CN114702776A - Light folding-resistant thermoplastic rubber sole, thermoplastic elastomer composition and preparation method thereof - Google Patents
Light folding-resistant thermoplastic rubber sole, thermoplastic elastomer composition and preparation method thereof Download PDFInfo
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- CN114702776A CN114702776A CN202210354493.3A CN202210354493A CN114702776A CN 114702776 A CN114702776 A CN 114702776A CN 202210354493 A CN202210354493 A CN 202210354493A CN 114702776 A CN114702776 A CN 114702776A
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
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- 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
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
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- 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
- C08J9/0014—Use of organic additives
- C08J9/0033—Use of organic additives containing sulfur
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- 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
- C08J9/0014—Use of organic additives
- C08J9/0042—Use of organic additives containing silicon
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- 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
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- 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
- C08J9/0066—Use of inorganic compounding ingredients
- C08J9/0071—Nanosized fillers, i.e. having at least one dimension below 100 nanometers
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- 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
- C08J2205/00—Foams characterised by their properties
- C08J2205/04—Foams characterised by their properties characterised by the foam pores
- C08J2205/052—Closed cells, i.e. more than 50% of the pores are closed
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- 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
- C08J2353/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2353/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
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- 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
- C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
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- C—CHEMISTRY; METALLURGY
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
- C08J2409/06—Copolymers with styrene
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- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—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
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- General Chemical & Material Sciences (AREA)
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Abstract
A lightweight folding-resistant thermoplastic rubber sole, a thermoplastic elastomer composition and a preparation method thereof, the thermoplastic elastomer composition for the thermoplastic rubber sole comprises the following raw materials: the styrene-butadiene block copolymer, the styrene-butadiene rubber, the polybutadiene, the foaming agent, the accelerator, the asbestos fiber, the diatomite, the sepiolite powder, the polyethylene wax, the antioxidant, the magnesium stearate and the white mineral oil are limited to be mixed with one another and matched with other raw materials, and complementation in performance can be achieved, so that the sole prepared from the thermoplastic elastomer composition has high elastic performance, and the folding resistance of the whole system is effectively improved.
Description
Technical Field
The invention belongs to the field of preparation of foamed soles, and particularly relates to a lightweight folding-resistant thermoplastic rubber sole, a thermoplastic elastomer composition and a preparation method thereof.
Background
The sole materials on the market at present are as follows, 1, traditional TPR; 2. rubber; 3. EVA foaming material; 4. a polyurethane foam material; 5. PVC material.
The TPR material is mainly one of sole material, body building equipment material and toy material, and the product is continuously updated since the development of 1963 to decades, but the product is still updatedToo high a density (generally 0.9-1.2/cm) is present3) In addition, the surface is rough, the density and wear resistance of the TPR are generally solved by adding a foaming agent and a wear-resistant agent in the market, but the tearing force and the bending resistance of the material are naturally reduced due to the reduction of the density, so that the use requirement can not be met completely, and further improvement is needed.
Disclosure of Invention
The present invention has an object to overcome the disadvantages of the prior art and to provide a thermoplastic elastomer composition for thermoplastic rubber shoe soles and a method for preparing the same, and another object to provide a lightweight folding-resistant thermoplastic rubber shoe sole prepared by using the above thermoplastic elastomer composition.
The invention adopts the following technical scheme:
a thermoplastic elastomer composition for thermoplastic rubber soles comprises the following raw materials in parts by weight:
further, the accelerator consists of dibenzoyl peroxide and mercaptan in a mass ratio of 1: 0.56-0.72.
Further, the foaming agent is a foaming agent AC.
Further, the antioxidant is antioxidant BHT.
A method for preparing a thermoplastic elastomer composition for thermoplastic rubber shoe soles, comprising the steps of:
premixing styrene-butadiene block copolymer in required weight part in a high-speed mixer for 10-15min, then adding styrene-butadiene rubber in required weight part, and uniformly mixing and stirring to obtain a premix;
step two, adding the premix prepared in the step one and other raw materials except the foaming agent and the accelerant into an internal mixer, mixing and banburying, discharging rubber at 115 ℃ and 120 ℃, and standing at room temperature for more than 24 hours;
and step three, mixing the internally mixed mixture on an open mill, adding accurately weighed foaming agent and accelerator, mixing uniformly, and granulating to obtain the thermoplastic elastomer composition.
Further, in the second step, the banburying process specifically includes: adding the premix prepared in the step one and other raw materials except the foaming agent and the accelerator into an internal mixer, and mixing and banburying for 5-10 min; then adjusting the banburying temperature to 89 ℃, and turning for one time after keeping for 3 min; when the banburying temperature is increased to 95 ℃, performing secondary stirring; when the banburying temperature is raised to 102 ℃, turning materials for three times; stirring for four times when the banburying temperature is raised to 110 ℃; and (4) after the banburying temperature is raised to 115-120 ℃, performing five times of material turning, banburying for 1min, discharging the rubber, and standing at room temperature for more than 24 h.
A lightweight folding-resistant thermoplastic rubber sole is injection molded by adopting the thermoplastic elastomer composition.
Further, the preparation method comprises the following steps: and adding the thermoplastic composition into a hopper of a disc injection molding machine, automatically feeding, mixing and melting by a screw, extruding into a sealed sole mold, performing injection molding, cooling at the screw temperature of 145-160 ℃, and opening the mold to obtain the thermoplastic rubber sole.
As can be seen from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are:
firstly, the styrene-butadiene block copolymer, the styrene-butadiene rubber and the polybutadiene are limited to be mixed with each other and matched with other raw materials, and the performances can be complemented, so that the sole prepared from the thermoplastic elastomer composition has high elastic performance, and the folding resistance of the whole system is effectively improved;
secondly, the polyethylene wax and the magnesium stearate are added for matching, so that the diffusion of asbestos fibers, diatomite, sepiolite powder, a foaming agent and an accelerant can be enhanced, the raw materials are uniformly diffused in an integral system, the forming speed can be increased, the demolding is facilitated, and the brightness and the smoothness of the surface of a demolded product are improved; the asbestos fiber can bear certain foaming pressure during injection molding, has certain supporting force for pore walls, adopts diatomite and sepiolite powder with low shrinkage rate, ensures that formed pores do not collapse, and is matched with an accelerant to stabilize the foaming speed so as to obtain a uniform closed pore structure and obtain better mechanical property;
thirdly, dibenzoyl peroxide and mercaptan are matched as an accelerant, and diatomite and sepiolite powder with porous structures are matched, so that during injection molding, decomposed gas can be uniformly filled in an integral system through uniformly dispersed diatomite and sepiolite powder to form uniformly closed cell structures, the closed cell structures are mutually independent, and air bubbles are not communicated, so that better mechanical properties are ensured to be obtained; meanwhile, due to the porous structures of the diatomite and the sepiolite powder, the density of the foamed sole can be effectively reduced, so that a light sole is obtained, and the production requirement is met.
Detailed Description
The invention is further described below by means of specific embodiments.
A lightweight folding-resistant thermoplastic rubber sole is formed by injection molding of a thermoplastic elastomer composition, and the preparation method comprises the following steps: and adding the thermoplastic composition into a hopper of a disc injection molding machine, automatically feeding, mixing and melting by a screw, extruding into a sealed sole mold, injection molding, cooling at the screw temperature of 145-160 ℃, and opening the mold to obtain the thermoplastic rubber sole.
The thermoplastic elastomer composition comprises the following raw materials in parts by weight:
wherein the accelerator consists of dibenzoyl peroxide and mercaptan in a mass ratio of 1: 0.56-0.72.
The preparation method comprises the following steps:
premixing styrene-butadiene block copolymer in required weight part in a high-speed mixer for 10-15min, then adding styrene-butadiene rubber in required weight part, and uniformly mixing and stirring to obtain a premix;
step two, adding the premix prepared in the step one and other raw materials except the foaming agent and the accelerant into an internal mixer, and mixing and banburying for 5-10 min; then adjusting the banburying temperature to 89 ℃, and turning for one time after keeping for 3 min; when the banburying temperature is increased to 95 ℃, performing secondary stirring; when the banburying temperature is raised to 102 ℃, turning materials for three times; stirring for four times when the banburying temperature is raised to 110 ℃; when the banburying temperature is increased to 115-120 ℃, the materials are turned for five times, then the banburying is carried out for 1min, the rubber is discharged, and the mixture is placed at room temperature for more than 24 h;
and step three, mixing the internally mixed mixture on an open mill, adding accurately weighed foaming agent and accelerator, mixing uniformly, and granulating to obtain the thermoplastic elastomer composition.
Example 1
A lightweight folding-resistant thermoplastic rubber sole is formed by injection molding of a thermoplastic elastomer composition, and the preparation method comprises the following steps: adding the thermoplastic composition into a hopper of a disc injection molding machine, automatically feeding, mixing and melting by a screw, extruding into a sealed sole mold, and performing injection molding, wherein the temperature of the screw is 145 ℃, cooling and mold opening to obtain the thermoplastic rubber sole.
The thermoplastic elastomer composition comprises the following raw materials in parts by weight:
wherein the accelerator consists of dibenzoyl peroxide and mercaptan in a mass ratio of 1: 0.56.
The preparation method comprises the following steps:
premixing styrene-butadiene block copolymer in required weight part in a high-speed mixer for 10min, then adding styrene-butadiene rubber in required weight part, and uniformly mixing and stirring to obtain a premix;
step two, adding the premix prepared in the step one and other raw materials except the foaming agent and the accelerant into an internal mixer, and mixing and internally mixing for 10 min; then adjusting the banburying temperature to 89 ℃, and turning for one time after keeping for 3 min; when the banburying temperature is increased to 95 ℃, performing secondary stirring; when the banburying temperature is raised to 102 ℃, turning materials for three times; stirring for four times when the banburying temperature is raised to 110 ℃; after the banburying temperature is raised to 115 ℃, the materials are turned for five times, banburying is carried out for 1min, the rubber is discharged, and the mixture is placed at room temperature for more than 24 h;
and step three, mixing the internally mixed mixture on an open mill, adding accurately weighed foaming agent and accelerator, mixing uniformly, and granulating to obtain the thermoplastic elastomer composition.
Example 2
A lightweight folding-resistant thermoplastic rubber sole is formed by injection molding of a thermoplastic elastomer composition, and the preparation method comprises the following steps: adding the thermoplastic composition into a hopper of a disc injection molding machine, automatically feeding, mixing and melting by a screw, extruding into a sealed sole mold, and performing injection molding, wherein the temperature of the screw is 160 ℃, cooling and mold opening to obtain the thermoplastic rubber sole.
The thermoplastic elastomer composition comprises the following raw materials in parts by weight:
wherein the accelerator consists of dibenzoyl peroxide and mercaptan in a mass ratio of 1: 0.72.
The preparation method comprises the following steps:
premixing styrene-butadiene block copolymer in required weight part for 15min in a high-speed mixer, then adding styrene-butadiene rubber in required weight part, and uniformly mixing and stirring to obtain a premix;
step two, adding the premix prepared in the step one and other raw materials except the foaming agent and the accelerator into an internal mixer, and mixing and internally mixing for 5 min; then adjusting the banburying temperature to 89 ℃, and turning for one time after keeping for 3 min; when the banburying temperature is increased to 95 ℃, performing secondary stirring; when the banburying temperature is raised to 102 ℃, turning materials for three times; stirring for four times when the banburying temperature is raised to 110 ℃; after the banburying temperature is raised to 120 ℃, the materials are turned over for five times, banburying is carried out for 1min, the rubber is discharged, and the mixture is placed at room temperature for more than 24 h;
and step three, mixing the internally mixed mixture on an open mill, adding accurately weighed foaming agent and accelerator, mixing uniformly, and granulating to obtain the thermoplastic elastomer composition.
Example 3
A lightweight folding-resistant thermoplastic rubber sole is formed by injection molding of a thermoplastic elastomer composition, and the preparation method comprises the following steps: adding the thermoplastic composition into a hopper of a disc injection molding machine, automatically feeding, mixing and melting by a screw, extruding into a sealed sole mold, and performing injection molding, wherein the temperature of the screw is 152 ℃, cooling and mold opening to obtain the thermoplastic rubber sole.
A thermoplastic elastomer composition comprising the following raw materials in parts by weight:
wherein the accelerator consists of dibenzoyl peroxide and mercaptan in a mass ratio of 1: 0.65.
The preparation method comprises the following steps:
premixing styrene-butadiene block copolymer in required weight part for 12min in a high-speed mixer, then adding styrene-butadiene rubber in required weight part, and uniformly mixing and stirring to obtain a premix;
step two, adding the premix prepared in the step one and other raw materials except the foaming agent and the accelerant into an internal mixer, and mixing and banburying for 8 min; then adjusting the banburying temperature to 89 ℃, and turning for one time after keeping for 3 min; when the banburying temperature is increased to 95 ℃, performing secondary stirring; when the banburying temperature is raised to 102 ℃, turning materials for three times; stirring for four times when the banburying temperature is raised to 110 ℃; after the banburying temperature is increased to 117 ℃, the materials are turned over for five times, banburying is carried out for 1min, the rubber is discharged, and the mixture is placed at room temperature for more than 24 h;
and step three, mixing the internally mixed mixture on an open mill, adding accurately weighed foaming agent and accelerator, mixing uniformly, and granulating to obtain the thermoplastic elastomer composition.
Comparative example 1
The raw material composition and the preparation method are basically consistent with those of the example 3, and the differences are as follows: magnesium stearate is not added in the raw material composition.
Comparative example 2
The raw material composition and the preparation method are basically consistent with those of the example 3, and the differences are as follows: polyethylene wax is not added in the raw material composition.
Comparative example 3
The raw material composition and the preparation method are basically consistent with those of the example 3, and the differences are as follows: magnesium stearate and polyethylene wax are not added in the raw material composition, and zinc stearate is replaced with the raw material composition in an equivalent amount.
Comparative example 4
The raw material composition and the preparation method are basically consistent with those of the example 3, and the differences are as follows: in the raw material composition, diatomite, sepiolite powder and asbestos fiber are not added, and talcum powder is replaced by the same amount.
Comparative example 5
The raw material composition and the preparation method are basically consistent with those of the example 3, and the differences are as follows: in the raw material composition, diatomite, sepiolite powder and asbestos fiber are not added, and calcium carbonate is replaced by the raw material composition in an equivalent way.
The thermoplastic rubber shoe soles prepared in examples 1 to 3 and comparative examples 1 to 5 were subjected to respective tests, and the following data were obtained:
wherein, the folding endurance is tested according to GB/T15107-2013;
TABLE 1 data table of each example
As can be seen from the above table, the styrene-butadiene block copolymer, styrene-butadiene rubber and polybutadiene are limited to be mixed with each other and matched with other raw materials, and the performances can be complemented, so that the sole prepared by the thermoplastic elastomer composition has high elastic performance, and the folding resistance of the whole system is effectively improved; the polyethylene wax and the magnesium stearate are added for matching, so that the diffusion of asbestos fibers, diatomite, sepiolite powder, a foaming agent and an accelerant can be enhanced, the raw materials are uniformly diffused in an integral system, the forming speed can be increased, the demolding is facilitated, and the brightness and the smoothness of the surface of a demolded product are improved; the asbestos fiber can bear certain foaming pressure during injection molding, has certain supporting force on the pore wall, has low shrinkage of diatomite and sepiolite powder, ensures that formed pores do not collapse, is matched with the accelerant, stabilizes the foaming speed, obtains an even closed pore structure and obtains better mechanical property.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents and modifications within the scope of the description.
Claims (8)
1. A thermoplastic elastomer composition for thermoplastic rubber shoe soles, characterized by: the feed comprises the following raw materials in parts by weight:
2. the thermoplastic elastomer composition for thermoplastic rubber shoe soles according to claim 1, characterized in that: the promoter consists of dibenzoyl peroxide and mercaptan in a mass ratio of 1: 0.56-0.72.
3. The thermoplastic elastomer composition for thermoplastic rubber shoe soles according to claim 1, characterized in that: the foaming agent is foaming agent AC.
4. The thermoplastic elastomer composition for thermoplastic rubber shoe soles according to claim 1, characterized in that: the antioxidant is antioxidant BHT.
5. A process for preparing a thermoplastic elastomer composition for thermoplastic rubber shoe soles, characterized by: the method comprises the following steps:
premixing styrene-butadiene block copolymer in required weight part in a high-speed mixer for 10-15min, then adding styrene-butadiene rubber in required weight part, and uniformly mixing and stirring to obtain a premix;
step two, adding the premix prepared in the step one and other raw materials except the foaming agent and the accelerant into an internal mixer, mixing and banburying, discharging rubber at 115 ℃ and 120 ℃, and standing at room temperature for more than 24 hours;
and step three, mixing the internally mixed mixture on an open mill, adding accurately weighed foaming agent and accelerator, mixing uniformly, and granulating to obtain the thermoplastic elastomer composition.
6. The method for preparing a thermoplastic elastomer composition for thermoplastic rubber shoe soles according to claim 5, characterized by comprising: in the second step, the banburying process specifically comprises the following steps: adding the premix prepared in the step one and other raw materials except the foaming agent and the accelerator into an internal mixer, and mixing and banburying for 5-10 min; then adjusting the banburying temperature to 89 ℃, and turning for one time after keeping for 3 min; when the banburying temperature is increased to 95 ℃, performing secondary stirring; when the banburying temperature is raised to 102 ℃, turning materials for three times; stirring for four times when the banburying temperature is raised to 110 ℃; and (3) after the banburying temperature is raised to 115-120 ℃, performing five-time material turning, carrying out banburying for 1min, discharging the rubber, and standing at room temperature for more than 24 h.
7. The utility model provides a resistant thermoplastic rubber sole of rolling over of light which characterized in that: injection molding using the thermoplastic elastomer composition of claim 1.
8. The lightweight folding-resistant thermoplastic rubber shoe sole according to claim 7, wherein: the preparation method comprises the following steps: and adding the thermoplastic composition into a hopper of a disc injection molding machine, automatically feeding, mixing and melting by a screw, extruding into a sealed sole mold, performing injection molding, cooling at the screw temperature of 145-160 ℃, and opening the mold to obtain the thermoplastic rubber sole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210354493.3A CN114702776A (en) | 2022-04-06 | 2022-04-06 | Light folding-resistant thermoplastic rubber sole, thermoplastic elastomer composition and preparation method thereof |
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| CN202210354493.3A CN114702776A (en) | 2022-04-06 | 2022-04-06 | Light folding-resistant thermoplastic rubber sole, thermoplastic elastomer composition and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102690459A (en) * | 2012-04-27 | 2012-09-26 | 华东理工大学 | High-resilience chemical crosslinked polyethylene foam material and preparation method thereof |
| CN104277406A (en) * | 2014-08-28 | 2015-01-14 | 茂泰(福建)鞋材有限公司 | Light-emitting shoe material and preparation method thereof |
| CN109762220A (en) * | 2019-01-04 | 2019-05-17 | 中策橡胶集团有限公司 | A kind of Tire tread rubber composition and its preparation method and application with microcellular structure |
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2022
- 2022-04-06 CN CN202210354493.3A patent/CN114702776A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102690459A (en) * | 2012-04-27 | 2012-09-26 | 华东理工大学 | High-resilience chemical crosslinked polyethylene foam material and preparation method thereof |
| CN104277406A (en) * | 2014-08-28 | 2015-01-14 | 茂泰(福建)鞋材有限公司 | Light-emitting shoe material and preparation method thereof |
| CN109762220A (en) * | 2019-01-04 | 2019-05-17 | 中策橡胶集团有限公司 | A kind of Tire tread rubber composition and its preparation method and application with microcellular structure |
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