CN112680884A - Preparation method of antibacterial mask material - Google Patents
Preparation method of antibacterial mask material Download PDFInfo
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- CN112680884A CN112680884A CN202011601115.8A CN202011601115A CN112680884A CN 112680884 A CN112680884 A CN 112680884A CN 202011601115 A CN202011601115 A CN 202011601115A CN 112680884 A CN112680884 A CN 112680884A
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Abstract
The invention discloses a preparation method of an antibacterial mask material, which is prepared from the following raw materials in parts by weight: 2-4 parts of graphene, 1-3 parts of melittin, 4-6 parts of paraffin microemulsion and 184 parts of polypropylene 151-containing material; the preparation method comprises the following steps: (1) preparing a spinning solution, namely weighing the raw materials in parts by weight, mixing, stirring and uniformly dispersing to obtain the spinning solution; (2) and (3) preparing the antibacterial mask, namely spraying the spinning solution to a receiving screen by using an electrostatic spinning technology at room temperature, and receiving the electrostatic spinning nano-fibers by using a polypropylene non-woven fabric as a substrate to obtain the antibacterial mask. According to the invention, graphene and melittin are added into the polypropylene spinning solution, and the paraffin microemulsion is added to improve the water repellency of polypropylene, reduce the influence of breathing water vapor on polypropylene melt-blown fabric, make the adsorption performance of polypropylene more durable, and improve the antibacterial and bacteria adsorption effects.
Description
Technical Field
The invention belongs to the technical field of antibacterial materials, and particularly relates to a preparation method of an antibacterial mask material.
Background
The antibacterial performance of the fabric is improved, and an antibacterial finishing agent is generally adopted. However, the traditional antibacterial finishing agent generally adopts ester or hydroxyl groups to be combined with hydrogen bonds in hydroxyl groups on the fabric, although the overall fastness is better, the performance is greatly reduced after 10 times of washing.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a preparation method of an antibacterial mask material.
In order to achieve the purpose, the invention provides the following technical scheme:
the preparation method of the antibacterial mask material comprises the following steps of: 2-4 parts of graphene, 1-3 parts of melittin, 4-6 parts of paraffin microemulsion and 184 parts of polypropylene 151-containing material;
the preparation method comprises the following steps:
(1) preparation of the spinning dope
Weighing the raw materials according to the weight parts, mixing, stirring and dispersing uniformly to obtain a spinning solution;
(2) preparation of antibacterial mask
And (3) under the room temperature condition, spraying the spinning solution to a receiving screen by using an electrostatic spinning technology, and receiving the electrostatic spinning nano-fibers by using a polypropylene non-woven fabric as a substrate to obtain the antibacterial mask.
Further, the antibacterial mask material is prepared from the following raw materials in parts by weight: 3 parts of graphene, 2 parts of melittin, 5 parts of paraffin microemulsion and 170 parts of polypropylene.
Further, the stirring speed in the step (1) is 100-.
Further, the electrostatic spinning conditions are as follows: the spinning distance is 10-20cm, the voltage is 20-30kV, and the extrusion speed is 2-5 mL/h.
Preferably, the electrospinning conditions are as follows: the spinning distance was 12cm, the voltage was 25kV, and the extrusion speed was 4 mL/h.
Has the advantages that: the invention provides a preparation method of an antibacterial mask material, which is characterized in that graphene and melittin are added into a polypropylene spinning solution, a small amount of paraffin microemulsion is added to improve the water repellency of polypropylene, the influence of breathing water vapor on polypropylene melt-blown cloth is reduced, the adsorption performance of polypropylene is more durable, and the antibacterial and bacterium adsorption effects are improved. Graphene bacteriostasis principle: the graphite with 1 millimeter contains 300 ten thousand layers of single-layer graphene, the minimum bacteria is 0.2 millimeter which is about 600 times of graphene, and the bacteria can be cut through cell walls to die when moving on the sharp nanoscale two-dimensional material; the graphene bacteriostatic application can cut the cell membrane of bacteria by inserting the cell membrane of the bacteria, and can destroy the cell membrane by directly extracting phospholipid molecules on the cell membrane in a large scale so as to kill the bacteria, thereby achieving an excellent antibacterial effect. Melittin: the spinning solution contains a small amount of melittin, so that the melittin has a better antibacterial effect. Paraffin microemulsion: after the spinning solution is added, the water repellency of the polypropylene melt-blown fabric can be improved, the textile water is adsorbed on the fabric, and the lasting bacteria adsorption effect is improved.
The antibacterial experiment test results show that the antibacterial performance of the material prepared by the preparation method is reduced slightly when the material is placed in different humidity environments for 2 hours, so that the material prepared by the preparation method is suitable for being widely applied as a mask material.
Detailed Description
The present invention is further described below with reference to specific examples, which are only exemplary and do not limit the scope of the present invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
Example 1
The preparation method of the antibacterial mask material comprises the following steps of: 2 parts of graphene, 1 part of melittin, 4 parts of paraffin microemulsion and 151 parts of polypropylene;
the preparation method comprises the following steps:
(1) preparation of the spinning dope
Weighing the raw materials according to the weight parts, mixing, stirring and dispersing uniformly, wherein the stirring speed is 150r/min, and thus obtaining a spinning solution;
(2) preparation of antibacterial mask
Under the condition of room temperature, spraying spinning solution to a receiving screen by using an electrostatic spinning technology, and receiving electrostatic spinning nano fibers by using a polypropylene non-woven fabric as a substrate to obtain the antibacterial mask; the electrostatic spinning conditions are as follows: the spinning distance was 10cm, the voltage was 22kV, and the extrusion speed was 3 mL/h.
The mask material prepared in this example was subjected to evaluation of antibacterial properties of textiles according to GB 20944.3-2008-T, part 3: the antibacterial performance test was carried out by the oscillation method, and the test results are shown in table 1:
TABLE 1
Example 2
The preparation method of the antibacterial mask material comprises the following steps of: 4 parts of graphene, 3 parts of melittin, 6 parts of paraffin microemulsion and 184 parts of polypropylene;
the preparation method comprises the following steps:
(1) preparation of the spinning dope
Weighing the raw materials according to the weight parts, mixing, stirring and dispersing uniformly, wherein the stirring speed is 150r/min, and thus obtaining a spinning solution;
(2) preparation of antibacterial mask
Under the condition of room temperature, spraying spinning solution to a receiving screen by using an electrostatic spinning technology, and receiving electrostatic spinning nano fibers by using a polypropylene non-woven fabric as a substrate to obtain the antibacterial mask; the electrostatic spinning conditions are as follows: the spinning distance was 12cm, the voltage was 25kV, and the extrusion speed was 4 mL/h.
The mask material prepared in this example was subjected to evaluation of antibacterial properties of textiles according to GB 20944.3-2008-T, part 3: the test results of the antibacterial performance test by the oscillation method are shown in table 2:
TABLE 2
Example 3
The preparation method of the antibacterial mask material comprises the following steps of: 3 parts of graphene, 2 parts of melittin, 5 parts of paraffin microemulsion and 170 parts of polypropylene;
the preparation method comprises the following steps:
(1) preparation of the spinning dope
Weighing the raw materials according to the weight parts, mixing, stirring and dispersing uniformly, wherein the stirring speed is 170r/min, and thus obtaining a spinning solution;
(2) preparation of antibacterial mask
Under the condition of room temperature, spraying spinning solution to a receiving screen by using an electrostatic spinning technology, and receiving electrostatic spinning nano fibers by using a polypropylene non-woven fabric as a substrate to obtain the antibacterial mask; the electrostatic spinning conditions are as follows: the spinning distance was 20cm, the voltage was 30kV, and the extrusion speed was 5 mL/h.
The mask material prepared in this example was subjected to evaluation of antibacterial properties of textiles according to GB 20944.3-2008-T, part 3: the test results of the antibacterial performance test by the oscillation method are shown in table 3:
TABLE 3
Comparative example 1
The difference between the comparative example 1 and the example 2 is that the antibacterial mask material in the comparative example 1 is prepared from the following raw materials in parts by weight: 4 parts of graphene and 170 parts of polypropylene. The antibacterial effect of the mask prepared therefrom is shown in table 4:
TABLE 4
Comparative example 2
The difference between the comparative example 2 and the example 2 is that the antibacterial mask material in the comparative example 2 is prepared from the following raw materials in parts by weight: 2 parts of melittin and 170 parts of polypropylene. The antibacterial effect of the mask prepared therefrom is shown in table 5:
TABLE 5
Comparative example 3
The difference between the comparative example 3 and the example 2 is that the antibacterial mask material in the comparative example 3 is prepared from the following raw materials in parts by weight: 3 parts of graphene, 2 parts of melittin and 170 parts of polypropylene. The antibacterial effect of the mask prepared therefrom is shown in table 6:
TABLE 6
The polypropylene melt-blown fabric without the paraffin microemulsion has certain reduction of antibacterial performance in different humidity environments, which shows that the water repellency generated by the paraffin microemulsion can improve the bacteriostatic effect of the melt-blown fabric.
Comparative example 4
The antimicrobial effect of the treated polypropylene nonwoven mask prepared with the commercially available antimicrobial agent is shown in table 7:
TABLE 7
After three commercially available antibacterial agents are selected to respectively perform surface function treatment on the polypropylene non-woven fabric according to respective used processes, the antibacterial performance is obviously lower than that of the polypropylene non-woven fabric in the embodiment.
Claims (5)
1. The preparation method of the antibacterial mask material is characterized in that the antibacterial mask material is prepared from the following raw materials in parts by weight: 2-4 parts of graphene, 1-3 parts of melittin, 4-6 parts of paraffin microemulsion and 184 parts of polypropylene 151-containing material;
the preparation method comprises the following steps:
(1) preparation of the spinning dope
Weighing the raw materials according to the weight parts, mixing, stirring and dispersing uniformly to obtain a spinning solution;
(2) preparation of antibacterial mask
And (3) under the room temperature condition, spraying the spinning solution to a receiving screen by using an electrostatic spinning technology, and receiving the electrostatic spinning nano-fibers by using a polypropylene non-woven fabric as a substrate to obtain the antibacterial mask.
2. The method for preparing an antibacterial mask material according to claim 1, wherein the antibacterial mask material is prepared from the following raw materials in parts by weight: 3 parts of graphene, 2 parts of melittin, 5 parts of paraffin microemulsion and 170 parts of polypropylene.
3. The method for preparing an antibacterial mask material according to claim 1, wherein the stirring speed in step (1) is 100-200 r/min.
4. The method for preparing an antibacterial mask material according to claim 1, wherein the method comprises the following steps: the electrostatic spinning conditions are as follows: the spinning distance is 10-20cm, the voltage is 20-30kV, and the extrusion speed is 2-5 mL/h.
5. The method for preparing an antibacterial mask material according to claim 1, wherein the method comprises the following steps: the electrostatic spinning conditions are as follows: the spinning distance was 12cm, the voltage was 25kV, and the extrusion speed was 4 mL/h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011601115.8A CN112680884A (en) | 2020-12-30 | 2020-12-30 | Preparation method of antibacterial mask material |
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| CN202011601115.8A CN112680884A (en) | 2020-12-30 | 2020-12-30 | Preparation method of antibacterial mask material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114304782A (en) * | 2021-12-30 | 2022-04-12 | 北京华熙海御科技有限公司 | Mask |
| CN115787282A (en) * | 2022-12-19 | 2023-03-14 | 南通大学 | Two-dimensional alkene modified antiviral photo-thermal nanofiber and preparation method thereof |
| US11925928B2 (en) | 2022-06-17 | 2024-03-12 | City University Of Hong Kong | Self-cleaning fabric and article |
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Cited By (3)
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|---|---|---|---|---|
| CN114304782A (en) * | 2021-12-30 | 2022-04-12 | 北京华熙海御科技有限公司 | Mask |
| US11925928B2 (en) | 2022-06-17 | 2024-03-12 | City University Of Hong Kong | Self-cleaning fabric and article |
| CN115787282A (en) * | 2022-12-19 | 2023-03-14 | 南通大学 | Two-dimensional alkene modified antiviral photo-thermal nanofiber and preparation method thereof |
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