CN110250646B - Mine sweeping protective boot - Google Patents
Mine sweeping protective boot Download PDFInfo
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- CN110250646B CN110250646B CN201910531005.XA CN201910531005A CN110250646B CN 110250646 B CN110250646 B CN 110250646B CN 201910531005 A CN201910531005 A CN 201910531005A CN 110250646 B CN110250646 B CN 110250646B
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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
- A43B13/026—Composites, e.g. carbon fibre or aramid fibre; the sole, one or more sole layers or sole part being made of a composite
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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
- A43B13/12—Soles with several layers of different materials
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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
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/22—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0205—Uppers; Boot legs characterised by the material
- A43B23/0235—Different layers of different material
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/08—Heel stiffeners; Toe stiffeners
- A43B23/081—Toe stiffeners
- A43B23/086—Toe stiffeners made of impregnated fabrics, plastics or the like
- A43B23/087—Toe stiffeners made of impregnated fabrics, plastics or the like made of plastics
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/0026—Footwear characterised by the shape or the use for use in minefields; protecting from landmine blast; preventing landmines from being triggered
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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
- C08L15/00—Compositions of rubber derivatives
- C08L15/005—Hydrogenated nitrile rubber
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention provides a mine-sweeping protective boot which comprises a boot sole and a boot vamp, wherein the boot sole sequentially comprises an anti-skid wear-resistant bottom layer, a high-impact-resistant protective middle layer and an elastic buffer inner layer arranged below an insole from bottom to top; the high-impact-resistance protection middle layer is formed by compounding a three-dimensional porous fiber material and resin, and the resin is filled in three-dimensional through holes of the three-dimensional porous fiber material to form a network interwoven composite compact structure; the boot vamp comprises an inner liner layer, a boot vamp layer and a non-woven fabric laminated layer arranged between the inner liner layer and the boot vamp layer; the inner liner is made by the memory sponge, boots surface course is made by waterproof fire-retardant cow hide, the non-woven fabrics stromatolite is pressed by 4 ~ 6 fibrous layers and 2 layers of thermoplastic film heat. The protective boot disclosed by the invention has the advantages that the special materials are adopted and the unique structure is combined, so that the effects in the aspects of impact resistance and puncture resistance are greatly optimized, the blocking and weakening of shock waves and fragments generated by explosion in the mine sweeping process are facilitated, and a good protective effect is achieved.
Description
Technical Field
The invention relates to a protective boot, in particular to a mine sweeping protective boot.
Background
The traditional lightning protection shoes mainly adopt laminated composite materials such as steel plates, plastic steel, glass fibers or aramid fibers as vamp or sole materials, but the traditional lightning protection shoes are heavy in weight, so that the burden of wearing personnel can be increased, the comfort level is poor, and the inconvenience is brought to the personnel who wear the shoes for a long time.
Therefore, in order to solve the above problems of the conventional lightning protection boots and to achieve an excellent protection effect, a lightning protection boot which is comfortable to wear and has an excellent protection effect needs to be designed.
Disclosure of Invention
In view of the above, the invention provides a mine sweeping protective boot which is comfortable to wear and has an excellent protective effect.
The mine sweeping protective boot comprises a boot sole and a boot vamp, wherein the boot sole sequentially comprises an anti-skid wear-resistant bottom layer, a high-impact-resistant protective middle layer and an elastic buffer inner layer arranged below an insole from bottom to top;
the high-impact-resistance protection middle layer is formed by compounding a three-dimensional porous fiber material and resin, and the resin is filled in three-dimensional through holes of the three-dimensional porous fiber material to form a network interwoven composite compact structure.
Furthermore, the holes of the three-dimensional porous fiber material are uniformly distributed, the communication porosity is 85-99%, and the pore diameter is 0.1-1 mm.
Further, the three-dimensional porous fiber material is made of one or more of basalt fibers, aramid fibers, ultra-high molecular weight polyethylene fibers, carbon fibers, polycarbonate fibers and glass fibers;
the three-dimensional porous fiber material can be prepared by adopting the existing method, such as a three-dimensional weaving technology, a foaming forming technology, a 3D printing technology, a preparation method of bonding the randomly stacked chopped fibers and the adhesive on the fiber cross nodes, and the like, so as to form a stable three-dimensional network structure, and the details are not repeated herein.
Further, the resin is one or a mixture of two of bisphenol A type epoxy vinyl resin and epoxy resin.
Further, the thickness of the high impact protection middle layer is 12-15 mm.
Further, the anti-skid wear-resistant bottom layer comprises the following raw materials in parts by weight: 65-70 parts of hydrogenated nitrile rubber, 15-20 parts of butadiene rubber, 10-20 parts of No. 3 smoked sheet rubber, 15-20 parts of ABS resin, 5-10 parts of chlorosulfonated polyethylene, 35-40 parts of talcum powder, 10-15 parts of kaolin, 1.5-2 parts of chlorinated paraffin, 0.5-1 part of stearic acid, 1.5-2 parts of sulfur, 3.5-4 parts of active zinc oxide, 0.2-0.4 part of peptizer, 1-1.5 parts of accelerator DM, 4051-1.5 parts of anti-aging agent, 1-1.5 parts of antioxidant PS 8001, 1.5-2 parts of calcium aluminum phosphite and 5-7 parts of epoxy soybean oil.
Further, the vamp comprises an inner liner, a vamp layer and a non-woven fabric laminated layer arranged between the inner liner and the vamp layer;
the inner liner layer is made of memory sponge, the boot surface layer is made of waterproof flame-retardant cow leather, and the non-woven fabric laminated layer is formed by hot pressing of 4-6 fiber layers and 2 thermoplastic films;
the fiber layer is made of aramid fibers or ultra-high molecular weight polyethylene fibers, the thermoplastic film can be a polyethylene film, a polyvinyl chloride film, an EVA hot melt adhesive film and the like, and the fiber layer is adhered by melting under the heating condition, so that the fiber layer can play a synergistic effect in impact resistance.
Further, the thickness of the anti-skid wear-resistant bottom layer is 8-10 mm, and the thickness of the elastic buffer inner layer is 6-8 mm; the elastic buffer inner layer is made of EVA or EPP.
Further, a toe cap for protecting toes is arranged at the toe of the protective boot; the protective bag head is formed by compounding glass fibers and resin.
The invention has the beneficial effects that:
the mine sweeping protective boot disclosed by the invention has the advantages that the special materials are combined with the unique structure, so that the effects of the mine sweeping protective boot in the aspects of impact resistance and puncture resistance are greatly optimized, the shock waves and fragments generated by explosion can be blocked and weakened in the mine sweeping process, and a good protective effect is achieved. The boot sole adopts three-dimensional porous fiber material composite resin with a three-dimensional network structure to prepare a high-impact-resistant protective middle layer with a network interweaving composite compact structure, so that the resin can be uniformly dispersed into three-dimensional through holes of the three-dimensional porous fiber material, fully combined with porous fiber materials to form surrounding locking, realizes mutual restraint and mutual reinforcement between the materials, achieves good reinforcement effect, improves the interface bonding strength and the overall strength, is beneficial to improving the strength of the porous fiber materials, the impact stress is effectively transmitted to the fiber through the resin, the absorption of the fiber material to the impact energy is fully exerted, and the fiber material has stronger energy absorption capacity, thereby greatly optimizing the shock resistance of the boot sole, simultaneously, fibers in the three-dimensional porous fiber material are mutually entangled, the displacement resistance and the shearing resistance of the boot sole are greatly improved, and the puncture-proof effect of the boot sole is improved; the high-impact-resistance protection middle layer with the structure is combined with the specially-made elastic buffering inner layer and the anti-skid wear-resistant bottom layer, so that the excellent performances of the elastic buffering inner layer and the anti-skid wear-resistant bottom layer can be respectively exerted, the wearing comfort of the boot and the anti-skid wear resistance of the boot bottom are improved, the high-impact-resistance protection middle layer can be further assisted, and the overall impact resistance of the boot bottom is improved. Meanwhile, the boot vamp is formed by compounding an inner liner layer, a boot vamp layer and a non-woven fabric laminated layer arranged between the inner liner layer and the boot vamp layer, and the boot vamp can also play an excellent impact-resistant and puncture-resistant effect when being used by combining a glass fiber reinforced plastic protective toe cap, so that a good protective effect is achieved.
In addition, the specially designed formula is adopted to prepare the specially-made anti-skid wear-resistant bottom layer, so that the bottom layer not only has excellent mechanical properties, heat resistance, anti-skid properties, wear resistance, weather resistance, aging resistance and the like, but also has excellent impact resistance, can assist the high-impact-resistance protection middle layer, and improves the overall impact resistance of the boot sole. The formula for preparing the anti-skid wear-resistant bottom layer provided by the invention has reasonable component proportion, can fully exert the mutual synergistic effect of the components and fully exert the excellent performance of the components; after the hydrogenated nitrile rubber, the butadiene rubber, the No. 3 smoked sheet rubber, the ABS resin and the chlorosulfonated polyethylene with specific dosages are compounded and cooperated, the mechanical property, the heat resistance, the skid resistance, the wear resistance, the weather resistance, the aging resistance and the like of a bottom layer can be greatly optimized, the talcum powder and the kaolin can be mutually matched to play a role after being added, the mechanical property of the bottom layer can be improved, the stability of the bottom layer can be increased, the processing property of the rubber can be improved to a certain degree, the active zinc oxide is added, on one hand, the talcum powder and the kaolin can be cooperated to improve the mechanical property of the bottom layer, on the other hand, the stearic acid and the accelerator DM (2, 2' -dithiodibenzothiazyl) can be cooperated to assist the sulfur to play a role to promote the vulcanization of the rubber, meanwhile, the active zinc oxide also has good ultraviolet shielding property, and can cooperate with the anti-aging agent 405, the anti-aging agent, Antioxidant PS800 further improves the aging resistance of the bottom layer, chlorinated paraffin, peptizer, calcium aluminum phosphite and epoxidized soybean oil can be mutually matched after being added, the plasticity of rubber is greatly improved, the processability of rubber is improved, the calcium aluminum phosphite and the epoxidized soybean oil can be mutually matched, and the stability of the rubber is further improved.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of a protective boot of the present invention;
in the figure: 11. the boot comprises an elastic buffer inner layer, a high-impact-resistant protection middle layer, a non-slip wear-resistant bottom layer, an inner liner layer, an inner layer 22, a non-woven fabric laminated layer 23, a boot surface layer, and a protection toe cap, wherein the elastic buffer inner layer is 12;
fig. 2 is a schematic structural diagram of a three-dimensional porous fibrous material.
Detailed Description
Example one
The mine-sweeping protective boot provided by the embodiment comprises a boot sole and a boot vamp, wherein the boot sole sequentially comprises an anti-skid wear-resistant bottom layer 13, a high-impact-resistant protective middle layer 12 and an elastic buffer inner layer 11 arranged below an insole from bottom to top;
the high-impact-resistance protection middle layer 12 is formed by compounding a three-dimensional porous fiber material and bisphenol A type epoxy vinyl resin, and the resin is filled in three-dimensional through holes of the three-dimensional porous fiber material to form a network interwoven composite compact structure; the preparation method comprises the following steps: laying the three-dimensional porous fiber material in a mold, and filling flowing resin on the three-dimensional porous fiber material to enable the resin to be densely filled in the three-dimensional through holes of the three-dimensional porous fiber material to form a network interwoven composite compact structure.
In the embodiment, the holes of the three-dimensional porous fiber material are uniformly distributed, the communication porosity is 85-99%, and the pore diameter is 0.1-1 mm; the three-dimensional porous fiber material is prepared by mixing aramid fiber and ultrahigh molecular weight polyethylene fiber, and can also be prepared by one or more of basalt fiber, carbon fiber, polycarbonate fiber and glass fiber;
the three-dimensional porous fiber material can be prepared by adopting the existing method, such as a three-dimensional weaving technology, a foaming forming technology, a 3D printing technology, a preparation method of bonding the randomly stacked chopped fibers and the adhesive on the fiber cross nodes, and the like, so as to form a stable three-dimensional network structure, and the details are not repeated herein.
In this embodiment, the resin filling the three-dimensional porous fiber material may be replaced by epoxy resin or a mixture of bisphenol a type epoxy vinyl resin and epoxy resin.
In this embodiment, the anti-skid wear-resistant bottom layer 13 comprises the following raw materials in parts by weight: 70 parts of hydrogenated nitrile rubber, 20 parts of butadiene rubber, 10 parts of No. 3 smoked sheet rubber, 20 parts of ABS resin, 5 parts of chlorosulfonated polyethylene, 40 parts of talcum powder, 10 parts of kaolin, 2 parts of chlorinated paraffin, 1 part of stearic acid, 2 parts of sulfur, 4 parts of active zinc oxide, 0.4 part of peptizer, 1.5 parts of accelerator DM, 4051.5 parts of anti-aging agent, 8001.5 parts of antioxidant PS, 2 parts of calcium aluminum phosphite and 7 parts of epoxidized soybean oil.
In this embodiment, the thickness of the high impact resistant protective middle layer 12 is 12mm, the thickness of the anti-skid wear-resistant bottom layer 13 is 10mm, and the thickness of the elastic buffer inner layer 11 is 8 mm; the elastic buffer inner layer 11 is made of EVA (ethylene vinyl acetate copolymer) or EPP (expanded polypropylene).
In this embodiment, the vamp comprises an inner liner 21, a vamp layer 23 and a non-woven fabric laminate 22 arranged between the inner liner 21 and the vamp layer 23; the inner liner layer 21, the vamp layer 23 and the non-woven fabric laminated layer 22 are bonded to form a vamp;
the lining layer 21 is made of memory sponge, the boot surface layer 23 is made of waterproof flame-retardant cow leather, and the non-woven fabric laminated layer 22 is formed by hot pressing of 4 fiber layers and 2 thermoplastic films;
the fiber layer is made of ultra-high molecular weight polyethylene fibers, the thermoplastic film can be a polyethylene film, a polyvinyl chloride film, an EVA hot melt adhesive film and the like, and the fiber layer is adhered by melting under the heating condition, so that the fiber layer can play a synergistic effect in impact resistance. The specific operation is as follows: firstly, superposing fiber layers, then respectively placing a layer of thermoplastic film on the upper surface and the lower surface, and then fusing the thermoplastic films under the heating condition to adhere the fiber layers.
In this embodiment, the toe of the boot is provided with a toe cap 3 for protecting toes; the protective ferrule 3 is formed by compounding glass fiber and epoxy resin.
The performance of the protective boot provided by the embodiment is tested by adopting the existing standard, the detection items and results are shown in the following table, and the detection results show that the protective boot prepared by the embodiment meets the GB/T21148-;
example two
The mine-sweeping protective boot provided by the embodiment comprises a boot sole and a boot vamp, wherein the boot sole sequentially comprises an anti-skid wear-resistant bottom layer 13, a high-impact-resistant protective middle layer 12 and an elastic buffer inner layer 11 arranged below an insole from bottom to top;
the high-impact-resistance protection middle layer 12 is formed by compounding a three-dimensional porous fiber material and bisphenol A type epoxy vinyl resin, and the resin is filled in three-dimensional through holes of the three-dimensional porous fiber material to form a network interwoven composite compact structure; the preparation method comprises the following steps: laying the three-dimensional porous fiber material in a mold, and filling flowing resin on the three-dimensional porous fiber material to enable the resin to be densely filled in the three-dimensional through holes of the three-dimensional porous fiber material to form a network interwoven composite compact structure.
In the embodiment, the holes of the three-dimensional porous fiber material are uniformly distributed, the communication porosity is 85-99%, and the pore diameter is 0.1-1 mm; the three-dimensional porous fiber material is prepared by mixing aramid fiber and ultrahigh molecular weight polyethylene fiber, and can also be prepared by one or more of basalt fiber, carbon fiber, polycarbonate fiber and glass fiber;
the three-dimensional porous fiber material can be prepared by adopting the existing method, such as a three-dimensional weaving technology, a foaming forming technology, a 3D printing technology, a preparation method of bonding the randomly stacked chopped fibers and the adhesive on the fiber cross nodes, and the like, so as to form a stable three-dimensional network structure, and the details are not repeated herein.
In this embodiment, the resin filling the three-dimensional porous fiber material may be replaced by epoxy resin or a mixture of bisphenol a type epoxy vinyl resin and epoxy resin.
In this embodiment, the anti-skid wear-resistant bottom layer 13 comprises the following raw materials in parts by weight: 67 parts of hydrogenated nitrile rubber, 18 parts of butadiene rubber, 12 parts of No. 3 smoked sheet rubber, 18 parts of ABS resin, 10 parts of chlorosulfonated polyethylene, 40 parts of talcum powder, 10 parts of kaolin, 2 parts of chlorinated paraffin, 1 part of stearic acid, 2 parts of sulfur, 4 parts of active zinc oxide, 0.4 part of peptizer, 1.5 parts of accelerator DM, 4051.5 parts of anti-aging agent, 8001.5 parts of antioxidant PS, 2 parts of calcium aluminum phosphite and 7 parts of epoxidized soybean oil.
In this embodiment, the thickness of the high impact resistant protective middle layer 12 is 14mm, the thickness of the anti-skid wear-resistant bottom layer 13 is 9mm, and the thickness of the elastic buffer inner layer 11 is 8 mm; the elastic buffer inner layer 11 is made of EVA (ethylene vinyl acetate copolymer) or EPP (expanded polypropylene).
In this embodiment, the vamp comprises an inner liner 21, a vamp layer 23 and a non-woven fabric laminate 22 arranged between the inner liner 21 and the vamp layer 23; the inner liner layer 21, the vamp layer 23 and the non-woven fabric laminated layer 22 are bonded to form a vamp;
the lining layer 21 is made of memory sponge, the boot surface layer 23 is made of waterproof flame-retardant cow leather, and the non-woven fabric laminated layer 22 is formed by hot pressing of 4 fiber layers and 2 thermoplastic films;
the fiber layer is made of ultra-high molecular weight polyethylene fibers, the thermoplastic film can be a polyethylene film, a polyvinyl chloride film, an EVA hot melt adhesive film and the like, and the fiber layer is adhered by melting under the heating condition, so that the fiber layer can play a synergistic effect in impact resistance. The specific operation is as follows: firstly, superposing fiber layers, then respectively placing a layer of thermoplastic film on the upper surface and the lower surface, and then fusing the thermoplastic films under the heating condition to adhere the fiber layers.
In this embodiment, the toe of the boot is provided with a toe cap 3 for protecting toes; the protective ferrule 3 is formed by compounding glass fiber and epoxy resin.
The performance of the protective boot provided by the embodiment is tested by adopting the existing standard, the detection items and results are shown in the following table, and the detection results show that the protective boot prepared by the embodiment meets the GB/T21148-;
EXAMPLE III
The mine-sweeping protective boot provided by the embodiment comprises a boot sole and a boot vamp, wherein the boot sole sequentially comprises an anti-skid wear-resistant bottom layer 13, a high-impact-resistant protective middle layer 12 and an elastic buffer inner layer 11 arranged below an insole from bottom to top;
the high-impact-resistance protection middle layer 12 is formed by compounding a three-dimensional porous fiber material and bisphenol A type epoxy vinyl resin, and the resin is filled in three-dimensional through holes of the three-dimensional porous fiber material to form a network interwoven composite compact structure; the preparation method comprises the following steps: laying the three-dimensional porous fiber material in a mold, and filling flowing resin on the three-dimensional porous fiber material to enable the resin to be densely filled in the three-dimensional through holes of the three-dimensional porous fiber material to form a network interwoven composite compact structure.
In the embodiment, the holes of the three-dimensional porous fiber material are uniformly distributed, the communication porosity is 85-99%, and the pore diameter is 0.1-1 mm; the three-dimensional porous fiber material is prepared by mixing aramid fiber and ultrahigh molecular weight polyethylene fiber, and can also be prepared by one or more of basalt fiber, carbon fiber, polycarbonate fiber and glass fiber;
the three-dimensional porous fiber material can be prepared by adopting the existing method, such as a three-dimensional weaving technology, a foaming forming technology, a 3D printing technology, a preparation method of bonding the randomly stacked chopped fibers and the adhesive on the fiber cross nodes, and the like, so as to form a stable three-dimensional network structure, and the details are not repeated herein.
In this embodiment, the resin filling the three-dimensional porous fiber material may be replaced by epoxy resin or a mixture of bisphenol a type epoxy vinyl resin and epoxy resin.
In this embodiment, the anti-skid wear-resistant bottom layer 13 comprises the following raw materials in parts by weight: 65 parts of hydrogenated nitrile rubber, 15 parts of butadiene rubber, 20 parts of No. 3 smoked sheet rubber, 15 parts of ABS resin, 10 parts of chlorosulfonated polyethylene, 35 parts of talcum powder, 15 parts of kaolin, 1.5 parts of chlorinated paraffin, 0.5 part of stearic acid, 1.5 parts of sulfur, 3.5 parts of active zinc oxide, 0.2 part of peptizer, 1 part of accelerator DM, 4051 parts of anti-aging agent, 1 part of antioxidant PS 8001, 1.5 parts of calcium aluminum phosphite and 5 parts of epoxidized soybean oil.
In this embodiment, the thickness of the high impact resistant protective middle layer 12 is 15mm, the thickness of the anti-skid wear-resistant bottom layer 13 is 8mm, and the thickness of the elastic buffer inner layer 11 is 6 mm; the elastic buffer inner layer 11 is made of EVA (ethylene vinyl acetate copolymer) or EPP (expanded polypropylene).
In this embodiment, the vamp comprises an inner liner 21, a vamp layer 23 and a non-woven fabric laminate 22 arranged between the inner liner 21 and the vamp layer 23; the inner liner layer 21, the vamp layer 23 and the non-woven fabric laminated layer 22 are bonded to form a vamp;
the lining layer 21 is made of memory sponge, the boot surface layer 23 is made of waterproof flame-retardant cow leather, and the non-woven fabric laminated layer 22 is formed by hot pressing 6 fiber layers and 2 thermoplastic films;
the fiber layer is made of aramid fibers, the thermoplastic film can be a polyethylene film, a polyvinyl chloride film, an EVA hot melt adhesive film and the like, and the fiber layer is adhered by melting under the heating condition, so that the fiber layer can play a synergistic effect in impact resistance. The specific operation is as follows: firstly, superposing fiber layers, then respectively placing a layer of thermoplastic film on the upper surface and the lower surface, and then fusing the thermoplastic films under the heating condition to adhere the fiber layers.
In this embodiment, the toe of the boot is provided with a toe cap 3 for protecting toes; the protective ferrule 3 is formed by compounding glass fiber and epoxy resin.
The performance of the protective boot provided by the embodiment is tested by adopting the existing standard, the detection items and results are shown in the following table, and the detection results show that the protective boot prepared by the embodiment meets the GB/T21148-;
finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (5)
1. The utility model provides a sweep thunder protective boot, includes boot bottom and vamp, its characterized in that: the boot sole sequentially comprises an anti-skid wear-resistant bottom layer, a high-impact-resistance protection middle layer and an elastic buffer inner layer arranged below the insole from bottom to top; the thickness of the antiskid wear-resistant bottom layer is 8-10 mm, the thickness of the high-impact-resistance protection middle layer is 12-15 mm, and the thickness of the elastic buffer inner layer is 6-8 mm;
the anti-skid wear-resistant bottom layer comprises the following raw materials in parts by weight: 65-70 parts of hydrogenated nitrile rubber, 15-20 parts of butadiene rubber, 10-20 parts of No. 3 smoked sheet rubber, 15-20 parts of ABS resin, 5-10 parts of chlorosulfonated polyethylene, 35-40 parts of talcum powder, 10-15 parts of kaolin, 1.5-2 parts of chlorinated paraffin, 0.5-1 part of stearic acid, 1.5-2 parts of sulfur, 3.5-4 parts of active zinc oxide, 0.2-0.4 part of peptizer, 1-1.5 parts of accelerator DM, 4051-1.5 parts of anti-aging agent, 1-1.5 parts of antioxidant PS 8001, 1.5-2 parts of calcium aluminum phosphite and 5-7 parts of epoxy soybean oil;
the high-impact-resistance protection middle layer is formed by compounding a three-dimensional porous fiber material and resin, and the resin is filled in three-dimensional through holes of the three-dimensional porous fiber material to form a network interwoven composite compact structure; the three-dimensional porous fiber material is characterized in that holes are uniformly distributed, the communication porosity is 85-99%, and the pore diameter is 0.1-1 mm; the elastic buffer inner layer is made of EVA or EPP.
2. A minesweeping protective boot according to claim 1 wherein: the three-dimensional porous fiber material is prepared from one or more of basalt fibers, aramid fibers, ultra-high molecular weight polyethylene fibers, carbon fibers, polycarbonate fibers and glass fibers.
3. A minesweeping protective boot according to claim 2 wherein: the resin is one or a mixture of bisphenol A epoxy vinyl resin and epoxy resin.
4. A minesweeping protective boot according to claim 1 wherein: the boot vamp comprises an inner liner layer, a boot vamp layer and a non-woven fabric laminated layer arranged between the inner liner layer and the boot vamp layer;
the inner liner is made by the memory sponge, boots surface course is made by waterproof fire-retardant cow hide, the non-woven fabrics stromatolite is pressed by 4 ~ 6 fibrous layers and 2 layers of thermoplastic film heat.
5. A minesweeping protective boot according to claim 1 wherein: the toe cap of the protective boot is provided with a protective toe cap for protecting toes; the protective bag head is formed by compounding glass fibers and resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531005.XA CN110250646B (en) | 2019-06-19 | 2019-06-19 | Mine sweeping protective boot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531005.XA CN110250646B (en) | 2019-06-19 | 2019-06-19 | Mine sweeping protective boot |
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| CN110250646A CN110250646A (en) | 2019-09-20 |
| CN110250646B true CN110250646B (en) | 2021-07-23 |
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| US11723430B2 (en) | 2020-09-18 | 2023-08-15 | The Goodyear Tire & Rubber Company | Shoe with outsole containing vegetable oil extended high TG styrene/butadiene elastomer |
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| CN203789266U (en) * | 2014-03-14 | 2014-08-27 | 温州腾和鞋业有限公司 | Aramid fiber safety shoe |
| CN104086834B (en) * | 2014-07-14 | 2016-08-17 | 宁国市日格美橡塑制品有限公司 | A kind of Oilproof corrosion-resistant rubber material |
| CN105286172A (en) * | 2015-10-22 | 2016-02-03 | 无锡市恒达矿山机械有限公司 | Safety shoes for mine |
| CN105602015A (en) * | 2015-11-14 | 2016-05-25 | 胡运冲 | Lightweight wear-resistant antiskiding rubber shoe sole material and preparation method thereof |
| CN106120550B (en) * | 2016-06-24 | 2019-01-18 | 谷建义 | Three-dimensional porous fibrous material deck installation structure and its construction method |
| CN207202204U (en) * | 2017-09-08 | 2018-04-10 | 安徽绿谷服饰有限公司 | A kind of Multifunctional emergency rescue boots |
| CN207767628U (en) * | 2017-12-30 | 2018-08-28 | 广东万里马实业股份有限公司 | A kind of anti-puncture shoes |
-
2019
- 2019-06-19 CN CN201910531005.XA patent/CN110250646B/en active Active
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Address after: 402260 a-02-05-01, Degan Industrial Park, degan street, Jiangjin District, Chongqing Applicant after: JIHUA 3539 SHOES Co.,Ltd. Address before: 402260 No. 39, 369 Jiangjin Road, Chongqing Applicant before: JIHUA 3539 SHOES Co.,Ltd. |
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