Surface treatment method of high-strength anti-static polyester fabric for outdoor jacket

Abstract

The invention provides a surface treatment method of a high-strength anti-static polyester fabric for a mountaineering jacket. The surface treatment method comprises the following steps: S1, composite pretreatment: carrying out positioning plasma treatment and alkali washing activation; s2, halogen-free flame-retardant treatment: preparing a halogen-free flame-retardant solution, and performing operations of soaking for three times and rolling for three times; s3, coating a multifunctional sizing material: preparing the sizing material and carrying out coating operation; and S4, coating and functional curing: carrying out vacuum pre-drying, spraying a waterproof breathable agent and carrying out thermal curing. According to the surface treatment method of the high-strength anti-static polyester fabric for the outdoor jacket, provided by the invention, through a dual mechanism of a graphene conductive network and a hydrophilic group, the surface resistance is stable, and the washability is excellent; the kaolin, the nano silicon dioxide and the adhesive are cross-linked, so that the breaking strength of the fabric is improved, and the wear-resistant requirement of the outdoor jacket is met; halogen-free flame-retardant, waterproof and air-permeable functions are synchronously realized, and the cable is adaptive to all outdoor scenes.

Description

Technical Field

[0001] This invention relates to the field of polyester fabric production, and more particularly to a surface treatment method for high-strength antistatic polyester fabric for outdoor jackets. Background Technology

[0002] Polyester fabrics are widely used in outerwear and outdoor products due to their excellent wrinkle resistance and shape retention, and are especially suitable for making rain jackets. With the upgrading of outdoor scene requirements, rain jacket fabrics need to meet the requirements of high strength, antistatic and flame retardancy at the same time. Existing technologies have emerged to improve the strength and antistatic properties of polyester fabrics through coating treatments, such as by adding kaolin and nano silica to improve fabric performance. In addition, flame retardant polyester is widely used in the field of protective clothing and can achieve multiple functions such as flame retardancy and antistatic by combining with other functional finishing.

[0003] Existing polyester fabric processing technologies for outdoor jackets have the following shortcomings: First, their antistatic performance relies solely on hydrophilicity, resulting in limited static electricity dissipation mechanisms and poor washability, with performance degradation after multiple washes. Second, their functions are relatively limited, focusing mainly on strength, antistatic properties, and flame retardancy, lacking essential outdoor functions for outdoor jackets such as waterproofing and breathability. Third, some solutions use brominated flame retardants, which have insufficient environmental friendliness and fail to meet the requirements of green production.

[0004] Therefore, it is necessary to provide a surface treatment method for high-strength antistatic polyester fabric for outdoor jackets to solve the above-mentioned technical problems. Summary of the Invention

[0005] This invention provides a surface treatment method for high-strength antistatic polyester fabric for outdoor jackets. It solves the problems of existing polyester fabric treatment technologies for outdoor jackets, which rely solely on improving hydrophilicity for antistatic performance, have limited static electricity dissipation mechanisms, poor washability, and significant performance degradation after multiple washes; their functions are relatively limited, mainly focusing on strength, antistatic properties, and flame retardancy, lacking essential outdoor functions for outdoor jackets such as waterproofing and breathability; and some solutions use brominated flame retardants, which have insufficient environmental friendliness.

[0006] To solve the above-mentioned technical problems, the present invention provides a surface treatment method for high-strength antistatic polyester fabric for outdoor jackets, comprising the following steps:

[0007] S1. Composite pretreatment: Positioning plasma treatment and alkaline washing activation are adopted;

[0008] Low-temperature plasma treatment is used: the polyester fabric is placed in an oxygen atmosphere and bombarded with plasma at a power of 300W for 60s to introduce hydroxyl and carboxyl polar groups on the fabric surface, thereby reducing the surface contact angle.

[0009] Alkali washing activation: The plasma-treated fabric is immersed in a 2wt% sodium hydroxide solution, and sodium alkylbenzene sulfonate is added at a mass ratio of 1:1000. The fabric is then treated at a constant temperature of 75°C for 35 minutes to etch nanoscale pits on the fiber surface.

[0010] S2, Halogen-free flame retardant treatment: Preparation of halogen-free flame retardant liquid and the use of three immersion and three rolling operations;

[0011] S3, Multifunctional adhesive coating: preparation of adhesive and coating operation;

[0012] S4. Coating and functional curing: vacuum pre-drying, spraying waterproof and breathable agent and heat curing.

[0013] Preferably, in step S2, the preparation of the halogen-free flame retardant liquid involves taking 15 parts by weight of magnesium hydroxide, 10 parts by weight of aluminum hydroxide, 5 parts by weight of nano-montmorillonite, and 200 parts by weight of deionized water, stirring them evenly, and then adjusting the pH to 6.2 with a 5wt% sodium bicarbonate solution.

[0014] Preferably, the operation of three soakings and three rollings includes the following steps:

[0015] First immersion: The polyester fabric after the S1 composite pretreatment is completely immersed in the halogen-free flame retardant liquid. The immersion time is controlled to be 30-40 seconds to ensure that the fabric fibers fully contact and absorb the flame retardant liquid.

[0016] First pressing: The impregnated fabric is fed into the rolling mill and squeezed by the upper and lower rollers to remove excess flame retardant liquid, so that the flame retardant liquid is evenly distributed on the fabric surface and between the fibers.

[0017] Second impregnation: Immerse the fabric after the first pressing into the same flame retardant liquid again for 20-30 seconds to replenish the amount of flame retardant liquid absorbed by the fibers and enhance the penetration depth of the flame retardant components in the fabric.

[0018] Second rolling: Repeat the parameters of the first rolling and further adjust the roll-off rate to 35% ± 2% to ensure that the liquid content on both sides of the fabric and the whole is uniform and consistent, and to avoid local liquid accumulation or insufficient liquid.

[0019] Third immersion: The fabric after the second rolling is immersed in the flame retardant liquid for a third time for 15-20 seconds to consolidate the adhesion of the flame retardant liquid to the fiber surface and make up for any local unevenness that may have occurred in the first two treatments.

[0020] The third rolling process uses the same roller pressure as the first two to ultimately control the residual rate to a stable 35%. Through the cumulative effect of the three rolling processes, the flame retardant liquid forms a continuous and uniform adsorption layer on the fabric surface, laying the foundation for subsequent drying and film formation.

[0021] Preferably, the preparation of the coating material in step S3 includes the following steps:

[0022] Weigh out 5 parts of nano-graphene, 8 parts of modified nano-silica, and 12 parts of kaolin by weight, add 30 parts of deionized water, and ultrasonically disperse at 500W power for 30 minutes.

[0023] Add 2 parts of titanate coupling agent and stir at 50°C for 60 min;

[0024] Add 75 parts of water-based polyurethane adhesive and 3 parts of isocyanate crosslinking agent, and stir at a high speed of 1500 r / min for 40 min to obtain the coating material;

[0025] The coating operation involves using a scraper to evenly coat the adhesive onto the surface of the fabric treated in step S2.

[0026] Preferably, the vacuum pre-drying involves vacuum pre-drying the fabric coated with S3 at 60°C for 5 minutes.

[0027] The sprayed waterproof and breathable agent: a 5wt% perfluorohexyl ethyl acrylate solution is sprayed onto the pre-dried coating surface to form a porous structure with a pore size of 0.1-1μm;

[0028] The heat curing process involves heat curing the fabric at 120°C for 20 minutes, allowing the isocyanate crosslinking agent to crosslink with the waterborne polyurethane and the polar groups on the fabric surface, thus completing the final treatment.

[0029] Preferably, the coating operation in S3 uses a coating device, which includes an operating table, a first coating component, a second coating component, a hopper, a support, two placement components, a flipping component, and two fixing components.

[0030] Both the first coating assembly and the second coating assembly are disposed inside the operating table;

[0031] The feeding hopper is mounted on the top of the operating table via the bracket and is located above the first coating assembly;

[0032] The two placement components are respectively disposed between the first coating component, the second coating component and the operating table;

[0033] The flipping assembly is disposed on one side of the operating table. The flipping assembly includes a fixed rod, multiple rotating frames, a flipping plate, and two fixed blocks. The fixed rod is connected to one side of the bottom of the operating table through the two fixed blocks. The multiple rotating frames are disposed on the surface of the fixed rod, and the flipping plate is connected between the multiple rotating frames.

[0034] The two fixing components are respectively disposed between the operating table and the flip plate.

[0035] Preferably, the first coating assembly includes a first rotating roller, a first coating roller, and a first motor. The first rotating roller and the first coating roller are both disposed inside the operating table, and the first motor is mounted on one side of the operating table and connected to one end of the first coating roller.

[0036] Preferably, the second coating assembly includes a second rotating roller, a second coating roller, and a second motor. The second rotating roller and the second coating roller are both disposed inside the operating table, and the second motor is installed on one side of the operating table and connected to the second coating roller.

[0037] Preferably, both sides of the operating table are provided with a take-up and release device. The take-up and release device includes a drive motor and a take-up and release roller. The motor is installed on one side of the operating table, and the take-up and release roller is connected to one end of the motor through a coupling. A positioning component is provided inside the operating table and between the first coating component and one of the take-up and release components. The fixing component includes a rectangular fixing block and a fixing bolt. The rectangular fixing block is connected to the side of the flip plate, and the fixing bolt is located between the rectangular fixing block and the operating table. The collecting component includes a collecting box, two mounting blocks, and two mounting sleeves. The two mounting blocks are respectively connected to both sides of the surface of the collecting box, and the two mounting sleeves are respectively connected to the surfaces of the two mounting blocks and to the operating table. Grooves are provided on both sides of the operating table.

[0038] Preferably, the operating table is provided with a storage component inside. The storage component includes a box, two positioning blocks and two positioning slots. The two positioning blocks are symmetrically installed at the bottom of the box, and the two positioning slots are respectively opened on both sides of the bottom of the inner wall of the operating table.

[0039] Compared with related technologies, the surface treatment method for high-strength antistatic polyester fabric for outdoor jackets provided by this invention has the following beneficial effects:

[0040] This invention provides a surface treatment method for high-strength antistatic polyester fabric for outdoor jackets. Through a dual mechanism of graphene conductive network and hydrophilic groups, the surface resistance is stable and the washability is excellent.

[0041] Enhanced strength: Kaolin, nano-silica, and adhesives are cross-linked, which improves the tensile strength of the fabric and meets the abrasion resistance requirements of outdoor jackets;

[0042] Comprehensive functionality: Simultaneously achieving halogen-free flame retardancy, waterproofing, and breathability, suitable for all outdoor scenarios;

[0043] Environmental benefits: The use of a halogen-free flame retardant system to replace bromine-based flame retardants reduces the emission of toxic substances and meets the requirements of green production. Attached Figure Description

[0044] Figure 1 This is a schematic diagram of the structure of a first embodiment of a surface treatment method for a high-strength antistatic polyester fabric for a windbreaker provided by the present invention.

[0045] Figure 2 This is a schematic diagram of the second embodiment of a surface treatment method for a high-strength antistatic polyester fabric for a windbreaker provided by the present invention.

[0046] Figure 3 for Figure 2 The enlarged schematic diagram of part A shown below;

[0047] Figure 4 for Figure 2 A three-dimensional structural schematic diagram of the coating device from a first-view perspective;

[0048] Figure 5 for Figure 4 The enlarged schematic diagram of section B is shown below;

[0049] Figure 6 for Figure 2 A three-dimensional structural schematic diagram of the coating device from a second perspective;

[0050] Figure 7 This is a schematic diagram of the third embodiment of a surface treatment method for high-strength antistatic polyester fabric for outdoor jackets provided by the present invention.

[0051] Figure 8 for Figure 7 The enlarged schematic diagram of section C is shown.

[0052] Numbered in the diagram: 1. Control panel;

[0053] 2. First coating assembly; 21. First rotating roller; 22. First coating roller; 23. First motor;

[0054] 3. Second coating assembly; 31. Second rotating roller; 32. Second coating roller; 33. Second motor;

[0055] 4. Feed hopper; 5. Support frame;

[0056] 6. Collection components; 61. Collection box; 62. Mounting block; 63. Mounting sleeve;

[0057] 7. Take-up and release device; 71. Drive motor; 72. Take-up and release rollers;

[0058] 8. Groove;

[0059] 9. Flipping assembly; 91. Fixing rod; 92. Rotating frame; 93. Flipping plate; 94. Fixing block;

[0060] 10. Fixing component; 101. Rectangular fixing block; 102. Fixing bolt;

[0061] 11. Positioning components;

[0062] 12. Storage component; 121. Box body; 122. Positioning block; 123. Positioning slot. Detailed Implementation

[0063] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0064] First Embodiment

[0065] Please refer to the following: Figure 1 ,in, Figure 1 This is a schematic diagram of the first embodiment of a surface treatment method for a high-strength antistatic polyester fabric for outdoor jackets provided by the present invention. The surface treatment method for a high-strength antistatic polyester fabric for outdoor jackets includes the following steps:

[0066] S1. Composite pretreatment: Positioning plasma treatment and alkaline washing activation are adopted;

[0067] Low-temperature plasma treatment is used: the polyester fabric is placed in an oxygen atmosphere and bombarded with plasma at a power of 300W for 60s to introduce hydroxyl and carboxyl polar groups on the fabric surface, thereby reducing the surface contact angle.

[0068] Alkali washing activation: The plasma-treated fabric is immersed in a 2wt% sodium hydroxide solution, and sodium alkylbenzene sulfonate is added at a mass ratio of 1:1000. The fabric is then treated at a constant temperature of 75°C for 35 minutes to etch nanoscale pits on the fiber surface.

[0069] S2, Halogen-free flame retardant treatment: Preparation of halogen-free flame retardant liquid and the use of three immersion and three rolling operations;

[0070] S3, Multifunctional adhesive coating: preparation of adhesive and coating operation;

[0071] S4. Coating and functional curing: vacuum pre-drying, spraying waterproof and breathable agent and heat curing.

[0072] The preparation of the halogen-free flame retardant liquid in S2 involves taking 15 parts by weight of magnesium hydroxide, 10 parts by weight of aluminum hydroxide, 5 parts by weight of nano-montmorillonite, and 200 parts by weight of deionized water, stirring them evenly, and then adjusting the pH to 6.2 with 5wt% sodium bicarbonate solution.

[0073] The operation involving three soakings and three rollings includes the following steps:

[0074] First immersion: The polyester fabric after the S1 composite pretreatment is completely immersed in the halogen-free flame retardant liquid. The immersion time is controlled to be 30-40 seconds to ensure that the fabric fibers fully contact and absorb the flame retardant liquid.

[0075] First pressing: The impregnated fabric is fed into the rolling mill and squeezed by the upper and lower rollers to remove excess flame retardant liquid, so that the flame retardant liquid is evenly distributed on the fabric surface and between the fibers.

[0076] Second impregnation: Immerse the fabric after the first pressing into the same flame retardant liquid again for 20-30 seconds to replenish the amount of flame retardant liquid absorbed by the fibers and enhance the penetration depth of the flame retardant components in the fabric.

[0077] Second rolling: Repeat the parameters of the first rolling and further adjust the roll-off rate to 35% ± 2% to ensure that the liquid content on both sides of the fabric and the whole is uniform and consistent, and to avoid local liquid accumulation or insufficient liquid.

[0078] Third immersion: The fabric after the second rolling is immersed in the flame retardant liquid for a third time for 15-20 seconds to consolidate the adhesion of the flame retardant liquid to the fiber surface and make up for any local unevenness that may have occurred in the first two treatments.

[0079] The third rolling process uses the same roller pressure as the first two to ultimately control the residual rate to a stable 35%. Through the cumulative effect of the three rolling processes, the flame retardant liquid forms a continuous and uniform adsorption layer on the fabric surface, laying the foundation for subsequent drying and film formation.

[0080] The preparation of the coating material in step S3 includes the following steps:

[0081] Weigh out 5 parts of nano-graphene, 8 parts of modified nano-silica, and 12 parts of kaolin by weight, add 30 parts of deionized water, and ultrasonically disperse at 500W power for 30 minutes.

[0082] Add 2 parts of titanate coupling agent and stir at 50°C for 60 min;

[0083] Add 75 parts of water-based polyurethane adhesive and 3 parts of isocyanate crosslinking agent, and stir at a high speed of 1500 r / min for 40 min to obtain the coating material;

[0084] The coating operation involves using a scraper to evenly coat the adhesive onto the surface of the fabric treated in step S2.

[0085] The vacuum pre-drying process involves vacuum pre-drying the S3-coated fabric at 60°C for 5 minutes.

[0086] The sprayed waterproof and breathable agent: a 5wt% perfluorohexyl ethyl acrylate solution is sprayed onto the pre-dried coating surface to form a porous structure with a pore size of 0.1-1μm;

[0087] The heat curing process involves heat curing the fabric at 120°C for 20 minutes, allowing the isocyanate crosslinking agent to crosslink with the waterborne polyurethane and the polar groups on the fabric surface, thus completing the final treatment.

[0088] The working principle of the surface treatment method for high-strength antistatic polyester fabric for outdoor jackets provided by this invention is as follows:

[0089] S1. Composite pretreatment achieves synergistic effects through low-temperature plasma treatment and alkaline washing activation: plasma bombardment introduces polar groups to enhance surface activity, while alkaline washing etches the fiber surface and enhances hydrophilicity, laying the foundation for subsequent coating adhesion and electrostatic discharge.

[0090] S2. Halogen-free flame retardant treatment uses a "three-dip and three-roll" process to allow the flame retardant liquid to fully penetrate and evenly adhere to the pre-treated fabric. After drying, a flame retardant coating is formed, which improves the flame retardant performance of the fabric.

[0091] In the S3 multifunctional coating process, nano-graphene constructs a conductive network and modified nano-silica enhances hydrophilicity. The two work together to achieve dual antistatic properties. Kaolin and nanoparticles are cross-linked with the adhesive through coupling agents to improve the strength of the fabric.

[0092] S4. Coating and functional curing: Moisture is removed by vacuum pre-drying, waterproof and breathable agent is sprayed to form a porous structure, and cross-linking is achieved by heat curing, which locks in the performance of each layer and at the same time imparts waterproof and breathable functions to ensure long-term stability of overall performance.

[0093] Compared with related technologies, the surface treatment method for high-strength antistatic polyester fabric for outdoor jackets provided by this invention has the following beneficial effects:

[0094] This invention provides a surface treatment method for high-strength antistatic polyester fabric for outdoor jackets. Through a dual mechanism of graphene conductive network and hydrophilic groups, the surface resistance is stable and the washability is excellent.

[0095] Enhanced strength: Kaolin, nano-silica, and adhesives are cross-linked, which improves the tensile strength of the fabric and meets the abrasion resistance requirements of outdoor jackets;

[0096] Comprehensive functionality: Simultaneously achieving halogen-free flame retardancy, waterproofing, and breathability, suitable for all outdoor scenarios;

[0097] Environmental benefits: The use of a halogen-free flame retardant system to replace bromine-based flame retardants reduces the emission of toxic substances and meets the requirements of green production.

[0098] Second Embodiment

[0099] Please refer to the following: Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6Based on the surface treatment method for high-strength antistatic polyester fabric for outdoor jackets provided in the first embodiment of this application, the second embodiment of this application proposes another surface treatment method for high-strength antistatic polyester fabric for outdoor jackets. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0100] Specifically, the difference in the surface treatment method of high-strength antistatic polyester fabric for rain jackets provided in the second embodiment of this application is that, in the coating operation of the high-strength antistatic polyester fabric for rain jackets, a coating device is used. The coating device includes an operating table 1, a first coating component 2, a second coating component 3, a hopper 4, a support 5, two placement components 6, a flipping component 9, and two fixing components 10.

[0101] Both the first coating component 2 and the second coating component 3 are disposed inside the operating table 1;

[0102] The feeding hopper 4 is mounted on the top of the operating table 1 via the bracket 5 and is located above the first coating component 2;

[0103] The two placement components 6 are respectively disposed between the first coating component 2, the second coating component 3 and the operating table 1;

[0104] The flipping assembly 9 is disposed on one side of the operating table 1. The flipping assembly 9 includes a fixed rod 91, a plurality of rotating frames 92, a flipping plate 93 and two fixing blocks 94. The fixed rod 91 is connected to one side of the bottom of the operating table 1 through the two fixing blocks 94. The plurality of rotating frames 92 are disposed on the surface of the fixed rod 91. The flipping plate 93 is connected between the plurality of rotating frames 92.

[0105] The two fixing components 10 are respectively disposed between the operating table 1 and the flip plate 93.

[0106] The first coating assembly 2 includes a first rotating roller 21, a first coating roller 22 and a first motor 23. The first rotating roller 21 and the first coating roller 22 are both disposed inside the operating table 1. The first motor 23 is installed on one side of the operating table 1 and is connected to one end of the first coating roller 22.

[0107] The second coating assembly 3 includes a second rotating roller 31, a second coating roller 32, and a second motor 33. The second rotating roller 31 and the second coating roller 32 are both disposed inside the operating table 1. The second motor 33 is installed on one side of the operating table 1 and connected to the second coating roller 32.

[0108] Both sides of the operating table 1 are provided with a take-up and release device 7. The take-up and release device 7 includes a drive motor 71 and a take-up and release roller 72. The motor 71 is installed on one side of the operating table 1, and the take-up and release roller 72 is connected to one end of the motor 71 through a coupling. A positioning member 11 is provided inside the operating table 1 and between the first coating component 2 and one of the take-up and release components 7. The fixing component 10 includes a rectangular fixing block 101 and a fixing bolt 102. The rectangular fixing block 101 is connected to the side of the flip plate 93, and the fixing bolt 102 is located between the rectangular fixing block 101 and the operating table 1. The collecting component 6 includes a collecting box 61, two mounting blocks 62 and two mounting sleeves 63. The two mounting blocks 62 are respectively connected to the two sides of the surface of the collecting box 61, and the two mounting sleeves 63 are respectively connected to the surface of the two mounting blocks 62 and to the operating table 1. Grooves 8 are provided on both sides of the operating table 1.

[0109] The use of mounting block 62 and mounting sleeve 63 facilitates the installation and disassembly of collection box 61 and the cleaning of collection box 61. The use of multiple rotating frames 92 and flip plate 93 facilitates the opening of one side of operating table 1, thereby facilitating the installation of fabric between the first coating component 2, the second coating component 3 and the positioning component 11. The surface of take-up and release roller 72 is provided with anti-slip texture to ensure that the fabric does not slip during conveying.

[0110] The working principle of the surface treatment method for high-strength antistatic polyester fabric for outdoor jackets provided by this invention is as follows:

[0111] In use, when coating the fabric, first remove the fixing bolts 102 between the flip plate 93 and the two rectangular fixing blocks 101. After the two fixing bolts 102 are removed, the flip plate 93 is opened by pulling it under the action of multiple rotating frames 92. After the flip plate 93 is opened, the fabric on one of the take-up and release rollers 72 is passed through the positioning part 11, the first rotating roller 21 and the first coating roller 22, the second rotating roller 31 and the second coating roller 32 and wound onto the other take-up and release roller 72. Then, the two drive motors 71 are started to drive the two take-up and release rollers 72 in reverse to rotate, thereby coating the fabric. When the fabric is rolled up, the first motor 23 is started to drive the first coating roller 22 to rotate, so that the coating material inside the feed hopper 4 is adhered to the surface of the first coating roller 22 and the upper surface of the fabric is coated. After the fabric passes the surface of the second coating roller 32, the coating material inside the collection box 61 will be coated onto the lower surface of the fabric by the second coating roller 32.

[0112] Compared with related technologies, the surface treatment method for high-strength antistatic polyester fabric for outdoor jackets provided by this invention has the following beneficial effects:

[0113] This invention provides a surface treatment method for high-strength antistatic polyester fabric for outdoor jackets. By cooperating with the first coating component 2 and the second coating component 3 and the take-up and release device 7, continuous coating of the fabric is achieved, which improves the production efficiency compared with the traditional single-group coating.

[0114] The positioning component 11 works in conjunction with the first coating component 2 and the second coating component 3 to control the coating thickness and avoid local areas being too thick or too thin.

[0115] The flipping component 9 allows for flexible installation of the fabric inside the operating table 1, while the fixing component 10 ensures that the position is stable after flipping.

[0116] Third Embodiment

[0117] Please refer to the following: Figure 7 and Figure 8 Based on the surface treatment method for high-strength antistatic polyester fabric for outdoor jackets provided in the first embodiment of this application, the third embodiment of this application proposes another surface treatment method for high-strength antistatic polyester fabric for outdoor jackets. The third embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the third embodiment will not affect the separate implementation of the first embodiment.

[0118] Specifically, the surface treatment method for high-strength antistatic polyester fabric for windbreakers provided in the third embodiment of this application differs in that it further includes a storage component 12. The storage component 12 is disposed inside the operating table 1. The storage component 12 includes a box body 121, two positioning blocks 122 and two positioning grooves 123. The two positioning blocks 122 are symmetrically installed on the bottom of the box body 121, and the two positioning grooves 123 are respectively opened on both sides of the bottom of the inner wall of the operating table 1.

[0119] The positioning block 122 and the positioning groove 123 are T-shaped and are compatible. The use of the positioning block 122 and the positioning groove 123 facilitates the positioning of the box 121 when it is installed inside the box 1.

[0120] When cleaning the adhesive inside the box 121, first pull the box 121 outward. When the box 121 is pulled outward, the two positioning blocks 122 at the bottom will separate from the two positioning slots 123 on the operating table 1.

[0121] Compared with related technologies, the surface treatment method for high-strength antistatic polyester fabric for outdoor jackets provided by this invention has the following beneficial effects:

[0122] This invention provides a surface treatment method for high-strength antistatic polyester fabric for outdoor jackets. Inside the operating table 1, a box 121, two positioning blocks 122, and two positioning grooves 123 are provided to facilitate the collection of adhesive dripping from the fabric when the fabric passes through the entire device for upper and lower surface coating operations.

[0123] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. A surface treatment method for high-strength antistatic polyester fabric used in outdoor jackets, characterized in that, Includes the following steps: S1. Composite pretreatment: Positioning plasma treatment and alkaline washing activation are adopted; Low-temperature plasma treatment is used: the polyester fabric is placed in an oxygen atmosphere and bombarded with plasma at a power of 300W for 60s to introduce hydroxyl and carboxyl polar groups on the fabric surface, thereby reducing the surface contact angle. Alkali washing activation: The plasma-treated fabric is immersed in a 2wt% sodium hydroxide solution, and sodium alkylbenzene sulfonate is added at a mass ratio of 1:1000. The fabric is then treated at a constant temperature of 75°C for 35 minutes to etch nanoscale pits on the fiber surface. S2, Halogen-free flame retardant treatment: Preparation of halogen-free flame retardant liquid and the use of three immersion and three rolling operations; S3, Multifunctional adhesive coating: preparation of adhesive and coating operation; S4. Coating and functional curing: vacuum pre-drying, spraying waterproof and breathable agent and heat curing.

2. The surface treatment method for high-strength antistatic polyester fabric for outdoor jackets according to claim 1, characterized in that, The preparation of the halogen-free flame retardant liquid in S2 involves taking 15 parts by weight of magnesium hydroxide, 10 parts by weight of aluminum hydroxide, 5 parts by weight of nano-montmorillonite, and 200 parts by weight of deionized water, stirring them evenly, and then adjusting the pH to 6.2 with 5wt% sodium bicarbonate solution.

3. The surface treatment method for high-strength antistatic polyester fabric for outdoor jackets according to claim 1, characterized in that, The operation involving three soakings and three rollings includes the following steps: First immersion: The polyester fabric after the S1 composite pretreatment is completely immersed in the halogen-free flame retardant liquid. The immersion time is controlled to be 30-40 seconds to ensure that the fabric fibers fully contact and absorb the flame retardant liquid. First pressing: The impregnated fabric is fed into the rolling mill and squeezed by the upper and lower rollers to remove excess flame retardant liquid, so that the flame retardant liquid is evenly distributed on the fabric surface and between the fibers. Second impregnation: Immerse the fabric after the first pressing into the same flame retardant liquid again for 20-30 seconds to replenish the amount of flame retardant liquid absorbed by the fibers and enhance the penetration depth of the flame retardant components in the fabric. Second rolling: Repeat the parameters of the first rolling and further adjust the roll-off rate to 35% ± 2% to ensure that the liquid content on both sides of the fabric and the whole is uniform and consistent, and to avoid local liquid accumulation or insufficient liquid. Third immersion: The fabric after the second rolling is immersed in the flame retardant liquid for a third time for 15-20 seconds to consolidate the adhesion of the flame retardant liquid to the fiber surface and make up for any local unevenness that may have occurred in the first two treatments. The third rolling process uses the same roller pressure as the first two to ultimately control the residual rate to a stable 35%. Through the cumulative effect of the three rolling processes, the flame retardant liquid forms a continuous and uniform adsorption layer on the fabric surface, laying the foundation for subsequent drying and film formation.

4. The surface treatment method for high-strength antistatic polyester fabric for outdoor jackets according to claim 1, characterized in that, The preparation of the coating material in S3 Includes the following steps: Weigh out 5 parts of nano-graphene, 8 parts of modified nano-silica, and 12 parts of kaolin by weight, add 30 parts of deionized water, and ultrasonically disperse at 500W power for 30 minutes. Add 2 parts of titanate coupling agent and stir at 50°C for 60 min; Add 75 parts of water-based polyurethane adhesive and 3 parts of isocyanate crosslinking agent, and stir at a high speed of 1500 r / min for 40 min to obtain the coating material; The coating operation involves using a scraper to evenly coat the adhesive onto the surface of the fabric treated in step S2.

5. The surface treatment method for high-strength antistatic polyester fabric for outdoor jackets according to claim 1, characterized in that, The vacuum pre-drying process involves vacuum pre-drying the S3-coated fabric at 60°C for 5 minutes. The sprayed waterproof and breathable agent: a 5wt% perfluorohexyl ethyl acrylate solution is sprayed onto the pre-dried coating surface to form a porous structure with a pore size of 0.1-1μm; The heat curing process involves heat curing the fabric at 120°C for 20 minutes, allowing the isocyanate crosslinking agent to crosslink with the waterborne polyurethane and the polar groups on the fabric surface, thus completing the final treatment.

6. The surface treatment method for high-strength antistatic polyester fabric for outdoor jackets according to claim 1, characterized in that, The coating operation in S3 uses a coating device, which includes an operating table, a first coating component, a second coating component, a hopper, a support, two placement components, a flipping component, and two fixing components. Both the first coating assembly and the second coating assembly are disposed inside the operating table; The feeding hopper is mounted on the top of the operating table via the bracket and is located above the first coating assembly; The two placement components are respectively disposed between the first coating component, the second coating component and the operating table; The flipping assembly is disposed on one side of the operating table. The flipping assembly includes a fixed rod, multiple rotating frames, a flipping plate, and two fixed blocks. The fixed rod is connected to one side of the bottom of the operating table through the two fixed blocks. The multiple rotating frames are disposed on the surface of the fixed rod, and the flipping plate is connected between the multiple rotating frames. The two fixing components are respectively disposed between the operating table and the flip plate.

7. The surface treatment method for high-strength antistatic polyester fabric for outdoor jackets according to claim 6, characterized in that, The first coating assembly includes a first rotating roller, a first coating roller, and a first motor. The first rotating roller and the first coating roller are both disposed inside the operating table. The first motor is installed on one side of the operating table and connected to one end of the first coating roller.

8. The surface treatment method for high-strength antistatic polyester fabric for outdoor jackets according to claim 6, characterized in that, The second coating assembly includes a second rotating roller, a second coating roller, and a second motor. The second rotating roller and the second coating roller are both disposed inside the operating table. The second motor is installed on one side of the operating table and connected to the second coating roller.

9. The surface treatment method for high-strength antistatic polyester fabric for outdoor jackets according to claim 6, characterized in that, Both sides of the operating table are provided with a take-up and release device. The take-up and release device includes a drive motor and a take-up and release roller. The motor is installed on one side of the operating table, and the take-up and release roller is connected to one end of the motor through a coupling. A positioning component is provided inside the operating table and between the first coating component and one of the take-up and release components. The fixing component includes a rectangular fixing block and a fixing bolt. The rectangular fixing block is connected to the side of the flip plate, and the fixing bolt is located between the rectangular fixing block and the operating table. The collecting component includes a collecting box, two mounting blocks, and two mounting sleeves. The two mounting blocks are respectively connected to both sides of the surface of the collecting box, and the two mounting sleeves are respectively connected to the surfaces of the two mounting blocks and to the operating table. Grooves are provided on both sides of the operating table.

10. The surface treatment method for high-strength antistatic polyester fabric for outdoor jackets according to claim 6, characterized in that, The operating table is equipped with a storage component, which includes a box, two positioning blocks and two positioning slots. The two positioning blocks are symmetrically installed at the bottom of the box, and the two positioning slots are respectively opened on both sides of the bottom of the inner wall of the operating table.

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