CN108741408B - Insole with health care effect and preparation method thereof - Google Patents
Insole with health care effect and preparation method thereof Download PDFInfo
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- CN108741408B CN108741408B CN201810352973.XA CN201810352973A CN108741408B CN 108741408 B CN108741408 B CN 108741408B CN 201810352973 A CN201810352973 A CN 201810352973A CN 108741408 B CN108741408 B CN 108741408B
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
- A43B17/003—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined characterised by the material
- A43B17/006—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined characterised by the material multilayered
Abstract
The invention discloses an insole with health care effect and a preparation method thereof. The preparation method comprises the following steps: the prepared fragrant microcapsule is arranged on the cotton fabric of the organosilicon quaternary ammonium salt antibacterial agent; selecting cloth for manufacturing the insole, and cutting each layer of material into the shape of the insole; the insole comprises a spandex fiber cloth layer, a cotton cloth layer, three non-woven fabric layers, a cotton cloth layer, a bamboo charcoal fiber cloth layer and a spandex fiber cloth layer from bottom to top in sequence; and adding glue into the layers in the mould to compound the layers into a whole to form the insole. The beneficial effects are that: the insole can effectively inhibit the breeding of bacteria on the foot and cover foot odor, has good use performance, and can keep the sole of the foot healthy in the process of wearing shoes; the preparation method is simple and feasible, and can prevent the insole from wrinkling and keep the original smooth appearance.
Description
Technical Field
The invention relates to the technical field of insoles, in particular to an insole with a health-care effect and a preparation method thereof.
Background
With the increasing of the environmental problems of the modern society, more and more bacteria, microorganisms and harmful fungi invade the life of people, and cause the generation of a plurality of diseases and some troubles in life. In daily life, particularly after a large amount of exercise, sweat discharged from the body provides a good growth environment for the growth of microorganisms. Therefore, it is particularly important to impart certain antimicrobial properties to the garment material. For clothes and shoes, most of them have an antibacterial function by adding an antibacterial agent. Inorganic antimicrobial agents are widely used in textiles. The feet are one of important parts of a human body, and because the shoes are worn everyday, the feet are covered in the shoes to influence normal metabolism, and a plurality of foot diseases, such as rheumatism, rheumatoid arthritis, dermatophytosis, foot cold, foot odor and the like, can be caused. The existing insole is only used as a part of the support of the shoe and has certain softness. However, the air permeability of many shoes is poor, so that bacteria on the feet are bred in the wearing process, and the skin normality of the feet is affected. Therefore, the thorough cure of the beriberi becomes a great problem which needs to be solved urgently.
Disclosure of Invention
One of the purposes of the invention is to provide an insole which can effectively inhibit the growth of bacteria on feet, cover foot odor, has good use performance and has the health care effect of protecting the soles of the feet when people wear shoes.
The second purpose of the invention is to provide a preparation method of the insole with health care function, which is simple and feasible, can prevent the insole from wrinkling and keep the original smooth appearance.
Aiming at the problems mentioned in the technology, the invention adopts the technical scheme that:
the shoe pad with health care effect, the cotton cloth layer for the shoe pad contains essential oil microcapsules, and the preparation method of the essential oil microcapsules comprises the following steps: dissolving lemon essential oil in ethanol, slowly pouring into saturated beta-cyclodextrin water solution, adding glyceraldehyde, stirring, standing the prepared microcapsule emulsion at 2-6 deg.C for 20-30h, vacuum filtering, and drying at low temperature to constant weight to obtain essential oil microcapsule. The preparation method has the advantages of high embedding rate and high yield, the prepared essential oil microcapsules have uniform particle size distribution, the microcapsules with the particle size of 10 mu m account for more than 90 percent, the prepared microcapsules can effectively kill a large amount of bacteria, achieve the aim of treating foot odor, simultaneously have the effects of contracting capillaries, relieving itching, slowing down inflammation and burning, can also remove vivotoxin, play a good role in improving eczema and addiction generated by skin, can cover the foot odor, and ensure that the insole has a good health-care function.
Preferably, the ratio of R form to S form in glyceraldehyde is from 55 to 60: 1. The addition of glyceraldehyde can reduce Van der Waals force between molecules of the lemon essential oil, so that the particle size of the lemon essential oil is rapidly reduced under the condition of stirring, the lemon essential oil can enter a cyclodextrin cavity more easily, meanwhile, groups on glyceraldehyde and beta-cyclodextrin are mutually crosslinked through molecular acting force or electrostatic interaction to form a polymer with a net structure, the lemon essential oil is wrapped in the polymer in the process of forming microspheres through mutual crosslinking, the stability of subsequent essential oil microcapsules is improved, the addition of glyceraldehyde can improve the dispersibility of the lemon essential oil molecules and the beta-cyclodextrin in a continuous phase of water and ethanol blending, the lemon essential oil molecules and the beta-cyclodextrin are further well wrapped by the cyclodextrin, the embedding rate and the yield of the essential oil microcapsules are improved, the sterilization effect of the essential oil microcapsules is further improved, and the sterilization and health-care functions of insoles are finally improved.
Preferably, the volume ratio of the lemon essential oil to the ethanol is 1:8-12, and the weight ratio of the lemon essential oil to the beta-cyclodextrin is 1: 7-9.
Preferably, the stirring temperature is 45-55 ℃, the stirring speed is 800-.
Preferably, the insole comprises three non-woven fabric layers, two cotton fabric layers, a polyurethane foaming layer and three spandex fiber fabric layers. This shoe-pad passes through the design of essential oil microcapsule cotton layer and each bed of cloth, can ensure that essential oil microcapsule cotton layer is firm to be persisted in sole inside, can effectual inhibition bacterial growing on the foot, makes and to wear the shoes in-process and can keep healthy to the sole, and the effect is obvious.
The preparation method of the insole with health care effect is characterized in that: the method comprises the following steps:
finishing cotton fabrics: the prepared fragrant microcapsule is arranged on the cotton fabric of the organosilicon quaternary ammonium salt antibacterial agent;
selecting materials: selecting cloth for making insole, including three non-woven fabric layers, two cotton cloth layers, two spandex fiber cloth layers and a bamboo charcoal fiber cloth layer, and cutting each layer of material into insole shape;
preparing the insole: the insole comprises a spandex fiber cloth layer, a cotton cloth layer, three non-woven fabric layers, a cotton cloth layer, a bamboo charcoal fiber cloth layer and a spandex fiber cloth layer from bottom to top in sequence;
and (3) composite molding: and adding glue into the layers in the mould to compound the layers into a whole to form the insole. The insole has the advantages that the preparation method is simple, the insole can be produced in a large scale, the prepared insole has the functions of resisting fungi and covering foot odor, the sole can be kept healthy in the shoe wearing process, the insole can be prevented from wrinkling, the original smooth appearance is kept, and the service performance of the insole is improved.
Preferably, the cotton fabric finishing method comprises the following specific steps: adding a cross-linking agent into 45-55 (g/L) essential oil microcapsule emulsion, wherein the weight ratio of the cross-linking agent to the essential oil microcapsule is 1:0.4-0.6, adopting a two-dipping and two-rolling method, the rolling residual rate is 65-75%, the pre-baking temperature is 65-75 ℃, the time is 2-3min, the baking temperature is 100-120 ℃, the time is 3-5min, arranging the essential oil microcapsule on a cotton fabric layer of an organosilicon quaternary ammonium salt antibacterial agent, wherein the bath ratio is 1:38-43, and drying after water washing. The active group in the organosilicon quaternary ammonium salt antibacterial agent contains more alkyl, and is firstly mixed with OH on the antibacterial cotton fabric through a cross-linking agent-Or beta-cyclodextrin reacts with the beta-cyclodextrin or OH on the antibacterial cotton fabric shoe material-The reaction ensures that the essential oil microcapsules are fixed on the surface of the film of the antibacterial cotton fabric, so that the insole has the functions of resisting fungi and covering foot odor.
More preferably, the cross-linking agent is a mixture of citric acid and malic acid in a weight ratio of 1:0.23-0.29, and the weight ratio of D-malic acid to L-malic acid in the malic acid is 0.35-0.43: 1. The reasonable proportion of citric acid and malic acid in the cross-linking agent can ensure that the stress generated by cross-linking is uniformly distributed, and further the distribution and combination of the essential oil microcapsules on the cotton fabric are more uniform, thereby slowing down the change of the strength retention rate of the cotton fabric, and the special proportion of D-malic acid and L-malic acid in the malic acid can ensure that the cross-linking agent and cellulose molecules on the cotton fabric generate covalent cross-linking reaction, and the cross-linking agent is connected on the cotton fabric by covalent bond action, thereby strengthening the lateral acting force among cellulose molecules, hindering the relative sliding among the cellulose molecules, keeping the original smooth appearance of the cotton fabric, and being easy to recover even if deformed, thereby achieving the aim of crease resistance and improving the service performance of the insole.
Compared with the prior art, the invention has the advantages that: 1) the insole can ensure that the essential oil microcapsule cotton cloth layer is stably reserved in the sole through the design of the essential oil microcapsule cotton cloth layer and each cloth layer, can effectively inhibit the breeding of bacteria on feet, can perform health care on the soles in the process of wearing shoes, and has obvious effect; 2) the preparation method of the insole is simple, and the insole can be produced in large scale, so that the essential oil microcapsules are fixed on the surface of the film of the antibacterial cotton fabric, and the insole has the functions of resisting fungi and covering foot odor; 3) the invention uses cotton fabric to keep the original smooth appearance, and is easy to recover even if deformed, thereby enabling the insole to achieve the aim of preventing crease and improving the service performance of the insole.
Detailed Description
The scheme of the invention is further illustrated by the following examples:
example 1:
the shoe pad with health care effect, the cotton cloth layer for the shoe pad contains essential oil microcapsules, and the preparation method of the essential oil microcapsules comprises the following steps: slowly pouring the lemon essential oil dissolved in ethanol into a saturated beta-cyclodextrin water solution, adding glyceraldehyde, stirring, standing the prepared microcapsule emulsion for 30 hours at the temperature of 2 ℃, performing vacuum filtration, and drying at low temperature to constant weight to obtain the essential oil microcapsule. The preparation method has the advantages of high embedding rate and high yield, the prepared essential oil microcapsules have uniform particle size distribution, the microcapsules with the particle size of 10 mu m account for more than 90 percent, the prepared microcapsules can effectively kill a large amount of bacteria, achieve the aim of treating foot odor, simultaneously have the effects of contracting capillaries, relieving itching, slowing down inflammation and burning, can also remove vivotoxin, play a good role in improving eczema and addiction generated by skin, can cover the foot odor, and ensure that the insole has a good health-care function.
The ratio of R form to S form in the above glyceraldehyde is 55: 1. The addition of glyceraldehyde can reduce Van der Waals force between molecules of the lemon essential oil, so that the particle size of the lemon essential oil is rapidly reduced under the condition of stirring, the lemon essential oil can enter a cyclodextrin cavity more easily, meanwhile, groups on glyceraldehyde and beta-cyclodextrin are mutually crosslinked through molecular acting force or electrostatic interaction to form a polymer with a net structure, the lemon essential oil is wrapped in the polymer in the process of forming microspheres through mutual crosslinking, the stability of subsequent essential oil microcapsules is improved, the addition of glyceraldehyde can improve the dispersibility of the lemon essential oil molecules and the beta-cyclodextrin in a continuous phase of water and ethanol blending, the lemon essential oil molecules and the beta-cyclodextrin are further well wrapped by the cyclodextrin, the embedding rate and the yield of the essential oil microcapsules are improved, the sterilization effect of the essential oil microcapsules is further improved, and the sterilization and health-care functions of insoles are finally improved.
The volume ratio of the lemon essential oil to the ethanol is 1:12, and the weight ratio of the lemon essential oil to the beta-cyclodextrin is 1: 7.
The stirring temperature is 45 ℃, the stirring speed is 1000r/min, and the stirring time is 2 h.
The insole comprises three non-woven fabric layers, two cotton fabric layers, a polyurethane foaming layer and three spandex fiber fabric layers. This shoe-pad passes through the design of essential oil microcapsule cotton layer and each bed of cloth, can ensure that essential oil microcapsule cotton layer is firm to be persisted in sole inside, can effectual inhibition bacterial growing on the foot, makes and to wear the shoes in-process and can keep healthy to the sole, and the effect is obvious.
The preparation method of the insole with health care effect is characterized in that: the method comprises the following steps:
1) finishing cotton fabrics: the prepared fragrant microcapsule is arranged on the cotton fabric of the organosilicon quaternary ammonium salt antibacterial agent;
2) selecting materials: selecting cloth for making insole, including three non-woven fabric layers, two cotton cloth layers, two spandex fiber cloth layers and a bamboo charcoal fiber cloth layer, and cutting each layer of material into insole shape;
3) preparing the insole: the insole comprises a spandex fiber cloth layer, a cotton cloth layer, three non-woven fabric layers, a cotton cloth layer, a bamboo charcoal fiber cloth layer and a spandex fiber cloth layer from bottom to top in sequence;
4) and (3) composite molding: and adding glue into the layers in the mould to compound the layers into a whole to form the insole. The insole has the advantages that the preparation method is simple, the insole can be produced in a large scale, the prepared insole has the functions of resisting fungi and covering foot odor, the sole can be kept healthy in the shoe wearing process, the insole can be prevented from wrinkling, the original smooth appearance is kept, and the service performance of the insole is improved.
The cotton fabric finishing method comprises the following specific steps: adding a cross-linking agent into 55 (g/L) essential oil microcapsule emulsion, wherein the weight ratio of the cross-linking agent to the essential oil microcapsules is 1:0.4, adopting a two-dipping and two-rolling method, the rolling retention rate is 75%, the pre-baking temperature is 65 ℃, the baking time is 3min, the baking temperature is 100 ℃, the baking time is 5min, arranging the essential oil microcapsules on a cotton fabric layer of an organosilicon quaternary ammonium salt antibacterial agent, wherein the bath ratio is 1:38, and washing and drying the essential oil microcapsules. The active group in the organosilicon quaternary ammonium salt antibacterial agent contains more alkyl, and is firstly mixed with OH on the antibacterial cotton fabric through a cross-linking agent-Or beta-cyclodextrin reacts with the beta-cyclodextrin or OH on the antibacterial cotton fabric shoe material-The reaction ensures that the essential oil microcapsules are fixed on the surface of the film of the antibacterial cotton fabric, so that the insole has the functions of resisting fungi and covering foot odor.
The cross-linking agent is a mixture of citric acid and malic acid with the weight ratio of 1:0.29, and the weight ratio of D-malic acid to L-malic acid in the malic acid is 0.35: 1. The reasonable proportion of citric acid and malic acid in the cross-linking agent can ensure that the stress generated by cross-linking is uniformly distributed, and further the distribution and combination of the essential oil microcapsules on the cotton fabric are more uniform, thereby slowing down the change of the strength retention rate of the cotton fabric, and the special proportion of D-malic acid and L-malic acid in the malic acid can ensure that the cross-linking agent and cellulose molecules on the cotton fabric generate covalent cross-linking reaction, and the cross-linking agent is connected on the cotton fabric by covalent bond action, thereby strengthening the lateral acting force among cellulose molecules, hindering the relative sliding among the cellulose molecules, keeping the original smooth appearance of the cotton fabric, and being easy to recover even if deformed, thereby achieving the aim of crease resistance and improving the service performance of the insole.
Example 2:
the shoe pad with health care effect, the cotton cloth layer for the shoe pad contains essential oil microcapsules, and the preparation method of the essential oil microcapsules comprises the following steps: slowly pouring the lemon essential oil dissolved in ethanol into a saturated beta-cyclodextrin water solution, adding glyceraldehyde, stirring, standing the prepared microcapsule emulsion for 24 hours at 4 ℃, performing vacuum filtration, and drying at low temperature to constant weight to obtain the essential oil microcapsule. The ratio of R form to S form in the glyceraldehyde is 58: 1; the volume ratio of the lemon essential oil to the ethanol is 1:10, and the weight ratio of the lemon essential oil to the beta-cyclodextrin is 1: 8; the stirring temperature is 50 ℃, the stirring speed is 900r/min, and the time is 2.5 h.
The insole comprises three non-woven fabric layers, two cotton fabric layers, a polyurethane foaming layer and three spandex fiber fabric layers.
The preparation method of the insole with health care effect is characterized in that: the method comprises the following steps:
1) finishing cotton fabrics: adding a cross-linking agent into 50 (g/L) essential oil microcapsule emulsion, wherein the weight ratio of the cross-linking agent to the essential oil microcapsule is 1:0.5, adopting a two-dipping two-rolling method, the rolling retention rate is 70%, the pre-baking temperature is 70 ℃, the time is 2.5min, the baking temperature is 110 ℃, the time is 4min, arranging the essential oil microcapsule on a cotton fabric layer of an organosilicon quaternary ammonium salt antibacterial agent, the bath ratio is 1:40, washing with water and drying, and obtaining the finished product, wherein the cross-linking agent is a mixture of citric acid and malic acid with the weight ratio of 1:0.26, and the weight ratio of D-malic acid to L-malic acid in the malic acid is 0.4: 1;
2) selecting materials: selecting cloth for making insole, including three non-woven fabric layers, two cotton cloth layers, two spandex fiber cloth layers and a bamboo charcoal fiber cloth layer, and cutting each layer of material into insole shape;
3) preparing the insole: the insole comprises a spandex fiber cloth layer, a cotton cloth layer, three non-woven fabric layers, a cotton cloth layer, a bamboo charcoal fiber cloth layer and a spandex fiber cloth layer from bottom to top in sequence;
4) and (3) composite molding: and adding glue into the layers in the mould to compound the layers into a whole to form the insole.
Example 3:
the preparation method of the essential oil microcapsule comprises the following steps: slowly pouring the lemon essential oil dissolved in ethanol into a saturated beta-cyclodextrin water solution, stirring, standing the prepared microcapsule emulsion at 4 ℃ for 24 hours, carrying out vacuum filtration, and drying at low temperature to constant weight to obtain the essential oil microcapsule. The volume ratio of the lemon essential oil to the ethanol is 1:10, and the weight ratio of the lemon essential oil to the beta-cyclodextrin is 1: 8; the stirring temperature is 50 ℃, the stirring speed is 900r/min, and the time is 2.5 h.
Example 4:
embedding rate and yield of essential oil microcapsules
Weighing 0.5g of prepared essential oil microcapsules, dissolving in 20mL of ethanol, performing ultrasonic treatment for 15min to fully break wall materials of the essential oil microcapsules and release lemon essential oil, filtering the ultrasonic essential oil microcapsules to obtain a lemon essential oil ethanol solution, and taking out 5mL of the solution to measure the concentration of the solution.
The relation equation of the essential oil microcapsule drug loading and the concentration thereof is as follows:
α=(w×5×5)/(0.5×106)×100%
in the formula: alpha is the essential oil microcapsule drug loading (%); w is the concentration of the ethanol solution of lemon essential oil (mg/mL).
The relation equation of the embedding rate of the essential oil microgel is as follows:
λ=(α×M)/m1×100%
in the formula: lambda is the embedding rate (%) of the essential oil microcapsules, and M is the mass (g) of the obtained essential oil microcapsules; m is1Is the mass (g) of the lemon essential oil.
The relation equation of the yield of the essential oil microgel is as follows:
b=M/(m1+ m2)×100%
in the formula: b is the yield (%) of the essential oil microgel, m2Is the mass (g) of beta-cyclodextrin.
The encapsulation efficiency and yield of the essential oil microcapsules of example 2 and example 3 were calculated, and the results are shown in table 1.
TABLE 1 encapsulation efficiency and yield of essential oil microcapsules
| Sample (I) | Embedding Rate (%) | Yield (%) |
| Example 2 | 79.98 | 70.24 |
| Example 3 | 67.56 | 61.32 |
As can be seen from Table 1, the encapsulation efficiency and yield of the essential oil microcapsules of example 2 are higher than those of example 3, which shows that the addition of glyceraldehyde can improve the encapsulation efficiency and yield of the essential oil microcapsules.
Conventional operations in the operation steps of the present invention are well known to those skilled in the art and will not be described herein.
The embodiments described above are intended to illustrate the technical solutions of the present invention in detail, and it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modification, supplement or similar substitution made within the scope of the principles of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The shoe pad with the health care effect is characterized in that: the cotton cloth layer for the insole contains essential oil microcapsules, and the preparation method of the essential oil microcapsules comprises the following steps: slowly pouring the dissolved ethanol of the lemon essential oil into a saturated beta-cyclodextrin water solution, adding glyceraldehyde, stirring, standing the prepared microcapsule emulsion for 20-30h at the temperature of 2-6 ℃, performing vacuum filtration, and drying at low temperature to constant weight to obtain an essential oil microcapsule; the ratio of R form to S form in the glyceraldehyde is 58: 1; the volume ratio of the lemon essential oil to the ethanol is 1:10, and the weight ratio of the lemon essential oil to the beta-cyclodextrin is 1: 8.
2. The insole having health effects according to claim 1, wherein: the stirring temperature is 45-55 ℃, the stirring speed is 800-1000r/min, and the time is 2-3 h.
3. The insole having health effects according to claim 1, wherein: the insole comprises three non-woven fabric layers, two cotton fabric layers, a polyurethane foaming layer and three spandex fiber fabric layers.
4. The method for preparing insole with health care effect according to claim 1 or 2, wherein: the method comprises the following steps:
1) finishing cotton fabrics: the prepared fragrant microcapsule is arranged on the cotton fabric of the organosilicon quaternary ammonium salt antibacterial agent;
2) selecting materials: selecting cloth for making insole, including three non-woven fabric layers, two cotton cloth layers, two spandex fiber cloth layers and a bamboo charcoal fiber cloth layer, and cutting each layer of material into insole shape;
3) preparing the insole: the insole comprises a spandex fiber cloth layer, a cotton cloth layer, three non-woven fabric layers, a cotton cloth layer, a bamboo charcoal fiber cloth layer and a spandex fiber cloth layer from bottom to top in sequence;
4) and (3) composite molding: adding glue into each layer in a mould to compound the layers into a whole to form the insole;
the cotton fabric finishing method comprises the following specific steps: adding a cross-linking agent into 45-55 (g/L) essential oil microcapsule emulsion, wherein the weight ratio of the cross-linking agent to the essential oil microcapsule is 1:0.4-0.6, adopting a two-dipping and two-rolling method, the rolling retention rate is 65-75%, the pre-baking temperature is 65-75 ℃, the time is 2-3min, the baking temperature is 100-120 ℃, the time is 3-5min, arranging the essential oil microcapsule on a cotton fabric layer of an organosilicon quaternary ammonium salt antibacterial agent, wherein the bath ratio is 1:38-43, and washing and drying the essential oil microcapsule after water washing; the cross-linking agent is a mixture of citric acid and malic acid with the weight ratio of 1:0.26, and the weight ratio of D-malic acid to L-malic acid in the malic acid is 0.4: 1.
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| USD903268S1 (en) | 2019-02-06 | 2020-12-01 | S. C. Johnson & Son, Inc. | Insole |
| USD906658S1 (en) | 2019-02-19 | 2021-01-05 | S. C. Johnson & Son, Inc. | Insole |
| CN110564515A (en) * | 2019-08-20 | 2019-12-13 | 广东工业大学 | Essence microcapsule grafted with organic silicon quaternary ammonium salt and preparation method and application thereof |
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| CN103170286A (en) * | 2013-01-30 | 2013-06-26 | 天津商业大学 | Method for preparing melissa officinalis L. essential oil and beta-cyclodextrin molecule microcapsule |
| CN104921406B (en) * | 2015-07-06 | 2016-08-17 | 陕西科技大学 | A kind of preparation method of antimycotic Antibromic shoe pads |
| CN105544230B (en) * | 2016-01-15 | 2018-08-07 | 中山大学惠州研究院 | A method of using tea tree ethereal oil microcapsules flavoring on the textile |
| CN106263263A (en) * | 2016-08-12 | 2017-01-04 | 张太平 | A kind of shoe pad with bacteriostatic deodorizing effect |
| CN107772647A (en) * | 2017-10-17 | 2018-03-09 | 李海明 | A kind of preparation method of health insoles |
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