CN114788599A - Graphene multifunctional insole and preparation method thereof - Google Patents

Graphene multifunctional insole and preparation method thereof Download PDF

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Publication number
CN114788599A
CN114788599A CN202111452025.1A CN202111452025A CN114788599A CN 114788599 A CN114788599 A CN 114788599A CN 202111452025 A CN202111452025 A CN 202111452025A CN 114788599 A CN114788599 A CN 114788599A
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graphene
insole
layer
multifunctional
stirring
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付小华
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Fujian Amma Sports Equipment Technology Co ltd
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Fujian Amma Sports Equipment Technology Co ltd
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    • 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
    • A43B17/006—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined characterised by the material multilayered
    • 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
    • A43B17/10—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined specially adapted for sweaty feet; waterproof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
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    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/046—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C08G18/4072—Mixtures of compounds of group C08G18/63 with other macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
    • C08G18/632—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers onto polyethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
    • C08G18/6688—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3271
    • 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
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C08K3/042—Graphene or derivatives, e.g. graphene oxides
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/02—Ingredients treated with inorganic substances
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
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    • B32B2266/0214—Materials belonging to B32B27/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2437/00—Clothing
    • B32B2437/02—Gloves, shoes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2101/00—Manufacture of cellular products
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent

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  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Ceramic Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

The invention belongs to the technical field of insoles, and particularly relates to a graphene multifunctional insole which comprises an insole body, wherein the insole body comprises a base insole body, a conducting layer and a ventilating layer; air holes are arranged on the air permeable layer; the base pad body, the conducting layer and the breathable layer are integrally hot-melted and adhered; and a heat conduction reinforcing block is embedded on the graphene conduction layer. The graphene multifunctional insole is prepared from a base insole body, a conductive layer and a breathable layer, wherein in the preparation of the base insole body, a graphene improver is introduced into a body to be foamed, the graphene improver adopts graphene which is dispersed by a surfactant and polypropylene fiber, so that the guiding effect of capillary pores is achieved in a matrix, the moisture absorption and quick drying effects are improved, the moisture absorption efficiency is improved by matching the graphene and the polypropylene fiber, in addition, the talc has a sheet structure by introducing talcum powder into the conductive layer, and the porosity is increased after the graphene is modified by iron chloride and other solutions, so that the breathability is improved.

Description

Graphene multifunctional insole and preparation method thereof
Technical Field
The invention relates to the technical field of insoles, in particular to a graphene multifunctional insole and a preparation method thereof.
Background
The insole is widely applied to shoe making industry, health care and special functions; generally divided into two modes of application type shoe pad in shoe factory and market commodity. The insole applied in the shoe making industry is mainly matched with a shoe outsole and a shoe midsole to make a corresponding shape; and manufacturing a size plate according to the bottom plate or the panel of the last, and manufacturing a corresponding shape. The market commodity type insole is a product which is designed by developers and circulated in the market and is mainly sold as a commodity. 1. A health-care insole is an insole which has health benefits to human bodies. Such as antibacterial insole, deodorant insole, traditional Chinese medicine insole, etc. 2. The functional insole is a shoe insole with special functions. Such as antistatic insole, heightening insole, waterproof insole, air circulation insole, etc. 3. Conventional shoe-pads; it is not the insole with the above 2 points, which is very common.
The existing insoles have poor air permeability and general moisture absorption and quick drying performance, and the prior art can not coordinate and improve the insoles, so that the performance of the product is reduced;
chinese patent document CN113519981A discloses a shoe pad with built-in ventilation, buffering and massage functions, which comprises a shoe pad body, wherein a plurality of ventilation holes are formed in a region of the bottom of the shoe pad body, which is positioned at the front sole of a foot, a buffering cavity is formed inside the shoe pad body, supporting columns are fixedly arranged on the upper inner wall and the lower inner wall of the buffering cavity, and a cavity is formed in each of the two supporting columns;
chinese patent document CN113637316A discloses an agilawood antibacterial deodorizing insole, which comprises the following raw materials: polyether polyol composition: 40-50 parts by weight; monofluorodichloroethane: 5-12 parts by weight; rubber powder: 1-3 parts by weight; isocyanate: 20-40 parts by weight; the shoe pad disclosed in the document adopts a formula with poor air permeability, and further improvement is needed based on the poor air permeability.
Chinese patent document CN113576108A discloses a composite elastic sports shoe insole, which comprises a lower pad, an air bag fixedly connected to the upper end of the lower pad, a protective shell fixedly connected to the outer surface of the lower pad, and an upper pad fixedly connected to the upper end of the inner wall of the protective shell.
Disclosure of Invention
The invention aims to provide a graphene multifunctional insole and a preparation method thereof, which aim to solve the problems in the background technology;
in order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a graphene multifunctional insole which comprises an insole body, wherein the insole body comprises a base insole body, a conducting layer and a ventilating layer; air holes are arranged on the air permeable layer;
the base pad body, the conducting layer and the breathable layer are integrally hot-melted and adhered; a heat conduction reinforcing block is embedded on the graphene conduction layer;
the multifunctional graphene insole is prepared from a base insole body, a conducting layer and a breathable layer, wherein a graphene improver is introduced into a body to be foamed in the preparation of the base insole body, the graphene improver is formed by dispersing graphene through a surfactant and introducing polypropylene fibers, so that capillary pores are guided in a base body, the moisture absorption and quick drying effects are improved, the moisture absorption efficiency is improved by matching the graphene with the polypropylene fibers, in addition, talcum powder is introduced into the re-conducting layer, the talcum powder has a sheet structure, and the porosity is increased after the talcum powder is modified by solutions such as ferric chloride and the like, so that the breathability is improved.
The preparation method of the base pad body comprises the following steps:
step one, mixing polyether polyol, polymer polyol and diethanol amine according to the weight ratio of 3:2:1, then adding a graphene improver accounting for 1-5% of the total weight of the polyether polyol, and stirring at the rotating speed of 100-500r/min for 10-20min to obtain a body to be foamed;
step two: foaming and stirring 45-55 parts of a body to be foamed, 1-5 parts of foaming agent water and 1-2 parts of tertiary amine catalyst at 65-75 ℃ for 10-20min, wherein the stirring speed is 100-300r/min, and the stirring is finished;
step three: and then, the raw materials in the second step are sent into a mould to be subjected to hot pressing pouring molding, the material temperature is 30-40 ℃, the injection mould temperature is 40-50 ℃, the reaction is carried out for 1-5min, and then the mould is removed, so that the base cushion body 11 is obtained.
Preferably, the preparation method of the graphene improver comprises the following steps: feeding graphene into deionized water which is 3-4 times of the graphene weight, adding a sodium dodecyl sulfate solution with the mass fraction of 1-5% of the total amount of the graphene, stirring at the rotating speed of 100-200r/min for 20-30min, then adding polypropylene fiber with the mass fraction of 10-20% of the total amount of the graphene, then adding a rare earth lanthanum chloride solution with the mass fraction of 10-20% of the total amount of the graphene, then carrying out current treatment, wherein the current flow is 1-5A, the current is 10-20min, and after the current is finished, washing and drying to obtain the graphene improver.
Preferably, the current flow is 2-6A, and the current is 10-20 min.
Preferably, the current flow is 4A and the current is 15 min.
Preferably, the conductive layer is prepared by the following steps: delivering the talcum powder to 100-300 ℃ for calcining for 10-20min, then delivering the talcum powder to water for cold quenching treatment, then heating to 55-65 ℃, stirring for 10-20min in 10 mass percent ferric chloride solution at the stirring speed of 300r/min, adding hydrochloric acid to adjust the pH value to 4.0-5.0 after the stirring is finished, then adopting plasma bombardment treatment, and then washing and drying to obtain the conducting layer.
Preferably, the detonation power is 100-.
Preferably, the preparation method of the heat conduction reinforcing block comprises the steps of feeding the carbon nanotubes into a grinding machine for grinding, passing through a 100-300-mesh sieve, finishing grinding, and then feeding into a forging press for molding, wherein the thickness of the molded heat conduction reinforcing block is 1-3mm, and the width of the molded heat conduction reinforcing block is 1-2 mm.
Preferably, the molding calcination temperature in the calcination press is 500-700 ℃, the calcination pressure is 2-8MPa, and the calcination time is 10-20 min.
Preferably, the air-permeable layer and the base pad body are made of the same material and have the same structure.
A preparation method of a graphene multifunctional insole comprises the following steps:
and integrally performing hot melting and attaching on the base cushion body, the conducting layer and the air permeable layer from bottom to top to obtain the graphene microfiber leather, wherein the hot melting and attaching temperature is 105-.
The beneficial effects of the invention are as follows:
1. the graphene multifunctional insole is prepared from a base insole body, a conducting layer and a ventilating layer, wherein a graphene improver is introduced into a body to be foamed in the preparation of the base insole body, the graphene improver is prepared by dispersing graphene through a surfactant and introducing polypropylene fibers, so that the guiding effect of capillary pores is achieved in a matrix, the moisture absorption and quick drying effects are improved, the moisture absorption efficiency is improved by matching the graphene and the polypropylene fibers, in addition, the talc has a flaky structure by introducing talcum powder into the conducting layer, and the porosity is increased after the graphene is modified by solutions such as ferric chloride and the like, so that the ventilating performance is improved.
2. The air holes arranged in the air permeable layer can enhance the air permeability, and simultaneously, the base pad body material is matched to play a role in wet and heat conduction, so that the air permeable and quick-drying efficiency is improved, and the conduction efficiency is improved by matching with the conduction layer.
3. The heat conduction reinforcing block is prepared from carbon nano tubes, the specific surface of each carbon nano tube is high, and the carbon nano tubes are matched with the talcum powder in the conduction layer, so that the conduction efficiency is improved, moisture and heat are guided into the base cushion body, and the quick moisture absorption and quick drying are realized through the structural function of the base cushion body.
4. In the process of moisture conduction, the moisture is accelerated to be dried by the gas penetrating through the breathable layer, and meanwhile, the moisture absorption and quick drying performance is obviously enhanced by matching with the conduction effects of the conduction layer and the base cushion body.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the layered structure of the insole body of the present invention;
fig. 3 is a structural view of the heat-conducting reinforcing block of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 3, the graphene multifunctional insole of the present embodiment includes an insole body 1, which includes a base pad body 11, a conductive layer 12, and a ventilation layer 13; the air permeable layer 13 is provided with air holes 14;
the base pad body 11, the conducting layer 12 and the ventilation layer 13 are integrally hot-melted and adhered; a heat conduction reinforcing block 15 is embedded on the graphene conducting layer 12;
the preparation method of the base pad body 11 comprises the following steps:
step one, mixing polyether polyol, polymer polyol and diethanol amine according to the weight ratio of 3:2:1, then adding a graphene improver accounting for 1-5% of the total weight of the polyether polyol, and stirring at the rotating speed of 100-500r/min for 10-20min to obtain a body to be foamed;
step two: foaming and stirring 45-55 parts of a body to be foamed, 1-5 parts of foaming agent water and 1-2 parts of tertiary amine catalyst at 65-75 ℃ for 10-20min, wherein the stirring speed is 100-300r/min, and the stirring is finished;
step three: and then, the raw materials in the second step are sent into a mould to be subjected to hot pressing pouring molding, the material temperature is 30-40 ℃, the injection mould temperature is 40-50 ℃, the reaction is carried out for 1-5min, and then the mould is removed, so that the base cushion body 11 is obtained.
The preparation method of the graphene improver comprises the following steps: sending graphene into deionized water of 3-4 times, adding a sodium dodecyl sulfate solution of which the mass fraction is 1-5% of the total amount of the graphene, stirring at the rotating speed of 100-200r/min for 20-30min, then adding polypropylene fibers of which the mass fraction is 10-20% of the total amount of the graphene, then adding a rare earth lanthanum chloride solution of which the mass fraction is 10-20% of the total amount of the graphene is 5-10%, then carrying out current treatment, wherein the current flow is 1-5A, the current is 10-20min, and after the current is finished, washing and drying to obtain the graphene improver.
The current flow of the embodiment is 2-6A, and the current is 10-20 min.
The current flow rate in this example was 4A, and the current was 15 min.
The conductive layer 12 of the present embodiment is prepared by: delivering the talcum powder to 100-300 ℃ for calcining for 10-20min, then delivering the talcum powder to water for cold quenching treatment, after the treatment is finished, heating the talcum powder to 55-65 ℃, stirring the talcum powder in 10 mass percent ferric chloride solution for 10-20min at the stirring speed of 300r/min, after the stirring is finished, adding hydrochloric acid to adjust the pH value to 4.0-5.0, then adopting plasma bombardment treatment, after the treatment is finished, washing and drying the talcum powder to obtain the conducting layer.
The bombing power of the embodiment is 100-800W, and the bombing time is 10-20 min.
The preparation method of the heat-conducting reinforcing block 15 of the embodiment is that the carbon nanotube is sent to a grinding machine to be ground, passes through a 100-300-mesh sieve, is finished to be ground, and then is sent to a forging press to be molded, wherein the thickness of the molded heat-conducting reinforcing block is 1-3mm, and the width of the molded heat-conducting reinforcing block is 1-2 mm.
The calcination temperature of the molding in the calcination press of the embodiment is 500-700 ℃, the calcination pressure is 2-8MPa, and the calcination time is 10-20 min.
The air-permeable layer 13 of the present embodiment is made of the same material and structure as the cushion body 11.
A preparation method of a graphene multifunctional insole comprises the following steps:
and (3) integrally performing hot melting and attaching on the base cushion body 11, the conducting layer 12 and the air permeable layer 13 from bottom to top to obtain the graphene microfiber leather, wherein the hot melting and attaching temperature is 105-minus 115 ℃, the attaching pressure is 1-3MPa, after attaching is finished, the graphene microfiber leather is placed in an ultraviolet box to be irradiated for 1-5min, the ultraviolet power is 100-minus 300W, and after irradiation, the graphene multifunctional insole is obtained.
Example 1:
the multifunctional graphene insole comprises an insole body 1, wherein the insole body comprises a base insole body 11, a conducting layer 12 and a ventilating layer 13; the air permeable layer 13 is provided with air holes 14;
the base pad body 11, the conducting layer 12 and the ventilation layer 13 are integrally hot-melted and adhered; a heat conduction reinforcing block 15 is embedded on the graphene conducting layer 12;
the preparation method of the base pad body 11 comprises the following steps:
mixing polyether polyol, polymer polyol and diethanol amine according to the weight ratio of 3:2:1, then adding a graphene improver accounting for 1% of the total weight of the polyether polyol, and stirring at the rotating speed of 100r/min for 10min to obtain a body to be foamed;
step two: foaming and stirring 45 parts of a to-be-foamed body, 1 part of foaming agent water and 1 part of tertiary amine catalyst at 65 ℃ for 10min, wherein the stirring speed is 100r/min, and the stirring is finished;
step three: and then, feeding the raw materials in the step two into a mold for hot-pressing pouring molding, wherein the material temperature is 30 ℃, the injection mold temperature is 40 ℃, reacting for 1min, and then demolding to obtain the base cushion body 11.
The preparation method of the graphene improver comprises the following steps: sending graphene into deionized water of 3 times, adding a sodium dodecyl sulfate solution with the mass fraction of 1% of the total amount of the graphene, stirring at a rotating speed of 100r/min for 20min, then adding polypropylene fibers with the mass fraction of 10-20% of the total amount of the graphene, then adding a rare earth lanthanum chloride solution with the mass fraction of 10% of the total amount of the graphene of 5%, then carrying out current treatment, wherein the current flow is 1A, the current flow is 10min, and the current is finished, washing and drying to obtain the graphene improver.
The current flow rate in this example was 2A, and the current was 10 min.
The conductive layer 12 of the present embodiment is prepared by: and (2) calcining the talcum powder at 100 ℃ for 10min, then sending the talcum powder into water for cold quenching treatment, heating the talcum powder to 55 ℃, stirring the talcum powder in a ferric chloride solution with the mass fraction of 10% for 10min at the stirring speed of 100r/min, adding hydrochloric acid to adjust the pH value to 4.0 after the stirring is finished, then carrying out plasma bombing treatment, finishing the treatment, washing the treated talcum powder with water, and drying the treated talcum powder to obtain the conducting layer.
The bombing power of the present embodiment is 100W, and the bombing time is 10 min.
The preparation method of the heat conduction reinforcing block 15 of the embodiment is that the carbon nano tube is sent into a grinding machine to be ground, passes through a 100-mesh sieve, is ground, and then is sent into a forging press to be molded, and the molded heat conduction reinforcing block has the thickness of 1mm and the width of 1 mm.
The calcination temperature of the molding in the calcination press of this example was 500 ℃, the calcination pressure was 2MPa, and the calcination time was 10 in.
The air-permeable layer 13 of the present embodiment is made of the same material and structure as the cushion body 11.
A preparation method of a graphene multifunctional insole comprises the following steps:
and (3) integrally hot-melting and laminating the base cushion body 11, the conducting layer 12 and the breathable layer 13 from bottom to top to obtain the graphene microfiber leather, wherein the hot-melting laminating temperature is 105 ℃, the laminating pressure is 1MPa, after laminating, the graphene microfiber leather is placed in an ultraviolet box to be irradiated for 1min, the ultraviolet power is 100W, and after irradiation, the graphene multifunctional insole is obtained.
Example 2:
the graphene multifunctional insole comprises an insole body 1, wherein the insole body comprises a base insole body 11, a conducting layer 12 and a ventilating layer 13; the air permeable layer 13 is provided with air holes 14;
the base pad body 11, the conducting layer 12 and the ventilation layer 13 are integrally hot-melted and adhered; a heat conduction reinforcing block 15 is embedded on the graphene conducting layer 12;
the preparation method of the base pad body 11 comprises the following steps:
mixing polyether polyol, polymer polyol and diethanol amine according to the weight ratio of 3:2:1, then adding a graphene improver accounting for 5% of the total weight of the polyether polyol, and stirring at the rotating speed of 500r/min for 20min to obtain a body to be foamed;
step two: foaming and stirring 45 parts of a to-be-foamed body, 5 parts of foaming agent water and 2 parts of tertiary amine catalyst at 75 ℃ for 20min, wherein the stirring speed is 300r/min, and the stirring is finished;
step three: and then, feeding the raw materials in the step two into a mold for hot-pressing pouring molding, wherein the material temperature is 40 ℃, the injection mold temperature is 50 ℃, the reaction time is 5min, and then demolding to obtain the base pad body 11.
The preparation method of the graphene improver comprises the following steps: sending graphene into 4 times of deionized water, adding a sodium dodecyl sulfate solution with the mass fraction of 5% of the total amount of the graphene, stirring at a rotating speed of 200r/min for 30min, then adding polypropylene fibers with the mass fraction of 20% of the total amount of the graphene, then adding a rare earth lanthanum chloride solution with the mass fraction of 120% of the total amount of the graphene of 10%, then carrying out current treatment, wherein the current flow is 5A, the current flow is 20min, and the current is finished, washing and drying to obtain the graphene improver.
The current flow rate in this example was 6A, and the current was 20 min.
The conductive layer 12 of the present embodiment is prepared by: and (2) feeding the talcum powder to 300 ℃ for calcining for 20min, then feeding the talcum powder to water for cold quenching treatment, heating the talcum powder to 65 ℃, stirring the talcum powder in a ferric chloride solution with the mass fraction of 10% for 20min at the stirring speed of 300r/min, adding hydrochloric acid to adjust the pH value to 5.0 after the stirring is finished, then carrying out plasma bombing treatment, finishing the treatment, washing with water, and drying to obtain the conducting layer.
The bombing power of the embodiment is 800W, and the bombing time is 20 min.
The preparation method of the heat conduction reinforcing block 15 of the embodiment is that the carbon nano tube is sent into a grinding machine to be ground, passes through 300 meshes, is ground, and then is sent into a forging press to be molded, and the thickness of the molded heat conduction reinforcing block is 3mm, and the width of the molded heat conduction reinforcing block is 2 mm.
The calcination temperature in the calcination press of this example was 700 ℃, the calcination pressure was 8MPa, and the calcination time was 20 min.
The air-permeable layer 13 of the present embodiment is made of the same material and structure as the cushion body 11.
A preparation method of a graphene multifunctional insole comprises the following steps:
and (3) integrally hot-melting and laminating the base cushion body 11, the conducting layer 12 and the breathable layer 13 from bottom to top to obtain the graphene microfiber leather, wherein the hot-melting laminating temperature is 115 ℃, the laminating pressure is 3MPa, after laminating, the graphene microfiber leather is placed in an ultraviolet box to be irradiated for 5min, the ultraviolet power is 300W, and after irradiation, the graphene multifunctional insole is obtained.
Example 3:
the graphene multifunctional insole comprises an insole body 1, wherein the insole body comprises a base insole body 11, a conducting layer 12 and a ventilating layer 13; the air permeable layer 13 is provided with air holes 14;
the base pad body 11, the conducting layer 12 and the ventilation layer 13 are integrally hot-melted and adhered; a heat conduction reinforcing block 15 is embedded on the graphene conducting layer 12;
the preparation method of the base pad body 11 comprises the following steps:
mixing polyether polyol, polymer polyol and diethanol amine according to a weight ratio of 3:2:1, then adding a graphene improver accounting for 3% of the total weight of the polyether polyol, and stirring at a rotating speed of 300r/min for 15min to obtain a body to be foamed;
step two: foaming and stirring 50 parts of a to-be-foamed body, 3 parts of foaming agent water and 1.5 parts of tertiary amine catalyst at 70 ℃ for 15min, wherein the stirring speed is 200r/min, and the stirring is finished;
step three: and then, feeding the raw materials in the step two into a mold for hot-pressing pouring molding, wherein the material temperature is 35 ℃, the injection mold temperature is 45 ℃, reacting for 3min, and then demolding to obtain the base pad body 11.
The preparation method of the graphene improver comprises the following steps: sending graphene into deionized water of which the mass fraction is 3.5 times that of the graphene, adding a sodium dodecyl sulfate solution of which the mass fraction is 3% of the total amount of the graphene, stirring at a rotating speed of 150r/min for 25min, then adding polypropylene fibers of which the mass fraction is 15% of the total amount of the graphene, then adding a rare earth lanthanum chloride solution of which the mass fraction is 15% of the total amount of the graphene is 7.5%, then carrying out current treatment, wherein the current flow is 3A, the current is 15min, and after the current is finished, washing and drying to obtain the graphene improver.
The current flow rate in this example was 4A, and the current was 15 min.
The conductive layer 12 of the present embodiment is prepared by: and (2) calcining the talcum powder at 150 ℃ for 15min, then sending the talcum powder into water for cold quenching treatment, heating to 55-65 ℃, stirring in a ferric chloride solution with the mass fraction of 10% for 15min at the stirring speed of 200r/min, adjusting the pH to 4.5 by adding hydrochloric acid after stirring, then carrying out plasma bombardment treatment, finishing treatment, then washing with water, and drying to obtain the conducting layer.
The bombing power of the embodiment is 450W, and the bombing time is 15 min.
The preparation method of the heat conduction reinforcing block 15 of the embodiment is that the carbon nano tube is sent into a grinding machine to be ground, passes through a 200-mesh sieve, is ground, and then is sent into a forging press to be molded, and the molded heat conduction reinforcing block has the thickness of 1-3mm and the width of 1.5 mm.
The calcination temperature in the calcination press of this example was 600 ℃, the calcination pressure was 5MPa, and the calcination time was 15 min.
The air-permeable layer 13 of the present embodiment is made of the same material and structure as the cushion body 11.
A preparation method of a graphene multifunctional insole comprises the following steps:
and (3) integrally hot-melting and laminating the base cushion body 11, the conducting layer 12 and the breathable layer 13 from bottom to top to obtain the graphene microfiber leather, wherein the hot-melting laminating temperature is 110 ℃, the laminating pressure is 2MPa, after laminating, the graphene microfiber leather is placed in an ultraviolet box to be irradiated for 3min, the ultraviolet power is 200W, and after irradiation, the graphene multifunctional insole is obtained.
Testing the antibacterial performance of the products in the examples 1-3 by using a GB/T20944.3-2008 test method; GB/T30127-2013 tests far infrared emissivity; GB/T35263-2017 test contact cool feeling coefficient
Figure BDA0003386489960000111
Comparative example 1.
The materials and preparation process were substantially the same as those of example 3, except that no graphene modifier was added.
Comparative example 2.
The materials and preparation process were substantially the same as those of example 3, except that no thermal conductive reinforcing block was added.
Experimental example 1: determination of moisture absorption and quick drying Properties
Measuring moisture absorption and quick drying performance according to GB/T21655.1-2008 international standard (moisture absorption experiment is carried out at 30 deg.C and relative humidity of 100%, moisture desorption experiment is carried out at 25 deg.C and relative humidity of 20%, and the test is weighed every 30min until moisture absorption and moisture desorption are balanced)
Moisture absorption Rate (%) Rate of moisture release (%)
Example 1 1.2 2.1
Example 2 1.3 2.2
Example 3 1.4 2.4
Comparative example 1 0.7 0.9
Comparative example 2 0.6 0.8
As can be seen from examples 1-3 and comparative examples 1-2, the product of the present invention has excellent moisture absorption and quick drying properties.
Experimental example 2: determination of air permeability of shoe pad
According to the experimental performance measurement of the air permeability of GB/T5453-1997 insoles
Air permeability of insole
Air permeability (cm) 3 /cm 2 .s)
Example 1 0.38
Example 2 0.38
Example 3 0.39
Comparative example 1 0.31
Comparative example 2 0.33
The shoe insoles of examples 1 to 3 had excellent air permeability, and the amount of air permeability was deteriorated without adding a graphene improver.
Experimental example 3: determination of antibacterial property of insole
The bactericidal performance of the products of examples 1-3 and comparative examples 1-2 was tested;
Figure BDA0003386489960000121
Figure BDA0003386489960000131
as can be seen from examples 1-3 and comparative examples 1-2, the products have excellent antibacterial properties.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The graphene multifunctional insole is characterized by comprising an insole body (1), wherein the insole body comprises a base insole body (11), a conducting layer (12) and a breathable layer (13); air holes (14) are arranged on the air permeable layer (13);
the base pad body (11), the conducting layer (12) and the ventilation layer (13) are integrally hot-melted and adhered to form the base pad body; a heat conduction reinforcing block (15) is embedded on the graphene conducting layer (12);
the preparation method of the base pad body (11) comprises the following steps:
mixing polyether polyol, polymer polyol and diethanol amine according to the weight ratio of 3:2:1, then adding a graphene improver accounting for 1-5% of the total weight of the polyether polyol, and stirring at the rotating speed of 100-500r/min for 10-20min to obtain a body to be foamed;
step two: foaming and stirring 45-55 parts of a body to be foamed, 1-5 parts of foaming agent water and 1-2 parts of tertiary amine catalyst at 65-75 ℃ for 10-20min, wherein the stirring speed is 100-300r/min, and the stirring is finished;
step three: and then, the raw materials in the step two are sent into a mould to be subjected to hot-pressing pouring molding, the material temperature is 30-40 ℃, the injection mould temperature is 40-50 ℃, the reaction is carried out for 1-5min, and then the mould is removed, so that the base pad body (11) is obtained.
2. The multifunctional graphene shoe pad of claim 1, wherein the preparation method of the graphene improver comprises the following steps: sending graphene into deionized water of 3-4 times, adding a sodium dodecyl sulfate solution of which the mass fraction is 1-5% of the total amount of the graphene, stirring at the rotating speed of 100-200r/min for 20-30min, then adding polypropylene fibers of which the mass fraction is 10-20% of the total amount of the graphene, then adding a rare earth lanthanum chloride solution of which the mass fraction is 10-20% of the total amount of the graphene is 5-10%, then carrying out current treatment, wherein the current flow is 1-5A, the current is 10-20min, and after the current is finished, washing and drying to obtain the graphene improver.
3. The multifunctional graphene insole according to claim 2, wherein the current flow is 2-6A, and the current is 10-20 min.
4. The multifunctional graphene insole according to claim 3, wherein the current flow is 4A and the current is 15 min.
5. The graphene multifunctional insole according to claim 1, wherein the conductive layer (12) is prepared by the following steps: delivering the talcum powder to 100-300 ℃ for calcining for 10-20min, then delivering the talcum powder to water for cold quenching treatment, after the treatment is finished, heating the talcum powder to 55-65 ℃, stirring the talcum powder in 10 mass percent ferric chloride solution for 10-20min at the stirring speed of 300r/min, after the stirring is finished, adding hydrochloric acid to adjust the pH value to 4.0-5.0, then adopting plasma bombardment treatment, after the treatment is finished, washing and drying the talcum powder to obtain the conducting layer.
6. The multifunctional graphene insole as claimed in claim 5, wherein the bombing power is 100-800W, and the bombing time is 10-20 min.
7. The multifunctional graphene insole as claimed in claim 1, wherein the heat-conducting reinforcing block (15) is prepared by grinding carbon nanotubes in a grinder through a 300-mesh screen of 100 meshes, and then molding the carbon nanotubes in a forging press, wherein the thickness of the molded heat-conducting reinforcing block is 1-3mm, and the width of the molded heat-conducting reinforcing block is 1-2 mm.
8. The multifunctional graphene insole as claimed in claim 7, wherein the calcination temperature of the molding in the calcination press is 500-700 ℃, the calcination pressure is 2-8MPa, and the calcination time is 10-20 min.
9. The graphene multifunctional insole according to claim 1, wherein the air-permeable layer (13) and the base pad body (11) are made of the same material and have the same structure.
10. A method for preparing a graphene multifunctional insole as claimed in any one of claims 1 to 9, comprising the steps of:
and integrally thermally fusing and attaching the base cushion body (11), the conducting layer (12) and the air permeable layer (13) from bottom to top to obtain the graphene microfiber leather, wherein the thermal fusion attaching temperature is 105-115 ℃, the attaching pressure is 1-3MPa, after attaching is finished, the graphene microfiber leather is placed in an ultraviolet box to be irradiated for 1-5min, the ultraviolet power is 100-300W, and after irradiation is finished, the graphene multifunctional insole is obtained.
CN202111452025.1A 2021-12-01 2021-12-01 Graphene multifunctional insole and preparation method thereof Pending CN114788599A (en)

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