CN113062012A - Preparation method of degradable antibacterial mask core layer material - Google Patents
Preparation method of degradable antibacterial mask core layer material Download PDFInfo
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- CN113062012A CN113062012A CN202110513889.3A CN202110513889A CN113062012A CN 113062012 A CN113062012 A CN 113062012A CN 202110513889 A CN202110513889 A CN 202110513889A CN 113062012 A CN113062012 A CN 113062012A
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- 239000000463 material Substances 0.000 title claims abstract description 35
- 239000012792 core layer Substances 0.000 title claims abstract description 31
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title abstract description 5
- -1 polybutylene adipate-terephthalate Polymers 0.000 claims abstract description 27
- 238000002347 injection Methods 0.000 claims abstract description 25
- 239000007924 injection Substances 0.000 claims abstract description 25
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 239000002245 particle Substances 0.000 claims abstract description 21
- 238000010041 electrostatic spinning Methods 0.000 claims abstract description 20
- 241000195649 Chlorella <Chlorellales> Species 0.000 claims abstract description 16
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 14
- 229920001707 polybutylene terephthalate Polymers 0.000 claims abstract description 14
- 239000004626 polylactic acid Substances 0.000 claims abstract description 14
- LISFMEBWQUVKPJ-UHFFFAOYSA-N quinolin-2-ol Chemical class C1=CC=C2NC(=O)C=CC2=C1 LISFMEBWQUVKPJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002904 solvent Substances 0.000 claims abstract description 14
- 229920002678 cellulose Polymers 0.000 claims abstract description 13
- 239000001913 cellulose Substances 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 239000004629 polybutylene adipate terephthalate Substances 0.000 claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims abstract description 9
- 238000005469 granulation Methods 0.000 claims abstract description 9
- 230000003179 granulation Effects 0.000 claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 238000001291 vacuum drying Methods 0.000 claims abstract description 6
- 241000251557 Ascidiacea Species 0.000 claims abstract description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 24
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 13
- 239000012046 mixed solvent Substances 0.000 claims description 3
- 241000251555 Tunicata Species 0.000 claims 1
- PKVRCIRHQMSYJX-AIFWHQITSA-N trabectedin Chemical compound C([C@@]1(C(OC2)=O)NCCC3=C1C=C(C(=C3)O)OC)S[C@@H]1C3=C(OC(C)=O)C(C)=C4OCOC4=C3[C@H]2N2[C@@H](O)[C@H](CC=3C4=C(O)C(OC)=C(C)C=3)N(C)[C@H]4[C@@H]21 PKVRCIRHQMSYJX-AIFWHQITSA-N 0.000 description 9
- 229960000977 trabectedin Drugs 0.000 description 9
- 241000700605 Viruses Species 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000000840 anti-viral effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- JQYSLXZRCMVWSR-UHFFFAOYSA-N 1,6-dioxacyclododecane-7,12-dione;terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1.O=C1CCCCC(=O)OCCCCO1 JQYSLXZRCMVWSR-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 238000002832 anti-viral assay Methods 0.000 description 1
- 230000002155 anti-virotic effect Effects 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/24—Resistant to mechanical stress, e.g. pierce-proof
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/30—Antimicrobial, e.g. antibacterial
-
- 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
- D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
-
- 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
- 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
- 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
- D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
-
- 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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Dispersion Chemistry (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a preparation method of a degradable antibacterial mask core layer material, which comprises the steps of firstly carrying out vacuum drying on polylactic acid, chlorella, polybutylene adipate-terephthalate and polybutylene terephthalate at 65-75 ℃ for 8-12 h, then uniformly mixing, adding into a double-screw extruder, and carrying out extrusion granulation; and (4) uniformly mixing the particles obtained in the step (S1), ascidian cellulose and quinolinone alkaloid, adding the mixture into a solvent, violently stirring at 75-90 ℃ to dissolve the mixture, transferring the mixture into an electrostatic spinning injection pump, and performing electrostatic spinning to obtain the mask fiber core layer material.
Description
Technical Field
The invention belongs to the field of manufacture of living goods, and particularly relates to a preparation method of a degradable antibacterial mask core layer material.
Background
The mask is a sanitary article and is widely used in daily life, harmful gas, spray, bacteria, viruses and the like can be prevented from entering the mouth and the nose when the mask is worn, and a good protection effect is achieved. In the early 2020, new crown epidemic situation is coming, medical surgical masks become main tools for preventing virus, and national masks promote the increasing demand of masks. However, the existing mask core layer materials are basically non-degradable melt-blown polypropylene (PP) materials, so that mask garbage also becomes a great hidden trouble of environmental pollution. Meanwhile, viruses adsorbed in the waste mask easily cause secondary pollution. Therefore, the study of the material of the mask core layer with the functions of degradation, antibiosis and antivirus has important significance. For a medical mask, the electret melt-blown fabric with the electret master batch and the electret high-voltage treatment is the most core part, and the melt-blown fabric has high-efficiency adsorption effect on non-oily small particles with the same charges and 0.3 micron diameter only if the melt-blown fabric is provided with a plurality of charges after the electret treatment.
Disclosure of Invention
Aiming at the prior art, the invention aims to provide a preparation method of a degradable antibacterial mask core layer material, which comprises the following steps:
s1: the polylactic acid, the chlorella, the poly (butylene adipate-terephthalate) and the poly (butylene terephthalate) are firstly dried in vacuum at 65-75 ℃ for 8-12 h, and then are uniformly mixed and added into a double-screw extruder for extrusion granulation.
S2: and (4) uniformly mixing the particles obtained in the step (S1), ascidian cellulose and quinolinone alkaloid, adding the mixture into a solvent, violently stirring at 75-90 ℃ to dissolve the mixture, transferring the mixture into an electrostatic spinning injection pump, and performing electrostatic spinning to obtain the mask fiber core layer material.
Preferably, the weight ratio of the polylactic acid, the chlorella, the polybutylene adipate-terephthalate and the polybutylene terephthalate is (50-60): 15-23): 8-14): 12-16.
Preferably, the particle size of the extrusion granulation is kept between 0.5 and 2 mm.
Preferably, the mass ratio of the particles to the ecteinascidin cellulose and the quinolinone alkaloid in the step S1 is (20-36): (12-18): (3-6).
Preferably, the solvent is a mixed solvent of N, N-dimethylformamide and dimethylsulfoxide.
More preferably, the volume ratio of the N, N-dimethylformamide to the dimethyl sulfoxide in the mixed solvent is (1-2): 0.6-1.15.
Preferably, the injection voltage of the electrostatic spinning is 22-26 kV, the injection rate is 0.55-0.65 mL/h, and the injection distance is 15-20 cm.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the prepared mask core layer material has good breaking strength and elongation at break, maintains a certain mechanical property, and meets the actual use requirement of the mask material.
2. In the invention, the chlorella has a good adsorption function, and can effectively adsorb quinolinone alkaloid when being compounded into the mask core layer material, so that the material has excellent effects of sterilizing and killing viruses, harmful particles (such as PM2.5 and the like) in the air can be adsorbed by the adsorption function of the chlorella, the chlorella and polylactic acid belong to environment-friendly materials, and the environment can be further protected by good degradation.
3. In the invention, the polybutylene adipate-terephthalate and the polybutylene terephthalate belong to nontoxic substances, and are used in the mask core layer material, so that the mechanical property of the mask core layer material is improved, and the human body cannot be injured.
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 method for preparing a degradable antibacterial mask core layer material specifically comprises the following steps:
s1: firstly, carrying out vacuum drying on polylactic acid, chlorella, polybutylene adipate-terephthalate and polybutylene terephthalate at 65 ℃ for 8 hours, then uniformly mixing, adding into a double-screw extruder, and carrying out extrusion granulation; wherein the weight ratio of polylactic acid to chlorella to polybutylene adipate-terephthalate to polybutylene terephthalate is 50:15:8:12, and the particle size is kept at 0.5 mm.
S2: uniformly mixing the particles, the ecteinascidin cellulose and the quinolinone alkaloid in the step S1, adding the mixture into a solvent, violently stirring at 75 ℃ to dissolve the mixture, transferring the mixture into an electrostatic spinning injection pump, and performing electrostatic spinning to obtain a mask fiber core layer material; wherein the mass ratio of the particles, the ecteinascidin cellulose and the quinolinone alkaloid in the step S1 is 20:12:3, the solvent is N, N-dimethylformamide and dimethyl sulfoxide with the volume ratio of 1:0.6, the injection voltage of electrostatic spinning is 22kV, the injection rate is 0.55mL/h, and the injection distance is 15 cm.
Example 2
A method for preparing a degradable antibacterial mask core layer material specifically comprises the following steps:
s1: firstly, carrying out vacuum drying on polylactic acid, chlorella, polybutylene adipate-terephthalate and polybutylene terephthalate at 75 ℃ for 12 hours, then uniformly mixing, adding into a double-screw extruder, and carrying out extrusion granulation; wherein the weight ratio of polylactic acid to chlorella to polybutylene adipate-terephthalate to polybutylene terephthalate is 60:23:14:16, and the particle size is kept at 2 mm.
S2: uniformly mixing the particles, the ecteinascidin cellulose and the quinolinone alkaloid in the step S1, adding the mixture into a solvent, violently stirring at 90 ℃ to dissolve the mixture, transferring the mixture into an electrostatic spinning injection pump, and performing electrostatic spinning to obtain a mask fiber core layer material; wherein the mass ratio of the particles, the ecteinascidin cellulose and the quinolinone alkaloid in the step S1 is 36:18:6, the solvent is N, N-dimethylformamide and dimethyl sulfoxide with the volume ratio of 2:1.15, the injection voltage of electrostatic spinning is 26kV, the injection rate is 0.65mL/h, and the injection distance is 20 cm.
Example 3
A method for preparing a degradable antibacterial mask core layer material specifically comprises the following steps:
s1: firstly, carrying out vacuum drying on polylactic acid, chlorella, polybutylene adipate-terephthalate and polybutylene terephthalate at 70 ℃ for 10 hours, then uniformly mixing, adding into a double-screw extruder, and carrying out extrusion granulation; wherein the weight ratio of polylactic acid to chlorella to polybutylene adipate-terephthalate to polybutylene terephthalate is 55:18:10:14, and the particle size is kept at 1 mm.
S2: uniformly mixing the particles, the ecteinascidin cellulose and the quinolinone alkaloid in the step S1, adding the mixture into a solvent, violently stirring the mixture at 80 ℃ to dissolve the mixture, transferring the mixture into an electrostatic spinning injection pump, and performing electrostatic spinning to obtain a mask fiber core layer material; wherein the mass ratio of the particles, the ecteinascidin cellulose and the quinolinone alkaloid in step S1 is 26:14:4, the solvent is N, N-dimethylformamide and dimethyl sulfoxide in the volume ratio of 1.3:0.85, the injection voltage of electrostatic spinning is 24kV, the injection rate is 0.59mL/h, and the injection distance is 17 cm.
Example 4
A method for preparing a degradable antibacterial mask core layer material specifically comprises the following steps:
s1: firstly, carrying out vacuum drying on polylactic acid, chlorella, polybutylene adipate-terephthalate and polybutylene terephthalate at 72 ℃ for 11h, then uniformly mixing, adding into a double-screw extruder, and carrying out extrusion granulation; wherein the weight ratio of polylactic acid to chlorella to polybutylene adipate-terephthalate to polybutylene terephthalate is 58:22:13:15, and the particle size is kept at 1.5 mm.
S2: uniformly mixing the particles, the ecteinascidin cellulose and the quinolinone alkaloid in the step S1, adding the mixture into a solvent, violently stirring at 85 ℃ to dissolve the mixture, transferring the mixture into an electrostatic spinning injection pump, and performing electrostatic spinning to obtain a mask fiber core layer material; wherein the mass ratio of the particles, the ecteinascidin cellulose and the quinolinone alkaloid in step S1 is 34:17:5, the solvent is N, N-dimethylformamide and dimethyl sulfoxide in the volume ratio of 1.8:1.05, the injection voltage of electrostatic spinning is 25kV, the injection rate is 0.62mL/h, and the injection distance is 19 cm.
And (3) performance testing: (1) the mask core materials prepared in examples 1 to 4 were tested for breaking strength and elongation at break according to GB/T24218.3-2010, and the results are shown in Table 1,
table 1. test results:
(2) the bacteriostatic rate of the mask core layer material in the embodiments 1-4 on staphylococcus aureus and escherichia coli is determined by a plate counting method according to the FZ-T01021-1992 standard; antiviral testing: with reference to ISO 18184: 2014(E) test method for textile antiviral property, the test results are shown in Table 2,
table 2. test results:
as can be seen from Table 1, the mask core layer materials prepared in the embodiments 1-4 of the present invention have good antibacterial and antiviral effects, and also have good mechanical properties.
Claims (7)
1. A method for preparing a degradable antibacterial mask core layer material is characterized by comprising the following steps:
s1: firstly, carrying out vacuum drying on polylactic acid, chlorella, polybutylene adipate-terephthalate and polybutylene terephthalate at 65-75 ℃ for 8-12 h, then uniformly mixing, adding into a double-screw extruder, and carrying out extrusion granulation;
s2: and (4) uniformly mixing the particles obtained in the step (S1), ascidian cellulose and quinolinone alkaloid, adding the mixture into a solvent, violently stirring at 75-90 ℃ to dissolve the mixture, transferring the mixture into an electrostatic spinning injection pump, and performing electrostatic spinning to obtain the mask fiber core layer material.
2. The method for preparing a degradable antibacterial mask core layer material according to claim 1, wherein the weight ratio of polylactic acid to chlorella to polybutylene adipate-terephthalate to polybutylene terephthalate is (50-60): (15-23): (8-14): (12-16).
3. The method for preparing the degradable antibacterial mask core layer material according to claim 1, wherein the particle size of the extrusion granulation is kept between 0.5mm and 2 mm.
4. The method for preparing a degradable antibacterial mask core layer material according to claim 1, wherein the mass ratio of the particles and the sea squirt cellulose and the quinolinone alkaloid in the step S1 is (20-36): (12-18): (3-6).
5. The method for preparing a degradable antibacterial mask core layer material according to claim 1, wherein the solvent is a mixed solvent of N, N-dimethylformamide and dimethyl sulfoxide.
6. The method for preparing the degradable antibacterial mask core layer material according to claim 1 or 5, wherein the volume ratio of N, N-dimethylformamide to dimethyl sulfoxide in the solvent is (1-2) to (0.6-1.15).
7. The method for preparing the degradable antibacterial mask core layer material according to claim 1, wherein the injection voltage of the electrostatic spinning is 22-26 kV, the injection rate is 0.55-0.65 mL/h, and the injection distance is 15-20 cm.
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| CN202110513889.3A CN113062012A (en) | 2021-05-12 | 2021-05-12 | Preparation method of degradable antibacterial mask core layer material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115153128A (en) * | 2022-06-06 | 2022-10-11 | 稳健医疗用品股份有限公司 | A degradable protective mask |
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| CN103668541A (en) * | 2012-09-19 | 2014-03-26 | 合肥杰事杰新材料股份有限公司 | Degradable fibers containing PBAT (poly(butylene adipate-co-terephthalate)) and preparation method thereof |
| CN112226845A (en) * | 2020-10-10 | 2021-01-15 | 陈金锁 | A degradable antibacterial and antiviral PHA mask core material |
| CN112626718A (en) * | 2020-10-20 | 2021-04-09 | 西安工程大学 | Method for preparing MOF (Metal organic framework)/cellulose/polyacrylonitrile mask filter layer |
-
2021
- 2021-05-12 CN CN202110513889.3A patent/CN113062012A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103668541A (en) * | 2012-09-19 | 2014-03-26 | 合肥杰事杰新材料股份有限公司 | Degradable fibers containing PBAT (poly(butylene adipate-co-terephthalate)) and preparation method thereof |
| CN112226845A (en) * | 2020-10-10 | 2021-01-15 | 陈金锁 | A degradable antibacterial and antiviral PHA mask core material |
| CN112626718A (en) * | 2020-10-20 | 2021-04-09 | 西安工程大学 | Method for preparing MOF (Metal organic framework)/cellulose/polyacrylonitrile mask filter layer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115153128A (en) * | 2022-06-06 | 2022-10-11 | 稳健医疗用品股份有限公司 | A degradable protective mask |
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Application publication date: 20210702 |