CN112741394B - High-strength football shoe sole suitable for lawn area and processing technology thereof - Google Patents
High-strength football shoe sole suitable for lawn area and processing technology thereof Download PDFInfo
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- CN112741394B CN112741394B CN202011585115.3A CN202011585115A CN112741394B CN 112741394 B CN112741394 B CN 112741394B CN 202011585115 A CN202011585115 A CN 202011585115A CN 112741394 B CN112741394 B CN 112741394B
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/02—Football boots or shoes, i.e. for soccer, football or rugby
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/04—Plastics, rubber or vulcanised fibre
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/18—Resilient soles
- A43B13/187—Resiliency achieved by the features of the material, e.g. foam, non liquid materials
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/22—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
- A43B13/223—Profiled soles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
- B29D35/122—Soles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
Abstract
The invention relates to a high-strength football shoe sole suitable for grabbing a lawn and a processing technology thereof, wherein the football shoe sole comprises a PEBA sole and a reinforced spike welded with the PEBA sole, and the reinforced spike comprises the following components in parts by weight: 50-70 parts of TPU resin and 10-15 parts of modified glass fiber; firstly, preparing a PEBA sole, wherein a welding hole is reserved at the position of a spike mounting position of the PEBA sole; and then, taking the PEBA sole prepared in the step S1 as a prefabricated core piece to be arranged in a sole mould, closing the mould, melting and uniformly mixing all the components according to a formula to form a fluid state, and injecting the fluid state into the sole mould to integrally form the reinforced spike and the PEBA sole. The invention can ensure that the modified glass fiber is well and uniformly dispersed in the TPU resin, enhance the tensile strength and the tearing strength of the spike, enhance the bonding strength between the spike and the PEBA sole, provide stable and reliable ground gripping force and propelling force, and is suitable for football sports on a lawn.
Description
Technical Field
The invention belongs to the technical field of shoe materials, and particularly relates to a high-strength football shoe sole suitable for grabbing a lawn and a processing technology thereof.
Background
In the football sports, the actions such as acceleration, scram, steering and tangential need to be made according to the situation on the spot, and in order to give full play to each action, the sole of the football shoes needs to be provided with spikes, so that the football shoes have better traction and ground-holding power. The spikes of the soccer shoe can be embedded in a soccer field (such as grass, artificial lawn, mud, etc.) and prevent the soccer shoe from slipping. In the material, the spike can adopt metal spike, combined material spike, plastics spike etc. and the spike can be with the integrative injection moulding of sole, also can make the spike alone, then assemble on the sole. In terms of shape, the studs of football shoes often adopt a cylindrical shape or a conical cylindrical shape, and also adopt a triangular shape, a long strip shape or other polygonal shapes. The existing spike has low strength and is easy to loosen with the sole body to cause insufficient ground gripping force.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide a high-strength football shoe sole suitable for lawn areas and a processing technology thereof, which can enhance the tensile strength and the tearing strength of spikes and the bonding strength between the spikes and a sole body.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a high strength football shoes sole of grabbing ground suitable for lawn ground, includes PEBA sole and with the welded reinforcing spike of PEBA sole, the reinforcing spike includes the following weight of parts component: 50-70 parts of TPU resin and 10-15 parts of modified glass fiber.
Preferably, the reinforced stud further comprises one or more of an antioxidant, an anti-wear agent, an inorganic filler.
Preferably, the anti-wear agent is maleic anhydride grafted ultra-high molecular weight polyethylene and/or high molecular weight polysiloxane.
Preferably, the antioxidant is one or a mixture of several of antioxidant A30, antioxidant 168 and antioxidant H10.
Preferably, the inorganic filler is wollastonite or talc.
Preferably, the preparation method of the modified glass fiber comprises the following steps: s11, firstly, dissolving a proper amount of PEBA powder in a DMF (dimethyl formamide) solvent at the temperature of 60-80 ℃ to obtain a PEBA solution, then soaking the dried hollow glass fiber into the PEBA solution to enable the PEBA solution to be loaded on the surface and the interior of the hollow glass fiber, taking out the hollow glass fiber, soaking the hollow glass fiber with ethanol overnight, washing with water, and drying to obtain a PEBA-loaded glass fiber; s12, placing the glass fiber loaded with PEBA in a toluene solvent, adding a coupling agent KH-550 after ultrasonic dispersion, continuing ultrasonic treatment, placing in a constant temperature environment for reaction for 8-10 hours, then centrifugally separating, washing with ethanol and drying to obtain the PEBA and coupling double-modified glass fiber.
The invention also provides a preparation process of the high-strength football shoe sole suitable for grabbing on a lawn, which specifically comprises the following steps: s1, preparing a PEBA sole, wherein a welding hole is reserved at a spike installation position of the PEBA sole; and S2, taking the PEBA sole prepared in the step S1 as a prefabricated core piece to be arranged in a sole mould, closing the mould, melting and uniformly mixing all the components according to a formula to form a fluid state, and injecting the fluid state into the sole mould to integrally form the reinforced spike and the PEBA sole.
Compared with the prior art, the invention has the following beneficial effects:
1. the reinforced spike mainly adopts TPU resin and modified glass fiber, the modified glass fiber is PEBA and coupling double modified glass fiber, firstly, the modified glass fiber can be well and uniformly dispersed in the TPU resin, agglomeration is avoided, and the reinforced spike is realized without adding a dispersing auxiliary agent, so that the tensile strength and the tearing strength of the reinforced spike are realized, secondly, the PEBA in the modified glass fiber is deeply fused with the PEBA sole in the integral forming process of the spike and the PEBA sole, the bonding strength between the spike and the PEBA sole is enhanced, firmness and stability are realized, thereby stable and reliable ground grabbing force and propelling force can be provided, better rotation and tangential action assistance is realized, and the reinforced spike is suitable for football sports on a lawn ground.
2. The PEBA sole is used as a sole body and is formed by extruding, foaming and molding PEBA material grains and modified PEBA particles, wherein the modified PEBA particles are formed by PEBA, SF-GNRs, modified glass fibers, graphene dispersion liquid and the like, a plurality of PEBA primary particles are wrapped in each modified PEBA particle, graphene sheets are wrapped outside the modified PEBA particles, the modified glass fibers and the SF-GNRs are uniformly dispersed in each PEBA primary particle, the graphene sheets are clamped among the PEBA primary particles, and the modified PEBA particles are dispersed in a PEBA material grain continuous phase during injection molding and have the graphene sheets on the interface of the PEBA material grains and the graphene sheets, so that the prepared PEBA sole can have low density, high rigidity and excellent fatigue and impact resistance while the thickness of the sole is reduced.
Wherein: the laminated functionalized graphene SF-GNRs are stably arranged in the cells of the PEBA primary particles in a laminated, stable and uniformly distributed special structure mode in the PEBA, the graphene has a unique two-dimensional lamellar structure, has a very high radius-thickness ratio and shows a soft form, deformation is easy to generate under the action of external force, and large-area cluster removal and relative slip deformation among the graphene can generate energy dissipation, so that the impact side effect of the external force on the PEBA sole is reduced, and the damping performance of the PEBA sole is improved to a certain extent; the strength and toughness of the modified PEBA particles are further enhanced by adding the modified glass fibers, the modified glass fibers are uniformly dispersed, the strength of each part is equivalent, and the modified glass fibers can be well compatible with PEBA in the modified PEBA particles; the graphite flake formed by wrapping the graphene dispersion liquid outside the modified PEBA particles is also beneficial to enabling the internal PEBA primary particles to be compressed and dislocated in situ under the action of external force, namely, the graphene dispersion liquid is still kept inside the modified PEBA particles, so that energy is dissipated, and the whole PEBA sole is low in compression permanent shape and high in rigidity.
Detailed Description
Example 1
The embodiment provides a high-strength football shoe sole suitable for lawn areas, which comprises a PEBA sole and reinforcing spikes welded with the PEBA sole. The processing technology specifically comprises the following steps: s1, preparing a PEBA sole, wherein a welding hole is reserved at a spike installation position of the PEBA sole; and S2, installing the PEBA sole prepared in the step S1 in a sole mould as a prefabricated core piece, closing the mould, adding the components into a screw extruder according to the formula, melting and uniformly mixing the components into a fluid state, and injecting the fluid state into the sole mould to integrally form the reinforced spike and the PEBA sole. The components of the reinforced stud are: 65 parts of TPU resin, 12 parts of modified glass fiber, 0.5 part of antioxidant A30, 5 parts of wear-resisting agent and 1.5 parts of wollastonite, wherein the wear-resisting agent is macromolecular polysiloxane with the average molecular weight of 4000-10000.
Wherein: the PEBA sole consists of the following components in parts by weight: 85 parts of PEBA material rice, 15 parts of modified PEBA particles, 1 part of talcum powder, 1.5 parts of zinc stearate, 6 parts of wear-resisting agent, 0.3 part of ultraviolet-resistant absorbent and 0.4 part of antioxidant. The preparation process of the PEBA sole specifically comprises the following steps: s1, preparing modified PEBA particles; s2, adding the modified PEBA particles, the talcum powder, the zinc stearate, the wear-resistant agent, the ultraviolet-resistant absorbent and the antioxidant in the step S1 into a double-screw extruder according to a formula, blending and extruding, and granulating to obtain mixed granules; and S3, injecting the mixed granules prepared in the step S2 into a sole mold for injection molding, wherein the pressure is 7MPa, the temperature is 260-270 ℃, and the time is 65 seconds.
The modified PEBA particle is prepared by extruding and foaming the following components in parts by weight: the preparation method comprises the following steps of 85 parts of PEBA, 8 parts of laminated functionalized graphene SF-GNRs, 5 parts of modified glass fiber, 6 parts of supercritical fluid and a proper amount of graphene dispersion liquid, wherein the supercritical fluid is carbon dioxide. The preparation method of the modified PEBA particle comprises the following steps: s21, adding PEBA, modified glass fiber and laminated functionalized graphene SF-GNRs into a double-screw extruder charging barrel of extrusion foaming equipment through a hopper; s22, after PEBA is melted and is primarily mixed with the modified glass fiber and SF-GNRs, injecting supercritical fluid into a charging barrel through a gas injection port arranged on the charging barrel of the double-screw extruder; s23, PEBA, modified glass fiber, SF-GNRs and supercritical fluid are fully and uniformly mixed in a double-screw extruder and then extruded, and then sequentially flow through a static mixer, a gear pump, a melt cooler and an extrusion die which are arranged at the downstream of the double-screw extruder to be extruded and foamed; and S24, cutting the extruded foaming material into particles by an underwater particle cutting system, immediately putting the particles into the graphene dispersion liquid, and then carrying out spray drying to obtain the modified PEBA particles.
Example 2
The embodiment provides a high-strength football shoe sole suitable for lawn areas, which comprises a PEBA sole and reinforcing spikes welded with the PEBA sole. The processing technology specifically comprises the following steps: s1, preparing a PEBA sole, wherein a welding hole is reserved in the position of a spike installation position of the PEBA sole; and S2, taking the PEBA sole prepared in the step S1 as a prefabricated core piece and installing the PEBA sole in a sole mold, closing the mold, adding the components into a screw extruder according to the formula, melting and uniformly mixing the components into a fluid state, and injecting the fluid state into the sole mold to integrally form the reinforced spike and the PEBA sole. The reinforced spike comprises the following components in parts by weight: 70 parts of TPU resin, 15 parts of modified glass fiber, 0.8 part of antioxidant, 6 parts of wear-resisting agent and 1.0 part of talcum powder, wherein the wear-resisting agent is maleic anhydride grafted ultrahigh molecular polyethylene with the molecular weight of 200-350 ten thousand, and the antioxidant comprises antioxidant 168 and antioxidant H10.
Wherein: the PEBA sole consists of the following components in parts by weight: 90 parts of PEBA material rice, 15 parts of modified PEBA particles, 2 parts of talcum powder, 2 parts of zinc stearate, 8 parts of wear-resisting agent, 0.3 part of ultraviolet-resistant absorbent and 0.2 part of antioxidant. The preparation process of the PEBA sole specifically comprises the following steps: s1, preparing modified PEBA particles; s2, adding the modified PEBA particles, the talcum powder, the zinc stearate, the wear-resisting agent, the ultraviolet-resistant absorbent and the antioxidant in the step S1 into a double-screw extruder according to a formula, blending and extruding, and cutting into granules to obtain mixed granules; and S3, injecting the mixed granules prepared in the step S2 into a sole mold for injection molding, wherein the pressure is 6MPa, the temperature is 265-275 ℃, and the time is 60 seconds.
The modified PEBA particle is prepared by extruding and foaming the following components in parts by weight: the preparation method comprises the following steps of 100 parts of PEBA, 10 parts of laminated functionalized graphene SF-GNRs, 5 parts of modified glass fiber, 8 parts of supercritical fluid and a proper amount of graphene dispersion liquid, wherein the supercritical fluid is carbon dioxide and nitrogen. The preparation method of the modified PEBA particle comprises the following steps: s21, adding PEBA, modified glass fiber and laminated functionalized graphene SF-GNRs into a double-screw extruder charging barrel of extrusion foaming equipment through a hopper; s22, after PEBA is melted and is preliminarily mixed with the modified glass fiber and the SF-GNRs, injecting supercritical fluid into a charging barrel through a gas injection port arranged on the charging barrel of the double-screw extruder; s23, PEBA, modified glass fiber, SF-GNRs and supercritical fluid are fully and uniformly mixed in a double-screw extruder and then extruded, and then sequentially flow through a static mixer, a gear pump, a melt cooler and an extrusion die which are arranged at the downstream of the double-screw extruder to be extruded and foamed; and S24, cutting the extruded foaming material into particles by an underwater particle cutting system, immediately putting the particles into the graphene dispersion liquid, and then carrying out spray drying to obtain the modified PEBA particles.
Example 3
The embodiment provides a high-strength football shoe sole suitable for lawn areas, which comprises a PEBA sole and reinforcing spikes welded with the PEBA sole. The processing technology specifically comprises the following steps: s1, preparing a PEBA sole, wherein a welding hole is reserved at a spike installation position of the PEBA sole; and S2, taking the PEBA sole prepared in the step S1 as a prefabricated core piece and installing the PEBA sole in a sole mold, closing the mold, adding the components into a screw extruder according to the formula, melting and uniformly mixing the components into a fluid state, and injecting the fluid state into the sole mold to integrally form the reinforced spike and the PEBA sole. The reinforced spike comprises the following components in parts by weight: 50 parts of TPU resin, 10 parts of modified glass fiber and 4 parts of wear-resisting agent, wherein the wear-resisting agent is macromolecular polysiloxane with the average molecular weight of 4000-10000.
Wherein: the PEBA sole consists of the following components in parts by weight: 100 parts of PEBA material rice, 20 parts of modified PEBA particles, 1.5 parts of talcum powder, 1 part of zinc stearate, 10 parts of wear-resisting agent, 0.6 part of ultraviolet-resistant absorbent, 0.2 part of antioxidant and 1.5 parts of color master batch. The preparation process of the PEBA sole specifically comprises the following steps: s1, preparing modified PEBA particles; s2, adding the modified PEBA particles, the talcum powder, the zinc stearate, the wear-resistant agent, the ultraviolet-resistant absorbent, the antioxidant and the color master batch in the step S1 into a double-screw extruder according to a formula, blending and extruding, and granulating to obtain mixed granules; and S3, injecting the mixed granules prepared in the step S2 into a sole mold for injection molding, wherein the pressure is 5MPa, the temperature is 250-260 ℃, and the time is 30 seconds.
The modified PEBA particle is prepared by extruding and foaming the following components in parts by weight: the graphene composite material comprises, by weight, 85 parts of PEBA, 8 parts of laminated functionalized graphene SF-GNRs, 5 parts of modified glass fiber, 6 parts of supercritical fluid and a proper amount of graphene dispersion liquid, wherein the supercritical fluid is carbon dioxide. The preparation method of the modified PEBA particle comprises the following steps: s21, adding PEBA, modified glass fiber and laminated functionalized graphene SF-GNRs into a double-screw extruder charging barrel of extrusion foaming equipment through a hopper; s22, after PEBA is melted and is preliminarily mixed with the modified glass fiber and the SF-GNRs, injecting supercritical fluid into a charging barrel through a gas injection port arranged on the charging barrel of the double-screw extruder; s23, PEBA, modified glass fiber, SF-GNRs and supercritical fluid are fully and uniformly mixed in a double-screw extruder and then extruded, and then sequentially flow through a static mixer, a gear pump, a melt cooler and an extrusion die which are arranged at the downstream of the double-screw extruder to be extruded and foamed; and S24, cutting the extruded foaming material into particles by an underwater particle cutting system, immediately putting the particles into the graphene dispersion liquid, and then carrying out spray drying to obtain the modified PEBA particles.
The preparation methods of the modified glass fibers in the reinforced shoe spikes and the PEBA shoe soles of the above examples 1-3 are as follows: s11, firstly, dissolving a proper amount of PEBA powder in a DMF (dimethyl formamide) solvent at the temperature of 60-80 ℃ to obtain a PEBA solution, then soaking the dried hollow glass fiber into the PEBA solution to enable the PEBA solution to be loaded on the surface and the interior of the hollow glass fiber, taking out the hollow glass fiber, soaking the hollow glass fiber with ethanol overnight, washing with water, and drying to obtain a PEBA-loaded glass fiber; s12, placing the glass fiber loaded with PEBA in a toluene solvent, adding a coupling agent KH-550 after ultrasonic dispersion, continuing ultrasonic treatment, placing in a constant temperature environment for reaction for 8-10 hours, then centrifugally separating, washing with ethanol and drying to obtain the PEBA and coupling double-modified glass fiber.
Comparative example 1
This comparative example 1 provides a sole, which differs from the above example 1 only in that: the reinforced stud of comparative example 1 uses no modified fiberglass and uses an equivalent amount of ordinary fiberglass.
Comparative example 2
This comparative example 2 provides a sole, which differs from the above example 1 only in that: the modified PEBA particles were not used in the PEBA shoe sole of comparative example 2.
The physical properties of the reinforced spikes prepared in examples 1-3 and comparative example 1 were measured, and the results are shown in Table 1.
Table 1: physical Property test report of examples 1 to 3 of the present invention and comparative example 1
The PEBA shoe soles prepared in the above examples 1-3 and comparative example 2 were subjected to physical property tests, and the test results are shown in Table 2.
Table 2: physical Property test report of examples 1 to 3 of the present invention and comparative example 2
While there have been shown and described what are at present considered to be the fundamental and essential features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the foregoing embodiments, but is described in the foregoing description only for the purpose of illustrating the principles of the invention and is subject to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (2)
1. A high strength football shoes sole of grabbing ground suitable for lawn ground which characterized in that: including PEBA sole and with the reinforcing spike of PEBA sole butt fusion, the reinforcing spike includes following parts by weight component: 50-70 parts of TPU resin and 10-15 parts of modified glass fiber;
the reinforced spike further comprises one or more of an antioxidant, an anti-wear agent and an inorganic filler, wherein the anti-wear agent is maleic anhydride grafted ultrahigh molecular polyethylene and/or high molecular polysiloxane, the antioxidant is one or a mixture of more of an antioxidant A30, an antioxidant 168 and an antioxidant H10, and the inorganic filler is wollastonite or talcum powder;
the preparation method of the modified glass fiber comprises the following steps: s11, firstly, dissolving a proper amount of PEBA powder in a DMF (dimethyl formamide) solvent at the temperature of 60-80 ℃ to obtain a PEBA solution, then soaking the dried hollow glass fiber into the PEBA solution to enable the PEBA solution to be loaded on the surface and the interior of the hollow glass fiber, taking out the hollow glass fiber, soaking the hollow glass fiber with ethanol overnight, washing with water, and drying to obtain a PEBA-loaded glass fiber; s12, placing the PEBA-loaded glass fiber in a toluene solvent, adding a coupling agent KH-550 after ultrasonic dispersion, continuing ultrasonic treatment, placing in a constant temperature environment for reaction for 8-10 hours, then performing centrifugal separation, washing with ethanol and drying to obtain the PEBA and coupling double-modified glass fiber.
2. A process for manufacturing a sole of a high-strength football shoe suitable for grasping on a lawn as claimed in claim 1, wherein: the method specifically comprises the following steps:
s1, preparing a PEBA sole, wherein a welding hole is reserved at a spike installation position of the PEBA sole;
and S2, installing the PEBA sole prepared in the step S1 as a prefabricated core piece in a sole mould, closing the mould, melting and uniformly mixing all the components according to the formula to form a fluid state, and injecting the fluid state into the sole mould to integrally form the reinforced spike and the PEBA sole.
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| CN202011585115.3A CN112741394B (en) | 2020-12-28 | 2020-12-28 | High-strength football shoe sole suitable for lawn area and processing technology thereof |
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| CN202011585115.3A CN112741394B (en) | 2020-12-28 | 2020-12-28 | High-strength football shoe sole suitable for lawn area and processing technology thereof |
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