CN112568551A - Preparation method of puncture-resistant breathable sole and labor protection shoe with same - Google Patents
Preparation method of puncture-resistant breathable sole and labor protection shoe with same Download PDFInfo
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- CN112568551A CN112568551A CN202011431472.4A CN202011431472A CN112568551A CN 112568551 A CN112568551 A CN 112568551A CN 202011431472 A CN202011431472 A CN 202011431472A CN 112568551 A CN112568551 A CN 112568551A
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/04—Plastics, rubber or vulcanised fibre
-
- 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
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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
- A43B13/42—Filling materials located between the insole and outer sole; Stiffening materials
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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
- B29D35/122—Soles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention discloses a preparation method of an anti-puncture breathable sole, belonging to the technical field of labor protection articles, the difference is that the inside of the formed composite fiber contains carbon nano tubes, the carbon nano tubes are uniformly distributed in a net structure formed by acrylic resin under the action of ultrasonic dispersion, the composite fiber prepared by the method has high tensile strength and good bending toughness, and then the composite fiber is added when the outsole and the midsole are prepared, so that the sole has extremely strong puncture-resistant effect after molding, and a honeycomb foaming body which is formed by foaming and integrating is arranged between the outsole and the midsole, and the honeycomb foaming body is exposed on the surface of the midsole and the side surface of the outsole, after the labor protection shoes are manufactured, air in the shoes can be ventilated and radiated through the honeycomb foaming bodies, and when the midsoles are subjected to the acting force of treading, the honeycomb foam can increase the softness of the shoe sole when worn, and the puncture resistance is not affected.
Description
Technical Field
The invention discloses a preparation method of an anti-puncture breathable sole and a labor protection shoe with the sole, and belongs to the technical field of labor protection product production.
Background
The prior finished shoe sole is usually composed of a rubber and plastic outer sole, a middle sole and an insole and has no puncture resistance. However, in some special environments, such as mines, earthquake relief, jungle expeditions, troop training and battles, the sole is required to have a certain puncture resistance to prevent sharp objects such as bamboo sticks and steel nails from penetrating through the sole to hurt feet. In order to provide the shoe with the anti-puncture performance, the anti-puncture insole is made of materials such as steel plates, aramid fibers and glass fiber cloth, and the anti-puncture effect of the sole is ensured. The prior art discloses a puncture-proof sole, wherein two layers of puncture-proof metal sheets are clamped in the sole, and are clamped on the upper layer of the sole after being drilled and formed by metal plates to form a whole with shoes, the sole has better puncture-proof effect, but because the metal sheets have high density and high hardness, the sole has poor bending performance and is heavy when being worn, and the comfort is influenced; in addition, the metal sheet and the rubber are difficult to combine, so that the metal sheet and the rubber are easy to dislocate and separate in the wearing process, and the wearing resistance of the sole is affected.
The invention patent with the publication number of CN103445387B discloses a puncture-proof combined sole and a manufacturing method thereof, which comprises a foaming EVA middle sole and a rubber outer sole, wherein a puncture-proof middle cloth layer which is matched with the top shape of the rubber outer sole is arranged between the foaming EVA middle sole and the rubber outer sole; a layer of EVA adhesive film is arranged between the top of the puncture-resistant middle cloth layer and the bottom of the foamed EVA insole, a layer of EVA adhesive film is also arranged between the bottom of the puncture-resistant middle cloth layer and the top of the rubber outsole, and the foamed EVA insole, the puncture-resistant middle cloth layer and the rubber outsole are laminated into a whole through hot pressing; the anti-puncture middle cloth layer comprises more than three layers of anti-puncture compact fabrics, an 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 bonded into a whole through hot pressing.
Although the middle cloth layer of the anti-puncture shoe is bonded with the EVA insole and the rubber outsole through the EVA adhesive film hot pressing, so that the manufactured sole has the anti-puncture function, the middle cloth layer of the anti-puncture shoe is positioned at the middle part of the sole, the anti-puncture effect of the sole is realized, the sharp object tends to puncture the rubber outsole first, the service life of the long rubber outsole is greatly reduced, the anti-puncture shoe sole made of the existing rubber material is adopted, the ventilation effect of the anti-puncture shoe sole is very poor, particularly, the leather safety shoe is provided, once the vamp does not have the ventilation function, the air in the shoe is extremely easy to be blocked, foot diseases are induced, and the improvement on the condition is needed.
Disclosure of Invention
The invention aims to solve the problems that the puncture-resistant structure of the safety shoe in the prior art is unreasonable in design and cannot be considered with air permeability, and provides a preparation method of a puncture-resistant breathable sole.
The invention achieves the aim through the following technical scheme, and the preparation method of the puncture-resistant breathable sole comprises the following steps:
s1: dissolving aluminum nitrate and malic acid by using deionized water, heating to 85 ℃, adding a spinning additive PVP (polyvinyl pyrrolidone) for stirring for 8-12min, mixing acrylic resin and carbon nanotubes, adding the mixture, heating to 100 ℃ by using an ultrasonic crusher, carrying out ultrasonic stirring for 2-3h, concentrating the mixed solution, and cooling to normal temperature to obtain a spinning solution;
s2: treating the spinning solution by a centrifugal spinning machine, carrying out centrifugal spinning at the rotating speed of 2000rpm and the temperature of 65 ℃, then drying the spinning fiber in an oven at the temperature of 60 ℃ for 12-18h, and then sintering at the temperature of 1200 ℃ for 1h to obtain the composite fiber;
s3: mixing and heating polyol, a catalyst, a foaming agent, carbon fiber powder, a chain extender, a foam stabilizer and composite fibers to 110 ℃ of temperature of 100-;
s4: and (3) putting the outsole and the midsole into a mold together in a fitting manner, uniformly putting a foaming material into the mold from the through holes, performing cross-linking foaming to form a honeycomb foaming body for connecting the midsole and the outsole, and opening the mold to obtain the puncture-resistant breathable sole.
Preferably, the foaming material is any one or more of EVA, LLDPE and SBR.
Preferably, the foam material is prepared by mixing EVA, LLDPE and SBR in a ratio of 7: 3: 1, and (b) a ternary blended foaming mixture.
Preferably, in S4, the foaming material is added with the crosslinking agent DCP and the antioxidant.
Preferably, in S4, RB820 thermoplastic elastomer is further mixed in the foam material.
Preferably, the foot-attaching side of the insole is provided with a settlement surface covering the through hole, and the settlement surface is 1-3mm lower than the foot-attaching surface of the insole.
Preferably, the groove comprises a plurality of extension grooves which are positioned at the sole position of the outsole and penetrate through the two sides of the outsole, the width of each extension groove is 8-12mm, and the depth of each extension groove is 4-8 mm.
Preferably, the positioning structure who is used for both laminating has between insole and the big end, positioning structure is including the projection and the embedded groove that are located insole and big end respectively to the laminating face of insole and big end is pasted and is had the polyurethane membrane.
Preferably, S3 is further mixed with clay-doped acetylene black.
A puncture-resistant breathable labor protection shoe comprises a puncture-resistant breathable sole prepared by the invention.
Compared with the prior art, the invention has the beneficial effects that:
(1) the acrylic resin can form a net structure in the reaction of functional groups, and the carbon nano tubes have extremely high toughness, so that the carbon nano tubes can reduce the attraction among the carbon nano tubes when being coated in the net structure, and the carbon nano tubes are uniformly distributed in the net structure under the action of ultrasonic dispersion, thereby the prepared composite fiber has high tensile strength and good bending toughness.
(2) Add composite fiber in preparation outsole and well sole to make its distribution even through ultrasonic diffusion, so can make the sole have extremely strong anti effect of impaling, the unable outsole that impales of point form thing, and the insole can play the effect of secondary protection, and also alleviateed the weight that traditional labour protection shoes adopted the anti structure of impaling of steel sheet.
(3) The cellular foaming body is integrally formed by foaming between the outsole and the midsole, and is exposed on the surface of the midsole and the side surface of the outsole, after the labor protection shoes are manufactured, air in the shoes can ventilate and dissipate heat through the cellular foaming body, and when the midsole is subjected to the acting force of foot treading, the cellular foaming body can increase the wearing flexibility of the soles and the bending toughness during walking, and meanwhile, the puncture resistance performance is not influenced.
(4) The honeycomb foaming bodies on the surfaces of the midsoles are connected into a whole and penetrate through the through holes to be bonded with the outsole in a foaming and crosslinking manner, and the binding surfaces of the midsoles and the outsole enable the polyurethane film to be molten and connected with the midsole through high temperature, so that the midsoles and the outsole are more firmly connected during foaming and forming, and especially the outsole and the midsoles have better anti-stripping effect.
Drawings
FIG. 1 is an exploded view of a puncture-resistant vapor-permeable sole according to the present invention;
in the figure: 1. a outsole; 2. an extension groove; 3. a groove; 4. settling surface; 5. a midsole; 6. a through hole; 7. a honeycomb foam.
Detailed Description
The following will clearly and completely describe the technical solutions 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 embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, a method for preparing a puncture-resistant breathable sole for shoes comprises the following steps:
s1: dissolving aluminum nitrate and malic acid by using deionized water, heating to 85 ℃, adding a spinning additive PVP (polyvinyl pyrrolidone) for stirring for 12min, mixing acrylic resin and carbon nanotubes, adding the mixture, heating to 100 ℃ by using an ultrasonic crusher, carrying out ultrasonic stirring for 2h, concentrating the mixed solution, and cooling to normal temperature to obtain a spinning solution;
s2: treating the spinning solution by a centrifugal spinning machine, carrying out centrifugal spinning at the rotating speed of 2000rpm and the temperature of 65 ℃, then drying the spinning fiber in an oven at the temperature of 60 ℃ for 18h, and then sintering at the temperature of 1200 ℃ for 1h to obtain the composite fiber;
s3: mixing and heating polyol, a catalyst, a foaming agent, carbon fiber powder, a chain extender, a foam stabilizer and composite fibers to 110 ℃, then adding isocyanate, performing ultrasonic diffusion for 2 hours, and pouring the mixture into different molds for vulcanization after reaction for 1 hour to obtain an outsole 1 and an insole 5, wherein the outsole 1 is provided with a groove 3 extending from the middle part to the outer edge of the outsole, the insole 5 is provided with a through hole 6, and the through hole 6 is communicated with the groove 3;
s4: and (3) putting the outsole 1 and the midsole 5 into a mold together, uniformly putting EVA foam materials into the mold from the through holes 6, performing cross-linking foaming to form a honeycomb foam 7 connecting the midsole 5 and the outsole 1, and opening the mold to obtain the puncture-resistant breathable sole.
Example 2
As shown in fig. 1, a method for preparing a puncture-resistant breathable sole for shoes comprises the following steps:
s1: dissolving aluminum nitrate and malic acid by using deionized water, heating to 85 ℃, adding a spinning additive PVP (polyvinyl pyrrolidone) for stirring for 12min, mixing acrylic resin and carbon nanotubes, adding the mixture, heating to 100 ℃ by using an ultrasonic crusher, carrying out ultrasonic stirring for 2h, concentrating the mixed solution, and cooling to normal temperature to obtain a spinning solution;
s2: treating the spinning solution by a centrifugal spinning machine, carrying out centrifugal spinning at the rotating speed of 2000rpm and the temperature of 65 ℃, then drying the spinning fiber in an oven at the temperature of 60 ℃ for 18h, and then sintering at the temperature of 1200 ℃ for 1h to obtain the composite fiber;
s3: mixing and heating polyol, a catalyst, a foaming agent, carbon fiber powder, a chain extender, a foam stabilizer and composite fibers to 110 ℃, then adding isocyanate, performing ultrasonic diffusion for 2 hours, and pouring the mixture into different molds for vulcanization after reaction for 1 hour to obtain an outsole 1 and an insole 5, wherein the outsole 1 is provided with a groove 3 extending from the middle part to the outer edge of the outsole, the insole 5 is provided with a through hole 6, and the through hole 6 is communicated with the groove 3;
s4: putting the outsole 1 and the midsole 5 into a mold together in a laminating manner, and uniformly putting EVA, LLDPE and SBR into the mold from the through hole 6 in a proportion of 7: 3: 1, then cross-linked and foamed to form a honeycomb foaming body 7 connecting the insole 5 and the outsole 1, and the die is opened to obtain the puncture-resistant breathable sole.
Example 3
As shown in fig. 1, a method for preparing a puncture-resistant breathable sole for shoes comprises the following steps:
s1: dissolving aluminum nitrate and malic acid by using deionized water, heating to 85 ℃, adding a spinning additive PVP (polyvinyl pyrrolidone) for stirring for 12min, mixing acrylic resin and carbon nanotubes, adding the mixture, heating to 100 ℃ by using an ultrasonic crusher, carrying out ultrasonic stirring for 2h, concentrating the mixed solution, and cooling to normal temperature to obtain a spinning solution;
s2: treating the spinning solution by a centrifugal spinning machine, carrying out centrifugal spinning at the rotating speed of 2000rpm and the temperature of 65 ℃, then drying the spinning fiber in an oven at the temperature of 60 ℃ for 18h, and then sintering at the temperature of 1200 ℃ for 1h to obtain the composite fiber;
s3: mixing and heating polyol, a catalyst, a foaming agent, carbon fiber powder, a chain extender, a foam stabilizer and composite fibers to 110 ℃, then adding isocyanate, performing ultrasonic diffusion for 2 hours, and pouring the mixture into different molds for vulcanization after reaction for 1 hour to obtain an outsole 1 and an insole 5, wherein the outsole 1 is provided with a groove 3 extending from the middle part to the outer edge of the outsole, the insole 5 is provided with a through hole 6, and the through hole 6 is communicated with the groove 3;
s4: putting the outsole 1 and the midsole 5 into a mold together in a laminating manner, and uniformly putting EVA, LLDPE and SBR into the mold from the through hole 6 in a proportion of 7: 3: 1, adding a cross-linking agent DCP and an antioxidant at the same time, then carrying out cross-linking foaming to form a honeycomb foaming body 7 connecting the midsole 5 and the outsole 1, and opening the die to obtain the puncture-resistant breathable sole.
Example 4
As shown in fig. 1, a method for preparing a puncture-resistant breathable sole for shoes comprises the following steps:
s1: dissolving aluminum nitrate and malic acid by using deionized water, heating to 85 ℃, adding a spinning additive PVP (polyvinyl pyrrolidone) for stirring for 12min, mixing acrylic resin and carbon nanotubes, adding the mixture, heating to 100 ℃ by using an ultrasonic crusher, carrying out ultrasonic stirring for 2h, concentrating the mixed solution, and cooling to normal temperature to obtain a spinning solution;
s2: treating the spinning solution by a centrifugal spinning machine, carrying out centrifugal spinning at the rotating speed of 2000rpm and the temperature of 65 ℃, then drying the spinning fiber in an oven at the temperature of 60 ℃ for 18h, and then sintering at the temperature of 1200 ℃ for 1h to obtain the composite fiber;
s3: mixing and heating polyol, a catalyst, a foaming agent, carbon fiber powder, a chain extender, a foam stabilizer and composite fibers to 110 ℃, then adding isocyanate, performing ultrasonic diffusion for 2 hours, and pouring the mixture into different molds for vulcanization after reaction for 1 hour to obtain an outsole 1 and an insole 5, wherein the outsole 1 is provided with a groove 3 extending from the middle part to the outer edge of the outsole, the insole 5 is provided with a through hole 6, and the through hole 6 is communicated with the groove 3;
s4: putting the outsole 1 and the midsole 5 into a mold together in a laminating manner, and uniformly putting EVA, LLDPE and SBR into the mold from the through hole 6 in a proportion of 7: 3: 1, adding a cross-linking agent DCP, an antioxidant and an RB820 thermoplastic elastomer at the same time, then carrying out cross-linking foaming to form a honeycomb foaming body 7 for connecting the middle sole 5 and the outsole 1, and opening the mold to obtain the puncture-resistant breathable sole.
Example 5
As shown in fig. 1, a method for preparing a puncture-resistant breathable sole for shoes comprises the following steps:
s1: dissolving aluminum nitrate and malic acid by using deionized water, heating to 85 ℃, adding a spinning additive PVP (polyvinyl pyrrolidone) for stirring for 12min, mixing acrylic resin and carbon nanotubes, adding the mixture, heating to 100 ℃ by using an ultrasonic crusher, carrying out ultrasonic stirring for 2h, concentrating the mixed solution, and cooling to normal temperature to obtain a spinning solution;
s2: treating the spinning solution by a centrifugal spinning machine, carrying out centrifugal spinning at the rotating speed of 2000rpm and the temperature of 65 ℃, then drying the spinning fiber in an oven at the temperature of 60 ℃ for 18h, and then sintering at the temperature of 1200 ℃ for 1h to obtain the composite fiber;
s3: mixing and heating polyol, a catalyst, a foaming agent, carbon fiber powder, a chain extender, a foam stabilizer and composite fibers to 110 ℃, then adding isocyanate and carrying out ultrasonic diffusion for 2h, pouring the mixture into different molds for vulcanization after reaction for 1h to prepare an outsole 1 and an insole 5, wherein the outsole 1 is provided with a groove 3 extending from the middle part to the outer edge of the outsole, the insole 5 is provided with a through hole 6, the through hole 6 is communicated with the groove 3, the groove 3 comprises a plurality of extension grooves 2 which are positioned at the sole position of the outsole 1 and penetrate through the two sides of the outsole 1, the width of each extension groove 2 is 12mm, the depth of each extension groove is 4mm, the foot-attaching side of the insole 5 is provided with a settlement surface 4 covering the through hole 6, the settlement surface 4 is 3mm lower than the foot-attaching surface of the insole 5, a positioning structure for attaching the insole 5 and the outsole 1 is arranged between the insole and the outsole 1, the positioning structure comprises a convex column and, and the binding surface of the middle sole 5 and the outsole 1 is stuck with a polyurethane film;
s4: putting the outsole 1 and the midsole 5 into a mold together in a laminating manner, and uniformly putting EVA, LLDPE and SBR into the mold from the through hole 6 in a proportion of 7: 3: 1, adding a cross-linking agent DCP, an antioxidant and an RB820 thermoplastic elastomer at the same time, then carrying out cross-linking foaming to form a honeycomb foaming body 7 for connecting the middle sole 5 and the outsole 1, and opening the mold to obtain the puncture-resistant breathable sole.
Comparative example 1 is a conventional rubber puncture-resistant footwear sole, comparative example 2 is a puncture-resistant footwear sole manufactured according to patent publication No. CN103445387B, and comparative example 3 is substantially identical to example 1, except that acrylic resin and carbon nanotubes are not added.
Taking the soles prepared in example 1, example 2, example 3, example 4, example 5, comparative example 1, comparative example 2 and comparative example 3 respectively, the maximum force value of each sole material puncture is tested by referring to the national standard GB/T28288-2012, and the results are obtained as shown in Table 1:
TABLE 1
As can be seen from the results in Table 1, the maximum force value of the puncture of the soles prepared by the present invention is significantly higher than that of comparative examples 1, 2 and 3, thus having a significant puncture resistance effect;
the average values of the maximum adhesive force of the outsole 1 and the midsole 5 were measured using HT-3030 computer type tensile tester for the soles prepared in example 1, example 2, example 3, example 4, example 5 and comparative example 2, respectively, and the results shown in Table 2 were obtained:
TABLE 2
As can be seen from the results in Table 2, the shoe soles manufactured in example 5 have the largest adhesion force between the outsole 1 and the midsole 5, which is significantly higher than that of comparative example 2, and when the outsole 1 has adhesion force to the ground or other objects, the midsole 5 and the outsole 1 can be maximally prevented from being peeled off, thereby prolonging the service life thereof.
Taking the soles prepared in the embodiments 1, 2, 3, 4 and 5 respectively, using an air blowing device to perform intermittent air blowing in a manner of being tightly attached to the area of the sedimentation surface 4 of the insole 5, holding test paper in a hand and placing the test paper in the groove 3 on the side surface of the outsole 1, checking the swing condition of the test paper, and keeping the air blowing amount and the air blowing pressure of the air blowing device consistent during the test to obtain the results as shown in the table 3:
TABLE 3
As can be seen from the results in Table 2, examples 3, 4 and 5 are more effective in improving the air-permeable structure of the honeycomb foam 7 than examples 1 and 2, and it can be seen that the crosslinking agents DCP, antioxidants and RB820 thermoplastic elastomers are remarkably effective in improving the air-permeable structure of the honeycomb foam 7, and the effect of example 5 is the most excellent.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A preparation method of a puncture-resistant breathable sole is characterized by comprising the following steps:
s1: dissolving aluminum nitrate and malic acid by using deionized water, heating to 85 ℃, adding a spinning additive PVP (polyvinyl pyrrolidone) for stirring for 8-12min, mixing acrylic resin and carbon nanotubes, adding the mixture, heating to 100 ℃ by using an ultrasonic crusher, carrying out ultrasonic stirring for 2-3h, concentrating the mixed solution, and cooling to normal temperature to obtain a spinning solution;
s2: treating the spinning solution by a centrifugal spinning machine, carrying out centrifugal spinning at the rotating speed of 2000rpm and the temperature of 65 ℃, then drying the spinning fiber in an oven at the temperature of 60 ℃ for 12-18h, and then sintering at the temperature of 1200 ℃ for 1h to obtain the composite fiber;
s3: mixing and heating polyol, a catalyst, a foaming agent, carbon fiber powder, a chain extender, a foam stabilizer and composite fibers to 110 ℃ of temperature of 100-;
s4: and (3) attaching the outsole (1) and the midsole (5) together, putting the outsole and the midsole (5) into a mold, uniformly putting a foaming material into the mold from the through holes (6), performing cross-linking foaming to form a honeycomb foaming body (7) for connecting the midsole (5) and the outsole (1), and opening the mold to obtain the puncture-resistant breathable sole.
2. The method of claim 1, wherein the foam material is one or more of EVA, LLDPE and SBR.
3. The process for the preparation of a puncture-resistant breathable sole according to claim 2, characterized in that said foam material is prepared from EVA, LLDPE and SBR in a ratio of 7: 3: 1, and (b) a ternary blended foaming mixture.
4. The method as claimed in claim 3, wherein the foaming material of S4 contains crosslinking agent DCP and antioxidant.
5. The method for preparing a puncture-resistant breathable sole according to claim 4, wherein the RB820 thermoplastic elastomer is further mixed in the foam material in S4.
6. A method for preparing a puncture-resistant and breathable sole for shoes according to claim 1, characterized in that the plantar side of the mid-sole (5) is provided with a subsidence surface (4) covering the through holes (6), the subsidence surface (4) being 1-3mm lower than the plantar surface of the mid-sole (5).
7. A method for preparing a puncture-resistant and breathable sole for shoes according to claim 1, characterized in that said grooves (3) comprise a plurality of extension grooves (2) which are located at the sole of the outsole (1) and extend through both sides thereof, said extension grooves (2) having a width of 8-12mm and a depth of 4-8 mm.
8. The method for preparing a puncture-resistant and breathable sole according to claim 1, wherein a positioning structure is provided between the midsole (5) and the outsole (1) for fitting the midsole (5) and the outsole (1), the positioning structure comprises a convex column and a concave groove respectively provided on the midsole (5) and the outsole (1), and a polyurethane film is adhered to the fitting surfaces of the midsole (5) and the outsole (1).
9. The method for preparing a puncture-resistant breathable sole for shoes according to claim 1, wherein S3 is further mixed with acetylene black doped with pottery clay.
10. A puncture-resistant breathable labor insurance shoe, characterized by comprising a sole produced by the production method according to any one of claims 1 to 9.
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| CN202011431472.4A CN112568551A (en) | 2020-12-10 | 2020-12-10 | Preparation method of puncture-resistant breathable sole and labor protection shoe with same |
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| CN202011431472.4A CN112568551A (en) | 2020-12-10 | 2020-12-10 | Preparation method of puncture-resistant breathable sole and labor protection shoe with same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113876074A (en) * | 2021-08-22 | 2022-01-04 | 茂泰(福建)鞋材有限公司 | Byssus fiber breathable sole and preparation method thereof |
| CN114683603A (en) * | 2022-03-16 | 2022-07-01 | 达州市嘉源体育用品有限公司 | Preparation method of ultralight breathable sole |
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| CN102907820A (en) * | 2012-10-24 | 2013-02-06 | 曹平 | Sole and upper double-acting breathable type ventilating shoe |
| CN204742803U (en) * | 2015-05-18 | 2015-11-11 | 三斯达(福建)塑胶有限公司 | Bradyseism foaming sole |
| CN105542119A (en) * | 2016-01-20 | 2016-05-04 | 苏州市景荣科技有限公司 | Preparation method for anti-penetration polyurethane sole material |
| KR20180116926A (en) * | 2017-04-18 | 2018-10-26 | 한국신발피혁연구원 | rubber adhesive composition for outsole and midsole, shoes sole using the same and manufacturing method of shoes sole |
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| CN113876074A (en) * | 2021-08-22 | 2022-01-04 | 茂泰(福建)鞋材有限公司 | Byssus fiber breathable sole and preparation method thereof |
| CN114683603A (en) * | 2022-03-16 | 2022-07-01 | 达州市嘉源体育用品有限公司 | Preparation method of ultralight breathable sole |
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