CN112192910A - Antibacterial and deodorant insole - Google Patents
Antibacterial and deodorant insole Download PDFInfo
- Publication number
- CN112192910A CN112192910A CN202011045013.2A CN202011045013A CN112192910A CN 112192910 A CN112192910 A CN 112192910A CN 202011045013 A CN202011045013 A CN 202011045013A CN 112192910 A CN112192910 A CN 112192910A
- Authority
- CN
- China
- Prior art keywords
- antibacterial
- layer
- moisture absorption
- stirring
- insole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 69
- 239000002781 deodorant agent Substances 0.000 title claims abstract description 25
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- 238000003756 stirring Methods 0.000 claims abstract description 35
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 28
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- 239000003054 catalyst Substances 0.000 claims abstract description 19
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- XUJNEKJLAYXESH-REOHCLBHSA-N L-Cysteine Chemical compound SC[C@H](N)C(O)=O XUJNEKJLAYXESH-REOHCLBHSA-N 0.000 claims description 12
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- 230000001954 sterilising effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
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- 244000005700 microbiome Species 0.000 description 1
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- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 208000013460 sweaty Diseases 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- Health & Medical Sciences (AREA)
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- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention discloses an antibacterial and deodorant insole which comprises a moisture absorption layer, an antibacterial layer and a bottom layer, wherein the moisture absorption layer is formed by blending bamboo fibers, cotton fibers and jute fibers; the bottom layer is a polyurethane layer, polyvinyl alcohol, isocyanate, a catalyst, a surfactant, a foaming agent and a pore-forming agent are sequentially added into a stirring barrel, stirred, poured into a mold, locked and demoulded to obtain a polyurethane layer insole; the antibacterial layer is prepared by adding Chinese gall water extract, sodium alginate, ferric trichloride, polyethyleneimine and titanium dioxide into distilled water, stirring, then adding citric acid and L-cysteine, stirring, performing ultrasonic treatment to obtain printing liquid, and forming a gel film by 3D printing; and (3) gluing the lower surface of the antibacterial layer and the upper surface of the moisture absorption layer by using viscose, gluing the lower surface of the moisture absorption layer and the upper surface of the polyurethane layer by using viscose, and performing compression molding by using a press to obtain the antibacterial deodorizing insole. The insole of the invention still keeps excellent antibacterial and deodorant effects after being washed for 10 times.
Description
Technical Field
The invention belongs to the field of preparation of living materials, and particularly relates to an antibacterial and deodorant insole.
Background
With the improvement of living standard and the enhancement of health and environmental protection consciousness of people, the requirements of people on shoes are gradually expanded from softness, comfort, moisture absorption, ventilation, wind and rain prevention and the like to the aspects of mould prevention, moth prevention, sterilization, deodorization, health care, no toxicity and the like. Especially in summer and after sports, because the sweat secretion is increased sharply, microorganisms are propagated at high speed, and organic matters in the sweat are decomposed in a large amount to generate stink, so that a series of foot diseases such as foot stink, tinea pedis, dermatophytosis and the like are caused in the past, and the physical and mental health of people is directly influenced. Therefore, the antibacterial material added on the insole to relieve or inhibit a series of foot diseases such as foot odor, tinea pedis, dermatophytosis and the like becomes a hot point of research and development of people.
At present, a multilayer insole system is designed in most of schemes for solving the problem of foot odor, materials with sweat absorption and antibiosis are added in the insole system to enable the insole to prevent sweaty feet and foot odor, a medicine layer or an adsorption layer is arranged on the insole, the medicine layer is sterilized by medicines, the medicines lose efficacy along with the prolonging of the service time of the insole, chemical substances released by the medicines can cause harm to human bodies, and meanwhile, the medicines can generate medicine resistance by bacteria after long-time use; the absorption layer comprises two types of absorption sweat and absorption odor, wherein the absorption sweat mostly adopts a polymer with high absorption characteristic as an absorbent, and the absorption odor usually adopts a substance (such as active carbon) with a large specific surface area to absorb the odor in a physical absorption mode. However, the high polymer adsorption layer for adsorbing water can swell after adsorbing water to reduce air permeability; the active carbon substances for physically adsorbing odor can be saturated in adsorption, and can lose the effect once saturated, and the physical adsorption only adsorbs and removes odor, cannot achieve the bacteriostatic effect, cannot fundamentally solve the problem of foot odor, and cannot achieve the effects of sterilizing and deodorizing for a long time and inhibiting bacterial growth.
Disclosure of Invention
Based on the defects of the prior art, the invention aims to provide an antibacterial and deodorant insole, which adopts the technical scheme that: the antibacterial fabric comprises a moisture absorption layer, an antibacterial layer and a bottom layer, wherein the moisture absorption layer is a fiber mesh layer; the bottom layer is a polyurethane layer; the antibacterial layer is made of a polymer material and is prepared by adopting a 3D printing technology;
the preparation method of the antibacterial deodorizing insole comprises the steps of adhering the lower surface of the antibacterial layer and the upper surface of the moisture absorption layer by using viscose glue, adhering the lower surface of the moisture absorption layer and the upper surface of the polyurethane layer by using viscose glue, and performing compression molding by using a press to obtain the antibacterial deodorizing insole.
Preferably, the moisture absorption layer is formed by blending bamboo fibers, cotton fibers and jute fibers.
Preferably, the preparation method of the antibacterial layer comprises the following steps:
s1: preparing water extract of Galla chinensis.
S2: adding the gallnut water extract, sodium alginate, ferric trichloride, polyethyleneimine and titanium dioxide into distilled water, stirring, then adding citric acid and L-cysteine, stirring for 1-2 h at 60-70 ℃, cooling and ultrasonically treating for 20min to obtain a printing solution, and forming a gel film by adopting 3D printing.
S3: and soaking the gel film in a calcium chloride aqueous solution, aging for 2-5 h, and placing the gel film in a vacuum drying oven to obtain the antibacterial layer film.
Preferably, the preparation method of the gallnut water extract comprises the following steps: grinding nutgall by using a grinder, sieving the nutgall by using a 100-mesh sieve, drying the nutgall at 50 ℃, adding the nutgall into distilled water, soaking the nutgall for 24 hours, heating the nutgall to 80-95 ℃, stirring the nutgall for 1-2 hours, centrifuging, filtering, evaporating and spin-drying filtrate, and freeze-drying the filtrate into powder.
More preferably, the rotary evaporation of the filtrate is carried out at 60 to 68 ℃.
According to the preferable scheme, the mass ratio of the gallnut water extract, the sodium alginate, the ferric trichloride, the polyethyleneimine and the titanium dioxide is 1.2-2.2: 2-3.5: 0.8-1.4: 6-9: 0.96-1.23.
Preferably, the mass ratio of the citric acid to the L-cysteine is 1: 0.9-1.1.
Preferably, the concentration of the calcium chloride aqueous solution is 0.3-0.45 mol/L.
Preferably, the method for preparing the polyurethane layer includes: sequentially adding polyvinyl alcohol, isocyanate, a catalyst, a surfactant, a foaming agent and a pore-forming agent into a stirring barrel, stirring for 10-15 min, pouring into a mold, clamping the mold at the temperature of 50 ℃ for 30-45 min, wherein the weight ratio of the polyvinyl alcohol to the isocyanate to the catalyst to the surfactant to the foaming agent to the pore-forming agent is 1:1:0.002:0.001:0.002:0.005, and demolding to obtain the polyurethane layer insole.
Preferably, the catalyst is 1027 amine gel catalyst.
Preferably, the surfactant is 9406 silicone oil.
Preferably, the blowing agent is water or a low boiling point compound.
Preferably, the pore former is rubber powder.
The invention has the following beneficial effects:
(1) the antibacterial and deodorant insole is comfortable and soft to wear, the bamboo fibers, the cotton fibers, the jute fibers and the bottom polyurethane layer of the moisture absorption layer have good moisture absorption performance, the antibacterial layer has certain antibacterial performance by adding the Chinese gall extract and the sodium alginate, and has the effects of sterilizing and deodorizing for a long time and inhibiting bacteria from breeding, so that the problems of foot sweat and foot odor are solved, meanwhile, the insole is long in service time, and the insole does not need to be frequently replaced.
(2) The antibacterial layer of the antibacterial and deodorant insole is added with titanium dioxide substances which have the property of refracting ultraviolet rays, and in the process of drying after washing, the titanium dioxide in the antibacterial layer at the middle layer refracts the ultraviolet rays to the moisture absorption layer, so that the ultraviolet rays are utilized to further kill bacteria on the insole.
Detailed Description
The following examples are provided for the purpose of illustration, and the present invention is not limited to the following examples.
Example 1
An antibacterial and deodorant insole specifically comprises the following steps:
the moisture absorption layer is formed by blending bamboo fibers, cotton fibers and jute fibers.
The preparation method of the antibacterial layer comprises the following steps:
s1: pulverizing Galla chinensis with pulverizer, sieving with 100 mesh sieve, drying at 50 deg.C, soaking in distilled water for 24 hr, heating to 80 deg.C, stirring for 1 hr, centrifuging, filtering, evaporating the filtrate at 60 deg.C, and freeze drying to obtain powder.
S2: adding a Chinese gall water extract, sodium alginate, ferric trichloride, polyethyleneimine and titanium dioxide into distilled water, stirring, wherein the mass ratio of the Chinese gall water extract to the sodium alginate to the ferric trichloride to the polyethyleneimine to the titanium dioxide is 1.2:2:0.8:6:0.96, then adding citric acid and L-cysteine, stirring at 60 ℃ for 1h, wherein the mass ratio of the citric acid to the L-cysteine is 1:0.9, cooling and ultrasonically treating for 20min to obtain a printing solution, and forming a gel film by adopting 3D printing.
S3: and soaking the gel film in a calcium chloride aqueous solution with the concentration of 0.3mol/L, aging for 2 hours, and placing the gel film in a vacuum drying oven to obtain the antibacterial layer film.
The preparation method of the polyurethane layer comprises the following steps: sequentially adding polyvinyl alcohol, isocyanate, 1027 amine gel catalyst, 9406 silicone oil, water (or low-boiling-point compound) and rubber powder into a stirring barrel, stirring for 10min, pouring into a mold, locking the mold at the temperature of 50 ℃ for 30min, wherein the weight ratio of the polyvinyl alcohol, the isocyanate, the catalyst, the surfactant, the water and the rubber powder is 1:1:0.002:0.001:0.002:0.005, and demolding to obtain the polyurethane layer insole.
And (3) gluing the lower surface of the antibacterial layer and the upper surface of the moisture absorption layer by using viscose, gluing the lower surface of the moisture absorption layer and the upper surface of the polyurethane layer by using viscose, and performing compression molding by using a press to obtain the antibacterial deodorizing insole.
Example 2
An antibacterial and deodorant insole specifically comprises the following steps:
the moisture absorption layer is formed by blending bamboo fibers, cotton fibers and jute fibers.
The preparation method of the antibacterial layer comprises the following steps:
s1: pulverizing Galla chinensis with pulverizer, sieving with 100 mesh sieve, drying at 50 deg.C, soaking in distilled water for 24 hr, heating to 95 deg.C, stirring for 2 hr, centrifuging, filtering, evaporating the filtrate at 68 deg.C, and freeze drying to obtain powder.
S2: adding a Chinese gall water extract, sodium alginate, ferric trichloride, polyethyleneimine and titanium dioxide into distilled water, stirring, adding citric acid and L-cysteine, stirring at 70 ℃ for 2h, wherein the mass ratio of the citric acid to the L-cysteine is 1:1.1, cooling and ultrasonically treating for 20min to obtain a printing solution, and forming a gel film by adopting 3D printing.
S3: and soaking the gel film in a calcium chloride aqueous solution with the concentration of 0.45mol/L, aging for 5 hours, and placing the gel film in a vacuum drying oven to obtain the antibacterial layer film.
The preparation method of the polyurethane layer comprises the following steps: sequentially adding polyvinyl alcohol, isocyanate, a 1027 amine gel catalyst, 9406 silicone oil, water (or a low-boiling-point compound) and rubber powder into a stirring barrel, stirring for 15min, pouring into a mold, locking the mold for 45min at the temperature of 50 ℃, wherein the weight ratio of the polyvinyl alcohol, the isocyanate, the catalyst, the 9406 silicone oil, the water and the rubber powder is 1:1:0.002:0.001:0.002:0.005, and demolding to obtain the polyurethane layer insole.
And (3) gluing the lower surface of the antibacterial layer and the upper surface of the moisture absorption layer by using viscose, gluing the lower surface of the moisture absorption layer and the upper surface of the polyurethane layer by using viscose, and performing compression molding by using a press to obtain the antibacterial deodorizing insole.
Example 3
An antibacterial and deodorant insole specifically comprises the following steps:
the moisture absorption layer is formed by blending bamboo fibers, cotton fibers and jute fibers.
The preparation method of the antibacterial layer comprises the following steps:
s1: pulverizing Galla chinensis with pulverizer, sieving with 100 mesh sieve, drying at 50 deg.C, soaking in distilled water for 24 hr, heating to 85 deg.C, stirring for 1.5 hr, centrifuging, filtering, evaporating the filtrate at 65 deg.C, and freeze drying to obtain powder.
S2: adding a Chinese gall water extract, sodium alginate, ferric trichloride, polyethyleneimine and titanium dioxide into distilled water, stirring, wherein the mass ratio of the Chinese gall water extract to the sodium alginate to the ferric trichloride to the polyethyleneimine to the titanium dioxide is 1.8:2.8:1:7:1.06, then adding citric acid and L-cysteine, stirring at 65 ℃ for 1h, wherein the mass ratio of the citric acid to the L-cysteine is 1:0.95, cooling and ultrasonically treating for 20min to obtain a printing solution, and forming a gel film by adopting 3D printing.
S3: and soaking the gel film in a calcium chloride aqueous solution with the concentration of 0.35mol/L, aging for 3 hours, and placing the gel film in a vacuum drying oven to obtain the antibacterial layer film.
The preparation method of the polyurethane layer comprises the following steps: sequentially adding polyvinyl alcohol, isocyanate, 1027 amine gel catalyst, 9406 silicone oil, water (or low-boiling-point compound) and rubber powder into a stirring barrel, stirring for 15min, pouring into a mold, locking the mold for 35min at the temperature of 50 ℃, wherein the weight ratio of the polyvinyl alcohol, the isocyanate, the catalyst, the surfactant, the water and the rubber powder is 1:1:0.002:0.001:0.002:0.005, and demolding to obtain the polyurethane layer insole.
And (3) gluing the lower surface of the antibacterial layer and the upper surface of the moisture absorption layer by using viscose, gluing the lower surface of the moisture absorption layer and the upper surface of the polyurethane layer by using viscose, and performing compression molding by using a press to obtain the antibacterial deodorizing insole.
Example 4
An antibacterial and deodorant insole specifically comprises the following steps:
the moisture absorption layer is formed by blending bamboo fibers, cotton fibers and jute fibers.
The preparation method of the antibacterial layer comprises the following steps:
s1: pulverizing Galla chinensis with pulverizer, sieving with 100 mesh sieve, drying at 50 deg.C, soaking in distilled water for 24 hr, heating to 90 deg.C, stirring for 2 hr, centrifuging, filtering, evaporating the filtrate at 66 deg.C, and freeze drying to obtain powder.
S2: adding a Chinese gall water extract, sodium alginate, ferric trichloride, polyethyleneimine and titanium dioxide into distilled water, stirring, wherein the mass ratio of the Chinese gall water extract to the sodium alginate to the ferric trichloride to the polyethyleneimine to the titanium dioxide is 2:3:1.3:8:1.15, then adding citric acid and L-cysteine, stirring at 70 ℃ for 1h, wherein the mass ratio of the citric acid to the L-cysteine is 1:1.05, cooling, performing ultrasonic treatment for 20min to obtain a printing solution, and forming a gel film by adopting 3D printing.
S3: and soaking the gel film in a calcium chloride aqueous solution with the concentration of 0.4mol/L, aging for 4 hours, and placing the gel film in a vacuum drying oven to obtain the antibacterial layer film.
The preparation method of the polyurethane layer comprises the following steps: sequentially adding polyvinyl alcohol, isocyanate, 1027 amine gel catalyst, 9406 silicone oil, water (or low-boiling-point compound) and rubber powder into a stirring barrel, stirring for 15min, pouring into a mold, locking the mold for 40min at the temperature of 50 ℃, wherein the weight ratio of the polyvinyl alcohol, the isocyanate, the catalyst, the surfactant, the water and the rubber powder is 1:1:0.002:0.001:0.002:0.005, and demolding to obtain the polyurethane layer insole.
And (3) gluing the lower surface of the antibacterial layer and the upper surface of the moisture absorption layer by using viscose, gluing the lower surface of the moisture absorption layer and the upper surface of the polyurethane layer by using viscose, and performing compression molding by using a press to obtain the antibacterial deodorizing insole.
Comparative example 1
The preparation method of the insole specifically comprises the following steps:
sequentially adding polyvinyl alcohol, isocyanate, 1027 amine gel catalyst, 9406 silicone oil, water (or low-boiling-point compound) and rubber powder into a stirring barrel, stirring for 15min, pouring into a mold, locking the mold for 40min at the temperature of 50 ℃, wherein the weight ratio of the polyvinyl alcohol, the isocyanate, the catalyst, the surfactant, the water and the rubber powder is 1:1:0.002:0.001:0.002:0.005, and demolding to obtain the polyurethane layer insole.
Performance test experiments:
the water absorption and antibacterial performance tests were performed on the insoles prepared in examples 1 to 4 and comparative example 1, and the test results are shown in table 1; the water absorption and antibacterial property tests were performed on the insoles prepared in examples 1 to 4 and comparative example 1 after washing 10 times, and the test results are shown in table 2, which is the average of the results of three parallel tests.
Measurement of Water absorption: cutting the insoles prepared in the embodiments 1-4 and the comparative example 1 into small pieces of 2 x 2cm by using scissors, placing the small pieces in a drying box, drying the small pieces at 80 ℃ to constant weight, weighing the dried insole samples, respectively placing the weighed insole samples into beakers, adding an absorption medium, filtering out a free medium by using nylon cloth after the insole samples are saturated by absorption, absorbing the water on the surface by using the nylon cloth, and weighing the weight of the insole samples; the water absorption of the insole was calculated using the following formula: q (g/g) ═ Wt-W0)/W0In the formula: w0、WtThe weights of the sample before and after imbibing are respectively measured.
And (3) antibacterial testing: according to the national standard GB/20944.3-2008, evaluation part 3 of antibacterial performance of textiles: the method of the oscillation method is used for testing, the antibacterial performance of the sample is evaluated through the bacteriostasis rate, and the calculation formula is as follows: XS ═ a-B)/a, wherein: XS is bacteriostatic rate (%); a is the average colony number of the sample to be tested before oscillation; and B is the average colony number of the tested sample after oscillation, and if the average colony number after oscillation is larger than the average colony number before oscillation, the bacteriostasis rate is calculated as 0.
TABLE 1 test results
As can be seen from Table 1, the water absorption rate of the insoles prepared in examples 1 to 4 is more than 415g/g, and the bacteria rate is more than 95%, compared with the insoles prepared in comparative example 1, the insoles have excellent water absorption effect and bacteria inhibition effect, the water absorption effect is excellent, the moisture in the shoes can be better prevented, bacteria are bred, the air permeability is better, and peculiar smell is less generated.
TABLE 2 test results after 10 washes
As can be seen from Table 2, after being washed by water for 10 times, the water absorption rate of the insole prepared by the invention is still kept above 410g/g, the bacteriostasis rate is above 94%, and the insole has good moisture absorption, deodorization and bacteriostasis effects, which indicates that the insole can be used for a long time.
Claims (11)
1. An antibacterial and deodorant insole is characterized in that the technical scheme is as follows: the antibacterial fabric comprises a moisture absorption layer, an antibacterial layer and a bottom layer, wherein the moisture absorption layer is a fiber mesh layer; the bottom layer is a polyurethane layer; the antibacterial layer is made of a polymer material and is prepared by adopting a 3D printing technology; the moisture absorption layer is formed by blending bamboo fibers, cotton fibers and jute fibers.
2. The antibacterial and deodorant insole according to claim 1, wherein the preparation method of the antibacterial layer comprises the following steps:
s1: preparing water extract of Chinese gall;
s2: adding the gallnut water extract, sodium alginate, ferric trichloride, polyethyleneimine and titanium dioxide into distilled water, stirring, then adding citric acid and L-cysteine, stirring at 60-70 ℃ for 1-2 h, cooling and ultrasonically treating for 20min to obtain a printing solution, and forming a gel film by adopting 3D printing;
s3: and soaking the gel film in a calcium chloride aqueous solution, aging for 2-5 h, and placing the gel film in a vacuum drying oven to obtain the antibacterial layer film.
3. The antibacterial and deodorant insole according to claim 1, wherein the preparation method of the polyurethane layer comprises the following steps: sequentially adding polyvinyl alcohol, isocyanate, a catalyst, a surfactant, a foaming agent and a pore-forming agent into a stirring barrel, stirring for 10-15 min, pouring into a mold, clamping the mold at the temperature of 50 ℃ for 30-45 min, wherein the weight ratio of the polyvinyl alcohol to the isocyanate to the catalyst to the surfactant to the foaming agent to the pore-forming agent is 1:1:0.002:0.001:0.002:0.005, and demolding to obtain the polyurethane layer insole.
4. The antibacterial and deodorant insole according to claim 1, wherein the preparation method of the antibacterial and deodorant insole comprises the steps of adhering the lower surface of the antibacterial layer and the upper surface of the moisture absorption layer with adhesive, adhering the lower surface of the moisture absorption layer and the upper surface of the polyurethane layer with adhesive, and performing press forming by using a press machine to obtain the antibacterial and deodorant insole.
5. The antibacterial and deodorant insole according to claim 2, wherein the preparation method of the water extract of gallnut comprises: grinding nutgall by using a grinder, sieving the nutgall by using a 100-mesh sieve, drying the nutgall at 50 ℃, adding the nutgall into distilled water, soaking the nutgall for 24 hours, heating the nutgall to 80-95 ℃, stirring the nutgall for 1-2 hours, centrifuging, filtering, evaporating and spin-drying filtrate, and freeze-drying the filtrate into powder.
6. The antibacterial and deodorant insole according to claim 5, wherein the filtrate is subjected to rotary evaporation at 60-68 ℃.
7. The antibacterial and deodorant insole according to claim 2, wherein the mass ratio of the gallnut water extract, the sodium alginate, the ferric trichloride, the polyethyleneimine and the titanium dioxide is 1.2-2.2: 2-3.5: 0.8-1.4: 6-9: 0.96-1.23.
8. The antibacterial and deodorant insole according to claim 2, wherein the mass ratio of citric acid to L-cysteine is 1: 0.9-1.1.
9. The antibacterial and deodorant insole according to claim 2, wherein the concentration of the calcium chloride aqueous solution is 0.3-0.45 mol/L.
10. The antibacterial and deodorant insole according to claim 3, wherein said catalyst is 1027 amine gel catalyst.
11. The antibacterial and deodorant insole according to claim 3, wherein the surfactant is 9406 silicone oil, the pore-forming agent is rubber powder, and the pore-forming agent is rubber powder.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113662328A (en) * | 2021-09-01 | 2021-11-19 | 东莞尊荣鞋业有限公司 | Antibacterial insole |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113662328A (en) * | 2021-09-01 | 2021-11-19 | 东莞尊荣鞋业有限公司 | Antibacterial insole |
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