CN104788741A - Composite sole combined by natural rubber and EVA and preparation process thereof - Google Patents
Composite sole combined by natural rubber and EVA and preparation process thereof Download PDFInfo
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- CN104788741A CN104788741A CN201510120033.4A CN201510120033A CN104788741A CN 104788741 A CN104788741 A CN 104788741A CN 201510120033 A CN201510120033 A CN 201510120033A CN 104788741 A CN104788741 A CN 104788741A
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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
- C08L7/00—Compositions of natural rubber
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/04—Plastics, rubber or vulcanised fibre
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/0054—Producing footwear by compression moulding, vulcanising or the like; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
- B29D35/122—Soles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
-
- 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
-
- 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
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a composite sole combined by natural rubber and EVA; a rubber outsole comprises the following components in parts by weight: 50 parts of natural rubber, 30 parts of cis-1,4-polybutadiene rubber, 20 parts of butadiene-acrylonitrile rubber, 45 parts of white carbon black, 15 parts of white oil, 10 parts of a black color masterbatch, 5 parts of zinc oxide, 2 parts of stearic acid, 2.5 parts of an accelerant, 2 parts of an anti-aging agent, 1 part of an antioxidant, 2 parts of a dispersant, and 4 parts of a wear-resisting agent. An EVA midsole comprises the following components in parts by weight: 35 parts of EVA5110, 25 parts of EVA6110, 20 parts of an elastomer, 10 parts of a filler, 10 parts of a flax fiber, 3 parts of a foaming agent, 0.6 part of a bridging agent, 1 part of a zinc-oxide powder, 0.5 part of zinc stearate, 2 parts of titanium dioxide, 0.8 part of a dispersing agent, and 0.6 part of a flowing agent. The sole not only has quite high tearing strength, but also is soft, portable and comfortable and keeps high elasticity when the sloe is worn.
Description
Technical field
The present invention relates to a kind of material for sole of shoe field, specifically a kind of rubber soles Material Field.
Background technology
In order to adapt to the high pressure training demand of special population, requiring very high to the sole of training shoe, not only requiring that sole possesses very high tear strength, need guarantee soft, light, comfortable when wearing and keep snappiness simultaneously.And in existing material for sole of shoe, although elastomeric material elasticity is high, wear resisting property is also stronger, but softness, light requirement cannot be met, and EVA material (i.e. ethylene-vinyl acetate copolymer), cost is lower, and application is also widely, but tear strength is poor, daily workout demand can not be met.
Summary of the invention
Goal of the invention: the object of the invention is for the deficiencies in the prior art, provides a kind of and had both possessed very high tear strength, can guarantee again soft, light, comfortable when wearing and keep elastomeric composite sole;
Another object of the present invention is to provide a kind of technique preparing this sole.
Technical scheme: the composite sole of natural gum of the present invention and EVA combination, comprise the end in rubber sole and EVA, described rubber sole comprises following component:
In described EVA, the end, comprises following component:
The present invention further preferred technical scheme is that described rubber sole comprises following component:
In described EVA, the end, comprises following component:
Preferably, in described EVA, the component elastomer at the end is polyurethane-type thermoplastic's elastomerics, polyolefins thermoplastic elastomer, polyamide-type thermoplastic's elastomerics one wherein.
Preferably, in described EVA the end component in weighting agent be talcum powder, graphite, carbon black one wherein.
The preparation technology of the composite sole of natural gum of the present invention and EVA combination, comprises the steps:
(1) end preparation in EVA:
A, EVA5110, EVA6110, elastomerics, weighting agent and flax fiber to be dropped in Banbury mixer mixing 2 ~ 4 minutes, temperature adds zinc white, Zinic stearas, titanium dioxide, dispersion agent and flowing agent 80 ~ 100 DEG C time, continue mixing 5 ~ 7 minutes, temperature 105 ~ 115 DEG C time, then adds whipping agent, bridging agent mixing 7 ~ 9 minutes;
Material after b, banburying complete is put in mill, mill temperature 80 ~ 90 DEG C, 15m/m thin-pass 2 times, and thin-pass is once again for 1m/m;
C, open the material refined and put into tablets press and carry out granulation, tablets press temperature 80 ~ 90 DEG C, after granulation completes, stir cooling 1 hour;
D, the particle cooled are poured in foaming machine and are foamed, foaming machine board temperature 170 ~ 175 DEG C, and pressure 160 ~ 180KG pours mold heated into 10 minutes, then cools after foaming;
E, by foaming after material be placed on pressing and forming on forming machine, forming machine pressure is 120 ~ 140KG, temperature is 190 ~ 195 DEG C, pressing and forming post-heating 350 ~ 400 seconds, then cools 350 ~ 400 seconds, obtains the end in described EVA;
(2) rubber sole preparation:
A, natural rubber, cis-1,4-polybutadiene rubber and nitrile rubber are put into Banbury mixer close refining 1 ~ 2 minute, temperature is 85 ~ 95 DEG C time, and all the other components added except sulphur fully mix, and continue mixing 4 ~ 6 minutes;
B, the sizing material refined drawn on a mill until thin, cooling, scribing;
C, on a mill until by film pressing evenly until surface is without behind cavity, film and sulphur are put into automatic turning chartered plane and turn refining 5 minutes, draw and roll up;
D, on a mill until by pulling the sizing material of volume by specific thickness slice, carry out die-cut;
E, sizing material is pressed 300 ~ 340 seconds on vulcanizer, temperature 150 ~ 160 DEG C, pressure 14 ~ 16Mpa, obtains described rubber sole;
(3) combination forming:
A, the end in EVA is used the clean water of 55 ~ 60 DEG C, then brush irradiates liquid and carries out brush coating after irradiation-sterilize;
B, by the inner chamber brush coating of rubber sole;
C, the end in rubber sole and EVA, to be combined.
Beneficial effect: the sole that composition and engineering of the present invention is obtained, can give full play to and the performance of complementary rubber and EVA material itself, compared with conventional soles, not only possesses very high tear strength, simultaneously soft, light, comfortable when wearing and keep snappiness, the high pressure training requirement of special population can be met.
Embodiment
Below technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to described embodiment.
Embodiment 1: the composite sole of a kind of natural gum and EVA combination, comprise the end in rubber sole and EVA, described rubber sole comprises following component:
In described EVA, the end, comprises following component:
The preparation technology of the composite sole of this natural gum and EVA combination, comprises the steps:
(1) end preparation in EVA:
A, EVA5110, EVA6110, elastomerics, weighting agent and flax fiber to be dropped in Banbury mixer mixing 2 minutes, temperature adds zinc white, Zinic stearas, titanium dioxide, dispersion agent and flowing agent 80 DEG C time, continue mixing 5 minutes, temperature 105 DEG C time, then adds whipping agent, bridging agent mixing 7 minutes;
Material after b, banburying complete is put in mill, mill temperature 80 DEG C, 15m/m thin-pass 2 times, and thin-pass is once again for 1m/m;
C, open the material refined and put into tablets press and carry out granulation, tablets press temperature 80 DEG C, after granulation completes, stir cooling 1 hour;
D, the particle cooled are poured in foaming machine and are foamed, foaming machine board temperature 170 DEG C, and pressure 160KG pours mold heated into 10 minutes, then cools after foaming;
E, by foaming after material be placed on pressing and forming on forming machine, forming machine pressure is 120KG, temperature is 190 DEG C, pressing and forming post-heating 350 seconds, then cools 350 seconds, obtains the end in described EVA;
(2) rubber sole preparation:
A, natural rubber, cis-1,4-polybutadiene rubber and nitrile rubber are put into Banbury mixer close refining 1 minute, temperature is 85 DEG C time, and all the other components added except sulphur fully mix, and continue mixing 4 minutes;
B, the sizing material refined drawn on a mill until thin, cooling, scribing;
C, on a mill until by film pressing evenly until surface is without behind cavity, film and sulphur are put into automatic turning chartered plane and turn refining 5 minutes, draw and roll up;
D, on a mill until by pulling the sizing material of volume by specific thickness slice, carry out die-cut;
E, sizing material is pressed 300 seconds on vulcanizer, temperature 150 DEG C, pressure 14Mpa, obtains described rubber sole;
(3) combination forming:
A, is used the clean water of 55 DEG C the end in EVA, then brush irradiates liquid and carries out brush coating after irradiation-sterilize;
B, by the inner chamber brush coating of rubber sole;
C, the end in rubber sole and EVA, to be combined.
Embodiment 2: the composite sole of a kind of natural gum and EVA combination, comprise the end in rubber sole and EVA, described rubber sole comprises following component:
In described EVA, the end, comprises following component:
The preparation technology of the composite sole of this natural gum and EVA combination, comprises the steps:
(1) end preparation in EVA:
A, EVA5110, EVA6110, elastomerics, weighting agent and flax fiber to be dropped in Banbury mixer mixing 4 minutes, temperature adds zinc white, Zinic stearas, titanium dioxide, dispersion agent and flowing agent 100 DEG C time, continue mixing 7 minutes, temperature 115 DEG C time, then adds whipping agent, bridging agent mixing 9 minutes;
Material after b, banburying complete is put in mill, mill temperature 90 DEG C, 15m/m thin-pass 2 times, and thin-pass is once again for 1m/m;
C, open the material refined and put into tablets press and carry out granulation, tablets press temperature 90 DEG C, after granulation completes, stir cooling 1 hour;
D, the particle cooled are poured in foaming machine and are foamed, foaming machine board temperature 175 DEG C, and pressure 180KG pours mold heated into 10 minutes, then cools after foaming;
E, by foaming after material be placed on pressing and forming on forming machine, forming machine pressure is 140KG, temperature is 195 DEG C, pressing and forming post-heating 400 seconds, then cools 400 seconds, obtains the end in described EVA;
(2) rubber sole preparation:
A, natural rubber, cis-1,4-polybutadiene rubber and nitrile rubber are put into Banbury mixer close refining 2 minutes, temperature is 95 DEG C time, and all the other components added except sulphur fully mix, and continue mixing 6 minutes;
B, the sizing material refined drawn on a mill until thin, cooling, scribing;
C, on a mill until by film pressing evenly until surface is without behind cavity, film and sulphur are put into automatic turning chartered plane and turn refining 5 minutes, draw and roll up;
D, on a mill until by pulling the sizing material of volume by specific thickness slice, carry out die-cut;
E, sizing material is pressed 340 seconds on vulcanizer, temperature 160 DEG C, pressure 16Mpa, obtains described rubber sole;
(3) combination forming:
A, is used the clean water of 60 DEG C the end in EVA, then brush irradiates liquid and carries out brush coating after irradiation-sterilize;
B, by the inner chamber brush coating of rubber sole;
C, the end in rubber sole and EVA, to be combined.
Embodiment 3: the composite sole of a kind of natural gum and EVA combination, comprise the end in rubber sole and EVA, described rubber sole comprises following component:
In described EVA, the end, comprises following component:
The preparation technology of the composite sole of this natural gum and EVA combination, comprises the steps:
(1) end preparation in EVA:
A, EVA5110, EVA6110, elastomerics, weighting agent and flax fiber to be dropped in Banbury mixer mixing 3 minutes, temperature adds zinc white, Zinic stearas, titanium dioxide, dispersion agent and flowing agent 90 DEG C time, continue mixing 6 minutes, temperature 110 DEG C time, then adds whipping agent, bridging agent mixing 8 minutes;
Material after b, banburying complete is put in mill, mill temperature 85 DEG C, 15m/m thin-pass 2 times, and thin-pass is once again for 1m/m;
C, open the material refined and put into tablets press and carry out granulation, tablets press temperature 85 DEG C, after granulation completes, stir cooling 1 hour;
D, the particle cooled are poured in foaming machine and are foamed, foaming machine board temperature 172 DEG C, and pressure 170KG pours mold heated into 10 minutes, then cools after foaming;
E, by foaming after material be placed on pressing and forming on forming machine, forming machine pressure is 130KG, temperature is 192 DEG C, pressing and forming post-heating 380 seconds, then cools 380 seconds, obtains the end in described EVA;
(2) rubber sole preparation:
A, natural rubber, cis-1,4-polybutadiene rubber and nitrile rubber are put into Banbury mixer close refining 1.5 minutes, temperature is 90 DEG C time, and all the other components added except sulphur fully mix, and continue mixing 5 minutes;
B, the sizing material refined drawn on a mill until thin, cooling, scribing;
C, on a mill until by film pressing evenly until surface is without behind cavity, film and sulphur are put into automatic turning chartered plane and turn refining 5 minutes, draw and roll up;
D, on a mill until by pulling the sizing material of volume by specific thickness slice, carry out die-cut;
E, sizing material is pressed 320 seconds on vulcanizer, temperature 155 DEG C, pressure 15Mpa, obtains described rubber sole;
(3) combination forming:
A, is used the clean water of 58 DEG C the end in EVA, then brush irradiates liquid and carries out brush coating after irradiation-sterilize;
B, by the inner chamber brush coating of rubber sole;
C, the end in rubber sole and EVA, to be combined.
Rubber sole of the present invention and existing material for sole of shoe performance comparison result are in table 1;
In EVA of the present invention, the end and existing material for sole of shoe performance comparison result are in table 2.
Table 1 embodiment 1-3 and current material sole performance test results:
| Product | Abrasion loss (mg) | Tensile strength (MPa) | Tensile yield (%) |
| Embodiment 1 | 151 | 26 | 638 |
| Embodiment 2 | 149 | 25 | 632 |
| Embodiment 3 | 158 | 29 | 660 |
| Existing material for sole of shoe | 122 | 20 | 603 |
Table 2 embodiment 1-3 and current material sole performance test results:
| Product | Tensile strength (MPa) | Density (g/cm) | Rebound degree (%) |
| Existing material for sole of shoe | 20 | 1300 | 50 |
| Embodiment 1 | 22 | 900 | 58 |
| Embodiment 2 | 23 | 890 | 57 |
| Embodiment 3 | 27 | 880 | 61 |
As mentioned above, although represented with reference to specific preferred embodiment and described the present invention, it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention prerequisite not departing from claims definition, various change can be made in the form and details to it.
Claims (5)
1. a composite sole for natural gum and EVA combination, it is characterized in that, comprise the end in rubber sole and EVA, described rubber sole comprises following component:
In described EVA, the end, comprises following component:
Each component is with parts by weight.
2. the composite sole of natural gum according to claim 1 and EVA combination, it is characterized in that, described rubber sole comprises following component:
In described EVA, the end, comprises following component:
Each component is with parts by weight.
3. the composite sole of natural gum according to claim 1 and EVA combination, it is characterized in that, in described EVA, the component elastomer at the end is polyurethane-type thermoplastic's elastomerics, polyolefins thermoplastic elastomer, polyamide-type thermoplastic's elastomerics one wherein.
4. natural gum according to claim 1 and EVA combination composite sole, it is characterized in that, in described EVA the end component in weighting agent be talcum powder, graphite, carbon black one wherein.
5. the preparation technology of composite sole for natural gum and EVA combination according to any one of Claims 1 to 4, is characterized in that comprising the steps:
(1) end preparation in EVA:
A, EVA5110, EVA6110, elastomerics, weighting agent and flax fiber to be dropped in Banbury mixer mixing 2 ~ 4 minutes, temperature adds zinc white, Zinic stearas, titanium dioxide, dispersion agent and flowing agent 80 ~ 100 DEG C time, continue mixing 5 ~ 7 minutes, temperature 105 ~ 115 DEG C time, then adds whipping agent, bridging agent mixing 7 ~ 9 minutes;
Material after b, banburying complete is put in mill, mill temperature 80 ~ 90 DEG C, 15m/m thin-pass 2 times, and thin-pass is once again for 1m/m;
C, open the material refined and put into tablets press and carry out granulation, tablets press temperature 80 ~ 90 DEG C, after granulation completes, stir cooling 1 hour;
D, the particle cooled are poured in foaming machine and are foamed, foaming machine board temperature 170 ~ 175 DEG C, and pressure 160 ~ 180KG pours mold heated into 10 minutes, then cools after foaming;
E, by foaming after material be placed on pressing and forming on forming machine, forming machine pressure is 120 ~ 140KG, temperature is 190 ~ 195 DEG C, pressing and forming post-heating 350 ~ 400 seconds, then cools 350 ~ 400 seconds, obtains the end in described EVA;
(2) rubber sole preparation:
A, natural rubber, cis-1,4-polybutadiene rubber and nitrile rubber are put into Banbury mixer close refining 1 ~ 2 minute, temperature is 85 ~ 95 DEG C time, and all the other components added except sulphur fully mix, and continue mixing 4 ~ 6 minutes;
B, the sizing material refined drawn on a mill until thin, cooling, scribing;
C, on a mill until by film pressing evenly until surface is without behind cavity, film and sulphur are put into automatic turning chartered plane and turn refining 5 minutes, draw and roll up;
D, on a mill until by pulling the sizing material of volume by specific thickness slice, carry out die-cut;
E, sizing material is pressed 300 ~ 340 seconds on vulcanizer, temperature 150 ~ 160 DEG C, pressure 14 ~ 16Mpa, obtains described rubber sole;
(3) combination forming:
A, the end in EVA is used the clean water of 55 ~ 60 DEG C, then brush irradiates liquid and carries out brush coating after irradiation-sterilize;
B, by the inner chamber brush coating of rubber sole;
C, the end in rubber sole and EVA, to be combined.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510120033.4A CN104788741B (en) | 2015-03-18 | 2015-03-18 | Composite sole combined by natural rubber and EVA and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510120033.4A CN104788741B (en) | 2015-03-18 | 2015-03-18 | Composite sole combined by natural rubber and EVA and preparation process thereof |
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| CN104788741A true CN104788741A (en) | 2015-07-22 |
| CN104788741B CN104788741B (en) | 2017-01-25 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105175876A (en) * | 2015-08-31 | 2015-12-23 | 禧玛诺(连云港)实业有限公司 | Novel midsole material for shoes and preparation method thereof |
| CN105400224A (en) * | 2015-11-14 | 2016-03-16 | 际华三五一五皮革皮鞋有限公司 | Midsole prepared from straws and special for moulded shoe and preparation method of midsole |
| CN105795572A (en) * | 2016-04-20 | 2016-07-27 | 东莞市鑫艺来塑胶制品有限公司 | Shoe and information sharing system based on shoe |
| CN105837870A (en) * | 2016-05-12 | 2016-08-10 | 天津双安劳保橡胶有限公司 | Multi-layer rubber compound insulation shoe sole for hot-line work and preparation method thereof |
| CN106117765A (en) * | 2016-06-27 | 2016-11-16 | 中国人民解放军总后勤部军需装备研究所 | A kind of composite sole and preparation method thereof |
| CN106147201A (en) * | 2016-07-11 | 2016-11-23 | 潘明华 | High resilience rubber foam composite and preparation method thereof |
| CN106317506A (en) * | 2016-08-24 | 2017-01-11 | 际华三五三实业有限公司 | Anti-skid and oil-resistant rubber soles with dual density |
| CN106496763A (en) * | 2016-11-29 | 2017-03-15 | 吴伟天 | A kind of traffic conic road-sign of EVA material |
| CN107400268A (en) * | 2017-09-30 | 2017-11-28 | 利郎(中国)有限公司 | A kind of lightweight, the assembled shoe bottom and preparation method thereof of damping |
| CN108618260A (en) * | 2017-03-17 | 2018-10-09 | 游振贤 | Insole composition, insole structure and manufacturing method thereof |
| CN109702947A (en) * | 2018-12-27 | 2019-05-03 | 永一橡胶有限公司 | A kind of preparation method of tire building reverse-wrapped capsule utricule film |
| CN110982159A (en) * | 2019-11-12 | 2020-04-10 | 泉州星竹鞋材有限公司 | Manufacturing process of transparent shock-absorbing high-elastic molded insole |
| CN111154173A (en) * | 2020-01-17 | 2020-05-15 | 福建省足友体育用品有限公司 | EVA sole and preparation process thereof |
| CN111286094A (en) * | 2020-03-13 | 2020-06-16 | 泉州市华创园智能研究有限公司 | Rubber material for soles of sports shoes and preparation method thereof |
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