CN113827931B - Thermoplastic polyurethane ball structure and method of making same - Google Patents
Thermoplastic polyurethane ball structure and method of making same Download PDFInfo
- Publication number
- CN113827931B CN113827931B CN202010510735.4A CN202010510735A CN113827931B CN 113827931 B CN113827931 B CN 113827931B CN 202010510735 A CN202010510735 A CN 202010510735A CN 113827931 B CN113827931 B CN 113827931B
- Authority
- CN
- China
- Prior art keywords
- layer
- thermoplastic polyurethane
- extruder
- ball
- resilience
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B41/00—Hollow inflatable balls
- A63B41/02—Bladders
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B41/00—Hollow inflatable balls
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B41/00—Hollow inflatable balls
- A63B41/08—Ball covers; Closures therefor
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B45/00—Apparatus or methods for manufacturing balls
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a thermoplastic polyurethane ball structure and a manufacturing method thereof. The thermoplastic polyurethane ball structure comprises: the ball liner layer is made of a thermoplastic polyurethane material; the yarn layer is made of thermoplastic polyurethane material and wraps the ball liner layer; the surface layer is made of thermoplastic polyurethane material, and the surface layer covers the yarn layer. The invention also provides a manufacturing method of the thermoplastic polyurethane ball structure. The thermoplastic polyurethane ball structure is made of thermoplastic polyurethane materials, meets the requirement of environmental protection and can be recycled. In addition, the layers do not need to be bonded by using an adhesive, so that the peeling strength between the layers can be improved, and the integral peeling strength of the thermoplastic polyurethane ball structure is improved.
Description
Technical Field
The invention relates to a thermoplastic polyurethane ball structure and a manufacturing method thereof.
Background
The prior football structure is made of materials such as a rubber liner, nylon (Nylon) long fiber, ethylene-vinyl acetate copolymer (EVA) foam and the like, however, a solvent is needed in the prior football making process, and the solvent can harm the environment and does not meet the requirement of environmental protection. In addition, in the existing football manufacturing process, each layer needs to be bonded by using an adhesive, and because the materials of each layer are different, the peel strength between the layers is poor, so that the overall peel strength of the existing football structure is insufficient.
Therefore, there is a need to provide a new and improved thermoplastic polyurethane ball structure and method for making the same to solve the above-mentioned disadvantages.
Disclosure of Invention
The invention relates to a thermoplastic polyurethane ball structure. In one embodiment, the thermoplastic polyurethane ball structure comprises: a ball liner layer, a yarn layer and a surface layer. The ball inner container layer is made of thermoplastic polyurethane material. The yarn layer is made of thermoplastic polyurethane materials, and the yarn layer covers the ball inner container layer. The skin layer is made of thermoplastic polyurethane materials, and the yarn layer is wrapped by the skin layer.
The invention relates to a method for manufacturing a thermoplastic polyurethane ball structure. In one embodiment, the method of making the thermoplastic polyurethane ball structure comprises the steps of: manufacturing a ball inner container layer which is made of thermoplastic polyurethane material; covering the ball inner container layer with thermoplastic polyurethane yarns to form a yarn layer; manufacturing a surface layer which is made of thermoplastic polyurethane material; and covering the surface layer with the yarn layer and carrying out thermal processing treatment.
Drawings
FIG. 1 is a schematic diagram of the structure of a thermoplastic polyurethane ball according to one embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a ball liner layer according to an embodiment of the invention.
FIG. 3 is a schematic structural diagram of a skin layer according to an embodiment of the present invention.
FIG. 4 is a flow chart of a method for manufacturing a thermoplastic polyurethane ball structure according to an embodiment of the present invention.
FIG. 5 is a graph comparing the breaking strength at 10% elongation of thermoplastic polyurethane yarns according to one embodiment of the present invention.
Description of the symbols
10. Thermoplastic polyurethane ball structure
11. Inner layer of ball
12. Yarn layer
13. Epidermal layer
111. First high resilience thermoplastic polyurethane layer
112. Highly airtight thermoplastic polyurethane layer
113. Second high resilience thermoplastic polyurethane layer
131. Outer skin layer
132. Foamed latex layer
133. Unfoamed latex layer
S41-S44 steps
Detailed Description
The technical solutions of the present invention will be described in detail below in order to clearly understand the technical features, objects, and advantages of the present invention, but the present invention is not limited to the practical scope of the present invention.
Referring to fig. 1, a schematic structural diagram of a thermoplastic polyurethane ball structure according to an embodiment of the present invention is shown. In one embodiment, the thermoplastic polyurethane ball structure 10 of the present invention comprises: a ball bladder layer 11, a yarn layer 12 and a skin layer 13. The ball liner layer 11 is made of Thermoplastic Polyurethane (TPU) material. The yarn layer 12 is made of Thermoplastic Polyurethane (TPU) material, and the yarn layer 12 covers the ball liner layer 11. The skin layer 13 is made of Thermoplastic Polyurethane (TPU) material, and the yarn layer 12 is covered by the skin layer 13. The thermoplastic polyurethane ball structure 10 of the present invention can be applied to various balls such as soccer balls, etc., but is not limited thereto.
In one embodiment, the ball bladder layer 11 is made by winding thermoplastic polyurethane filament and using a ball bladder process. Fig. 2 is a schematic structural diagram of a ball liner layer according to an embodiment of the invention. In one embodiment, the inner bladder layer 11 includes a first high resilience thermoplastic polyurethane layer 111, a high airtight thermoplastic polyurethane layer 112, and a second high resilience thermoplastic polyurethane layer 113. The high gas-tight thermoplastic polyurethane layer 112 is disposed on the second high resilience thermoplastic polyurethane layer 113, and the first high resilience thermoplastic polyurethane layer 111 is disposed on the high gas-tight thermoplastic polyurethane layer 112. The thickness composite ratio of the first high resilience thermoplastic polyurethane layer 111, the high airtight thermoplastic polyurethane layer 112 and the second high resilience thermoplastic polyurethane layer 113 is 1:2:1. in one embodiment, the thickness of the first high resilience thermoplastic polyurethane layer 111 may be 0.05mm, the thickness of the high airtight thermoplastic polyurethane layer 112 may be 0.1mm, and the thickness of the second high resilience thermoplastic polyurethane layer 113 may be 0.05mm.
In one embodiment, the yarn layer 12 is formed from a wrapped yarn of thermoplastic polyurethane or a hot melt yarn of thermoplastic polyurethane. The thermoplastic polyurethane wrap yarn or thermoplastic polyurethane hot melt yarn may be a thermoplastic polyurethane elastomer. The yarn layer 12 may be heat treated to melt bond the bladder layer 11 and the skin layer 13.
Fig. 3 is a schematic structural diagram of the epidermis layer according to an embodiment of the present invention. In one embodiment, the skin layer 13 includes an outer skin layer 131 and a latex layer. The latex layer comprises a foamed latex layer 132 and an unfoamed latex layer 133, the foamed latex layer 132 is arranged on the unfoamed latex layer 133, and the outer skin layer 131 is arranged on the foamed latex layer 132. The thickness composite ratio of the outer skin layer 131, the foamed latex layer 132 and the unfoamed latex layer 133 is 1:8:1. in one embodiment, the outer skin layer 131 has a thickness of 0.1 to 0.3mm, the foamed latex layer 132 has a thickness of 0.4 to 1.6mm, and the unfoamed latex layer 133 has a thickness of 0.1 to 0.3mm. In one embodiment, the thickness of the outer skin layer 131 may be 0.2mm, the thickness of the foamed latex layer 132 may be 1.6mm, and the thickness of the unfoamed latex layer 133 may be 0.2mm.
The thermoplastic polyurethane ball structure 10 of the present invention is made entirely of thermoplastic polyurethane material, meets the environmental protection requirements, is recyclable, does not require any solvent, and does not harm the environment. Moreover, each layer of the thermoplastic polyurethane ball structure 10 of the present invention is made of the same thermoplastic polyurethane material, and it is not necessary to bond each layer with an adhesive, and the thermoplastic polyurethane ball structure 10 of the present invention can bond each layer by melting, which can improve the peel strength between each layer, and improve the overall peel strength of the thermoplastic polyurethane ball structure 10 of the present invention.
Referring to fig. 4, a flow chart of a manufacturing method of the thermoplastic polyurethane ball structure according to an embodiment of the invention is shown. Referring to fig. 1 and 4, first, in step S41, the ball bladder layer 11 is made of a thermoplastic polyurethane material. In one embodiment, the step of fabricating the inner bladder layer comprises: preparing thermoplastic polyurethane particles with the viscosity of 0.5-2, drying the thermoplastic polyurethane particles through a drying cylinder to enable the water content of the thermoplastic polyurethane particles to be 20-50ppm, using a melt spinning process to convey the dried thermoplastic polyurethane particles into an extruder, melting the thermoplastic polyurethane particles, conveying the thermoplastic polyurethane particles to a metering pump, conveying the thermoplastic polyurethane particles to a spinning assembly through the metering pump to spray thermoplastic polyurethane filaments, cooling the thermoplastic polyurethane filaments through cooling air with the air temperature of 10-50 ℃, extending the thermoplastic polyurethane filaments through a Drawing rollers device, winding the thermoplastic polyurethane filaments through a Winder (windder) to obtain 200-500den thermoplastic polyurethane long fibers, and using a ball liner process to obtain the ball liner layer 11.
In one embodiment, the thermoplastic polyurethane long fiber has physical properties of 5 to 15g/d, 10% initial strength of 0.5 to 1.5kgf, and elongation of 5 to 30%.
Referring to fig. 1, fig. 2 and fig. 4, in an embodiment, the step of manufacturing the ball liner layer 11 includes: a step of manufacturing a first high resilience thermoplastic polyurethane layer 111, a highly airtight thermoplastic polyurethane layer 112 and a second high resilience thermoplastic polyurethane layer 113, in which thermoplastic polyurethane particles are dried with a first dryer to have a water content of 300ppm or less, and the thermoplastic polyurethane particles are melted with a first extruder having a melting temperature of 160 ℃ to 180 ℃, in one embodiment, the melting temperature of the first extruder is set to 160 ℃, 180 ℃ and 175 ℃ in this order. The DIE temperature is 180 ℃ and the first high resilience thermoplastic polyurethane layer 111 is produced by a first metering pump.
In one embodiment, the thermoplastic polyurethane particles are dried with a second dryer to a water content of 300ppm or less, and the thermoplastic polyurethane particles are melted by a second extruder having a melting temperature of 160 ℃ to 190 ℃, and in one embodiment, the melting temperature of the second extruder is set to 160 ℃, 190 ℃, 180 ℃ in this order. The DIE temperature is 180 ℃ and a second metering pump is used to produce the highly airtight thermoplastic polyurethane layer 112.
In one embodiment, the thermoplastic polyurethane particles are dried to a water content of 300ppm or less by a third dryer, and the thermoplastic polyurethane particles are melted by a third extruder having a melting temperature of 160 ℃ to 180 ℃, and in one embodiment, the melting temperature of the third extruder is set to 160 ℃, 180 ℃, and 175 ℃ in this order. The DIE temperature is 180 ℃ and passes through a third metering pump to make the second high resilience thermoplastic polyurethane layer 113.
The high-air-tightness thermoplastic polyurethane layer 112 is arranged on the second high-resilience thermoplastic polyurethane layer 113 by a first film laminating wheel cooling film, and the first high-resilience thermoplastic polyurethane layer 111 is arranged on the high-air-tightness thermoplastic polyurethane layer 112. The thickness composite ratio of the first high resilience thermoplastic polyurethane layer 111, the high airtight thermoplastic polyurethane layer 112 and the second high resilience thermoplastic polyurethane layer 113 is 1:2:1. in one embodiment, the first lamination wheel speed is 4.0m/min to make the inner bladder layer 11 with a total thickness of 0.2mm, the thickness of the first high resilience thermoplastic polyurethane layer 111 can be 0.05mm, the thickness of the high airtight thermoplastic polyurethane layer 112 can be 0.1mm, and the thickness of the second high resilience thermoplastic polyurethane layer 113 can be 0.05mm. The test data is shown in the following table 1:
TABLE 1
Referring to fig. 1 and 4, in step S42, the ball bladder layer 11 is covered with thermoplastic polyurethane yarn to form a yarn layer 12. In one embodiment, the thermoplastic polyurethane yarn is wrapped around the bladder layer 11 to form the yarn layer 12. Referring to the following comparison graph of breaking strength at 10% elongation (fig. 5), which shows the comparison of the conventional NYLON (NYLON 66 220D) yarn with the thermoplastic polyurethane yarn of the present invention (HT-F210D), it is apparent that the breaking strength of the thermoplastic polyurethane yarn of the present invention (HT-F210D) is higher than that of the conventional NYLON (NYLON 66 220D) yarn in each tensile test. And the breaking strength is relatively average each time.
Referring to fig. 1, fig. 3 and fig. 4, referring to step S43, a skin layer 13 made of a thermoplastic polyurethane material is manufactured. In one embodiment, the step of forming the skin layer 13 includes: a step of manufacturing an outer skin layer 131, a foamed latex layer 132 and an unfoamed latex layer 133, in which thermoplastic polyurethane particles having a Shore hardness of 80-90A and a melting point of 140-160 ℃ are used, and the thermoplastic polyurethane particles are dried by a fourth dryer so that the water content is less than 300 ppm. And melting the thermoplastic polyurethane pellets using a fourth extruder having a melting temperature of 185 ℃ to 200 ℃, in one embodiment, the melting temperature of the fourth extruder is set to 185 ℃, 200 ℃, 195 ℃ in this order. The outer skin layer 131 is made with a DIE temperature of 185 ℃ by a fourth metering pump.
In one embodiment, thermoplastic polyurethane particles having a Shore hardness of 60 to 85A and a melting point of 120 to 140 ℃ are used, and the thermoplastic polyurethane particles are dried by a fifth dryer so that the water content is 300ppm or less. And melting the thermoplastic polyurethane particles by a fifth extruder, and adding 0.5-5.0% of microsphere foaming agent, wherein the melting temperature of the fifth extruder is 160-190 ℃, and in one embodiment, the melting temperature of the fifth extruder is set to 160 ℃, 190 ℃ and 185 ℃ in sequence. DIE temperature is 185 deg.C, through a fifth metering pump, to make the foamed latex layer 132.
In one embodiment, thermoplastic polyurethane particles having a Shore hardness of 60-85A and a melting point of 90-130 ℃ are used, the thermoplastic polyurethane particles are dried by a sixth dryer to have a water content of 300ppm or less, and the thermoplastic polyurethane particles are melted by a sixth extruder having a melting temperature of 160-180 ℃, and in one embodiment, the melting temperature of the sixth extruder is set to 160 ℃, 180 ℃, and 170 ℃ in this order. The DIE temperature is 185 ℃ and passes through a sixth metering pump to make the unfoamed latex layer 133.
In one embodiment, a second lamination wheel is used to cool the latex layer 132 to form a film, such that the foamed latex layer 132 is disposed on the unfoamed latex layer 133, and the outer skin layer 131 is disposed on the foamed latex layer 132. The thickness composite ratio of the outer skin layer 131, the foamed latex layer 132 and the unfoamed latex layer 133 is 1:8:1. in one embodiment, the speed of the second lamination wheel is 4.0m/min to manufacture the skin layer 13 with a total thickness of 2.0mm, the thickness of the skin layer 131 can be 0.2mm, the thickness of the foamed latex layer 132 can be 1.6mm, and the thickness of the unfoamed latex layer 133 can be 0.2mm. In one embodiment, the outer skin layer 131 has a thickness of 0.1-0.3mm, the foamed latex layer 132 has a thickness of 0.4-1.6mm, and the unfoamed latex layer 133 has a thickness of 0.1-0.3mm.
Referring to fig. 1 and 4, in step S44, the skin layer 13 is wrapped around the yarn layer 12 and is subjected to a thermal processing treatment. In one embodiment, the yarn layer 12 is melt-bondable to the bladder layer 11 and the skin layer 13 using a thermal processing treatment.
In one embodiment, the manufacturing method of the present invention further includes a step of pressing the transfer texture by using a cooling wheel (Cold mold) to transfer the texture to the outer skin layer 131.
The manufacturing method of the thermoplastic polyurethane ball structure 10 of the present invention is completely made of thermoplastic polyurethane material, meets the requirement of environmental protection and can be recycled, and the manufacturing method does not need any solvent and does not harm the environment. Moreover, each layer of the thermoplastic polyurethane ball structure 10 of the present invention is made of the same thermoplastic polyurethane material, and it is not necessary to bond each layer with an adhesive, and the manufacturing method of the thermoplastic polyurethane ball structure 10 of the present invention bonds each layer by melting, which can improve the peel strength between each layer and improve the overall peel strength of the thermoplastic polyurethane ball structure 10 of the present invention.
The foregoing examples are illustrative of the principles and effects of the present invention, and are not to be construed as limiting thereof. Modifications and variations of the above-described embodiments may be made by those skilled in the art without departing from the spirit of the invention. The scope of the invention is to be determined by the following claims.
Claims (7)
1. A thermoplastic polyurethane ball structure comprising:
the ball inner container layer is made of thermoplastic polyurethane material;
the yarn layer is made of thermoplastic polyurethane material and covers the ball liner layer; and
the surface layer is made of thermoplastic polyurethane material and wraps the yarn layer;
wherein, the epidermal layer includes an ectoderm and a emulsion layer, the emulsion layer includes a foaming emulsion layer and a not foaming emulsion layer, the foaming emulsion layer set up in on the not foaming emulsion layer, the ectoderm set up in on the foaming emulsion layer, the ectoderm the foaming emulsion layer reaches the thickness complex of not foaming emulsion layer compares 1:8:1, the thickness of the outer skin layer is 0.1-0.3mm, the thickness of the foamed latex layer is 0.4-1.6mm, and the thickness of the unfoamed latex layer is 0.1-0.3mm; the ball inner bag layer includes that a first high resilience thermoplasticity polyurethane layer, a high airtight thermoplasticity polyurethane layer and the high resilience thermoplasticity polyurethane layer of second kick-back, high airtight thermoplasticity polyurethane layer sets up on the high resilience thermoplasticity polyurethane layer of second, first high resilience thermoplasticity polyurethane layer set up in on the high airtight thermoplasticity polyurethane layer, first high resilience thermoplasticity polyurethane layer high airtight thermoplasticity polyurethane layer reaches the thickness complex ratio on the high resilience thermoplasticity polyurethane layer of second is 1:2:1;
the manufacturing method of the thermoplastic polyurethane ball structure comprises the following steps:
manufacturing a ball inner container layer which is made of thermoplastic polyurethane material;
covering the ball inner container layer with thermoplastic polyurethane yarns to form a yarn layer;
manufacturing a surface layer which is made of thermoplastic polyurethane material; and
wrapping the surface layer with the yarn layer, and carrying out thermal processing treatment;
wherein, in the step of manufacturing the ball inner container layer, the method comprises the following steps: a step of producing a first high resilience thermoplastic polyurethane layer, a high airtight thermoplastic polyurethane layer and a second high resilience thermoplastic polyurethane layer, wherein thermoplastic polyurethane particles are dried by a first dryer to have a water content of 300ppm or less, and thermoplastic polyurethane particles are melted by a first extruder at a melting temperature of 160 ℃ to 180 ℃ and a DIE temperature of 180 ℃ to produce the first high resilience thermoplastic polyurethane layer by a first metering pump; drying the thermoplastic polyurethane particles by a second dryer to enable the water content to be below 300ppm, melting the thermoplastic polyurethane particles by a second extruder, wherein the melting temperature of the second extruder is 160-190 ℃, the DIE temperature is 180 ℃, and the high-airtightness thermoplastic polyurethane layer is manufactured by a second metering pump; drying the thermoplastic polyurethane particles by a third dryer to enable the water content to be below 300ppm, melting the thermoplastic polyurethane particles by a third extruder, wherein the melting temperature of the third extruder is 160-180 ℃, the DIE temperature is 180 ℃, and the second high-resilience thermoplastic polyurethane layer is manufactured by a third metering pump; utilizing a first film laminating wheel to cool and form a film so that the high-airtightness thermoplastic polyurethane layer is arranged on a second high-resilience thermoplastic polyurethane layer, the first high-resilience thermoplastic polyurethane layer is arranged on the high-airtightness thermoplastic polyurethane layer, and the thickness composite ratio of the first high-resilience thermoplastic polyurethane layer, the high-airtightness thermoplastic polyurethane layer and the second high-resilience thermoplastic polyurethane layer is 1:2:1.
2. a thermoplastic polyurethane ball structure comprising:
the ball inner container layer is made of thermoplastic polyurethane material;
the yarn layer is made of thermoplastic polyurethane material and covers the ball liner layer; and
the surface layer is made of thermoplastic polyurethane material and wraps the yarn layer;
wherein, the epidermal layer includes an ectoderm and a emulsion layer, the emulsion layer includes a foaming emulsion layer and a not foaming emulsion layer, the foaming emulsion layer set up in on the not foaming emulsion layer, the ectoderm set up in on the foaming emulsion layer, the ectoderm the foaming emulsion layer reaches the thickness complex of not foaming emulsion layer compares 1:8:1, the thickness of the outer skin layer is 0.1-0.3mm, the thickness of the foamed latex layer is 0.4-1.6mm, and the thickness of the unfoamed latex layer is 0.1-0.3mm; the ball inner bag layer includes that a first high resilience thermoplasticity polyurethane layer, a high airtight thermoplasticity polyurethane layer and the high resilience thermoplasticity polyurethane layer of second kick-back, high airtight thermoplasticity polyurethane layer sets up on the high resilience thermoplasticity polyurethane layer of second, first high resilience thermoplasticity polyurethane layer set up in on the high airtight thermoplasticity polyurethane layer, first high resilience thermoplasticity polyurethane layer high airtight thermoplasticity polyurethane layer reaches the thickness complex ratio on the high resilience thermoplasticity polyurethane layer of second is 1:2:1;
the manufacturing method of the thermoplastic polyurethane ball structure comprises the following steps:
manufacturing a ball inner container layer which is made of thermoplastic polyurethane material;
covering the ball inner container layer with thermoplastic polyurethane yarns to form a yarn layer;
manufacturing a surface layer which is made of thermoplastic polyurethane material; and
wrapping the surface layer with the yarn layer, and carrying out thermal processing treatment;
wherein the step of forming the skin layer comprises: a step of manufacturing an outer skin layer, a foamed latex layer and an unfoamed latex layer, wherein thermoplastic polyurethane particles are dried by a fourth dryer to make the water content below 300ppm, and the thermoplastic polyurethane particles are melted by a fourth extruder, the melting temperature of the fourth extruder is 185-200 ℃, the DIE temperature is 185 ℃, and the outer skin layer is manufactured by a fourth metering pump; drying the thermoplastic polyurethane particles by a fifth dryer to enable the water content to be below 300ppm, melting the thermoplastic polyurethane particles by a fifth extruder, adding 0.5-5.0% of microsphere foaming agent, wherein the melting temperature of the fifth extruder is 160-190 ℃, the DIE temperature is 185 ℃, and passing through a fifth metering pump to manufacture the foamed latex layer; drying the thermoplastic polyurethane particles by a sixth dryer to enable the water content to be below 300ppm, melting the thermoplastic polyurethane particles by a sixth extruder, wherein the melting temperature of the sixth extruder is 160-180 ℃, the DIE temperature is 185 ℃, and passing through a sixth metering pump to manufacture the unfoamed latex layer; utilizing a second film spraying wheel to cool and form a film, so that the foamed latex layer is arranged on the unfoamed latex layer, the outer skin layer is arranged on the foamed latex layer, the thickness of the outer skin layer is 0.1-0.3mm, the thickness of the foamed latex layer is 0.4-1.6mm, the thickness of the unfoamed latex layer is 0.1-0.3mm, and the thickness composite ratio of the outer skin layer, the foamed latex layer and the unfoamed latex layer is 1:8:1.
3. a thermoplastic polyurethane ball structure as in claim 1 or 2, wherein the yarn layer is wrapped around the ball bladder layer.
4. A thermoplastic polyurethane ball structure according to claim 1 or 2, wherein the yarn layer is made of a thermoplastic polyurethane wrap yarn or a thermoplastic polyurethane hot melt yarn.
5. A method of making a thermoplastic polyurethane ball structure comprising the steps of:
manufacturing a ball inner container layer which is made of thermoplastic polyurethane material;
covering the ball inner container layer with thermoplastic polyurethane yarns to form a yarn layer;
manufacturing a surface layer which is made of thermoplastic polyurethane material; and
wrapping the surface layer with the yarn layer and carrying out thermal processing treatment;
wherein, in the step of manufacturing the ball inner container layer, the method comprises the following steps: a step of producing a first high resilience thermoplastic polyurethane layer, a high airtight thermoplastic polyurethane layer and a second high resilience thermoplastic polyurethane layer, wherein thermoplastic polyurethane particles are dried by a first dryer to have a water content of 300ppm or less, and thermoplastic polyurethane particles are melted by a first extruder at a melting temperature of 160 ℃ to 180 ℃ and a DIE temperature of 180 ℃ to produce the first high resilience thermoplastic polyurethane layer by a first metering pump; drying the thermoplastic polyurethane particles by a second dryer to enable the water content to be below 300ppm, melting the thermoplastic polyurethane particles by a second extruder, wherein the melting temperature of the second extruder is 160-190 ℃, the DIE temperature is 180 ℃, and passing through a second metering pump to manufacture the high-airtight thermoplastic polyurethane layer; drying the thermoplastic polyurethane particles by a third dryer to enable the water content to be below 300ppm, melting the thermoplastic polyurethane particles by a third extruder, wherein the melting temperature of the third extruder is 160-180 ℃, the DIE temperature is 180 ℃, and passing through a third metering pump to manufacture the second high-resilience thermoplastic polyurethane layer; utilizing a first film laminating wheel to cool and form a film so that the high-airtightness thermoplastic polyurethane layer is arranged on a second high-resilience thermoplastic polyurethane layer, the first high-resilience thermoplastic polyurethane layer is arranged on the high-airtightness thermoplastic polyurethane layer, and the thickness composite ratio of the first high-resilience thermoplastic polyurethane layer, the high-airtightness thermoplastic polyurethane layer and the second high-resilience thermoplastic polyurethane layer is 1:2:1.
6. a method of making a thermoplastic polyurethane ball structure comprising the steps of:
manufacturing a ball inner container layer which is made of thermoplastic polyurethane material;
covering the ball liner layer with thermoplastic polyurethane yarn to form a yarn layer;
manufacturing a surface layer which is made of thermoplastic polyurethane material; and
wrapping the surface layer with the yarn layer, and carrying out thermal processing treatment;
wherein the step of forming the skin layer comprises: a step of manufacturing an outer skin layer, a foamed latex layer and an unfoamed latex layer, wherein thermoplastic polyurethane particles are dried by a fourth dryer to make the water content below 300ppm, and the thermoplastic polyurethane particles are melted by a fourth extruder, the melting temperature of the fourth extruder is 185-200 ℃, the DIE temperature is 185 ℃, and the outer skin layer is manufactured by a fourth metering pump; drying the thermoplastic polyurethane particles by a fifth dryer to enable the water content to be below 300ppm, melting the thermoplastic polyurethane particles by a fifth extruder, adding 0.5-5.0% of a microsphere foaming agent, wherein the melting temperature of the fifth extruder is 160-190 ℃, the DIE temperature is 185 ℃, and passing through a fifth metering pump to manufacture the foamed latex layer; drying the thermoplastic polyurethane particles by a sixth dryer to enable the water content to be below 300ppm, melting the thermoplastic polyurethane particles by a sixth extruder, wherein the melting temperature of the sixth extruder is 160-180 ℃, the DIE temperature is 185 ℃, and passing through a sixth metering pump to manufacture the unfoamed latex layer; utilizing a second film spraying wheel to cool and form a film, so that the foamed latex layer is arranged on the unfoamed latex layer, the outer skin layer is arranged on the foamed latex layer, the thickness of the outer skin layer is 0.1-0.3mm, the thickness of the foamed latex layer is 0.4-1.6mm, the thickness of the unfoamed latex layer is 0.1-0.3mm, and the thickness composite ratio of the outer skin layer, the foamed latex layer and the unfoamed latex layer is 1:8:1.
7. a method of manufacturing a thermoplastic polyurethane ball structure of claim 5 or 6, wherein the step of manufacturing the ball bladder layer comprises: preparing thermoplastic polyurethane granules with the viscosity of 0.5-2, drying the thermoplastic polyurethane granules by a drying cylinder to ensure that the water content of the thermoplastic polyurethane granules is between 20 and 50ppm, conveying the dried thermoplastic polyurethane granules into an extruder by using a melt spinning process, melting the thermoplastic polyurethane granules, conveying the thermoplastic polyurethane granules to a metering pump by the metering pump, spraying thermoplastic polyurethane filaments by the metering pump, cooling the thermoplastic polyurethane filaments by cooling air with the air temperature of 10-50 ℃, extending by an extending roller device, winding by a winding machine to prepare 200-500den thermoplastic polyurethane long fibers, and performing a ball liner process to prepare the ball liner layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010510735.4A CN113827931B (en) | 2020-06-08 | 2020-06-08 | Thermoplastic polyurethane ball structure and method of making same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010510735.4A CN113827931B (en) | 2020-06-08 | 2020-06-08 | Thermoplastic polyurethane ball structure and method of making same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113827931A CN113827931A (en) | 2021-12-24 |
| CN113827931B true CN113827931B (en) | 2022-10-28 |
Family
ID=78963581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010510735.4A Active CN113827931B (en) | 2020-06-08 | 2020-06-08 | Thermoplastic polyurethane ball structure and method of making same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113827931B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253222A (en) * | 2022-07-22 | 2022-11-01 | 南京鼎辉体育科技发展有限公司 | Production process of frame leather-covered sports ball |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6935977B2 (en) * | 1999-10-14 | 2005-08-30 | Russell Asset Management, Inc. | Sport ball with pump having pressure relief and/or pressure indication capability |
| US7278937B2 (en) * | 2002-12-20 | 2007-10-09 | Russell Corporation | Sport ball with self-contained inflation mechanism having pressure relief and indication capability |
| US20040142779A1 (en) * | 2003-01-16 | 2004-07-22 | Chan Chong Veng | Balls for use in baseball and softball |
| US7699726B2 (en) * | 2003-04-23 | 2010-04-20 | Nike, Inc. | Game ball incorporating a polymer foam |
| CN2895240Y (en) * | 2006-06-22 | 2007-05-02 | 叶大勇 | Lifesaving ball |
| CN201337790Y (en) * | 2008-12-30 | 2009-11-04 | 龙伟实业股份有限公司 | Seamless ball structure improvement |
| US8608599B2 (en) * | 2009-03-20 | 2013-12-17 | Nike, Inc. | Sport ball casing and methods of manufacturing the casing |
| CN201565058U (en) * | 2009-07-21 | 2010-09-01 | 龙伟实业股份有限公司 | Improved structure of ball inner container |
| US10178891B2 (en) * | 2013-03-22 | 2019-01-15 | Reebok International Limited | Sole and article of footwear having a pod assembly |
| CN104593883A (en) * | 2015-02-04 | 2015-05-06 | 中山市新顺特种纤维有限公司 | Preparation method of high-resilience low-draft differential melt-spun polyurethane filament |
| DE102015208524B3 (en) * | 2015-05-07 | 2016-08-11 | Adidas Ag | Carcass for a sports ball |
| CN205127319U (en) * | 2015-09-24 | 2016-04-06 | 钟正明 | High elasticity environmental protection chou constructs |
| DE102015223885B4 (en) * | 2015-12-01 | 2024-03-21 | Adidas Ag | ball |
| CN205598558U (en) * | 2016-01-26 | 2016-09-28 | 陈桂锋 | Football or volleyball |
| US10646752B2 (en) * | 2016-03-13 | 2020-05-12 | Butt Nouman Idris | Methods of manufacturing of tri-tech soccer ball |
| CN206198605U (en) * | 2016-08-31 | 2017-05-31 | 福建星泰体育用品有限公司 | A kind of new solid sticky ball |
| CN206198606U (en) * | 2016-10-26 | 2017-05-31 | 广东荣承体育用品制造有限公司 | A kind of air cushion lagging football |
| CN206745889U (en) * | 2017-05-10 | 2017-12-15 | 湖南工程学院 | A kind of training football |
| CN107349577B (en) * | 2017-05-12 | 2019-09-06 | 南京禄高运动器材有限公司 | A kind of rugby of lagging |
| CN107116814A (en) * | 2017-05-22 | 2017-09-01 | 蒋静华 | A kind of inflatable elastic spheroid and preparation method thereof |
| CN107185183A (en) * | 2017-07-11 | 2017-09-22 | 陕西理工大学 | A kind of wear-resisting football inner bag leather fabric and its production method |
| WO2020112624A1 (en) * | 2018-11-29 | 2020-06-04 | Nike Innovate C.V. | Sports ball and method of manufacture |
-
2020
- 2020-06-08 CN CN202010510735.4A patent/CN113827931B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113827931A (en) | 2021-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1254575C (en) | Thermoplastic elastomer nonwoven fabric roll, and method and device for producing the same | |
| CN113827931B (en) | Thermoplastic polyurethane ball structure and method of making same | |
| US9303342B2 (en) | Composite fiber having elastomer and method for making the same, and a substrate having the composite fiber and method for making the same | |
| EP1612021B1 (en) | Release film for encapsulation of semiconductor chip | |
| CN107474522B (en) | Preparation method of thermoplastic polyurethane elastomer film | |
| JP2013226815A (en) | Decorative sheet, preform molding and decorative molding | |
| JP5975788B2 (en) | Method for producing laminated sheet and method for producing thermoplastic elastomer sheet | |
| TWI754267B (en) | Tpu ball structure and manufacturing method thereof | |
| JPH01288439A (en) | Multi-layer polyurethane film and laminated sheet thereof | |
| KR101991223B1 (en) | Seam sealing tape using recycled PET film and outdoor clothings using thereof | |
| KR102280585B1 (en) | Release film for semiconductor package and method of manufacturing the same | |
| US7803459B2 (en) | Non-fibrous adhesive matrix and laminate formed therefrom | |
| US20200238634A1 (en) | Molded article and method for making the same | |
| KR20220049242A (en) | Method for manufacturing fiber aggregate having excellent elasticity | |
| KR20180110194A (en) | Polymer compositions including cellulose ester | |
| KR102407517B1 (en) | Release film for semiconductor package and method of manufacturing the same | |
| US20220162443A1 (en) | Thermoplastic polyurethane composition, golf ball, and method for making golf ball | |
| EP4001479A1 (en) | Filament made from cutting membrane material and being thinned to improve physical properties and manufacturing method thereof | |
| JPH071502A (en) | Production of composite laminate | |
| JPH03294537A (en) | Cord for reinforcing rubber hose | |
| KR20190001955A (en) | Primary Backing Substrae For Eco-friendly Car Seat Material | |
| US20240090604A1 (en) | Textiles and methods of making the same | |
| JP2015150690A (en) | In-mold member, in-mold molded article and production method of in-mold molded article | |
| TW202348863A (en) | Reticulated structure and manufacturing method therefor | |
| CN115850838A (en) | High polymer material composition and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |