CN104371194A - High-elasticity athletic shoe midsole and preparation method thereof - Google Patents
High-elasticity athletic shoe midsole and preparation method thereof Download PDFInfo
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- CN104371194A CN104371194A CN201410660769.6A CN201410660769A CN104371194A CN 104371194 A CN104371194 A CN 104371194A CN 201410660769 A CN201410660769 A CN 201410660769A CN 104371194 A CN104371194 A CN 104371194A
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- preparation
- snappiness
- sports shoes
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- shoes according
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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
- 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- 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)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention provides a high-elasticity athletic shoe midsole and a preparation method thereof. The athletic shoe midsole is prepared from high-elasticity polypropylene foamed plastic, wherein the high-elasticity polypropylene foamed plastic is prepared by mixing modified polypropylene, polyolefin elastomer, tackifying resin, a crosslinking agent, a foaming agent and a plurality of additives. The preparation method of the athletic shoe midsole comprises the following steps: a) preparing modified polypropylene resin; b) preparing foamed particles and c) carrying out foam molding to obtain the product. The athletic shoe midsole is prepared from self-made moldable cross-linked foamed polypropylene plastic so that the prepared high-elasticity athletic shoe midsole is exquisite and soft and has good skin feeling and excellent mechanical properties, and the industrial production is easily achieved.
Description
Technical field
The present invention relates to a kind of plastics, be specifically related to end and preparation method thereof in a kind of snappiness sports shoes, belong to plastic products technology field.
Background technology
Plastics be adopt plastics be main raw material process daily necessities, industrial goods general designation.Plastics produce the batching generally comprising plastics, shaping, mechanical workout, joint, modification and assembling etc., rear four operations plastics molded for goods or work piece after carry out, be also called plastics secondary processing.Relative to metal, stone material, timber, plastics have the advantages such as cost is low, plasticity-is strong, be widely used in national economy, plastics industry occupies very consequence in the world today, and the production of plastics is in high speed development all over the world for many years.China's plastics output is positioned at prostatitis all the time in world rankings, and wherein multiple plastics output has been positioned at first place, the whole world, and China has become plastics big producing country of the world.China's plastics market requirement mainly concentrates on several aspects such as agricultural plastic product, packing plastics goods, building plastic product, industrial traffic and engineering plastic product.
The life of sports shoes and people is closely related, and its need of production uses a lot of material, and in sports shoes, the preparation at the end uses plastic material mostly, and therefore in sports shoes, the end also belongs to plastics.At present, a lot of sports shoes manufacturer is in order to save cost, increase sales volume, the plastic foam material such as urethane, polystyrene, polyolefine of a large amount of employing cheapness manufactures the end in sports shoes, not only there is difficult degradation, reclaim the white pollution problems of difficulty in these plastic foam materials, and poisonous polyisocyanate ester leftover can be produced as polyurethane material in foaming process, as life-time service can cause certain harm to the healthy of people.Although also there are some enterprises to adopt the expanded plastic of degradable safety non-toxic to produce the end in sports shoes, but production cost is larger, be difficult to carry out suitability for industrialized production on a large scale, and due to the defect of preparation technology aspect, obtained product can not allow user very satisfied in elasticity, comfortableness and mechanical property.
Summary of the invention
For the demand, the invention provides end and preparation method thereof in a kind of snappiness sports shoes, in this sports shoes, the end, adopts homemade moldable cross-linked and foamed polypropylene plastics to be prepared, in obtained snappiness sports shoes, ins and outs are greasy, soft, skin sense of touch is good, there is excellent mechanical property, be easy to suitability for industrialized production.
The present invention is end and preparation method thereof in a kind of snappiness sports shoes, in described sports shoes, the end, adopts the polypropylene expanded plastics of snappiness to make, the polypropylene expanded plastics of described snappiness are mixed by modified polypropene, polyolefin elastomer, tackifying resin, linking agent, whipping agent and multiple auxiliary agent, described preparation method comprises the steps: a) to produce modified polypropylene resin, b) expanded beads is prepared, c) expanded molded article.
In a preferred embodiment of the present invention, 10:2:1 is formulated in mass ratio by acrylic resin, special propylene elastomeric and trimethylolpropane trimethacrylate for described modified polypropene.
In a preferred embodiment of the present invention, the massfraction that described polyolefin elastomer consumption accounts for modified polypropene consumption is 50% ~ 60%.
In a preferred embodiment of the present invention, described tackifying resin is ethylene acrylic acid co polymer, and the massfraction that its consumption accounts for modified polypropene consumption is 16% ~ 18%.
In a preferred embodiment of the present invention, described linking agent is dicumyl peroxide, and the massfraction that its consumption accounts for modified polypropene consumption is 1.5% ~ 2%.
In a preferred embodiment of the present invention, described whipping agent is Cellmic C 121, and the massfraction that its consumption accounts for modified polypropene consumption is 5% ~ 6%.
In a preferred embodiment of the present invention, described multiple auxiliary agent and the massfraction accounting for modified polypropene consumption are respectively: filler talcum powder 30% ~ 33%, lubricant stearic acid calcium 1.4% ~ 1.6%, chemical additive zinc oxide 2% ~ 2.5%.
In a preferred embodiment of the present invention, in described step a), produce modified polypropylene resin and have employed twin screw extruder, expressing technique condition is: head temperature 220 DEG C, die temperature 210 DEG C, the temperature of the 1 to the 4 operation temperature area is 140 DEG C, 180 DEG C, 190 DEG C, 210 DEG C.
In a preferred embodiment of the present invention, in described step b), prepare expanded beads and have employed Banbury mixer, mill and tablets press, processing condition are: temperature of charge 150 DEG C in Banbury mixer, tablets press temperature 110 DEG C ~ 120 DEG C.
In a preferred embodiment of the present invention, in described step c), expanded molded article comprises the steps: 1) expanded beads of preparation is added moulded from foam machine, foam sheet under 185 DEG C of molding temperatures; 2) to shape at 120 DEG C 280 s through post-heating shaping equipment, the end in forming moving footwear.
Present invention is disclosed end and preparation method thereof in a kind of snappiness sports shoes, in this sports shoes, the end, adopts homemade moldable cross-linked and foamed polypropylene plastics to be prepared, in obtained snappiness sports shoes, ins and outs are greasy, soft, skin sense of touch is good, have excellent mechanical property, are easy to suitability for industrialized production.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the process figure of end preparation method in embodiment of the present invention snappiness sports shoes.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Fig. 1 is the process figure of end preparation method in embodiment of the present invention snappiness sports shoes; In this sports shoes, the end, adopts the polypropylene expanded plastics of snappiness to make, the polypropylene expanded plastics of described snappiness are mixed by modified polypropene, polyolefin elastomer, tackifying resin, linking agent, whipping agent and multiple auxiliary agent, described preparation method comprises the steps: a) to produce modified polypropylene resin, b) expanded beads is prepared, c) expanded molded article.
In the snappiness sports shoes that the present invention mentions, the polypropylene expanded plastics of snappiness of end employing have excellent thermotolerance, higher toughness, mechanical strength, excellent resistance to microwave, degradability and lower tooling cost.The polypropylene expanded plastics of this snappiness take modified polypropene as main raw material, adhesiveproperties is improved to be with the modified olefin resinoid of polar group, by the consumption of reasonable preparation polyolefin elastomer, tackifying resin, whipping agent, linking agent and multiple auxiliary agent, improve the over-all properties of polypropylene expanded plastics, and then elasticity high, comfortable softness in the end in the sports shoes of guarantee preparation, there is excellent mechanical property.Wherein, tackifying resin is ethylene acrylic acid co polymer, and whipping agent is Cellmic C 121, and linking agent is dicumyl peroxide, and multiple auxiliary agent is respectively filler talcum powder, lubricant stearic acid calcium and chemical additive zinc oxide.The preparation technology of end employing in this snappiness sports shoes, breaches the technical bottleneck not adopting high bath strength acrylic resin cannot produce high-foaming polypropylene material, greatly reduces production cost simultaneously, therefore can realize large-scale industrial production.
Embodiment 1
Concrete preparation method is as follows:
A) produce modified polypropylene resin, by acrylic resin, special propylene elastomeric and trimethylolpropane trimethacrylate in mass ratio 10:2:1 add twin screw extruder solid state reaction and can obtain micro-cross-linking modified acrylic resin; The head temperature of twin screw extruder is 220 DEG C, and die temperature is 210 DEG C, and the temperature of the 1 to the 4 operation temperature area is 140 DEG C, 180 DEG C, 190 DEG C, 210 DEG C.Wherein, special propylene elastomeric has good elasticity, and it can make expanded plastic fine and smooth, has good skin sense of touch; Trimethylolpropane trimethacrylate is trifunctional auxiliary agent, and itself and acrylic resin form micro-being cross-linked by reacting in system, both can improve the melt viscosity of acrylic resin, can prevent again the chain degradation of acrylic resin.
B) expanded beads is prepared, concrete preparation process is: get a certain amount of modified polypropylene resin produced, by the mass percent accounting for modified polypropylene resin consumption, first get 50% polyolefin elastomer and modified polypropylene resin blended, further to acrylic resin modification, improve acrylic resin melt viscosity, intensity, and then improve the intensity of expanded plastic, increase the toughness of expanded plastic; Then by the mass percent accounting for modified polypropylene resin consumption, add 16% tackifying resin respectively, 1.5% linking agent, 5% whipping agent, 30% filler talcum powder, 1.4% lubricant stearic acid calcium, 2% chemical additive zinc oxide, carries out blended; Finally the material after blended is processed into expandable particles through Banbury mixer, mill, tablets press, processing condition are: temperature of charge 150 DEG C in Banbury mixer, remix after mill thin-pass, tablets press temperature 110 DEG C.
C) expanded molded article, concrete preparation process is: first the expanded beads of preparation is added moulded from foam machine foam sheet, molding temperature 185 DEG C; Then to shape at 120 DEG C 280 s through post-heating shaping equipment, the end in forming moving footwear.
Embodiment 2
Concrete preparation method is as follows:
A) produce modified polypropylene resin, by acrylic resin, special propylene elastomeric and trimethylolpropane trimethacrylate in mass ratio 10:2:1 add twin screw extruder solid state reaction and can obtain micro-cross-linking modified acrylic resin; The head temperature of twin screw extruder is 220 DEG C, and die temperature is 210 DEG C, and the temperature of the 1 to the 4 operation temperature area is 140 DEG C, 180 DEG C, 190 DEG C, 210 DEG C.Wherein, special propylene elastomeric has good elasticity, and it can make foam material fine and smooth, has good skin sense of touch; Trimethylolpropane trimethacrylate is trifunctional auxiliary agent, and itself and acrylic resin form micro-being cross-linked by reacting in system, both can improve the melt viscosity of acrylic resin, can prevent again the chain degradation of acrylic resin.
B) expanded beads is prepared, concrete preparation process is: get a certain amount of modified polypropylene resin produced, by the mass percent accounting for modified polypropylene resin consumption, first get 60% polyolefin elastomer and modified polypropylene resin blended, further to acrylic resin modification, improve acrylic resin melt viscosity, intensity, and then improve the intensity of foam material, increase the toughness of foam material; Then by the mass percent accounting for modified polypropylene resin consumption, add 18% tackifying resin respectively, 2% linking agent, 6% whipping agent, 33% filler talcum powder, 1.6% lubricant stearic acid calcium, 2.5% chemical additive zinc oxide, carries out blended; Finally the material after blended is processed into expandable particles through Banbury mixer, mill, tablets press, processing condition are: temperature of charge 150 DEG C in Banbury mixer, remix after mill thin-pass, tablets press temperature 120 DEG C.
C) expanded molded article, concrete preparation process is: first the expanded beads of preparation is added moulded from foam machine foam sheet, molding temperature 185 DEG C; Then to shape at 120 DEG C 280 s through post-heating shaping equipment, the end in forming moving footwear.
Present invention is disclosed end and preparation method thereof in a kind of snappiness sports shoes, in this sports shoes, the end, adopts homemade moldable cross-linked and foamed polypropylene plastics to be prepared, in obtained snappiness sports shoes, ins and outs are greasy, soft, skin sense of touch is good, have excellent mechanical property, are easy to suitability for industrialized production.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (10)
1. end and preparation method thereof in a snappiness sports shoes, it is characterized in that, in described sports shoes, the end, adopts the polypropylene expanded plastics of snappiness to make, the polypropylene expanded plastics of described snappiness are mixed by modified polypropene, polyolefin elastomer, tackifying resin, linking agent, whipping agent and multiple auxiliary agent, described preparation method comprises the steps: a) to produce modified polypropylene resin, b) expanded beads is prepared, c) expanded molded article.
2. end and preparation method thereof in snappiness sports shoes according to claim 1, it is characterized in that, 10:2:1 is formulated in mass ratio by acrylic resin, special propylene elastomeric and trimethylolpropane trimethacrylate for described modified polypropene.
3. end and preparation method thereof in snappiness sports shoes according to claim 1, it is characterized in that, the massfraction that described polyolefin elastomer consumption accounts for modified polypropene consumption is 50% ~ 60%.
4. end and preparation method thereof in snappiness sports shoes according to claim 1, it is characterized in that, described tackifying resin is ethylene acrylic acid co polymer, and the massfraction that its consumption accounts for modified polypropene consumption is 16% ~ 18%.
5. end and preparation method thereof in snappiness sports shoes according to claim 1, it is characterized in that, described linking agent is dicumyl peroxide, and the massfraction that its consumption accounts for modified polypropene consumption is 1.5% ~ 2%.
6. end and preparation method thereof in snappiness sports shoes according to claim 1, it is characterized in that, described whipping agent is Cellmic C 121, and the massfraction that its consumption accounts for modified polypropene consumption is 5% ~ 6%.
7. end and preparation method thereof in snappiness sports shoes according to claim 1, it is characterized in that, described multiple auxiliary agent and the massfraction accounting for modified polypropene consumption are respectively: filler talcum powder 30% ~ 33%, lubricant stearic acid calcium 1.4% ~ 1.6%, chemical additive zinc oxide 2% ~ 2.5%.
8. end and preparation method thereof in snappiness sports shoes according to claim 1, it is characterized in that, in described step a), produce modified polypropylene resin and have employed twin screw extruder, expressing technique condition is: head temperature 220 DEG C, die temperature 210 DEG C, the temperature of the 1 to the 4 operation temperature area is 140 DEG C, 180 DEG C, 190 DEG C, 210 DEG C.
9. end and preparation method thereof in snappiness sports shoes according to claim 1; it is characterized in that, in described step b), prepare expanded beads and have employed Banbury mixer, mill and tablets press; processing condition are: temperature of charge 150 DEG C in Banbury mixer, tablets press temperature 110 DEG C ~ 120 DEG C.
10. end and preparation method thereof in snappiness sports shoes according to claim 1, it is characterized in that, in described step c), expanded molded article comprises the steps: 1) expanded beads of preparation is added moulded from foam machine, foam sheet under 185 DEG C of molding temperatures; 2) to shape at 120 DEG C 280 s through post-heating shaping equipment, the end in forming moving footwear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410660769.6A CN104371194A (en) | 2014-11-19 | 2014-11-19 | High-elasticity athletic shoe midsole and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410660769.6A CN104371194A (en) | 2014-11-19 | 2014-11-19 | High-elasticity athletic shoe midsole and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104371194A true CN104371194A (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410660769.6A Pending CN104371194A (en) | 2014-11-19 | 2014-11-19 | High-elasticity athletic shoe midsole and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542304A (en) * | 2016-01-21 | 2016-05-04 | 苏州市景荣科技有限公司 | Thermal storage PP resin-based composite shoe material and preparation method thereof |
| CN109233178A (en) * | 2018-07-24 | 2019-01-18 | 泉州泰亚鞋业有限公司 | The wear-resisting foaming shoe material of ultralight damping and its manufacturing method |
| WO2019133584A1 (en) | 2017-12-28 | 2019-07-04 | Dow Global Technologies Llc | Olefin multi-block copolymer / silicone rubber / tackifier compositions and foams |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1511172A (en) * | 2001-02-23 | 2004-07-07 | �����ι�˾ | Foam cushion and method of making and using same |
| CN101121800A (en) * | 2006-08-10 | 2008-02-13 | 郭廷志 | Electrostatic resistance sole material and manufacturing method thereof |
| CN102030940A (en) * | 2010-12-07 | 2011-04-27 | 河北科技大学 | Polyethylene/rubber expansion rubber brick for automobile and preparation method thereof |
-
2014
- 2014-11-19 CN CN201410660769.6A patent/CN104371194A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1511172A (en) * | 2001-02-23 | 2004-07-07 | �����ι�˾ | Foam cushion and method of making and using same |
| CN101121800A (en) * | 2006-08-10 | 2008-02-13 | 郭廷志 | Electrostatic resistance sole material and manufacturing method thereof |
| CN102030940A (en) * | 2010-12-07 | 2011-04-27 | 河北科技大学 | Polyethylene/rubber expansion rubber brick for automobile and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542304A (en) * | 2016-01-21 | 2016-05-04 | 苏州市景荣科技有限公司 | Thermal storage PP resin-based composite shoe material and preparation method thereof |
| CN105542304B (en) * | 2016-01-21 | 2018-06-01 | 东莞市联洲知识产权运营管理有限公司 | A kind of accumulation of heat PP resins base composite shoe material and preparation method thereof |
| WO2019133584A1 (en) | 2017-12-28 | 2019-07-04 | Dow Global Technologies Llc | Olefin multi-block copolymer / silicone rubber / tackifier compositions and foams |
| US11787924B2 (en) | 2017-12-28 | 2023-10-17 | Dow Global Technologies Llc | Olefin multi-block copolymer / silicone rubber / tackifier compositions and foams |
| CN109233178A (en) * | 2018-07-24 | 2019-01-18 | 泉州泰亚鞋业有限公司 | The wear-resisting foaming shoe material of ultralight damping and its manufacturing method |
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Application publication date: 20150225 |