CN111205626A - Preparation process of wear-resistant anti-slip sole - Google Patents
Preparation process of wear-resistant anti-slip sole Download PDFInfo
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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
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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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
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- 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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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- 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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- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
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Abstract
The invention discloses a preparation process of a wear-resistant anti-skidding sole, which relates to the technical field of shoe processing and comprises the following steps: 1) weighing the components in a certain ratio; 2) mixing rubber and polyurethane, heating, adding half of polydimethylsiloxane, and preserving heat to obtain a mixture A; 3) mixing ethylene-vinyl acetate copolymer, a Phylon material and a TPR material, adding the rest polydimethylsiloxane, heating, mixing, adding the modified nano-silica, and carrying out heat preservation and vacuum stirring to obtain a mixture B; 4) dispersing the modified additive and the carboxymethyl cellulose in water, performing ultrasonic dispersion, and removing water to obtain a mixture C; 5) adding the mixture A and the mixture B into a mixing roll, adding epoxy octyl stearate, and mixing; adding the mixture C, and mixing; adding bamboo charcoal fiber and bamboo pulp fiber, and mixing to obtain a product; 6) foaming; 7) cutting and polishing to obtain the sole. The invention has the beneficial effects that the sole has better wear-resisting and anti-skidding performances.
Description
Technical Field
The invention relates to the technical field of shoe processing, in particular to a preparation process of a wear-resistant and anti-skidding sole.
Background
The shoes are one of the necessary articles for daily life of people, provide great convenience for the production and life of people, can be put into work and production more easily and freely when people wear the shoes, also provide great convenience for people to go out to participate in social activities, participate in sports and outdoor training, not only can play a role in keeping warm and resisting cold, but also has a certain role in damping and protecting feet.
The sole is used as an important component of the shoe, can bear most functions of the shoe, requires strong impact resistance on the sole due to gravity of a human body and external force generated by sports and other modes, and has certain elasticity so that impact on the foot and the sole of the human body caused by the external force can be effectively buffered. The sole materials are of various types and can be divided into natural base materials and synthetic base materials. The natural bottom materials comprise natural bottom leather, bamboo, wood and the like, and the synthetic bottom materials comprise rubber, plastics, rubber and plastic combined materials, regenerated leather, elastic hardboard and the like.
The sole is rather complex in construction and in a broad sense may include all of the materials forming the sole, such as the outsole, midsole and heel. In a narrow sense, only the outsole is referred to, and common characteristics of general sole materials should be wear-resistant, water-resistant, oil-resistant, heat-resistant, pressure-resistant, impact-resistant, good in elasticity, easily suitable for a foot shape, not easy to deform after shaping, heat-insulating, easy to absorb moisture and the like.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art and provides a preparation process of a wear-resistant anti-slip sole.
The technical solution of the invention is as follows:
a preparation process of a wear-resistant anti-slip sole comprises the following steps:
(1) weighing the following components in parts by weight:
25-32 parts of polyurethane, 22-26 parts of TPR material, 18-24 parts of ethylene-vinyl acetate copolymer, 16-22 parts of Phyton material, 34-42 parts of rubber, 2-8 parts of polydimethylsiloxane, 2-8 parts of bamboo charcoal fiber, 2-8 parts of bamboo pulp fiber, 1-7 parts of carboxymethyl cellulose, 2-4 parts of modified nano silicon dioxide, 1-7 parts of epoxy octyl stearate and 4-10 parts of modified additive;
(3) mixing the weighed rubber and polyurethane, heating until the rubber and the polyurethane are completely melted, adding half of the weighed polydimethylsiloxane, and stirring in vacuum for 60-120 min under the condition of heat preservation to obtain a mixture A;
(3) adding the weighed ethylene-vinyl acetate copolymer, the Phyton material and the TPR material into a reaction kettle, adding the rest weight of polydimethylsiloxane, heating to 120-140 ℃, uniformly mixing and stirring, then adding the weighed modified nano-silica, and carrying out heat preservation and vacuum stirring for 30-60 min to obtain a mixture B;
(4) dispersing the weighed modified additive and carboxymethyl cellulose in water, uniformly stirring to obtain a mixed solution, placing the mixed solution under an ultrasonic condition for ultrasonic dispersion for 30-40min, standing, and concentrating to remove water to obtain a mixture C;
(5) transferring the mixture A and the mixture B into a mixing roll, adding epoxy octyl stearate, and mixing for 10-20 min at 120-130 ℃; adding the mixture C, and continuously mixing for 15-25 min at 140-150 ℃; then adding bamboo charcoal fiber and bamboo pulp fiber, and continuously mixing for 20-30 min at 150-160 ℃ to obtain a product;
(6) placing the product in a mold, foaming at the heating temperature of 150-160 ℃ and the pressure of 8-9 MPa, and then cooling to room temperature to obtain a sole material;
(7) and cutting and polishing the sole material to obtain the sole.
As a preferred technical scheme, in the step (1), the weight parts of the components are as follows: 27-30 parts of polyurethane, 23-25 parts of TPR material, 20-22 parts of ethylene-vinyl acetate copolymer, 18-20 parts of Phyton material, 36-40 parts of rubber, 4-6 parts of polydimethylsiloxane, 4-6 parts of bamboo charcoal fiber, 4-6 parts of bamboo pulp fiber, 3-5 parts of carboxymethyl cellulose, 2.5-3.5 parts of modified nano silicon dioxide, 3-5 parts of epoxy octyl stearate and 6-8 parts of modified additive.
As a preferred technical scheme, in the step (1), the weight parts of the components are as follows: 28 parts of polyurethane, 24 parts of TPR material, 21 parts of ethylene-vinyl acetate copolymer, 19 parts of Phylon material, 38 parts of rubber, 5 parts of polydimethylsiloxane, 5 parts of bamboo charcoal fiber, 5 parts of bamboo pulp fiber, 5 parts of carboxymethyl cellulose, 3 parts of modified nano silicon dioxide, 4 parts of epoxy octyl stearate and 7 parts of modified additive.
Preferably, the polyurethane in the step (1) has a hardness of 55-65 and a specific gravity of 0.4-0.5 g/mm3Tensile strength is more than or equal to 20kg/cm2The tear strength is greater than 10.
Preferably, the TPR material in the step (1) has a hardness of 55-65 and a specific gravity of 0.92-1.02 g/mm3Tensile strength is more than or equal to 20kg/cm2The tear strength is greater than 10.
As a preferable technical scheme, the rubber in the step (1) has the hardness of 58-68 and the specific gravity of 1.1-E1.25g/mm3Tensile strength is more than or equal to 100kg/cm2The tear strength is greater than 10.
As a preferable technical scheme, the ethylene-vinyl acetate copolymer and the PHYLON material in the step (1) have the hardness of 55-62 and the specific gravity of 0.2-0.3 g/mm3Tensile strength is more than or equal to 20kg/cm2The tear strength is greater than 10.
As a preferable technical scheme, the modification method of the modified nano silica in the step (1) comprises the following steps: placing nano silicon dioxide in N2Preactivating for 30-40min at the temperature of 260-300 ℃ in the atmosphere, introducing 130-150 ℃ octamethylcyclotetrasiloxane and ethanol, cooling after the reaction is completed for 40-50min, and using N2And blowing the reaction product to obtain the modified nano silicon dioxide, wherein the weight ratio of the nano silicon dioxide to the octamethylcyclotetrasiloxane to the ethanol is 3.5:1: 1.
As a preferable technical scheme, the modifying additive in the step (1) is a mixture of nano calcium carbonate, nano titanium dioxide, nano zinc oxide and glass powder in a weight ratio of 3:1:1: 2.
As a preferred technical scheme, the modification method of the modification additive in the step (1) comprises the following steps: adding an additive into a citric acid solution, uniformly mixing, heating to 280-300 ℃, preserving heat for 30-40min, then cooling to 180-200 ℃, adding organosilane, stirring for 30-40min to obtain a modified additive suspension, cooling and drying, wherein the weight ratio of the additive to the organosilane is 1: 0.5-0.8; the addition amount of the citric acid solution is 55-60% of the weight of the additive.
The invention has the beneficial effects that:
1. because polyurethane has the advantages of wear resistance and good elasticity and the defects of easy fracture and water intolerance, rubber has the advantages of good wear resistance, skid resistance, elasticity and difficult fracture and the defects of easy frost, heavy weight and the like, TPR has the advantages of light weight, comfort, high strength and the like and the defects of poor softness, wear resistance and the like, ethylene-vinyl acetate copolymer has the advantages of light weight, good elasticity, good flexibility and the like and the defects of easy water absorption and the like, and Phylon material has the advantages of light weight, elasticity, good elongation and the like and the defects of poor durability; therefore, the sole prepared by the invention has the advantages of 5 materials, namely polyurethane, TPR material, ethylene-vinyl acetate copolymer, Phylon material and rubber, by selecting polyurethane, TPR material, ethylene-vinyl acetate copolymer, Phylon material and rubber with proper hardness, specific gravity, tensile strength and tearing strength according to proper proportion and adopting the preparation method disclosed by the invention, so that the sole has the advantages of softness, wear resistance, difficulty in water absorption, skid resistance and the like, and meets the national standard.
2. According to the invention, by adding the modified silicon dioxide and the modified additive, the silicon dioxide and the additive are modified to have hydrophobicity, so that the hydrophobicity of the sole is improved, namely the sole is not easy to absorb water; the modified silicon dioxide and the modified additive are solid particles, so that the wear resistance of the sole can be improved; and the solid particles are contacted with the ground, so that the friction force is increased, and the anti-skid performance of the sole is improved.
3. The ethanol and the octamethylcyclotetrasiloxane have a synergistic effect, and the ethanol can be subjected to an esterification reaction with the nano silicon dioxide on one hand, and the other part of the ethanol can be used as a solvent for dispersing the octamethylcyclotetrasiloxane, so that the modification effect on the nano silicon dioxide and the hydrophobic degree of the nano silicon dioxide can be improved by adopting the ethanol and the octamethylcyclotetrasiloxane.
4. The bamboo charcoal fiber and the bamboo pulp fiber are added, so that the tensile resistance and the wear resistance of the sole can be improved, and meanwhile, the bamboo charcoal fiber has the effects of bacteriostasis, antibiosis, moisture absorption, deodorization and the like, so that odor and water vapor in the shoe can be effectively adsorbed, and the bacteriostasis and antibiosis effects of the sole can be improved.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples.
Example 1
A preparation process of a wear-resistant anti-slip sole comprises the following steps:
(1) weighing the following raw materials in parts by weight:
25kg of polyurethane, 22kg of TPR material, 18kg of ethylene-vinyl acetate copolymer, 16kg of Phyton material, 34kg of rubber, 2kg of polydimethylsiloxane, 2kg of bamboo charcoal fiber, 2kg of bamboo pulp fiber, 1kg of carboxymethyl cellulose, 2kg of modified nano silicon dioxide, 1kg of epoxy octyl stearate and 4kg of modified additive;
wherein the polyurethane has a hardness of 55-65 and a specific gravity of 0.4-0.5 g/mm3Tensile strength is more than or equal to 20kg/cm2The tearing strength is more than 10; the TPR material has a hardness of 55 to 65 and a specific gravity of 0.92 to 1.02g/mm3Tensile strength is more than or equal to 20kg/cm2The tearing strength is more than 10; the rubber has a hardness of 58-68 and a specific gravity of 1.1-1.25 g/mm3Tensile strength is more than or equal to 100kg/cm2The tearing strength is more than 10; the hardness of the ethylene-vinyl acetate copolymer and the PHYLON material is 55-62, and the specific gravity of the ethylene-vinyl acetate copolymer and the PHYLON material is 0.2-0.3 g/mm3Tensile strength is more than or equal to 20kg/cm2The tear strength is greater than 10.
The modification method of the modified nano silicon dioxide comprises the following steps: placing nano silicon dioxide in N2Preactivating at 260 deg.C for 30min in atmosphere, introducing 130 deg.C octamethylcyclotetrasiloxane and ethanol, reacting for 40min, cooling, and adding N2And blowing the reaction product to obtain the modified nano silicon dioxide, wherein the weight ratio of the nano silicon dioxide to the octamethylcyclotetrasiloxane to the ethanol is 3.5:1: 1.
Wherein the modified additive is a mixture of nano calcium carbonate, nano titanium dioxide, nano zinc oxide and glass powder in a weight ratio of 3:1:1:2, and the modification method of the modified additive comprises the following steps: adding an additive into a citric acid solution, uniformly mixing, heating to 280 ℃, keeping the temperature for 30min, then cooling to 180 ℃, adding organosilane, stirring for 30min to obtain a modified additive suspension, cooling and drying, wherein the weight ratio of the additive to the organosilane is 1: 0.5; the citric acid solution was added in an amount of 55% by weight of the additive.
(4) Mixing rubber and polyurethane, heating until the rubber and the polyurethane are completely melted, adding half of the weighed polydimethylsiloxane, and stirring for 60min under the condition that the vacuum degree is-50 MPa while keeping the temperature to obtain a mixture A;
(3) adding ethylene-vinyl acetate copolymer, a Phylon material and a TPR material into a reaction kettle, adding the rest weight of polydimethylsiloxane, heating to 120 ℃, uniformly mixing and stirring, then adding modified nano-silica, and stirring for 30min at a vacuum degree of-50 MPa to obtain a mixture B;
(4) dispersing the modified additive and the carboxymethyl cellulose in water, uniformly stirring to obtain a mixed solution, placing the mixed solution under the ultrasonic condition for ultrasonic dispersion for 30min, standing, and concentrating to remove water to obtain a mixture C;
(5) transferring the mixture A and the mixture B into a mixing roll, adding epoxy octyl stearate, and mixing for 10min at 120 ℃; adding the mixture C, and continuously mixing for 15min at 140 ℃; adding bamboo charcoal fiber and bamboo pulp fiber, and continuously mixing at 150 deg.C for 20min to obtain product;
(6) placing the product in a mold, foaming at a heating temperature of 150 ℃ and a pressure of 8MPa, and then cooling to room temperature to obtain a sole material;
(7) and cutting and polishing the sole material to obtain the sole.
Example 2
A preparation process of a wear-resistant anti-slip sole comprises the following steps:
(1) weighing the following raw materials in parts by weight:
27 parts of polyurethane, 23 parts of TPR material, 20 parts of ethylene-vinyl acetate copolymer, 18 parts of Phylon material, 36 parts of rubber, 4 parts of polydimethylsiloxane, 4 parts of bamboo charcoal fiber, 4 parts of bamboo pulp fiber, 3 parts of carboxymethyl cellulose, 2.5 parts of modified nano silicon dioxide, 3 parts of epoxy octyl stearate and 6 parts of modified additive.
Wherein the polyurethane has a hardness of 55-65 and a specific gravity of 0.4-0.5 g/mm3Tensile strength is more than or equal to 20kg/cm2The tearing strength is more than 10; the TPR material has a hardness of 55 to 65 and a specific gravity of 0.92 to 1.02g/mm3Tensile strength is more than or equal to 20kg/cm2The tearing strength is more than 10; the rubber has a hardness of 58-68 and a specific gravity of 1.1-1.25 g/mm3Tensile strength is more than or equal to 100kg/cm2The tearing strength is more than 10; of ethylene-vinyl acetate copolymers and of PHYLON materialThe hardness is 55-62, and the specific gravity is 0.2-0.3 g/mm3Tensile strength is more than or equal to 20kg/cm2The tear strength is greater than 10.
The modification method of the modified nano silicon dioxide comprises the following steps: placing nano silicon dioxide in N2Preactivating at 280 deg.C for 35min in atmosphere, introducing 140 deg.C octamethylcyclotetrasiloxane and ethanol, reacting for 45min, cooling, and adding N2And blowing the reaction product to obtain the modified nano silicon dioxide, wherein the weight ratio of the nano silicon dioxide to the octamethylcyclotetrasiloxane to the ethanol is 3.5:1: 1.
Wherein the modified additive is a mixture of nano calcium carbonate, nano titanium dioxide, nano zinc oxide and glass powder in a weight ratio of 3:1:1:2, and the modification method of the modified additive comprises the following steps: adding an additive into a citric acid solution, uniformly mixing, heating to 290 ℃, keeping the temperature for 35min, then cooling to 190 ℃, adding organosilane, stirring for 35min to obtain a modified additive suspension, cooling and drying, wherein the weight ratio of the additive to the organosilane is 1: 0.65; the citric acid solution was added in an amount of 58% by weight of the additive.
(2) Mixing rubber and polyurethane, heating until the rubber and the polyurethane are completely melted, adding polydimethylsiloxane with half of the weighed weight, and stirring for 80min in vacuum at the constant temperature to obtain a mixture A;
(3) adding ethylene-vinyl acetate copolymer, a Phylon material and a TPR material into a reaction kettle, adding the rest weight of polydimethylsiloxane, heating to 130 ℃, uniformly mixing and stirring, then adding modified nano-silica, and carrying out heat preservation and vacuum stirring for 40min to obtain a mixture B;
(4) dispersing the modified additive and carboxymethyl cellulose in water, stirring uniformly to obtain a mixed solution, placing the mixed solution under the ultrasonic condition for ultrasonic dispersion for 35min, standing, and concentrating to remove water to obtain a mixture C;
(5) transferring the mixture A and the mixture B into a mixing roll, adding epoxy octyl stearate, and mixing for 15min at 125 ℃; adding the mixture C, and continuously mixing for 20min at 145 ℃; adding bamboo charcoal fiber and bamboo pulp fiber, and continuously mixing at 155 deg.C for 25min to obtain product;
(6) placing the product in a mold, foaming at the heating temperature of 155 ℃ and the pressure of 8.5MPa, and then cooling to room temperature to obtain a sole material;
(7) and cutting and polishing the sole material to obtain the sole.
Example 3
A preparation process of a wear-resistant anti-slip sole comprises the following steps:
(1) weighing the following raw materials in parts by weight:
28 parts of polyurethane, 24 parts of TPR material, 21 parts of ethylene-vinyl acetate copolymer, 19 parts of Phylon material, 38 parts of rubber, 5 parts of polydimethylsiloxane, 5 parts of bamboo charcoal fiber, 5 parts of bamboo pulp fiber, 5 parts of carboxymethyl cellulose, 3 parts of modified nano silicon dioxide, 4 parts of epoxy octyl stearate and 7 parts of modified additive.
Wherein the polyurethane has a hardness of 55-65 and a specific gravity of 0.4-0.5 g/mm3Tensile strength is more than or equal to 20kg/cm2The tearing strength is more than 10; the TPR material has a hardness of 55 to 65 and a specific gravity of 0.92 to 1.02g/mm3Tensile strength is more than or equal to 20kg/cm2The tearing strength is more than 10; the rubber has a hardness of 58-68 and a specific gravity of 1.1-1.25 g/mm3Tensile strength is more than or equal to 100kg/cm2The tearing strength is more than 10; the hardness of the ethylene-vinyl acetate copolymer and the PHYLON material is 55-62, and the specific gravity of the ethylene-vinyl acetate copolymer and the PHYLON material is 0.2-0.3 g/mm3Tensile strength is more than or equal to 20kg/cm2The tear strength is greater than 10.
The modification method of the modified nano silicon dioxide comprises the following steps: placing nano silicon dioxide in N2Preactivating at 300 deg.C for 40min, introducing 150 deg.C octamethylcyclotetrasiloxane and ethanol, reacting for 50min, cooling, and adding N2And blowing the reaction product to obtain the modified nano silicon dioxide, wherein the weight ratio of the nano silicon dioxide to the octamethylcyclotetrasiloxane to the ethanol is 3.5:1: 1.
Wherein the modified additive is a mixture of nano calcium carbonate, nano titanium dioxide, nano zinc oxide and glass powder in a weight ratio of 3:1:1:2, and the modification method of the modified additive comprises the following steps: adding an additive into a citric acid solution, uniformly mixing, heating to 300 ℃, keeping the temperature for 40min, then cooling to 200 ℃, adding organosilane, stirring for 40min to obtain a modified additive suspension, cooling and drying, wherein the weight ratio of the additive to the organosilane is 1: 0.5-0.8; the citric acid solution was added in an amount of 60% by weight of the additive.
(2) Mixing rubber and polyurethane, heating until the rubber and the polyurethane are completely melted, adding polydimethylsiloxane with half of the weighed weight, and stirring for 120min in vacuum at the constant temperature to obtain a mixture A;
(3) adding ethylene-vinyl acetate copolymer, a Phylon material and a TPR material into a reaction kettle, adding the rest weight of polydimethylsiloxane, heating to 140 ℃, uniformly mixing and stirring, then adding modified nano-silica, and carrying out heat preservation and vacuum stirring for 60min to obtain a mixture B;
(4) dispersing the modified additive and carboxymethyl cellulose in water, stirring uniformly to obtain a mixed solution, performing ultrasonic dispersion on the mixed solution for 40min under the ultrasonic condition, standing, and concentrating to remove water to obtain a mixture C;
(5) transferring the mixture A and the mixture B into a mixing roll, adding epoxy octyl stearate, and mixing for 20min at 130 ℃; adding the mixture C, and continuously mixing for 25min at 1150 ℃; adding bamboo charcoal fiber and bamboo pulp fiber, and continuously mixing at 160 deg.C for 30min to obtain product;
(6) placing the product in a mold, foaming at a heating temperature of 160 ℃ and a pressure of 9MPa, and then cooling to room temperature to obtain a sole material;
(7) and cutting and polishing the sole material to obtain the sole.
Example 4
A preparation process of a wear-resistant anti-slip sole comprises the following steps:
(1) weighing the following raw materials in parts by weight:
30 parts of polyurethane, 25 parts of TPR material, 22 parts of ethylene-vinyl acetate copolymer, 20 parts of Phylon material, 40 parts of rubber, 6 parts of polydimethylsiloxane, 6 parts of bamboo charcoal fiber, 6 parts of bamboo pulp fiber, 5 parts of carboxymethyl cellulose, 3.5 parts of modified nano silicon dioxide, 5 parts of epoxy octyl stearate and 8 parts of modified additive.
The rest is the same as example 1.
Example 5
A preparation process of a wear-resistant anti-slip sole comprises the following steps:
(1) weighing the following raw materials in parts by weight:
32kg of polyurethane, 26kg of TPR material, 24kg of ethylene-vinyl acetate copolymer, 22kg of Phyton material, 42kg of rubber, 8kg of polydimethylsiloxane, 8kg of bamboo charcoal fiber, 8kg of bamboo pulp fiber, 7kg of carboxymethyl cellulose, 4kg of modified nano silicon dioxide, 7kg of epoxy octyl stearate and 10kg of modified additive;
the rest is the same as example 1.
Comparative example 1
Removing the ethylene-vinyl acetate copolymer, the Phyton material, the bamboo charcoal fiber, the bamboo pulp fiber, the modified nano silicon dioxide and the modified additive in the step (1) in the embodiment 1; the rest is the same as example 1.
Comparative example 2
A preparation process of a wear-resistant anti-slip sole comprises the following steps:
(1) the same as the step (1) in example 1;
(2) transferring all the raw materials in the step (1) into a mixing roll, and mixing for 40-60 min at 120-130 ℃ to obtain a product;
(3) placing the product in a mold, foaming at a heating temperature of 130-140 ℃, and then cooling to room temperature to obtain a sole material;
(4) and cutting and polishing the sole material to obtain the sole.
Test for abrasion resistance and grip performance
The performances of the soles prepared in examples 1-5 of the invention and the soles prepared in comparative examples 1-2 of the invention were tested according to GB/T3903.2-2008 "wear resistance of general test method for footwear", and HG/T3780-2005 "test method for static anti-skid property for footwear", and the specific results are shown in Table 1:
TABLE 1 abrasion resistance and grip performance test results
As can be seen from Table 1, the wear resistance and the skid resistance of the soles prepared in examples 1 to 5 both meet the national standards; the wear-resistant and anti-skid sole is obviously superior to a commercially available sole, and the wear-resistant performance and the anti-skid performance of the sole prepared in the embodiment are obviously superior to those of the sole prepared in the comparative example 1 (different sole formulas) and the comparative document 2 (different preparation methods) as can be seen by comparing the embodiments 1 to 5 with the comparative examples 1 to 2, so that the sole prepared in the invention has better wear-resistant performance and anti-skid performance by selecting a proper formula and a preparation method, matching different performance components, selecting proper reaction conditions and preparing a specific reactant under specific reaction conditions.
The above are merely characteristic embodiments of the present invention, and do not limit the scope of the present invention in any way. All technical solutions formed by equivalent exchanges or equivalent substitutions fall within the protection scope of the present invention.
Claims (10)
1. A preparation process of a wear-resistant anti-slip sole is characterized by comprising the following steps:
(1) weighing the following components in parts by weight:
25-32 parts of polyurethane, 22-26 parts of TPR material, 18-24 parts of ethylene-vinyl acetate copolymer, 16-22 parts of Phyton material, 34-42 parts of rubber, 2-8 parts of polydimethylsiloxane, 2-8 parts of bamboo charcoal fiber, 2-8 parts of bamboo pulp fiber, 1-7 parts of carboxymethyl cellulose, 2-4 parts of modified nano silicon dioxide, 1-7 parts of epoxy octyl stearate and 4-10 parts of modified additive;
(2) mixing the weighed rubber and polyurethane, heating until the rubber and the polyurethane are completely melted, adding half of the weighed polydimethylsiloxane, and stirring in vacuum for 60-120 min under the condition of heat preservation to obtain a mixture A;
(3) adding the weighed ethylene-vinyl acetate copolymer, the Phyton material and the TPR material into a reaction kettle, adding the rest weight of polydimethylsiloxane, heating to 120-140 ℃, uniformly stirring, adding the weighed modified nano-silica, and carrying out heat preservation and vacuum stirring for 30-60 min to obtain a mixture B;
(4) dispersing the weighed modified additive and carboxymethyl cellulose in water, uniformly stirring to obtain a mixed solution, placing the mixed solution under an ultrasonic condition for ultrasonic dispersion for 30-40min, standing, and concentrating to remove water to obtain a mixture C;
(5) transferring the mixture A and the mixture B into a mixing roll, adding epoxy octyl stearate, and mixing for 10-20 min at 120-130 ℃; adding the mixture C, and continuously mixing for 15-25 min at 140-150 ℃; then adding bamboo charcoal fiber and bamboo pulp fiber, and continuously mixing for 20-30 min at 150-160 ℃ to obtain a product;
(6) placing the product in a mold, foaming at the heating temperature of 150-160 ℃ and the pressure of 8-9 MPa, and then cooling to room temperature to obtain a sole material;
(7) and cutting and polishing the sole material to obtain the sole.
2. The preparation process of the wear-resistant anti-slip sole according to claim 1, wherein in the step (1), the components are as follows in parts by weight: 27-30 parts of polyurethane, 23-25 parts of TPR material, 20-22 parts of ethylene-vinyl acetate copolymer, 18-20 parts of Phyton material, 36-40 parts of rubber, 4-6 parts of polydimethylsiloxane, 4-6 parts of bamboo charcoal fiber, 4-6 parts of bamboo pulp fiber, 3-5 parts of carboxymethyl cellulose, 2.5-3.5 parts of modified nano silicon dioxide, 3-5 parts of epoxy octyl stearate and 6-8 parts of modified additive.
3. The preparation process of the wear-resistant anti-slip sole according to claim 1, wherein in the step (1), the components are as follows in parts by weight: 28 parts of polyurethane, 24 parts of TPR material, 21 parts of ethylene-vinyl acetate copolymer, 19 parts of Phylon material, 38 parts of rubber, 5 parts of polydimethylsiloxane, 5 parts of bamboo charcoal fiber, 5 parts of bamboo pulp fiber, 5 parts of carboxymethyl cellulose, 3 parts of modified nano silicon dioxide, 4 parts of epoxy octyl stearate and 7 parts of modified additive.
4. The process for preparing a wear-resistant and non-slip sole according to claim 1, wherein the process comprisesCharacterized in that the polyurethane in the step (1) has the hardness of 55-65 and the specific gravity of 0.4-0.5 g/mm3Tensile strength is more than or equal to 20kg/cm2The tear strength is greater than 10.
5. The preparation process of the wear-resistant and anti-slip sole according to claim 1, wherein the TPR material in the step (1) has a hardness of 55-65 and a specific gravity of 0.92-1.02 g/mm3Tensile strength is more than or equal to 20kg/cm2The tear strength is greater than 10.
6. The preparation process of the wear-resistant and anti-slip sole according to claim 1, wherein the rubber in the step (1) has a hardness of 58-68 and a specific gravity of 1.1-1.25 g/mm3Tensile strength is more than or equal to 100kg/cm2The tear strength is greater than 10.
7. The preparation process of the wear-resistant and anti-slip sole according to claim 1, wherein the ethylene-vinyl acetate copolymer and the PHYLON material in the step (1) have the hardness of 55-62 and the specific gravity of 0.2-0.3 g/mm3Tensile strength is more than or equal to 20kg/cm2The tear strength is greater than 10.
8. The preparation process of the wear-resistant and anti-slip sole according to claim 1, wherein the modification method of the modified nano silica in the step (1) comprises the following steps: placing nano silicon dioxide in N2Preactivating for 30-40min at the temperature of 260-300 ℃ in the atmosphere, introducing 130-150 ℃ octamethylcyclotetrasiloxane and ethanol, cooling after the reaction is completed for 40-50min, and using N2And blowing the reaction product to obtain the modified nano silicon dioxide, wherein the weight ratio of the nano silicon dioxide to the octamethylcyclotetrasiloxane to the ethanol is 3.5:1: 1.
9. The preparation process of the wear-resistant and anti-slip sole according to claim 1, wherein the modifying additive in the step (1) is a mixture of nano calcium carbonate, nano titanium dioxide, nano zinc oxide and glass powder in a weight ratio of 3:1:1: 2.
10. The preparation process of the wear-resistant anti-slip sole according to claim 9, wherein: the modification method of the modification additive in the step (1) comprises the following steps: adding an additive into a citric acid solution, uniformly mixing, heating to 280-300 ℃, preserving heat for 30-40min, then cooling to 180-200 ℃, adding organosilane, stirring for 30-40min to obtain a modified additive suspension, cooling and drying, wherein the weight ratio of the additive to the organosilane is 1: 0.5-0.8; the addition amount of the citric acid solution is 55-60% of the weight of the additive.
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