CN219686774U - Flame-retardant electrostatic cotton - Google Patents

Flame-retardant electrostatic cotton Download PDF

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Publication number
CN219686774U
CN219686774U CN202320403370.4U CN202320403370U CN219686774U CN 219686774 U CN219686774 U CN 219686774U CN 202320403370 U CN202320403370 U CN 202320403370U CN 219686774 U CN219686774 U CN 219686774U
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Prior art keywords
flame
retardant
electrostatic
cotton
woven fabric
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CN202320403370.4U
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屠红斌
侯民
周慎
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Zhejiang Mingguan Filtration Technology Co ltd
Shanghai Mingguan Purification Materials Co ltd
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Zhejiang Mingguan Filtration Technology Co ltd
Shanghai Mingguan Purification Materials Co ltd
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Abstract

The utility model relates to flame-retardant electrostatic cotton, and belongs to the technical field of non-woven fabrics. The utility model discloses flame-retardant electrostatic cotton, which comprises flame-retardant non-woven fabric base fabric and electrostatic cotton; the flame-retardant non-woven fabric base fabric and the static cotton are compounded through a needling process; the non-woven fabric base fabric is non-woven fabric made of flame-retardant short fibers through a needling process. According to the flame-retardant electrostatic cotton, the flame-retardant non-woven fabric base fabric and the electrostatic cotton are subjected to needling compounding through the needling machine, so that the flame-retardant electrostatic cotton with a two-layer structure is formed, the flame-retardant performance of the product is endowed, and good filtration efficiency and lower filtration resistance of the electrostatic cotton can be maintained.

Description

Flame-retardant electrostatic cotton
Technical Field
The utility model relates to flame-retardant electrostatic cotton, and belongs to the technical field of non-woven fabrics.
Background
In recent years, various air purifying devices and technologies are continuously updated and developed along with the continuous enhancement of environmental protection consciousness of people. The air purifier can help people to remove harmful substances in the air, including pollutants such as virus, dust, formaldehyde and the like. The core component in the air purifier is various functional non-woven fabrics, and most of the functional non-woven fabrics are electrostatic cotton non-woven fabrics. As the name implies, the electrostatic cotton non-woven fabric is a non-woven fabric with static electricity, and nano/micron substances can be absorbed through the action of electrostatic adsorption, so that the non-woven fabric has high filtering efficiency and lower resistance.
In certain applications, it is desirable to impart more properties to the electrostatic wool, such as flame retardant properties. The non-woven fabric is endowed with flame retardant property, and a certain fire-fighting effect can be well achieved. However, in order to impart flame retardant properties to the electrostatic cotton, the present method is to mix, open, comb, spread and needle-punch the electrostatic short fibers with the flame retardant short fibers to obtain the non-woven fabric, in which the electrostatic fibers affect the flame retardant properties of the flame retardant fibers, and the flame retardant properties and the filtration efficiency of the prepared non-woven fabric are not ideal. How to provide flame-retardant electrostatic cotton with both flame-retardant performance and filtering efficiency is a problem to be solved.
Disclosure of Invention
The utility model aims to provide flame-retardant electrostatic cotton, which combines flame-retardant non-woven fabric base cloth with the electrostatic cotton through needling action of a needling machine, namely, the flame-retardant performance of the product is endowed, the flame-retardant performance and the filtering performance of the flame-retardant electrostatic cotton are optimized, and good filtering efficiency and lower filtering resistance of the flame-retardant electrostatic cotton can be maintained.
In order to solve the technical problems, the aim of the utility model is realized as follows:
the utility model relates to flame-retardant electrostatic cotton, which comprises flame-retardant non-woven fabric base fabric and electrostatic cotton; the flame-retardant non-woven fabric base fabric and the static cotton are compounded through a needling process; the flame-retardant non-woven fabric base fabric is a non-woven fabric made of flame-retardant short fibers through a needling process.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the fiber raw material used for the flame-retardant non-woven fabric base fabric is one of flame-retardant polyester staple fiber, flame-retardant polypropylene staple fiber or flame-retardant polyamide staple fiber.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the linear density of the flame-retardant short fiber is 1-15D; the length of the flame-retardant short fiber is 20-80mm.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the surface density of the flame-retardant non-woven fabric base fabric is 30-90 grams per square meter.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the thickness of the flame-retardant non-woven fabric base fabric is 0.5-2.0mm.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the surface density of the flame-retardant electrostatic cotton is 50-200 grams per square meter.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the thickness of the flame-retardant electrostatic cotton is 0.8-3.0mm.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the filtration efficiency of the flame-retardant electrostatic cotton on 0.3 mu mNaCl aerosol particles is 60% -99%.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the filtration resistance of the flame-retardant electrostatic cotton is 0-5Pa.
The beneficial effects of the utility model are as follows: according to the flame-retardant electrostatic cotton, the flame-retardant non-woven fabric base fabric and the electrostatic cotton are subjected to needling compounding through the needling machine, so that the flame-retardant electrostatic cotton with a two-layer structure is formed, the flame-retardant performance of the product is endowed, and good filtration efficiency and lower filtration resistance of the electrostatic cotton can be maintained.
Drawings
FIG. 1 is a schematic structural view of a flame retardant electrostatic cotton according to an embodiment;
fig. 2 is a schematic structural diagram of a flame retardant electrostatic cotton according to a third embodiment.
The labels in the figures are illustrated below: 1-a flame-retardant non-woven fabric base fabric; 2-electrostatic cotton; 3-antibacterial fiber layer.
Detailed Description
The utility model will be further described with reference to the drawings and specific examples.
The utility model relates to flame-retardant electrostatic cotton, which comprises a flame-retardant non-woven fabric base fabric 1 and electrostatic cotton 2; the flame-retardant non-woven fabric base fabric 1 and the static cotton 2 are compounded through a needling process; the non-woven fabric base fabric 1 is non-woven fabric made of flame-retardant short fibers through a needling process, and the electrostatic cotton 2 is non-woven fabric made of the electrostatic short fibers through the needling process.
The fiber raw material used for the flame-retardant non-woven fabric base fabric 1 is one of flame-retardant polyester short fiber, flame-retardant polypropylene short fiber or flame-retardant polyamide short fiber. Specifically, the linear density of the flame-retardant short fiber is 1-15D; the length of the flame-retardant short fiber is 20-80mm. The flame-retardant non-woven fabric base fabric 1 is formed by processing flame-retardant short fibers through a needling process, and the surface density of the prepared flame-retardant non-woven fabric base fabric 1 is 30-90 grams per square meter. The thickness of the flame-retardant non-woven fabric base fabric 1 is 0.5-2.0mm.
The surface density of the flame-retardant electrostatic cotton prepared in the utility model is 50-200 grams per square meter. The thickness of the flame-retardant electrostatic cotton is 0.8-3.0mm. In the aspect of filtration, the filtration efficiency of the flame-retardant electrostatic cotton on 0.3 mu mNaCl aerosol particles is 60% -99%. In the aspect of filtration resistance, the filtration resistance of the flame-retardant electrostatic cotton is 0-5Pa.
Example 1
As shown in FIG. 1, the flame-retardant nonwoven fabric base fabric 1 is made of polypropylene flame-retardant short fibers with linear density of 3D and length of 51mmObtained by a needle punching process, the gram weight is 51g/m 2 The thickness was 0.8mm. The electrostatic cotton 2 is formed by superposing a fiber web formed by a layer of polyacrylonitrile fibers and a fiber web formed by a layer of polypropylene electrostatic fibers and then processing the fiber web through a needling process. Wherein the polyacrylonitrile fiber net weight is 80% of the electrostatic cotton 2 weight and the polypropylene fiber net weight is 20% of the electrostatic cotton 2 weight. And the polypropylene fiber web is adjacent to one side of the flame retardant nonwoven base fabric 1.
After the flame-retardant non-woven fabric base fabric 1 and the static cotton 2 are compounded through a needling process, the flame-retardant static cotton with the gram weight of 97g/m is obtained 2 The thickness was 1.4mm. The filtration efficiency of the flame-retardant electrostatic cotton on 0.3 mu mNaCl aerosol particles was 95.953% and the filtration resistance was 1Pa.
Example two
As shown in FIG. 1, the flame-retardant nonwoven fabric base fabric 1 was obtained from polyester flame-retardant staple fibers having a linear density of 3D and a length of 51mm by a needle punching process, and had a gram weight of 60g/m 2 The thickness was 1.1mm. The electrostatic cotton 2 is obtained by 60% polyacrylonitrile fiber and 40% polypropylene electrostatic fiber through a needling process. The electrostatic cotton 2 is formed by superposing two layers of polypropylene electrostatic fiber webs and one layer of polyacrylonitrile fiber web and then processing the two layers of polypropylene electrostatic fiber webs through a needling process. The polyacrylonitrile fiber web is located between two polypropylene electrostatic fiber webs. And the weight of each layer of polypropylene electrostatic fiber net accounts for 20 percent of the weight of the electrostatic cotton 2.
After the flame-retardant non-woven fabric base fabric and the static cotton are compounded through a needling process, the flame-retardant static cotton with the gram weight of 115g/m is obtained 2 The thickness was 1.7mm. The filtration efficiency of the flame-retardant electrostatic cotton on 0.3 mu mNaCl aerosol particles was 96.370% and the filtration resistance was 0.7Pa.
Example III
This embodiment will be described in detail with reference to fig. 2. The difference between the flame-retardant electrostatic cotton related to this embodiment and the first embodiment is that: an antibacterial fiber layer 3 is arranged between the flame-retardant non-woven fabric base fabric 1 and the electrostatic cotton 2, and the antibacterial fiber layer 3 is formed by carding antibacterial polyester staple fibers into a net and then processing the net through hydroentanglement. The gram weight of the antibacterial fiber layer 3 was 25 g per square meter, and the antibacterial polyester staple fiber having a length of 38mm and 1.56dtex was used.
The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims (9)

1. The flame-retardant electrostatic cotton is characterized by comprising a flame-retardant non-woven fabric base fabric (1) and electrostatic cotton (2); the flame-retardant non-woven fabric base fabric (1) and the electrostatic cotton (2) are compounded through a needling process; the non-woven fabric base fabric (1) is non-woven fabric made of flame-retardant short fibers through a needling process.
2. The flame-retardant electrostatic cotton according to claim 1, wherein the fiber raw material used for the flame-retardant nonwoven fabric base fabric (1) is one of flame-retardant polyester staple fiber, flame-retardant polypropylene staple fiber or flame-retardant polyamide staple fiber.
3. A flame retardant electrostatic fabric according to claim 1, wherein the flame retardant staple fiber has a linear density of 1-15D; the length of the flame-retardant short fiber is 20-80mm.
4. A flame retardant electrostatic fabric according to claim 1, characterized in that the surface density of the flame retardant nonwoven base fabric (1) is 30-90 grams per square meter.
5. A flame retardant electrostatic fabric according to claim 1, characterized in that the thickness of the flame retardant nonwoven base fabric (1) is 0.5-2.0mm.
6. A flame retardant electrostatic wool according to claim 1, characterized in that the flame retardant electrostatic wool has an areal density of 50-200 grams per square meter.
7. A flame retardant electrostatic wool according to claim 1, wherein the thickness of the flame retardant electrostatic wool is 0.8-3.0mm.
8. A flame retardant electrostatic wool according to claim 1, characterized in that the filtration efficiency of the flame retardant electrostatic wool on 0.3 μmnacl aerosol particles is 60% -99%.
9. A flame retardant electrostatic wool according to claim 1, wherein the flame retardant electrostatic wool has a filtration resistance of 0-5Pa.
CN202320403370.4U 2023-03-06 2023-03-06 Flame-retardant electrostatic cotton Active CN219686774U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320403370.4U CN219686774U (en) 2023-03-06 2023-03-06 Flame-retardant electrostatic cotton

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320403370.4U CN219686774U (en) 2023-03-06 2023-03-06 Flame-retardant electrostatic cotton

Publications (1)

Publication Number Publication Date
CN219686774U true CN219686774U (en) 2023-09-15

Family

ID=87963339

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320403370.4U Active CN219686774U (en) 2023-03-06 2023-03-06 Flame-retardant electrostatic cotton

Country Status (1)

Country Link
CN (1) CN219686774U (en)

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