CN114381824A - Constant-temperature mite-killing antibacterial fiber and preparation method thereof - Google Patents
Constant-temperature mite-killing antibacterial fiber and preparation method thereof Download PDFInfo
- Publication number
- CN114381824A CN114381824A CN202210147223.5A CN202210147223A CN114381824A CN 114381824 A CN114381824 A CN 114381824A CN 202210147223 A CN202210147223 A CN 202210147223A CN 114381824 A CN114381824 A CN 114381824A
- Authority
- CN
- China
- Prior art keywords
- antibacterial
- additive
- fiber
- preparation
- mite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 62
- 239000000835 fiber Substances 0.000 title claims abstract description 60
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- 239000000654 additive Substances 0.000 claims abstract description 74
- 230000000996 additive effect Effects 0.000 claims abstract description 74
- 239000002105 nanoparticle Substances 0.000 claims abstract description 72
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 36
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 36
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000008859 change Effects 0.000 claims abstract description 25
- JKFYKCYQEWQPTM-UHFFFAOYSA-N 2-azaniumyl-2-(4-fluorophenyl)acetate Chemical compound OC(=O)C(N)C1=CC=C(F)C=C1 JKFYKCYQEWQPTM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910021612 Silver iodide Inorganic materials 0.000 claims abstract description 18
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 claims abstract description 18
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229940112669 cuprous oxide Drugs 0.000 claims abstract description 18
- 238000004146 energy storage Methods 0.000 claims abstract description 18
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 18
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 18
- 229940045105 silver iodide Drugs 0.000 claims abstract description 18
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 18
- 239000011787 zinc oxide Substances 0.000 claims abstract description 18
- 230000000895 acaricidal effect Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000007822 coupling agent Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 33
- 239000012782 phase change material Substances 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 23
- 238000002156 mixing Methods 0.000 claims description 22
- 239000000243 solution Substances 0.000 claims description 21
- 239000007864 aqueous solution Substances 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000009987 spinning Methods 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- 239000002775 capsule Substances 0.000 claims description 15
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 15
- 239000002002 slurry Substances 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 15
- 239000012153 distilled water Substances 0.000 claims description 13
- 239000000839 emulsion Substances 0.000 claims description 13
- 238000005406 washing Methods 0.000 claims description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 10
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 10
- 229920000877 Melamine resin Polymers 0.000 claims description 10
- XOLBLPGZBRYERU-UHFFFAOYSA-N SnO2 Inorganic materials O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 10
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 10
- 239000004202 carbamide Substances 0.000 claims description 10
- 230000001112 coagulating effect Effects 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- HANVTCGOAROXMV-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine;urea Chemical compound O=C.NC(N)=O.NC1=NC(N)=NC(N)=N1 HANVTCGOAROXMV-UHFFFAOYSA-N 0.000 claims description 10
- 239000003094 microcapsule Substances 0.000 claims description 10
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 10
- 239000003995 emulsifying agent Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 239000003999 initiator Substances 0.000 claims description 8
- 238000006116 polymerization reaction Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 230000002829 reductive effect Effects 0.000 claims description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 5
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 5
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 239000012752 auxiliary agent Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 5
- 239000008098 formaldehyde solution Substances 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 5
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 5
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- 239000003208 petroleum Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 239000002244 precipitate Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- OVARTBFNCCXQKS-UHFFFAOYSA-N propan-2-one;hydrate Chemical compound O.CC(C)=O OVARTBFNCCXQKS-UHFFFAOYSA-N 0.000 claims description 5
- 239000011780 sodium chloride Substances 0.000 claims description 5
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 5
- 235000011152 sodium sulphate Nutrition 0.000 claims description 5
- VGTPCRGMBIAPIM-UHFFFAOYSA-M sodium thiocyanate Chemical compound [Na+].[S-]C#N VGTPCRGMBIAPIM-UHFFFAOYSA-M 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- -1 tertiary amino alkyl ether Chemical class 0.000 claims description 5
- 238000009210 therapy by ultrasound Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 3
- 238000004321 preservation Methods 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002277 temperature effect Effects 0.000 abstract description 2
- 241000934067 Acarus Species 0.000 description 9
- 230000003385 bacteriostatic effect Effects 0.000 description 9
- 230000002147 killing effect Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 241000238876 Acari Species 0.000 description 3
- 206010063659 Aversion Diseases 0.000 description 3
- 241000193830 Bacillus <bacterium> Species 0.000 description 3
- 241000222122 Candida albicans Species 0.000 description 3
- 241000191967 Staphylococcus aureus Species 0.000 description 3
- 208000037386 Typhoid Diseases 0.000 description 3
- 229940095731 candida albicans Drugs 0.000 description 3
- 239000012295 chemical reaction liquid Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000005338 heat storage Methods 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 201000008297 typhoid fever Diseases 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000000967 suction filtration Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229920006253 high performance fiber Polymers 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000554 physical therapy Methods 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/94—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of other polycondensation products
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a preparation method of a constant-temperature mite-killing antibacterial fiber, which takes a phase-change energy storage fiber as a main body and an antibacterial mite-killing additive; the mass percentage of the antibacterial and acarid-removing additive in the fiber is respectively 2-4%; the antibacterial and acaricidal additive mainly comprises an additive carrier, cuprous oxide, titanium dioxide nanoparticles, zinc oxide nanoparticles, silicon dioxide nanoparticles, silver iodide nanoparticles and a titanate coupling agent; the preparation method comprises a phase change energy storage fiber preparation method and an antibacterial mite removing additive preparation method, and the prepared antibacterial mite removing additive is added into the phase change energy storage fiber preparation method to be polymerized and blended to obtain the constant-temperature mite removing antibacterial fiber. The functional fiber prepared by the method can be washed by water for many times, has good composite functionality and is worthy of popularization and application; the invention has stronger antibacterial and acarid-removing effects and strong practicability; the invention adopts the phase-change energy storage fiber, and has good heat preservation and constant temperature effects.
Description
Technical Field
The invention relates to the technical field of functional fibers, in particular to a constant-temperature mite-killing antibacterial fiber and a preparation method thereof.
Background
At present, with the improvement of textile technology, and the taste and quality of life, the single-function garment fabric cannot meet the life requirements of people. The multifunctionalization is a necessary trend of the development of garment materials.
The development of functional fibers is an indicator of the scientific progress of modern fibers. The development of functional fibers, differential fibers and high-performance fibers is a technical innovation of the traditional textile industry, creates favorable conditions for the transformation of the high-tech industry, and makes a contribution to the improvement of the living standard of human beings. The functional fiber is a novel fiber having a specific function in addition to the physical and mechanical properties of general fibers. For example, the fiber has health care functions (such as antibiosis, acaricidal property, physical therapy, peculiar smell removal and the like); protective functions (radiation protection, antistatic, ultraviolet resistance, etc.); heat and moisture comfort functions (heat absorption, heat release, moisture absorption, moisture release, etc.); medical and environmental functions (biocompatibility and biodegradability). Common functional fibers have complex manufacturing process and higher manufacturing cost, and the functions of the fibers are not firm enough, so that the functions of the fibers are greatly reduced after twice water washing, and the manufacture, popularization and use of the functional fibers are not facilitated.
Disclosure of Invention
The invention aims to provide a constant-temperature mite-killing antibacterial fiber and a preparation method thereof, aiming at the defects and shortcomings of the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the preparation method of the constant-temperature mite-killing antibacterial fiber is characterized by comprising the following steps: the fiber takes phase change energy storage fiber as a main body and takes an antibacterial and mite-killing additive; the mass percentage of the antibacterial and acarid-removing additive in the fiber is respectively 2-4%; the antibacterial and acaricidal additive mainly comprises an additive carrier, cuprous oxide, titanium dioxide nanoparticles, zinc oxide nanoparticles, silicon dioxide nanoparticles, silver iodide nanoparticles and a titanate coupling agent; the preparation method comprises a phase change energy storage fiber preparation method and an antibacterial mite removing additive preparation method, and then the prepared antibacterial mite removing additive is added into the phase change energy storage fiber preparation method to carry out polymerization and blending to obtain the constant-temperature mite removing antibacterial fiber;
the preparation method of the phase change energy storage fiber comprises the following steps:
s1, preparing a phase-change material emulsion: mixing the phase change material and the phase change additive, heating to 42-44 ℃, stirring at 550r/min under 500-; wherein the mass ratio of the phase-change material to the phase-change auxiliary agent to the emulsifier to the initiator to the distilled water is as follows: 100:8-9:6-7:1.7-2.1: 345-; the phase change additive is formed by mixing aluminum oxide and thermoplastic elastomer SBS in a mass ratio of 4: 3; the alumina is powdery, and the particle size is 40-50 nm; the particle size of the thermoplastic elastomer SBS is 100-110 nm;
s2, preparing a melamine urea formaldehyde resin capsule wall material: adding 37% of formaldehyde solution into a reaction kettle, stirring, adding 70-75% of urea in the total amount, adjusting the pH value of a reaction system to be 4, slowly heating to 75 ℃ at the speed of 2 ℃/min, and reacting for 2 hours; adding melamine, reacting for 40-45 minutes, adjusting the pH to 8.5 when the viscosity of the prepolymer reaches 20s, then adding urea, preserving the heat for 20 minutes, cooling to 50 ℃, adding starch tertiary amino alkyl ether, stirring uniformly, and adjusting the pH to 7.5 when the temperature is reduced to 35 ℃ to obtain a melamine urea-formaldehyde resin capsule wall material;
s3, polymerization: dropwise adding the melamine formaldehyde resin capsule wall material prepolymer into the emulsion, stirring in a 70-75 ℃ water bath at the rotating speed of 2000-2500r/min, dropwise adding citric acid to reduce the pH value to 3.5-4.0, acidifying for 1 hour, heating to 83-85 ℃, reacting for 2.5-3 hours, heating to 90-92 ℃, solidifying for 45 minutes, standing and filtering the obtained reaction solution after the reaction is finished, washing with ethanol and filtering to obtain a solid substance, washing with petroleum ether and distilled water for 1 time respectively, performing centrifugal separation, taking a precipitate, and drying at 40 ℃ to obtain a phase-change material microcapsule;
s4, preparing blended spinning solution: mixing the phase-change material microcapsule, the antibacterial and acarid-removing additive and the glycol, stirring, and performing ultrasonic treatment at room temperature for 5 hours to obtain a blended spinning solution;
s5, spinning and forming: pressing the blended spinning solution into a coagulating bath through a spray head, and preparing the phase change energy storage fiber through wet heat stretching and dry heat stretching processes;
the preparation method of the antibacterial mite-killing additive comprises the following steps: mixing an additive carrier, cuprous oxide, titanium dioxide nanoparticles, zinc oxide nanoparticles, silicon dioxide nanoparticles, silver iodide nanoparticles and a titanate coupling agent, adding the mixture into deionized water, stirring the mixture uniformly by ultrasonic to obtain antibacterial and acaricidal additive slurry, drying the antibacterial and acaricidal additive slurry, and grinding the antibacterial and acaricidal additive slurry into powder to obtain the antibacterial and acaricidal additive.
Further, in the antibacterial mite-killing additive, the mass parts of the substances are as follows: 13 parts of additive carrier, 6 parts of cuprous oxide, 4 parts of titanium dioxide nanoparticles, 4 parts of zinc oxide nanoparticles, 2 parts of silicon dioxide nanoparticles and 2 parts of silver iodide nanoparticles; the particle size of each substance is as follows: 50 mu m of additive carrier, 5 mu m of cuprous oxide, 100nm of titanium dioxide nano particles, 50nm of zinc oxide nano particles, 100nm of silicon dioxide nano particles and 50nm of silver iodide nano particles.
Further, the additive carrier is SnO2Hollow spheres of this SnO2The hollow ball is prepared by taking pollen as a template and adopting a hydrothermal method.
Further, the coagulating bath is sodium sulfate aqueous solution, sodium thiocyanate aqueous solution, sodium chloride aqueous solution, magnesium sulfate aqueous solution, ethanol-water mixture, acetone-water mixture, N-dimethylformamide or N, N-dimethylacetamide.
The invention has the beneficial effects that:
the invention has simple process, is convenient for assembly line large-scale operation, has easy control of process conditions in the production process and low production cost; the functional fiber prepared by the method can be washed by water for many times, has good composite functionality and is worthy of popularization and application; the invention has stronger antibacterial and acarid-removing effects and strong practicability; the invention adopts the phase-change energy storage fiber, and has good heat preservation and constant temperature effects.
Detailed Description
The following examples further illustrate the invention.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
A preparation method of constant-temperature mite-killing antibacterial fiber comprises the following steps:
s1, preparing a phase-change material emulsion: mixing a phase change material and a phase change additive, heating to 42 ℃, stirring at 500r/min, raising the temperature to 62 ℃ after 5 minutes, adding an emulsifier, an initiator and distilled water, simultaneously increasing the rotating speed to 1200r/min at the speed of 50r/min, and stirring for 1.0 hour to form stable emulsion; wherein the mass ratio of the phase-change material to the phase-change auxiliary agent to the emulsifier to the initiator to the distilled water is as follows: 100:8-9:6-7:1.7-2.1: 345-; the phase change additive is formed by mixing aluminum oxide and thermoplastic elastomer SBS in a mass ratio of 4: 3; the alumina is powdery, and the particle size is 40 nm; the particle size of the thermoplastic elastomer SBS is 100 nm;
s2, preparing a melamine urea formaldehyde resin capsule wall material: adding 37% of formaldehyde solution into a reaction kettle, stirring, adding 70% of urea, adjusting the pH value of a reaction system to be 4, slowly heating to 75 ℃ at the speed of 2 ℃/min, and reacting for 2 hours; adding melamine, reacting for 40 minutes, adjusting the pH value to 8.5 when the viscosity of the prepolymer reaches 20s, then adding urea, preserving the heat for 20 minutes, cooling to 50 ℃, adding starch tertiary amino alkyl ether, stirring uniformly, and adjusting the pH value to 7.5 when the temperature is reduced to 35 ℃ to obtain a melamine urea-formaldehyde resin capsule wall material;
s3, polymerization: dropwise adding the melamine formaldehyde resin capsule wall material prepolymer into the emulsion, stirring at the rotating speed of 2000r/min in a 70 ℃ water bath, dropwise adding citric acid to reduce the pH to 3.5, acidifying for 1 hour, heating to 83 ℃, reacting for 2.5 hours, heating to 90 ℃, solidifying for 45 minutes, standing and filtering the obtained reaction liquid after the reaction is finished, washing with ethanol and filtering to obtain a solid substance, washing with petroleum ether and distilled water for 1 time respectively, centrifuging, taking a precipitate, and drying at 40 ℃ to obtain a phase change material microcapsule;
s4, preparing an antibacterial and acarus killing additive, mixing an additive carrier, cuprous oxide, titanium dioxide nanoparticles, zinc oxide nanoparticles, silicon dioxide nanoparticles, silver iodide nanoparticles and a titanate coupling agent, adding the mixture into deionized water, stirring the mixture uniformly by ultrasonic waves to obtain antibacterial and acarus killing additive slurry, drying the slurry, and grinding the slurry into powder to obtain the antibacterial and acarus killing additive; the mass parts of all the substances are as follows: 13 parts of additive carrier, 6 parts of cuprous oxide, 4 parts of titanium dioxide nanoparticles, 4 parts of zinc oxide nanoparticles, 2 parts of silicon dioxide nanoparticles and 2 parts of silver iodide nanoparticles; the particle size of each substance is as follows: additive carrier 50 μm, cuprous oxide 5 μm, titanium dioxide nanoparticles 100nm, zinc oxide nanoparticles 50nm, silicon dioxide nanoparticles 100nm, silver iodide nanoparticles 50 nm;
s5, preparing blended spinning solution: mixing the phase-change material microcapsule, the antibacterial and acarid-removing additive and the glycol, stirring, and performing ultrasonic treatment at room temperature for 5 hours to obtain a blended spinning solution;
s6, spinning and forming: pressing the blended spinning solution into a coagulating bath through a spray head, and preparing the phase change energy storage fiber through wet heat stretching and dry heat stretching processes;
the additive carrier is SnO2Hollow spheres of this SnO2The hollow ball is prepared by taking pollen as a template and adopting a hydrothermal method.
The coagulating bath is sodium sulfate aqueous solution, sodium thiocyanate aqueous solution, sodium chloride aqueous solution, magnesium sulfate aqueous solution, ethanol-water mixture, acetone-water mixture, N-dimethylformamide or N, N-dimethylacetamide.
The constant-temperature mite-killing antibacterial fiber prepared in the embodiment 1 of the invention has the heat storage capacity of 170-220J/g; the heat preservation rate is 87%; the bacteriostatic rate of the composition on staphylococcus aureus is 99.5 percent, the bacteriostatic rate on candida albicans is 98.5 percent, the bacteriostatic rate on typhoid bacillus is 99.2 percent, the aversion rate on mites is more than 95 percent, and the inhibitory rate is more than 98 percent; the dry breaking strength of the fiber is 2.70cN/dtex, the wet breaking strength is 1.80cN/dtex, the elongation at break is 20 percent, the surface moisture absorption and drainage performance is good, the wicking height is 150mm, and the moisture permeability is 11000g (m2D), the evaporation rate was 0.62 g/h.
Example 2
A preparation method of constant-temperature mite-killing antibacterial fiber comprises the following steps:
s1, preparing a phase-change material emulsion: mixing a phase change material and a phase change additive, heating to 44 ℃, stirring at 550r/min, raising the temperature to 65 ℃ after 5 minutes, adding an emulsifier, an initiator and distilled water, increasing the rotating speed to 1400r/min at the speed of 50r/min, and stirring for 1.2 hours to form stable emulsion; wherein the mass ratio of the phase-change material to the phase-change auxiliary agent to the emulsifier to the initiator to the distilled water is as follows: 100:8-9:6-7:1.7-2.1: 345-; the phase change additive is formed by mixing aluminum oxide and thermoplastic elastomer SBS in a mass ratio of 4: 3; the alumina is powdery, and the particle size is 50 nm; the particle size of the thermoplastic elastomer SBS is 110 nm;
s2, preparing a melamine urea formaldehyde resin capsule wall material: adding 37% of formaldehyde solution into a reaction kettle, stirring, adding 75% of urea, adjusting the pH value of a reaction system to be 4, slowly heating to 75 ℃ at the speed of 2 ℃/min, and reacting for 2 hours; adding melamine, reacting for 45 minutes, adjusting the pH value to 8.5 when the viscosity of the prepolymer reaches 20s, then adding urea, preserving the heat for 20 minutes, cooling to 50 ℃, adding starch tertiary amino alkyl ether, stirring uniformly, and adjusting the pH value to 7.5 when the temperature is reduced to 35 ℃ to obtain a melamine urea-formaldehyde resin capsule wall material;
s3, polymerization: dropwise adding the melamine formaldehyde resin capsule wall material prepolymer into the emulsion, stirring at the rotating speed of 2500r/min in a 75 ℃ water bath, dropwise adding citric acid to reduce the pH to 4.0, acidifying for 1 hour, heating to 85 ℃, reacting for 3 hours, heating to 92 ℃, solidifying for 45 minutes, standing the obtained reaction liquid after the reaction is finished, carrying out suction filtration, washing with ethanol, carrying out suction filtration to obtain a solid substance, washing with petroleum ether and distilled water for 1 time respectively, carrying out centrifugal separation, taking a precipitate, and drying at 40 ℃ to obtain a phase change material microcapsule;
s4, preparing an antibacterial and acarus killing additive, mixing an additive carrier, cuprous oxide, titanium dioxide nanoparticles, zinc oxide nanoparticles, silicon dioxide nanoparticles, silver iodide nanoparticles and a titanate coupling agent, adding the mixture into deionized water, stirring the mixture uniformly by ultrasonic waves to obtain antibacterial and acarus killing additive slurry, drying the slurry, and grinding the slurry into powder to obtain the antibacterial and acarus killing additive; the mass parts of all the substances are as follows: 13 parts of additive carrier, 6 parts of cuprous oxide, 4 parts of titanium dioxide nanoparticles, 4 parts of zinc oxide nanoparticles, 2 parts of silicon dioxide nanoparticles and 2 parts of silver iodide nanoparticles; the particle size of each substance is as follows: additive carrier 50 μm, cuprous oxide 5 μm, titanium dioxide nanoparticles 100nm, zinc oxide nanoparticles 50nm, silicon dioxide nanoparticles 100nm, silver iodide nanoparticles 50 nm;
s5, preparing blended spinning solution: mixing the phase-change material microcapsule, the antibacterial and acarid-removing additive and the glycol, stirring, and performing ultrasonic treatment at room temperature for 5 hours to obtain a blended spinning solution;
s6, spinning and forming: pressing the blended spinning solution into a coagulating bath through a spray head, and preparing the phase change energy storage fiber through wet heat stretching and dry heat stretching processes;
the additive carrier is SnO2Hollow spheres of this SnO2The hollow ball is prepared by taking pollen as a template and adopting a hydrothermal method.
The coagulating bath is sodium sulfate aqueous solution, sodium thiocyanate aqueous solution, sodium chloride aqueous solution, magnesium sulfate aqueous solution, ethanol-water mixture, acetone-water mixture, N-dimethylformamide or N, N-dimethylacetamide.
The constant-temperature mite-killing antibacterial fiber prepared in the embodiment 2 has the heat storage capacity of 180-220J/g; the heat preservation rate is 89%; the bacteriostatic rate of the composition on staphylococcus aureus is 99.6 percent, the bacteriostatic rate on candida albicans is 98.8 percent, the bacteriostatic rate on typhoid bacillus is 98.2 percent, the aversion rate on mites is more than 96 percent, and the inhibitory rate is more than 97 percent; the dry breaking strength of the fiber is 2.80cN/dtex, the wet breaking strength is 1.90cN/dtex, the elongation at break is 20 percent, the surface moisture absorption and drainage performance is good, the wicking height is 155mm, and the moisture permeability is 10900g (m)2And d) the evaporation rate was 0.60 g/h.
Example 3
A preparation method of constant-temperature mite-killing antibacterial fiber comprises the following steps:
s1, preparing a phase-change material emulsion: mixing a phase change material and a phase change additive, heating to 43 ℃, stirring at 520r/min, raising the temperature to 64 ℃ after 5 minutes, adding an emulsifier, an initiator and distilled water, simultaneously increasing the rotating speed to 1300r/min at the speed of 50r/min, and stirring for 1.1 hours to form stable emulsion; wherein the mass ratio of the phase-change material to the phase-change auxiliary agent to the emulsifier to the initiator to the distilled water is as follows: 100:8-9:6-7:1.7-2.1: 345-; the phase change additive is formed by mixing aluminum oxide and thermoplastic elastomer SBS in a mass ratio of 4: 3; the alumina is powdery, and the particle size is 45 nm; the particle size of the thermoplastic elastomer SBS is 100-110 nm;
s2, preparing a melamine urea formaldehyde resin capsule wall material: adding 37% of formaldehyde solution into a reaction kettle, stirring, adding urea accounting for 72% of the total amount, adjusting the pH value of a reaction system to be 4, slowly heating to 75 ℃ at the speed of 2 ℃/min, and reacting for 2 hours; adding melamine, reacting for 43 minutes, adjusting the pH to 8.5 when the viscosity of the prepolymer reaches 20s, then adding urea, preserving the heat for 20 minutes, cooling to 50 ℃, adding starch tertiary amino alkyl ether, stirring uniformly, and adjusting the pH to 7.5 when the temperature is reduced to 35 ℃ to obtain a melamine urea-formaldehyde resin capsule wall material;
s3, polymerization: dropwise adding the melamine formaldehyde resin capsule wall material prepolymer into the emulsion, stirring at the rotation speed of 2300r/min in a water bath at 73 ℃, dropwise adding citric acid to reduce the pH to 3.7, acidifying for 1 hour, heating to 84 ℃, reacting for 2.8 hours, heating to 91 ℃, curing for 45 minutes, standing and filtering the obtained reaction liquid after the reaction is finished, washing with ethanol and filtering to obtain a solid substance, washing with petroleum ether and distilled water for 1 time respectively, centrifuging, taking a precipitate, and drying at 40 ℃ to obtain a phase change material microcapsule;
s4, preparing an antibacterial and acarus killing additive, mixing an additive carrier, cuprous oxide, titanium dioxide nanoparticles, zinc oxide nanoparticles, silicon dioxide nanoparticles, silver iodide nanoparticles and a titanate coupling agent, adding the mixture into deionized water, stirring the mixture uniformly by ultrasonic waves to obtain antibacterial and acarus killing additive slurry, drying the slurry, and grinding the slurry into powder to obtain the antibacterial and acarus killing additive; the mass parts of all the substances are as follows: 13 parts of additive carrier, 6 parts of cuprous oxide, 4 parts of titanium dioxide nanoparticles, 4 parts of zinc oxide nanoparticles, 2 parts of silicon dioxide nanoparticles and 2 parts of silver iodide nanoparticles; the particle size of each substance is as follows: additive carrier 50 μm, cuprous oxide 5 μm, titanium dioxide nanoparticles 100nm, zinc oxide nanoparticles 50nm, silicon dioxide nanoparticles 100nm, silver iodide nanoparticles 50 nm;
s5, preparing blended spinning solution: mixing the phase-change material microcapsule, the antibacterial and acarid-removing additive and the glycol, stirring, and performing ultrasonic treatment at room temperature for 5 hours to obtain a blended spinning solution;
s6, spinning and forming: pressing the blended spinning solution into a coagulating bath through a spray head, and preparing the phase change energy storage fiber through wet heat stretching and dry heat stretching processes;
the additive carrier is SnO2Hollow spheres of this SnO2The hollow ball is prepared by taking pollen as a template and adopting a hydrothermal method.
The coagulating bath is sodium sulfate aqueous solution, sodium thiocyanate aqueous solution, sodium chloride aqueous solution, magnesium sulfate aqueous solution, ethanol-water mixture, acetone-water mixture, N-dimethylformamide or N, N-dimethylacetamide.
The constant-temperature mite-killing antibacterial fiber prepared in the embodiment 3 of the invention has the heat storage capacity of 180-210J/g; the heat preservation rate is 88 percent; the bacteriostatic rate of the composition on staphylococcus aureus is 98.8 percent, the bacteriostatic rate on candida albicans is 97.8 percent, the bacteriostatic rate on typhoid bacillus is 97.6 percent, the aversion rate on mites is more than 95 percent, and the inhibitory rate is more than 96 percent; the dry breaking strength of the fiber is 2.60cN/dtex, the wet breaking strength is 1.90cN/dtex, the elongation at break is 20 percent, the surface moisture absorption and drainage performance is good, the wicking height is 152mm, and the moisture permeability is 10800g (m2D), the evaporation rate was 0.58 g/h.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. A preparation method of constant-temperature mite-killing antibacterial fiber is characterized by comprising the following steps: the fiber takes phase change energy storage fiber as a main body and takes an antibacterial and mite-killing additive; the mass percentage of the antibacterial and acarid-removing additive in the fiber is respectively 2-4%; the antibacterial and acaricidal additive mainly comprises an additive carrier, cuprous oxide, titanium dioxide nanoparticles, zinc oxide nanoparticles, silicon dioxide nanoparticles, silver iodide nanoparticles and a titanate coupling agent; the preparation method comprises a phase change energy storage fiber preparation method and an antibacterial mite removing additive preparation method, and then the prepared antibacterial mite removing additive is added into the phase change energy storage fiber preparation method to carry out polymerization and blending to obtain the constant-temperature mite removing antibacterial fiber;
the preparation method of the phase change energy storage fiber comprises the following steps:
s1, preparing a phase-change material emulsion: mixing the phase change material and the phase change additive, heating to 42-44 ℃, stirring at 550r/min under 500-; wherein the mass ratio of the phase-change material to the phase-change auxiliary agent to the emulsifier to the initiator to the distilled water is as follows: 100:8-9:6-7:1.7-2.1: 345-; the phase change additive is formed by mixing aluminum oxide and thermoplastic elastomer SBS in a mass ratio of 4: 3; the alumina is powdery, and the particle size is 40-50 nm; the particle size of the thermoplastic elastomer SBS is 100-110 nm;
s2, preparing a melamine urea formaldehyde resin capsule wall material: adding 37% of formaldehyde solution into a reaction kettle, stirring, adding 70-75% of urea in the total amount, adjusting the pH value of a reaction system to be 4, slowly heating to 75 ℃ at the speed of 2 ℃/min, and reacting for 2 hours; adding melamine, reacting for 40-45 minutes, adjusting the pH to 8.5 when the viscosity of the prepolymer reaches 20s, then adding urea, preserving the heat for 20 minutes, cooling to 50 ℃, adding starch tertiary amino alkyl ether, stirring uniformly, and adjusting the pH to 7.5 when the temperature is reduced to 35 ℃ to obtain a melamine urea-formaldehyde resin capsule wall material;
s3, polymerization: dropwise adding the melamine formaldehyde resin capsule wall material prepolymer into the emulsion, stirring in a 70-75 ℃ water bath at the rotating speed of 2000-2500r/min, dropwise adding citric acid to reduce the pH value to 3.5-4.0, acidifying for 1 hour, heating to 83-85 ℃, reacting for 2.5-3 hours, heating to 90-92 ℃, solidifying for 45 minutes, standing and filtering the obtained reaction solution after the reaction is finished, washing with ethanol and filtering to obtain a solid substance, washing with petroleum ether and distilled water for 1 time respectively, performing centrifugal separation, taking a precipitate, and drying at 40 ℃ to obtain a phase-change material microcapsule;
s4, preparing blended spinning solution: mixing the phase-change material microcapsule, the antibacterial and acarid-removing additive and the glycol, stirring, and performing ultrasonic treatment at room temperature for 5 hours to obtain a blended spinning solution;
s5, spinning and forming: pressing the blended spinning solution into a coagulating bath through a spray head, and preparing the phase change energy storage fiber through wet heat stretching and dry heat stretching processes;
the preparation method of the antibacterial mite-killing additive comprises the following steps: mixing an additive carrier, cuprous oxide, titanium dioxide nanoparticles, zinc oxide nanoparticles, silicon dioxide nanoparticles, silver iodide nanoparticles and a titanate coupling agent, adding the mixture into deionized water, stirring the mixture uniformly by ultrasonic to obtain antibacterial and acaricidal additive slurry, drying the antibacterial and acaricidal additive slurry, and grinding the antibacterial and acaricidal additive slurry into powder to obtain the antibacterial and acaricidal additive.
2. The preparation method of the constant-temperature mite-killing antibacterial fiber according to claim 1, which is characterized by comprising the following steps of: in the antibacterial mite-killing additive, the mass parts of all the substances are as follows: 13 parts of additive carrier, 6 parts of cuprous oxide, 4 parts of titanium dioxide nanoparticles, 4 parts of zinc oxide nanoparticles, 2 parts of silicon dioxide nanoparticles and 2 parts of silver iodide nanoparticles; the particle size of each substance is as follows: 50 mu m of additive carrier, 5 mu m of cuprous oxide, 100nm of titanium dioxide nano particles, 50nm of zinc oxide nano particles, 100nm of silicon dioxide nano particles and 50nm of silver iodide nano particles.
3. The preparation method of the constant-temperature mite-killing antibacterial fiber according to claim 1, which is characterized by comprising the following steps of: the additive carrier is SnO2Hollow spheres of this SnO2The hollow ball is prepared by taking pollen as a template and adopting a hydrothermal method.
4. The preparation method of the constant-temperature mite-killing antibacterial fiber according to claim 1, which is characterized by comprising the following steps of: the coagulating bath is sodium sulfate aqueous solution, sodium thiocyanate aqueous solution, sodium chloride aqueous solution, magnesium sulfate aqueous solution, ethanol-water mixture, acetone-water mixture, N-dimethylformamide or N, N-dimethylacetamide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210147223.5A CN114381824A (en) | 2022-02-17 | 2022-02-17 | Constant-temperature mite-killing antibacterial fiber and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210147223.5A CN114381824A (en) | 2022-02-17 | 2022-02-17 | Constant-temperature mite-killing antibacterial fiber and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114381824A true CN114381824A (en) | 2022-04-22 |
Family
ID=81206143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210147223.5A Pending CN114381824A (en) | 2022-02-17 | 2022-02-17 | Constant-temperature mite-killing antibacterial fiber and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114381824A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024119615A1 (en) * | 2022-12-06 | 2024-06-13 | 青岛邦特生态纺织科技有限公司 | Preparation method for antibacterial and anti-mite intelligent constant-temperature fiber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107022800A (en) * | 2017-03-24 | 2017-08-08 | 山传雷 | A kind of high heat storage amount phase-changing and temperature-regulating viscose rayon and preparation method thereof |
| CN107142546A (en) * | 2017-06-07 | 2017-09-08 | 广州市中诚新型材料科技有限公司 | The compound polyester functional fibre of a kind of far infrared, antibacterial mite-removing and its manufacture method |
| CN109576808A (en) * | 2018-11-29 | 2019-04-05 | 山传雷 | A kind of inorganic fire-retarded intelligent temperature adjusting fiber cellulose fiber and preparation method thereof |
| CN110820068A (en) * | 2019-10-17 | 2020-02-21 | 浙江大学 | Preparation method of phase change fiber |
-
2022
- 2022-02-17 CN CN202210147223.5A patent/CN114381824A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107022800A (en) * | 2017-03-24 | 2017-08-08 | 山传雷 | A kind of high heat storage amount phase-changing and temperature-regulating viscose rayon and preparation method thereof |
| CN107142546A (en) * | 2017-06-07 | 2017-09-08 | 广州市中诚新型材料科技有限公司 | The compound polyester functional fibre of a kind of far infrared, antibacterial mite-removing and its manufacture method |
| CN109576808A (en) * | 2018-11-29 | 2019-04-05 | 山传雷 | A kind of inorganic fire-retarded intelligent temperature adjusting fiber cellulose fiber and preparation method thereof |
| CN110820068A (en) * | 2019-10-17 | 2020-02-21 | 浙江大学 | Preparation method of phase change fiber |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024119615A1 (en) * | 2022-12-06 | 2024-06-13 | 青岛邦特生态纺织科技有限公司 | Preparation method for antibacterial and anti-mite intelligent constant-temperature fiber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111251693A (en) | Method for preparing underwear with antibacterial effect by using electrostatic spinning method | |
| CN104983100B (en) | Water proof fire retardant functional clothing fabric processing method | |
| CN111534875B (en) | Efficient antibacterial antiviral isatis root viscose fiber and preparation method thereof | |
| CN114086394B (en) | Treatment process of non-woven fabric for mask | |
| CN101187089A (en) | Silk fibroin and polyvinyl alcohol blending antibacterial nanometer fiber and its preparation method | |
| CN102763678A (en) | Method for preparing cubic zirconium phosphate silver-carrying antimicrobial powder | |
| CN106835343A (en) | A kind of plants antimicrobial cellulose fibre and preparation method thereof and the medical water proof nonwoven cloth prepared using the fiber | |
| CN105970614A (en) | Preparation method for antibacterial acrylic fiber | |
| CN102493014B (en) | A kind of epsilon-polylysine polyvinyl alcohol compound bio anti-bacterial fibre and preparation method thereof | |
| CN105316784A (en) | Composite microcapsule additive containing phase change material and sarcandra glabra extract and application of composite microcapsule additive | |
| CN114381824A (en) | Constant-temperature mite-killing antibacterial fiber and preparation method thereof | |
| CN109468691A (en) | A kind of antibiotic polyester fiber and preparation method thereof | |
| CN111068404B (en) | Preparation method of antibacterial liquid filtering material | |
| CN109252245B (en) | Super-absorbent alginate fiber and preparation method thereof | |
| CN101974796A (en) | Method for preparing medical stone cellulose fiber | |
| WO2017092234A1 (en) | Mesoporous zirconium-phosphate loaded nano-silver antibacterial polyester fiber and method for preparation thereof | |
| CN105624920A (en) | Highly-antibacterial novel slightly-soluble nonwoven cloth capable of adsorbing heavy metal particles | |
| CN105755673A (en) | Manufacturing method for antibacterial high selectivity nanofiber membrane | |
| CN112647154A (en) | Antibacterial polylactic acid melt-blown non-woven fabric | |
| CN115490931B (en) | Multifunctional natural latex mattress for cleaning and nursing and preparation method thereof | |
| CN115058787B (en) | Preparation method of antibacterial and antiviral cool feeling fiber | |
| CN109303879A (en) | A kind of traditional Chinese medicine plaster and preparation method thereof for treating eczema | |
| CN107412882B (en) | Preparation method of attached flexible artificial skin receptor | |
| CN112175379B (en) | Biological membrane material | |
| CN115726050A (en) | Preparation method of pearl protein modified polyester fiber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220422 |