CN111150172A - Anti-puncture sole of labor protection shoes and preparation method thereof - Google Patents
Anti-puncture sole of labor protection shoes and preparation method thereof Download PDFInfo
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- CN111150172A CN111150172A CN201911351266.XA CN201911351266A CN111150172A CN 111150172 A CN111150172 A CN 111150172A CN 201911351266 A CN201911351266 A CN 201911351266A CN 111150172 A CN111150172 A CN 111150172A
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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
-
- 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
- A43B13/125—Soles with several layers of different materials characterised by the midsole or middle layer
- A43B13/127—Soles with several layers of different materials characterised by the midsole or middle layer the midsole being multilayer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
- B29D35/14—Multilayered parts
- B29D35/142—Soles
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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
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
- C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
-
- 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
-
- 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
-
- 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
Abstract
The invention discloses an anti-puncture sole of labor protection shoes and a preparation method thereof, wherein the sole comprises a midsole and an outsole, an anti-puncture layer is arranged between the midsole and the outsole, the anti-puncture layer comprises a plurality of layers of aramid fabrics and a coating tissue wrapping the aramid fabrics, and the coating tissue comprises the following components in parts by weight: 2-3 parts of glass fiber; 10-15 parts of SEBS thermoplastic elastomer; 1-2 parts of rosin resin. The aramid fabric has good puncture resistance, so that the sole of the safety shoe has good protective performance. The SEBS thermoplastic elastomer has good elasticity, can effectively bind the aramid fiber fabric, can improve the stability of the fabric, and further improves the puncture resistance of the sole. The rosin resin can further improve the resistance effect of the SEBS thermoplastic elastomer on the deformation of the aramid fiber fabric, and the glass fiber also has good mechanical strength and can further effectively improve the puncture resistance of the sole.
Description
Technical Field
The invention relates to the technical field of labor protection shoes, in particular to an anti-puncture sole of a labor protection shoe and a preparation method thereof.
Background
The labor protection shoes have the advantages that the labor protection shoes have the safety protection effect on feet, are various in types, mainly have the functions of static prevention, toe protection, puncture prevention, insulation, acid and alkali resistance, skid prevention, cold prevention and the like, and are selected according to the hazard property and the hazard degree of the working environment.
Chinese patent No. CN103445387B discloses a puncture-proof composite sole, which comprises a foamed EVA midsole and a rubber outsole, wherein a puncture-proof middle cloth layer having a shape matched with the top of the rubber outsole is further disposed between the foamed EVA midsole and the rubber outsole; a layer of EVA adhesive film is arranged between the top of the anti-puncture middle cloth layer and the bottom of the foamed EVA middle sole, a layer of EVA adhesive film is also arranged between the bottom of the anti-puncture middle cloth layer and the top of the rubber outer sole, and the foamed EVA middle sole, the anti-puncture middle cloth layer and the rubber outer sole are laminated into a whole through hot pressing; the anti-puncture middle cloth layer comprises more than three layers of anti-puncture compact fabrics, a layer of EVA (ethylene vinyl acetate) adhesive film is arranged between every two adjacent layers of anti-puncture compact fabrics, and the anti-puncture compact fabrics are laminated into a whole through hot pressing. Wherein, the anti-puncture compact fabric is a high-strength polyester fiber compact fabric.
The anti-puncture sole mainly realizes the anti-puncture function through the multilayer high-strength polyester fiber compact fabric, but the anti-puncture performance of the anti-puncture sole is limited by only adopting the multilayer high-strength polyester fiber compact fabric and needs to be improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the puncture-proof sole of the labor protection shoe, which has excellent puncture-proof performance.
In order to achieve the purpose, the invention provides the following technical scheme:
an anti-puncture sole of labor protection shoes comprises a midsole and an outsole, wherein an anti-puncture layer is arranged between the midsole and the outsole, the anti-puncture layer comprises a plurality of layers of aramid fabrics and a coating tissue wrapping the aramid fabrics, and the coating tissue comprises the following components in parts by weight,
2-3 parts of glass fiber;
10-15 parts of SEBS thermoplastic elastomer;
1-2 parts of rosin resin.
By adopting the technical scheme, the aramid fiber is a high-tech synthetic fiber, has the characteristics of soft texture, high strength, high modulus, high temperature resistance and the like, the strength of the chopped aramid fiber is 5-6 times of that of a steel wire, the modulus is 2-3 times of that of the steel wire or glass fiber, the toughness is 2 times of that of the steel wire, the weight only has one fifth of that of the steel wire, and the aramid fabric has good puncture resistance, so that the sole of the labor protection shoe has good protective performance.
And SEBS thermoplastic elastomer has good elasticity, can effectively tie aramid fiber fabric, when aramid fiber fabric receives sharp object extrusion, can improve the stability of fabric, avoids sharp object's pointed end to penetrate from the weaving hole, has further improved the anti-puncture performance of sole. The rosin resin can further improve the resistance effect of the SEBS thermoplastic elastomer on the deformation of the aramid fiber fabric, and the glass fiber also has good mechanical strength and can further effectively improve the puncture resistance of the sole.
Further, the coating tissue comprises 1-2 parts by weight of polyurethane nano fibers.
Through adopting above-mentioned technical scheme, polyurethane nanofiber has hardness range width, intensity height, wear-resisting, resistant oily, resistant ozone, a great deal of advantage such as high tensile strength and elongation at break, improves anti-puncture performance through self simultaneously, entangles easily between itself and with between the glass fiber, in SEBS thermoplastic elastomer, can play the effect of anchor, further improves the resistance effect to aramid fiber fabric deformation to further improve the anti-puncture performance of sole.
Further, the coating tissue comprises 0.5-1 part of nano glass beads in parts by weight.
By adopting the technical scheme, the nano glass beads have the advantages of light weight, low heat conduction, higher strength, good chemical stability and the like, can be filled in gaps among glass fibers, further improve the puncture resistance of products, and are very easy to disperse. Meanwhile, the nano glass beads can play a role similar to balls, reduce the friction force among components in the system and improve the flowing property so as to improve the dispersion uniformity of the system.
Further, the coating tissue comprises 0.5-1 part of perfluoropolyether in parts by weight.
By adopting the technical scheme, the perfluoropolyether is a good lubricant and has the characteristic of quick drying, the flowability of the system can be improved by adding the perfluoropolyether so as to improve the processing performance, the density of the system can be further improved after volatilization, and the puncture resistance of the sole is improved to a certain extent.
Further, the surface density of the aramid fiber fabric is 400-500g/m2。
By adopting the technical scheme, the aramid fiber fabric with the density has good puncture resistance.
Further, the thickness of the anti-puncturing layer is 2-3 mm.
Through adopting above-mentioned technical scheme, through the setting of multilayer aramid fabric for anti puncture performance can be effectively guaranteed.
Furthermore, the middle layer is made of EVA, and the outer layer is made of natural rubber.
By adopting the technical scheme, the middle layer has good elasticity, and the outer layer has a certain protection effect.
The invention also aims to provide a preparation method of the puncture-proof sole of the labor protection shoe, which comprises the following steps:
s1, preparing a middle sole by adopting EVA foaming, and preparing an outer sole by adopting natural rubber mixing;
s2, cutting the aramid fiber fabric;
s3, melting the SEBS thermoplastic elastomer, adding rosin resin, uniformly stirring, continuously adding the glass fiber, the polyurethane nanofiber, the nano glass bead and the perfluoropolyether, and uniformly stirring to obtain a coating adhesive;
s4, coating the two sides of the aramid fiber fabric with the prepared coating adhesive, attaching a plurality of layers of aramid fiber fabrics after coating, and curing to obtain an anti-puncture layer;
s5, putting the outsole into a mold for forming the sole, sequentially putting an EVA (ethylene vinyl acetate) adhesive film, an anti-puncture layer, an EVA adhesive film and a midsole on the top of the outsole, and pressing the outsole, the anti-puncture layer, the EVA adhesive film and the midsole on a flat vulcanizing machine at the temperature of 180-;
s6, placing the composite sole on another vulcanizing press, and cooling with water for 8-10 min;
and S7, opening the mould and trimming the edge to obtain the anti-puncture sole.
In conclusion, the invention has the following beneficial effects:
1. the aramid fiber is a high-tech synthetic fiber, has the characteristics of soft texture, high strength, high modulus, high temperature resistance and the like, the strength of the short aramid fiber is 5-6 times of that of a steel wire, the modulus is 2-3 times of that of the steel wire or glass fiber, the toughness is 2 times of that of the steel wire, the weight is only one fifth of that of the steel wire, and the aramid fabric has good puncture resistance, so that the sole of the labor protection shoe has good protective performance.
2. The SEBS thermoplastic elastomer has good elasticity, can effectively bind the aramid fiber fabric, can improve the stability of the fabric when the aramid fiber fabric is extruded by a sharp object, avoids the sharp end of the sharp object from penetrating through a textile hole, and further improves the anti-puncture performance of the sole. The rosin resin can further improve the resistance effect of the SEBS thermoplastic elastomer on the deformation of the aramid fiber fabric, and the glass fiber also has good mechanical strength and can further effectively improve the puncture resistance of the sole.
3. The polyurethane nanofiber has the advantages of wide hardness range, high strength, wear resistance, oil resistance, ozone resistance, high tensile strength, elongation at break and the like, the anti-puncture performance is improved through the polyurethane nanofiber, entanglement is easy to occur between the polyurethane nanofiber and the glass fiber, an anchoring effect can be achieved in the SEBS thermoplastic elastomer, the anti-puncture effect on the deformation of the aramid fabric is further improved, and the anti-puncture performance of the sole is further improved.
4. The nano glass beads have the advantages of light weight, low heat conduction, high strength, good chemical stability and the like, can be filled in gaps among glass fibers, further improve the puncture resistance of products, and are very easy to disperse. Meanwhile, the nano glass beads can play a role similar to balls, reduce the friction force among components in the system and improve the flowing property so as to improve the dispersion uniformity of the system.
5. The perfluoropolyether is a good lubricant and has the characteristic of quick drying, the flow property of the system can be improved by adding the perfluoropolyether so as to improve the processing property, the density of the system can be further improved after the perfluoropolyether is volatilized, and the puncture resistance of the sole is improved to a certain extent.
Drawings
FIG. 1 is a flow chart of a method provided by the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples.
Examples
Example 1
The utility model provides a puncture-proof sole of labour protection shoes, includes the insole of being made by EVA expanded material and the outsole of being made by natural rubber material, is provided with anti-puncture layer between insole and the outsole, and anti-puncture layer includes 4 layers of aramid fiber fabrics (select the areal density to be 500 and charge 650 g/m)2) And the wrapping tissues are wrapped on the outer sides of the 4 layers of aramid fiber fabrics, meanwhile, the wrapping tissues are wrapped on the two sides of each layer of aramid fiber fabric, and the components of the wrapping tissues are shown in the table 1 in parts by weight.
As shown in fig. 1, the preparation method of the puncture-proof sole comprises the following steps:
s1, preparing a middle sole by adopting EVA foaming, and preparing an outer sole by adopting natural rubber mixing;
s2, cutting 4 pieces of aramid fabric;
s3, melting the SEBS thermoplastic elastomer, adding rosin resin, uniformly stirring, continuously adding the glass fiber, the polyurethane nanofiber, the nano glass bead and the perfluoropolyether, and uniformly stirring to obtain a coating adhesive;
s4, coating the two sides of the aramid fiber fabric with the prepared coating adhesive, attaching a plurality of layers of aramid fiber fabrics after coating, and curing to obtain an anti-puncture layer with the thickness of 2-3 mm;
s5, putting the outsole into a mold for forming the sole, sequentially putting an EVA (ethylene vinyl acetate) adhesive film, an anti-puncture layer, an EVA adhesive film and a midsole on the top of the outsole, and pressing the outsole, the anti-puncture layer, the EVA adhesive film and the midsole on a flat vulcanizing machine at the temperature of 180-;
s6, placing the composite sole on another vulcanizing press, and cooling with water for 8-10 min;
and S7, opening the mould and trimming the edge to obtain the anti-puncture sole.
Example 2
The difference from example 1 is that the components of the packaging tissue are shown in table 1 in parts by weight.
Example 3
The difference from example 1 is that the components of the packaging tissue are shown in table 1 in parts by weight.
Example 4
The difference from example 1 is that the components of the packaging tissue are shown in table 1 in parts by weight.
Example 5
The difference from example 1 is that the components of the packaging tissue are shown in table 1 in parts by weight.
Example 6
Comparative example
Comparative example 1
The difference from example 1 is that the components of the packaging tissue are shown in table 1 in parts by weight.
Comparative example 2
The difference from example 1 is that the components of the packaging tissue are shown in table 1 in parts by weight.
Performance test
Puncture resistance test: the puncture test was carried out on each group of samples with reference to GB/T12017-.
TABLE 1 Parcel organization formula table
| Example 1 | Example 2 | Example 3 | Example 4 | |
| Glass fiber | 2 | 2 | 3 | 2 |
| SEBS thermoplastic elastomer | 10 | 13 | 15 | 13 |
| Rosin resin | 1 | 1 | 2 | 1 |
| Polyurethane nanofibers | 1 | 2 | 2 | / |
| Nano glass micro-bead | 0.5 | 1 | 1 | 1 |
| Perfluoropolyethers | 0.5 | 1 | 1 | 1 |
TABLE 1 continuation
| Example 5 | Example 6 | Comparative example 1 | Comparative example 2 | |
| Glass fiber | 2 | 2 | / | 2 |
| SEBS thermoplastic elastomer | 13 | 13 | 13 | 13 |
| Rosin resin | 1 | 1 | 1 | / |
| Polyurethane nanofibers | 2 | 2 | 2 | 2 |
| Nano glass micro-bead | / | 1 | 1 | 1 |
| Perfluoropolyethers | 1 | / | 1 | 1 |
TABLE 2 puncture Performance test Table
| Puncture resistance (N) | |
| Example 1 | 1664 |
| Example 2 | 1668 |
| Example 3 | 1670 |
| Example 4 | 1613 |
| Example 5 | 1618 |
| Example 6 | 1664 |
| Comparative example 1 | 1609 |
| Comparative example 2 | 1657 |
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a puncture-proof sole of labour protection shoes which characterized in that: comprises a midsole and an outsole, wherein an anti-puncturing layer is arranged between the midsole and the outsole, the anti-puncturing layer comprises a plurality of layers of aramid fabrics and a coating tissue which wraps the aramid fabrics, and the coating tissue comprises the following components in parts by weight,
2-3 parts of glass fiber;
10-15 parts of SEBS thermoplastic elastomer;
1-2 parts of rosin resin.
2. The puncture-resistant sole for labor shoes according to claim 1, characterized in that: the coating tissue comprises 1-2 parts of polyurethane nano fibers in parts by weight.
3. The puncture-resistant sole for labor shoes according to claim 1, characterized in that: the coating tissue comprises 0.5-1 part of nano glass beads in parts by weight.
4. The puncture-resistant sole for labor shoes according to claim 1, characterized in that: the coating tissue comprises 0.5-1 part of perfluoropolyether by weight.
5. The puncture-resistant sole for labor shoes according to claim 1, characterized in that: the surface density of the aramid fiber fabric is 500-650g/m2。
6. The puncture-resistant sole for labor shoes according to claim 1, characterized in that: the thickness of the anti-puncturing layer is 2-3 mm.
7. The puncture-resistant sole for labor shoes according to claim 1, characterized in that: the middle layer is made of EVA, and the outer layer is made of natural rubber.
8. A method of making a puncture resistant sole for a labor shoe according to any one of claims 1-7, wherein: comprises the following steps of (a) carrying out,
s1, preparing a middle sole by adopting EVA foaming, and preparing an outer sole by adopting natural rubber mixing;
s2, cutting the aramid fiber fabric;
s3, melting the SEBS thermoplastic elastomer, adding rosin resin, uniformly stirring, continuously adding the glass fiber, the polyurethane nanofiber, the nano glass bead and the perfluoropolyether, and uniformly stirring to obtain a coating adhesive;
s4, coating the two sides of the aramid fiber fabric with the prepared coating adhesive, attaching a plurality of layers of aramid fiber fabrics after coating, and curing to obtain an anti-puncture layer;
s5, putting the outsole into a mold for forming the sole, sequentially putting an EVA (ethylene vinyl acetate) adhesive film, an anti-puncture layer, an EVA adhesive film and a midsole on the top of the outsole, and pressing the outsole, the anti-puncture layer, the EVA adhesive film and the midsole on a flat vulcanizing machine at the temperature of 180-;
s6, placing the composite sole on another vulcanizing press, and cooling with water for 8-10 min;
and S7, opening the mould and trimming the edge to obtain the anti-puncture sole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911351266.XA CN111150172A (en) | 2019-12-24 | 2019-12-24 | Anti-puncture sole of labor protection shoes and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911351266.XA CN111150172A (en) | 2019-12-24 | 2019-12-24 | Anti-puncture sole of labor protection shoes and preparation method thereof |
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| CN111150172A true CN111150172A (en) | 2020-05-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645380A (en) * | 2022-03-09 | 2022-06-21 | 盐城工业职业技术学院 | Stab-resistant garment fabric and preparation method thereof |
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| CN1345196A (en) * | 1999-01-12 | 2002-04-17 | 纳幕尔杜邦公司 | Puncture resistant composite |
| CN1787755A (en) * | 2003-04-14 | 2006-06-14 | 伦兹埃吉斯托股份公司 | Puncture resistant textile structure, especially for shoe soles |
| CN203492870U (en) * | 2013-09-05 | 2014-03-26 | 中国人民解放军总后勤部军需装备研究所 | Anti-puncture combined sole |
| CN103750597A (en) * | 2013-11-22 | 2014-04-30 | 东华大学 | Flexible and high-energy-absorbing stab and cut resistant shoe sole |
| CN104098867A (en) * | 2014-08-01 | 2014-10-15 | 东莞市华业鞋材有限公司 | Composite material used for producing shoe insole boards and preparation method of composite material |
| CN104277409A (en) * | 2014-09-27 | 2015-01-14 | 赵东奇 | Puncture-resistant material and preparation method thereof |
| CN106009097A (en) * | 2016-07-14 | 2016-10-12 | 温州任和教育科技有限责任公司 | Industrial anti-piercing sole material and preparation method thereof |
-
2019
- 2019-12-24 CN CN201911351266.XA patent/CN111150172A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1345196A (en) * | 1999-01-12 | 2002-04-17 | 纳幕尔杜邦公司 | Puncture resistant composite |
| CN1787755A (en) * | 2003-04-14 | 2006-06-14 | 伦兹埃吉斯托股份公司 | Puncture resistant textile structure, especially for shoe soles |
| CN203492870U (en) * | 2013-09-05 | 2014-03-26 | 中国人民解放军总后勤部军需装备研究所 | Anti-puncture combined sole |
| CN103750597A (en) * | 2013-11-22 | 2014-04-30 | 东华大学 | Flexible and high-energy-absorbing stab and cut resistant shoe sole |
| CN104098867A (en) * | 2014-08-01 | 2014-10-15 | 东莞市华业鞋材有限公司 | Composite material used for producing shoe insole boards and preparation method of composite material |
| CN104277409A (en) * | 2014-09-27 | 2015-01-14 | 赵东奇 | Puncture-resistant material and preparation method thereof |
| CN106009097A (en) * | 2016-07-14 | 2016-10-12 | 温州任和教育科技有限责任公司 | Industrial anti-piercing sole material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114645380A (en) * | 2022-03-09 | 2022-06-21 | 盐城工业职业技术学院 | Stab-resistant garment fabric and preparation method thereof |
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Application publication date: 20200515 |