CN112359492A - Method for modifying non-woven fabric - Google Patents

Method for modifying non-woven fabric Download PDF

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Publication number
CN112359492A
CN112359492A CN202011618900.4A CN202011618900A CN112359492A CN 112359492 A CN112359492 A CN 112359492A CN 202011618900 A CN202011618900 A CN 202011618900A CN 112359492 A CN112359492 A CN 112359492A
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Prior art keywords
woven fabric
slurry
modifying
sizing
grinding
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CN202011618900.4A
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Chinese (zh)
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CN112359492B (en
Inventor
崔大祥
陈超
王敬锋
林琳
金彩虹
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Shanghai National Engineering Research Center for Nanotechnology Co Ltd
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Shanghai National Engineering Research Center for Nanotechnology Co Ltd
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/0007—Electro-spinning
    • D01D5/0015—Electro-spinning characterised by the initial state of the material
    • D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/0007—Electro-spinning
    • D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/0007—Electro-spinning
    • D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
    • D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
    • D01D5/0084—Coating by electro-spinning, i.e. the electro-spun fibres are not removed from the collecting device but remain integral with it, e.g. coating of prostheses
    • 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
    • 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
    • D01F6/50—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 polyalcohols, polyacetals or polyketals

Abstract

The invention discloses a method for modifying non-woven fabrics, which comprises the steps of grinding a film-forming spinning component and a functional filler component into emulsion by using a low-temperature wet grinding process, and then carrying out spinning modification on the pre-treated non-woven fabrics by using an electrostatic spinning process to obtain an antibacterial hydrophobic filter material with a negative ion release function. The non-woven fabric is treated in a glutaraldehyde fumigation chamber in advance and then is tightly attached to a polar plate right above the rubber roller to perform horizontal uniform-speed rolling motion, slurry at the upper end of the rubber roller upwards forms jet flow under the action of high-voltage electrostatic field force, the jet flow is uniformly deposited on the non-woven fabric above to form a fiber covering interwoven layer, finally, the modified non-woven fabric is obtained, and tests prove that the functions of antibiosis, water repellency, negative ion release and the like are realized on the finished fabric.

Description

Method for modifying non-woven fabric
Technical Field
The invention belongs to the technical field of composite materials, and particularly relates to a method for modifying non-woven fabrics.
Background
In modern society, along with the improvement of living standard of people, the further deepening of urbanization and industrialization, the balance of natural ecology is broken step by step, the population is dense, the factory building stands in forest, the smoke and dust is increased greatly, air pollution and severe climate change are added, the haze phenomenon happens sometimes, the air quality cannot be guaranteed, and people urgently need to safely treat the ambient air. In daily life of people, various curtains, window screens, air filters and masks effectively guarantee breathing of people, and how to realize the multifunction of the cloth to guarantee health of people is the aim of the invention.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a method for modifying non-woven fabric.
The invention also aims to provide a product obtained by the modification method.
The purpose of the invention is realized by the following scheme: a method for modifying non-woven fabrics is characterized in that a film-forming spinning component and a functional filler component are ground into emulsion by using a low-temperature wet grinding process, and then spinning modification is carried out on the pre-treated non-woven fabrics by using an electrostatic spinning process to obtain an antibacterial hydrophobic filtering material with a negative ion release function, and the method comprises the following steps:
(1) pulping: taking chitosan, tourmaline powder, polytetrafluoroethylene powder, polyvinyl alcohol powder and acetic acid aqueous solution with the concentration of 0.5-1%, mixing the materials according to the mass ratio of (0.5-3), (1-5), (100), (1000-2000),the initial particle size of each material is not more than 150 meshes, the materials are premixed and then poured into wet grinding equipment, the grinding medium is zirconia microspheres, the grinding rotating speed is 1700-2000 rpm, the temperature of the materials during grinding is controlled below 3 ℃, and when the particle size D of particles in the materials is90Discharging when the particle size is less than or equal to 0.5 mu m to obtain modified slurry;
(2) non-woven fabric modification: adding the modified slurry into a sizing trough, wherein the addition amount is 3-5 mm when the bottom of a rubber roll is immersed into the slurry, meanwhile, a peristaltic pump slurry feeding circulation system is connected, the rubber roll is connected with high voltage for rotating sizing, the non-woven fabric is processed by a glutaraldehyde fumigation chamber and then is tightly attached to a polar plate right above the rubber roll for horizontal uniform rolling action, the slurry at the upper end of the rubber roll forms jet flow upwards under the action of high-voltage electrostatic field force, and the slurry is uniformly deposited on the non-woven fabric above to form a fiber covering interwoven layer, so that the modified non-woven fabric is obtained.
In the step (1), the polymerization degree of the polyvinyl alcohol powder is 1700-1800, and the alcoholysis degree is 88%.
In the step (1), the diameter of the grinding medium zirconia microspheres used in the wet grinding is less than or equal to 0.1 mm.
In the step (2), the concentration of the glutaraldehyde aqueous solution in the fumigation chamber is 50%, and the fumigation temperature is 60-70 ℃.
In the step (2), the gram weight of the used non-woven fabric is preferably 10-20 g/m2。
In the step (2), as shown in fig. 1, a plurality of rubber rollers which are parallel to each other are simultaneously placed in a sizing trough, the rubber rollers have the same specification, are simultaneously electrified for rotary sizing, and the rotating direction is independently controlled.
On the basis of the scheme, the power connection voltage range during spinning is 70-100 KV, the distance h between the upper end of the rubber roll and the polar plate ranges from 170-200 mm, the winding speed of the non-woven fabric is 0.2-1 m/s, the environmental temperature of the spraying space is 40-50 ℃, and the humidity is 70-80%.
The invention also provides a modified non-woven fabric obtained by the modification method, the antibacterial rate of the modified non-woven fabric to staphylococcus aureus and escherichia coli is more than or equal to 99%, the hydrophobic angle is more than 90 degrees, and the release amount of negative oxygen ions is more than 1500/cm3Pm2.5 barrier rate is greater than 95%, and air resistance is less than60Pa。
The invention discloses a method for modifying non-woven fabrics, which utilizes a low-temperature wet grinding process to grind spinning components and functional filler components into emulsion so that all the components are fully and uniformly dispersed. Then, the slurry is connected with high voltage through a rubber roller by an electrostatic spinning process and is rotationally sized at a proper rotating speed. The non-woven fabric is treated in a glutaraldehyde fumigation chamber in advance and then is tightly attached to a polar plate right above the rubber roller to perform horizontal uniform-speed rolling motion, slurry at the upper end of the rubber roller upwards forms jet flow under the action of high-voltage electrostatic field force, the jet flow is uniformly deposited on the non-woven fabric above to form a fiber covering interwoven layer, finally, the modified non-woven fabric is obtained, and tests prove that the functions of antibiosis, water repellency, negative ion release and the like are realized on the finished fabric.
Drawings
FIG. 1: a flow chart of non-woven fabric modification process equipment;
FIG. 2: example 1 electron scanning electron microscope photograph after spinning on the surface of the nonwoven fabric;
the reference numbers in the figures illustrate:
1-gluing trough; 11-sizing roller;
2-slurry supplement groove; 21. 22-peristaltic pumps one, two;
3-pole plate; 4-a fumigation chamber;
5-guide roll; and 6, rolling the roller.
Detailed Description
The present invention is described in detail by the following specific examples, but the scope of the present invention is not limited to these examples.
Example 1
A modified non-woven fabric is prepared by grinding a film-forming spinning component and a functional filler component into emulsion by using a low-temperature wet grinding process, and then performing spinning modification on the pre-treated non-woven fabric by using an electrostatic spinning process to obtain an antibacterial hydrophobic filter material with a negative ion release function, wherein the modified non-woven fabric is prepared by the following steps as shown in figure 1:
(1) pulping: taking 3g of chitosan, 5g of tourmaline powder, 5g of polytetrafluoroethylene powder, 100g of polyvinyl alcohol powder and adding to 2000 g of the mixtureg 0.5-1% acetic acid water solution, the initial grain size of each material is not more than 150 meshes, the materials are pre-mixed and then poured into wet grinding equipment, the grinding medium is zirconia microspheres, the grinding speed is 2000rpm, the temperature of the materials during grinding is controlled below 3 ℃, and when the grain size D of the grains in the materials is90Discharging when the particle size is not less than 0.2 mu m to obtain modified slurry;
(2) non-woven fabric modification:
the non-woven fabric modification process equipment shown in the figure 1 is used, and comprises a sizing trough 1, wherein the sizing trough 1 is connected into a slurry supplementing circulation system consisting of a peristaltic pump I, a peristaltic pump II and a slurry supplementing trough 2, modified slurry is added into the sizing trough 1, the slurry at the bottom of a sizing roller 11 is kept to be 3-5 mm submerged into the sizing trough 1, a polar plate 3 is arranged above the sizing roller 11 at a distance h =200mm, the sizing roller 11 is connected with a high voltage of 100KV and rotates at a proper rotating speed for sizing, the spinning environment temperature is 40 ℃ and the humidity is 80%, the non-woven fabric is processed in a glutaraldehyde fumigation chamber 4 at 70 ℃, is tightly attached to the polar plate 3 above the sizing roller 11 through a guide roller 5, is horizontally wound at a constant speed by a winding roller 6, the speed is 1m/s, the slurry at the upper end of the winding roller 11 upwards forms jet flow under the action of high-voltage electrostatic field force, and is, the modified nonwoven fabric is obtained, the electron scanning electron microscope photograph of the nonwoven fabric surface after spinning is shown in figure 2, and the test data is shown in table 1.
Example 2
A modified nonwoven fabric, similar to example 1, prepared by the following steps:
(1) pulping: adding 0.5g of chitosan, 1g of tourmaline powder, 1g of polytetrafluoroethylene powder and 100g of polyvinyl alcohol powder into 1000g of 0.5% acetic acid aqueous solution for proportioning, premixing, and then filling into wet grinding equipment, wherein the grinding medium is zirconia microspheres, the grinding speed is 1700rpm, the temperature of the material during grinding is controlled below 3 ℃, and when the particle size D of particles in the material is less than 3 DEG90Discharging when the particle size is not less than 0.5 mu m to obtain modified slurry;
(2) non-woven fabric modification:
adding the modified slurry into a sizing trough 1 in the device shown in the figure 1, wherein the addition amount is preferably 3-5 mm larger than that of the slurry immersed at the bottom of a rubber roller 11, and simultaneously connecting a slurry feeding circulation system of a peristaltic pump, wherein the rubber roller 11 is connected with 70KV high voltage and rotates at a proper rotating speed for sizing, the distance h =170mm between the top of the rubber roller 11 and a polar plate 3, the spinning environment temperature is 50 ℃, and the humidity is 70%; the non-woven fabric is treated in advance in a glutaraldehyde fumigation chamber 4 at 60 ℃, then is tightly attached to the pole plate 3 right above the upper sizing roller 11 to perform horizontal uniform rolling motion at the rolling speed of 0.2m/s, the sizing agent at the upper end of the upper sizing roller 11 forms upward jet flow under the action of high-voltage electrostatic field force, the upward jet flow is uniformly deposited on the non-woven fabric above to form a fiber covering interwoven layer, and the modified non-woven fabric is obtained, wherein the test data are shown in table 1.
Example 3
A modified nonwoven fabric, similar to example 1, prepared by the following steps:
(1) pulping: adding 1g of chitosan, 2g of tourmaline powder, 2g of polytetrafluoroethylene powder and 100g of polyvinyl alcohol powder into 1400g of 0.7% acetic acid aqueous solution for batching, premixing, and then filling into wet grinding equipment, wherein a grinding medium is zirconia microspheres, the grinding speed is 1800rpm, the temperature of the material during grinding is controlled below 3 ℃, and when the particle size D of particles in the material is less than 3 DEG90Discharging when the particle size is not less than 0.4 mu m to obtain modified slurry;
(2) non-woven fabric modification:
adding the modified slurry into a sizing trough 1, wherein the addition amount is preferably 3-5 mm larger than that of the slurry immersed at the bottom of a rubber roller 11, simultaneously connecting a slurry feeding circulation system of a peristaltic pump, connecting 80KV high voltage to the sizing roller 11, rotating and sizing at a proper rotating speed, enabling the distance h between the top of the sizing roller 11 and a polar plate 3 to be =180mm, controlling the spinning environment temperature to be 46 ℃ and the humidity to be 76%, processing a non-woven fabric in a glutaraldehyde fumigation chamber 4 at 64 ℃ in advance, then tightly adhering the polar plate 3 right above the sizing roller 11 to perform horizontal uniform rolling action, wherein the rolling speed is 0.4m/s, enabling the slurry at the upper end of the rubber roller to form a jet flow upwards under the action of high-pressure electrostatic field force, uniformly depositing the slurry on the non-woven fabric above the non-woven fabric.
Example 4
A modified nonwoven fabric, similar to example 1, prepared by the following steps:
(1) pulping: taking 2g of chitosan, 4g of tourmaline powder, 4g of polytetrafluoroethylene powder and 100g of polyvinyl alcohol powderAdding 1800g of acetic acid aqueous solution with the concentration of 0.8% for burdening, pre-mixing, and then filling into a wet grinding device, wherein the grinding medium is zirconia microspheres, the grinding speed is 1900rpm, the temperature of the material during grinding is controlled below 3 ℃, and when the particle diameter D of the particles in the material is90Discharging when the particle size is not less than 0.4 mu m to obtain modified slurry;
(2) non-woven fabric modification:
adding modified slurry into a sizing trough 1, wherein the addition amount is more than that of the slurry which is immersed in the bottom of a rubber roll 11 by 3-5 mm, and simultaneously connecting a peristaltic pump slurry feeding circulation system, the sizing roll 11 is connected with 90KV high voltage and rotates at a proper rotating speed for sizing, the distance h between the top of the sizing roll 11 and a polar plate is =190mm, the spinning environment temperature is 46 ℃ and the humidity is 76%, the non-woven fabric is processed in a glutaraldehyde fumigation chamber 4 at 66 ℃ in advance and then is tightly attached to the polar plate 3 right above the sizing roll 11 for horizontal uniform rolling action, the rolling speed is 0.6m/s, the slurry at the upper end of the sizing roll 11 upwards forms jet flow under the action of high-voltage electrostatic field force, the uniform deposition forms a fiber covering interwoven layer on the non-woven fabric above, and the modified non-woven fabric:
Figure DEST_PATH_IMAGE001
。

Claims (8)

1. a method for modifying non-woven fabrics is characterized in that a film-forming spinning component and a functional filler component are ground into milk by using a low-temperature wet grinding process, and then spinning modification is carried out on the pre-treated non-woven fabrics by using an electrostatic spinning process to obtain the antibacterial hydrophobic filtering material with the negative ion release function, and the method comprises the following steps:
(1) pulping: taking chitosan, tourmaline powder, polytetrafluoroethylene powder, polyvinyl alcohol powder and acetic acid aqueous solution with the concentration of 0.5-1%, mixing according to the mass ratio of (0.5-3) to (1-5) to 100 to (1000-2000), wherein the initial particle size of each material is not more than 150 meshes, premixing, filling into wet grinding equipment, grinding medium is zirconia microspheres, grinding rotating speed is 1700-2000 rpm, material temperature is controlled below 3 ℃ during grinding, and when particle size D in the material is less than 3 ℃90Discharging when the particle size is less than or equal to 0.5 mu m to obtain modified slurry;
(2) non-woven fabric modification: adding the modified slurry into a sizing trough, wherein the addition amount is 3-5 mm when the bottom of a rubber roll is immersed into the slurry, meanwhile, a peristaltic pump slurry feeding circulation system is connected, the rubber roll is connected with high voltage for rotating sizing, the non-woven fabric is processed by a glutaraldehyde fumigation chamber and then is tightly attached to a polar plate right above the rubber roll for horizontal uniform rolling action, the slurry at the upper end of the rubber roll forms jet flow upwards under the action of high-voltage electrostatic field force, and the slurry is uniformly deposited on the non-woven fabric above to form a fiber covering interwoven layer, so that the modified non-woven fabric is obtained.
2. The method for modifying a nonwoven fabric according to claim 1, wherein in the step (1), the degree of polymerization of the polyvinyl alcohol powder is 1700 to 1800, and the degree of alcoholysis is 88%.
3. The method for modifying non-woven fabric according to claim 1, wherein in the step (1), the diameter of the grinding medium zirconia microspheres used for wet grinding is less than or equal to 0.1 mm.
4. The method for modifying non-woven fabric according to claim 1, wherein in the step (2), the concentration of the glutaraldehyde aqueous solution in the fumigation chamber is 50%, and the fumigation temperature is 60-70 ℃.
5. The method for modifying a nonwoven fabric according to claim 1, wherein the nonwoven fabric used in the step (2) has a grammage of 10 to 20g/m2。
6. The method for modifying non-woven fabric according to claim 1, wherein in the step (2), a plurality of rubber rollers which are parallel to each other are simultaneously placed in the sizing trough, the rubber rollers have the same specification, are simultaneously electrified for rotating and sizing, and the rotating direction is independently controlled.
7. The method for modifying non-woven fabric according to claim 1 or 6, wherein the power connection voltage range is 70-100 KV, the distance h between the upper end of the rubber roll and the polar plate ranges from 170-200 mm, the winding speed of the non-woven fabric is 0.2-1 m/s, the environmental temperature of the spraying space is 40-50 ℃, and the humidity is 70% -80%.
8. A modified non-woven fabric obtained by the modification method according to any one of claims 1 to 7, wherein the modified non-woven fabric has an antibacterial rate of 99% or more against Staphylococcus aureus and Escherichia coli, a hydrophobic angle of 90% or more, and a negative oxygen ion release amount of 1500/cm or more3Pm2.5 barrier rate is more than 95%, and air resistance is less than 60 Pa.
CN202011618900.4A 2020-07-09 2020-12-31 Method for modifying non-woven fabric Active CN112359492B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114000261A (en) * 2021-12-03 2022-02-01 上海纳米技术及应用国家工程研究中心有限公司 Preparation method of medical non-woven fabric and product thereof
CN114108185A (en) * 2021-12-03 2022-03-01 上海纳米技术及应用国家工程研究中心有限公司 Preparation method of flame-retardant non-woven fabric and product thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004195000A (en) * 2002-12-19 2004-07-15 Nishikawa Rubber Co Ltd Sheet for bedding
CN101775745A (en) * 2010-01-15 2010-07-14 山东俊富无纺布有限公司 Melt-down non-woven material, preparation method and product
CN106311165A (en) * 2015-07-07 2017-01-11 中国科学院过程工程研究所 Chitosan nanofiber composite film for adsorbing and separating heavy metal ions and preparation method and application thereof
CN109749646A (en) * 2019-02-19 2019-05-14 王秀云 A kind of antibacterial Single layer nonwoven cloth rubber belt
CN111251693A (en) * 2020-02-12 2020-06-09 佛山轻子精密测控技术有限公司 Method for preparing underwear with antibacterial effect by using electrostatic spinning method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004195000A (en) * 2002-12-19 2004-07-15 Nishikawa Rubber Co Ltd Sheet for bedding
CN101775745A (en) * 2010-01-15 2010-07-14 山东俊富无纺布有限公司 Melt-down non-woven material, preparation method and product
CN106311165A (en) * 2015-07-07 2017-01-11 中国科学院过程工程研究所 Chitosan nanofiber composite film for adsorbing and separating heavy metal ions and preparation method and application thereof
CN109749646A (en) * 2019-02-19 2019-05-14 王秀云 A kind of antibacterial Single layer nonwoven cloth rubber belt
CN111251693A (en) * 2020-02-12 2020-06-09 佛山轻子精密测控技术有限公司 Method for preparing underwear with antibacterial effect by using electrostatic spinning method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114000261A (en) * 2021-12-03 2022-02-01 上海纳米技术及应用国家工程研究中心有限公司 Preparation method of medical non-woven fabric and product thereof
CN114108185A (en) * 2021-12-03 2022-03-01 上海纳米技术及应用国家工程研究中心有限公司 Preparation method of flame-retardant non-woven fabric and product thereof

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