CN112458624A - Preparation method of non-woven fabric material with mite removing function - Google Patents
Preparation method of non-woven fabric material with mite removing function Download PDFInfo
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- CN112458624A CN112458624A CN202011345585.2A CN202011345585A CN112458624A CN 112458624 A CN112458624 A CN 112458624A CN 202011345585 A CN202011345585 A CN 202011345585A CN 112458624 A CN112458624 A CN 112458624A
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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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
- D04H1/485—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with weld-bonding
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- 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
- D01D5/08—Melt spinning methods
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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
-
- 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
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
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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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses a preparation method of a non-woven fabric material with a mite removing function, which comprises the steps of adding benzyl benzoate and N, N-diethyl-2-phenyl acetamide into absolute ethyl alcohol and distilled water with a certain volume ratio, carrying out ultrasonic stirring, then adding chitosan and citric acid monohydrate, stirring at room temperature to form a gel solution, transferring the gel solution into an injection pump, carrying out electrostatic spinning to obtain a fiber membrane on an aluminum plate, drying the spinning sheet, and then cutting into fiber sheets; respectively adding the fiber sheets, the cotton fibers and the polyurethane fibers into a single-screw extruder, carrying out melt extrusion, then carrying out spinning to form fibers by adopting a cracking spinneret plate, uniformly paving the fibers on a conveying net by adopting wide air draft, and paving the fibers to form a fiber net; and (2) hot-rolling and molding the fiber web by adopting a hot rolling mill, cooling, then placing the fiber web on a hot ironing machine, hot-ironing and molding, and then carrying out the traditional spunlace and drying molding process to obtain the non-woven fabric material. The non-woven fabric material has a long-term mite removing effect.
Description
Technical Field
The invention belongs to the technical field of non-woven fabric materials, and particularly relates to a preparation method of a non-woven fabric material with a mite removing function.
Background
The non-woven fabric is also called non-woven fabric, is formed by directional or random fibers, is called as the fabric because of having the appearance and certain properties of the fabric, has no longitude and latitude lines, is very convenient to cut and sew, is light and easy to shape, is popular with manual enthusiasts, has rich, bright and beautiful colors, is fashionable and environment-friendly, has wide application, attractive and elegant appearance, has various patterns and styles, and has the characteristics of moisture resistance, air permeability, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity, no irritation, rich colors, low price, recycling and the like.
Mites are miniature pests which cannot be seen by naked eyes, more than 50000 mites are found in the world, and the mites are second to insects, and more than 50000 mites are related to medicine. The research shows that the mites are closely related to the health of people, such as causing acne rosacea, demodicosis, anaphylaxis, uromite, pulmonary mite, intestinal mite, scabies and the like, and seriously endanger the health of the people. Mites are widely distributed in dark corners of homes, carpets, mattresses, pillows, sofas, air conditioners, summer sleeping mats and the like, and are messy and fast, so that the mites are difficult to eliminate. The bed sheet and the quilt cover used by people are mostly made of non-woven fabrics, the bed sheet and the quilt cover are serious disaster areas of mites and easily cause skin problems, so that the mite removal of the bed sheet and the quilt cover is very necessary, and people are prone to being infected by mites which are made of non-woven fabrics and do not have the function of inhibiting the proliferation of the mites.
Chinese patent CN108049171A discloses an anti-mite and anti-bacterial non-woven fabric containing natural plant extracts, which comprises three layers, wherein the upper layer is an anti-mite non-woven fabric layer, the lower layer is an anti-bacterial non-woven fabric layer, the middle layer is an adhesive layer, the anti-mite non-woven fabric layer is obtained by adopting chitin fibers through a spunlace process, and the anti-mite non-woven fabric layer are bonded through the adhesive layer; the preparation method of the antibacterial non-woven fabric layer comprises the following steps: (1) adding herba Houttuyniae, flos Lonicerae, bupleuri radix, radix astragali, Coptidis rhizoma, Camphora, herba Menthae, radix Saposhnikoviae, and Poria into water, boiling for 2-3 hr, filtering, and retaining residue to obtain medicinal liquid A; (2) adding the filter residue obtained in the step (1) into water, boiling for 2-3h, filtering, and discarding the filter residue to obtain a liquid medicine B; (3) mixing the liquid medicine A and the liquid medicine B obtained in the steps (1) and (2), and adding water for dilution to obtain a traditional Chinese medicine liquid; (4) and (4) placing the non-woven fabric in the Chinese medicinal liquid obtained in the step (3), soaking for 20-24h, and drying at low temperature to obtain the antibacterial non-woven fabric layer. However, in the invention, the mite removing effect is achieved by soaking the non-woven fabric material into various traditional Chinese medicine liquid medicines, the mite removing and bacterium preventing non-woven fabric material prepared by the technology has the mite removing effect in a short time, and the mite removing effect is not achieved after the non-woven fabric material is used for a long time.
Disclosure of Invention
Aiming at the defects that the non-woven fabric material in the prior art has short antibacterial and mite removing time and no long-time mite removing effect, the invention aims to provide a preparation method of a non-woven fabric material with a mite removing function, which comprises the following steps:
s1: adding benzyl benzoate and N, N-diethyl-2-phenylacetamide into absolute ethyl alcohol and distilled water in a volume ratio of (1-1.6) - (0.9-1.4), ultrasonically stirring, then adding chitosan and citric acid monohydrate, stirring for 30-50 min at room temperature to form a gel solution, then transferring the gel solution into an injection pump, carrying out electrostatic spinning at an injection voltage of 21-23 kV, an injection distance of 10-15 cm and an injection speed of 0.5-0.6L/h to obtain a fiber membrane on an aluminum plate, drying the spinning sheet at 50-65 ℃, and then cutting into fiber sheets.
S2: and (4) respectively adding the fiber sheets, the cotton fibers and the polyurethane fibers in the step (S1) into a single-screw extruder, carrying out melt extrusion, then carrying out spinning to form fibers by adopting a cracking spinneret plate, uniformly paving the fibers on a conveying net by adopting wide air draft, and paving the fibers to form a fiber net.
S3: and (5) hot-rolling and molding the fiber web in the step S2 by using a hot rolling mill, cooling, placing the fiber web on a hot-rolling machine, hot-rolling and molding, and then carrying out the traditional spunlace and drying molding process to obtain the non-woven fabric material.
Preferably, the mass ratio of the benzyl benzoate, the N, N-diethyl-2-phenylacetamide, the chitosan and the citric acid monohydrate is (0.14-0.32): (0.26-0.39): (6.6-8.5): 1.22-1.43).
Preferably, the components in the step S2 include, by weight, 20 to 33 parts of a fiber sheet, 30 to 50 parts of cotton fibers, and 45 to 70 parts of polyurethane fibers.
Preferably, the extrusion temperature of the single-screw extruder is 160-230 ℃.
Preferably, the hot rolling temperature of the hot rolling mill is 130-140 ℃, and the hot rolling temperature of the hot rolling mill is 110-125 ℃.
Compared with the prior art, the invention has the following beneficial effects:
the non-woven fabric material disclosed by the invention is simple in preparation method, raw materials are easy to obtain, the mite removing rate can reach more than 99%, and after the non-woven fabric material is used for 100 days, the mite removing rate can still reach more than 90%, so that the non-woven fabric material has an excellent long-term mite removing effect and an excellent antibacterial effect.
Detailed Description
The following embodiments of the present invention are described in detail, and the embodiments are implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Example 1
A preparation method of a non-woven fabric material with a mite removing function specifically comprises the following steps:
s1: adding benzyl benzoate and N, N-diethyl-2-phenylacetamide into absolute ethanol and distilled water in a volume ratio of 1:0.9, ultrasonically stirring, adding chitosan and citric acid monohydrate, stirring at room temperature for 30min to form a gel solution, transferring the gel solution into an injection pump, performing electrostatic spinning at an injection voltage of 21kV and an injection distance of 10cm at an injection rate of 0.5L/h on an aluminum plate to obtain a fiber membrane, drying the spun sheet at 50 ℃, and cutting into fiber sheets, wherein the mass ratio of the benzyl benzoate to the N, N-diethyl-2-phenylacetamide to the chitosan to the citric acid monohydrate is 0.14:0.26:6.6: 1.22.
S2: and (2) respectively adding the fiber sheet, the cotton fiber and the polyurethane fiber obtained in the step (S1) into a single-screw extruder, carrying out melt extrusion at the extrusion temperature of 160 ℃, then carrying out spinneret spinning by using a cracking spinneret to form fibers, uniformly paving the fibers on a conveying net by using a wide-width air flow drafting, and paving the fibers into a fiber net, wherein the components comprise 20 parts by weight of the fiber sheet, 30 parts by weight of the cotton fiber and 45 parts by weight of the polyurethane fiber.
S3: and (3) hot-rolling and molding the fiber web in the step S2 by using a hot rolling machine, wherein the hot rolling temperature is 130 ℃, cooling and then placing the fiber web on a hot-rolling machine for hot-rolling and molding, and the hot-rolling temperature is 110 ℃, and then carrying out the traditional spunlace and drying molding process to obtain the non-woven fabric material.
Example 2
A preparation method of a non-woven fabric material with a mite removing function specifically comprises the following steps:
s1: adding benzyl benzoate and N, N-diethyl-2-phenylacetamide into absolute ethanol and distilled water in a volume ratio of 1.6:1.4, ultrasonically stirring, adding chitosan and citric acid monohydrate, stirring at room temperature for 50min to form a gel solution, transferring the gel solution into an injection pump, performing electrostatic spinning at an injection voltage of 23kV, an injection distance of 15cm and an injection rate of 0.6L/h to obtain a fiber membrane on an aluminum plate, drying the spun sheet at 65 ℃, and cutting into fiber sheets, wherein the mass ratio of the benzyl benzoate to the N, N-diethyl-2-phenylacetamide to the chitosan to the citric acid monohydrate is 0.32:0.39:8.5: 1.43.
S2: and (2) respectively adding the fiber sheets, the cotton fibers and the polyurethane fibers in the step (S1) into a single-screw extruder, carrying out melt extrusion at the extrusion temperature of 230 ℃, then carrying out spinneret spinning by using a cracking spinneret to form fibers, uniformly paving the fibers on a conveying net by using a wide-width air flow drafting, and paving the fibers into a fiber net, wherein the components comprise 33 parts of the fiber sheets, 50 parts of the cotton fibers and 70 parts of the polyurethane fibers in parts by weight.
S3: and (3) hot-rolling and molding the fiber web in the step S2 by using a hot rolling machine, wherein the hot rolling temperature is 140 ℃, cooling and then placing the fiber web on a hot-rolling machine for hot-rolling and molding, and the hot-rolling temperature is 125 ℃, and then carrying out the traditional spunlace and drying molding process to obtain the non-woven fabric material.
Example 3
A preparation method of a non-woven fabric material with a mite removing function specifically comprises the following steps:
s1: adding benzyl benzoate and N, N-diethyl-2-phenylacetamide into absolute ethanol and distilled water in a volume ratio of 1.2:1, performing ultrasonic stirring, adding chitosan and citric acid monohydrate, stirring at room temperature for 40min to form a gel solution, transferring the gel solution into an injection pump, performing electrostatic spinning at an injection voltage of 22kV and an injection distance of 12cm at an injection rate of 0.54L/h to obtain a fiber membrane on an aluminum plate, drying the spun sheet at 55 ℃, and cutting into fiber sheets, wherein the mass ratio of the benzyl benzoate to the N, N-diethyl-2-phenylacetamide to the chitosan to the citric acid monohydrate is 0.22:0.33:7.2: 1.34.
S2: and (2) respectively adding the fiber sheet, the cotton fiber and the polyurethane fiber obtained in the step (S1) into a single-screw extruder, carrying out melt extrusion at the extrusion temperature of 190 ℃, then carrying out spinneret spinning by using a cracking spinneret to form fibers, uniformly paving the fibers on a conveying net by using a wide-width air flow drafting, and paving the fibers into a fiber net, wherein the components comprise 23 parts by weight of the fiber sheet, 38 parts by weight of the cotton fiber and 52 parts by weight of the polyurethane fiber.
S3: and (3) hot-rolling and molding the fiber web in the step S2 by using a hot rolling machine, wherein the hot rolling temperature is 135 ℃, cooling and then placing the fiber web on a hot-rolling machine for hot-rolling and molding, and the hot-rolling temperature is 115 ℃, and then carrying out the traditional spunlace and drying molding process to obtain the non-woven fabric material.
Example 4
A preparation method of a non-woven fabric material with a mite removing function specifically comprises the following steps:
s1: adding benzyl benzoate and N, N-diethyl-2-phenylacetamide into absolute ethanol and distilled water in a volume ratio of 1.5:1.3, ultrasonically stirring, adding chitosan and citric acid monohydrate, stirring at room temperature for 45min to form a gel solution, transferring the gel solution into an injection pump, performing electrostatic spinning at an injection voltage of 22kV, an injection distance of 14cm and an injection rate of 0.58L/h to obtain a fiber membrane on an aluminum plate, drying the spun sheet at 60 ℃, and cutting into fiber sheets, wherein the mass ratio of the benzyl benzoate to the N, N-diethyl-2-phenylacetamide to the chitosan to the citric acid monohydrate is 0.31:0.37:8.2: 1.41.
S2: and (2) respectively adding the fiber sheets, the cotton fibers and the polyurethane fibers in the step (S1) into a single-screw extruder, carrying out melt extrusion at the extrusion temperature of 220 ℃, then carrying out spinneret spinning by using a cracking spinneret to form fibers, uniformly paving the fibers on a conveying net by using a wide-width air flow drafting, and paving the fibers into a fiber net, wherein the components comprise 31 parts of the fiber sheets, 47 parts of the cotton fibers and 69 parts of the polyurethane fibers in parts by weight.
S3: and (3) hot-rolling and molding the fiber web in the step S2 by using a hot rolling machine, wherein the hot rolling temperature is 140 ℃, cooling and then placing the fiber web on a hot-rolling machine for hot-rolling and molding, and the hot-rolling temperature is 120 ℃, and then carrying out the traditional spunlace and drying molding process to obtain the non-woven fabric material.
Examples of the experiments
And (3) performance testing: the non-woven fabric materials prepared in examples 1 to 4 were tested for mite removal rate according to JISL1902-2008 standard, and the results are shown in table 1; meanwhile, the bacteriostasis rate of the non-woven fabric material to staphylococcus aureus, candida albicans and escherichia coli is tested according to the standard GB/20944.3-2008, the result is shown in the table 1,
TABLE 1 Performance test results
The nonwoven fabric materials prepared in examples 1 to 4 were tested for mite removal rate and bacteriostatic rate using the same test standards after being used for 100 days, and the results are shown in table 2,
TABLE 2 Performance test results after 100 days of use
As can be seen from Table 1, the mite removing rate of the non-woven fabric materials prepared in the embodiments 1-4 is over 99.8%, and the non-woven fabric materials have excellent bacteriostatic effects on staphylococcus aureus, candida albicans and escherichia coli; the mite removing effect test is carried out again after the nonwoven fabric materials prepared in the embodiments 1 to 4 are used for 100 days, and the mite removing rate is over 90 percent, which shows that the nonwoven fabric material has a good long-term mite removing effect.
Claims (5)
1. A preparation method of a non-woven fabric material with a mite removing function is characterized by comprising the following steps:
s1: adding benzyl benzoate and N, N-diethyl-2-phenylacetamide into absolute ethyl alcohol and distilled water in a volume ratio of (1-1.6) - (0.9-1.4), ultrasonically stirring, then adding chitosan and citric acid monohydrate, stirring for 30-50 min at room temperature to form a gel solution, then transferring the gel solution into an injection pump, performing electrostatic spinning at an injection voltage of 21-23 kV, an injection distance of 10-15 cm and an injection rate of 0.5-0.6L/h to obtain a fiber membrane on an aluminum plate, drying the spinning sheet at 50-65 ℃, and then cutting the spinning sheet into fiber sheets;
s2: respectively adding the fiber sheets, the cotton fibers and the polyurethane fibers in the step S1 into a single-screw extruder, carrying out melt extrusion, then carrying out spinneret spinning by adopting a cracking spinneret plate to form fibers, uniformly paving the fibers on a conveying net by adopting wide air draft, and paving the fibers into a fiber net;
s3: and (5) hot-rolling and molding the fiber web in the step S2 by using a hot rolling mill, cooling, placing the fiber web on a hot-rolling machine, hot-rolling and molding, and then carrying out the traditional spunlace and drying molding process to obtain the non-woven fabric material.
2. The method of claim 1, wherein the mass ratio of benzyl benzoate, N-diethyl-2-phenylacetamide, chitosan and citric acid monohydrate is (0.14-0.32), (0.26-0.39), (6.6-8.5) and (1.22-1.43).
3. The method for preparing a nonwoven fabric material with a mite removing function according to claim 1, wherein the components in the step S2 comprise, by weight, 20-33 parts of fiber sheets, 30-50 parts of cotton fibers and 45-70 parts of polyurethane fibers.
4. The method for preparing a nonwoven fabric material with mite removing function according to claim 1, wherein the extrusion temperature of the single screw extruder is 160-230 ℃.
5. The method for preparing a nonwoven fabric material with mite removing function as claimed in claim 1, wherein the hot rolling temperature of the hot rolling mill is 130-140 ℃ and the hot rolling temperature of the hot rolling mill is 110-125 ℃.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113512874A (en) * | 2021-04-27 | 2021-10-19 | 无锡市鸿庆无纺布有限公司 | Environment-friendly easily-degradable antibacterial non-woven fabric and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113512874A (en) * | 2021-04-27 | 2021-10-19 | 无锡市鸿庆无纺布有限公司 | Environment-friendly easily-degradable antibacterial non-woven fabric and preparation method thereof |
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Application publication date: 20210309 |