CN112602991A - Preparation method of waterproof friction-increasing football shoe vamp - Google Patents
Preparation method of waterproof friction-increasing football shoe vamp Download PDFInfo
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- CN112602991A CN112602991A CN202011578131.XA CN202011578131A CN112602991A CN 112602991 A CN112602991 A CN 112602991A CN 202011578131 A CN202011578131 A CN 202011578131A CN 112602991 A CN112602991 A CN 112602991A
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0205—Uppers; Boot legs characterised by the material
- A43B23/0215—Plastics or artificial leather
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention relates to the technical field of shoe materials, and particularly discloses a preparation method of a waterproof friction-increasing football shoe vamp, which comprises the steps of combining a TPU high-temperature membrane and a TPU low-temperature membrane on a vamp body through hot pressing; removing the TPU surface layer at the corresponding position of the TPU high-low temperature membrane according to the friction increasing position to form a reinforced blind hole on the surface of the TPU high-low temperature membrane; coating a waterproof friction-increasing dispersion liquid in the reinforced blind hole, wherein the waterproof friction-increasing dispersion liquid consists of the following components in parts by weight: 60-80 parts of TPU granules, 5-10 parts of waterborne polyurethane resin, 0.5-1.0 part of foaming agent, 5-8 parts of impact modifier and 2-4 parts of laminated functionalized graphene SF-GNRs; and S4, foaming and compounding to form the TPU composite vamp body with waterproof friction-increasing convex particles. The waterproof friction-increasing convex particles of the vamp, which are prepared by the invention, have the advantages of long service life, high impact strength, regular appearance, strong stereoscopic impression and good waterproof property, and are beneficial to controlling the direction and strength of the ball.
Description
Technical Field
The invention belongs to the technical field of shoes, and particularly relates to a preparation method of a waterproof friction-increasing football shoe vamp.
Background
Football shoes, including sole and vamp, the vamp is the main ball control contact position, for reaching better control ball direction and power, will generally set up friction particle in vamp relevant position department. The existing friction particle manufacturing method is that a liner is fixed on the surface of a vamp, then a TPU membrane is hot-pressed on the vamp, and the thickness of the liner is utilized to enable the surface of the TPU membrane to have a certain convex effect. However, on one hand, the pad is made of soft materials, so that the original thickness value of the pad is easily lost in the hot pressing process, the stereoscopic impression of the TPU membrane is weak, and on the other hand, the expected effect cannot be achieved due to insufficient strength after the TPU membrane touches the ball. In addition, the problem of low impact strength exists when foaming ink is printed on the surface of the TPU membrane, and the TPU membrane is not long in service life and is easy to fall off.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide the preparation method of the waterproof friction-increasing football shoe vamp, which has the advantages of long service life, high impact strength, regular appearance, strong stereoscopic impression, good waterproof property and contribution to controlling the direction and strength of a ball.
In order to solve the technical problems, the invention adopts the technical scheme that:
the preparation method of the waterproof friction-increasing football shoe vamp specifically comprises the following steps:
s1, combining the TPU high-temperature and low-temperature membrane on the vamp body through hot pressing;
s2, removing the TPU surface layer at the corresponding position of the TPU high and low temperature membrane according to the friction increasing position to form a reinforced blind hole on the surface of the TPU high and low temperature membrane;
s3, coating a waterproof friction-increasing dispersion liquid in the reinforcing blind holes, wherein the waterproof friction-increasing dispersion liquid comprises the following components in parts by weight: 60-80 parts of TPU granules, 5-10 parts of waterborne polyurethane resin, 0.5-1.0 part of foaming agent, 5-8 parts of impact modifier and 2-4 parts of laminated functionalized graphene SF-GNRs;
and S4, foaming and compounding to form the TPU composite vamp body with waterproof friction-increasing convex particles.
Preferably, in the step S2, the TPU surface layer of the TPU high and low temperature film is removed by laser cutting.
Preferably, the friction-increasing blind hole in the step S2 has a cross-sectional shape of a circular hole, a triangular hole or a cross hole.
Preferably, the preparation process of the water-proof friction-increasing dispersion in the step S3 is as follows: dispersing the laminated functionalized graphene SF-GNRs in the DMF solvent in parts by weight, adding TPU granules after ultrasonic dispersion, placing the mixture in a vacuum drying oven at 60-70 ℃ for swelling, stirring until the TPU granules are dissolved, and defoaming to obtain TPU/graphene dispersion liquid; and then adding the aqueous polyurethane resin, the impact modifier and the foaming agent into the TPU/graphene dispersion liquid, and performing ultrasonic dispersion uniformly.
Preferably, the impact modifier is polyether block amide PEBA.
Preferably, the impact modifier and the waterborne polyurethane are dissolved in a DMF solvent at 60-80 ℃ before being added, then a foaming agent is added, and the mixture is mixed with the TPU/graphene dispersion liquid after being uniformly stirred.
Preferably, the foaming compounding in step S4 is specifically: and (3) corresponding to the nail hanging hole, checking whether the concave-convex positions of the die are aligned, then putting the die on a hot press, wherein the temperature of an upper die is 270-290 ℃, the temperature of a lower die is 160-170 ℃, the pressure is 5-6 kg, and the time is 55-60 seconds, so that the main foaming expansion of the waterborne polyurethane resin is realized, the air is exhausted in the expansion process, the solvent is volatilized, and then, the cooling is carried out, and the waterproof friction-increasing convex particles of the TPU/SF-GNRs composite material which is welded with the TPU surface layer of the TPU high-.
The waterproof friction-increasing convex grains prepared by the invention can be arranged at one or more positions of the toe cap, the inner waist, the outer waist and the heel of the vamp body, and more preferably, the waterproof friction-increasing convex grains are uniformly distributed around the whole circle of the vamp body.
Compared with the prior art, the invention has the following beneficial effects:
the invention firstly compounds the TPU high-low temperature membrane on the vamp body by hot pressing, then removes the TPU surface layer of the TPU high-low temperature membrane according to the friction increasing position to form a reinforced blind hole, then coats a waterproof friction increasing dispersion liquid in the reinforced blind hole, the waterproof friction increasing dispersion liquid comprises TPU granules, aqueous polyurethane resin, foaming agent, impact modifier and laminated functionalized graphene SF-GNRS, in the foaming compounding process, the aqueous polyurethane resin is mainly foamed and expanded to directly form waterproof friction increasing convex particles with a convex structure on the surface, and a TPU/SF-GNRS composite material welded with the TPU high-low temperature membrane is formed on the surface of the waterproof friction increasing convex particles, on one hand, because the graphene has a unique two-dimensional lamellar structure, has extremely high diameter-thickness ratio and shows a soft form, the deformation is easy to generate under the external force, the large-area de-clustering and relative sliding deformation between the graphene can generate dissipation energy, therefore, the impact side effect of external force on the rubber-plastic matrix is reduced, the toughness is high, good impact strength can be given, on the other hand, excellent waterproof and barrier properties are shown, the laminated functionalized graphene SF-GNRS is favorable for heat conduction and uniform foaming in the heating process, the waterproof friction-increasing convex grains are regular in appearance, strong in stereoscopic impression and strong in mechanical property. Meanwhile, the waterproof friction-increasing convex particles and the low-temperature hot-melt adhesive layer of the TPU high-low temperature membrane can be well combined together in the foaming compounding process. The waterproof convex particles prepared by the method can protrude 2-3 mm relative to the surface of the TPU high-low temperature membrane, and the impact strength is high.
Detailed Description
Example 1
The embodiment provides a preparation method of a waterproof friction-increasing football shoe upper, which specifically comprises the following steps:
and S1, hot-pressing the TPU high-low temperature membrane and the vamp body by using a hot press to combine the TPU high-low temperature membrane on the vamp body, wherein the vamp body can be a fly-woven vamp body, and the vamp body is provided with a nail hanging hole. The TPU high-low temperature membrane is of a double-layer structure, the upper layer is a TPU surface layer, the lower layer is a low-temperature hot-melt adhesive layer, and after hot pressing, the low-temperature hot-melt adhesive layer is melted and firmly combined with the vamp body, while the TPU surface layer is not melted.
And S2, removing the TPU surface layer at the corresponding position of the TPU high-low temperature membrane in a laser cutting mode according to the friction increasing position to form a reinforced blind hole on the surface of the TPU high-low temperature membrane, wherein the section of the friction increasing blind hole is a cross hole.
And S3, coating the waterproof friction-increasing dispersion liquid into the reinforced blind holes, so that the waterproof friction-increasing dispersion liquid fills the reinforced blind holes and scrapes the waterproof friction-increasing dispersion liquid outside the reinforced blind holes.
The waterproof friction-increasing dispersion liquid consists of the following components in parts by weight: 70 parts of TPU granules, 8 parts of waterborne polyurethane resin, 1.0 part of foaming agent, 6 parts of impact modifier and 4 parts of laminated functionalized graphene SF-GNRs, wherein: the foaming agent is sodium bicarbonate, and the impact modifier is polyether block amide PEBA. The preparation process comprises the following steps: dispersing the laminated functionalized graphene SF-GNRs in the DMF solvent in parts by weight, ultrasonically dispersing for 2 hours, adding TPU granules, placing the mixture in a vacuum drying oven at 60-70 ℃ for swelling, stirring until the TPU granules are dissolved, and defoaming to obtain TPU/graphene dispersion liquid; and then adding the aqueous polyurethane resin, the impact modifier and the foaming agent into the TPU/graphene dispersion liquid, and performing ultrasonic dispersion uniformly. The impact modifier and the waterborne polyurethane are dissolved in a DMF solvent at 60-80 ℃ before being added, then a foaming agent is added, and the mixture is mixed with the TPU/graphene dispersion liquid after being uniformly stirred.
S4, foaming and compounding: and (3) correspondingly arranging the hanging nail holes, checking whether the concave-convex positions of the die are aligned, then loading the die on a hot press, wherein the temperature of an upper die is 280 ℃, the temperature of a lower die is 165 ℃, the pressure is 6kg, and the time is 58 seconds, so that the water-based polyurethane resin is mainly foamed and expanded, and the solvent is exhausted and volatilized in the expansion process, and then cooling is carried out, so that the waterproof friction-increasing convex particles of the TPU/SF-GNRs composite material, which are welded with the TPU surface layer of the TPU high-.
The football shoe vamp body structure that this embodiment made is: including vamp body, TPU high low temperature diaphragm, waterproof protruding grain that increases, TPU high low diaphragm hot pressing sets up on the vamp body and is equipped with the reinforcing blind hole on it, waterproof protruding grain that increases combines in the reinforcing blind hole and relative vamp body arch, just waterproof protruding grain that increases fuses with TPU high low temperature diaphragm together. The waterproof friction-increasing convex particles are in a cross shape and encircle the vamp body by 1 circle.
Example 2
The embodiment provides a preparation method of a waterproof friction-increasing football shoe upper, which specifically comprises the following steps:
and S1, hot-pressing the TPU high-low temperature membrane and the vamp body by using a hot press to combine the TPU high-low temperature membrane on the vamp body, wherein the vamp body can be a nano PU vamp body, and the vamp body is provided with a hanging nail hole. The TPU high-low temperature membrane is of a double-layer structure, the upper layer is a TPU surface layer, the lower layer is a low-temperature hot-melt adhesive layer, and after hot pressing, the low-temperature hot-melt adhesive layer is melted and firmly combined with the vamp body, while the TPU surface layer is not melted.
And S2, removing the TPU surface layer at the corresponding position of the TPU high-low temperature membrane in a laser cutting mode according to the friction increasing position to form a reinforced blind hole on the surface of the TPU high-low temperature membrane, wherein the section of the friction increasing blind hole is a round hole.
And S3, coating the waterproof friction-increasing dispersion liquid into the reinforced blind holes, so that the waterproof friction-increasing dispersion liquid fills the reinforced blind holes and scrapes the waterproof friction-increasing dispersion liquid outside the reinforced blind holes.
The waterproof friction-increasing dispersion liquid consists of the following components in parts by weight: 60 parts of TPU granules, 5 parts of waterborne polyurethane resin, 0.5 part of foaming agent, 8 parts of impact modifier and 2 parts of laminated functionalized graphene SF-GNRs, wherein: the foaming agent is foaming agent TSH, and the impact modifier is polyether block amide PEBA. The preparation process comprises the following steps: dispersing the laminated functionalized graphene SF-GNRs in the DMF solvent in parts by weight, ultrasonically dispersing for 1 hour, adding TPU granules, placing the mixture in a vacuum drying oven at the temperature of 60-70 ℃ for swelling, stirring until the TPU granules are dissolved, and defoaming to obtain TPU/graphene dispersion liquid; and then adding the aqueous polyurethane resin, the impact modifier and the foaming agent into the TPU/graphene dispersion liquid, and performing ultrasonic dispersion uniformly. The impact modifier and the waterborne polyurethane are dissolved in a DMF solvent at 60-80 ℃ before being added, then a foaming agent is added, and the mixture is mixed with the TPU/graphene dispersion liquid after being uniformly stirred.
S4, foaming and compounding: and (3) correspondingly arranging the hanging nail holes, checking whether the concave-convex positions of the die are aligned, then loading the die on a hot press, enabling the temperature of an upper die to be 270 ℃, the temperature of a lower die to be 160 ℃, the pressure to be 5kg and the time to be 60 seconds, enabling the water-based polyurethane resin to be foamed and expanded mainly, exhausting gas and volatilizing a solvent in the expansion process, and then cooling to obtain the waterproof friction-increasing convex particles of the TPU/SF-GNRs composite material, which are welded with the TPU surface layer of the TPU high-low.
The football shoe vamp body structure that this embodiment made is: including vamp body, TPU high low temperature diaphragm, waterproof protruding grain that increases, TPU high low diaphragm hot pressing sets up on the vamp body and is equipped with the reinforcing blind hole on it, waterproof protruding grain that increases combines in the reinforcing blind hole and relative vamp body arch, just waterproof protruding grain that increases fuses with TPU high low temperature diaphragm together. The waterproof friction-increasing convex particles are circular and are positioned on the outer side of the toe cap of the vamp body.
Example 3
The embodiment provides a preparation method of a waterproof friction-increasing football shoe upper, which specifically comprises the following steps:
and S1, hot-pressing the TPU high-low temperature membrane and the vamp body by using a hot press to combine the TPU high-low temperature membrane on the vamp body, wherein the vamp body can be a fly-woven vamp body, and the vamp body is provided with a nail hanging hole. The TPU high-low temperature membrane is of a double-layer structure, the upper layer is a TPU surface layer, the lower layer is a low-temperature hot-melt adhesive layer, and after hot pressing, the low-temperature hot-melt adhesive layer is melted and firmly combined with the vamp body, while the TPU surface layer is not melted.
And S2, removing the TPU surface layer at the corresponding position of the TPU high-low temperature membrane in a laser cutting mode according to the friction increasing position to form a reinforced blind hole on the surface of the TPU high-low temperature membrane, wherein the section of the friction increasing blind hole is a triangular hole.
And S3, coating the waterproof friction-increasing dispersion liquid into the reinforced blind holes, so that the waterproof friction-increasing dispersion liquid fills the reinforced blind holes and scrapes the waterproof friction-increasing dispersion liquid outside the reinforced blind holes.
The waterproof friction-increasing dispersion liquid consists of the following components in parts by weight: 80 parts of TPU granules, 10 parts of waterborne polyurethane resin, 1.0 part of foaming agent, 8 parts of impact modifier and 4 parts of laminated functionalized graphene SF-GNRs, wherein: the foaming agent is azodicarbonamide, and the impact modifier is polyether block amide PEBA. The preparation process comprises the following steps: dispersing the laminated functionalized graphene SF-GNRs in the DMF solvent in parts by weight, ultrasonically dispersing for 1.5 hours, adding TPU granules, placing the mixture in a vacuum drying oven at 60-70 ℃ for swelling, stirring until the TPU granules are dissolved, and defoaming to obtain TPU/graphene dispersion liquid; and then adding the aqueous polyurethane resin, the impact modifier and the foaming agent into the TPU/graphene dispersion liquid, and performing ultrasonic dispersion uniformly. The impact modifier and the waterborne polyurethane are dissolved in a DMF solvent at 60-80 ℃ before being added, then a foaming agent is added, and the mixture is mixed with the TPU/graphene dispersion liquid after being uniformly stirred.
S4, foaming and compounding: and (3) corresponding to the nail hanging hole, checking whether the concave-convex positions of the die are aligned, then putting the die on a hot press, wherein the temperature of an upper die is 290 ℃, the temperature of a lower die is 170 ℃, the pressure is 5.5kg, and the time is 55 seconds, so that the aqueous polyurethane resin is mainly foamed and expanded, and the solvent is exhausted and volatilized in the expansion process, and then cooling is carried out, so that the waterproof friction-increasing convex particles of the TPU/SF-GNRs composite material, which are welded with the TPU surface layer of the TPU high-low temperature.
The football shoe vamp body structure that this embodiment made is: including vamp body, TPU high low temperature diaphragm, waterproof protruding grain that increases, TPU high low diaphragm hot pressing sets up on the vamp body and is equipped with the reinforcing blind hole on it, waterproof protruding grain that increases combines in the reinforcing blind hole and relative vamp body arch, just waterproof protruding grain that increases fuses with TPU high low temperature diaphragm together. The waterproof friction-increasing convex particles are triangular and are positioned at the inner and outer waists and the toe cap of the vamp body.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. The preparation method of the waterproof friction-increasing football shoe vamp is characterized in that: the method specifically comprises the following steps:
s1, combining the TPU high-temperature and low-temperature membrane on the vamp body through hot pressing;
s2, removing the TPU surface layer at the corresponding position of the TPU high and low temperature membrane according to the friction increasing position to form a reinforced blind hole on the surface of the TPU high and low temperature membrane;
s3, coating a waterproof friction-increasing dispersion liquid in the reinforcing blind holes, wherein the waterproof friction-increasing dispersion liquid comprises the following components in parts by weight: 60-80 parts of TPU granules, 5-10 parts of waterborne polyurethane resin, 0.5-1.0 part of foaming agent, 5-8 parts of impact modifier and 2-4 parts of laminated functionalized graphene SF-GNRs;
and S4, foaming and compounding to form the TPU composite vamp body with waterproof friction-increasing convex particles.
2. The method of making a waterproof, friction-increasing sneaker upper according to claim 1, wherein: and in the step S2, the TPU surface layer of the TPU high-temperature and low-temperature membrane is removed in a laser cutting mode.
3. The method of making a waterproof, friction-increasing sneaker upper according to claim 1, wherein: the section of the friction-increasing blind hole in the step S2 is a round hole, a triangular hole or a cross hole.
4. The method of making a waterproof, friction-increasing sneaker upper according to claim 1, wherein: the preparation process of the waterproof friction-increasing dispersion liquid in the step S3 comprises the following steps: dispersing the laminated functionalized graphene SF-GNRs in the DMF solvent in parts by weight, adding TPU granules after ultrasonic dispersion, placing the mixture in a vacuum drying oven at 60-70 ℃ for swelling, stirring until the TPU granules are dissolved, and defoaming to obtain TPU/graphene dispersion liquid; and then adding the aqueous polyurethane resin, the impact modifier and the foaming agent into the TPU/graphene dispersion liquid, and performing ultrasonic dispersion uniformly.
5. The method of making a waterproof, friction-increasing football shoe upper according to claim 4, wherein: the impact modifier is polyether block amide PEBA.
6. The method of making a waterproof, friction-increasing football shoe upper according to claim 4, wherein: the impact modifier and the waterborne polyurethane are dissolved in a DMF solvent at 60-80 ℃ before being added, then a foaming agent is added, and the mixture is mixed with the TPU/graphene dispersion liquid after being uniformly stirred.
7. The method of making a waterproof, friction-increasing sneaker upper according to claim 1, wherein: the foaming compounding in the step S4 specifically includes: and (3) corresponding to the nail hanging hole, checking whether the concave-convex positions of the die are aligned, then putting the die on a hot press, wherein the temperature of an upper die is 270-290 ℃, the temperature of a lower die is 160-170 ℃, the pressure is 5-6 kg, and the time is 55-60 seconds, so that the main foaming expansion of the waterborne polyurethane resin is realized, the air is exhausted in the expansion process, the solvent is volatilized, and then, the cooling is carried out, and the waterproof friction-increasing convex particles of the TPU/SF-GNRs composite material which is welded with the TPU surface layer of the TPU high-.
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| CN202011578131.XA CN112602991B (en) | 2020-12-28 | 2020-12-28 | Preparation method of waterproof friction-increasing football shoe vamp |
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| CN104273777A (en) * | 2014-09-09 | 2015-01-14 | 晋江市超达鞋服有限公司 | Novel football shoes |
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