Preparation method of cool sorona dyed fabric with antibacterial, moisture-absorbing and sweat-releasing properties

Abstract

The invention belongs to the technical field of fabric preparation, and particularly relates to a preparation method of a cool sorona dyed fabric with antibacterial, moisture-absorbing and sweat-releasing properties. Clean water is injected into a dye vat of a dyeing machine, the bath ratio is set to be 1: (8-10), a dyeing auxiliary is added, then the Sorona fabric is soaked in the dye vat for pretreatment, and then the dyed Sorona fabric is obtained after sectional type heating and cooling dyeing treatment, active dyeing treatment and soaping treatment are conducted; then the dyed Sorona fabric is subjected to scutching washing treatment and drying, an auxiliary agent is padded to the fabric in a one-dipping and one-rolling mode, and the cool sorona dyed fabric with the antibacterial, moisture-absorbing and sweat-releasing performance is obtained after cooling, so that the sorona fabric is endowed with the performance characteristics of instant cool feeling in contact, antibacterial, moisture-absorbing and sweat-releasing performance.

Description

Technical Field

[0001] The invention belongs to the technical field of fabric preparation, and more particularly relates to a method for preparing a cool-feeling Sorona dyed fabric with antibacterial and moisture absorption and perspiration-releasing properties. Background Art

[0002] Sorona is an advanced polymer platform developed by DuPont in the United States, mainly used in the manufacture of fibers and fabrics. It uses biotechnology and aims to achieve a perfect combination of textile functionality and environmental protection. The main ingredients of Sorona fabrics are 1,3-propylene glycol (PDO) and purified terephthalic acid (PTA) (or dimethyl terephthalate (DMT)), which give the fabrics a soft touch, high elastic recovery rate and long-lasting shape retention. Sorona fabrics can be blended with natural or synthetic fibers to provide comfortable stretch recovery, stain resistance and wrinkle resistance. Sorona fabrics are widely used in knitted denim fabrics and other clothing materials, and are popular for their soft feel, long-lasting shape retention and bright colors. Although Sorona fabrics are 100% polyester fibers, their raw materials are derived from degradable corn-based materials and have environmentally friendly characteristics. This fabric is widely used in some brands and is favored for its flat and wrinkle-resistant properties. Sorona cotton is not an independent fabric, but refers to cotton products made of Sorona fiber. These products combine the advantages of Sorona fabrics, such as softness, comfort and environmental protection. Simply put, they are polyester-cotton interwoven knitted fabrics. However, they are still insufficient in antibacterial and moisture wicking properties, and cannot provide a cool feeling at the moment of contact, which limits their application in summer clothing. Summary of the invention

[0003] The purpose of the present invention is to provide a method for preparing a cool-feeling Sorona dyed fabric with antibacterial and moisture absorption and perspiration-releasing properties, so as to solve the problems existing in the above-mentioned prior art.

[0004] To achieve the above object, the present invention provides the following solutions:

[0005] One of the technical solutions of the present invention is to provide a method for preparing a cool-feeling Sorona dyed fabric with antibacterial and moisture absorption and perspiration wicking properties, the steps comprising:

[0006] Inject clean water into the dyeing vat of the dyeing machine, set the bath ratio to 1:8-10, add dyeing auxiliaries, and then immerse the Solona fabric in the dyeing vat for pretreatment, and then obtain the dyed Solona fabric after stepwise heating and cooling dyeing treatment, active dyeing treatment and soaping treatment;

[0007] The dyed Solona fabric is subjected to open-width water washing treatment and drying, and then the auxiliary agent is impregnated into the fabric by a dipping and padding method, and the fabric is cooled to obtain the cool Solona dyed fabric with antibacterial and moisture absorption and perspiration removal properties.

[0008] Furthermore, the dyeing auxiliary agent includes at least one of a degreasing agent, caustic soda, a scouring enzyme and hydrogen peroxide.

[0009] Furthermore, the dyeing auxiliary agent is added in an amount of 1.5-6% relative to the weight of the fabric, wherein the degreasing agent is 2%, the caustic soda is 1.5%, the scouring enzyme is 1.5%, and the hydrogen peroxide is 6%.

[0010] The degreasing agent, caustic soda, scouring enzyme and hydrogen peroxide in the dyeing auxiliary agent of the present invention are all commercially available products.

[0011] Furthermore, the pretreatment is to immerse the Solona fabric in a dyeing vat, operate the dyeing machine for 10 minutes, adjust the power of the dyeing vat main pump to 80%, and set the circulation time of the Solona fabric in the dyeing machine to 2-2.5 minutes.

[0012] Furthermore, the step of the stepwise heating and cooling dyeing treatment comprises: adding acetic acid for dyeing into the dye vat, mixing evenly, heating to 70°C, adding dye and mixing evenly, heating to 110°C, keeping warm for 20 minutes, heating to 133°C at a heating rate of 1.5°C / min, keeping warm for 40 minutes, cooling to 80°C at a cooling rate of 1-1.5°C / min, and then continuing to cool to below 60°C in a half-water-in and half-liquid-draining manner, washing with water after draining, and obtaining the Sorona fabric treated with the stepwise heating and cooling dyeing treatment.

[0013] The segmented temperature rise and fall dyeing process adopted by the present invention can improve the tightness of the cloth surface and enhance the smoothness of the cloth surface.

[0014] Optionally, the dye includes at least one of disperse ECT black, disperse red S-5BL, and disperse orange S-4RL.

[0015] Optionally, the amount of acetic acid added for dyeing is 1.5 g / L.

[0016] Optionally, the dye is added in an amount of 0.1%-1.5% relative to the weight of the fabric, wherein the disperse black ECT is 1.5%, the disperse red S-5BL is 0.3%, and the disperse orange S-4RL is 0.1%.

[0017] Furthermore, the step of active dyeing treatment includes: heating the water temperature of the dye vat to 58°C, then adding neutral cellulase and dyeing accelerator, adding active dye after the dyeing machine has been running for 20 minutes, continuing to run for 30 minutes, adding the first portion of color fixing agent, running for 5 minutes, adding the second portion of color fixing agent, running for 10 minutes, heating to 65°C at a heating rate of 0.5-1°C / min, running for 10 minutes, adding the third portion of color fixing agent, keeping warm for 60 minutes, draining the dye vat, and adding acetic acid to neutralize it to neutral after cleaning.

[0018] The active dyeing treatment adopted by the present invention has the effect of improving the moisture absorption and smoothness of the cloth.

[0019] Optionally, the dyeing accelerator includes sodium sulfate.

[0020] Optionally, the neutral cellulase is added in an amount of 0.3% of the weight of the Solona fabric.

[0021] Optionally, the amount of the dyeing accelerator added is 100 g / L.

[0022] Optionally, the reactive dye comprises at least one of RW black, HS-D crimson and HS-D navy blue.

[0023] Optionally, the reactive dye is added in an amount of 0.2%-4% relative to the weight of the fabric, wherein RW black is 4%, HS-D crimson is 0.5%, and HS-D navy blue is 0.2%.

[0024] Optionally, the first color fixing agent, the second color fixing agent and the third color fixing agent are soda ash.

[0025] Optionally, the total amount of soda ash used in the system is 20 g / L.

[0026] Optionally, the mass ratio of the first color fixing agent, the second color fixing agent and the third color fixing agent is 1:2:7.

[0027] Furthermore, the soaping treatment step includes: after injecting water into the dyeing vat, adding polyester-cotton soaping agent, heating to 90-95° C., keeping the temperature for 20-30 minutes, draining and washing with water to obtain the dyed Solona fabric.

[0028] Optionally, the polyester-cotton soap detergent is added in an amount of 3-5 g / L.

[0029] Furthermore, the nozzle pressure of the open-width water washing is 0.3 Pa and the vehicle speed is 22 m / min.

[0030] Open-width washing can clean the broken hairiness of the fabric, while controlling the tension of the washing machine to reduce the tension on the fabric surface and ensure the shrinkage effect of the finished fabric.

[0031] Furthermore, the drying step is: drying through a stenter setting machine (10 boxes), the frame controls the width naturally, controls the overfeed to +2%, and the speed is 30m / min, wherein the temperature of the first section of the stenter setting machine is 150°C, the temperature of the last section is 150°C, and the remaining temperature is 170°C.

[0032] Furthermore, the auxiliary agent includes a moisture absorption and perspiration finishing agent, a cool feeling finishing agent and an antibacterial finishing agent.

[0033] Optionally, the concentration of the moisture absorption and perspiration-releasing finishing agent is 30 g / L, and the amount used relative to the weight of the fabric is 3%.

[0034] Optionally, the concentration of the cold feeling finishing agent is 80 g / L, and the amount used relative to the weight of the fabric is 8%.

[0035] Optionally, the concentration of the antibacterial finishing agent is 10 g / L, and the dosage relative to the weight of the fabric is 1%.

[0036] The additive is impregnated and rolled into the fabric by a dipping and rolling method, and then baked in a stenter setting machine to fuse the additive with the fabric.

[0037] The second technical solution of the present invention is to provide a cool-feeling Sorona dyed fabric with antibacterial and moisture absorption and perspiration-wicking properties, wherein the cool-feeling Sorona dyed fabric with antibacterial and moisture absorption and perspiration-wicking properties is prepared by the above-mentioned preparation method.

[0038] The present invention discloses the following technical effects:

[0039] The preparation method of the invention improves the wearing performance of the Solona fabric, so that the Solona fabric is endowed with the performance characteristics of instant cool feeling upon contact, antibacterial, moisture absorption and perspiration discharge. DETAILED DESCRIPTION

[0040] Various exemplary embodiments of the present invention will now be described in detail. This detailed description should not be considered as limiting the present invention, but should be understood as a more detailed description of certain aspects, features, and embodiments of the present invention.

[0041] It should be understood that the terms described in the present invention are only for describing a particular embodiment and are not intended to limit the present invention. In addition, for the numerical range in the present invention, it should be understood that each intermediate value between the upper and lower limits of the scope is also specifically disclosed. The intermediate value in any stated value or stated range, and each smaller range between any other stated value or intermediate value in the described range is also included in the present invention. The upper and lower limits of these smaller ranges can be independently included or excluded in the scope.

[0042] Unless otherwise indicated, all technical and scientific terms used herein have the same meanings as those generally understood by those skilled in the art. Although the present invention describes only preferred methods and materials, any methods and materials similar or equivalent to those described herein may also be used in the implementation or testing of the present invention. All documents mentioned in this specification are incorporated by reference to disclose and describe the methods and / or materials associated with the documents. In the event of a conflict with any incorporated document, the content of this specification shall prevail.

[0043] It will be apparent to those skilled in the art that various modifications and variations may be made to the specific embodiments of the present invention description without departing from the scope or spirit of the present invention. Other embodiments derived from the present invention description will be apparent to those skilled in the art. The present invention description and examples are exemplary only.

[0044] The words “include,” “including,” “have,” “contain,” etc. used in this document are open-ended terms, meaning including but not limited to.

[0045] The raw materials and reagents used in the specific implementation scheme of the present invention are all commercially available products, the dyeing machine is an Italian Danny high temperature and high pressure L-type dyeing machine, and the stenter setting machine is a 10-box Fuji stenter setting machine.

[0046] Unless otherwise specified, the normal temperature and room temperature involved in the specific embodiments of the present invention refer to 20-30°C.

[0047] The raw materials and reagents involved in the specific embodiments of the present invention are all commercially available products.

[0048] The moisture absorption and perspiration finishing agent, the cooling finishing agent and the antibacterial finishing agent in the specific embodiment of the present invention are not particularly limited, and any conventional commercially available agent in the art may be used.

[0049] Example 1

[0050] The steps of preparing the cool-feeling Solona dyed fabric with antibacterial and moisture wicking properties include:

[0051] S1. Use Italian Danny high temperature and high pressure L-type dyeing machine, inject clean water into the dyeing vat with a bath ratio of 1:8, add dyeing auxiliary (degreasing agent) to the chemical barrel and pump it directly into the main vat, turn on the dyeing vat main pump to mix evenly, put the Sorona fabric in the dyeing machine, run it for 10 minutes, after the fabric is completely wetted and smooth in the vat body, adjust the power of the dyeing vat main pump to 80%, and control the circulation time of the fabric in the dyeing machine to 2.5 minutes to complete the pretreatment;

[0052] S2. Inject acetic acid for dyeing into the dye vat. After running for 5 minutes, heat it to 70°C, inject the mixed dye (disperse black ECT 1.5%) into the dye bath, heat it to 110°C and keep it constant for 20 minutes, then heat it to 133°C at 1.5°C / min, keep it constant for 40 minutes, and then start cooling. The cooling rate is controlled between 1-1.5°C. If the cooling is too fast, chicken claw marks will appear on the fabric. Cool it to 80°C, and continue to cool it to below 60°C by half-water inlet and half-liquid discharge. Take samples for color matching, add clean water after draining, wash with water for 10 minutes and then drain, repeat the washing for 3 times to complete the step-by-step heating and cooling dyeing;

[0053] S3, inject clean water into the dyeing vat, raise the water temperature to 58°C, inject 0.3% neutral cellulase (relative to the mass of the Sorona fabric) into the main vat, inject the dyeing accelerator (sodium sulfate) required for active dyeing into the dyeing vat, run for 20 minutes, quantitatively inject the reactive dye (RW black 4%) into the dyeing vat for 20 minutes, run for 30 minutes, inject 1 part of the color fixing agent (soda ash) into the dyeing vat for 20 minutes, run for 5 minutes, inject 2 parts of the color fixing agent (soda ash) into the dyeing vat for 20 minutes, run for 10 minutes, heat the dyeing vat to 65°C, and control the heating rate between 0.5-1°C / min. After running for 10 minutes, inject 7 parts of the color fixing agent (soda ash) into the dyeing vat for 20 minutes, keep the temperature at 65°C for 60 minutes, drain the dyeing vat, wash it three times with clean water, and then inject acetic acid for neutralization to neutralize it to about neutrality, completing the active dyeing process, wherein the total amount of the color fixing agent soda ash is 20g / L;

[0054] S4. After the dye vat is filled with clean water, a polyester-cotton soap detergent is injected into the dye vat at a dosage of 3g / L, the temperature is raised to 95°C, the temperature is kept for 30 minutes, the liquid is drained, clean water is injected and the temperature is raised to 80°C for washing, and the washing is repeated twice to complete the soap washing process;

[0055] S5, washing the soap-treated Salona fabric with open-width water, wherein the nozzle pressure of the open-width water washing machine is controlled at 0.3 Pa and the speed is controlled at 22 m / min;

[0056] S6. Then use Monforts stenter (10 boxes), the frame controls the width naturally, controls the overfeeding to +2%, the speed is 30m / min, the temperature of the first section of the stenter is 150℃, the temperature of the tenth section is 150℃, and the temperature of the other eight sections is controlled at 170℃. This method can reduce energy consumption. After the fabric is dried, add 3% of the weight of the Sorona fabric to the rolling groove of the stenter (concentration 30g / L) of the moisture absorption and perspiration finishing agent (concentration 30g / L), 8% of the weight of the Sorona fabric to the cold feeling finishing agent (concentration 80g / L), and 1% of the weight of the Sorona fabric to the antibacterial finishing agent (concentration 10g / L). The additives are impregnated into the fabric by a dipping and rolling method, and are baked in the stenter (170℃) to fuse the additives with the fabric. After the fabric is taken off the machine, it needs to be rapidly cooled to ensure that the physical indicators of the fabric meet the standards, so as to obtain a cool Sorona dyed fabric with antibacterial and moisture absorption and perspiration properties.

[0057] Test example

[0058] The fabrics prepared in the examples and comparative examples were subjected to the following performance tests, and the results are shown in Table 1.

[0059] Cooling coefficient q max (J / (cm 2 ·s)) Tested according to GB / T35263-2017;

[0060] The antibacterial effect is tested according to T / GDBX056-2022;

[0061] Moisture absorption and perspiration wicking (before washing) is tested according to GB / T21655.2-2019 to see if it meets the standard;

[0062] The moisture absorption and perspiration management (after washing 5 times) is tested according to GB / T21655.2-2019 to see if it meets the standard.

[0063] Table 1

[0064] project Example 1 standard Coolness coefficient 0.24 0.15 Antibacterial effect AAAAA -- Moisture wicking (before washing) conform to -- Moisture wicking (after 5 washes) conform to --

[0065] As can be seen from Table 1, the fabric prepared by the present invention has excellent instant cool feeling upon contact, antibacterial, and moisture absorption and perspiration wicking properties.

[0066] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0067] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A method for preparing a cool-feeling Solona dyed fabric with antibacterial and moisture absorption and perspiration-wicking properties, characterized in that the steps include: Inject clean water into the dyeing vat of the dyeing machine, set the bath ratio to 1:8-10, add dyeing auxiliaries, and then immerse the Solona fabric in the dyeing vat for pretreatment, and then obtain the dyed Solona fabric after stepwise heating and cooling dyeing treatment, active dyeing treatment and soaping treatment; The dyed Solona fabric is subjected to open-width water washing treatment and drying, and then the auxiliary agent is impregnated into the fabric by a dipping and padding method, and the fabric is cooled to obtain the cool Solona dyed fabric with antibacterial and moisture absorption and perspiration removal properties.

2. The preparation method according to claim 1, characterized in that The dyeing auxiliary agent includes at least one of a degreasing agent, caustic soda, a scouring enzyme and hydrogen peroxide; and / or, The dyeing auxiliary agent is added in an amount of 1.5-6% relative to the weight of the fabric; and / or, The pretreatment is to immerse the Solona fabric in a dyeing vat, operate the dyeing machine for 10 minutes, then adjust the power of the dyeing vat main pump to 80%, and set the circulation time of the Solona fabric in the dyeing machine to 2-2.5 minutes; and / or, The step of the stepwise heating and cooling dyeing treatment comprises: adding acetic acid for dyeing into a dye vat, mixing evenly, heating to 70°C, adding dye and mixing evenly, heating to 110°C, keeping the temperature for 20 minutes, heating to 133°C at a heating rate of 1.5°C / min, keeping the temperature for 40 minutes, cooling to 80°C at a cooling rate of 1-1.5°C / min, and then cooling to below 60°C in a half-water-in and half-liquid-out manner, washing with water after drainage, and obtaining the Sorona fabric treated with the stepwise heating and cooling dyeing treatment.

3. The preparation method according to claim 2, characterized in that: The dye comprises at least one of disperse ECT black, disperse red S-5BL and disperse orange S-4RL; and / or the amount of acetic acid added for dyeing is 1.5 g / L; and / or the amount of the dye added relative to the weight of the fabric is 0.1%-1.5%.

4. The preparation method according to claim 1, characterized in that: The steps of the active dyeing treatment include: heating the water temperature of the dyeing vat to 58°C, then adding neutral cellulase and a dyeing accelerator, adding active dyes after the dyeing machine has been running for 20 minutes, continuing to run for 30 minutes, adding the first portion of a color fixing agent, running for 5 minutes, adding the second portion of a color fixing agent, running for 10 minutes, heating to 65°C at a heating rate of 0.5-1°C / min, running for 10 minutes, adding the third portion of a color fixing agent, keeping the temperature for 60 minutes, draining the dyeing vat, and adding acetic acid to neutralize to neutrality after cleaning.

5. The preparation method according to claim 4, characterized in that: The dyeing accelerator includes sodium sulfate; and / or, The amount of the neutral cellulase added is 0.3% of the weight of the Solona fabric; and / or, The amount of the dyeing accelerator added is 100 g / L; and / or, The reactive dye comprises at least one of RW black, HS-D crimson and HS-D navy blue; and / or, The reactive dye is added in an amount of 0.2% to 4% relative to the weight of the fabric; and / or, The first fixing agent, the second fixing agent and the third fixing agent are soda ash; and or, The total amount of soda ash in the system is 20 g / L; and / or, The mass ratio of the first color fixing agent, the second color fixing agent and the third color fixing agent is 1:2:

7.

6. The preparation method according to claim 1, characterized in that: The soaping treatment step comprises: injecting water into the dyeing vat, adding polyester-cotton soaping agent, heating to 90-95° C., keeping the temperature for 20-30 minutes, draining and washing with water to obtain the dyed Solona fabric.

7. The preparation method according to claim 6, characterized in that: The added amount of the polyester-cotton soap detergent is 3-5 g / L.

8. The preparation method according to claim 1, characterized in that: The nozzle pressure of the open-width water washing is 0.3 Pa and the vehicle speed is 22 m / min; and / or, The drying step is: drying by a stenter setting machine, the frame controls the width naturally, controls the overfeeding to +2%, and the speed is 30m / min, wherein the temperature of the first section of the stenter setting machine is 150°C, the temperature of the last section is 150°C, and the remaining temperature is 170°C; and / or, The auxiliary agents include moisture absorption and perspiration finishing agents, cool feeling finishing agents and antibacterial finishing agents.

9. The preparation method according to claim 8, characterized in that: The concentration of the moisture absorption and perspiration finishing agent is 30 g / L, which is 3% of the weight of the fabric; and / or, The concentration of the cold feeling finishing agent is 80 g / L, and the amount used relative to the weight of the fabric is 8%; and / or, The concentration of the antibacterial finishing agent is 10 g / L, and the dosage relative to the weight of the fabric is 1%.

10. A cool-feeling, Solona-dyed fabric with antibacterial and moisture-wicking properties, characterized in that: The cool-feeling Sorona dyed fabric with antibacterial and moisture absorption and perspiration-wicking properties is prepared by the preparation method described in any one of claims 1 to 9.