Intelligent wear anti-fraying high-strength nylon braid and preparation method thereof

Abstract

The application relates to the field of intelligent wearing nylon braid, and discloses a high-strength anti-fraying nylon braid for intelligent wearing and a preparation method thereof. The high-strength anti-fraying nylon braid for intelligent wearing is formed by hot-pressing plasticization of a nylon braid body, the nylon braid body is knitted by nylon elastic fibers, and the nylon elastic fibers are prepared from the following raw materials in parts by weight: modified PA66 45-55 parts, PA12 18-28 parts, PA1212 7-12 parts, adhesion stabilizer 4-7 parts, plasticizer 20-30 parts, antioxidant 1-3 parts, and colorant 0.3-1.5 parts; and the modified PA66 is prepared from PA66, styrene-octene-glycidyl methacrylate copolymer, polyphenyl ether grafted maleic anhydride and a flexible agent. The preparation method comprises the following steps: knitting the nylon elastic fibers to obtain the nylon braid body; and hot-pressing plasticization forming and cooling the nylon braid body. The nylon braid has good elasticity during long-term use and is not prone to deformation and fraying.

Description

Technical Field

[0001] This application relates to the field of nylon webbing for smart wearables, and more specifically, it relates to a high-strength nylon webbing with anti-fraying edges and a method for preparing the same. Background Technology

[0002] Nylon webbing is a type of woven tape made from nylon elastic fibers. It has good elasticity and good recovery after stretching. It is widely used in smart wearable products, such as smartwatches and smart fitness trackers. It has good extensibility, softness and comfort against the skin, fits the wrist well and has little binding force on the wrist.

[0003] Over time, woven nylon webbing can develop frayed edges. To address this, some existing technologies use adhesives for shaping. While this achieves good shaping, the adhesive can age and become sticky with prolonged contact with sweat, increasing production costs and reducing comfort. Other technologies use ultrasonic bonding, which generates frictional heat at the webbing surface to bond the nylon. While this prevents fraying, it still occurs after prolonged use, contact with sweat, and frequent stretching. Frayed edges can deform the nylon webbing, reducing its performance. Summary of the Invention

[0004] To address the issue that existing nylon webbing for smart wearables is prone to fraying and deformation after prolonged use due to contact with sweat or frequent stretching, this application provides a high-strength nylon webbing for smart wearables that prevents fraying and its preparation method.

[0005] In a first aspect, this application provides a high-strength nylon webbing for smart wearable devices that prevents fraying, employing the following technical solution:

[0006] A high-strength nylon webbing for smart wearable devices, comprising a nylon webbing body formed by hot pressing and plasticizing, wherein the nylon webbing body is woven from nylon elastic fibers, and the nylon elastic fibers are made from the following raw materials in parts by weight:

[0007] Modified PA66 45-55 parts

[0008] PA12 18-28 servings

[0009] PA1212 7-12 servings

[0010] 4-7 parts of adhesive stabilizer

[0011] 20-30 parts plasticizer

[0012] 1-3 parts antioxidant

[0013] Pigment 0.3-1.5 parts;

[0014] The modified PA66 is prepared from PA66, styrene-octene-glycidyl methacrylate copolymer, polyphenylene ether grafted maleic anhydride and a flexibility agent.

[0015] By adopting the above technical solution, the nylon webbing is made by hot pressing and plasticizing a nylon strip body woven from nylon elastic fibers. The resulting nylon webbing is used in smart wearable products. Even after long-term contact with human sweat or frequent stretching, there will be no problem of frayed edges. It has good elasticity and is not easily deformed.

[0016] The nylon elastic fibers utilize modified PA66, PA12, and PA1212 as the nylon matrix, imparting excellent abrasion resistance, flexibility, elasticity, aging resistance, and low-temperature processing stability to the nylon webbing. Modified PA66, prepared from PA66, styrene-octene-glycidyl methacrylate copolymer, polyphenylene ether grafted maleic anhydride, and a flexibility agent, enhances the compatibility and interlacing dispersion properties of the nylon matrix, further improving the overall performance of the nylon webbing. Adhesive stabilizers exhibit good synergistic effects with the nylon matrix, further dispersing within it and increasing the molecular chain interlacing density of the resulting nylon elastic fibers, thereby improving the nylon webbing's anti-fraying properties, flexibility, elasticity, and resistance to deformation. Plasticizers penetrate and disperse into the nylon matrix, enhancing the processing stability of each component. Antioxidants disperse into the nylon matrix, improving the aging resistance of the nylon webbing. Colorants impart different colors to the nylon webbing, enhancing its color diversity.

[0017] Preferably, the modified PA66 is prepared from the following raw materials in parts by weight:

[0018] PA66 80-100 servings

[0019] 15-25 parts of styrene-octene-glycidyl methacrylate copolymer

[0020] 10-16 parts of polyphenylene ether grafted with maleic anhydride

[0021] 12-18 parts of flexibility agent.

[0022] By adopting the above technical solutions, PA66 itself possesses certain strength, wear resistance, and toughness, providing a basic mechanical property for modified PA66. Styrene-octene-glycidyl methacrylate copolymer has good flexibility and compatibility, improving the toughness and processing performance of PA66. Polyphenylene ether grafted with maleic anhydride has excellent heat resistance and chemical stability, enhancing the heat resistance and stability of modified PA66. Flexing agents increase the flexibility of nylon elastic fibers, making modified PA66 softer and more elastic. These three components work synergistically, resulting in nylon elastic fibers that, when used to make nylon webbing, maintain good elasticity and flexibility even under prolonged contact with human sweat or frequent stretching, retaining good anti-fraying properties and resisting deformation.

[0023] Preferably, the flexibility agent is composed of dibutyl itaconic acid and dodecyl glycidyl ether in a weight ratio of 1:(2-3).

[0024] By adopting the above technical solution, itaconic acid dibutyl ester has good flexibility and plasticizing properties, and dodecyl glycidyl ether has long-chain molecular flexibility, which can fully synergize with itaconic acid dibutyl ester to further enhance the flexibility and elasticity of nylon webbing. This allows nylon webbing to not only maintain its non-fraying properties when in long-term contact with human sweat or frequent stretching, but also better resist deformation and improve overall performance.

[0025] Preferably, the modified PA66 is prepared by the following steps:

[0026] A flexibility agent was added to PA66, and the mixture was heated and kneaded. Then, a styrene-octene-glycidyl methacrylate copolymer and polyphenylene ether grafted maleic anhydride were added for melt extrusion molding, cooling, and pelletizing to obtain modified PA66.

[0027] By adopting the above technical solution, the flexibility agent is first added to PA66 and heated and kneaded to fully integrate the flexibility agent with PA66 and improve the compatibility of PA66 in the system. Then, styrene-octene-glycidyl methacrylate copolymer and polyphenylene ether grafted maleic anhydride are added for melt extrusion molding. After cooling and pelletizing, a modified PA66 with uniform dispersion and stable performance is obtained.

[0028] Preferably, the melt extrusion temperature is 240-260℃.

[0029] By adopting the above technical solution, the melt extrusion temperature is controlled within the optimal range of 240-260℃, which enables the raw materials of modified PA66 to fully fuse and react, ensuring the stable performance of the modified PA66, thereby guaranteeing the good quality of the nylon elastic fibers produced subsequently and improving the overall performance of nylon webbing.

[0030] Preferably, the adhesive stabilizer is composed of an ethylene-acrylate-glycidyl ester terpolymer and o-diallyl bisphenol A diglycidyl ether in a weight ratio of 1:(1.5-2.5).

[0031] By adopting the above technical solution, using ethylene-acrylate-glycidyl ester terpolymer and o-diallyl bisphenol A diglycidyl ether in a better weight ratio as adhesive stabilizers, it can be uniformly dispersed in the nylon matrix, improving the interweaving and dispersion uniformity of the nylon matrix. During the hot-pressing plasticization process, it enhances the adhesion between the nylon elastic fibers of the nylon webbing. When the nylon webbing is in long-term contact with human sweat or is frequently stretched, it can effectively prevent the webbing edges from fraying. At the same time, due to the flexible chain segment structure of the adhesive stabilizer, the flexibility and elasticity of the nylon webbing are improved, thus making the nylon webbing less prone to deformation.

[0032] Preferably, the plasticizer is one or a combination of tributyl citrate, epoxidized soybean oil, and trioctyl citrate, and the antioxidant is antioxidant 1010 and / or antioxidant 168.

[0033] By adopting the above technical solution and selecting one or a combination of tributyl citrate, epoxidized soybean oil, and trioctyl citrate as plasticizers, the resulting nylon elastic fibers, after being woven into nylon tapes and hot-pressed for plasticizing, possess better flexibility and plasticity, enhancing the elasticity of the nylon webbing. Furthermore, the use of antioxidants 1010 and / or 168 as antioxidants effectively inhibits the oxidation reaction of modified PA66, PA12, PA1212, and other raw materials during processing and use, improving the stability and durability of the nylon webbing. This allows the nylon webbing to maintain good elasticity and prevent edge fray and deformation even under prolonged contact with human sweat or frequent stretching.

[0034] Preferably, the nylon elastic fiber is obtained by the following steps: melt spinning modified PA66, PA12, PA1212, adhesive stabilizer, plasticizer, antioxidant and colorant to obtain nylon elastic fiber.

[0035] By adopting the above technical solution and using melt spinning process to prepare nylon elastic fibers, the obtained nylon elastic fibers have good system uniformity and elasticity, good surface smoothness, and the quality of the nylon webbing is good.

[0036] Secondly, this application provides a method for preparing a high-strength nylon webbing for smart wearable devices that prevents fraying, comprising the following steps:

[0037] S1. Nylon elastic fibers are woven together to obtain a nylon belt;

[0038] S2. The nylon webbing is placed in a hot press and subjected to hot pressing, plasticizing, and cooling to obtain a high-strength nylon webbing for smart wearables that prevents fraying.

[0039] By adopting the above technical solution, nylon elastic fibers are first woven to make a nylon tape with a stable structure, softness and comfort, which can maintain a certain elasticity when stretched. Then, it is hot-pressed and plasticized. Under the action of hot pressing, the contact surface of the nylon tape becomes thinner, and the nylon elastic fibers are fully contacted and melted together to obtain a nylon webbing with uniform thickness and stable adhesion.

[0040] Preferably, the hot-pressing temperature is 190-210℃, the hot-pressing pressure is 0.2-0.5MPa, and the hot-pressing time is 30-60s.

[0041] By adopting the above technical solution, the better hot pressing conditions can make the nylon webbing uniformly and stably plasticized. The hot pressing temperature should be lower than the melting processing temperature so that the surface of the nylon webbing melts uniformly without affecting the overall performance of the nylon webbing, thereby improving the anti-fraying performance and overall elastic stability of the nylon webbing.

[0042] In summary, this application includes at least one of the following beneficial technical effects:

[0043] 1. The high-strength nylon webbing for smart wearables of this application is made by hot-pressing and plasticizing a nylon webbing body woven from nylon elastic fibers. The nylon elastic fibers use modified PA66, PA12 and PA1212 as the nylon matrix, and are compounded with adhesive stabilizers, plasticizers, antioxidants and colorants. The resulting nylon webbing is used in smart wearable products. Even after long-term contact with human sweat or frequent stretching, there will be no problem of frayed edges. It has good elasticity and is not easily deformed.

[0044] 2. Modified PA66 is prepared by PA66, styrene-octene-glycidyl methacrylate copolymer, polyphenylene ether grafted maleic anhydride and a flexibility agent. The flexibility agent is prepared by itaconic acid dibutyl ester and dodecyl glycidyl ether. The modified PA66 prepared has good strength and wear resistance, while maintaining good system compatibility and flexibility. It further improves the bonding stability of the prepared nylon elastic fiber during hot pressing and plasticizing, thereby improving the elasticity, anti-fraying and non-deformation properties of nylon webbing.

[0045] 3. Using ethylene-acrylate-glycidyl ester terpolymer and o-diallyl bisphenol A diglycidyl ether as adhesive stabilizers can further improve the elasticity and hot-press adhesion of nylon elastic fibers, thereby enhancing the elasticity, anti-fraying properties and deformation resistance of nylon webbing.

[0046] 4. The preparation method of this application involves first weaving nylon elastic fibers to form a nylon tape with a stable structure, and then hot-pressing and plasticizing it to melt-bond the nylon elastic fibers of the nylon tape, thereby obtaining a high-strength nylon webbing with anti-fraying edge. Attached Figure Description

[0047] Figure 1 This is a schematic diagram of the structure of a high-strength nylon webbing for smart wearable devices that prevents fraying, according to Embodiment 1 of this application. Detailed Implementation

[0048] The following is in conjunction with the appendix Figure 1 The present application will be further described in detail with reference to the embodiments.

[0049] The following are some of the sources and specifications of the raw materials used in this application. The raw materials used in the preparation examples and embodiments of this application can all be obtained commercially, including but not limited to the following models and manufacturers of raw materials. Raw materials with equivalent performance can also be used:

[0050] 1. PA66: DuPont Zytel 103HSL (USA);

[0051] 2. PA12: Wanhua Chemical PA12 L3000;

[0052] 3. PA1212: Foshan Ruisheng Plastics, melting point 182-191℃;

[0053] 4. Styrene-octene-glycidyl methacrylate copolymer: Jia Yi Rong, SOG-02;

[0054] 5. Polyphenylene ether grafted with maleic anhydride: Jia Yi Rong, FB820;

[0055] 6. Ethylene-acrylate-glycidyl ester terpolymer: DowDuPont DOW, 4170;

[0056] 7. Styrene grafted with maleic anhydride: Créville, France, 3000P.

[0057] Preparation example of modified PA66

[0058] Preparation Example 1

[0059] Preparation Example 1 discloses a modified PA66, which is prepared by the following steps: 1.2 kg of itaconic acid dibutyl ester as a flexibility agent is added to 8 kg of PA66, the mixture is heated to 140°C and kneaded for 40 min, then 2.5 kg of styrene-octene-glycidyl methacrylate copolymer and 1 kg of polyphenylene ether grafted maleic anhydride are added, and the mixture is melt-extruded using a twin-screw extruder. The temperature is controlled as follows: Zone 1 240°C, Zone 2 245°C, Zone 3 260°C, Zone 4 255°C, Zone 5 250°C, Zone 6 245°C, water cooling, pelletizing, and modified PA66 is obtained.

[0060] Preparation Examples 2-3

[0061] The difference between Preparation Example 2-3 and Preparation Example 1 lies in the amount of raw materials used and the preparation conditions, as detailed in Table 1 below.

[0062] Table 1. Parameters for Preparation Examples 1-3

[0063]

[0064]

[0065] Preparation Example 4

[0066] The difference between Preparation Example 4 and Preparation Example 1 is that the flexibility agent is composed of dibutyl itaconic acid and dodecyl glycidyl ether in a weight ratio of 1:2, while the rest is the same as Preparation Example 1.

[0067] Preparation Example 5

[0068] The difference between Preparation Example 5 and Preparation Example 1 is that the flexibility agent is composed of dibutyl itaconic acid and dodecyl glycidyl ether in a weight ratio of 1:3, while the rest is the same as Preparation Example 1.

[0069] Preparation of Comparative Example 1

[0070] The difference between Comparative Example 1 and Preparation Example 1 is that the styrene-octene-glycidyl methacrylate copolymer was replaced with an equal amount of styrene-grafted maleic anhydride, while the rest was the same as Preparation Example 1.

[0071] Preparation of Comparative Example 2

[0072] The difference between Comparative Example 2 and Preparation Example 1 is that the polyphenylene ether grafted with maleic anhydride was replaced with an equal amount of styrene-octene-glycidyl methacrylate copolymer, while the rest was the same as Preparation Example 1.

[0073] Example

[0074] Example 1

[0075] Example 1 discloses a high-strength nylon webbing for smart wearable devices to prevent fraying, referring to... Figure 1It is formed by hot pressing and plasticizing nylon tape, which is woven from nylon elastic fibers of at least one color.

[0076] This anti-fraying high-strength nylon webbing for smart wearables is produced by the following steps:

[0077] S1. 300D nylon elastic fibers are woven using a twill weave process to obtain a nylon tape body;

[0078] S2. Place the nylon tape in a hot press and hot press it at a temperature of 190℃ and a pressure of 0.5MPa for 60 seconds. Then cool it to obtain a high-strength nylon webbing for smart wearables that prevents fraying.

[0079] Nylon elastic fibers are obtained by the following steps:

[0080] 4.5 kg of modified PA66, 1.8 kg of PA12, 0.7 kg of PA1212, and 0.5 kg of ethylene-acrylate-glycidyl ester terpolymer prepared in Preparation Example 1 were used as adhesive stabilizers, 2 kg of tributyl citrate was used as plasticizer, 0.1 kg of antioxidant (antioxidant 1010 and antioxidant 168 = 2:1) and 0.03 kg of colorant were used for melt spinning using a melt spinning machine at a melting temperature of 200°C and a spinning temperature of 240°C to obtain nylon elastic fibers.

[0081] Example 2-3

[0082] The difference between Examples 2-3 and Example 1 lies in the amount of raw materials used and the preparation process parameters, as detailed in Table 2 below.

[0083] Table 2 Parameter table for Examples 1-3

[0084]

[0085]

[0086] Example 4

[0087] The difference between Example 4 and Example 1 is that the modified PA66 is derived from Preparation Example 4, while the rest is the same as Example 1.

[0088] Example 5

[0089] The difference between Example 5 and Example 1 is that the modified PA66 is derived from Preparation Example 5, while the rest is the same as Example 1.

[0090] Example 6

[0091] The difference between Example 6 and Example 4 is that the adhesive stabilizer is composed of an ethylene-acrylate-glycidyl ester terpolymer and o-diallyl bisphenol A diglycidyl ether in a weight ratio of 1:1.5. Otherwise, it is the same as Example 4.

[0092] Example 7

[0093] The difference between Example 7 and Example 4 is that the adhesive stabilizer is composed of an ethylene-acrylate-glycidyl ester terpolymer and o-diallyl bisphenol A diglycidyl ether in a weight ratio of 1:2.5. Otherwise, it is the same as Example 4.

[0094] Example 8

[0095] The difference between Example 8 and Example 6 is that the ethylene-acrylate-glycidyl terpolymer is replaced with an equal amount of phenylethyl-grafted maleic anhydride copolymer, while the rest is the same as in Example 6.

[0096] Comparative Example

[0097] Comparative Example 1

[0098] The difference between Comparative Example 1 and Example 1 is that the modified PA66 was derived from the preparation of Comparative Example 1, while the rest is the same as Example 1.

[0099] Comparative Example 2

[0100] The difference between Comparative Example 2 and Example 1 is that the modified PA66 was derived from the preparation of Comparative Example 2, while the rest is the same as Example 1.

[0101] Comparative Example 3

[0102] The difference between Comparative Example 3 and Example 1 is that the modified PA66 was replaced with an equal amount of PA66, while the rest is the same as Example 1.

[0103] Comparative Example 4

[0104] The difference between Comparative Example 4 and Example 1 is that PA1212 is replaced with an equal amount of PA12, while the rest is the same as Example 1.

[0105] Performance testing

[0106] The following tests were conducted on the performance of the anti-fraying high-strength nylon webbing for smart wearables prepared in Examples 1-8 and Comparative Examples 1-4:

[0107] 1. Resilience test

[0108] Using a tensile testing machine, the prepared nylon webbing was stretched to an elongation of 200% and subjected to 1000 cyclic stretching cycles. The deformation rate (unit: %) of the nylon webbing was tested, and it was observed whether the nylon webbing showed any frayed edges after 1000 stretching cycles. The deformation rate was calculated as (length after test - length before test) / length before test * 100%, and the test results were recorded.

[0109] 2. Sweat resistance test:

[0110] Soak the nylon webbing in neutral standard artificial sweat at 35℃ for 24 hours, dry it, and use a tensile testing machine to stretch it to 200% elongation. Circulate the rope 1000 times to test the deformation rate (unit: %) of the nylon webbing and observe whether the nylon webbing shows any frayed edges after 1000 stretches. Deformation rate = (length after test - length before test) / length before test * 100%. Record the test results.

[0111] The following are the performance test data of the anti-fraying high-strength nylon webbing for smart wearables prepared in Examples 1-8 and Comparative Examples 1-4. Please refer to Table 4 below for details.

[0112] Table 4 Performance data of anti-fraying high-strength nylon webbing for smart wearables prepared in Examples 1-8 and Comparative Examples 1-4

[0113]

[0114] Based on Examples 1-3 and 4-5, Comparative Examples 1-3, and Table 4, it can be concluded that the nylon webbing prepared using the modified PA66 of this application has good resilience, is not easily deformed, and is not prone to fraying. Compared with Example 1, the deformation rate of the nylon webbing prepared in Examples 4-5 is reduced, and the deformation rate is significantly reduced after sweat resistance testing, indicating that the modified PA66 prepared using a flexibility agent made from itaconic acid dibutyl ester and dodecyl glycidyl ether can improve the flexibility and elasticity of the nylon webbing. In contrast, in Comparative Examples 1-2, the synergistic components of styrene-octene-glycidyl methacrylate copolymer, polyphenylene ether grafted maleic anhydride, and the flexibility agent were modified, resulting in an increased deformation rate and partial fraying of the nylon webbing. After being soaked in sweat, the deformation rate was significantly increased, and significant fraying occurred. In Comparative Example 3, PA66 was directly compounded with the system, and the resulting nylon webbing showed a significantly increased deformation rate and obvious frayed edges. This may be because the preparation of the modified PA66 was changed, which significantly reduced the elasticity and flexibility of the resulting nylon webbing. During frequent stretching, excessive deformation caused the frayed edges.

[0115] Based on Examples 4 and 6-8 and Table 4, it can be concluded that the anti-fraying performance of nylon webbing is significantly improved and the deformation rate is reduced when using the adhesive stabilizer prepared by the present application, which is made from ethylene-acrylate-glycidyl ester terpolymer and o-diallyl bisphenol A diglycidyl ether.

[0116] Based on Example 1 and Comparative Example 4, and referring to Table 4, it can be concluded that the nylon webbing made using modified PA66, PA12, and PA1212 as the nylon matrix of this application exhibits good elasticity, resistance to deformation, and anti-fraying properties. In Comparative Example 4, replacing PA1212 with PA12 resulted in an increased deformation rate of the nylon webbing, and some fraying occurred after the rebound test.

[0117] This specific embodiment is merely an explanation of this application and is not intended to limit it. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but such modifications are protected by patent law as long as they fall within the scope of the claims of this application.

Claims

1. A high-strength nylon webbing for smart wearable devices to prevent fraying, characterized in that, The material is formed by hot pressing and plasticizing a nylon belt. The nylon belt is woven from nylon elastic fibers, which are obtained from the following raw materials in parts by weight: Modified PA66 45-55 parts PA12 18-28 servings PA1212 7-12 servings 4-7 parts of adhesive stabilizer 20-30 parts plasticizer 1-3 parts antioxidant Pigment 0.3-1.5 parts; The modified PA66 is obtained from the following raw materials in parts by weight: PA66 80-100 servings 15-25 parts of styrene-octene-glycidyl methacrylate copolymer 10-16 parts of polyphenylene ether grafted with maleic anhydride 12-18 parts of flexibility agent; The flexibility agent is composed of dibutyl itaconic acid and dodecyl glycidyl ether in a weight ratio of 1:(2-3); the adhesive stabilizer is composed of ethylene-acrylate-glycidyl ester terpolymer and o-diallyl bisphenol A diglycidyl ether in a weight ratio of 1:(1.5-2.5).

2. The high-strength nylon webbing for smart wearable devices with anti-fraying edges as described in claim 1, characterized in that: The modified PA66 is prepared by the following steps: A flexibility agent was added to PA66, and the mixture was heated and kneaded. Then, a styrene-octene-glycidyl methacrylate copolymer and polyphenylene ether grafted maleic anhydride were added for melt extrusion molding, cooling, and pelletizing to obtain modified PA66.

3. The high-strength nylon webbing for smart wearable devices with anti-fraying edges as described in claim 2, characterized in that: The melt extrusion temperature is 240-260℃.

4. The anti-fraying high-strength nylon webbing for smart wearables according to claim 1, characterized in that: The plasticizer is one or a combination of tributyl citrate, epoxidized soybean oil, and trioctyl citrate, and the antioxidant is antioxidant 1010 and / or antioxidant 168.

5. The high-strength nylon webbing for smart wearable devices with anti-fraying edges as described in claim 1, characterized in that: The nylon elastic fiber is obtained by the following steps: melt spinning modified PA66, PA12, PA1212, adhesive stabilizer, plasticizer, antioxidant and colorant to obtain nylon elastic fiber.

6. A method for preparing a high-strength nylon webbing for smart wearable devices with anti-fraying edges as described in any one of claims 1-5, characterized in that: Includes the following steps: S1. Nylon elastic fibers are woven together to obtain a nylon belt; S2. The nylon webbing is placed in a hot press and subjected to hot pressing, plasticizing, and cooling to obtain a high-strength nylon webbing for smart wearables that prevents fraying.

7. The method for preparing a high-strength nylon webbing for smart wearable devices with anti-fraying edges according to claim 6, characterized in that: The hot pressing temperature is 190-210℃, the hot pressing pressure is 0.2-0.5MPa, and the hot pressing time is 30-60s.

Images