CN109627561A - A kind of preparation method of elastic force permeable shoe pads - Google Patents

A kind of preparation method of elastic force permeable shoe pads Download PDF

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Publication number
CN109627561A
CN109627561A CN201811509989.3A CN201811509989A CN109627561A CN 109627561 A CN109627561 A CN 109627561A CN 201811509989 A CN201811509989 A CN 201811509989A CN 109627561 A CN109627561 A CN 109627561A
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China
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added
scolecite
polyurethane elastomer
taken
thermoplastic polyurethane
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Inventor
吕正军
秦壮利
李宁
王连波
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Quanzhou Bonnie Biotechnology Co Ltd
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Quanzhou Bonnie Biotechnology Co Ltd
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Priority to CN201811509989.3A priority Critical patent/CN109627561A/en
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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
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/003—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined characterised by the material
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/02—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/08—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined ventilated
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/14—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined made of sponge, rubber, or plastic materials
    • 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
    • C08J9/0023—Use of organic additives containing oxygen
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0014—Use of organic additives
    • C08J9/0028—Use of organic additives containing nitrogen
    • 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
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • 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
    • C08J9/009—Use of pretreated compounding ingredients
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
    • 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
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/08—Copolymers of ethene
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    • 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
    • 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
    • C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2475/04—Polyurethanes
    • 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
    • C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
    • C08J2491/06—Waxes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
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    • C08K5/00—Use of organic ingredients
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    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic
    • C08K7/26—Silicon- containing compounds
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    • C08K9/00—Use of pretreated ingredients
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  • Chemical & Material Sciences (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
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  • Polymers & Plastics (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Emergency Medicine (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

The invention discloses a kind of preparation methods of elastic force permeable shoe pads, specifically include ingredient, plasticizing, foaming, cold moudling, the present invention participates in scolecite in the polymerization reaction of monomer caprolactam after modification, dispersion performance of the scolecite between each polymeric matrix is effectively raised, the mechanical stability of finished product insole is improved；Insole wearability of the invention is good, and resilience is high, good permeability, and comprehensive performance is superior.

Description

A kind of preparation method of elastic force permeable shoe pads
Technical field
The invention belongs to Material Fields, and in particular to the preparation method of elastic force permeable shoe pads.
Background technique
In the prior art, insole is typically all and is made of flexible substrate and cloth surface layer, is that bullet is first made in production Property bottom, then paint glue on the surface of flexible substrate, stick bed of cloth, then cut deburring finished product, there is following lack Point: needing to carry out brush coating fitting, and technique is more, and the fitting between two layers of insole is of low quality；
People when movement, is completed by the strength of foot, thus has the impact force of bigger load to concentrate In foot；Therefore, a preferable insole of resilience is the effect that can play good damping, buffering；
Meanwhile foot movement can generate a large amount of sweat, foot bacterium multiplies, and reduces foot environmental amenity degree, at present Insole there is that gas porosity is poor, lead to the disadvantage that permeability is poor.
Summary of the invention
The object of the present invention is to provide a kind of elastic force permeable shoe pads.
To achieve the above object, the invention adopts the following technical scheme:
A kind of preparation method of elastic force permeable shoe pads, comprising the following steps:
A: ingredient
Eva 25-30, polyolefin thermoplastic elastomer 20-30, modified thermoplastic polyurethane elastomer 35-40, calcium carbonate 1-3, Azodicarbonamide 2-3, zinc oxide 1-2, diisocyanate 0.4-0.6, stearic acid 0.4-0.6；
The shore hardness of the polyolefin thermoplastic elastomer is 70-72A；
What the modified thermoplastic polyurethane elastomer was made of the raw material of following weight parts:
Dibutyl tin dilaurate 0.1-0.3, thermoplastic polyurethane elastomer 100-140, scolecite 10-14, caprolactam 40- 50, ammonium persulfate 1-2, stearic acid 3-5,1- (3- dimethylamino-propyl) -3- ethyl carbodiimide 0.01-0.015, dodecyl Primary amine 2-4, chlorinated paraffin 3-5；
Preparation method, comprising the following steps:
(1) ammonium persulfate is taken, is added in the deionized water of 30-40 times of its weight, stirs evenly；
(2) scolecite is taken, is calcined 1-2 hours at 700-750 DEG C, fine powder is worn into after cooling, is added to 10-15 times of its weight In dehydrated alcohol, dodecyl primary amine is added, increasing temperature is 50-55 DEG C, it is 20-40 minutes ultrasonic, ethyl alcohol is distilled off, obtains amine Change scolecite；
(3) stearic acid is taken, is added in the chloroform of 10-17 times of its weight, stirs evenly, is added 1- (3- dimethylamino-propyl)- 3- ethyl carbodiimide, increasing temperature is 70-75 DEG C, and above-mentioned amination scolecite is added, insulated and stirred 2-3 hours, is distilled off Chloroform obtains modified zeolite powder；
(4) above-mentioned modified zeolite powder is taken, is added in the deionized water of 40-50 times of its weight, caprolactam is added, stirring is equal It is even, it is sent in reaction kettle, is passed through nitrogen, adjusting temperature of reaction kettle is 60-65 DEG C, and ammonium persulfate aqueous solution is added, and heat preservation is stirred It mixes 3-5 hours, discharging cooling filters, filter cake washed, air drying, obtain Zeolite modifying polymer；
(5) above-mentioned Zeolite modifying polymer is taken, mixes, is uniformly mixed with chlorinated paraffin, addition dibutyl tin dilaurate, Thermoplastic polyurethane elastomer stirs evenly, and is sent in extruder, melting extrusion, cooling, is granulated to get the modified heat Plastic polyurethane elastomer；
B: plasticizing
By Eva, polyolefin thermoplastic elastomer, modified thermoplastic polyurethane elastomer, calcium carbonate, azodicarbonamide, oxidation Zinc, diisocyanate, stearic acid mixing, are sent in high-speed mixer, stir 10-20 minutes, be re-fed into mixer and mix Refining, must be plasticized material；
C: foaming
Above-mentioned plasticizing material is sent in film-discharging machine and is processed into sole idiosome, then puts it into progress hot pressing hair in molding die Bubble, foaming temperature are 170-190 DEG C, briquetting pressure 15-30Mpa, and molding time is 10-20 minutes；
D: cold moudling；
Above-mentioned foamed material is put into oven, 150-170s is heated at 160-165 DEG C, then be put into mold while hot, uses 40T Board presses 70-90s, cooling and shaping.
The mixing stabilizes to 110-120 DEG C, and mixing time is 20-40 minutes.
Advantages of the present invention:
Insole of the invention uses Eva, polyolefin thermoplastic elastomer, modified thermoplastic polyurethane elastomer for major ingredient is blended, With good compatibility and elastic effect, the good wear-resisting property of finished product insole and screen resilience can be assigned, and what is be added changes Doped with scolecite in property thermoplastic polyurethane elastomer, with good microcellular structure, the resistance to of finished product insole can be improved Scolecite is participated in the polymerization reaction of monomer caprolactam after modification, is had by mill performance and gas permeability, the present invention Effect improves dispersion performance of the scolecite between each polymeric matrix, improves the mechanical stability of finished product insole；The present invention Insole wearability it is good, resilience is high, good permeability, and comprehensive performance is superior.
Specific embodiment
Embodiment 1
A kind of preparation method of elastic force permeable shoe pads, comprising the following steps:
A: ingredient
Eva 30, polyolefin thermoplastic elastomer 30, modified thermoplastic polyurethane elastomer 40, calcium carbonate 3, azodicarbonamide 3, zinc oxide 2, diisocyanate 0.6, stearic acid 0.6；
The shore hardness of the polyolefin thermoplastic elastomer is 70-72A；
What the modified thermoplastic polyurethane elastomer was made of the raw material of following weight parts:
Dibutyl tin dilaurate 0.3, thermoplastic polyurethane elastic mention 140, scolecite 14, caprolactam 50, ammonium persulfate 2, Stearic acid 5,1- (3- dimethylamino-propyl) -3- ethyl carbodiimide 0.015, dodecyl primary amine 4, chlorinated paraffin 5；
Preparation method, comprising the following steps:
(1) ammonium persulfate is taken, is added in the deionized water of 40 times of its weight, stirs evenly；
(2) scolecite is taken, is calcined 2 hours at 750 DEG C, fine powder is worn into after cooling, is added in its heavy 15 times dehydrated alcohol, Dodecyl primary amine is added, increasing temperature is 55 DEG C, and ultrasound 40 minutes is distilled off ethyl alcohol, obtains amination scolecite；
(3) stearic acid is taken, is added in the chloroform of 17 times of its weight, stirs evenly, 1- (3- dimethylamino-propyl) -3- second is added Base carbodiimide, increasing temperature is 75 DEG C, and above-mentioned amination scolecite is added, insulated and stirred 3 hours, chloroform is distilled off, must change Property zeolite powder；
(4) above-mentioned modified zeolite powder is taken, is added in the deionized water of 50 times of its weight, caprolactam is added, stirs evenly, send Enter into reaction kettle, is passed through nitrogen, adjusting temperature of reaction kettle is 65 DEG C, addition ammonium persulfate aqueous solution, insulated and stirred 5 hours, Discharging cooling, filters, filter cake is washed, air drying, obtain Zeolite modifying polymer；
(5) above-mentioned Zeolite modifying polymer is taken, mixes, is uniformly mixed with chlorinated paraffin, addition dibutyl tin dilaurate, Thermoplastic polyurethane elastomer stirs evenly, and is sent in extruder, melting extrusion, cooling, is granulated to get the modified heat Plastic polyurethane elastomer；
B: plasticizing
By Eva, polyolefin thermoplastic elastomer, modified thermoplastic polyurethane elastomer, calcium carbonate, azodicarbonamide, oxidation Zinc, diisocyanate, stearic acid mixing, are sent in high-speed mixer, stir 20 minutes, be re-fed into mixer and be kneaded, Material must be plasticized；
C: foaming
Above-mentioned plasticizing material is sent in film-discharging machine and is processed into sole idiosome, then puts it into progress hot pressing hair in molding die Bubble, foaming temperature are 190 DEG C, briquetting pressure 30Mpa, and molding time is 20 minutes；
D: cold moudling；
Above-mentioned foamed material is put into oven, 150s is heated at 160 DEG C, then be put into mold while hot, with 40T board pressure 70s, cooling and shaping.
The temperature of the mixing is 120 DEG C, and mixing time is 40 minutes.
Embodiment 2
A kind of preparation method of elastic force permeable shoe pads, comprising the following steps:
A: ingredient
Eva 25, polyolefin thermoplastic elastomer 20, modified thermoplastic polyurethane elastomer 35, calcium carbonate 1, azodicarbonamide 2, zinc oxide 1, diisocyanate 0.4, stearic acid 0.4；
The shore hardness of the polyolefin thermoplastic elastomer is 70A；
What the modified thermoplastic polyurethane elastomer was made of the raw material of following weight parts:
Dibutyl tin dilaurate 0.1, thermoplastic polyurethane elastomer 100, scolecite 10, caprolactam 40, ammonium persulfate 1, Stearic acid 3,1- (3- dimethylamino-propyl) -3- ethyl carbodiimide 0.01, dodecyl primary amine 2, chlorinated paraffin 3；
Preparation method, comprising the following steps:
(1) ammonium persulfate is taken, is added in the deionized water of 30 times of its weight, stirs evenly；
(2) scolecite is taken, is calcined 1 hour at 700 DEG C, fine powder is worn into after cooling, is added to the dehydrated alcohol of 10 times of its weight In, dodecyl primary amine is added, increasing temperature is 50 DEG C, and ultrasound 20 minutes is distilled off ethyl alcohol, obtains amination scolecite；
(3) stearic acid is taken, is added in the chloroform of 17 times of its weight, stirs evenly, 1- (3- dimethylamino-propyl) -3- second is added Base carbodiimide, increasing temperature is 70 DEG C, and above-mentioned amination scolecite is added, insulated and stirred 2 hours, chloroform is distilled off, must change Property zeolite powder；
(4) above-mentioned modified zeolite powder is taken, is added in the deionized water of 40 times of its weight, caprolactam is added, stirs evenly, send Enter into reaction kettle, is passed through nitrogen, adjusting temperature of reaction kettle is 60 DEG C, addition ammonium persulfate aqueous solution, insulated and stirred 3 hours, Discharging cooling, filters, filter cake is washed, air drying, obtain Zeolite modifying polymer；
(5) above-mentioned Zeolite modifying polymer is taken, mixes, is uniformly mixed with chlorinated paraffin, addition dibutyl tin dilaurate, Thermoplastic polyurethane elastomer stirs evenly, and is sent in extruder, melting extrusion, cooling, is granulated to get the modified heat Plastic polyurethane elastomer；
B: plasticizing
By Eva, polyolefin thermoplastic elastomer, modified thermoplastic polyurethane elastomer, calcium carbonate, azodicarbonamide, oxidation Zinc, diisocyanate, stearic acid mixing, are sent in high-speed mixer, stir 10 minutes, be re-fed into mixer and be kneaded, Material must be plasticized；
C: foaming
Above-mentioned plasticizing material is sent in film-discharging machine and is processed into sole idiosome, then puts it into progress hot pressing hair in molding die Bubble, foaming temperature are 170 DEG C, briquetting pressure 15Mpa, and molding time is 10 minutes；
D: cold moudling；
Above-mentioned foamed material is put into oven, 170s is heated at 165 DEG C, then be put into mold while hot, with 40T board pressure 90s, cooling and shaping.
The temperature of the mixing is 110 DEG C, and mixing time is 20 minutes.
Performance test:
The insole of the embodiment of the present invention 1:
Shore hardness: 34C；
Apparent density: 0.28mg/m3；
Tensile strength: 4.6Mpa；
Elongation at break: 345%；
Resilience: 54%；
Compression deformation rate: 15%.
The insole of the embodiment of the present invention 2:
Shore hardness: 33C；
Apparent density: 0.25mg/m3；
Tensile strength: 4.5Mpa；
Elongation at break: 339%；
Resilience: 57%；
Compression deformation rate: 12%.

Claims (2)

1. a kind of preparation method of elastic force permeable shoe pads, which comprises the following steps:
A: ingredient
Eva 25-30, polyolefin thermoplastic elastomer 20-30, modified thermoplastic polyurethane elastomer 35-40, calcium carbonate 1-3, Azodicarbonamide 2-3, zinc oxide 1-2, diisocyanate 0.4-0.6, stearic acid 0.4-0.6；
The shore hardness of the polyolefin thermoplastic elastomer is 70-72A；
What the modified thermoplastic polyurethane elastomer was made of the raw material of following weight parts:
Dibutyl tin dilaurate 0.1-0.3, thermoplastic polyurethane elastomer 100-140, scolecite 10-14, caprolactam 40- 50, ammonium persulfate 1-2, stearic acid 3-5,1- (3- dimethylamino-propyl) -3- ethyl carbodiimide 0.01-0.015, dodecyl Primary amine 2-4, chlorinated paraffin 3-5；
Preparation method, comprising the following steps:
(1) ammonium persulfate is taken, is added in the deionized water of 30-40 times of its weight, stirs evenly；
(2) scolecite is taken, is calcined 1-2 hours at 700-750 DEG C, fine powder is worn into after cooling, is added to 10-15 times of its weight In dehydrated alcohol, dodecyl primary amine is added, increasing temperature is 50-55 DEG C, it is 20-40 minutes ultrasonic, ethyl alcohol is distilled off, obtains amine Change scolecite；
(3) stearic acid is taken, is added in the chloroform of 10-17 times of its weight, stirs evenly, is added 1- (3- dimethylamino-propyl)- 3- ethyl carbodiimide, increasing temperature is 70-75 DEG C, and above-mentioned amination scolecite is added, insulated and stirred 2-3 hours, is distilled off Chloroform obtains modified zeolite powder；
(4) above-mentioned modified zeolite powder is taken, is added in the deionized water of 40-50 times of its weight, caprolactam is added, stirring is equal It is even, it is sent in reaction kettle, is passed through nitrogen, adjusting temperature of reaction kettle is 60-65 DEG C, and ammonium persulfate aqueous solution is added, and heat preservation is stirred It mixes 3-5 hours, discharging cooling filters, filter cake washed, air drying, obtain Zeolite modifying polymer；
(5) above-mentioned Zeolite modifying polymer is taken, mixes, is uniformly mixed with chlorinated paraffin, addition dibutyl tin dilaurate, Thermoplastic polyurethane elastomer stirs evenly, and is sent in extruder, melting extrusion, cooling, is granulated to get the modified heat Plastic polyurethane elastomer；
B: plasticizing
By Eva, polyolefin thermoplastic elastomer, modified thermoplastic polyurethane elastomer, calcium carbonate, azodicarbonamide, oxidation Zinc, diisocyanate, stearic acid mixing, are sent in high-speed mixer, stir 10-20 minutes, be re-fed into mixer and mix Refining, must be plasticized material；
C: foaming
Above-mentioned plasticizing material is sent in film-discharging machine and is processed into sole idiosome, then puts it into progress hot pressing hair in molding die Bubble, foaming temperature are 170-190 DEG C, briquetting pressure 15-30Mpa, and molding time is 10-20 minutes；
D: cold moudling；
Above-mentioned foamed material is put into oven, 150-170s is heated at 160-165 DEG C, then be put into mold while hot, uses 40T Board presses 70-90s, cooling and shaping.
2. a kind of preparation method of elastic force permeable shoe pads according to claim 1, which is characterized in that the temperature of the mixing It is 110-120 DEG C, mixing time is 20-40 minutes.
CN201811509989.3A 2018-12-11 2018-12-11 A kind of preparation method of elastic force permeable shoe pads Pending CN109627561A (en)

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Application publication date: 20190416