CN113768249A - Sole accessory with marble grains and preparation method thereof - Google Patents
Sole accessory with marble grains and preparation method thereof Download PDFInfo
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- CN113768249A CN113768249A CN202111143515.3A CN202111143515A CN113768249A CN 113768249 A CN113768249 A CN 113768249A CN 202111143515 A CN202111143515 A CN 202111143515A CN 113768249 A CN113768249 A CN 113768249A
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- layer
- sole
- preparation
- accessory
- marbled
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- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- 239000004579 marble Substances 0.000 title claims abstract description 9
- 238000011049 filling Methods 0.000 claims abstract description 44
- 238000005187 foaming Methods 0.000 claims abstract description 23
- 229920000297 Rayon Polymers 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 20
- 239000010410 layer Substances 0.000 claims description 125
- 239000000945 filler Substances 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 15
- 239000011159 matrix material Substances 0.000 claims description 12
- 239000003822 epoxy resin Substances 0.000 claims description 11
- 229920000647 polyepoxide Polymers 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 11
- 238000007493 shaping process Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000011265 semifinished product Substances 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 5
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 4
- 241000482268 Zea mays subsp. mays Species 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 4
- 239000010985 leather Substances 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000012752 auxiliary agent Substances 0.000 claims description 3
- 238000003490 calendering Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000010096 film blowing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 238000010345 tape casting Methods 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 239000012745 toughening agent Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 206010024453 Ligament sprain Diseases 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 238000004513 sizing Methods 0.000 abstract 1
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 10
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 10
- 239000002313 adhesive film Substances 0.000 description 3
- 210000002683 foot Anatomy 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 208000025978 Athletic injury Diseases 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 206010041738 Sports injury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D25/00—Devices for gluing shoe parts
- A43D25/06—Devices for gluing soles on shoe bottoms
-
- 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
- A43B13/12—Soles with several layers of different materials
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D8/00—Machines for cutting, ornamenting, marking or otherwise working up shoe part blanks
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D8/00—Machines for cutting, ornamenting, marking or otherwise working up shoe part blanks
- A43D8/32—Working on edges or margins
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention provides a sole accessory with marbling, which is arranged at the toe cap part and/or the heel part of a sole; the sole accessory comprises a top layer, a viscose film layer, an elastic filling layer and a wear-resistant layer which are connected from top to bottom, wherein the elastic filling layer comprises elastic filling matrixes and foaming particles, the edge of the wear-resistant layer is in a full-wrapping type or a half-wrapping type and is connected with the viscose film layer, the elastic filling layer and the top layer, fluorescent marble grains are uniformly distributed on the wear-resistant layer, the preparation method of the sole comprises the steps of S1 wear-resistant layer preparation, S2 elastic filling layer preparation, S3 viscose film layer preparation, S4 top layer preparation, S5 sole accessory sizing and the like, and the wrapping structure of the sole accessory aims to prevent a wearer from slipping, sports damage and ankle sprain no matter the accessory is arranged at the toe part of the sole or the heel part of the sole.
Description
Technical Field
The invention relates to a component part of a shoe, in particular to a sole accessory with marbleizing and a preparation method thereof.
Background
The TPU is named as thermoplastic polyurethane elastomer rubber, is mainly divided into polyester type and polyether type, has wide hardness range, wear resistance, oil resistance, transparency and good elasticity, has the main characteristics of wide hardness range and wide application in the fields of daily necessities, sports goods, toys and the like, can obtain the bearing capacity, the impact resistance and the shock absorption performance with different hardness by modifying the proportion of each reaction component of the TPU, has outstanding cold resistance, has lower glass transition temperature of the TPU, and still keeps good elasticity, flexibility and other physical properties at minus 35 ℃.
The PA is named as polyamide, and the foaming material has the advantages of high mechanical strength, good toughness, excellent tensile and compression resistance, outstanding fatigue resistance, high softening point, smooth surface, corrosion resistance and the like, but has poor rigidity, and the application of the single PA foaming material in the fields of shoe materials and the like is less.
Shoes, a kind of article that prevents the foot and receive the injury when wearing on the foot, mostly straw sandals, cloth shoes in human civilization history earlier stage, it is more common today with leather shoes, sports shoes, playshoes, high-heeled shoes. Most of the existing shoes are made of TPU, EVA or PU materials, the whole function of the shoe is mainly concerned, but the sole accessories can be researched on the sole accessories as long as the accessories exert the function of the whole sole without wasting too much material on the whole sole, for the sole, more importantly, the accessories of the sole are concerned to enable the sole to have the function of the whole sole, but the attention to small accessories forming the shoe body is lacked nowadays, and each function of the small accessories is an indispensable part of the shoe body.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a sole accessory with marble grains and a preparation method thereof, and the following technical scheme is adopted:
as a first aspect of the present invention, there is provided a marbled sole assembly for shoes, which is provided at a toe region and/or a heel region of a sole; this sole accessory is including top layer, viscose thin layer, elasticity filling layer and the wearing layer that from top to bottom connects, the elasticity filling layer includes elasticity filling matrix and foaming granule, the edge of wearing layer is for wrapping up formula or half parcel formula connection viscose thin layer, elasticity filling layer and top layer entirely, wearing layer evenly distributed has the marble line of fluorescence.
Further, the viscose film layer is a modified epoxy resin layer.
Further, the material of wearing layer is TPU and PBT composite material, the wearing layer is provided with bar-shaped non-slip raised.
Further, the elastic filler matrix is an elastic solid filler comprising any one or more of waste leather, waste rubber and EVA waste.
Further, the top layer is made of EVA.
Furthermore, the foaming particles are made of ETPU popcorn materials, are uniformly distributed on the elastic filling layer, are arranged in an upper layer and a lower layer in a stacked mode, and are coated by the elastic filling matrix.
As a second aspect of the present invention, there is provided a method of manufacturing the marbled sole assembly as described above, comprising:
preparation of S1 wear-resistant layer: uniformly mixing PBT, TPU, a toughening agent, a compatilizer, toner, fluorescent powder, an auxiliary agent and optionally ASA, adding into a double-screw extruder, and shaping in a die;
preparation of S2 elastic filling layer: cleaning and drying the elastic solid filler, sterilizing and crushing the elastic solid filler at the temperature of 100-120 ℃, adding the elastic solid filler into a double-screw extruder, heating and injecting the elastic solid filler into a model containing ETPU foaming particles, so that the elastic solid filler penetrates into gaps among adjacent ETPU foaming particles and completely covers the upper surfaces of the ETPU foaming particles on the upper surface layer;
s3 preparation of the viscose film layer: coating modified epoxy resin on the upper surface of the elastic filling layer, and drying;
preparation of the top layer of S4: the EVA particles are shaped through calendaring, tape casting, film blowing and chill rolls, then are tempered at constant temperature, longitudinally stretched to obtain the top layer of the EVA, and the top layer of the EVA is placed on the viscose film layer to form a semi-finished product accessory;
s5 shaping of the sole accessory: and (4) heating and pressurizing the semi-finished product fittings, cooling and shaping, and repairing redundant burrs.
Further, the preparation of the top layer of S4 further comprises placing the top layer of EVA obtained by longitudinal stretching into an ultraviolet irradiation device for ultraviolet treatment for 3-5 min.
Further, the preparation of the S4 top layer also comprises the steps of carrying out melt co-extrusion at the temperature of 260-300 ℃, carrying out constant temperature tempering treatment at the temperature of 160-170 ℃, and longitudinally stretching by 4-6 times.
Further, the preparation of the S1 wear-resistant layer also comprises the steps of uniformly mixing the toner and the fluorescent powder, adding the binder, uniformly stirring and then adding the mixture into a double-screw extruder.
Compared with the prior art, the invention has the beneficial effects that:
the sole accessory can be arranged at the head part and/or the heel part of the sole, can be manufactured into the accessory as a protective structure of the sole according to requirements, and can also be manufactured into a part of the sole by only increasing the thickness of each layer. This sole accessory has wearing layer, filling layer, viscose thin layer and top layer, and its layer cladding structure can improve the fastness of sole greatly as sole accessory, increases the durability of sole, and secondly, the secondary operation that this filling layer was gone on for adopting the discarded material makes required filling layer to realize the wastes material and recycle. The covering structure of the accessory aims to prevent slipping, sports injury and ankle sprain of a wearer regardless of the wearer turning in or out of the sole and regardless of the accessory arranged at the head part of the sole or the heel part of the sole.
Drawings
The present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a schematic view showing the structure of a sole assembly according to embodiment 1 of the present invention;
FIG. 2 is a view showing a position of the sole assembly of example 1 of the present invention in a sole;
FIG. 3 is a sectional view of the sole assembly according to embodiment 2 of the present invention;
FIG. 4 is a view showing a position of the sole assembly of example 2 of the present invention in the sole;
fig. 5 is a flowchart of a method of manufacturing the sole assembly of examples 1 and 2 of the present invention.
The sole comprises a wear-resistant layer-1, an elastic filling layer-2, an elastic filling matrix-21, foaming particles-22, an adhesive film layer-3, a top layer-4 and sole accessories-5.
Detailed Description
Embodiments according to the present invention will now be described in detail with reference to the accompanying drawings.
As a first aspect of the present invention, there is provided a marbled sole assembly.
Example 1
Referring to fig. 1, a marbled footwear sole assembly according to an embodiment of the present invention, the footwear sole assembly 5 is provided at a toe portion of a footwear sole; this sole accessory 5 is including top layer 4, viscose thin layer 3, elasticity filling layer 2 and the wearing layer 1 that from top to bottom connects, elasticity filling layer 2 includes elasticity packing matrix 21 and foaming granule 22, the edge of wearing layer 1 is connected viscose thin layer 3, elasticity filling layer 2 and top layer 4 for half full parcel formula, and the thickness of its each layer of preparation control of this accessory accessible mould is as the toe cap portion of sole, and its wearing layer 1 of keeping away from the one end of tip then does not wrap up all the other layers, then only needs the arch portion and the heel of connecting the sole to form complete sole, also can be just so that each layer of this sole accessory 5 directly forms complete sole through extending its length.
Fluorescent marble grains are uniformly distributed on the wear-resistant layer 1, the viscose film layer 3 is a modified epoxy resin layer, the epoxy resin can be organic silicon modified epoxy resin which has stronger bonding function and is used for bonding the top layer 4, the wear-resistant layer 1 and the elastic filling layer 2 are integrally formed without being bonded by an adhesive, the wear-resistant layer 1 is made of a TPU and PBT composite material, the wear-resistant layer 1 is provided with strip-shaped anti-skid bulges, the wear-resistant layer 1 mainly plays a supporting role, the composite material has excellent impact property, the elastic filling matrix 21 is made of waste leather and EVA wastes, the top layer 4 is made of EVA material, the foaming particles 22 are made of ETPU popcorn material, the foaming particles 22 are uniformly distributed in the elastic filling layer 2, are stacked up and down, and are coated by the elastic filling matrix 21.
Example 2
Referring to fig. 2, a sole assembly 5 according to an embodiment of the present invention is provided in a heel region of a shoe sole; this sole accessory 5 is including top layer 4, viscose thin layer 3, elasticity filling layer 2 and the wearing layer 1 that from top to bottom connects, elasticity filling layer 2 includes elasticity packing matrix 21 and foaming granule 22, the edge of wearing layer 1 is connected viscose thin layer 3, elasticity filling layer 2 and top layer 4 for half full parcel formula, and the heel part of sole is regarded as to the thickness of its each layer of its preparation control of this accessory accessible mould, and its wearing layer 1 of keeping away from the one end of heel then does not wrap up all the other layers, then only needs the arch of foot portion and the tip of a shoe of connecting the sole to form complete sole, also can be just so as to form complete sole through extending its length with direct in each layer of this sole accessory 5.
Fluorescent marble grains are uniformly distributed on the wear-resistant layer 1, the viscose film layer 3 is a modified epoxy resin layer, the epoxy resin can be organic silicon modified epoxy resin which has stronger bonding function and is used for bonding the top layer 4, the wear-resistant layer 1 and the elastic filling layer 2 are integrally formed without being bonded by an adhesive, the wear-resistant layer 1 is made of a TPU and PBT composite material, the wear-resistant layer 1 is provided with strip-shaped anti-skid bulges, the wear-resistant layer 1 mainly plays a supporting role, the composite material has excellent impact property, the elastic filling matrix 21 is made of waste rubber and EVA waste, the top layer 4 is made of EVA material, the foaming particles 22 are made of ETPU popcorn material, the foaming particles 22 are uniformly distributed in the elastic filling layer 2, are stacked up and down, and are coated by the elastic filling matrix 21.
As a second aspect of the present invention, there is provided a method of manufacturing a sole assembly having marbleizing as in the above embodiment, including:
preparation of S1 wear layer 1: uniformly mixing PBT, TPU, a toughening agent, a compatilizer, toner, fluorescent powder, an auxiliary agent and optionally ASA, adding into a double-screw extruder, and shaping in a die;
preparation of S2 elastic filling layer 2: cleaning and drying the elastic solid filler, sterilizing and crushing the elastic solid filler at the temperature of 100-120 ℃, adding the elastic solid filler into a double-screw extruder, heating and injecting the elastic solid filler into a model containing the ETPU foaming particles 22, so that the elastic solid filler penetrates into gaps among the adjacent ETPU foaming particles 22 and completely covers the upper surfaces of the ETPU foaming particles 22 on the upper surface layer;
preparation of the adhesive film layer 3 of S3: coating modified epoxy resin on the upper surface of the elastic filling layer 2, and drying;
preparation of top layer 4 of S4: the EVA particles are shaped by calendaring, tape casting, film blowing and chill rolls, then are tempered at constant temperature, longitudinally stretched to obtain a top layer 4 of the EVA, then are put into ultraviolet irradiation equipment for ultraviolet treatment for 3-5min, and are placed on an adhesive film layer 3 to form a semi-finished product accessory;
s5 shaping of the sole accessory: and (4) heating and pressurizing the semi-finished product fittings, cooling and shaping, and repairing redundant burrs.
Preferably, the preparation of the top layer 4 of S4 further comprises the steps of carrying out melt co-extrusion at the temperature of 260-300 ℃, carrying out constant temperature tempering treatment at the temperature of 160-170 ℃, and longitudinally stretching by 4-6 times, wherein when the sole accessory is used as a sole toe cap, the top layer 4 manufactured by the mold does not need to be longitudinally stretched any more.
Preferably, the preparation of the S1 wear-resistant layer 1 further comprises uniformly mixing the toner and the phosphor powder, adding the binder, uniformly stirring, and adding the mixture into a twin-screw extruder, wherein the binder is used for uniformly adhering the toner and the phosphor powder particles, so that the marble in the finished product has a fluorescent effect.
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 apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A sole accessory with marbleizing, its characterized in that: the sole accessory is arranged at the shoe head part and/or the heel part of the sole; this sole accessory is including top layer, viscose thin layer, elasticity filling layer and the wearing layer that from top to bottom connects, the elasticity filling layer includes elasticity filling matrix and foaming granule, the edge of wearing layer is for wrapping up formula or half parcel formula connection viscose thin layer, elasticity filling layer and top layer entirely, wearing layer evenly distributed has the marble line of fluorescence.
2. The marbled sole assembly of claim 1, wherein: the viscose film layer is a modified epoxy resin layer.
3. The marbled sole assembly of claim 1, wherein: the wear-resistant layer is made of a TPU and PBT composite material and is provided with strip-shaped anti-skidding protrusions.
4. The marbled sole assembly of claim 1, wherein: the elastic filling matrix is elastic solid filling material which comprises any one or more of waste leather, waste rubber and EVA waste.
5. The marbled sole assembly of claim 1, wherein: the top layer is made of EVA.
6. The marbled sole assembly of claim 1, wherein: the foaming particles are made of ETPU popcorn materials, are uniformly distributed on the elastic filling layer, are arranged in an upper layer and a lower layer in a stacked mode, and are coated by the elastic filling matrix.
7. A method of manufacturing a marbled sole assembly according to any one of claims 1 to 5, wherein: the method comprises the following steps:
preparation of S1 wear-resistant layer: uniformly mixing PBT, TPU, a toughening agent, a compatilizer, toner, fluorescent powder, an auxiliary agent and optionally ASA, adding into a double-screw extruder, and shaping in a die;
preparation of S2 elastic filling layer: cleaning and drying the elastic solid filler, sterilizing and crushing the elastic solid filler at the temperature of 100-120 ℃, adding the elastic solid filler into a double-screw extruder, heating and injecting the elastic solid filler into a model containing ETPU foaming particles, so that the elastic solid filler penetrates into gaps among adjacent ETPU foaming particles and completely covers the upper surfaces of the ETPU foaming particles on the upper surface layer;
s3 preparation of the viscose film layer: coating organic silicon modified epoxy resin on the upper surface of the elastic filling layer, and drying;
preparation of the top layer of S4: the EVA particles are shaped through calendaring, tape casting, film blowing and chill rolls, then are tempered at constant temperature, longitudinally stretched to obtain the top layer of the EVA, and the top layer of the EVA is placed on the viscose film layer to form a semi-finished product accessory;
s5 shaping of the sole accessory: and (4) heating and pressurizing the semi-finished product fittings, cooling and shaping, and repairing redundant burrs.
8. The method of manufacturing a marbled sole assembly according to claim 7, wherein: the preparation of the S4 top layer also comprises the step of placing the EVA top layer obtained by longitudinal stretching into an ultraviolet irradiation device for ultraviolet treatment for 3-5 min.
9. The method of manufacturing a marbled sole assembly according to claim 1, wherein: the preparation of the S4 top layer also comprises the steps of carrying out melt co-extrusion at the temperature of 260-300 ℃, carrying out constant temperature tempering treatment at the temperature of 160-170 ℃, and longitudinally stretching by 4-6 times.
10. The method of manufacturing a marbled sole assembly according to claim 1, wherein: the preparation of the S1 wear-resistant layer further comprises the steps of uniformly mixing the toner and the fluorescent powder, adding the binder, uniformly stirring, and adding the mixture into a double-screw extruder.
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CN202111143515.3A CN113768249B (en) | 2021-09-28 | 2021-09-28 | Preparation method of sole accessory with marble patterns |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116080110A (en) * | 2022-12-29 | 2023-05-09 | 太仓力九和塑胶工业有限公司 | Preparation process of elastic pad |
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CN112244425A (en) * | 2020-10-15 | 2021-01-22 | 辛集市梅花皮业有限公司 | Novel TPU sole and preparation method thereof |
CN216453654U (en) * | 2021-09-28 | 2022-05-10 | 福建鸿星尔克体育用品有限公司 | Sole accessory with marble |
Cited By (1)
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CN116080110A (en) * | 2022-12-29 | 2023-05-09 | 太仓力九和塑胶工业有限公司 | Preparation process of elastic pad |
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