CN112160162A - Novel antibacterial dustproof anti-poison filtering piece - Google Patents

Novel antibacterial dustproof anti-poison filtering piece Download PDF

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Publication number
CN112160162A
CN112160162A CN202010975798.7A CN202010975798A CN112160162A CN 112160162 A CN112160162 A CN 112160162A CN 202010975798 A CN202010975798 A CN 202010975798A CN 112160162 A CN112160162 A CN 112160162A
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China
Prior art keywords
antibacterial
dustproof
layer
activated carbon
folding
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Pending
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CN202010975798.7A
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Chinese (zh)
Inventor
徐杰
刘亚平
邓永兵
王云龙
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Jiangsu Gaoma Protective Equipment Co ltd
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Jiangsu Gaoma Protective Equipment Co ltd
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Priority to CN202010975798.7A priority Critical patent/CN112160162A/en
Publication of CN112160162A publication Critical patent/CN112160162A/en
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D06M15/05—Cellulose or derivatives thereof
    • D06M15/09—Cellulose ethers
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • A62B7/10—Respiratory apparatus with filter elements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
    • D06M13/248—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
    • D06M13/256—Sulfonated compounds esters thereof, e.g. sultones
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
    • D06M13/503—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms without bond between a carbon atom and a metal or a boron, silicon, selenium or tellurium atom
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
    • D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
    • D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic

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  • Textile Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
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  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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  • Biochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Filtering Materials (AREA)

Abstract

The invention discloses a novel antibacterial dustproof and anti-toxic filter piece, which comprises an antibacterial dustproof layer and an anti-toxic layer, wherein a filter base material loaded with an antibacterial agent is arranged in the antibacterial dustproof layer, and the antibacterial agent comprises the following components in parts by weight: according to the mass percentage, 2-5% of penta-polylysine phthalocyanine zinc, 2-5% of polyhexamethylene biguanide hydrochloride, 2-5% of tetraethoxysilane, 0.2-1% of citric acid monohydrate, 0.1-0.5% of sodium carboxymethyl cellulose, 0.1-0.5% of sodium dodecyl benzene sulfonate and the balance of ethanol water solution; wherein the concentration of the ethanol aqueous solution is 10-50%. The invention can prevent poison, bacteria and dust through the structural design and the modification of the material, and has wide prevention range, good effect and long service life.

Description

Novel antibacterial dustproof anti-poison filtering piece
Technical Field
The invention belongs to the technical field of protective articles, and particularly relates to a novel antibacterial dustproof and anti-virus filter piece, which is modified particularly aiming at the materials of an antibacterial dustproof part and an anti-virus part in the filter piece.
Background
A gas mask is a protective device for preventing human body from being damaged by toxic substances such as poison gas, dust, bacteria, toxic and harmful gas or steam. At present, a gas mask mainly comprises a filter element, a mask body, an eye window, an exhalation talking device, a head band and other parts, wherein the filter element is a gatekeeper of the gas mask and filters impurities in air. Most of filter elements in the prior art have unsatisfactory filter effect, can not fully protect, filter various toxic substances, and have the defects of nonuniform filtration, poor filter effect, short filter aging and the like when in use, thereby influencing the use. Meanwhile, the existing gas masks are single in function, have no antibacterial effect and the like, are abused by various viruses at present, particularly new coronavirus is widely spread, the use occasions and the requirements of the gas masks are more and more increased, and the general gas masks cannot meet the use requirements.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a novel antibacterial dustproof and anti-virus filter piece which can prevent virus, bacteria and dust, has a wide prevention range, a good effect and long service time and can be used for a long time by structural design and modification of materials.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a novel antibiotic dustproof gas defense filter piece, contains antibiotic dust protection layer and gas defense layer two parts, be equipped with the filtration substrate that the load has the antibacterial agent in the antibiotic dust protection layer, each component distribution ratio of antibacterial agent is: according to the mass percentage, 2-5% of penta-polylysine phthalocyanine zinc, 2-5% of polyhexamethylene biguanide hydrochloride, 2-5% of tetraethoxysilane, 0.2-1% of citric acid monohydrate, 0.1-0.5% of sodium carboxymethyl cellulose, 0.1-0.5% of sodium dodecyl benzene sulfonate and the balance of ethanol water solution; wherein the concentration of the ethanol aqueous solution is 10-50%.
The invention forms mutually promoted and complementary sterilization main components and auxiliary components through the formula proportioning, also mixes the dispersing agent to ensure that all the components can be fully dissolved, and simultaneously sets the citric acid monohydrate, the sodium carboxymethyl cellulose and other components to ensure that the antibacterial agent can be uniformly, stably and firmly adhered and loaded on the filter base material in the drying process, and no dust, no stimulation and no corrosion are generated in the using process.
The invention can inhibit and kill various bacteria, viruses, fungi and the like, for example, has better killing effect on escherichia coli, proteus, staphylococcus aureus, pseudomonas aeruginosa, bacillus anthracis, typhoid and paratyphoid bacillus, dysentery bacillus and the like, and also has better epidemic prevention and sterilization effect on some epidemic infectious disease germs.
As a further improvement of the invention: the specific processing technology of the filtering base material loaded with the antibacterial agent comprises the following steps: and spraying, coating or dipping the antibacterial agent on the filter substrate, and drying the filter substrate in a vacuum drying oven for 1-6 hours at the drying temperature of 50-80 ℃ and the vacuum degree of 0.06-0.09 MPa.
The invention controls the drying temperature in the processing process, reduces the decomposition of each component, maintains the stability of each component, particularly the sterilization component, controls the vacuum drying, and further dries the deep moisture of the material loaded on the filtering base material, thereby expanding the pore channel of the filtering and adsorbing base material, enhancing the adsorption effect and reducing the respiratory resistance.
As a preferred embodiment of the present invention: the filtering base material is one or a plurality of non-woven fabrics, glass fiber paper and melt-blown cloth.
As a further improvement of the invention: the filtering base material loaded with the antibacterial agent is arranged in the antibacterial dustproof layer in a folding mode, and the specific folding mode is as follows: the folding height is 0.3 cm-1 cm, and the folding density is 10-25 folds per 5cm of folding. Therefore, the using area of the filter base material can be further increased in the effective unit area, the sterilization effect is improved, and the sterilization time can be prolonged.
To ensure the stability of the folded filter substrate in use; the comb-shaped reinforcing division bar is arranged in the folding layer, and comb teeth of the reinforcing division bar are inserted into the folding layer. Therefore, the folding distance can be adjusted and controlled, and the folding filter cotton can be kept from deformation.
As a further improvement of the invention, in order to improve the comprehensive protection effect of the product on harmful gases, the active carbon in the gas defense layer is modified, and the specific operation method comprises the following steps:
preparing a dipping solution: the weight percentage of each component is as follows: 1-3% of ammonium bicarbonate, 2-10% of basic copper carbonate, 0.2-1% of basic zinc carbonate, 2-6% of ammonium chloride, 0.1-0.5% of silver nitrate, 3-15% of calcium chloride, 20-60% of ammonia water and the balance of deionized water;
modified activated carbon: mixing activated carbon and an impregnation solution according to the weight ratio of 1: 3, soaking the activated carbon in the soaking solution for 4-6 hours, filtering, putting the soaked activated carbon in a drying oven, and drying at 140-160 ℃ for 40-60 minutes under the protection of nitrogen to obtain the modified activated carbon.
The modified activated carbon is comprehensive protection activated carbon and has protection effect on A, B, E, K four types of gases. Wherein, the A gas is benzene or aniline. Organic gases such as carbon tetrachloride and nitrobenzene; the B type gas is inorganic acid gas such as cyanogen chloride, hydrocyanic acid, chlorine and the like; the E-type gas is sulfur dioxide; the K-type gas is alkaline gas such as ammonia gas. In addition, the series of active carbon has good protective effect on hydrogen sulfide. According to the invention, through improving the formula, in the filter element in the form, the protection time of A-type gas is more than 120 minutes, the protection time of B-type gas is more than 45 minutes, the protection time of E-type gas is more than 50 minutes, the protection time of K-type gas is more than 60 minutes, and the protection time of hydrogen sulfide is more than 80 minutes.
In particular, the activated carbon of the invention is a chromium-free formula activated carbon. The conventional chromium-containing carbon can protect HCN for a long time which can reach more than 35 minutes, but the chromium-free carbon can protect HCN for a short time which is only about 10 to 15 minutes. According to the invention, by adjusting the formula, calcium chloride and the like are added in proportion, and the ammonia water solution is added to adjust the pH value of the impregnation agent, so that the pH value of the modified activated carbon is adjusted, and the protection time of the activated carbon on HCN is also more than 45 minutes.
Drawings
FIG. 1 is a schematic view of a filter element according to the present invention;
FIG. 2 is a schematic view of the assembly structure of the reinforcing partition bars and the filter substrate according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
First embodiment, as shown in fig. 1, the present embodiment relates to a novel antibacterial, dustproof and anti-poison filter element, which comprises a housing 1, an antibacterial and anti-dust layer 2 and an anti-poison layer 4, wherein a folded filter substrate 21 loaded with an antibacterial agent is arranged in the antibacterial and anti-dust layer 2, and modified activated carbon is arranged in the anti-poison layer 4. As shown in fig. 1 and 2: the specific folding pattern of the folded antimicrobial-laden filter substrate 21 is: the folding height is 0.8cm, and the folding density is 18 folds per 5 cm; the comb-shaped reinforcing partition strips 22 are arranged, comb teeth of the reinforcing partition strips 22 are inserted into the folding layers to adjust and control folding intervals, the folding filter cotton can be kept not to deform, and the reinforcing partition strips 22 are fixedly connected with the shell in a gluing mode.
The preparation method of the antibacterial dustproof layer 2 comprises the following steps: and cutting the folded antibacterial filtering base material into a proper shape by using a laser cutting process, and packaging the folded antibacterial filtering base material on the upper layer of the filtering piece by using a cementing process to form the antibacterial dustproof layer.
The preparation method of the anti-virus layer 4 comprises the following steps: a certain amount of modified activated carbon is arranged at the lower layer of the filter piece, the activated carbon is densely filled by using a vibration filling process, and the partition plate 3 is welded above the gas defense layer by using an ultrasonic induced welding process.
The gas protection layer 4 and the antibacterial dust protection layer 2 are separated by a partition board and non-woven fabrics, so that the modified activated carbon is prevented from polluting the antibacterial dust protection material. The filter substrate in the invention can be one or a plurality of composite materials of non-woven fabrics, glass fiber paper and melt-blown fabrics, and the non-woven fabrics are selected in the embodiment.
In this embodiment: the specific processing technology of the filtering base material loaded with the antibacterial agent comprises the following steps: the antibacterial agent is sprayed, coated or soaked on the filter base material, and the filter base material is dried in a vacuum drying oven for 4 hours at the drying temperature of 60 ℃ and the vacuum degree of 0.08 MPa. The drying temperature is mainly set according to main components such as penta-polylysine phthalocyanine zinc and polyhexamethylene biguanide hydrochloride.
The antibacterial agent used in the embodiment comprises the following components in parts by weight: according to the mass percentage, 4 percent of penta-polylysine phthalocyanine zinc, 3 percent of polyhexamethylene biguanide hydrochloride, 3 percent of ethyl orthosilicate, 0.6 percent of citric acid monohydrate, 0.3 percent of sodium carboxymethyl cellulose, 0.3 percent of sodium dodecyl benzene sulfonate and the balance of ethanol water solution; wherein the concentration of the ethanol aqueous solution is 30%.
In this embodiment: the specific operation method of the modified activated carbon related to the gas defense layer is as follows:
preparing a dipping solution: the weight percentage of each component is as follows: 2% of ammonium bicarbonate, 6% of basic copper carbonate, 0.6% of basic zinc carbonate, 4% of ammonium chloride, 0.3% of silver nitrate, 7% of calcium chloride, 40% of ammonia water and the balance of deionized water;
modified activated carbon: mixing activated carbon and an impregnation solution according to the weight ratio of 1: 3, soaking the activated carbon in the soaking solution for 5 hours, filtering, putting the soaked activated carbon in a drying oven, and drying at the temperature of 150 ℃ for 50 minutes under the protection of nitrogen to obtain the modified activated carbon.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention.

Claims (6)

1. The utility model provides a novel antibiotic dustproof gas defense filters piece, contains antibiotic dust protection layer and gas defense layer, its characterized in that: the antibacterial dustproof layer is internally provided with a filtering base material loaded with an antibacterial agent, and the antibacterial agent comprises the following components in percentage by weight: according to the mass percentage, 2-5% of penta-polylysine phthalocyanine zinc, 2-5% of polyhexamethylene biguanide hydrochloride, 2-5% of tetraethoxysilane, 0.2-1% of citric acid monohydrate, 0.1-0.5% of sodium carboxymethyl cellulose, 0.1-0.5% of sodium dodecyl benzene sulfonate and the balance of ethanol water solution; wherein the concentration of the ethanol aqueous solution is 10-50%.
2. The novel antibacterial, dustproof, and antigas filter according to claim 1, wherein: the specific processing technology of the filtering base material loaded with the antibacterial agent comprises the following steps: and spraying, coating or dipping the antibacterial agent on the filter substrate, and drying the filter substrate in a vacuum drying oven for 1-6 hours at the drying temperature of 50-80 ℃ and the vacuum degree of 0.06-0.09 MPa.
3. The novel antibacterial, dustproof, and antigas filter according to claim 1 or 2, characterized in that: the filtering base material is one or a plurality of non-woven fabrics, glass fiber paper and melt-blown cloth.
4. The novel antibacterial, dustproof, and antigas filter according to claim 1 or 2, characterized in that: the filtering base material loaded with the antibacterial agent is arranged in the antibacterial dustproof layer in a folding mode, and the specific folding mode is as follows: the folding height is 0.3 cm-1 cm, and the folding density is 10-25 folds per 5cm of folding.
5. The novel antibacterial, dustproof, and antigas filter according to claim 4, wherein: the comb-shaped reinforcing parting bead is arranged, and comb teeth of the reinforcing parting bead are inserted into the folding layer.
6. The novel antibacterial, dustproof, and antigas filter according to claim 1, wherein: the anti-poison layer is provided with modified activated carbon, and the specific operation method comprises the following steps:
preparing a dipping solution: the weight percentage of each component is as follows: 1-3% of ammonium bicarbonate, 2-10% of basic copper carbonate, 0.2-1% of basic zinc carbonate, 2-6% of ammonium chloride, 0.1-0.5% of silver nitrate, 3-15% of calcium chloride, 20-60% of ammonia water and the balance of deionized water;
modified activated carbon: mixing activated carbon and an impregnation solution according to the weight ratio of 1: 3, soaking the activated carbon in the soaking solution for 4-6 hours, filtering, placing the soaked activated carbon in a drying oven, and drying at 140-160 ℃ for 40-60 minutes under the protection of nitrogen to obtain the modified activated carbon.
CN202010975798.7A 2020-09-16 2020-09-16 Novel antibacterial dustproof anti-poison filtering piece Pending CN112160162A (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN114712937A (en) * 2022-03-17 2022-07-08 固安县济科铁路机车配件有限公司 Air filter element material and method capable of sterilizing fresh air of air conditioner and viruses and filter element

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114712937A (en) * 2022-03-17 2022-07-08 固安县济科铁路机车配件有限公司 Air filter element material and method capable of sterilizing fresh air of air conditioner and viruses and filter element

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Application publication date: 20210101