Manufacturing process of antibacterial insole

Abstract

The manufacturing process comprises the following steps: step 1, selecting a carbon-containing raw material, drying the carbon-containing raw material at a high temperature, carbonizing the carbon-containing raw material under an anoxic condition, and then activating the carbon-containing raw material; 2, selecting zeolite, crushing the zeolite into zeolite powder, mixing the zeolite powder with the carbon-containing raw material activated in the step 1, and adjusting the pH value; step 3, extracting biological enzyme, performing fermentation culture on microorganisms of the efficient deodorizing enzyme, and performing separation, extraction and polymerization; and 4, stirring and mixing the raw materials in the steps 1, 2 and 3 with environment-friendly resin to prepare slurry, and transplanting the slurry to the surface layer of the insole. Compared with the prior art, the insole has the advantages that the effects of resisting bacteria, deodorizing and eliminating odor on beriberi are more durable, the odor can be reduced by 80% and is far better than that of similar products when the insole is continuously worn for 7 days, the antibacterial effect, odor molecule capture and bacterium decomposition odor removal can reach 99.9%, a self-heating effect is achieved on constant-temperature physical reaction of a human body, and the insole can be used for treating beriberi. Deodorant polymers are transplanted on the surface layers of the insoles to directly contact with the skin, so that effects are more effectively exerted.

Description

Technical Field

[0001] The present invention relates to the technical field of antibacterial insoles, and specifically to a manufacturing process of an antibacterial insole. Background Art

[0002] A large number of sweat glands are distributed on the soles of people's feet, making them prone to sweating. If the feet are in a humid and stuffy environment inside shoes for a long time, bacteria are likely to breed, which may further cause problems such as foot odor and athlete's foot. Therefore, an insole can be laid in the shoes to sterilize, prevent odor, and absorb sweat.

[0003] There are various types of existing insoles, and some of them have the function of antibacterial and deodorizing. For example, the invention patent with the Chinese patent publication number: CN102920103A provides an antibacterial and deodorizing insole, which includes: a surface cloth layer, a latex layer, and a water-absorbing layer disposed between the surface cloth layer and the latex layer. An antibacterial layer is also disposed between the water-absorbing layer and the latex layer.

[0004] Among the above-mentioned insoles, although they also have the effects of antibacterial and deodorizing, in actual application, we found that they still have certain deficiencies. The above-mentioned insoles have more layers, a complex manufacturing process, and the deodorizing and antibacterial effects are not ideal enough.

[0005] The information disclosed in this background art section is only intended to enhance the overall understanding of the present invention and should not be regarded as an admission or any form of suggestion that this information constitutes prior art already known to those of ordinary skill in the art. Summary of the Invention

[0006] The technical problem to be solved by the present invention is to overcome the above technical defects and provide a manufacturing process of an antibacterial insole, which has a more lasting effect on expanding bacteria, absorbing sweat, and eliminating odor of athlete's foot. When the insole is continuously worn for 7 days, the peculiar smell can be reduced by 80%, far exceeding similar products.

[0007] To solve the above problems, the technical solution of the present invention is: a manufacturing process of an antibacterial insole, including the following steps:

[0008] Step 1: Select a carbon-containing raw material, dry it at high temperature, carbonize it under anoxic conditions, and then perform an activation treatment;

[0009] Step 2: Select zeolite, crush it into zeolite powder, mix it with the carbon-containing raw material obtained by the activation treatment in Step 1, and adjust the PH;

[0010] Step 3: Extract bio-enzyme, and ferment and culture microorganisms of high-efficiency deodorizing enzyme for separation, extraction, and polymerization;

[0011] Step 4: Stir and mix the raw materials in Steps 1, 2, and 3 with an environmentally friendly resin to prepare a slurry, and transplant it to the surface layer of the insole.

[0012] Preferably, in step one, the carbon-containing raw materials include plant raw materials, coal raw materials, polymer raw materials, and biomass raw materials. The high-temperature drying temperature of the plant raw materials is 300-900°C, the high-temperature drying temperature of the coal raw materials is 900-1000°C, the high-temperature drying temperature of the polymer raw materials is 200-300°C, and the high-temperature drying temperature of the biomass raw materials is 500-800°C.

[0013] Preferably, in step two, the pH is 5-10.

[0014] Preferably, in step three, the pH during the fermentation process is 6.5-7.5.

[0015] Preferably, in step four, the insole is a multi-layer composite structure. The upper insole is made of bamboo charcoal fiber for adsorbing odors, the middle insole is made of nano-silver ions for inhibiting bacterial growth, and the lower insole is made of breathable polymer for supporting and ensuring air circulation.

[0016] Preferably, the ratio of activated carbon, zeolite, bio-enzyme, and microbial inoculant is 20-35% for activated carbon, 30-40% for zeolite, 15-25% for bio-enzyme, and 10-20% for microbial inoculant, and the rest is water solvent, totaling 100%.

[0017] The advantages of the present invention compared with the existing technology are as follows:

[0018] (1) Compared with the current market insoles in terms of odor prevention effect, the effect of this application on expanding bacteria, absorbing sweat, and eliminating odors is more persistent. When the insole is continuously worn for 7 days, the odor can be reduced by 80%, far exceeding similar products. The antibacterial effect of capturing bacteria and decomposing odors by odor molecules can reach 99.9%. It has a self-heating effect on the human body's constant temperature physical reaction. The deodorant polymer transplanted on the surface of the insole is in direct contact with the skin and can more effectively exert its function. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a sample diagram of the manufacturing process of an antibacterial insole of the present invention.

[0020] Figure 2 It is the antimicrobial activity of the antimicrobial agent in the manufacturing process of an antibacterial insole of the present invention under dynamic contact conditions Figure 1 , a is the control group of bacteria-1; b is the experimental group of bacteria-1.

[0021] Figure 3 It is the antimicrobial activity of the antimicrobial agent in the manufacturing process of an antibacterial insole of the present invention under dynamic contact conditions Figure 2 , a is the control group of bacteria-2; b is the experimental group of bacteria-2.

[0022] Figure 4 It is the antimicrobial activity of the antimicrobial agent in the production process of an antimicrobial insole of the present invention under dynamic contact conditions Figure 3 , where a is the control group of Bacteria-3; b is the experimental group of Bacteria-3.

[0023] Figure 5 It is the antimicrobial activity of the antimicrobial agent in the production process of an antimicrobial insole of the present invention under dynamic contact conditions Figure 4 , where a is the control group of Bacteria-4; b is the experimental group of Bacteria-4.

[0024] Figure 6 It is the antimicrobial activity of the antimicrobial agent in the production process of an antimicrobial insole of the present invention under dynamic contact conditions Figure 5 , where a is the control group of Bacteria-5; b is the experimental group of Bacteria-5.

[0025] Figure 7 It is a diagram of the antimicrobial insole of the present invention.

[0026] Figure 8 It is a structural diagram of the surface polymer of the insole of the present invention. Detailed implementation manners

[0027] In order to make the content of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0028] Embodiment 1

[0029] A production process of an antimicrobial insole includes the following steps:

[0030] Step 1: Select a carbon-containing raw material, dry it at high temperature, carbonize it under anoxic conditions, and then perform an activation treatment to achieve the effect of enhancing the adsorption of odors; the carbon-containing raw materials include plant-based raw materials, coal-based raw materials, polymer raw materials, and biomass-based raw materials. The high-temperature drying temperature of the plant-based raw materials is 300 - 900 °C, the high-temperature drying temperature of the coal-based raw materials is 900 - 1000 °C, the high-temperature drying temperature of the polymer raw materials is 200 - 300 °C, and the high-temperature drying temperature of the biomass-based raw materials is 500 - 800 °C.

[0031] Step 2: Select zeolite and crush it into zeolite powder, and mix it with the carbon-containing raw material treated by activation in Step 1 to enhance oxidation and adjust the pH to 5 - 10.

[0032] Step 3: Extract bioenzymes, and the microorganisms of the high-efficiency deodorizing enzyme are cultured by fermentation. The pH during the fermentation process is 6.5 - 7.5, and separation, extraction, and polymerization are carried out;

[0033] Step 4: Mix the raw materials in Steps 1, 2, and 3 with an environmentally friendly resin to prepare a slurry, and transplant it to the surface layer of the insole.

[0034] The insole is a multi-layer composite structure. The upper layer of the insole is made of bamboo charcoal fiber for adsorbing odors, the middle layer of the insole is made of nano silver ions for inhibiting bacteria growth, and the lower layer of the insole is made of a breathable polymer for supporting and ensuring air circulation.

[0035] The ratio of activated carbon, zeolite, bio-enzyme, and microbial inoculant is 20-35% for activated carbon, 30-40% for zeolite, 15-25% for bio-enzyme, and 10-20% for microbial inoculant, and the rest is water solvent, totaling 100%. The beneficial bacteria in the microbial inoculant can inhibit the growth of harmful bacteria and produce the effects of deodorization and bacteria expansion. Activated carbon has good adsorption performance, zeolite can adsorb and exchange gas molecules, and bio-enzyme plays a role by catalytically decomposing odor substances.

[0036] The present invention uses imported raw materials and extracts high-quality materials. Through research and development and synthesis, a material is further processed and debugged to synthesize an insole that can deodorize, expand bacteria, absorb sweat, and eliminate odors.

[0037] Deodorization experiment:

[0038] A. Hydrogen sulfide with a concentration of 99.8% and a relative humidity of (42.5±0.3)%.

[0039] B. Control fabric: Standard fabric (cotton). Non-ionic surfactant: Tween EN80 (0.05%). Test bacteria: Bacteria: (1) Escherichia coli ATCC25922. (2) Staphylococcus aureus ATCC6538. (3) Klebsiella pneumoniae ATCC4352. (4) Pseudomonas aeruginosa ATCC27853.

[0040] Submit a solid cutting material for testing.

[0041] Test results:

[0042] Determination of the deodorization performance of the deodorization product by the gas detection tube method (F1 T1 TM 0003:0002): %

[0043] #1 Odor reduction rate - Acetic acid 97.5 Formaldehyde 93.3 - Toluene 97.5 Benzene ＞97.5 - Methanethiol ＞99.3 - Trimethylamine 97.5

[0044] The sample size is 4.3 cm * 5.3 cm

[0045] Plastic bag capacity: 5L

[0046] Test gas volume: 3L

[0047] After time: 2H

[0048] Initial concentration: Acetic acid (50 ppm), formaldehyde (15 ppm), benzene (20 ppm), methyl mercaptan (8 ppm), trimethylamine (28 ppm)

[0049] Odor reduction rate (%) = ((B - A) / B) * 100

[0050] Where B is the average concentration of the test gas without the sample (μL / L or ppm)

[0051] A is the average concentration of the test gas in the sample (μL / L or ppm).

[0052] Bacterial test powder:

[0053] The submitted sample is in powder form.

[0054] Antimicrobial activity of the antimicrobial agent under dynamic contact conditions (ASTM E2149 - 20 (modified)): CFU / mL, bacterial reduction: %

[0055]

[0056]

[0057] The test is carried out using a contact time of 24H.

[0058] Sterilization of the sample is carried out at (121 ± 2) °C

[0059] Sample weight: 1.0 g

[0060] Buffer solution: 50 mg phosphate buffer (pH 7.2)

[0061] Test bacteria: Bacteria - 1 - Escherichia coli ATCC 25922.

[0062] Bacteria - 2 - Staphylococcus aureus ATCC 6538.

[0063] Bacteria - 3 - Salmonella typhimurium ATTC 14028

[0064] Bacteria - 4 - Klebsiella pneumoniae ATCC 4352.

[0065] Bacteria - 5 - Pseudomonas aeruginosa ATCC 27853.

[0066] When comparing the odor prevention effects of current market insoles, the insole of this application has a more lasting effect on expanding bacteria, absorbing sweat and eliminating odors caused by athlete's foot. When the insole is continuously worn for 7 days, the peculiar smell can be reduced by 80%, far exceeding similar products.

[0067] The above describes the present invention and its implementation manners, and such description is not restrictive. Generally speaking, if those of ordinary skill in the art are inspired by it and, without departing from the purpose of the present invention, design similar structural manners and embodiments to the technical solution without creative efforts, they shall fall within the protection scope of the present invention.

Claims

1. A process for producing an antibacterial insole, characterized in that: The following steps are involved: Step 1: Select carbon-containing raw materials, dry them at high temperature, carbonize them under oxygen-deficient conditions, and then activate them; Step 2: Select zeolite and crush it into zeolite powder, mix it with the carbon-containing raw material activated in step 1, and adjust the pH value; Step 3: Extracting biological enzymes, the microorganisms of efficient deodorizing enzymes are cultured by fermentation, separated, extracted and polymerized; Step 4: Mix the raw materials in steps 1, 2 and 3 with the environmentally friendly resin to prepare a slurry, and then transplant it to the surface of the insole.

2. The manufacturing process of an antibacterial insole according to claim 1, characterized in that: In step one, the carbon-containing raw materials include plant raw materials, coal raw materials, high molecular polymer raw materials and biomass raw materials. The plant raw materials are dried at a temperature of 300-900°C, the coal raw materials are dried at a temperature of 900-1000°C, the high molecular polymer raw materials are dried at a temperature of 200-300°C, and the biomass raw materials are dried at a temperature of 500-800°C.

3. The manufacturing process of the antibacterial insole according to claim 1, characterized in that: In step 2, the pH is 5-10.

4. The manufacturing process of the antibacterial insole according to claim 1, characterized in that: In step 3, the pH of the fermentation process is 6.5-7.

5.

5. The manufacturing process of the antibacterial insole according to claim 1, characterized in that: In step 4, the insole is a multi-layer composite structure, the upper layer of the insole is bamboo charcoal fiber for absorbing odor, the middle layer of the insole is nano silver ion for antibacterial inhibition of bacterial growth, and the lower layer of the insole is a breathable polymer for supporting and ensuring air circulation.

6. The manufacturing process of the antibacterial insole according to claim 1, characterized in that: The activated carbon, zeolite, biological enzyme and microbial agent are mixed in a proportion of 20-35% activated carbon, 30-40% zeolite, 15-25% biological enzyme, 10-20% microbial agent, and the rest is water solvent, which is 100% in total.

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