Breathable sole structure and use method thereof

Abstract

The invention relates to the technical field of breathable shoe soles, in particular to a breathable shoe sole structure and a using method thereof, and the breathable shoe sole structure comprises the following raw materials in parts by weight: 45-50 parts of butadiene rubber, 15-20 parts of natural rubber, 7-11 parts of butadiene styrene rubber and 7-10 parts of a processing aid. According to the breathable shoe sole structure, butadiene rubber, natural rubber and butadiene styrene rubber are adopted as matrixes, the processing aid is adopted as a functional aid for cooperation, meanwhile, the modified inserting agent and the modified nano whisker agent are added for blending and cooperation, the breathability, elasticity and wear resistance of a product are improved in a balanced mode, and the weather resistance and folding resistance stability of the product are remarkable.

Description

Technical Field

[0001] The present invention relates to the technical field of breathable soles, and in particular to a breathable sole structure and a use method thereof. Background Art

[0002] The performance of the sole is crucial for both daily wear and various sports. A high-quality sole must not only offer excellent wear resistance to withstand frequent friction and ground impact, but also possess high elasticity to provide comfortable support and cushioning for the feet, reducing the risk of sports injuries.

[0003] In the existing technology, in order to optimize the air permeability of the sole, it is difficult to improve the elasticity and wear resistance of the product. It is difficult to improve the air permeability, elasticity and wear resistance of the product in a balanced manner, and the product has poor weather resistance and folding stability, which limits the product's use efficiency. Summary of the Invention

[0004] In view of the defects of the prior art, the purpose of the present invention is to provide a breathable sole structure and a method of using the same to solve the problems raised in the above background technology.

[0005] The present invention solves the technical problem by adopting the following technical solutions: The present invention provides a breathable sole structure, which comprises the following raw materials in parts by weight: 45 to 50 parts of butadiene rubber, 15 to 20 parts of natural rubber, 7 to 11 parts of styrene-butadiene rubber, and 7 to 10 parts of a processing aid; The breathable sole structure further comprises 7 to 11 parts of a modified intercalation agent and 4 to 7 parts of a modified nano whisker agent.

[0006] Preferably, the processing aids are white carbon black, calcium stearate, zinc oxide, sulfur and accelerator TMTD; the specific weight parts are as follows: 4-7 parts of white carbon black, 3-5 parts of calcium stearate, 2-5 parts of zinc oxide, 1-3 parts of sulfur and 2-5 parts of accelerator TMTD.

[0007] Preferably, the preparation method of the modified intercalant is: S1: 3-5 parts of montmorillonite, 2-3 parts of lanthanum chloride solution and 1-2 parts of silicon carbide are uniformly mixed to obtain a montmorillonite solution; S2: Preheating titanium dioxide at 55-60° C. for 1 hour to obtain preheated titanium dioxide, and uniformly blending 2-4 parts of the preheated titanium dioxide, 3-5 parts of sodium dodecylbenzenesulfonate solution, and 1-2 parts of silane coupling agent KH550 to obtain a titanium dioxide liquid; S3: mixing the hollow glass microspheres and mesoporous silica in a weight ratio of 3:(1-2) to obtain a mixed material; performing a first modification treatment on the mixed material and montmorillonite liquid in a weight ratio of 5:(2-3), filtering and drying after the treatment to obtain a first modified montmorillonite agent; S4: The first modified montmorillonite agent and titanium dioxide liquid are subjected to the second modification treatment in a weight ratio of 7: (3-5). After the treatment is completed, the modified intercalant is filtered and dried to obtain the modified intercalant.

[0008] Preferably, the mass fraction of the lanthanum chloride solution is 2-4%; the mass fraction of the sodium dodecylbenzenesulfonate solution is 5-8%.

[0009] Preferably, the ball milling speed of the first modification treatment is 350-400 r / min, and the ball milling is carried out for 2 hours; the ball milling speed of the second modification treatment is 750-800 r / min, and the ball milling is carried out for 5 hours.

[0010] Preferably, the preparation method of the modified nano whisker agent is: S11: stirring the nano-calcium sulfate whiskers in a sufficient amount of potassium permanganate solution, then washing, filtering, and drying to obtain pretreated nano-calcium sulfate whiskers; S12: The pretreated nano-calcium sulfate whiskers and the whisker agent are mixed and ball-milled in a weight ratio of 7:(3-5) at a ball-milling speed of 1000-1500 r / min for 2 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a modified nano-whisker agent.

[0011] Preferably, the mass fraction of the potassium permanganate solution is 8-12%.

[0012] Preferably, the whisker agent is prepared by fully blending nano-titanium oxide, nano-mica powder and dopamine hydrochloride solution in a weight ratio of 2:4:7; the mass fraction of the dopamine hydrochloride solution is 4-7%.

[0013] The present invention also provides a method for using the breathable sole structure, comprising the following steps: The raw materials are weighed according to parts by weight, mixed and kneaded, and then vulcanized and formed to obtain the breathable sole structure of the present invention. The breathable sole structure is used in running shoes.

[0014] Preferably, the mixing treatment temperature is 110-115° C., and the treatment time is 5 minutes; the vulcanization molding temperature is 155-165° C., the molding time is 90-100 minutes, and the molding pressure is 10-15 MPa.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The breathable sole structure of the present invention adopts butadiene rubber, natural rubber and styrene-butadiene rubber as a matrix, and is formulated with a processing aid as a functional additive, and a modified intercalation agent and a modified nano whisker agent are added for blending and synergistic blending, thereby optimizing and improving the balance among the air permeability, elasticity and wear resistance of the product, and significantly improving the weather resistance and folding stability of the product. Titanium dioxide is preheated and then blended with a sodium dodecylbenzenesulfonate solution and a silane coupling agent KH550, while hollow glass microspheres and mesoporous silica are blended and subjected to a first modification treatment with a montmorillonite solution, and then to a second modification treatment with a titanium dioxide solution. The raw materials are synergistically optimized and improved, thereby enhancing the performance coordination and stability of the product in the system. The modified nano whisker agent is prepared by ball milling a nano-calcium sulfate whisker, which is activated and improved with a potassium permanganate solution, and then blended with nano-titanium oxide, nano-mica powder and dopamine hydrochloride solution. The raw materials are synergistically optimized and improved, thereby further improving the product performance. DETAILED DESCRIPTION

[0016] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] A breathable sole structure of the present embodiment comprises the following raw materials in parts by weight: 45-50 parts of butadiene rubber, 15-20 parts of natural rubber, 7-11 parts of styrene-butadiene rubber, and 7-10 parts of processing aids; The breathable sole structure further comprises 7 to 11 parts of a modified intercalation agent and 4 to 7 parts of a modified nano whisker agent.

[0018] Preferably, the processing aids are white carbon black, calcium stearate, zinc oxide, sulfur and accelerator TMTD; the specific weight parts are as follows: 4-7 parts of white carbon black, 3-5 parts of calcium stearate, 2-5 parts of zinc oxide, 1-3 parts of sulfur and 2-5 parts of accelerator TMTD.

[0019] The preparation method of the modified intercalant of this embodiment is as follows: S1: 3-5 parts of montmorillonite, 2-3 parts of lanthanum chloride solution and 1-2 parts of silicon carbide are uniformly mixed to obtain a montmorillonite solution; S2: Preheating titanium dioxide at 55-60° C. for 1 hour to obtain preheated titanium dioxide, and uniformly blending 2-4 parts of the preheated titanium dioxide, 3-5 parts of sodium dodecylbenzenesulfonate solution, and 1-2 parts of silane coupling agent KH550 to obtain a titanium dioxide liquid; S3: mixing the hollow glass microspheres and mesoporous silica in a weight ratio of 3:(1-2) to obtain a mixed material; performing a first modification treatment on the mixed material and montmorillonite liquid in a weight ratio of 5:(2-3), filtering and drying after the treatment to obtain a first modified montmorillonite agent; S4: The first modified montmorillonite agent and titanium dioxide liquid are subjected to the second modification treatment in a weight ratio of 7: (3-5). After the treatment is completed, the modified intercalant is filtered and dried to obtain the modified intercalant.

[0020] The mass fraction of the lanthanum chloride solution in this embodiment is 2-4%; the mass fraction of the sodium dodecylbenzenesulfonate solution is 5-8%.

[0021] In this embodiment, the ball milling speed of the first modification treatment is 350-400 r / min, and the ball milling is carried out for 2 hours; the ball milling speed of the second modification treatment is 750-800 r / min, and the ball milling is carried out for 5 hours.

[0022] The preparation method of the modified nano whisker agent of this embodiment is: S11: stirring the nano-calcium sulfate whiskers in a sufficient amount of potassium permanganate solution, then washing, filtering, and drying to obtain pretreated nano-calcium sulfate whiskers; S12: The pretreated nano-calcium sulfate whiskers and the whisker agent are mixed and ball-milled in a weight ratio of 7:(3-5) at a ball-milling speed of 1000-1500 r / min for 2 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a modified nano-whisker agent.

[0023] The mass fraction of the potassium permanganate solution in this embodiment is 8-12%.

[0024] The whisker agent of this embodiment is prepared by fully blending nano-titanium oxide, nano-mica powder and dopamine hydrochloride solution in a weight ratio of 2:4:7; the mass fraction of the dopamine hydrochloride solution is 4-7%.

[0025] A method for using a breathable sole structure according to this embodiment includes the following steps: The raw materials are weighed according to parts by weight, mixed and kneaded, and then vulcanized and formed to obtain the breathable sole structure of the present invention. The breathable sole structure is used in running shoes.

[0026] The mixing temperature of this embodiment is 110-115° C., and the treatment time is 5 min. The vulcanization molding temperature is 155-165° C., the molding time is 90-100 min, and the molding pressure is 10-15 MPa.

[0027] Example 1. A breathable sole structure of this embodiment comprises the following raw materials in parts by weight: 45 parts of butadiene rubber, 15 parts of natural rubber, 7 parts of styrene-butadiene rubber, and 7 parts of a processing aid; The breathable sole structure further comprises 7 parts of a modified intercalation agent and 4 parts of a modified nano whisker agent.

[0028] Preferably, the processing aids are white carbon black, calcium stearate, zinc oxide, sulfur and accelerator TMTD; the specific weight parts are as follows: 4 parts of white carbon black, 3 parts of calcium stearate, 2 parts of zinc oxide, 1 part of sulfur and 2 parts of accelerator TMTD.

[0029] The preparation method of the modified intercalant of this embodiment is as follows: S1: 3 parts of montmorillonite, 2 parts of lanthanum chloride solution and 1 part of silicon carbide are mixed evenly to obtain a montmorillonite solution; S2: Preheat titanium dioxide at 55° C. for 1 hour to obtain preheated titanium dioxide, and evenly blend 2 parts of the preheated titanium dioxide, 3 parts of sodium dodecylbenzenesulfonate solution, and 1 part of silane coupling agent KH550 to obtain a titanium dioxide liquid; S3: mixing hollow glass microspheres and mesoporous silica in a weight ratio of 3:1 to obtain a mixed material; performing a first modification treatment on the mixed material and montmorillonite solution in a weight ratio of 5:2. After the treatment is completed, the mixture is filtered and dried to obtain a first modified montmorillonite agent; S4: The first modified montmorillonite agent and titanium dioxide liquid are subjected to a second modification treatment in a weight ratio of 7:3. After the treatment is completed, the modified intercalant is filtered and dried to obtain the modified intercalant.

[0030] The mass fraction of the lanthanum chloride solution in this embodiment is 2%; the mass fraction of the sodium dodecylbenzenesulfonate solution is 5%.

[0031] In the first modification process of this embodiment, the ball milling speed is 350 r / min and the ball milling is performed for 2 h; and the ball milling speed is 750 r / min and the ball milling is performed for 5 h in the second modification process.

[0032] The preparation method of the modified nano whisker agent of this embodiment is: S11: stirring the nano-calcium sulfate whiskers in a sufficient amount of potassium permanganate solution, then washing, filtering, and drying to obtain pretreated nano-calcium sulfate whiskers; S12: The pretreated nano-calcium sulfate whiskers and the whisker agent are mixed in a weight ratio of 7:3 and ball-milled thoroughly at a ball-milling speed of 1000 r / min for 2 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a modified nano-whisker agent.

[0033] The mass fraction of the potassium permanganate solution in this embodiment is 8%.

[0034] The whisker agent of this embodiment is prepared by fully blending nano-titanium oxide, nano-mica powder and dopamine hydrochloride solution in a weight ratio of 2:4:7; the mass fraction of the dopamine hydrochloride solution is 4%.

[0035] A method for using a breathable sole structure according to this embodiment includes the following steps: The raw materials are weighed according to parts by weight, mixed and kneaded, and then vulcanized and formed to obtain the breathable sole structure of the present invention. The breathable sole structure is used in running shoes.

[0036] The mixing temperature of this embodiment is 110° C., and the mixing time is 5 min. The vulcanization molding temperature is 155° C., the molding time is 90 min, and the molding pressure is 10 MPa.

[0037] Example 2. A breathable sole structure of this embodiment comprises the following raw materials in parts by weight: 50 parts of butadiene rubber, 20 parts of natural rubber, 11 parts of styrene-butadiene rubber, and 10 parts of a processing aid; The breathable sole structure further comprises 11 parts of a modified intercalation agent and 7 parts of a modified nano whisker agent.

[0038] Preferably, the processing aids are white carbon black, calcium stearate, zinc oxide, sulfur and accelerator TMTD; the specific weight parts are as follows: 7 parts of white carbon black, 5 parts of calcium stearate, 5 parts of zinc oxide, 3 parts of sulfur and 5 parts of accelerator TMTD.

[0039] The preparation method of the modified intercalant of this embodiment is as follows: S1: 5 parts of montmorillonite, 3 parts of lanthanum chloride solution and 2 parts of silicon carbide are mixed evenly to obtain a montmorillonite solution; S2: Preheating titanium dioxide at 60° C. for 1 h to obtain preheated titanium dioxide, and uniformly blending 4 parts of the preheated titanium dioxide, 5 parts of sodium dodecylbenzenesulfonate solution, and 2 parts of silane coupling agent KH550 to obtain a titanium dioxide liquid; S3: mixing hollow glass microspheres and mesoporous silica in a weight ratio of 3:2 to obtain a mixed material; performing a first modification treatment on the mixed material and montmorillonite liquid in a weight ratio of 5:3. After the treatment is completed, filtering and drying are performed to obtain a first modified montmorillonite agent; S4: The first modified montmorillonite agent and titanium dioxide liquid are subjected to a second modification treatment in a weight ratio of 7:5. After the treatment is completed, the modified intercalant is filtered and dried to obtain the modified intercalant.

[0040] The mass fraction of the lanthanum chloride solution in this embodiment is 4%; the mass fraction of the sodium dodecylbenzenesulfonate solution is 8%.

[0041] In the first modification process of this embodiment, the ball milling speed is 400 r / min, and the ball milling is performed for 2 h; the ball milling speed of the second modification process is 800 r / min, and the ball milling is performed for 5 h.

[0042] The preparation method of the modified nano whisker agent of this embodiment is: S11: stirring the nano-calcium sulfate whiskers in a sufficient amount of potassium permanganate solution, then washing, filtering, and drying to obtain pretreated nano-calcium sulfate whiskers; S12: The pretreated nano-calcium sulfate whiskers and the whisker agent are mixed in a weight ratio of 7:5 and ball-milled thoroughly at a ball-milling speed of 1500 r / min for 2 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a modified nano-whisker agent.

[0043] The mass fraction of the potassium permanganate solution in this embodiment is 12%.

[0044] The whisker agent of this embodiment is prepared by fully blending nano-titanium oxide, nano-mica powder and dopamine hydrochloride solution in a weight ratio of 2:4:7; the mass fraction of the dopamine hydrochloride solution is 7%.

[0045] A method for using a breathable sole structure according to this embodiment includes the following steps: The raw materials are weighed according to parts by weight, mixed and kneaded, and then vulcanized and formed to obtain the breathable sole structure of the present invention. The breathable sole structure is used in running shoes.

[0046] The mixing temperature of this embodiment is 115° C., and the mixing time is 5 min. The vulcanization molding temperature is 165° C., the molding time is 100 min, and the molding pressure is 15 MPa.

[0047] Example 3. A breathable sole structure of this embodiment comprises the following raw materials in parts by weight: 47.5 parts of butadiene rubber, 17.5 parts of natural rubber, 9 parts of styrene-butadiene rubber, and 8.5 parts of a processing aid; The breathable sole structure further comprises 9 parts of a modified intercalation agent and 5.5 parts of a modified nano whisker agent.

[0048] Preferably, the processing aids are white carbon black, calcium stearate, zinc oxide, sulfur and accelerator TMTD; the specific weight parts are as follows: 5.5 parts of white carbon black, 4 parts of calcium stearate, 3.5 parts of zinc oxide, 2 parts of sulfur and 3.5 parts of accelerator TMTD.

[0049] The preparation method of the modified intercalant of this embodiment is as follows: S1: 4 parts of montmorillonite, 2.5 parts of lanthanum chloride solution and 1.5 parts of silicon carbide are mixed uniformly to obtain a montmorillonite solution; S2: Preheat titanium dioxide at 57.5°C for 1 hour to obtain preheated titanium dioxide, and evenly blend 3 parts of the preheated titanium dioxide, 4 parts of sodium dodecylbenzenesulfonate solution, and 1.5 parts of silane coupling agent KH550 to obtain a titanium dioxide liquid; S3: mixing hollow glass microspheres and mesoporous silica in a weight ratio of 3:1.5 to obtain a mixed material; performing a first modification treatment on the mixed material and montmorillonite solution in a weight ratio of 5:2.5. After the treatment is completed, filtering and drying are performed to obtain a first modified montmorillonite agent; S4: The first modified montmorillonite agent and titanium dioxide liquid are subjected to a second modification treatment in a weight ratio of 7:4. After the treatment is completed, the modified intercalant is filtered and dried to obtain the modified intercalant.

[0050] The mass fraction of the lanthanum chloride solution in this embodiment is 3%; the mass fraction of the sodium dodecylbenzenesulfonate solution is 6.5%.

[0051] In the first modification process of this embodiment, the ball milling speed is 370 r / min and the ball milling is performed for 2 h; the ball milling speed of the second modification process is 775 r / min and the ball milling is performed for 5 h.

[0052] The preparation method of the modified nano whisker agent of this embodiment is: S11: stirring the nano-calcium sulfate whiskers in a sufficient amount of potassium permanganate solution, then washing, filtering, and drying to obtain pretreated nano-calcium sulfate whiskers; S12: The pretreated nano-calcium sulfate whiskers and the whisker agent are mixed in a weight ratio of 7:4 and ball-milled thoroughly at a ball-milling speed of 1250 r / min for 2 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a modified nano-whisker agent.

[0053] The mass fraction of the potassium permanganate solution in this embodiment is 10%.

[0054] The whisker agent of this embodiment is prepared by fully blending nano-titanium oxide, nano-mica powder and dopamine hydrochloride solution in a weight ratio of 2:4:7; the mass fraction of the dopamine hydrochloride solution is 5.5%.

[0055] A method for using a breathable sole structure according to this embodiment includes the following steps: The raw materials are weighed according to parts by weight, mixed and kneaded, and then vulcanized and formed to obtain the breathable sole structure of the present invention. The breathable sole structure is used in running shoes.

[0056] The mixing temperature of this embodiment is 112° C., and the mixing time is 5 min. The vulcanization molding temperature is 160° C., the molding time is 5 min, and the molding pressure is 12.5 MPa.

[0057] Example 4. A breathable sole structure of this embodiment comprises the following raw materials in parts by weight: 47 parts of butadiene rubber, 16 parts of natural rubber, 8 parts of styrene-butadiene rubber, and 8 parts of a processing aid; The breathable sole structure further comprises 8 parts of a modified intercalation agent and 5 parts of a modified nano whisker agent.

[0058] Preferably, the processing aids are white carbon black, calcium stearate, zinc oxide, sulfur and accelerator TMTD; the specific weight parts are as follows: 5 parts of white carbon black, 4 parts of calcium stearate, 3 parts of zinc oxide, 2 parts of sulfur and 3 parts of accelerator TMTD.

[0059] The preparation method of the modified intercalant of this embodiment is as follows: S1: 4 parts of montmorillonite, 3 parts of lanthanum chloride solution and 1 part of silicon carbide are mixed evenly to obtain a montmorillonite solution; S2: Preheat titanium dioxide at 57° C. for 1 hour to obtain preheated titanium dioxide, and evenly blend 3 parts of the preheated titanium dioxide, 4 parts of sodium dodecylbenzenesulfonate solution, and 1 part of silane coupling agent KH550 to obtain a titanium dioxide liquid; S3: mixing hollow glass microspheres and mesoporous silica in a weight ratio of 3:1.2 to obtain a mixed material; performing a first modification treatment on the mixed material and montmorillonite solution in a weight ratio of 5:2.2. After the treatment is completed, filtering and drying to obtain a first modified montmorillonite agent; S4: The first modified montmorillonite agent and titanium dioxide liquid are subjected to a second modification treatment in a weight ratio of 7:4. After the treatment is completed, the modified intercalant is filtered and dried to obtain the modified intercalant.

[0060] The mass fraction of the lanthanum chloride solution in this embodiment is 3%; the mass fraction of the sodium dodecylbenzenesulfonate solution is 6%.

[0061] In the first modification process of this embodiment, the ball milling speed is 360 r / min and the ball milling is performed for 2 h; and the ball milling speed is 760 r / min and the ball milling is performed for 5 h in the second modification process.

[0062] The preparation method of the modified nano whisker agent of this embodiment is: S11: stirring the nano-calcium sulfate whiskers in a sufficient amount of potassium permanganate solution, then washing, filtering, and drying to obtain pretreated nano-calcium sulfate whiskers; S12: The pretreated nano-calcium sulfate whiskers and the whisker agent are mixed in a weight ratio of 7:4 and ball-milled thoroughly at a ball-milling speed of 1260 r / min for 2 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a modified nano-whisker agent.

[0063] The mass fraction of the potassium permanganate solution in this embodiment is 9%.

[0064] The whisker agent of this embodiment is prepared by fully blending nano-titanium oxide, nano-mica powder and dopamine hydrochloride solution in a weight ratio of 2:4:7; the mass fraction of the dopamine hydrochloride solution is 5%.

[0065] A method for using a breathable sole structure according to this embodiment includes the following steps: The raw materials are weighed according to parts by weight, mixed and kneaded, and then vulcanized and formed to obtain the breathable sole structure of the present invention. The breathable sole structure is used in running shoes.

[0066] The mixing temperature of this embodiment is 112° C., and the mixing time is 5 min. The vulcanization molding temperature is 158° C., the molding time is 95 min, and the molding pressure is 12 MPa.

[0067] Comparative Example 1. The difference from Example 3 is that no modified intercalant is added.

[0068] Comparative Example 2. The difference from Example 3 is that no montmorillonite solution was added during the preparation of the modified intercalant.

[0069] Comparative Example 3. Different from Example 3, no montmorillonite and silicon carbide were added to the montmorillonite solution.

[0070] Comparative Example 4. The difference from Example 3 is that no titanium dioxide liquid is added during the preparation of the modified intercalant.

[0071] Comparative Example 5. The difference from Example 3 is that no modified nano whisker agent is added.

[0072] Comparative Example 6. The difference from Example 3 is that no nano-titanium oxide or nano-mica powder is added in the preparation of the whisker agent.

[0073] Conventional performance tests of the products of Examples 1-4 and Comparative Examples 1-6, as well as weather resistance and folding resistance tests (products were tested at 100W / m Irradiation under UV power for 48 hours, flexion angle of 50 degrees, flexion times of 10,000 times, flexion frequency of 230 times / minute), the test results are as follows From Examples 1-5 and Comparative Examples 1-6, it can be concluded that the product of the present invention can achieve coordinated improvements in air permeability, wear resistance, and high elasticity, while the product has significant stability effects in weather resistance and folding resistance; Without adding either the modified intercalant or the modified nano whisker, the product's performance deteriorates significantly. The synergistic effect of the two agents is the most significant. No montmorillonite liquid was added in the preparation of the modified interpolant, no montmorillonite and silicon carbide were added to the montmorillonite liquid, no titanium dioxide liquid was added in the preparation of the modified interpolant, and no nano-titanium oxide and nano-mica powder were added in the preparation of the whisker agent. The performance of the products all tended to deteriorate. Only the product raw materials obtained by the method of the present invention had the most significant performance effect.

[0074] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be embraced therein.

[0075] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A breathable sole structure, characterized in that: The breathable sole structure comprises the following raw materials in parts by weight: 45-50 parts of butadiene rubber, 15-20 parts of natural rubber, 7-11 parts of styrene-butadiene rubber, and 7-10 parts of processing aids; The breathable sole structure further comprises 7 to 11 parts of a modified intercalation agent and 4 to 7 parts of a modified nano whisker agent.

2. A breathable sole structure according to claim 1, characterized in that: The processing aids are white carbon black, calcium stearate, zinc oxide, sulfur and accelerator TMTD; the specific weight parts are as follows: 4-7 parts of white carbon black, 3-5 parts of calcium stearate, 2-5 parts of zinc oxide, 1-3 parts of sulfur and 2-5 parts of accelerator TMTD.

3. The breathable sole structure according to claim 1, characterized in that: The preparation method of the modified intercalant is as follows: S1: 3-5 parts of montmorillonite, 2-3 parts of lanthanum chloride solution and 1-2 parts of silicon carbide are uniformly mixed to obtain a montmorillonite solution; S2: Preheating titanium dioxide at 55-60° C. for 1 hour to obtain preheated titanium dioxide, and uniformly blending 2-4 parts of the preheated titanium dioxide, 3-5 parts of sodium dodecylbenzenesulfonate solution, and 1-2 parts of silane coupling agent KH550 to obtain a titanium dioxide liquid; S3: mixing the hollow glass microspheres and mesoporous silica in a weight ratio of 3:(1-2) to obtain a mixed material; performing a first modification treatment on the mixed material and montmorillonite liquid in a weight ratio of 5:(2-3), filtering and drying after the treatment to obtain a first modified montmorillonite agent; S4: The first modified montmorillonite agent and titanium dioxide liquid are subjected to the second modification treatment in a weight ratio of 7: (3-5). After the treatment is completed, the modified intercalant is filtered and dried to obtain the modified intercalant.

4. The breathable sole structure according to claim 3, characterized in that: The mass fraction of the lanthanum chloride solution is 2-4%; the mass fraction of the sodium dodecylbenzenesulfonate solution is 5-8%.

5. The breathable sole structure according to claim 3, characterized in that: The ball milling speed of the first modification treatment is 350-400 r / min, and the ball milling is carried out for 2 hours; the ball milling speed of the second modification treatment is 750-800 r / min, and the ball milling is carried out for 5 hours.

6. The breathable sole structure according to claim 3, characterized in that: The preparation method of the modified nano whisker agent is: S11: stirring the nano-calcium sulfate whiskers in a sufficient amount of potassium permanganate solution, then washing, filtering, and drying to obtain pretreated nano-calcium sulfate whiskers; S12: The pretreated nano-calcium sulfate whiskers and the whisker agent are mixed and ball-milled in a weight ratio of 7:(3-5) at a ball-milling speed of 1000-1500 r / min for 2 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a modified nano-whisker agent.

7. The breathable sole structure according to claim 6, characterized in that: The mass fraction of the potassium permanganate solution is 8-12%.

8. The breathable sole structure according to claim 6, characterized in that: The whisker agent is prepared by fully blending nano titanium oxide, nano mica powder and dopamine hydrochloride solution in a weight ratio of 2:4:7; the mass fraction of the dopamine hydrochloride solution is 4-7%.

9. A method for using a breathable sole structure, using the breathable sole structure according to any one of claims 1 to 8, characterized in that: The following steps are involved: The raw materials are weighed according to parts by weight, mixed and kneaded, and then vulcanized and formed to obtain the breathable sole structure of the present invention. The breathable sole structure is used in running shoes.

10. The method for using a breathable sole structure according to claim 9, characterized in that: The mixing treatment temperature is 110-115° C., and the treatment time is 5 minutes; the vulcanization molding temperature is 155-165° C., the molding time is 90-100 minutes, and the molding pressure is 10-15 MPa.

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