CN105839291A - Antibacterial nano-fiber non-woven material and preparation method - Google Patents
Antibacterial nano-fiber non-woven material and preparation method Download PDFInfo
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- CN105839291A CN105839291A CN201610259969.XA CN201610259969A CN105839291A CN 105839291 A CN105839291 A CN 105839291A CN 201610259969 A CN201610259969 A CN 201610259969A CN 105839291 A CN105839291 A CN 105839291A
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—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
- D04H1/4374—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 using different kinds of webs, e.g. by layering webs
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- 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
- D04H1/70—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/728—Hydrophilic
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nonwoven Fabrics (AREA)
- Artificial Filaments (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses an antibacterial nano-fiber non-woven material and a preparation method. The antibacterial nano-fiber non-woven material comprises at least two antibacterial nano-fiber layers, a hydrophilic nano-fiber layer is arranged between every two adjacent antibacterial nano-fiber layers, nano-fibers of the antibacterial nano-fiber layers are crossed in the three-dimensional space to form holes with nanoparticles and nano-fiber clusters, and antibacterial nano-silver particles and antibacterial nano-zinc oxide particles are distributed in the holes; the nano-silver particles and antibacterial nano-zinc oxide particles are distributed in the holes with nanoparticles and nano-fiber clusters, and the antibacterial particles cannot fall off easily and act jointly, so that the antibacterial nano-fiber non-woven material has the lasting antibacterial property. Besides, the hydrophilic nano-fiber layer provides the antibacterial nano-fiber non-woven material with the good hydrophilic property. The antibacterial nano-fiber non-woven material prepared with the preparation method can be widely applied to the fields of articles for daily use, medical care, hygienic products for infants and adults and the like.
Description
Technical field
The invention belongs to non-woven material field, be specifically related to a kind of nanofiber antibacterial nonwoven material and system
Preparation Method.
Background technology
Non-woven material is also known as non-weaving cloth, nonwoven fabric, supatex fabric, adhesive-bonded fabric or non-woven fabrics.Non-
Weaving technology is one and comes from weaving, but surmounts the materials processing technology of weaving.It combines weaving, makes
Paper, leather and the big flexible material process technology of plastics four, and fully combine and used high-new skill of many modern times
Art, such as computer control, information technology, high-pressure spray, plasma, infrared, laser technology etc..Nothing
Opinion is at many necks such as space technology, environment protection treating, agricultural technology, health-care medical or daily life
Territory, non-woven new material has become one staple product the most widely.Along with science and technology development and
The raising of people's living standard, the health perception of people constantly strengthens, non-woven material is carried out antibacterial, press down
The processing of bacterium property or process, can be effectively reduced or avoid antibacterial on healthy impact.Production has anti-
Bacterium, the nonwoven product of biocidal property, generally by spinning liquid add antibacterial antibacterial or after
The method arranged is carried out.But, spinning liquid adds antibacterial the most uneven with polymer mixed,
Easily block spinneret, it is impossible to ensure to produce continuously, the complex process of afterfinish method, relatively costly, and
And the anti-microbial property of the non-woven material being prepared as has much room for improvement.
Summary of the invention
For the deficiencies in the prior art, an object of the present invention is to provide that a kind of nanofiber is antibacterial non-knits
Producing material material, excellent antibacterial performance.
For reaching this purpose, the present invention by the following technical solutions:
A kind of nanofiber antibacterial nonwoven material, including at least two-layer nanofiber antibiotic layer, adjacent two layers
Nanofiber hydrophilic layer, the nanometer of described nanofiber antibiotic layer it is provided with between described nanofiber antibiotic layer
Fiber, in three dimensions cross arrangement, is formed and has nanoparticle, the hole of nanofiber cluster, described hole
Nanometer silver antimicrobial granule and nano zine oxide antibacterial granule are distributed in hole.
Nano zine oxide has an antibiotic property of the most antibacterial, bactericidal action and wide spectrum thereof, and due to quantum effect,
Small-size effect and there is large specific surface area, thus there is the antibacterial effect that traditional inorganic antiseptic is incomparable
Really, the most promising anti-biotic material of new generation is become.Zinc oxide is a kind of broad stopband II, VI race's chemical combination
Thing semi-conducting material, has regular hexagonal wurtzite structure, and this is as white, good stability, high temperature
Lower invariant color, do not decompose, cheap, aboundresources.Nano zine oxide in nanofiber antibiotic layer resists
Bacterium granule can decomposite voluntarily after ultraviolet irradiates and move freely electronegative electronics and positively charged sky
Cave, this process easily occurs.Positively charged hole can aoxidize the water in non-woven material and produce hydroxyl freely
Base, the Viability oxygen atom of hydrogen reduction during electronics makes air simultaneously, hydroxy radical and active oxygen atom all can be with
Organic substance or unsaturated bond in bacterial body react, and decompose the constituent of microorganism, play antibacterial work
With.Meanwhile, nano zine oxide antibacterial granule slowly discharges zinc ion in water-bearing media, with bacterial micro-organism
Protein bound, and destroy enzyme and the-SH radical reaction of antibacterial electron transmission, reach the effect of double sterilization.
Nano zine oxide antibacterial granule also has certain radioprotective, crease-resistant, antistatic property.One-dimension zinc oxide is received
Rice material refers to the ZnO nano material that nano-scale is less than 100nm and space has bidimensional to be nanoscale,
Including nanometer rods, nano wire, nanotube, nano-particle etc..Recently as the development of nanotechnology, one
Dimension semi-conducting material such as nano wire, nanometer rods, nano-rings etc. are special due to physics, chemistry and the biology of its uniqueness
Property and paid close attention to widely.Invention applies anti-microbial property and the particle diameter of one-dimensional zinc oxide nanometer material
Little feature.
Argent inherently has the strongest bacteriostatic activity, is prepared into nano-Ag particles by nanotechnology,
Practical value is higher, and antibacterial effect is fine.Silver ion in nano-Ag particles and bacterial membrane Cell binding,
Destroying membrane structure under superpower Oxidation, in bacterial membrane, material leaks therewith, causes cell membrane product shell
Polysaccharide can not normally synthesize, and makes the DNA of antibacterial exposed, and reacts with silver ion, has blocked the normal of antibacterial
Propagation Methods, thus play the effect of sterilizing.Nano-Ag particles is added on non-woven material, has notable
Antibacterial, anticorrosion, anti-inflammatory effects, be well suited for medically using.At present, nano-Ag particles is added in non-
Method on weaving material is to soak or coating mostly, and after repeatedly washing, nano-Ag particles content more comes
The fewest, affect the antibacterial effect of nano silver fibre.Repeatedly soak or be coated with, adding nano-Ag particles consumption,
Too increase the chance of nano-Ag particles oxidation, make the yellowish appearance of non-woven material.Nano-Ag particles with receive
Adhesion between rice fiber is strong, still can keep the bacteriostasis rate of more than 98%, make nanometer after repeatedly washing
Fibre antibacterial layer has lasting antibiotic property.
Wherein, the nanofiber of described nanofiber antibiotic layer forms contact, institute in three dimensions cross arrangement
State that contact is distributed about described nanometer silver antimicrobial granule and described nano zine oxide antibacterial granule.Through spinning
After Si, cross arrangement between nanofiber, if each cross point forms dry contact, particle diameter is receiving of Nano grade
Rice silver antibacterial granule and nano zine oxide antibacterial granule invest on contact, play lasting antibacterial action, shape
The contact become is the most, and the distribution of nanometer silver antimicrobial granule and nano zine oxide antibacterial granule is the most, antibacterial merit
Can be the best.
Wherein, the average diameter of the nanofiber of described nanofiber antibiotic layer is 0.1～500nm, such as
0.1nm、0.5nm、10nm、20nm、30nm、40nm、50nm、60nm、70nm、80nm、
90nm、100nm、150nm、200nm、250nm、300nm、350nm、400nm、450nm、
500nm；
Preferably, the thickness of described nanofiber antibiotic layer is 10～100 μm, such as 10 μm, 20 μm,
30μm、40μm、50μm、60μm、70μm、80μm、90μm、100μm；Described nanometer
The thickness of fiber hydrophilic layer is 10～50 μm, such as 10 μm, 15 μm, 20 μm, 25 μm, 30 μm,
35μm、40μm、45μm、50μm。
Wherein, the mean diameter of described nanometer silver antimicrobial granule is 20～30nm, such as 21nm, 22nm,
23nm、24nm、25nm、26nm、27nm、28nm、29nm、30nm；
Preferably, the mean diameter of described nano zine oxide antibacterial granule is 10～150nm, such as 10nm,
15nm、20nm、25nm、30nm、35nm、40nm、45nm、50nm、60nm、70nm、
80nm、90nm、100nm、110nm、120nm、130nm、140nm、150nm；Described receive
Rice zinc oxide antibacterial granule is one-D nano zinc oxide antibacterial granule；
It is highly preferred that the mass ratio of described nanometer silver antimicrobial granule and described nano zine oxide antibacterial granule is 1:
(2～10), such as 1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10.
Wherein, described nanofiber antibiotic layer is by with the addition of described nanometer silver antimicrobial granule and described nano oxidized
The spinning liquid of zinc antibacterial granule is prepared from through electrostatic spinning.
Wherein, described polymer is polypropylene.
Wherein, described nanometer silver antimicrobial granule and described nano zine oxide antibacterial granule total amount and described polymer
Mass ratio be 1:(15～30), such as 1:15,1:20,1:25,1:30.
The two of the purpose of the present invention are to provide the preparation method of a kind of nanofiber antibacterial nonwoven material, bag
Include following steps:
1) spinning liquid including nanometer silver antimicrobial granule and nano zine oxide antibacterial granule is used to prepare Nanowire
Dimension anti-biotic material；
2) nanofiber water wetted material is prepared；
3) by step 1) the nanofiber anti-biotic material prepared and step 2) the hydrophilic material of nanofiber prepared
Material intersect lay, hot rolled after be prepared as that there is nanofiber antibiotic layer and the Nanowire of nanofiber hydrophilic layer
Dimension antibacterial nonwoven material.
Wherein, step 1) detailed process be: add nanometer silver antimicrobial granule and nano oxidized in the polymer
Zinc antibacterial granule, makes spinning liquid after melted, applies high pressure positive electricity, to spinning liquid on spinning liquid shower nozzle
Carry out electrostatic spinning, prepare nanofiber anti-biotic material；
Preferably, step 2) detailed process be: make spinning liquid by after polymer melt, spray at spinning liquid
Apply high pressure positive electricity on head, spinning liquid is carried out electrostatic spinning, after spinning, obtains nano-fiber material, by institute
State nano-fiber material hydrophilic treated after prepare nanofiber water wetted material.
Wherein, step 1) and step 2) in, described polymer is polypropylene；
The concrete technology parameter of described electrostatic spinning is: the rate of extrusion of spinning liquid is 0.5～2ml/h, spinning electricity
Pressure is 30～60KV, and receiving range is 15～40cm；
Preferably, step 1) in, described nanometer silver antimicrobial granule and the matter of described nano zine oxide antibacterial granule
Amount ratio is 1:(2～10)；Described nanometer silver antimicrobial granule and described nano zine oxide antibacterial granule total amount and institute
The mass ratio stating polymer is 1:(15～30)；
Step 2) in, described hydrophilic treated is: be prepared as hydrophilic solvent after being diluted by hydrophilizing agent high purity water,
After hydrophilic solvent is coated on described nano-fiber material, drying prepares nanofiber water wetted material.
Compared with prior art, the invention have the benefit that the nanofiber antibacterial nonwoven material of the present invention
Material, including at least two-layer nanofiber antibiotic layer, is provided with between nanofiber antibiotic layer described in adjacent two layers
Nanofiber hydrophilic layer, the nanofiber of described nanofiber antibiotic layer, in three dimensions cross arrangement, is formed
There is nanoparticle, the hole of nanofiber cluster, be distributed in described hole nanometer silver antimicrobial granule and
Nano zine oxide antibacterial granule；Nano-Ag particles in nanofiber antibiotic layer and antibacterial of nano zine oxide
Grain, be distributed in the nanofiber of nanofiber antibiotic layer three dimensions cross arrangement formed to have nanometer micro-
Grain, nanofiber cluster hole in, and antibacterial granule difficult drop-off, the nano-Ag particles of Nano grade
Jointly act on nano zine oxide, make nanofiber antibacterial nonwoven material have lasting antibiotic property, jointly increase
The strong anti-microbial property of nanofiber antibacterial nonwoven material.It addition, the design of nanofiber hydrophilic layer makes
Nanofiber antibacterial nonwoven material has good hydrophilicity, and hydrophilic multiplying power reaches more than 500%.
It addition, the preparation method of the nanofiber antibacterial nonwoven material of the present invention, use the side of electrostatic spinning
Method, the method technique is simple, and the antibacterial granule of Nano grade is evenly distributed in nanofiber, is firmly combined with,
Ensure that continuously production, and improve the anti-microbial property of product, the nanofiber for preparing is antibacterial non-to be knitted
Producing material material can be widely applied to the fields such as article of everyday use, health care, infant and adult health's articles for use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the nanofiber antibacterial nonwoven material of the present invention；
Fig. 2 is the Electronic Speculum figure of the nanofiber antibacterial nonwoven material of the present invention；
Fig. 3 is the structural representation of the nanofiber antibiotic layer of the nanofiber antibacterial nonwoven material of the present invention.
Reference is as follows:
1-nanofiber antibiotic layer；2-nanofiber hydrophilic layer；31-nanometer silver antimicrobial granule；32-is nano oxidized
Zinc antibacterial granule；4-nanofiber.
Detailed description of the invention
Below in conjunction with the accompanying drawings 1, Fig. 2 and Fig. 3 further illustrate technical scheme by embodiment.
As it is shown in figure 1, the nanofiber antibacterial nonwoven material of the present invention, including at least two-layer nanofiber
Antibiotic layer 1, is provided with nanofiber hydrophilic layer 2, nanofiber between adjacent two layers nanofiber antibiotic layer 1
The nanofiber 4 of antibiotic layer 1, in three dimensions cross arrangement, is formed and has nanoparticle, nanofiber group
Bunch hole, nanometer silver antimicrobial granule 31 and nano zine oxide antibacterial granule 32 are distributed in hole；Fig. 1
Only show one embodiment of the present of invention, be not limited to this, between adjacent two layers nanofiber antibiotic layer 1
Being provided with nanofiber hydrophilic layer 2 is a basic composition unit, and nanofiber antibacterial nonwoven material is permissible
Including two, three, four or more basic composition units, specifically can come according to the needs of actual product
The composition number of regulation basic composition unit.As in figure 2 it is shown, nanofiber 4 is in three dimensions cross arrangement,
Formed and there is nanoparticle, the hole of nanofiber cluster；In other words, nanofiber 4 is handed at three dimensions
Fork arrangement forms several contacts, and nanofiber 4 average diameter after spinning is the least, quantity is the most, shape
The contact become is the most.As it is shown on figure 3, contact is distributed about nanometer silver antimicrobial granule 31 and nano oxidized
Zinc antibacterial granule 32, and contact is the most, nanometer silver antimicrobial granule 31 and nano zine oxide antibacterial granule 32
Distribution the most, antibacterial functions is the best.
The property of nanofiber antibacterial nonwoven material prepared by the present invention is described below by specific embodiment
Energy.As no specific instructions, the various raw materials of the present invention are the most commercially available to be buied, or the routine side according to this area
Method prepares.
Embodiment 1
The nanometer silver antimicrobial granule of 0.2g and the nano zine oxide antibacterial granule of 0.5g is added in 20g polypropylene
Make spinning liquid, spinning liquid shower nozzle applies high pressure positive electricity, spinning liquid is carried out electrostatic spinning, spinning liquid
Rate of extrusion be 1～2ml/h, spinning voltage is 60KV, and receiving range is 40cm, prepares nanofiber
Anti-biotic material；After 20g polypropylene fusion, it is prepared as spinning liquid, spinning liquid shower nozzle applies high pressure positive electricity,
Spinning liquid is carried out electrostatic spinning, and the rate of extrusion of spinning liquid is 1～2ml/h, and spinning voltage is 60KV, connects
Receipts distance is 40cm, prepares nano-fiber material, is prepared as hydrophilic solvent after being diluted by hydrophilizing agent high purity water,
After hydrophilic solvent is coated on described nano-fiber material, drying prepares nanofiber water wetted material；Will system
The nanofiber anti-biotic material of standby nanometer silver and nanofiber water wetted material intersect laying, hot rolled after preparation
Become there is the nanofiber antibacterial nonwoven material of nanofiber antibiotic layer and nanofiber hydrophilic layer.Test system
The anti-microbial property of standby nanofiber antibacterial nonwoven material, result shows staphylococcus aureus, large intestine
Bacillus, Candida albicans etc. represent the bacteriostasis rate of bacterium and are more than 99.9%, and within 2 hours, bacteriostasis rate is more than 98%；Test
The hydrophilicity of the nanofiber antibacterial nonwoven material of preparation, time of break-through of dripping is 0.8s, and hydrophilic multiplying power is
More than 500%.
Embodiment 2
The nanometer silver antimicrobial granule of 0.1g and the nano zine oxide antibacterial granule of 0.5g is added in 10g polypropylene
Make spinning liquid, spinning liquid shower nozzle applies high pressure positive electricity, spinning liquid is carried out electrostatic spinning, spinning liquid
Rate of extrusion be 1～2ml/h, spinning voltage is 40KV, and receiving range is 20cm, prepares nanofiber
Anti-biotic material；After 10g polypropylene fusion, make spinning liquid, spinning liquid shower nozzle apply high pressure positive electricity,
Spinning liquid is carried out electrostatic spinning, and the rate of extrusion of spinning liquid is 1～2ml/h, and spinning voltage is 40KV, connects
Receipts distance is 20cm, prepares nano-fiber material, is prepared as hydrophilic solvent after being diluted by hydrophilizing agent high purity water,
After hydrophilic solvent is coated on described nano-fiber material, drying prepares nanofiber water wetted material；Will system
The nanofiber anti-biotic material of standby nanometer silver and nanofiber water wetted material intersect laying, hot rolled after preparation
Become there is the nanofiber antibacterial nonwoven material of nanofiber antibiotic layer and nanofiber hydrophilic layer.Test system
The anti-microbial property of standby nanofiber antibacterial nonwoven material, result shows staphylococcus aureus, large intestine
Bacillus, Candida albicans etc. represent the bacteriostasis rate of bacterium and are more than 99.9%, and within 2 hours, bacteriostasis rate is more than 98%；Test
The hydrophilicity of the nanofiber antibacterial nonwoven material of preparation, time of break-through of dripping is 0.8s, and hydrophilic multiplying power is
More than 500%.
Embodiment 3
The nanometer silver antimicrobial granule of 0.15g and antibacterial of the nano zine oxide of 0.75g is added in 15g polypropylene
Grain makes spinning liquid, applies high pressure positive electricity, spinning liquid is carried out electrostatic spinning, spinning on spinning liquid shower nozzle
The rate of extrusion of liquid is 0.5～1ml/h, and spinning voltage is 35KV, and receiving range is 25cm, prepares nanometer
Fibre antibacterial material；15g polypropylene is made spinning liquid after melted, spinning liquid shower nozzle applies high pressure
Positive electricity, carries out electrostatic spinning to spinning liquid, and the rate of extrusion of spinning liquid is 0.5～1ml/h, and spinning voltage is
35KV, receiving range is 25cm, prepares nano-fiber material, is prepared as after being diluted by hydrophilizing agent high purity water
Hydrophilic solvent, after hydrophilic solvent is coated on described nano-fiber material, it is hydrophilic that drying prepares nanofiber
Material；The nanofiber anti-biotic material of nanometer silver of preparation and nanofiber water wetted material are intersected laying, warp
The nanofiber antibacterial nonwoven material with nanofiber antibiotic layer and nanofiber hydrophilic layer it is prepared as after hot rolling
Material.The anti-microbial property of the nanofiber antibacterial nonwoven material of test preparation, result shows golden yellow Fructus Vitis viniferae
Coccus, escherichia coli, Candida albicans etc. represent the bacteriostasis rate of bacterium and are more than 99.9%, and within 2 hours, bacteriostasis rate is more than
98%；The hydrophilicity of the nanofiber antibacterial nonwoven material of test preparation, time of break-through of dripping is 0.8s,
Hydrophilic multiplying power is more than 500%.
Embodiment 4
The nanometer silver antimicrobial granule of 0.12g and antibacterial of the nano zine oxide of 0.8g is added in 12g polypropylene
Grain makes spinning liquid, applies high pressure positive electricity, spinning liquid is carried out electrostatic spinning, spinning on spinning liquid shower nozzle
The rate of extrusion of liquid is 1～1.5ml/h, and spinning voltage is 30KV, and receiving range is 15cm, prepares nanometer
Fibre antibacterial material；After 12g polypropylene fusion, make spinning liquid, spinning liquid shower nozzle applies high positive pressure
Electricity, carries out electrostatic spinning to spinning liquid, and the rate of extrusion of spinning liquid is 1～1.5ml/h, and spinning voltage is 30KV,
Receiving range is 15cm, prepares nano-fiber material, is prepared as hydrophilic molten after being diluted by hydrophilizing agent high purity water
Agent, after hydrophilic solvent is coated on described nano-fiber material, drying prepares nanofiber water wetted material；
The nanofiber anti-biotic material of nanometer silver of preparation and nanofiber water wetted material are intersected laying, hot rolled after
It is prepared as the nanofiber antibacterial nonwoven material with nanofiber antibiotic layer and nanofiber hydrophilic layer.Survey
Manufacture experimently the anti-microbial property of standby nanofiber antibacterial nonwoven material, result show to staphylococcus aureus,
Escherichia coli, Candida albicans etc. represent the bacteriostasis rate of bacterium and are more than 99.9%, and within 2 hours, bacteriostasis rate is more than 98%；
The hydrophilicity of the nanofiber antibacterial nonwoven material of test preparation, time of break-through of dripping is 0.9s, hydrophilic
Multiplying power is more than 500%.
The nanofiber antibacterial nonwoven material of the present invention, anti-microbial property is good, and durable antibacterial effect is strong, and
And hydrophilicity is excellent, hydrophilic multiplying power reaches more than 500%, and the preparation method technique of the present invention is simple, receives
The other antibacterial granule of meter level is evenly distributed in nanofiber, is firmly combined with, it is ensured that produce continuously, and
Improve the anti-microbial property of product, the nanofiber antibacterial nonwoven material prepared can be widely applied to
The fields such as article of everyday use, health care, infant and adult health's articles for use.
Although numerical range (size, technological parameter) involved in the present invention does not arranges in the above-described embodiments
Enumerate concrete numerical value, as long as but those skilled in the art is the most envisioned falls into this numerical range above-mentioned
In any numerical value all can implement the present invention, the most also include in the range of some numerical value any group of occurrence
Close.Herein, for the consideration of length, eliminate and provide the reality of occurrence in certain one or more numerical range
Executing example, this is not to be construed as the insufficient disclosure of technical scheme.
Applicant states, the present invention illustrates the know-why of the present invention by above-described embodiment.These describe
It is intended merely to explain the principle of the present invention, and the limit to scope can not be construed to by any way
System.Person of ordinary skill in the field is it will be clearly understood that any improvement in the present invention, to product of the present invention
The equivalence of each raw material is replaced and the interpolation of auxiliary element, concrete way choice etc., all falls within the guarantor of the present invention
Within the scope of protecting scope and disclosure.
Claims (10)
1. a nanofiber antibacterial nonwoven material, it is characterised in that include that at least two-layer nanofiber resists
Bacterium layer, is provided with nanofiber hydrophilic layer, described Nanowire between nanofiber antibiotic layer described in adjacent two layers
The nanofiber of dimension antibiotic layer, in three dimensions cross arrangement, is formed and has nanoparticle, nanofiber cluster
Hole, nanometer silver antimicrobial granule and nano zine oxide antibacterial granule are distributed in described hole.
Nanofiber antibacterial nonwoven material the most according to claim 1, it is characterised in that described in receive
The nanofiber of rice fibre antibacterial layer forms contact in three dimensions cross arrangement, and described contact is distributed about to be had
Described nanometer silver antimicrobial granule and described nano zine oxide antibacterial granule.
Nanofiber antibacterial nonwoven material the most according to claim 1, it is characterised in that described in receive
The average diameter of the nanofiber of rice fibre antibacterial layer is 0.1～500nm；
Preferably, the thickness of described nanofiber antibiotic layer is 10～100 μm, described nanofiber hydrophilic layer
Thickness be 10～50 μm.
Nanofiber antibacterial nonwoven material the most according to claim 1, it is characterised in that described in receive
The mean diameter of rice silver antibacterial granule is 20～30nm；
Preferably, the mean diameter of described nano zine oxide antibacterial granule is 10～150nm, described nano oxygen
Changing zinc antibacterial granule is one-D nano zinc oxide antibacterial granule；
It is highly preferred that the mass ratio of described nanometer silver antimicrobial granule and described nano zine oxide antibacterial granule is 1:
(2～10).
Nanofiber antibacterial nonwoven material the most according to claim 1, it is characterised in that described in receive
Rice fibre antibacterial layer is by with the addition of described nanometer silver antimicrobial granule and the spinning of described nano zine oxide antibacterial granule
Liquid is prepared from through electrostatic spinning, and described spinning liquid includes polymer.
Nanofiber antibacterial nonwoven material the most according to claim 5, it is characterised in that described poly-
Compound is polypropylene.
Nanofiber antibacterial nonwoven material the most according to claim 5, it is characterised in that described in receive
The mass ratio of rice silver antibacterial granule and described nano zine oxide antibacterial granule total amount and described polymer is 1:
(15～30).
8. a preparation method for nanofiber antibacterial nonwoven material as claimed in claim 1, its feature
It is, comprises the steps:
1) spinning liquid including nanometer silver antimicrobial granule and nano zine oxide antibacterial granule is used to prepare Nanowire
Dimension anti-biotic material；
2) nanofiber water wetted material is prepared；
3) by step 1) the nanofiber anti-biotic material prepared and step 2) the hydrophilic material of nanofiber prepared
Material intersect lay, hot rolled after be prepared as that there is nanofiber antibiotic layer and the Nanowire of nanofiber hydrophilic layer
Dimension antibacterial nonwoven material.
Preparation method the most according to claim 8, it is characterised in that
Step 1) detailed process be: add nanometer silver antimicrobial granule and nano zine oxide in the polymer and resist
Bacterium granule, makes spinning liquid after melting, and applies high pressure positive electricity, carry out quiet to spinning liquid on spinning liquid shower nozzle
Electrospun, prepares nanofiber anti-biotic material；
Preferably, step 2) detailed process be: make spinning liquid by after polymer melt, at spinning liquid
Apply high pressure positive electricity on shower nozzle, spinning liquid is carried out electrostatic spinning, after spinning, obtains nano-fiber material, will
Nanofiber water wetted material is prepared after described nano-fiber material is hydrophilic treated.
Preparation method the most according to claim 9, it is characterised in that step 1) and step 2) in,
Described polymer is polypropylene；
The concrete technology parameter of described electrostatic spinning is: the rate of extrusion of spinning liquid is 0.5～2ml/h, spinning
Voltage is 30～60KV, and receiving range is 15～40cm；
Preferably, step 1) in, described nanometer silver antimicrobial granule and described nano zine oxide antibacterial granule
Mass ratio is 1:(2～10)；Described nanometer silver antimicrobial granule and described nano zine oxide antibacterial granule total amount with
The mass ratio of described polymer is 1:(15～30)；
Step 2) in, described hydrophilic treated is: be prepared as hydrophilic solvent after being diluted by hydrophilizing agent high purity water,
After hydrophilic solvent is coated on described nano-fiber material, drying prepares nanofiber water wetted material.
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| CN105839291B (en) | 2019-04-12 |
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Denomination of invention: Nano fiber antibacterial nonwoven material and preparation method thereof Effective date of registration: 20211029 Granted publication date: 20190412 Pledgee: Bank of Communications Ltd. Kunshan branch Pledgor: JIANGSU SHENGFANG NANO MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2021320010436 |