TW202408389A - Sports shoe - Google Patents

Abstract

A sports shoe is provided. The sports shoe includes a shoe vamp and a shoe sole connected to the shoe vamp. The shoe vamp includes a textile component, where the textile component includes thermoplastic polyester fibers. The shoe sole includes a shoe outsole and a shoe midsole foam disposed between the shoe outsole and the shoe vamp, wherein the shoe outsole includes a vulcanizate and the shoe midsole foam includes a first thermoplastic elastomer. The vulcanizate includes rubber particles, a second thermoplastic elastomer, and an interface compatible resin, wherein the content of the rubber particles is greater than the content of the second thermoplastic elastomer. The rubber particles are dispersed in the second thermoplastic elastomer in a form of spherical particles with particle sizes of about 0.5 to 10 μm.

Description

sneakers

The present invention relates to sports shoes, in particular to a sports shoe made of thermoplastic material.

Traditional sports shoes include uppers, soles, and adhesive components that connect the uppers and soles together. Traditional uppers may include leather, synthetic leather, textiles, or combinations thereof. Traditional shoe soles include a midsole and an outsole, where the midsole may include ethylene/vinyl acetate copolymer (EVA) and the outsole may include rubber, polyvinyl chloride (PVC), polyurethane (PU), or a combination thereof.

The materials contained in the upper, midsole and outsole of traditional sports shoes are different. Therefore, the traditional treatment method of discarded sports shoes must include a separation process to separate the upper, midsole and outsole of discarded sports shoes before the crushing process, recycling process or incineration process. The above traditional treatment method of discarded sports shoes has the disadvantages of complicated procedures, poor recycling efficiency and environmental protection.

The present disclosure provides a sneaker that can be recycled without separating the components of discarded sneakers. Discarded sports shoes can be recycled to generate a recycled material, which can be used to manufacture a sports shoe.

Some embodiments of the present disclosure provide a sports shoe, which includes an upper and a sole connected to the upper. The upper may include a textile component, wherein the textile component may include thermoplastic polyester fibers. The shoe sole may include a shoe outsole and a shoe midsole foam disposed between the shoe outsole and the shoe upper. The outsole may include a dynamically cross-linked elastomer and the midsole foam may include the first thermoplastic elastomer. The dynamically cross-linked elastomer may include rubber particles, a second thermoplastic elastomer, and an interface compatible resin, wherein the content of the rubber particles is greater than the content of the second thermoplastic elastomer, and the rubber particles are in the form of balls with a particle size of about 0.5 to 10 μm. The particles are dispersed in the second thermoplastic elastomer.

As used in this disclosure, "about" means a value that encompasses the stated value and a range of acceptable deviations that would be acceptable to a person of ordinary skill in the art taking into account measurement issues and measurement errors (ie, limitations of the measurement system). . For example, "about" can mean a value that is within one or more standard deviations of the stated value, or within ±30%, 20%, 10%, 5% of the stated value. The quantities given here are approximate quantities. That is to say, without specifically stating "about", "approximately" and "substantially", the terms "about", "approximately" and "substantially" can still be implied. meaning. In this disclosure, the expression "a~b" means including values greater than or equal to a and values less than or equal to b.

It is understood that, although the terms "first", "second", "third", etc. may be used herein to describe various elements, components, regions, layers, and/or parts, these elements, components, regions, layers, and/or parts should not be limited by these terms, and these terms are only used to distinguish different elements, components, regions, layers, and/or parts. Therefore, a first element, component, region, layer, and/or part discussed below may be referred to as a second element, component, region, layer, and/or part without departing from the teachings of some embodiments of the present disclosure.

In some embodiments of the present disclosure, relative terms such as “lower”, “upper”, “horizontal”, “vertical”, “below”, “above”, “top”, “bottom”, etc. shall be Understand the orientation shown in this paragraph and related figures. This relative terminology is only for convenience of explanation and does not mean that the device described needs to be manufactured or operated in a specific orientation. It will be understood that if the device in the figures is turned upside down, elements described as being on the "lower" side would actually be elements described as being on the "upper" side. The embodiments of the present disclosure can be understood together with the accompanying drawings, which are also considered a part of the specification. It is to be understood that the drawings of the present disclosure are not drawn to scale and, in fact, the dimensions of elements may be arbitrarily exaggerated or reduced in order to clearly illustrate features of the present disclosure.

Unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by those with ordinary knowledge in the art to which the present disclosure belongs. It will be further understood that terms defined in commonly used dictionaries should be interpreted as having the same meaning as their meaning in the relevant art and the content of the present disclosure, and will not be interpreted in an idealized or overly formal sense unless explicitly defined herein.

The term "thermoplastic polyester elastomer (TPEE)" disclosed herein refers to a block copolymer composed of a hard segment including polybutylene terephthalate (PBT) and a soft segment including polyether or polyester. Examples of soft segments in polyether-type polyester elastomers may include, but are not limited to, polytetramethylene ether glycol, polyethylene glycol ether, and polypropylene glycol ether. Examples of soft segments in polyester-type polyester elastomers may include, but are not limited to, polyglycolide, polylactide, and polycaprolactone.

The present disclosure provides a sports shoe, which includes an upper and a sole connected to the upper. Figure 1 is an exploded view of a sports shoe 10 according to an embodiment of the present disclosure. As shown in FIG. 1 , the sports shoe 10 includes an upper 101 and a sole 103 connected to the upper 101 . The upper 101 and the sole 103 of the present disclosure will be described below with reference to Figure 1 .

As shown in FIG. 1 , the sole 103 includes an outsole 1031 and a midsole foam 1033 disposed between the outsole 1031 and the upper 101. The midsole foam 1033 can provide functions such as cushioning, rebound, and high comfort. The outsole 1031 has the advantages of high wear resistance and high wet anti-slip properties, and can efficiently convert the stress applied during walking into kinetic energy.

In some embodiments, the midsole foam 1033 may have a specific gravity of about 0.1-0.4 g/mL, a resilience of about 50-70%, and a surface hardness of about 30-60 Shore C hardness. The midsole foam 1033 includes a first thermoplastic elastomer. In some embodiments, the first thermoplastic elastomer may have an intrinsic viscosity (I.V.) of about 0.8-1.9 dL/g and a Shore A hardness of about 60-95.

In some embodiments, the first thermoplastic elastomer may include thermoplastic polyester elastomer (TPEE). In some embodiments, the first thermoplastic elastomer may include or may consist of the first regenerated thermoplastic elastomer. In some embodiments, the first recycled thermoplastic elastomer may be from discarded sneakers, but the disclosure is not limited thereto. In some embodiments, the first regenerated thermoplastic elastomer can be produced from discarded polyethylene terephthalate (r-PET) through a chemical depolymerization process and a copolymerization process, and the first regenerated thermoplastic elastomer is The body may have an intrinsic viscosity of about 0.8 to 1.9 dL/g and a Shore A hardness of about 45 to 95. In some embodiments, the first regenerated thermoplastic elastomer may have a Shore A hardness of about 60 to 95.

In some embodiments, the midsole foam 1033 is made by subjecting the first thermoplastic elastomer to an injection foaming process, a chemical extrusion foaming process, a molded foaming process, an impregnation foaming process, or any combination of the foregoing processes. . Specifically, in some embodiments, the manufacturing process of the shoe midsole foam 1033 includes the steps of preparing a first mixture, preparing first particles, and foaming the first particles. In some embodiments, the first mixture may include a first thermoplastic elastomer, a cell nucleating agent, a cell stabilizer, and other additives. In some embodiments, other additives may include flow aids and/or antioxidants, but the disclosure is not limited thereto. In some embodiments, the first particles can be produced by subjecting the first mixture to a mixing process and a pelletizing process. The shoe midsole foam 1033 can be produced by subjecting the first particles to a chemical foaming process or a physical foaming process. The chemical foaming process or physical foaming process may include an injection foaming process, a chemical extrusion foaming process, a molded foaming process, an impregnation foaming process, other suitable foaming processes, or any combination of the foregoing processes.

In some embodiments, the outsole 1031 has an abrasion resistance of about 50-250 mg and a wet anti-slip coefficient of about 0.2-0.45. In some embodiments, the outsole 1031 includes a dynamically cross-linked elastomer. The outsole 1031 is made by the dynamically cross-linked elastomer through an injection molding process, an extrusion molding process, a hot pressing process, or any combination of the aforementioned processes.

The dynamically cross-linked elastomer may include rubber particles, a second thermoplastic elastomer, and an interface compatible resin, but the present disclosure is not limited thereto. In some embodiments, the content of rubber particles is greater than the content of the second thermoplastic elastomer, and the rubber particles are dispersed in the second thermoplastic elastomer in the form of spherical particles with a particle size of about 0.5 to 10 μm. In some embodiments, the rubber particles are dispersed in the second thermoplastic elastomer in the form of spherical particles with a particle size of about 0.5 to 5 μm. In some embodiments, the dynamically cross-linked elastomer may include about 100 parts by weight of rubber particles, about 40-90 parts by weight of the second thermoplastic elastomer, and about 5-15 parts by weight of an interface compatible resin (i.e. Based on 100 parts by weight of rubber, about 40 to 90 parts by weight of the second thermoplastic elastomer and about 5 to 15 parts by weight of the interface compatible resin). In some embodiments, the dynamically cross-linked elastomer may include 100 parts by weight of rubber particles, about 50 to 80 parts by weight of a second thermoplastic elastomer, and about 8 to 12 parts by weight of an interface compatible resin (i.e., based on Based on 100 parts by weight of rubber, about 50 to 80 parts by weight of the second thermoplastic elastomer and about 8 to 12 parts by weight of the interface compatible resin).

In some embodiments, the second thermoplastic elastomer may have a Shore A hardness of about 45-70 and an intrinsic viscosity of about 0.8-1.9 dL/g. In some embodiments, the second thermoplastic elastomer may include a thermoplastic polyester elastomer (TPEE). In some embodiments, the second thermoplastic elastomer includes a second recycled thermoplastic elastomer. In some embodiments, the second recycled thermoplastic elastomer may come from discarded sports shoes or other thermoplastic waste.

In some embodiments, rubber particles can be produced by subjecting the second mixture to a mixing process, a kneading process, and a pelletizing process after preparing the second mixture. The second mixture may include styrenic copolymer rubber, a cross-linking agent, and a cross-linking assistant, but the present disclosure is not limited thereto.

The crosslinking agent may include 2,5-dimethyl-2,5-di(tert-butylperoxy)-2,5-dimethylhexane, dicumyl peroxide (DCP), benzoyl peroxide, di-tert-butyl peroxide, or any combination thereof, but the present disclosure is not limited thereto.

The cross-linking assistant may include trimethylolpropane trimethacrylate (TMPTMA), triallyl isocyanurate (TAIC), trimethylolpropane triacrylate One of (trimethylolpropane triacrylate, TMPTA), triallyl cyanurate (TAC), triallylphosphate (TAP), or triallyl borate (TAB) or any combination thereof, but the disclosure is not limited thereto.

The styrene copolymer rubber may be any copolymer including a styrene group. In some embodiments, the styrene copolymer rubber may include a cross-linked styrene copolymer having high anti-slip properties. In some embodiments, the styrene copolymer rubber may include a solution polystyrene-butadiene rubber (SSBR), an emulsion polystyrene-butadiene rubber (ESBR), a styrene-ethylene-butylene-styrene (SEBS) rubber, a styrene-ethylene-propylene-styrene (SEPS) rubber, a styrene-butadiene (SB) rubber, a styrene-isoprene-styrene (SIS) rubber, a styrene-butadiene-styrene (SBS) rubber, or any combination thereof, but the present disclosure is not limited thereto.

In some embodiments, the second mixture may further include non-aromatic rubber. The non-aromatic rubber is a rubber that does not include an aromatic group. In some embodiments, the non-aromatic rubber may include one of butadiene rubber (BR), butyl rubber (IIR), brominated butyl rubber (BIIR), natural rubber (NR) or any combination thereof, but the present disclosure is not limited thereto. Non-aromatic rubber can further improve the wear resistance, weather resistance and compression deformation resistance. In some embodiments, the second mixture may include about 100 to 80 parts by weight of styrene copolymer rubber and about 0 to 20 parts by weight of non-aromatic rubber (i.e., the weight ratio of styrene copolymer rubber: non-aromatic rubber is 10 to 8: 0 to 2). In some embodiments, the second mixture may further include other additives. Other additives may include one or any combination of reinforcing additives, antioxidants, plasticizers, and silane coupling agents, but the present disclosure is not limited thereto.

The interface-compatible resin may include any resin that can make the rubber particles compatible with the interface-compatible resin. In some embodiments, the interface compatible resin may include maleic anhydride grafted polymer, but the present disclosure is not limited thereto.

Examples of maleic anhydride grafted polymers may include, but are not limited to, maleic anhydride grafted polyethylene (PE-MAH), maleic anhydride grafted ethylene-vinyl acetate copolymer (EVA-MAH), maleic anhydride grafted Polyolefin elastomer (POE-MAH), maleic anhydride grafted ethylene propylene diene rubber (EPDM-MAH), maleic anhydride grafted styrene-ethylene-butylene-styrene rubber (SEBS-MAH) and styrene Maleic anhydride (SMA), but the present disclosure is not limited thereto.

In some embodiments, the grafting rate of the maleic anhydride grafted polymer is about 0.3-2.0%. When the grafting rate of the maleic anhydride grafted polymer is lower than about 0.3%, the second thermoplastic elastomer may not be able to smoothly undergo a complete grafting reaction, and the compatibility of the second thermoplastic elastomer with the rubber particles may not be improved. When the grafting rate of the maleic anhydride grafted polymer is higher than about 2.0%, the rubber particles and the second thermoplastic elastomer may be overly compatible, affecting the subsequent dynamic crosslinking phase reversal behavior.

In some embodiments, the outsole 1031 can be connected to the midsole foam 1033 by polyester hot melt adhesive, but the present disclosure is not limited thereto. In some embodiments, the outsole 1031 can be injected into the midsole foam 1033 by injection molding process, and directly hot melt bonded to the midsole foam 1033 by the high temperature during the injection process without using other connecting agents.

In some embodiments, the sole 103 may further include a reinforcing balance sheet 1035 disposed between the upper 101 and the midsole foam 1033 . The reinforcing balance piece 1035 can enhance the bending resistance of the sole 103 and improve the comfort of the arch of the foot when wearing. The reinforcing balance sheet 1035 may include a third thermoplastic elastomer. In some embodiments, the third thermoplastic elastomer may have an intrinsic viscosity of about 0.8-1.5 dL/g and a Shore D hardness of about 40-60. In some embodiments, the third thermoplastic elastomer may include thermoplastic polyester elastomer (TPEE). In some embodiments, the third thermoplastic elastomer may be sourced from discarded sneakers or other thermoplastic waste. In some embodiments, the reinforcing balance sheet 1035 can be made by using the third thermoplastic elastomer through an injection molding process, an extrusion molding process, a hot press molding process, or any combination of the foregoing processes.

In some embodiments, the sole 103 may further include an insole 1037 disposed between the reinforcing balance sheet 1035 and the upper 101 . The insole 1037 may be foam, which has high softness to improve comfort. In some embodiments, insole 1037 may include thermoplastic polyester elastomer (TPEE). In some embodiments, insole 1037 may include recycled materials from discarded athletic shoes or other thermoplastic waste.

The upper 101 includes a fabric component 1011, and the fabric component 1011 may include thermoplastic polyester fiber. In some embodiments, the thermoplastic polyester fiber may be recycled thermoplastic polyester fiber from discarded sports shoes or other thermoplastic waste. In some embodiments, the thermoplastic polyester fiber may be about 50-150 denier and have an intrinsic viscosity of about 0.4-0.8 dL/g. The fabric component 1011 may be a woven component, a knitted component, a nonwoven component, a woven component, or any combination thereof made of thermoplastic polyester fiber, but the present disclosure is not limited thereto. In some embodiments, the fabric component 1011 may further include a fourth thermoplastic elastomer. In some embodiments, the fourth thermoplastic elastomer may be about 50-150 denier and have a Shore D hardness of about 50-90. In some embodiments, the fourth thermoplastic elastomer may include thermoplastic polyester elastomer (TPEE). In some embodiments, the weight ratio of the fourth thermoplastic elastomer to the thermoplastic polyester fiber is 1:4-3:2. In some embodiments, in some embodiments, the fourth thermoplastic elastomer may come from discarded sports shoes or other thermoplastic waste. The fabric component 1011 may be a woven component, a knitted component, a nonwoven component, a textile component, or any combination thereof made of thermoplastic polyester fiber and the fourth thermoplastic elastomer.

The upper 101 may further include a reinforcing component 1013 disposed on the edge of the fabric component 1011. The reinforcing component 1013 may improve the overall strength of the upper 101 and reduce the possibility of damage to the upper 101. In some embodiments, reinforcing component 1013 may include a fifth thermoplastic elastomer. The fifth thermoplastic elastomer may have an intrinsic viscosity of about 0.8-1.5 dL/g and a Shore A hardness of about 80-95 or a Shore D hardness of about 40-60. In some embodiments, the fifth thermoplastic elastomer may include thermoplastic polyester elastomer (TPEE). In some embodiments, the fifth thermoplastic elastomer may be sourced from discarded sneakers or other thermoplastic waste.

The upper 101 and the sole 103 can be made separately. In some embodiments, the upper 101 and the sole 103 can be connected by polyester hot melt adhesive, but the present disclosure is not limited thereto. In some embodiments, the upper 101 and the sole 103 can be connected by melting the interface of the upper 101 and the sole 103 through a heating connection process. By making all the components of the sports shoe 10 include polyester materials, the sports shoe 10 of the present disclosure can be directly subjected to a physical crushing recycling process without first undergoing a separation process of separating the components of the sports shoe.

The following illustrates the advantages of the present disclosure by providing specific embodiments.

Example 1

1. Upper preparation

Take polyethylene terephthalate fiber or recycled polyethylene terephthalate fiber with a fiber specification of about 50 to 150 denier and an intrinsic viscosity of about 0.4 to 0.8 dL/g (purchased from Nan Ya Plastics Industry Co., Ltd. Company) and thermoplastic polyester elastomer fiber (purchased from Litai International Co., Ltd.) with a fiber specification of about 50 to 150 denier and a Shore D hardness of about 60 to 80, using a tatting method to make fabric parts.

A thermoplastic polyester elastomer (purchased from DuPont) having an intrinsic viscosity of about 0.8-1.5 dL/g and a Shore A hardness of about 80-95 or a Shore D hardness of about 40-60 is formed into a reinforcing component by film (sheet) extrusion processing, and the reinforcing component is connected to the edge of the above-mentioned textile component by hot pressing bonding to complete the preparation of the shoe upper.

2.Sole preparation

Thermoplastic polyester elastomer particles (purchased from DSM) with a hardness range of about 60-95 Shore A hardness and an intrinsic viscosity of about 0.8-1.9 dL/g are pre-dried at about 60-80° C. for about 3-4 hours. About 0.5 parts by weight of an antioxidant formula (0.25 parts by weight each of hindered phenol antioxidant AO1010 and phosphite antioxidant A168), about 0.5 parts by weight of a cell nucleating agent formula (nano calcium carbonate), about 2.0 parts by weight of a cell stabilizer formula (multifunctional chain expander ADR-4370), and about 1.0 parts by weight of a flow aid formula (stearate) are mixed with about 100 parts by weight of the dried thermoplastic polyester elastomer particles to obtain a midsole mixture. The midsole mixture is fed into a twin-screw extruder (25ψ, L/D=45) by weightless feeding for mixing (screw temperature is about 170~200°C, and rotation speed is about 150~300 rpm). The mixed midsole mixture is subjected to a pelletizing process to obtain midsole particles. The midsole particles are dried at about 80~100°C for about 6~8 hours. Finally, a shoe midsole foam is obtained from the midsole particles by chemical or physical foaming.

About 100 parts by weight of solution polystyrene-butadiene rubber (SSBR, purchased from Taiwan Rubber Co., Ltd., model TAIPOL 1453) and about 0.45 parts by weight of dicumyl peroxide (DCP) were used as cross-linking agents. , purchased from Guoyuan Industrial Co., Ltd., model GY-DCP), and about 2 parts by weight of methylolpropane trimethacrylate (TMPTMA, used as a cross-linking aid, purchased from Double Bond Chemical Co., Ltd., model DOUBLEMER TMPTMA), about 1.45 parts by weight of antioxidant (AO1050, purchased from Anfeng Industrial Co., Ltd.), about 15 parts by weight of paraffin oil (purchased from Diyi Chemical, model EP paraffin oil) and about 30 parts by weight of white carbon Black is put into an internal mixer to obtain a rubber mixture. The rubber mixture is kneaded and forcibly granulated at about 60~80°C and a screw speed of about 50~100 rpm to obtain rubber particles with a particle size of about 2~3 mm. Thermoplastic polyester elastomer particles (purchased from DSM Company, hardness range is about 45~70 Shore A hardness, intrinsic viscosity is about 0.8~1.9 dL/g) are dried at about 80°C for about 3~4 hours. About 75 parts by weight of dried thermoplastic polyester elastomer particles, about 100 parts by weight of rubber particles, and about 9.2 parts by weight of styrene maleic anhydride (SMA) were used as interface compatible resin, purchased from Yuanhong Co., Ltd. Co., Ltd., model SMA1000) is fed into the twin-screw extruder (26ψ, L/D=60) for dynamic cross-linking reaction (screw temperature is about 170~200°C, rotation speed is about 150~300 rpm) to obtain dynamic cross-linking Elastomer, at this time the rubber particles are dispersed in the thermoplastic polyester elastomer in the form of spherical particles with a particle size of 0.5~10μm. The dynamically cross-linked elastomer undergoes a pelletizing process to obtain large base particles. The outsole particles are dried at about 80 to 100°C for about 6 to 8 hours and then the shoe outsole is manufactured by injection molding.

The balance sheet is manufactured by injection molding using thermoplastic polyester elastomer particles (purchased from DSM) with a hardness range of about 40~60 Shore D. The balance sheet is directly injected and hot-melted onto the midsole foam through the injection molding process.

The midsole foam and the shoe outsole are bonded with polyester hot melt adhesive, or the shoe outsole is directly injected and hot melt bonded to the shoe midsole foam through an injection process.

3. Preparation and performance testing of sports shoes

The above-mentioned upper and sole are bonded together through polyester hot melt adhesive, or a heating connection process is used to melt the interface between the upper and sole and then connect the upper and sole.

TPE EL250 of DSM of the Netherlands was used as comparative example 1 and TPEE P30BP30B of Toyo of Japan was used as comparative example 2. The wear resistance of the shoe outsole of the embodiment of the present disclosure and comparative examples 1 and 2 was measured by DIN 53516, the anti-slip performance of the shoe outsole of the embodiment of the present disclosure and comparative examples 1 and 2 was measured by ASTM F489, and the hardness of the shoe outsole of the embodiment of the present disclosure and comparative examples 1 and 2 was measured by ASTM D2240. The measurement results are shown in Table 1 below. Table 1 Embodiment Comparison Example 1 Comparison Example 2 Hardness(Shore A) 68 69 70 Wear resistance(mg) 85 100 95 Wet anti-slip coefficient 0.40 0.22 0.20

According to the ASTM D297 test, the specific gravity of the shoe midsole foam is about 0.1~0.4g/mL, the resilience is about 50~70%, and the surface hardness is about 30~60 Shore C hardness.

It can be seen from the results in Table 1 that the sports shoes of the present disclosure have good wear resistance and wet anti-slip performance. In addition, it can be seen from the measurement results of the midsole foam that the sports shoes disclosed in the present disclosure have characteristics such as high cushioning, high rebound, and high comfort. The sports shoes disclosed in the present disclosure can simultaneously maintain good wear resistance, wet anti-slip performance, high cushioning, high rebound and/or high Comfort and other characteristics.

In addition, since all components of the sports shoes of the disclosure are made of thermoplastic polyester materials and/or polyester elastomers, the sports shoes of the disclosure can be directly recycled and reused without first separating the sports shoes. Separation process of each component. After the sports shoes disclosed in the present disclosure are recycled, the entire shoe can be directly melt-processed to be made into various shoe parts, such as outsoles, midsoles or reinforcing balance sheets.

The features of the above embodiments are helpful for those with ordinary skill in the art to understand the present invention. Those with ordinary skill in the art should understand that the present invention can be used as a basis to design and change other processes and structures to achieve the same purposes and/or the same advantages of the above embodiments. Those with ordinary skill in the art should also understand that these equivalent substitutions do not depart from the spirit and scope of the present invention, and can be changed, replaced, or modified without departing from the spirit and scope of the present invention.

10: sports shoes 101: upper 1011: fabric parts 1013: reinforcement parts 103: sole 1031: outsole 1033: midsole foam 1035: reinforcement balance sheet 1037: insole

The present disclosure will be more fully described with reference to the drawings showing exemplary embodiments of the present disclosure, wherein: FIG. 1 is an exploded view of a sports shoe according to an embodiment of the present disclosure.

10:Sneakers

101: Upper

1011: Fabric parts

1013: Reinforcement parts

103:Sole

1031: Shoe outsole

1033: Shoe midsole foam

1035: Strengthening balance sheet

1037: Insoles

Claims (11)

A sports shoe, which includes: A shoe upper, wherein the shoe upper includes a fabric component, the fabric component includes a thermoplastic polyester fiber; A sole, connected to the upper, wherein the sole includes: One shoe sole; and A shoe midsole foam body, which includes a first thermoplastic elastomer, the shoe midsole foam body is disposed between the shoe outsole and the shoe upper; The shoe outsole includes a dynamic cross-linked elastomer, and the dynamic cross-linked elastomer includes: a rubber particle; a second thermoplastic elastomer; and an interface compatible resin; In the dynamically cross-linked elastomer, the content of the rubber particles is greater than the content of the second thermoplastic elastomer, and the rubber particles are dispersed in the second thermoplastic elastomer in the form of spherical particles with a particle size of 0.5 to 10 μm. . Such as the sports shoes of claim 1, wherein the dynamic cross-linked elastomer includes: 100 parts by weight of the rubber particles; 40 to 90 parts by weight of the second thermoplastic elastomer; and 5 to 15 parts by weight of the interface compatible resin. The sports shoe of claim 1, wherein the rubber particles include 100-80 parts by weight of styrene copolymer rubber and 0-20 parts by weight of non-aromatic rubber. For example, the sports shoes of claim 1, wherein the outsole has a wear resistance of 50 to 250 mg and a wet anti-slip coefficient of 0.2 to 0.45. The sports shoe of claim 1, wherein the midsole foam has a specific gravity of 0.1-0.4 g/mL, a resilience of 50-70%, and a surface hardness of 30-60 Shore C hardness. The sports shoe of claim 1, wherein the first thermoplastic elastomer includes thermoplastic polyester elastomer (TPEE). The sports shoe of claim 1, wherein the sole further includes a reinforcing balance sheet between the upper and the midsole foam, the reinforcing balance sheet includes a third thermoplastic elastomer, and the third thermoplastic elastomer It has an intrinsic viscosity of 0.8~1.5dL/g and a Shore D hardness of 40~60. The sports shoe of claim 1, wherein the fabric component further includes a fourth thermoplastic elastomer, and the fourth thermoplastic elastomer has a Shore D hardness of 50 to 90, and the fourth thermoplastic elastomer and the thermoplastic polyester fiber The weight ratio is 1:4~3:2. A sports shoe as claimed in claim 1, wherein the upper further comprises a reinforcing component at the edge of the textile component, the reinforcing component comprising a fifth thermoplastic polyester elastomer, the fifth thermoplastic polyester elastomer having an intrinsic viscosity of 0.8-1.5 dL/g and a Shore A hardness of 80-95 or a Shore D hardness of 40-60. The sports shoe of claim 1, wherein the first thermoplastic elastomer system is made of polyethylene terephthalate (r-PET) through a chemical depolymerization process and a co-polymerization process, and the first thermoplastic elastomer It has an intrinsic viscosity of 0.8~1.9dL/g and a Shore A hardness of 45~95. A sports shoe as claimed in claim 1, wherein the second thermoplastic elastomer comprises a thermoplastic polyester elastomer (TPEE).