阅读说明：本技术 一种环保型抑菌假发套 (Environment-friendly antibacterial wig cover ) 是由 汪金桦 于 2021-09-25 设计创作，主要内容包括：本发明公开一种环保型抑菌假发套,涉及假发制造原料领域。本发明公开的一种环保型抑菌假发套包括仿真头皮层和发丝,所述仿真头皮层上设置有多个发丝孔,所述发丝设置于所述发丝孔内,其特征在于,所述仿真头皮层是由开孔硅胶发泡材料制成的,所述开孔硅胶发泡材料包括：硅橡胶、醋酸纤维素、主发泡剂、聚醚硅油、抑菌剂和含氢硅油,所述抑菌剂为羟苯丙酯、山梨酸钾和月桂酰谷氨酸的复合物。本发明提供的环保型抑菌假发套,采用硅橡胶为仿真头皮层的基体材料,具有优良的力学性能、亲肤性,其制备方法简单易操作,具有优异的透水透气性和抑菌性,延长了假发套的使用寿命,提高了使用效率,降低了使用成本。(The invention discloses an environment-friendly antibacterial wig cover, and relates to the field of wig manufacturing raw materials. The invention discloses an environment-friendly antibacterial wig comprising a simulation scalp and a hair, wherein the simulation scalp is provided with a plurality of hair holes, and the hair is arranged in the hair holes, and the environment-friendly antibacterial wig is characterized in that the simulation scalp is made of open-cell silica gel foaming materials, and the open-cell silica gel foaming materials comprise: the antibacterial agent is a compound of propyl hydroxybenzoate, potassium sorbate and lauroyl glutamic acid. The environment-friendly antibacterial wig sleeve provided by the invention adopts silicon rubber as a base material of the simulated scalp layer, has excellent mechanical property and skin-friendly property, is simple and easy to operate in a preparation method, has excellent water permeability, air permeability and antibacterial property, prolongs the service life of the wig sleeve, improves the use efficiency and reduces the use cost.)

1. The utility model provides an antibacterial wig cover of environment-friendly, includes artificial first cortex and hair, be provided with a plurality of hair holes on the artificial first cortex, the hair set up in the hair is downthehole, its characterized in that, artificial first cortex is made by trompil silica gel expanded material, trompil silica gel expanded material is according to parts by weight, includes following component: 50-70 parts of silicone rubber, 30-50 parts of cellulose acetate, 1.5-4 parts of a main foaming agent, 5-10 parts of polyether silicone oil, 1-3 parts of a bacteriostatic agent and 0.8-5 parts of hydrogen-containing silicone oil.

2. The environment-friendly bacteriostatic wig according to claim 1, wherein the main foaming agent is a chemical foaming agent with model number YQ-11F produced by Shenzhen Yinzhen chemical Limited.

3. The environment-friendly bacteriostatic wig according to claim 1, wherein the silicone rubber is any one of methyl vinyl silicone rubber, dimethyl silicone rubber or methyl phenyl vinyl silicone rubber.

4. The environment-friendly bacteriostatic wig according to claim 1, wherein the bacteriostatic agent is a complex of propyl hydroxybenzoate, potassium sorbate and lauroyl glutamic acid, and the mass ratio of the propyl hydroxybenzoate, the potassium sorbate and the lauroyl glutamic acid is 1: (0.3-0.45): (0.5 to 1).

5. The environment-friendly bacteriostatic wig according to claim 4, wherein the preparation method of the bacteriostatic agent is as follows: adding potassium sorbate into ethanol for dissolving, then adding lauroyl glutamic acid, stirring for 0.5-1 h, then adding propyl hydroxybenzoate, heating to 50 ℃, stirring for 1h, heating to 90 ℃, and stirring for 10-15 min to obtain the bacteriostatic agent.

6. The environment-friendly bacteriostatic wig according to any one of claims 1-5, wherein the preparation method of the open-cell silica gel foaming material comprises the following steps:

(1) adding the silicone rubber and the cellulose acetate into an open mill, stirring for 5-10 min, then adding the bacteriostatic agent, heating to 100-120 ℃, stirring for 15-20 min, then adding the main foaming agent, the polyether silicone oil and the hydrogen-containing silicone oil, uniformly mixing, thinly passing, and discharging tablets;

(2) preheating the material sheet on a vulcanizing instrument for 15min at the temperature of 150-160 ℃, then carrying out pressure vulcanization for 6min under the pressure of 20MPa, cooling to room temperature, and demolding to obtain a silica gel product;

(3) and baking the silica gel product at 100-140 ℃ for 15-20 min to obtain the open-cell silica gel foaming material.

7. The environment-friendly bacteriostatic wig according to claim 1, wherein the hair holes are arranged at intervals, the spacing between the hair holes is 0.4-0.7 mm, the aperture of the hair holes is 0.05-0.2 mm, and the hair holes are arranged in the simulated scalp layer in a looped manner.

8. The environment-friendly bacteriostatic wig according to claim 1, wherein the lower surface of the simulated scalp cortex is provided with a fixing structure for fixing the simulated scalp cortex to the scalp.

9. The environment-friendly bacteriostatic wig according to claim 8, wherein the fixing structure is a fixing tape or a fixing clip.

Technical Field

The invention belongs to the field of wig manufacturing raw materials, and particularly relates to an environment-friendly antibacterial wig and preparation of a simulation scalp layer material of the environment-friendly antibacterial wig.

Background

In recent years, the wig industry in China has gradually started to use chemical fibers to make wig products. The wig is a wig woven by artificial chemical fiber threads, is directly worn on the head, is almost as good as a hat, and can be trimmed into different hairstyles. The chemical fiber has the characteristics of stable property, no resource restriction, easy shape change and color change, easy maintenance, wide raw material source, economic cost and the like, has higher practicability and added value, and becomes the mainstream of the hair product market.

At present, the wig is diversified, a small simulation scalp is usually arranged on the top of the head, the simulation scalp is of a mesh structure, the material contacting with the scalp is mostly cotton fiber or nylon, however, the cotton fiber material is easy to mildew under a humid environment, the nylon material adopts chemical polymers as raw materials, and the chemical materials are required to be mixed in the processing process, so that the problems of poor softness, poor skin-friendly performance and the like of the mesh material of the manufactured wig occur, and the chemical materials such as nylon can also threaten the health of a human body, pollute the environment and are not environment-friendly. Current fiber products wig cover is at the long-term in-process of carrying, can make the wig relax because reasons such as motion is violent, perspire, the awkward condition that drops easily, and the gas permeability that permeates water is not good moreover, wears the easy skin allergy scheduling problem that makes for a long time, and under the condition of dressing or preserving after dressing, also there is the problem that the bacterium produced or breeds, is unfavorable for human healthy. Therefore, the development of an environmentally friendly bacteriostatic wig is a necessary trend.

Disclosure of Invention

The invention aims to provide an environment-friendly antibacterial wig, which adopts silicon rubber as a base material of a simulated scalp layer, has excellent mechanical property and skin-friendly property, and is an environment-friendly skin-friendly material; the preparation method of the wig is simple and easy to operate, and the wig has excellent water and air permeability and antibacterial activity, prolongs the service life of the wig, improves the use efficiency and reduces the use cost.

In order to realize the aim of the invention, the invention provides an environment-friendly antibacterial wig, which comprises a simulation scalp layer and hairlines, wherein the simulation scalp layer is provided with a plurality of hairlines holes, the hairlines are arranged in the hairlines holes, the simulation scalp layer is made of an open-cell silica gel foaming material, and the open-cell silica gel foaming material comprises the following components in parts by weight: 50-70 parts of silicone rubber, 30-50 parts of cellulose acetate, 1.5-4 parts of a main foaming agent, 5-10 parts of polyether silicone oil, 1-3 parts of a bacteriostatic agent and 0.8-5 parts of hydrogen-containing silicone oil.

Further, the silicone rubber is any one of methyl vinyl silicone rubber, dimethyl silicone rubber or methyl phenyl vinyl silicone rubber.

Silicone rubber is a high molecular material with various excellent properties, has excellent mechanical properties, chemical stability and gas permeability, has good biocompatibility, is a relatively stable inert substance, can resist high temperature, can be sterilized, is convenient to process and form, is mainly used for medical materials at present, and is in direct contact with human bodies. The artificial scalp layer of the invention adopts silicon rubber as a base material, thus improving the skin-friendly property of the artificial scalp layer, leading the artificial scalp layer to be in long-term contact with the scalp of a human body and not generating anaphylactic reaction. The silicon rubber simulation scalp layer has excellent flexibility and mechanical property, has no foreign body sensation when being contacted with the scalp, and has good comfort; the cleaning agent can be cleaned or sterilized at high temperature for a long time without affecting the service performance, so that the service life is longer, the cost is saved, and the environment is protected; the silicone rubber material is a nontoxic environment-friendly material, is applied to the wig, reduces the use of plastic fiber products, reduces the harm to human bodies, and meets the requirements of people on body health; the silastic simulation head cortex has excellent air permeability, is worn for a long time for use, reduces breeding of bacteria, protects the health of people, has excellent anti-slip property, is not easy to drop in the wearing process, and avoids embarrassment.

The preferred types of the silicone rubber are several types commonly used in the existing silicone rubber, and the preparation method is simple, mature, low in cost and suitable for popularization and use. The silicon rubber is applied to the wig sleeve, so that the wig sleeve has excellent mechanical properties, and has excellent flexibility, skin-friendly property and air permeability.

Further, the main foaming agent is a chemical foaming agent with a model number of YQ-11F produced by Shenzhen Yinzhen chemical Limited. The invention forms micropores on the simulated scalp layer material through the foaming agent, namely, the silicon rubber material is foamed to form pores. The main foaming agent is a chemical foaming agent of YQ-11F, and the foaming agent enables silicon rubber to be opened and foamed, so that tiny holes are formed on the simulation scalp layer, the wig has excellent water and air permeability, the opportunity of bacterial breeding is further reduced, and a certain antibacterial effect is achieved. The main foaming agent is added into the wig sleeve in a proper amount and is matched with the polyether silicone oil for use, so that compact and stable open-cell foam can be generated, the foaming efficiency is high, the foaming speed is stable, the foam holes are uniform, the holes on the wig sleeve are uniform, and the wig sleeve has uniform water permeability and air permeability.

Further, the bacteriostatic agent is a compound of propyl hydroxybenzoate, potassium sorbate and lauroyl glutamic acid, and the mass ratio of the propyl hydroxybenzoate, the potassium sorbate and the lauroyl glutamic acid is 1: (0.3-0.45): (0.5 to 1).

Further, the preparation method of the bacteriostatic agent comprises the following steps: adding potassium sorbate into ethanol for dissolving, then adding lauroyl glutamic acid, stirring for 0.5-1 h, then adding propyl hydroxybenzoate, heating to 50 ℃, stirring for 1h, heating to 90 ℃, and stirring for 10-15 min to obtain the bacteriostatic agent.

The bacteriostatic and antibacterial properties of the simulated scalp layer are improved by adding the bacteriostatic agent, so that the generation and reproduction of bacteria are reduced and the health of people is protected during the long-term use and wearing process of people. The antibacterial agent is a compound of propyl hydroxybenzoate, potassium sorbate and lauroyl glutamic acid, and the proportion and the preparation method of the compound enable the antibacterial agent to have excellent antibacterial effect which cannot be achieved by simple mixing of the propyl hydroxybenzoate, the potassium sorbate and the lauroyl glutamic acid.

Further, the preparation method of the open-cell silica gel foaming material comprises the following steps:

(1) adding the silicone rubber and the cellulose acetate into an open mill, stirring for 5-10 min, then adding the bacteriostatic agent, heating to 100-120 ℃, stirring for 15-20 min, then adding the main foaming agent, the polyether silicone oil and the hydrogen-containing silicone oil, uniformly mixing, thinly passing, and discharging tablets;

(2) preheating the material sheet on a vulcanizing instrument for 15min at the temperature of 150-160 ℃, then carrying out pressure vulcanization for 6min under the pressure of 20MPa, cooling to room temperature, and demolding to obtain a silica gel product;

(3) and baking the silica gel product at 100-140 ℃ for 15-20 min to obtain the open-cell silica gel foaming material.

Furthermore, the hairline hole interval sets up, the interval in hairline hole is 0.4 ~ 0.7mm, the aperture in hairline hole is 0.05 ~ 0.2mm, the arrangement of hairline hole lopping in simulation scalp layer.

The trompil size and the interval in hair hole not only can influence the gas permeability of emulation scalp layer, still can influence the intensity and the life-span of wig cover, can reduce the number of times of using of wig cover, increase and use and maintenance cost, and the trompil size in hair hole is still concerned hair and the relative quantity in hair hole moreover, influences the visual effect of wig. The space between the hair holes and the aperture size are in a proper range, so that the wig sleeve has excellent comprehensive performance, the service life of the wig sleeve is prolonged, and the hair holes are arranged in a circle to ensure that the simulation effect of the wig is better.

Further, the lower surface of the simulation scalp cortex is provided with a fixing structure for fixing the simulation scalp cortex to the scalp.

Further, the fixing structure is a fixing tape or a fixing clip.

Fixed sticky tape or fixation clamp extend in succession at the edge of the lower surface of emulation head cortex, it is fixed through adopting fixed sticky tape or fixation clamp, it is not only fixed firm, and with low costs, and can conveniently pull down and wash the wig cover, it is convenient to wear simultaneously, and fixed sticky tape is located the lower surface of emulation head cortex and directly bonds with the scalp, emulation head cortex also can be attached on the scalp better elasticity like this, increase the degree of agreeing with, the heat and the sweat of scalp department also scatter outwards from the hole of emulation head cortex more easily simultaneously, increase air permeability, promote and wear the travelling comfort, and continuous fixed sticky tape or fixation clamp can increase fixed firm nature, prevent to drop or lose.

The invention achieves the following beneficial effects:

1. the invention adopts the open-cell silica gel foaming material to prepare the artificial scalp layer, the open-cell silica gel foaming material adopts the silicon rubber as the matrix, and the modified silicon rubber is open-cell foamed by introducing a proper amount of cellulose acetate and bacteriostatic agent, has excellent softness, skin-friendly property, hydrophilicity, water and air permeability and bacteriostatic property, is close to the skin quality of a human body in texture, has good comfort level, can be in long-term contact with the scalp of the human body, is environment-friendly, has no anaphylactic reaction, and is suitable for the requirements of the modern society on the wig quality.

2. The preparation process method of the open-cell silica gel foaming material is simple, has low cost, does not need special equipment for processing and treatment, and is easy for industrial implementation and popularization.

3. The invention adds the cellulose acetate which is combined with the silicon rubber, improves the hydrophilicity and the comfort of the simulated scalp layer, and the cellulose acetate is a nontoxic and harmless substance and can be in long-term contact with the scalp. The acetate fiber yarns are combined with the silicon rubber in a crosslinking way through the crosslinking agent, so that the mechanical property of the silicon rubber is improved, and the production cost is reduced.

4. The hydrogen-containing silicone oil is used as a cross-linking agent, so that the compatibility among the components of the open-cell silica gel foaming material is improved, the components can be cross-linked with each other, the components are ensured to play the self-action, and the open-cell silica gel foaming material is ensured to have excellent comprehensive performance.

5. The main foaming agent and the polyether silicone oil are matched with each other for use, so that the open-cell silica gel foaming material has compact tiny holes, and the open-cell silica gel foaming material has high foaming efficiency in the foaming process, can form compact, uniform and stable open-cell foam, and improves the water permeability, air permeability and use effect of the foam. The bacteriostatic agent is a compound of propyl hydroxybenzoate, potassium sorbate and lauroyl glutamic acid, and the three components have synergistic effect, so that the bacteriostatic and antibacterial effects of the bacteriostatic agent are greatly improved, the compatibility of the compound with other components is good, and the bacteriostatic agent does not affect the mechanical property and elasticity of the bacteriostatic agent and the comfort level of the bacteriostatic agent.

6. The wig sleeve prepared by adopting the open-cell silica gel foaming material has the advantages of environment-friendly and easily available raw materials, high simulation and softness, excellent comfort and skin-friendly performance, excellent mechanical property, water and air permeability and antibacterial property, prolonged service life, improved use efficiency and reduced use cost.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides an environment-friendly antibacterial wig, which comprises a simulation scalp and a hair, wherein the simulation scalp is provided with a plurality of hair holes, the hair is arranged in the hair holes, and the simulation scalp is made of open-cell silica gel foaming materials. The hair holes are arranged at intervals, the distance between every two hair holes is 0.4-0.7 mm, the aperture of each hair hole is 0.05-0.2 mm, and the hair holes are arranged on the simulation scalp layer in a looped mode. The lower surface of simulation scalp cortex is provided with the fixed knot who is used for being fixed in the scalp with simulation scalp cortex and constructs, and fixed knot constructs for sticky tape or fixation clamp.

The main foaming agent is a chemical foaming agent which is produced by Shenzhen Yinzhen chemical Limited and has the model number of YQ-11F.

The open-cell silica gel foam of the present invention will be described with reference to specific examples.

Example 1

The preparation method of the open-cell silica gel foam material comprises the following steps: adding 500g of methyl vinyl silicone rubber and 500g of cellulose acetate into an open mill, stirring for 10min, then adding 30g of bacteriostatic agent, heating to 100 ℃, stirring for 20min, then adding 15g of main foaming agent, 60g of polyether silicone oil and 50g of hydrogen-containing silicone oil, uniformly mixing, thinly passing, and discharging tablets; preheating the material sheet on a vulcanizer for 15min at 150 deg.C, pressurizing and vulcanizing at 20MPa for 6min, cooling to room temperature, and demolding to obtain silica gel product; and (3) baking the silica gel product at 140 ℃ for 15min to obtain the open-cell silica gel foaming material.

The bacteriostatic agent is a compound of propyl hydroxybenzoate, potassium sorbate and lauroyl glutamic acid, and the preparation method of the bacteriostatic agent comprises the following steps: dissolving 100g of potassium sorbate in ethanol, adding 100g of lauroyl glutamic acid, stirring for 1h, adding 30g of propyl hydroxybenzoate, heating to 50 ℃, stirring for 1h, heating to 90 ℃, and stirring for 10 min.

The open-cell silica gel foaming material of this embodiment is soft, comfortable, and there is even micropore on the surface, through tensile strength, antibacterial capacity and fire-retardant rank detection, its result is: the tensile strength is 0.82MPa, the elongation at break is 156%, the oxygen index is 32, the bacteriostasis rate of staphylococcus aureus is 99.68%, and the bacteriostasis rate of escherichia coli is 99.46%.

Example 2

The preparation method of the open-cell silica gel foam material comprises the following steps: adding 700g of dimethyl silicone rubber and 300g of cellulose acetate into an open mill, stirring for 5min, then adding 10g of bacteriostatic agent, heating to 120 ℃, stirring for 15min, then adding 40g of main foaming agent, 100g of polyether silicone oil and 8g of hydrogen-containing silicone oil, uniformly mixing, thinly passing, and discharging tablets; preheating the material sheet on a vulcanizer for 15min at 160 deg.C, pressurizing and vulcanizing at 20MPa for 6min, cooling to room temperature, and demolding to obtain silica gel product; and (3) baking the silica gel product at 100 ℃ for 20min to obtain the open-cell silica gel foaming material.

The bacteriostatic agent is a compound of propyl hydroxybenzoate, potassium sorbate and lauroyl glutamic acid, and the preparation method of the bacteriostatic agent comprises the following steps: dissolving 100g potassium sorbate in ethanol, adding 50g lauroyl glutamic acid, stirring for 0.5h, adding 45g propyl hydroxybenzoate, heating to 50 deg.C, stirring for 1h, heating to 90 deg.C, and stirring for 15 min.

The open-cell silica gel foaming material of this embodiment is soft, comfortable, and there is even micropore on the surface, through tensile strength, antibacterial capacity and fire-retardant rank detection, its result is: the tensile strength is 0.87MPa, the elongation at break is 163%, the oxygen index is 34, the bacteriostasis rate of staphylococcus aureus is 99.41%, and the bacteriostasis rate of escherichia coli is 99.12%.

Example 3

The preparation method of the open-cell silica gel foam material comprises the following steps: adding 600g of methyl phenyl vinyl silicone rubber and 400g of cellulose acetate into an open mill, stirring for 10min, then adding 20g of bacteriostatic agent, heating to 120 ℃, stirring for 15min, then adding 25g of main foaming agent, 50g of polyether silicone oil and 39g of hydrogen-containing silicone oil, uniformly mixing, thinly passing, and discharging tablets; preheating the material sheet on a vulcanizer for 15min at 150 deg.C, pressurizing and vulcanizing at 20MPa for 6min, cooling to room temperature, and demolding to obtain silica gel product; and (3) baking the silica gel product at 120 ℃ for 20min to obtain the open-cell silica gel foaming material.

The bacteriostatic agent is a compound of propyl hydroxybenzoate, potassium sorbate and lauroyl glutamic acid, and the preparation method of the bacteriostatic agent comprises the following steps: dissolving 100g of potassium sorbate in ethanol, adding 80g of lauroyl glutamic acid, stirring for 1h, adding 40g of propyl hydroxybenzoate, heating to 50 ℃, stirring for 1h, heating to 90 ℃, and stirring for 20 min.

The open-cell silica gel foaming material of this embodiment is soft, comfortable, and there is even micropore on the surface, through tensile strength, antibacterial capacity and fire-retardant rank detection, its result is: the tensile strength is 0.87MPa, the elongation at break is 163%, the oxygen index is 34, the bacteriostasis rate of staphylococcus aureus is 99.74%, and the bacteriostasis rate of escherichia coli is 99.43%.

Example 4

The preparation method of the open-cell silica gel foam material comprises the following steps: adding 650g of dimethyl silicone rubber and 350g of cellulose acetate into an open mill, stirring for 10min, then adding 15g of bacteriostatic agent, heating to 120 ℃, stirring for 15min, then adding 32g of main foaming agent, 84g of polyether silicone oil and 26g of hydrogen-containing silicone oil, uniformly mixing, thinly passing, and discharging tablets; preheating the material sheet on a vulcanizer for 15min at 150 deg.C, pressurizing and vulcanizing at 20MPa for 6min, cooling to room temperature, and demolding to obtain silica gel product; and (3) baking the silica gel product at 120 ℃ for 20min to obtain the open-cell silica gel foaming material.

The bacteriostatic agent is a compound of propyl hydroxybenzoate, potassium sorbate and lauroyl glutamic acid, and the preparation method of the bacteriostatic agent comprises the following steps: dissolving 100g of potassium sorbate in ethanol, adding 58g of lauroyl glutamic acid, stirring for 1h, adding 36g of propyl hydroxybenzoate, heating to 50 ℃, stirring for 1h, heating to 90 ℃, and stirring for 20 min.

The open-cell silica gel foaming material of this embodiment is soft, comfortable, and there is even micropore on the surface, through tensile strength, antibacterial capacity and fire-retardant rank detection, its result is: the tensile strength is 0.82MPa, the elongation at break is 149.5%, the oxygen index is 30, the bacteriostasis rate of staphylococcus aureus is 99.63%, and the bacteriostasis rate of escherichia coli is 99.31%.

Example 5

The preparation method of the open-cell silica gel foam material comprises the following steps: adding 586g of methyl phenyl vinyl silicone rubber and 414g of cellulose acetate into an open mill, stirring for 10min, then adding 23g of bacteriostatic agent, heating to 120 ℃, stirring for 15min, then adding 19g of main foaming agent, 54g of polyether silicone oil and 15g of hydrogen-containing silicone oil, uniformly mixing, thinly passing, and discharging tablets; preheating the material sheet on a vulcanizer for 15min at 150 deg.C, pressurizing and vulcanizing at 20MPa for 6min, cooling to room temperature, and demolding to obtain silica gel product; and (3) baking the silica gel product at 120 ℃ for 20min to obtain the open-cell silica gel foaming material.

The bacteriostatic agent is a compound of propyl hydroxybenzoate, potassium sorbate and lauroyl glutamic acid, and the preparation method of the bacteriostatic agent comprises the following steps: dissolving 100g of potassium sorbate in ethanol, adding 100g of lauroyl glutamic acid, stirring for 1h, adding 45g of propyl hydroxybenzoate, heating to 50 ℃, stirring for 1h, heating to 90 ℃, and stirring for 20 min.

The open-cell silica gel foaming material of this embodiment is soft, comfortable, and there is even micropore on the surface, through tensile strength, antibacterial capacity and fire-retardant rank detection, its result is: the tensile strength is 0.88MPa, the elongation at break is 167%, the oxygen index is 32, the bacteriostasis rate of staphylococcus aureus is 99.87%, and the bacteriostasis rate of escherichia coli is 99.54%.

Example 6

The preparation method of the open-cell silica gel foam material comprises the following steps: adding 624g of methyl vinyl silicone rubber and 376g of cellulose acetate into an open mill, stirring for 10min, then adding 18g of bacteriostatic agent, heating to 120 ℃, stirring for 15min, then adding 28g of main foaming agent, 94g of polyether silicone oil and 45g of hydrogen-containing silicone oil, uniformly mixing, thinly passing, and discharging tablets; preheating the material sheet on a vulcanizer for 15min at 150 deg.C, pressurizing and vulcanizing at 20MPa for 6min, cooling to room temperature, and demolding to obtain silica gel product; and (3) baking the silica gel product at 120 ℃ for 20min to obtain the open-cell silica gel foaming material.

The bacteriostatic agent is a compound of propyl hydroxybenzoate, potassium sorbate and lauroyl glutamic acid, and the preparation method of the bacteriostatic agent comprises the following steps: dissolving 100g of potassium sorbate in ethanol, adding 50g of lauroyl glutamic acid, stirring for 1h, adding 30g of propyl hydroxybenzoate, heating to 50 ℃, stirring for 1h, heating to 90 ℃, and stirring for 20 min.

The open-cell silica gel foaming material of this embodiment is soft, comfortable, and there is even micropore on the surface, through tensile strength, antibacterial capacity and fire-retardant rank detection, its result is: the tensile strength is 0.71MPa, the elongation at break is 142%, the oxygen index is 31, the bacteriostasis rate of staphylococcus aureus is 99.70%, and the bacteriostasis rate of escherichia coli is 99.46%.

Comparative example 1

The preparation method of the open-cell silica gel foaming material comprises the following steps: adding 1000g of methyl vinyl silicone rubber into an open mill, then adding 30g of main foaming agent, uniformly mixing, thinly passing, discharging a sheet, placing the sheet on a vulcanizing instrument, preheating for 15min at the temperature of 150 ℃, then carrying out pressure vulcanization for 6min under the pressure of 20MPa, cooling to room temperature, and demolding to obtain a silica gel product; and (3) baking the silica gel product at 120 ℃ for 20min to obtain the open-cell silica gel foaming material.

The open-cell silica gel foaming material of the comparative example has soft hand feeling, micropores on the surface and uneven micropores, and the result is that after the detection of tensile strength, antibacterial ability and flame retardant level: the tensile strength is 0.35MPa, the elongation at break is 120%, the oxygen index is 28, the bacteriostasis rate of staphylococcus aureus is 59.6%, and the bacteriostasis rate of escherichia coli is 54.17%.

The technical features of the embodiments described above can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.