CN115160661A - High-temperature-resistant flame-retardant protective shoe and preparation method thereof - Google Patents
High-temperature-resistant flame-retardant protective shoe and preparation method thereof Download PDFInfo
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- CN115160661A CN115160661A CN202210623331.5A CN202210623331A CN115160661A CN 115160661 A CN115160661 A CN 115160661A CN 202210623331 A CN202210623331 A CN 202210623331A CN 115160661 A CN115160661 A CN 115160661A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/04—Plastics, rubber or vulcanised fibre
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2309/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
- C08J2309/02—Copolymers with acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2461/02—Condensation polymers of aldehydes or ketones only
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
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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)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention relates to the technical field of protective shoes, in particular to a high-temperature-resistant flame-retardant protective shoe and a preparation method thereof, wherein the high-temperature-resistant flame-retardant protective shoe comprises the following raw materials: nitrile rubber, polyamide resin, acetal resin, stone powder, zinc oxide, stearic acid, sulfur, factice, expanded and vitrified micro bubbles, glass wool, graphite powder, a foaming agent, a rubber accelerator, a plasticizer, a light stabilizer, a heat stabilizer, carbon fiber, an initiator, a lubricant and a compatilizer. The preparation method comprises the following steps: s1, preparing a polymer blend; s2, foaming the large sole of the protective shoe; s3, forming the protective shoes. Through being provided with polyamide resin, acetal resin and expanded and vitrified micro bubbles, not only make the protection shoes have nontoxic, intensity is high, the wearability is good, the fire resistance is good, toughness is good and impact resistance, and have light in weight, tensile strength is high, fatigue resistance is good and heat stability advantage such as good simultaneously, promoted user's experience greatly and felt, increased the life of protection shoes.
Description
Technical Field
The invention relates to the technical field of protective shoes, in particular to a high-temperature-resistant flame-retardant protective shoe and a preparation method thereof.
Background
The protective shoes are shoes with the function of safety protection for feet. The protective shoes have various types, such as toe protection, puncture resistance, insulation, acid and alkali resistance and the like, and the protective shoes usually comprise soles and upper surfaces connected with the soles. The patent with the publication number of CN109512075A at present discloses a protective shoe, which comprises an upper surface formed by fabric and leather, a rubber foamed MD middle sole and an RB outer sole of wear-resistant rubber; the anti-puncturing steel sheet is arranged at the half sole part of the sole of the protective shoe, so that the anti-puncturing function of the sole is increased, and the problem that the sole is punctured by steel nails when working in a special environment is solved. The above prior art solutions have the following drawbacks: the foot feeling is heavy, the function is single, the high temperature resistance and the flame retardance cannot be realized, and the discomfort of the foot can be caused after the shoe is worn for a long time.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a high-temperature-resistant flame-retardant protective shoe and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-temperature-resistant flame-retardant protective shoe and a preparation method thereof comprise the following raw materials in parts by weight: 250 parts of nitrile butadiene rubber, 160 parts of polyamide resin, 80 parts of acetal resin, 620 parts of stone powder, 70 parts of zinc oxide, 4 parts of stearic acid, 8 parts of sulfur, 9 parts of factice, 15 parts of expanded and vitrified micro bubbles, 25 parts of glass wool, 16 parts of graphite powder, 6 parts of foaming agent, 5 parts of rubber accelerator, 3 parts of plasticizer, 6 parts of light shielding agent, 5 parts of heat stabilizer, 6 parts of carbon fiber, 8 parts of initiator, 5 parts of lubricant and 4 parts of compatilizer.
As an optimized technical scheme, the foaming agent is sodium bicarbonate.
As an optimized technical scheme, the rubber accelerator is zinc diethyldithiocarbamate.
As an optimized technical scheme, the plasticizer is dimethyl phthalate.
As an optimized technical scheme, the light shielding agent is carbon black.
As an optimized technical scheme, the heat stabilizer is zinc stearate.
As an optimized technical scheme, the initiator is ammonium sulfate.
As an optimized technical scheme, the lubricant is fatty acid amide.
As an optimized technical scheme, the compatilizer is a maleic anhydride monomer compatilizer.
A preparation method of high-temperature-resistant flame-retardant protective shoes comprises the following steps:
s1: preparation of polymer blend: putting the raw materials of the protective shoes in parts by weight into a rubber mixing mill for mixing for 10-15min.
S2: foaming of the large sole of the protective shoe: and (3) foaming the mixed materials in a mold at 170-180 ℃ and 13-18MPa for 10min, cooling to room temperature, and demolding to obtain the protective shoe outsole.
S3: forming the protective shoes: and cutting and molding the vamp of the required protective shoe, then adhering and fixing the vamp on the protective shoe outsole prepared in the step S2, and pressurizing, finishing and shaping to obtain the finished protective shoe.
The invention has the beneficial effects that:
through being provided with polyamide resin, acetal resin and expanded and vitrified micro bubbles, not only make the protection shoes have nontoxic, intensity is high, the wearability is good, the fire resistance is good, toughness is good and shock resistance, and have light in weight, tensile strength is high, fatigue resistance is good and heat stability advantage such as good simultaneously, has promoted user's experience greatly and has felt, has increased the life of protection shoes.
Drawings
FIG. 1 is a flow chart of a method for manufacturing a high temperature resistant and flame retardant protective shoe according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
A high-temperature-resistant flame-retardant protective shoe and a preparation method thereof comprise the following raw materials in parts by weight: 250 parts of nitrile butadiene rubber, 160 parts of polyamide resin, 80 parts of acetal resin, 620 parts of stone powder, 70 parts of zinc oxide, 4 parts of stearic acid, 8 parts of sulfur, 9 parts of factice, 15 parts of expanded and vitrified micro bubbles, 25 parts of glass wool, 16 parts of graphite powder, 6 parts of foaming agent, 5 parts of rubber accelerator, 3 parts of plasticizer, 6 parts of light shielding agent, 5 parts of heat stabilizer, 6 parts of carbon fiber, 8 parts of initiator, 5 parts of lubricant and 4 parts of compatilizer.
In other embodiments, the foaming agent is sodium bicarbonate.
Through this design, the decomposable release carbon dioxide, it is effectual to foam, can improve the thermal-insulated effect of heat preservation of protection shoes, and possesses fire-retardant effect simultaneously.
In other embodiments, the rubber accelerator is zinc diethyldithiocarbamate.
Through the design, the vulcanizing effect can be promoted, the vulcanizing time is shortened, the vulcanizing temperature is reduced, the consumption of a vulcanizing agent is reduced, the physical and mechanical properties of rubber are improved, and the rubber has an anti-aging effect.
In other embodiments, the thermal stabilizer is zinc stearate.
Through this design, the thermal stability of protection shoes has been improved.
In other embodiments, the initiator is ammonium sulfate.
Through this design, the process of protection shoes adhesive solidification has been accelerated.
In other embodiments, the lubricant is a fatty acid amide.
Through the design, the function of reducing the cohesion among polymer molecules can be played in the polymer, so that the internal friction heat generation and the flowability of the protective shoe raw material are improved.
In other embodiments, the compatibilizer is a maleic anhydride monomer compatibilizer.
Through the design, two incompatible polymers are combined together by virtue of intermolecular bonding force, and the aim of stabilizing the blend is further fulfilled.
A preparation method of high-temperature-resistant flame-retardant protective shoes comprises the following steps:
s1: preparation of polymer blend: putting the raw materials of the protective shoes in parts by weight into a rubber mixing mill for mixing for 10-15min.
S2: foaming of the protective shoe outsole: and (3) foaming the mixed materials in a mold at 170-180 ℃ and 13-18MPa for 10min, cooling to room temperature, and demolding to obtain the protective shoe outsole.
S3: forming the protective shoes: and cutting and molding the vamp of the required protective shoe, then adhering and fixing the vamp on the protective shoe outsole prepared in the step S2, and pressurizing, finishing and shaping to obtain the finished protective shoe.
Through being provided with polyamide resin, acetal resin and expanded and vitrified micro bubbles, not only make the protection shoes have nontoxic, intensity is high, the wearability is good, the fire resistance is good, toughness is good and shock resistance, and have light in weight, tensile strength is high, fatigue resistance is good and heat stability advantage such as good simultaneously, has promoted user's experience greatly and has felt, has increased the life of protection shoes.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (11)
1. The high-temperature-resistant flame-retardant protective shoe is characterized by comprising the following raw materials in parts by weight: 240-300 parts of nitrile rubber, 120-180 parts of polyamide resin, 50-100 parts of acetal resin, 550-700 parts of stone powder, 50-80 parts of zinc oxide, 2-5 parts of stearic acid, 5-8 parts of sulfur, 8-12 parts of factice, 15-20 parts of expanded and vitrified micro bubbles, 15-35 parts of glass wool, 12-20 parts of graphite powder, 5-8 parts of foaming agent, 2-6 parts of rubber accelerator, 2-4 parts of plasticizer, 4-8 parts of light stabilizer, 3-8 parts of heat stabilizer, 5-6 parts of carbon fiber, 7-9 parts of initiator, 2-6 parts of lubricant and 2-6 parts of compatilizer.
2. The high-temperature-resistant flame-retardant protective shoe according to claim 1, characterized by comprising the following raw materials in parts by weight: 250 parts of nitrile butadiene rubber, 160 parts of polyamide resin, 80 parts of acetal resin, 620 parts of stone powder, 70 parts of zinc oxide, 4 parts of stearic acid, 8 parts of sulfur, 9 parts of factice, 15 parts of expanded and vitrified micro bubbles, 25 parts of glass wool, 16 parts of graphite powder, 6 parts of foaming agent, 5 parts of rubber accelerator, 3 parts of plasticizer, 6 parts of light shielding agent, 5 parts of heat stabilizer, 6 parts of carbon fiber, 8 parts of initiator, 5 parts of lubricant and 4 parts of compatilizer.
3. The footwear according to claim 1, wherein the foaming agent is sodium bicarbonate.
4. The high temperature resistant and flame retardant footwear according to claim 1, wherein the rubber accelerator is zinc diethyldithiocarbamate.
5. The footwear according to claim 1, wherein the plasticizer is dimethyl phthalate.
6. The footwear according to claim 1, wherein the light screening agent is carbon black.
7. The high temperature resistant and flame retardant footwear according to claim 1, wherein the heat stabilizer is zinc stearate.
8. The protective footwear according to claim 1, wherein said initiator is ammonium sulfate.
9. The footwear according to claim 1, wherein the lubricant is a fatty acid amide.
10. The footwear according to claim 1, wherein the compatibilizer is maleic anhydride monomer compatibilizer.
11. A method of manufacturing a protective shoe resistant to high temperatures and flame retardant according to any one of claims 1 to 10, comprising the steps of:
s1: preparation of polymer blend: putting the raw materials of the protective shoes in parts by weight into a rubber mixing mill for mixing for 10-15min.
S2: foaming of the protective shoe outsole: and (3) foaming the mixed materials in a mold at 170-180 ℃ and 13-18MPa for 10min, cooling to room temperature, and demolding to obtain the protective shoe outsole.
S3: forming the protective shoes: and cutting and molding the vamp of the required protective shoe, then adhering and fixing the vamp on the protective shoe outsole prepared in the step S2, and pressurizing, finishing and shaping to obtain the finished protective shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210623331.5A CN115160661A (en) | 2022-06-02 | 2022-06-02 | High-temperature-resistant flame-retardant protective shoe and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210623331.5A CN115160661A (en) | 2022-06-02 | 2022-06-02 | High-temperature-resistant flame-retardant protective shoe and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115160661A true CN115160661A (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210623331.5A Pending CN115160661A (en) | 2022-06-02 | 2022-06-02 | High-temperature-resistant flame-retardant protective shoe and preparation method thereof |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107177060A (en) * | 2017-07-11 | 2017-09-19 | 合肥康之恒机械科技有限公司 | A kind of sport footwear and preparation method thereof |
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- 2022-06-02 CN CN202210623331.5A patent/CN115160661A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107177060A (en) * | 2017-07-11 | 2017-09-19 | 合肥康之恒机械科技有限公司 | A kind of sport footwear and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 丁绍兰编著: "《革制品材料学》", vol. 1, 中国轻工业出版社, pages: 83 - 84 * |
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Application publication date: 20221011 |
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| RJ01 | Rejection of invention patent application after publication |