CN109666977A - A kind of anti-bacterial fibre preparation method - Google Patents
A kind of anti-bacterial fibre preparation method Download PDFInfo
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- CN109666977A CN109666977A CN201910139119.XA CN201910139119A CN109666977A CN 109666977 A CN109666977 A CN 109666977A CN 201910139119 A CN201910139119 A CN 201910139119A CN 109666977 A CN109666977 A CN 109666977A
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- electrostatic spinning
- liquid
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- basal liquid
- spinning
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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
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D13/00—Complete machines for producing artificial threads
-
- 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
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
-
- 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
Abstract
The present invention relates to antimicrobial technology field more particularly to a kind of preparation methods of anti-bacterial fibre.This method comprises: the first solvent is added in fiber base material and under the first whipping temp, stirring at the first time, obtains the first electrostatic spinning basal liquid；By catalysis material and dispersing agent while the second solvent of addition and under the second whipping temp, stirred for the second time, obtain the second electrostatic spinning basal liquid；It is stirred the first electrostatic spinning basal liquid and the second electrostatic spinning basal liquid to form electrostatic spinning liquid；Spinning is carried out to electrostatic spinning liquid, prepares anti-bacterial fibre.Preparation condition of the embodiment of the present invention is mild, photocatalyst activity is excellent, it is low in cost, simple production process is easily-controllable, is easy to implement industrialized production, excellent antibacterial effect of the anti-bacterial fibre in bacteriums such as Escherichia coli, staphylococcus aureuses, suitable for fabrics such as clothing, socks, the decorating cloths such as curtain, tablecloth, the outdoor goods such as field tent, rapid-curing cutback clothing, the medical articles such as hospital gauze, medical mask.
Description
Technical field
The present invention relates to anti-biotic material technical field more particularly to a kind of preparation methods of anti-bacterial fibre.
Background technique
With the development of society, public also higher and higher for quality of the life requirement.And fiber weaving product (such as towel, clothing
Object and rag etc.) as essential article in daily life, there is very high contact and frequency of use.As a result, this
A little fiber weaving product are easy to happen the phenomenon that breeding bacterial virus, while also the health of the inevasible person of being used for causes not
Good influence.
People would generally solve asking for bacterial virus growth using the modes such as external disinfection or cleaning fiber weaving product
Topic.But excessively high disinfection or cleaning frequency can cause unnecessary trouble to daily use.
In the implementation of the present invention, it is found by the applicant that there are many fiber producing processes, such as method of electrostatic spinning, mould
General laws, film rotary process, wet spinning process and curling method etc., may be used to simple and fast a large amount of production fibrous raw materials and its
Weaving goods.
But the function of these fibers is relatively simple, can not effective solution bacterial virus breed etc. problem.How to lead to
Cross simple process, maintained on fiber or its weaving goods long-acting and stable antibacterial ability be still there is an urgent need to
The technical issues of solution.
Summary of the invention
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of preparation sides of anti-bacterial fibre
Method, it is intended to which long-acting and stable antibacterial ability can not be provided by solving fibrous raw material in the prior art, be made to the health of user
The problem of at adverse effect.
In order to achieve the above object, first aspect of the embodiment of the present invention provides a kind of preparation method of anti-bacterial fibre.Wherein,
The described method includes:
By fiber base material the first solvent of addition and under the first whipping temp, after stirring first time, the first electrostatic is obtained
Spinning basal liquid；
By catalysis material and dispersing agent while the second solvent of addition and under the second whipping temp, stirred for the second time
Afterwards, the second electrostatic spinning basal liquid is obtained；
It is proportionally added into the first electrostatic spinning basal liquid and the second electrostatic spinning basal liquid, is stirred to form electrostatic
Spinning solution；
With the electrostatic spinning process parameter of setting, spinning is carried out to the electrostatic spinning liquid, prepares the anti-bacterial fibre.
Optionally, the fiber base material is selected from polyacrylonitrile, polylactic acid, polyethylene, polypropylene, polystyrene, polyethylene
Alcohol, polyethylene oxide, the one or more of polycarbonate and polyvinylidene chloride；First solvent is selected from ethyl alcohol, third
One of ketone, N,N-dimethylformamide and ethanol water are a variety of.
Optionally, mass percent of the fiber base material in the first electrostatic spinning basal liquid is 5-25%.
Optionally, first whipping temp is 40 to 80 DEG C, and the first time is 1-12h.
Optionally, the dispersing agent is selected from polyvinylpyrrolidone, alginate, aerosil, Silica hydrogel, silicon
One of titanium aeroge, carbon nanotube and chitosan are a variety of；
The catalysis material be selected from nano nonmetal catalysis material, nonmetal doping catalysis material, alkali metal or
Alkaline earth metal doping non-metal optical catalysis material, metal organic framework compound, nanometer bismuth system oxide, titanium dioxide, three oxygen
Change tungsten, tin oxide, zirconium dioxide, manganese oxide, di-iron trioxide, modified nano-titanium dioxide, metal organic frame modified Nano
One of zinc oxide and multicomponent compound are a variety of.
Optionally, mass percent of the dispersing agent in the second electrostatic spinning basal liquid is 1-5%, the light
Mass percent of the catalysis material in the second electrostatic spinning basal liquid is 10-30%.
Optionally, second whipping temp is 40 to 80 DEG C, and second time is 0.5-2h.
Optionally, described to be proportionally added into the first electrostatic spinning basal liquid and the second electrostatic spinning basal liquid, stirring
It is mixed to form electrostatic spinning liquid, is specifically included:
It is proportionally added into the first electrostatic spinning basal liquid and the second electrostatic spinning basal liquid, first electrostatic spinning
Percent by volume shared by basal liquid is 45%-90%；
Electrostatic spinning liquid is made in stirring 1 to 3 hour.
Optionally, the electrostatic spinning process parameter includes instrument parameter and preparation condition parameter；The instrument parameter packet
It includes: when positive and negative electrode distance, generating positive and negative voltage, needle diameter, receiver revolving speed, fltting speed, spinneret roller distance and spinning
Between；The preparation condition parameter includes: temperature parameter and humidity parameter.
Optionally, the positive and negative electrode distance is 4-10cm；The positive and negative voltage difference is 15-40KV；The needle diameter
For 0.6-1.2mm；The receiver revolving speed is 30-130r/min；The fltting speed is 0.2-0.5mm/s；The spinneret rolling
Cylinder distance is 15-35cm；The spinning time is 1-12h；The environment temperature is 10-40 DEG C；The ambient humidity is 20%-
80%.
Anti-bacterial fibre preparation method provided in an embodiment of the present invention will in conjunction with catalysis material and electrostatic spinning technique
The shortcomings that original stability of catalysis material, long-term effect, high efficiency, spectrum combination overcomes existing fibrous raw material.
The anti-bacterial fibre prepared has excellent mechanical strength, good photochemical stability, high antibiotic property and higher heat steady
It is qualitative, conducive to application in practice.
And entirely produce in preparation process, preparation condition is mild, and simply, photocatalyst activity is excellent, preparation method letter
Single, low in cost, simple production process is easily-controllable, it can be achieved that industrialized production, anti-bacterial fibre is in Escherichia coli, Staphylococcus aureus
The excellent antibacterial effect of the bacteriums such as bacterium can be widely applied for anti-biotic material technical field, very widely used, be suitable for clothing,
The fabrics such as socks, the decorating cloths such as curtain, tablecloth, the outdoor goods such as field tent, rapid-curing cutback clothing, hospital gauze, medical mask
Etc. medical articles.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element.It removes
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the method flow diagram of the preparation method of the anti-bacterial fibre of the embodiment of the present invention.
Specific embodiment
To make the purpose of the present invention, technical solution and effect clearer, clear and definite, right as follows in conjunction with drawings and embodiments
The present invention is further described.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to
Limit the present invention.
The numerical value disclosed in the embodiment of the present invention is approximation, and and non-determined value.Allow in error or experiment condition
In the case where, it may include all values in error range and be not limited to specific value disclosed in the embodiment of the present invention.
The numberical range disclosed in the embodiment of the present invention is for indicating the relative quantity of component in the mixture and its other party
The range of the temperature or other parameters enumerated in method embodiment.One or more numerical point in the numberical range is appropriate
Under conditions of obtain.
Fig. 1 is the preparation method of anti-bacterial fibre provided in an embodiment of the present invention.The preparation method mainly utilizes electrostatic spinning
Method prepare anti-bacterial fibre.Electrostatic spinning simple, short preparation period, advantage at low cost with equipment.And it makes
Standby to obtain fibrous raw material large specific surface area, porosity is high, can be very good to be made as different fiber weaving product.
It should be noted that the invention thinking of preparation method based on the embodiment of the present invention, it can also be by the preparation
Method is applied to die methods, film rotary process, wet spinning process or curling method etc. after suitably being adjusted perhaps variation
Different fiber producing processes are to prepare the anti-bacterial fibre with similar anti-microbial property.
As shown in Figure 1, the preparation method includes the following steps:
100, by fiber base material the first solvent of addition and under the first whipping temp, after stirring first time, first is obtained
Electrostatic spinning basal liquid.
Fiber base material is the polymer basis material for constituting anti-bacterial fibre.It specifically can be according to the needs of actual conditions
(such as tensile property, warmth retention property or smooth degree etc.), selection use corresponding high molecular polymer.In some embodiments
In, the fiber base material is selected from polyacrylonitrile, polylactic acid, polyethylene, polypropylene, polystyrene, polyvinyl alcohol, polycyclic oxygen second
The one or more of alkane, polycarbonate and polyvinylidene chloride, it is fine to prepare the antibacterial with different service performances
Dimension.
In some embodiments, mass percent control of the fiber base material in the first electrostatic spinning basal liquid
It is unstable or subsequent electrostatic spinning process is adversely affected to avoid there is solution system between 5-25%.
First solvent is the liquid for dissolving above-mentioned polymer basis material.It can be according to the macromolecule actually selected
Polymer determines, as long as having enough solvabilities.Specifically, first solvent is selected from ethyl alcohol, acetone, N, N-
One of dimethylformamide and ethanol water are a variety of.
In the actual operation process, high-temperature stirring time enough is needed so that fiber base material can be by adequately molten
Solution.It is preferred that first whipping temp can be controlled at 40 to 80 DEG C, the first time is that 1-12h enables fiber base
Material sufficiently dissolves, and prepares the first electrostatic spinning basal liquid.
200, by catalysis material and dispersing agent while the second solvent of addition and under the second whipping temp, when stirring second
Between after, obtain the second electrostatic spinning basal liquid.
Catalysis material is a kind of environmentally friendly low energy consumption material, under the light excitation of suitable wavelength, Ji Kefa
Wave corresponding sterilization or bacteriostasis.It is accumulated by the research of decades, has had developed a large amount of photochemical catalyst at present.
Since ultraviolet light only accounts for 4% or so of solar energy, and visible light (400~750nm) then accounts for solar energy
43%.It is thereby possible to select using visible light responsible photocatalytic material to obtain better antibacterial effect.
Specifically, the catalysis material can be selected from nano nonmetal catalysis material, nonmetal doping photocatalysis material
Material, alkali or alkaline earth metal doping non-metal optical catalysis material, metal organic framework compound, nanometer bismuth system oxide, two
Titanium oxide, tungstic acid, tin oxide, zirconium dioxide, manganese oxide, di-iron trioxide, modified nano-titanium dioxide, metal have machine frame
One of frame modified nano zinc oxide and multicomponent compound are a variety of.
Wherein, the alkali or alkaline earth metal can be potassium monoxide or carbonitride.The metal organic framework chemical combination
Object can be net metal, organic framework material or class zeolite imidazole skeleton material etc..
The bismuth system oxide can be bismuth oxide, chlorine oxygen bismuth, bismuthyl carbonate, bromine oxygen bismuth, iodine oxygen bismuth etc..It is described to change
Property titanium dioxide can be nitrogen-doped titanium dioxide, sulfur doping titanium dioxide, oxygen defect titanium dioxide, photosensitizer type titanium dioxide
Etc. different titanium dioxide.The multicomponent compound can be selected from tungstic acid/titanium deoxide catalyst, graphene/titanium dioxide
The catalyst that titanium catalyst and graphene/carbon nitride catalyst etc. are compounded to form by multicomponent.
Dispersing agent is used to improve the dispersion performance of solute, and precipitating is avoided to occur and influence helping for subsequent fiber manufacturing process
Agent.Specifically, the dispersing agent can be selected from polyvinylpyrrolidone, alginate, aerosil, Silica hydrogel, silicon titanium
One of aeroge, carbon nanotube and chitosan are a variety of, play good peptizaiton.
Solution system to guarantee the second electrostatic spinning basal liquid is stable and has enough anti-microbial properties, in some realities
It applies in example, mass percent of the dispersing agent in the second electrostatic spinning basal liquid is controlled in 1-5%.Correspondingly, institute
Mass percent of the catalysis material in the second electrostatic spinning basal liquid is stated to control in 10-30%.
In actual fabrication process, the temperature of stirring can be enabled to be stably held in the second stirring by way of heating water bath
Temperature.It is preferred that second whipping temp can control at 40 to 80 DEG C, second time be can control in 0.5-2h
To ensure to be stirred evenly and the second stable electrostatic spinning basal liquid.
300, it is proportionally added into the first electrostatic spinning basal liquid and the second electrostatic spinning basal liquid, is stirred to be formed
Electrostatic spinning liquid.
Two kinds of bases that the final electrostatic spinning liquid for carrying out electrostatic spinning can be prepared in advance by step 100 and step 200
Liquid is mixed to form.The ratio of the two mixing is an empirical numerical value, can pass through many experiments or tune by technical staff
Examination experience and determine.
It is preferred that in the implementation of the present invention, amazing discovery, when the first electrostatic spinning basal liquid
(relatively, percentage shared by the second electrostatic spinning basal liquid is 55%- when shared percent by volume is 45%-90%
10%) optimal anti-bacterial fibre preparation effect can, be obtained.The anti-bacterial fibre prepared can either keep fiber base well
Service performance possessed by material, and it is able to maintain that long-acting and stable antibacterial ability, all have for Staphylococcus aureus etc.
Extraordinary inhibiting effect.
In the actual operation process, it is also necessary to by mixed first electrostatic spinning basal liquid and the second electrostatic spinning basis
Liquid stirs 1 to 3 hour, so that the two is uniformly mixed so that final electrostatic spinning liquid is made.
400, with the electrostatic spinning process parameter of setting, spinning is carried out to the electrostatic spinning liquid, it is fine to prepare the antibacterial
Dimension.
The series of process parameter for needing to set or determine when electrostatic spinning process parameter is electrostatic spinning.Generally,
It rough can be divided into two class of instrument parameter and preparation condition parameter.
Wherein, the instrument parameter may include positive and negative electrode distance, generating positive and negative voltage, needle diameter, receiver revolving speed, push away
Into speed, spinneret roller distance and spinning time.The preparation condition parameter then may include: temperature parameter and humidity ginseng
Number.
Specifically, compatible with the component of the electrostatic spinning liquid disclosed in above-mentioned steps, the positive and negative electrode distance is
4-10cm；The positive and negative voltage difference is 15-40KV；The needle diameter is 0.6-1.2mm；The receiver revolving speed is 30-
130r/min；The fltting speed is 0.2-0.5mm/s；The spinneret roller distance is 15-35cm；The spinning time is 1-
12h；The environment temperature is 10-40 DEG C；The ambient humidity is 20%-80%.
The preparation method of the embodiment of the present invention utilizes the stability of catalysis material, long-term effect, high efficiency and spectrum, can
To prepare the fibrous raw material with long-acting and stable antibacterial ability.It is for Escherichia coli, staphylococcus aureus etc.
Bacterium all has good antibacterial effect and to have both pulp freeness big, and porosity is high, nontoxic, pollution-free and be easy to moulding
Deng advantage, the industries such as industry, medicine, food, household (such as fabrics such as antibacterial clothes, socks, window can be widely applied to
The decorating cloths such as curtain, tablecloth, field tent, rapid-curing cutback clothing, the outdoor goods such as medical articles such as hospital gauze, medical mask).
Based on preparation method shown in FIG. 1, several specific preparating examples presented below were completely prepared with being described in detail
Journey and its optional numberical range.
Embodiment 1:
1) polyacrylonitrile is dissolved in the organic solvent (body of the two that N,N-dimethylformamide (DMF) and acetone mix
Product is than being 1:1) in, and stirred 2 hours at 50 DEG C, obtain the first electrostatic spinning basal liquid.
Wherein, solution quality percentage shared by polyacrylonitrile is 10%.
2) catalysis material and dispersing agent are added in acetone solvent, using heating water bath to 35 DEG C, stir 2 hours, obtain
Obtain the second electrostatic spinning basal liquid.
Wherein, catalysis material is non-metal optical catalysis material, and shared mass percent is 10%；Dispersing agent is polyethylene
Pyrrolidones, shared mass percent are 3%.
3) it is proportionally added into the first electrostatic spinning basal liquid and the second electrostatic spinning basal liquid, stirs 1.5 hours shapes
At electrostatic spinning liquid.
Wherein, ratio shared by the first electrostatic spinning basal liquid is 55%.
4) electrostatic spinning process parameter is set, spinning is carried out to prepare anti-bacterial fibre to the electrostatic spinning liquid.
Wherein, positive and negative electrode distance is 6cm, positive and negative voltage difference 20KV, needle diameter 0.6mm, and receiver revolving speed is
100r/min, fltting speed 0.3mm/s, spinneret roller distance are 20cm, and the spinning time is 6h, the environment temperature of electrostatic spinning
It is 25 DEG C, ambient humidity 55%.
The anti-bacterial fibre of preparation has excellent antibiotic property, can be adapted for the fabrics such as clothing, socks, curtain, tablecloth etc.
Decorating cloth, the medical articles of the outdoor goods and hospital gauze, medical mask etc. such as field tent, rapid-curing cutback clothing.
Embodiment 2:
1) polyvinyl alcohol is dissolved in the water, and is stirred 2 hours at 50 DEG C, obtain the first electrostatic spinning basal liquid.
Wherein, solution quality percentage shared by polyvinyl alcohol is 20%.
2) catalysis material and dispersing agent are added in acetone solvent, using heating water bath to 35 DEG C, stir 1 hour, obtain
Obtain the second electrostatic spinning basal liquid.
Wherein, catalysis material is titanium dioxide, and shared mass percent is 15%；Dispersing agent is silica airsetting
Glue, shared mass percent are 3%.
3) it is proportionally added into the first electrostatic spinning basal liquid and the second electrostatic spinning basal liquid, stirs 1.5 hours shapes
At electrostatic spinning liquid.
Wherein, ratio shared by the first electrostatic spinning basal liquid is 45%.
4) electrostatic spinning process parameter is set, spinning is carried out to prepare anti-bacterial fibre to the electrostatic spinning liquid.
Wherein, positive and negative electrode distance is 7cm, positive and negative voltage difference 25KV, needle diameter 0.6mm, and receiver revolving speed is
120r/min, fltting speed 0.3mm/s, spinneret roller distance are 20cm, and the spinning time is 3h, the environment temperature of electrostatic spinning
It is 30 DEG C, ambient humidity 55%.
The anti-bacterial fibre of preparation has excellent antibacterial and self-cleaning performance, can be adapted for the fabrics such as clothing, socks, window
The decorating cloths such as curtain, tablecloth, the medical articles of the outdoor goods and hospital gauze, medical mask etc. such as field tent, rapid-curing cutback clothing.
Embodiment 3:
1) polyethylene oxide is dissolved in the organic solvent (volume ratio of the two is 1:1) that water and acetone mix, and
It is stirred 1 hour at 60 DEG C, obtains the first electrostatic spinning basal liquid.
Wherein, solution quality percentage shared by polyethylene oxide is 10%.
2) catalysis material and dispersing agent are added in acetone solvent, using heating water bath to 50 DEG C, stir 2 hours, obtain
Obtain the second electrostatic spinning basal liquid.
Wherein, catalysis material is non-metal optical catalysis material, and shared mass percent is 15%；Dispersing agent is that silicon is molten
Glue, shared mass percent are 1%.
3) it is proportionally added into the first electrostatic spinning basal liquid and the second electrostatic spinning basal liquid, stirs 2 hours and is formed
Electrostatic spinning liquid.
Wherein, ratio shared by the first electrostatic spinning basal liquid is 60%.
4) electrostatic spinning process parameter is set, spinning is carried out to prepare anti-bacterial fibre to the electrostatic spinning liquid.
Wherein, positive and negative electrode distance is 7cm, positive and negative voltage difference 35KV, needle diameter 0.7mm, and receiver revolving speed is
120r/min, fltting speed 0.4mm/s, spinneret roller distance are 25cm, and the spinning time is 12h, the environment temperature of electrostatic spinning
Degree is 25 DEG C, ambient humidity 45%.
The anti-bacterial fibre of preparation has excellent antibacterial and self-cleaning performance, is suitable for the fabrics such as clothing, socks, curtain,
The decorating cloths such as tablecloth, the medical articles of the outdoor goods and hospital gauze, medical mask etc. such as field tent, rapid-curing cutback clothing.
It should be noted that catalysis material is also an option that, using titanium dioxide, nitrogen is mixed in above-described embodiment 1 to 3
One of miscellaneous titanium dioxide, bismuth system oxide and non-metal optical catalysis material are a variety of, and are not limited to limit in embodiment 1-3
Fixed catalysis material.And optimal catalysis material is non-metal optical catalysis material.
In conclusion the anti-bacterial fibre that above-mentioned specific embodiment prepares all has by properties verification experimental verification
Excellent mechanical strength, good photochemical stability, high antibiotic property and higher thermal stability, conducive to answering in practice
With.
And entirely produce in preparation process, preparation condition is mild, and simply, photocatalyst activity is excellent, preparation method letter
Single, low in cost, simple production process is easily-controllable, it can be achieved that industrialized production, can be widely applied for anti-biotic material technical field.
It, can according to the technique and scheme of the present invention and this hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to the guarantor of appended claims of the invention
Protect range.
Claims (10)
1. a kind of preparation method of anti-bacterial fibre, which is characterized in that the described method includes:
By fiber base material the first solvent of addition and under the first whipping temp, after stirring first time, the first electrostatic spinning is obtained
Basal liquid；
By catalysis material and dispersing agent while the second solvent of addition and under the second whipping temp, after stirring for the second time, obtain
Obtain the second electrostatic spinning basal liquid；
It is proportionally added into the first electrostatic spinning basal liquid and the second electrostatic spinning basal liquid, is stirred to form electrostatic spinning
Liquid；
With the electrostatic spinning process parameter of setting, spinning is carried out to the electrostatic spinning liquid, prepares the anti-bacterial fibre.
2. preparation method according to claim 1, which is characterized in that the fiber base material be selected from polyacrylonitrile, polylactic acid,
Polyethylene, polypropylene, polystyrene, polyvinyl alcohol, polyethylene oxide, one kind of polycarbonate and polyvinylidene chloride or
It is a variety of；
First solvent is selected from one of ethyl alcohol, acetone, N,N-dimethylformamide and ethanol water or a variety of.
3. preparation method according to claim 1, which is characterized in that the fiber base material is in the first electrostatic spinning base
Mass percent in plinth liquid is 5-25%.
4. preparation method according to claim 1 or 2 or 3, which is characterized in that first whipping temp is 40 to 80
DEG C, the first time is 1-12h.
5. preparation method according to claim 1, which is characterized in that the dispersing agent is selected from polyvinylpyrrolidone, sea
One of alginates, aerosil, Silica hydrogel, silicon titanium aeroge, carbon nanotube and chitosan are a variety of；
The catalysis material is selected from nano nonmetal catalysis material, nonmetal doping catalysis material, alkali metal or alkaline earth
Metal-doped non-metal optical catalysis material, metal organic framework compound, nanometer bismuth system oxide, titanium dioxide, tungstic acid,
Tin oxide, zirconium dioxide, manganese oxide, di-iron trioxide, modified nano-titanium dioxide, metal organic frame modified nano zinc oxide
And one of multicomponent compound or a variety of.
6. preparation method according to claim 1, which is characterized in that the dispersing agent is on the second electrostatic spinning basis
Mass percent in liquid is 1-5%, mass percent of the catalysis material in the second electrostatic spinning basal liquid
For 10-30%.
7. preparation method described according to claim 1 or 5 or 6, which is characterized in that second whipping temp is 40 to 80
DEG C, second time is 0.5-2h.
8. preparation method according to claim 1, which is characterized in that described to be proportionally added into the first electrostatic spinning base
Plinth liquid and the second electrostatic spinning basal liquid, are stirred to form electrostatic spinning liquid, specifically include:
It is proportionally added into the first electrostatic spinning basal liquid and the second electrostatic spinning basal liquid, the first electrostatic spinning basis
Percent by volume shared by liquid is 45%-90%；
Electrostatic spinning liquid is made in stirring 1 to 3 hour.
9. preparation method according to claim 7, which is characterized in that the electrostatic spinning process parameter includes instrument parameter
With preparation condition parameter；
The instrument parameter includes: positive and negative electrode distance, generating positive and negative voltage, needle diameter, receiver revolving speed, fltting speed, spinneret
Roller distance and spinning time；The preparation condition parameter includes: temperature parameter and humidity parameter.
10. preparation method according to claim 9, which is characterized in that the positive and negative electrode distance is 4-10cm；It is described just
Negative electricity pressure difference is 15-40KV；The needle diameter is 0.6-1.2mm；The receiver revolving speed is 30-130r/min；It is described to push away
It is 0.2-0.5mm/s into speed；The spinneret roller distance is 15-35cm；The spinning time is 1-12h；
The environment temperature is 10-40 DEG C；The ambient humidity is 20%-80%.
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| CN111165235A (en) * | 2019-12-31 | 2020-05-19 | 赵梓权 | Photocatalytic spray type insect-proof antibacterial fresh-keeping liquid and preparation method thereof |
| CN111286175A (en) * | 2020-03-16 | 2020-06-16 | 赵梓权 | Degradable spinning raw material, degradable fiber membrane and degradable protective cover |
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| CN113186655A (en) * | 2021-04-06 | 2021-07-30 | 北京理工大学 | Nano carbon nitride fiber film and preparation method thereof |
| CN115704183A (en) * | 2021-08-16 | 2023-02-17 | 大禾科技发展(南京)有限公司 | Biodegradable polylactic acid antibacterial melt-blown fabric for mask |
| CN113802205A (en) * | 2021-10-29 | 2021-12-17 | 宁波航天米瑞科技有限公司 | Antibacterial fiber, preparation method thereof and antibacterial product |
| CN113802205B (en) * | 2021-10-29 | 2023-10-20 | 宁波航天米瑞科技有限公司 | Antibacterial fiber, preparation method thereof and antibacterial product |
| CN114293320A (en) * | 2022-01-10 | 2022-04-08 | 上海交通大学 | High-heat-dissipation radiation cooling film for high-power heating device and preparation method thereof |
| CN114939439A (en) * | 2022-06-23 | 2022-08-26 | 西北师范大学 | Preparation and application of titanium dioxide/MOF (Fe)/polyacrylonitrile nanofiber membrane |
| CN114939439B (en) * | 2022-06-23 | 2023-12-12 | 西北师范大学 | Preparation and application of titanium dioxide/MOF (Fe)/polyacrylonitrile nanofiber membrane |
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