CN111961251A - Nano antibacterial material, preparation method thereof, antibacterial fiber material and application - Google Patents
Nano antibacterial material, preparation method thereof, antibacterial fiber material and application Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
- C08J2405/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2489/00—Characterised by the use of proteins; Derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
- C08K2003/2213—Oxides; Hydroxides of metals of rare earth metal of cerium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K2201/011—Nanostructured additives
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0058—Biocides
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Abstract
The invention provides a nano antibacterial material and a preparation method thereof, an antibacterial fiber material and application thereof, wherein the nano antibacterial material comprises the following components in percentage by mass: 0.3 to 6 percent of nano titanium dioxide, 0.5 to 4 percent of dispersant, 0.5 to 5 percent of calcium ion antibacterial agent, 0.1 to 6 percent of silver ion antibacterial agent, 0.1 to 3 percent of nano zinc oxide, 0.1 to 4 percent of nano aluminum oxide, 0 to 5 percent of nano cerium oxide and 0.5 to 10 percent of chitosan. The nano antibacterial material has the characteristics of high antibacterial efficiency and lasting antibacterial effect, is nontoxic, tasteless, nonirritating, good in air permeability, light and soft, reusable, environment-friendly, decomposable and good in hydrophobicity.
Description
Technical Field
The invention belongs to the technical field of processing of high molecular compounds, and particularly relates to a nano antibacterial material, a preparation method thereof, an antibacterial fiber material and application thereof.
Background
Many of the natural material cycles are accomplished by the metabolism of microorganisms, most of which are harmless to human beings, but some of which cause diseases to human beings, such as pathogenic bacteria, fungi, viruses, etc., so that the health of human bodies is threatened or even life is threatened. In recent years, with the improvement of living standard and the enhancement of health consciousness of people, the antibacterial material is increasingly applied to the life of people as a specific functional material, such as antibacterial fabric, antibacterial plastic, antibacterial fiber, antibacterial ceramic, antibacterial building material and the like. The textile fiber is favorable for the attachment of microorganisms due to the porous shape and the chemical structure of the macromolecular compound, and can be stained with sweat, cortex and other various human body secretions and environmental pollutants in the process of wearing or contacting in other forms, thereby providing a nutrient source for various harmful substances.
In the propagation and transmission process of pathogenic bacteria, textiles are usually good habitats and become important spreading sources of diseases, the traditional antibacterial materials have the defects of poor antibacterial capacity, durability and heat resistance, short service life, easy limitation of raw material processing conditions and difficulty in large-scale production and marketization, so that the research and development of novel antibacterial textiles have important significance, especially, fabrics taking high polymer materials as main materials are widely applied to products such as disposable medical materials, sanitary towels and infant diapers in recent years, and the products have high-efficiency and durable antibacterial performance.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the problems in the prior art, a nano antibacterial material with better antibacterial performance, a preparation method thereof, an antibacterial fiber material and application thereof are provided.
In order to solve the technical problems, the invention provides a nano antibacterial material which comprises the following components in percentage by mass: 0.3 to 6 percent of nano titanium dioxide, 0.5 to 4 percent of dispersant, 0.5 to 5 percent of calcium ion antibacterial agent, 0.1 to 6 percent of silver ion antibacterial agent, 0.1 to 3 percent of nano zinc oxide, 0.1 to 4 percent of nano aluminum oxide, 0 to 5 percent of nano cerium oxide and 0.5 to 10 percent of chitosan.
Further, the protein-containing biological protein-containing composite material also comprises a plant extract and a biological protein, wherein the plant extract comprises the following components in percentage by mass: 0.3-10% of seaweed extract, 0-3% of wormwood extract, 0.1-10% of curcumin and 0-3% of menthol; the biological protein comprises the following components in percentage by mass: snail extract protein 0.02-2%.
Further, the antibacterial material further comprises, by mass: 0.5 to 3 percent of aerogel, 0.1 to 10 percent of tourmaline, 0.2 to 15 percent of citronella essential oil and 0 to 10 percent of mineral powder.
Furthermore, in the antibacterial material, the sum of the mass percentages of the nano oxide, the plant extract and the biological protein is not more than 80%.
Further, the average grain size of the nano zinc oxide is 1nm-30nm, the average grain size of the nano aluminum oxide is 5nm-30nm, and the average grain size of the tourmaline is 200nm-20 μm.
Further, the mineral powder comprises high-crystal quartz sand and pure mineral substance ultrafine powder.
A method for preparing the nano antibacterial material comprises the following steps:
s1, sequentially adding the materials into the dispersing machine according to the proportion and uniformly stirring;
s2, putting the stirred materials into a nano grinder to grind the materials to a nano level;
s3, adding the ground nano material into a polypropylene grain extraction stirring cylinder according to the proportion and stirring uniformly;
s4, granulating at 168-200 ℃ to obtain the antibacterial master batch.
An antibacterial fiber material, which is prepared by processing the nano antibacterial material and the high polymer material according to any one of the above items, and is prepared by the following method:
and drawing or spinning the nano antibacterial material and polypropylene to form continuous filaments, laying the filaments into a net, and performing self-bonding, thermal bonding, chemical bonding or mechanical reinforcement treatment on the obtained fiber net to obtain the macromolecular nano antibacterial fiber material.
Furthermore, in the high-molecular nano antibacterial fiber material, the mass ratio of the nano antibacterial material is 5-30%.
An application of the high-molecular nano antibacterial material in food packaging material, medical and health material, aerospace material, air conditioner and automobile air conditioner filter element, interior decoration material, fresh-keeping packaging material or household material.
The invention provides a nano antibacterial material and a preparation method thereof, an antibacterial fiber material and application thereof, wherein the nano antibacterial material comprises the following components in percentage by mass: 0.3 to 6 percent of nano titanium dioxide, 0.5 to 4 percent of dispersant, 0.5 to 5 percent of calcium ion antibacterial agent, 0.1 to 6 percent of silver ion antibacterial agent, 0.1 to 3 percent of nano zinc oxide, 0.1 to 4 percent of nano aluminum oxide, 0 to 5 percent of nano cerium oxide and 0.5 to 10 percent of chitosan. The nano antibacterial material has the characteristics of high antibacterial efficiency and lasting antibacterial effect, is nontoxic, tasteless, nonirritating, good in air permeability, light and soft, reusable, environment-friendly, decomposable and good in hydrophobicity.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The mass of each component mentioned in the description of the embodiment of the present invention may not only refer to the specific content of each component, but also represent the proportional relationship of the mass between each component, and therefore, it is within the scope of the disclosure of the description of the embodiment of the present invention to scale up or down the content of each component according to the description of the embodiment of the present invention. Specifically, the mass described in the description of the embodiments of the present invention may be a mass unit known in the chemical industry field, such as μ g, mg, g, and kg.
Example 1
The embodiment provides a nano antibacterial material, an antibacterial fiber material and a preparation method thereof, wherein the nano antibacterial material comprises the following components in percentage by mass: 6% of nano titanium dioxide, 4% of dispersing agent, 5% of calcium ion antibacterial agent, 6% of silver ion antibacterial agent, 3% of nano zinc oxide, 4% of nano aluminum oxide, 2% of nano cerium oxide, 2% of snail extract protein, 10% of seaweed extract, 10% of chitosan, 3% of aerogel, 10% of curcumin, 10% of tourmaline, 15% of citronella essential oil and 10% of high-crystal quartz sand powder.
The preparation method comprises the following steps:
s1, sequentially adding the materials into a dispersing machine according to a proportion and uniformly stirring;
s2, putting the stirred materials into a nano grinder to grind the materials to a nano level;
s3, adding the ground nano material into a polypropylene grain extraction stirring cylinder according to the proportion and stirring uniformly;
s4, granulating at 168-200 ℃ to obtain antibacterial master batch;
s5, drawing or spinning the antibacterial master batches and polypropylene to form continuous filaments, laying the filaments into a net, and carrying out self-bonding, thermal bonding, chemical bonding or mechanical reinforcement on the obtained fiber net to obtain the macromolecular nano antibacterial fiber material.
In this embodiment, the polymer nano antibacterial fiber material is further processed to be manufactured into protective articles such as a mask and a protective clothing face mask, but the manufacturing is not limited to the mask of the mask protective clothing, because the fiber material containing nano antibacterial has a certain barrier function and good antibacterial performance, the fiber material has the characteristics of high antibacterial efficiency and lasting antibacterial effect, particularly, the antibacterial rate of common strains frequently contacted by people such as staphylococcus aureus, candida albicans and escherichia coli reaches 97% -99%, and the polymer material is non-toxic, odorless and non-irritant, and does not contain other chemical components, is stable in performance, and does not have toxicity, odor and skin irritation when being detected through international mutual recognition in China.
Example 2
The embodiment provides a nano antibacterial material, an antibacterial fiber material and a preparation method thereof, wherein the nano antibacterial material comprises the following components in percentage by mass: 5% of nano titanium dioxide, 3% of dispersing agent, 4% of calcium ion antibacterial agent, 5% of silver ion antibacterial agent, 2.7% of nano zinc oxide, 3.5% of nano aluminum oxide, 3% of nano cerium oxide, 2% of snail extract protein, 10% of seaweed extract, 9.6% of chitosan, 2% of aerogel, 3% of wormwood extract, 9.2% of curcumin, 3% of menthol, 10% of tourmaline, 15% of citronella essential oil and 10% of pure mineral substance ultrafine powder.
The preparation method comprises the following steps:
s1, sequentially adding the materials into a dispersing machine according to a proportion and uniformly stirring;
s2, putting the stirred materials into a nano grinder to grind the materials to a nano level;
s3, adding the ground nano material into a polypropylene grain extraction stirring cylinder according to the proportion and stirring uniformly;
s4, granulating at 168-200 ℃ to obtain antibacterial master batch;
s5, drawing or spinning the antibacterial master batches and polypropylene to form continuous filaments, laying the filaments into a net, and carrying out self-bonding, thermal bonding, chemical bonding or mechanical reinforcement on the obtained fiber net to obtain the macromolecular nano antibacterial fiber material.
In this embodiment, the polymer nano antibacterial fiber material can be further processed to be made into packaging materials such as fresh-keeping bags, the macromolecular nano antibacterial fiber material has very high hydrophobicity, can be well ventilated and preserved on a preservation package, simultaneously releases oxygen ions in a microenvironment to improve the preservation effect and taste, the fresh-keeping packaging material has good fresh-keeping effect on various vegetables, fruits and poultry, has good fresh-keeping effect on fresh and fruits and vegetables through tests, improves transportation time and storage time exponentially, has certain toughness, can be cleaned and reused for multiple times, therefore, the cost is saved, the generation of garbage is reduced, the chemical structure of the polypropylene raw material is not firm, molecular chains can be easily broken, and therefore the polypropylene raw material can be effectively decomposed under the action of ultraviolet rays and can be inorganically changed into nutrients required by plants.
Example 3
The embodiment provides a nano antibacterial material, an antibacterial fiber material and a preparation method thereof, wherein the nano antibacterial material comprises the following components in percentage by mass: 6% of nano titanium dioxide, 2.7% of dispersing agent, 4% of calcium ion antibacterial agent, 5% of silver ion antibacterial agent, 2.7% of nano zinc oxide, 3.8% of nano aluminum oxide, 5% of nano cerium oxide, 1% of snail extract protein, 10% of seaweed extract, 9.6% of chitosan, 2% of aerogel, 3% of wormwood extract, 9.2% of curcumin, 3% of menthol, 10% of tourmaline, 14% of citronella essential oil and 9% of high-crystal quartz sand powder.
The preparation method comprises the following steps:
s1, sequentially adding the materials into a dispersing machine according to a proportion and uniformly stirring;
s2, putting the stirred materials into a nano grinder to grind the materials to a nano level;
s3, directly adding the ground nano material into a polypropylene grain extraction stirring cylinder according to the proportion and uniformly stirring;
s4, granulating at 168-200 ℃ to obtain antibacterial master batch;
s5, drawing or spinning the antibacterial master batches and polypropylene to form continuous filaments, laying the filaments into a net, and carrying out self-bonding, thermal bonding, chemical bonding or mechanical reinforcement on the obtained fiber net to obtain the macromolecular nano antibacterial fiber material.
In this embodiment, the polymer nano antibacterial fiber material is further processed to be manufactured into articles such as clothes, sheets, and quilt covers, and the polymer nano antibacterial fiber material has a porous fiber structure, and the porous fiber material enables the cloth to have better ventilation and air permeability.
Example 4
The embodiment provides a nano antibacterial material, an antibacterial fiber material and a preparation method thereof, wherein the nano antibacterial material comprises the following components in percentage by mass: 6% of nano titanium dioxide, 3.2% of dispersing agent, 3.4% of calcium ion antibacterial agent, 4.6% of silver ion antibacterial agent, 2.7% of nano zinc oxide, 3.8% of nano aluminum oxide, 4% of nano cerium oxide, 1.5% of snail extract protein, 10% of seaweed extract, 9.6% of chitosan, 2% of aerogel, 3% of wormwood extract, 9.2% of curcumin, 3% of menthol, 10% of tourmaline, 15% of citronella essential oil and 9% of pure mineral substance ultrafine powder.
The preparation method comprises the following steps:
s1, sequentially adding the materials into a dispersing machine according to a proportion and uniformly stirring;
s2, putting the stirred materials into a nano grinder to grind the materials to a nano level;
s3, adding the ground nano material into a polypropylene grain extraction stirring cylinder according to the proportion and stirring uniformly;
s4, granulating at 168-200 ℃ to obtain antibacterial master batch;
s5, drawing or spinning the antibacterial master batches and polypropylene to form continuous filaments, laying the filaments into a net, and carrying out self-bonding, thermal bonding, chemical bonding or mechanical reinforcement on the obtained fiber net to obtain the macromolecular nano antibacterial fiber material.
In this embodiment, the polymer nano antibacterial fiber material is further processed, and can be applied to aerospace materials, air-conditioning and automobile air-conditioning filter elements, interior decoration materials and household materials, and particularly air-conditioning filter screens, but not limited to these materials, because the polymer nano antibacterial fiber material is light and soft, is formed by (2-3D) fine fibers through hot-melt bonding, and has the characteristics of soft and comfortable product, light material, less amount, low cost and the like.
In the present invention, inorganic oxides such as nano TiO are used2And ZnO2Etc., the sterilization mechanism is mainly based on the photocatalytic mechanism. When the bactericide is illuminated, electron-hole pairs are generated, and the electron-hole pairs are combined with water and oxygen in the air to generate hydroxyl radicals and superoxide anion radicals. The two free radicals have strong oxidation activity, and can react with organic substances in bacteria and components thereofThe secreted toxin acts to destroy the reproduction and regeneration capacity of the bacteria, reduce the vitality of the bacteria, and simultaneously attack the bacteria and outer cells, penetrate cell membranes and destroy the cell membrane structure of the bacteria, thereby thoroughly killing the bacteria. In addition, superoxide anion free radicals can further react with water to generate hydroxyl and hydrogen peroxide, and the hydrogen peroxide can pass through bacterial cell membranes, so that not only can bacteria be killed, but also lipid substances such as endotoxin released after the bacteria die can be decomposed, and the damage effect on cells is greatly increased.
In the process of the method for preparing the polymer nano antibacterial material, the ground nano material can be collected by spray drying or not before being directly added into a polypropylene grain-pumping stirring cylinder according to the proportion and stirred uniformly, and the preparation of the polymer nano antibacterial material is not influenced, wherein the pure mineral substance ultrafine powder in the mineral powder is silicate, but is not limited to silicate.
As mentioned above, the invention provides a nano antibacterial material and a preparation method thereof, an antibacterial fiber material and an application thereof, and the nano antibacterial material comprises the following components in percentage by mass: 0.3 to 6 percent of nano titanium dioxide, 0.5 to 4 percent of dispersant, 0.5 to 5 percent of calcium ion antibacterial agent, 0.1 to 6 percent of silver ion antibacterial agent, 0.1 to 3 percent of nano zinc oxide, 0.1 to 4 percent of nano aluminum oxide, 0 to 5 percent of nano cerium oxide and 0.5 to 10 percent of chitosan. The nano antibacterial material has the characteristics of high antibacterial efficiency and lasting antibacterial effect, is nontoxic, tasteless, nonirritating, good in air permeability, light and soft, reusable, environment-friendly, decomposable and good in hydrophobicity.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (10)
1. The nano antibacterial material is characterized by comprising the following components in percentage by mass: 0.3 to 6 percent of nano titanium dioxide, 0.5 to 4 percent of dispersant, 0.5 to 5 percent of calcium ion antibacterial agent, 0.1 to 6 percent of silver ion antibacterial agent, 0.1 to 3 percent of nano zinc oxide, 0.1 to 4 percent of nano aluminum oxide, 0 to 5 percent of nano cerium oxide and 0.5 to 10 percent of chitosan.
2. The nano-antimicrobial material according to claim 1, further comprising a plant extract and a bio-protein, wherein the plant extract comprises, in mass percent: 0.3-10% of seaweed extract, 0-3% of wormwood extract, 0.1-10% of curcumin and 0-3% of menthol; the biological protein comprises the following components in percentage by mass: snail extract protein 0.02-2%.
3. The nano-antimicrobial material according to claim 2, further comprising, in mass percent: 0.5 to 3 percent of aerogel, 0.1 to 10 percent of tourmaline, 0.2 to 15 percent of citronella essential oil and 0 to 10 percent of mineral powder.
4. The nano-antibacterial material as claimed in claim 3, wherein the sum of the mass percentages of nano-oxide, the plant extract and the biological protein in the antibacterial material is not more than 80%.
5. The antibacterial nanomaterial of claim 4, wherein the nano zinc oxide has an average particle size of 1nm to 30nm, the nano aluminum oxide has an average particle size of 5nm to 30nm, the nano titanium dioxide has an average particle size of 5nm, and the tourmaline has an average particle size of 200nm to 20 μm.
6. The nano-sized antimicrobial material according to claim 5, wherein the mineral powder comprises high crystalline quartz sand powder, pure mineral substance ultra-fine powder.
7. A method for preparing the nano antibacterial material according to any one of claims 1 to 6, comprising the steps of:
s1, sequentially adding the materials into the dispersing machine according to the proportion and uniformly stirring;
s2, putting the stirred materials into a nano grinder to grind the materials to a nano level;
s3, adding the ground nano material into a polypropylene grain extraction stirring cylinder according to the proportion and stirring uniformly;
s4, granulating at 168-200 ℃ to obtain the antibacterial master batch.
8. An antibacterial fiber material, characterized in that the fiber material is processed by the nano antibacterial material and the polymer material according to any one of claims 1 to 6, and the fiber material is prepared by the following method:
and drawing or spinning the nano antibacterial material and polypropylene to form continuous filaments, laying the filaments into a net, and carrying out self-bonding, thermal bonding, chemical bonding or mechanical reinforcement treatment on the obtained fiber net to obtain the macromolecular nano antibacterial fiber material.
9. The antibacterial fiber material of claim 8, wherein the antibacterial nanomaterial comprises a mass ratio of 5-30%.
10. The use of the polymeric nano antibacterial fiber material according to claim 8 or 9 in food packaging materials, medical and health materials, aerospace materials, air-conditioning and automotive air-conditioning filter elements, interior decoration materials, freshness-retaining packaging materials or household materials.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112970778A (en) * | 2021-02-02 | 2021-06-18 | 广东红蜘蛛纳米新材料有限公司 | Nano antibacterial material and preparation method thereof |
| CN116535955A (en) * | 2023-04-06 | 2023-08-04 | 中山尚洋科技股份有限公司 | Metal antibacterial liquid and application thereof |
| CN117228985A (en) * | 2023-09-27 | 2023-12-15 | 福建超瓷新型材料有限公司 | Quartz stone composition, preparation method and application thereof |
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| CN112970778A (en) * | 2021-02-02 | 2021-06-18 | 广东红蜘蛛纳米新材料有限公司 | Nano antibacterial material and preparation method thereof |
| CN116535955A (en) * | 2023-04-06 | 2023-08-04 | 中山尚洋科技股份有限公司 | Metal antibacterial liquid and application thereof |
| CN116535955B (en) * | 2023-04-06 | 2024-03-01 | 中山尚洋科技股份有限公司 | Metal antibacterial liquid and application thereof |
| CN117228985A (en) * | 2023-09-27 | 2023-12-15 | 福建超瓷新型材料有限公司 | Quartz stone composition, preparation method and application thereof |
| CN117228985B (en) * | 2023-09-27 | 2024-05-31 | 福建超瓷新型材料有限公司 | Quartz stone composition, preparation method and application thereof |
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