following steps:
weaving the warp yarns and the weft yarns to form a fabric, boiling and bleaching, scutching, drying and setting the fabric in sequence, and carrying out anti-yellowing treatment on the fabric by adopting the white knitted fabric yellowing-improving method during setting.
The white knitted fabric obtained by weaving through the white knitted fabric weaving method can effectively solve the yellowing problem of the white knitted fabric such as pure cotton fabric and polyester-cotton fabric, is not easy to yellow, does not influence normal use, and has good experience of consumers.
Example 1
This example provides a method of knitting a white knitted fabric.
A white knitted fabric weaving method comprises the following steps:
(1) weaving the warp yarns and the weft yarns into a fabric;
(2) bleaching the fabric to obtain a bleached fabric;
(3) scutching and drying the bleached fabric to obtain a white knitted fabric;
(4) the white knitted fabric is shaped, and anti-yellowing treatment is carried out on the white knitted fabric by adopting the white knitted fabric anti-yellowing method during shaping, wherein in the white knitted fabric anti-yellowing method, anti-yellowing agent finishing liquid comprises a finishing agent DEVANAX D-6100 with concentration of 80g/L, a low-temperature oil removal agent DM-1133 with concentration of 1g/L, a fiber protective agent ADALIN NI with concentration of 15g/L, a phenolic aldehyde anti-yellowing agent VNF with concentration of 20g/L, and a cracking agent INVATEX AC with concentration of 2g/L, and the pH value of the anti-yellowing agent finishing liquid is adjusted to be 3.5. And (3) putting the anti-yellowing agent finishing liquid into a setting trough of a setting machine, and enabling the white knitted fabric to pass through the setting trough and a roller of the setting machine at a speed of 20 m/min. The setting temperature was 130 ℃.
(5) And inspecting the cloth surface to obtain a white knitted fabric finished product.
Example 2
This example provides a method of knitting a white knitted fabric.
A white knitted fabric weaving method comprises the following steps:
(1) weaving the warp yarns and the weft yarns into a fabric;
(2) bleaching the fabric to obtain a bleached fabric;
(3) scutching and drying the bleached fabric to obtain a white knitted fabric;
(4) the white knitted fabric is shaped, and anti-yellowing treatment is carried out on the white knitted fabric by adopting the white knitted fabric anti-yellowing method during shaping, wherein in the white knitted fabric anti-yellowing method, anti-yellowing agent finishing liquid comprises 100g/L of finishing agent DEVANAX D-6100, 3g/L of low-temperature oil removal agent DM-1133, 20g/L of fiber protective agent ADALIN NI, 10g/L of phenolic aldehyde anti-yellowing agent VNF and 5g/L of cracking agent INVATEX AC, and the pH value of the anti-yellowing agent finishing liquid is adjusted to be 3.5. And (3) putting the anti-yellowing agent finishing liquid into a setting trough of a setting machine, and enabling the white knitted fabric to pass through the setting trough and a roller of the setting machine at a speed of 20 m/min. The setting temperature was 130 ℃.
(5) And inspecting the cloth surface to obtain a white knitted fabric finished product.
Example 3
This example provides a method of knitting a white knitted fabric.
A white knitted fabric weaving method comprises the following steps:
(1) weaving the warp yarns and the weft yarns into a fabric;
(2) bleaching the fabric to obtain a bleached fabric;
(3) scutching and drying the bleached fabric to obtain a white knitted fabric;
(4) the white knitted fabric is shaped, and anti-yellowing treatment is carried out on the white knitted fabric by adopting the white knitted fabric anti-yellowing method during shaping, wherein in the white knitted fabric anti-yellowing method, anti-yellowing agent finishing liquid comprises a finishing agent DEVANAX D-6100 with concentration of 30g/L, a low-temperature oil removal agent DM-1133 with concentration of 5g/L, a fiber protective agent ADALIN NI with concentration of 10g/L, a phenolic aldehyde anti-yellowing agent VNF with concentration of 20g/L, and a cracking agent INVATEX AC with concentration of 5g/L, and the pH value of the anti-yellowing agent finishing liquid is adjusted to be 3.5. And (3) putting the anti-yellowing agent finishing liquid into a setting trough of a setting machine, and enabling the white knitted fabric to pass through the setting trough and a roller of the setting machine at a speed of 20 m/min. The setting temperature was 130 ℃.
(5) And inspecting the cloth surface to obtain a white knitted fabric finished product.
Example 4
This example provides a method of knitting a white knitted fabric.
A white knitted fabric weaving method comprises the following steps:
(1) weaving the warp yarns and the weft yarns into a fabric;
(2) bleaching the fabric to obtain a bleached fabric;
(3) scutching and drying the bleached fabric to obtain a white knitted fabric;
(4) the white knitted fabric is shaped, and anti-yellowing treatment is carried out on the white knitted fabric by adopting the white knitted fabric anti-yellowing method during shaping, wherein in the white knitted fabric anti-yellowing method, anti-yellowing agent finishing liquid comprises a finishing agent DEVANAX D-6100 with the concentration of 80g/L, a low-temperature oil removal agent DM-1133 with the concentration of 1g/L, a fiber protective agent ADALIN NI with the concentration of 15g/L, a phenolic aldehyde anti-yellowing agent VNF with the concentration of 20g/L, and a cracking agent INVATEX AC with the concentration of 2g/L, and the pH value of the anti-yellowing agent finishing liquid is adjusted to be 4.0. And (3) putting the anti-yellowing agent finishing liquid into a setting trough of a setting machine, and enabling the white knitted fabric to pass through the setting trough and a roller of the setting machine at the speed of 35 m/min. The setting temperature was 130 ℃.
(5) And inspecting the cloth surface to obtain a white knitted fabric finished product.
Example 5
This example provides a method of knitting a white knitted fabric.
A white knitted fabric weaving method comprises the following steps:
(1) weaving the warp yarns and the weft yarns into a fabric;
(2) bleaching the fabric to obtain a bleached fabric;
(3) scutching and drying the bleached fabric to obtain a white knitted fabric;
(4) the white knitted fabric is shaped, and anti-yellowing treatment is carried out on the white knitted fabric by adopting the white knitted fabric anti-yellowing method during shaping, wherein in the white knitted fabric anti-yellowing method, anti-yellowing agent finishing liquid comprises a softening agent ULTRATEX STS (ultra high performance test standard) concentration of 80g/L, a low-temperature oil removal agent DM-1133 concentration of 1g/L, a fiber protective agent ADALIN NI concentration of 15g/L, a phenolic aldehyde anti-yellowing agent VNF (VNF) concentration of 20g/L and a cracking agent INVATEX AC concentration of 2g/L, and the pH value of the anti-yellowing agent finishing liquid is adjusted to be 4.0. And (3) putting the anti-yellowing agent finishing liquid into a setting trough of a setting machine, and enabling the white knitted fabric to pass through the setting trough and a roller of the setting machine at the speed of 35 m/min. The setting temperature was 130 ℃.
Example 6
This example provides a method of knitting a white knitted fabric.
A white knitted fabric weaving method comprises the following steps:
(1) manufacturing 50s/1 cotton yarn into knitted double-sided cloth;
(2) bleaching the knitted double-sided cloth to obtain a bleached fabric;
(3) scutching and drying the bleached fabric to obtain a white knitted fabric;
(4) the white knitted fabric is shaped, and the white knitted fabric is subjected to anti-yellowing treatment by the white knitted fabric anti-yellowing method during shaping, wherein in the white knitted fabric anti-yellowing method, an anti-yellowing agent finishing liquid comprises a finishing agent DEVANAX D-6100 with the concentration of 80g/L, a low-temperature oil removal agent DM-1133 with the concentration of 1g/L, a fiber protective agent ADALIN NI with the concentration of 15g/L, a phenolic aldehyde anti-yellowing agent VNF with the concentration of 20g/L, a cracking agent INVATEX AC with the concentration of 2g/L, and the pH value of the anti-yellowing agent finishing liquid is adjusted to be 3.5. And (3) putting the anti-yellowing agent finishing liquid into a setting trough of a setting machine, and enabling the white knitted fabric to pass through the setting trough and a roller of the setting machine at a speed of 20 m/min. The setting temperature was 130 ℃.
(5) And inspecting the cloth surface to obtain a finished product double-sided cloth of the white knitted fabric, and performing a performance test on the finished product of the white knitted fabric prepared in the embodiment, wherein the test result is shown in table 1.
TABLE 1
Example 7
This example provides a method of knitting a white knitted fabric.
A white knitted fabric weaving method comprises the following steps:
(1) manufacturing 36s/1 cotton yarn and 75D/34FX1POLYESTER into knitted 1 x1 rib fabric;
(2) bleaching the rib fabric to obtain a bleached fabric;
(3) scutching and drying the bleached fabric to obtain a white knitted fabric;
(4) the white knitted fabric is shaped, and the white knitted fabric is subjected to anti-yellowing treatment by adopting the white knitted fabric anti-yellowing method during shaping, wherein in the white knitted fabric anti-yellowing method, an anti-yellowing agent finishing liquid comprises a softening agent ULTRATEX STS concentration of 100g/L, a low-temperature oil removal agent DM-1133 concentration of 1g/L, a fiber protective agent ADALIN NI concentration of 15g/L, a phenolic aldehyde anti-yellowing agent VNF concentration of 20g/L, a cracking agent INVATEX AC concentration of 2g/L, and the pH value of the anti-yellowing agent finishing liquid is adjusted to be 3.5. And (3) putting the anti-yellowing agent finishing liquid into a setting trough of a setting machine, and enabling the white knitted fabric to pass through the setting trough and a roller of the setting machine at a speed of 14 m/min. The setting temperature was 140 ℃.
(5) And inspecting the cloth surface to obtain a finished product rib fabric of the white knitted fabric, and performing performance test on the finished product of the white knitted fabric prepared in the embodiment, wherein the test results are shown in table 2.
TABLE 2
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
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 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 method for improving yellowing of white knitted fabric is characterized by comprising the following steps:
padding the white knitted fabric, wherein the padding comprises: immersing the white knitted fabric into an anti-yellowing agent finishing liquid, and then padding and sizing, wherein the anti-yellowing agent finishing liquid comprises the following components: softening or finishing agent: 30-100 g/L of low-temperature degreasing agent: 1-5 g/L, fiber protective agent: 10-20 g/L, phenolic aldehyde anti-yellowing agent: 10-20 g/L, cracking agent: 1-5 g/L.
2. The method for improving yellowing of white knitted fabric according to claim 1, wherein the anti-yellowing agent finishing liquid comprises the following components: softening or finishing agent: 50-100 g/L of low-temperature degreasing agent: 1-3 g/L, fiber protective agent: 15-20 g/L, phenolic aldehyde anti-yellowing agent: 15-20 g/L, cracking agent: 1-3 g/L.
3. The method for improving yellowing of white knitted fabric according to claim 1, wherein the anti-yellowing agent finishing liquid comprises the following components: softener ULTRATEX STS or finish DEVANAX D-6100: 30-100 g/L, low-temperature oil removing agent DM-1133: 1-5 g/L, fiber protective agent ADALIN NI: 10-20 g/L, a phenolic aldehyde anti-yellowing agent VNF: 10-20 g/L, cracking agent INVATEX AC: 1-5 g/L.
4. The method for improving yellowing of a white knitted fabric according to claim 1, wherein the anti-yellowing agent finishing liquid has a pH value of 3.5-4.5.
5. The method for improving yellowing of a white knit fabric according to claim 1, wherein the padding treatment comprises: and (3) putting the anti-yellowing agent finishing liquid into a shaping trough of a shaping machine, and enabling the white knitted fabric to pass through the shaping trough and a roller of the shaping machine at the speed of 12-35 m/min.
6. The method for improving yellowing of a white knitted fabric according to claim 5, wherein the pressure of the nip roller is 20-28N/cm2。
7. The method for improving yellowing of white knitted fabric according to claim 4, wherein the dryer temperature of the setting machine is 105 ℃ to 155 ℃.
8. The method for improving yellowing of white knitted fabric according to any one of claims 1 to 5, wherein the liquid holding rate of the cloth cover of the white knitted fabric after padding by the padding treatment is 60% to 70%.
9. A white knit fabric prepared by the method for improving yellowing of the white knit fabric according to any one of claims 1 to 8.
10. A white knitted fabric weaving method is characterized by comprising the following steps:
weaving the warp yarns and the weft yarns into a fabric, boiling and bleaching, scutching, drying and setting the fabric in sequence, and carrying out anti-yellowing treatment on the fabric by adopting the white knitted fabric yellowing improvement method according to any one of claims 1 to 8 during setting.
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