CN105882075A - Melt-blown composite nano-antibacterial super-soft non-woven material and preparation method thereof - Google Patents
Melt-blown composite nano-antibacterial super-soft non-woven material and preparation method thereof Download PDFInfo
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- CN105882075A CN105882075A CN201610389945.6A CN201610389945A CN105882075A CN 105882075 A CN105882075 A CN 105882075A CN 201610389945 A CN201610389945 A CN 201610389945A CN 105882075 A CN105882075 A CN 105882075A
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- 239000002131 composite material Substances 0.000 title claims abstract description 35
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- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 63
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 60
- 230000003115 biocidal effect Effects 0.000 claims description 104
- 239000003242 anti bacterial agent Substances 0.000 claims description 59
- 239000000835 fiber Substances 0.000 claims description 56
- 229940088710 antibiotic agent Drugs 0.000 claims description 50
- 238000000034 method Methods 0.000 claims description 33
- 229920000642 polymer Polymers 0.000 claims description 31
- 239000004743 Polypropylene Substances 0.000 claims description 29
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- 230000008569 process Effects 0.000 claims description 17
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- 241000894006 Bacteria Species 0.000 claims description 11
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- 235000007164 Oryza sativa Nutrition 0.000 claims description 11
- 235000009566 rice Nutrition 0.000 claims description 11
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- 238000009987 spinning Methods 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 7
- 238000009941 weaving Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000002648 laminated material Substances 0.000 claims description 2
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 2
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- 206010059866 Drug resistance Diseases 0.000 description 1
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- 241000233866 Fungi Species 0.000 description 1
- 206010067482 No adverse event Diseases 0.000 description 1
- 241000589517 Pseudomonas aeruginosa Species 0.000 description 1
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- 238000011156 evaluation Methods 0.000 description 1
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- 239000002070 nanowire Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
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- 238000013021 overheating Methods 0.000 description 1
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- 238000007254 oxidation reaction Methods 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- 230000009967 tasteless effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
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Classifications
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- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/02—Layered products comprising a layer of synthetic resin in the form of fibres or filaments
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/30—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being formed of particles, e.g. chips, granules, powder
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- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
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- 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
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/102—Oxide or hydroxide
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- 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
- B32B2307/71—Resistive to light or to UV
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- 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
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- 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
Landscapes
- Nonwoven Fabrics (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses a melt-blown composite nano-antibacterial super-soft non-woven material and a preparation method thereof. The melt-blown composite nano-antibacterial super-soft non-woven material comprises a first flexible met-blown layer, a first nano fiber antibacterial layer, a nano fiber hydrophilic layer, a second nano fiber antibacterial layer and a second flexible melt-blown layer, all of which are sequentially arranged from top to bottom. The first nano fiber antibacterial layer and the second nano fiber antibacterial layer are both formed by alternately laminating nanometer titania material layers and nano fiber antibacterial material layers. The melt-blown composite nano-antibacterial super-soft non-woven material achieves good softness, good hand feeling and high comfort through the first flexible met-blown layer and the second flexible met-blown layer. The nano fiber antibacterial material layers and the nanometer titania material layers are alternately laminated to form a continuous antibacterial body, so that the non-woven material has a lasting antibacterial effect. The nanometer titania layers have a good ultraviolet-proof function. Then non-woven material has a good hydrophilic property through the nano fiber hydrophilic layer.
Description
Technical field
The invention belongs to non-woven material field, be specifically related to that a kind of melt-blown composite nano anti-biotic is super soft non-to be knitted
Producing material material and 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.No matter space technology,
Many fields such as environment protection treating, agricultural technology, health-care medical or daily life, non-woven green wood
Material has become one staple product the most widely.Little by little receiving quality and the performance of non-woven material
While, each application proposes more functional requirement the most simultaneously, is day by day paid attention at health environment-friendly
Today, the element such as antibacterial, antibacterial gradually incorporates in the life of people.
In prior art, widely accepted is that the method using Final finishing prepares antibacterial nonwoven material, i.e.
All kinds of anti-biotic materials and water-base resin, filler etc. are made into dressing liquid, to through surface preparation or without place
The non-weaving cloth of reason carries out post processing, and the antibacterial material category that the method for Final finishing is suitable for is many, antibiotic finish
Technique is flexible, cost economy, but the Durability of antimicrobial effect of this processing method products obtained therefrom is poor, the most water-fastness
And friction, and the antibacterial nonwoven material feel prepared is bad.
Summary of the invention
For the deficiencies in the prior art, an object of the present invention is to provide a kind of melt-blown composite nano anti-biotic
Super soft nonwoven, durable antibacterial effect, flexibility is good, and comfortableness is good, and ultraviolet resistance is excellent.
For reaching this purpose, the present invention by the following technical solutions:
A kind of melt-blown composite nano anti-biotic surpasses soft nonwoven, including first from top to bottom set gradually
Flexible meltblown layer, the first nanofiber antibiotic layer, nanofiber hydrophilic layer, the second nanofiber antibiotic layer,
Second flexible meltblown layer, described first nanofiber antibiotic layer, described second nanofiber antibiotic layer are by receiving
Titanic oxide material layer is alternately laminated with nanofiber anti-biotic material layer forms for rice.
Wherein, the described first flexible meltblown layer, the described second flexible meltblown layer are by polymer short fiber, cotton
Fiber, ES fiber process through hot blast adhesion, and described polymer short fiber is that polymer is through melt-spraying spinning
Technique is prepared as.Meltblown is that a kind of superfine fibre becomes net method melt-blowing nonwoven by diameter within 4 μm
Superfine fibre is constituted, and the soft filterability of non-weaving cloth therefore produced is good.Meltblown polymer is non-woven
Cloth connects heat and melts the physical attractiveness bonded between superfine fibre because fiber twines mutually, and fibre web has good complete
Whole property.That ultra-fine polymer filter material has that filter efficiency is high, resistance is low and certain is high temperature resistant, resistance to acids and bases,
The performances such as moisture-proof organic solvent-resistant.The production process of melt blown nonwoven material is: passed through by polymer chips
Screw extruder makes it melt, and being sprayed through spinneret orifice becomes threadiness, and at a high speed (13000m/min)
Under the winding-up of thermal current, being allowed to, by powerful stretching, form superfine chopped fiber, these chopped fiber are adsorbed
Becoming on lace curtaining, after becoming net due to fibre deposition, remaining to keep higher temperature, so that the most viscous between fiber
It is linked into melt blown nonwoven material, finally carries out rolling packing.Melt-blown non-woven material because of its filter,
Hinder the outstanding advantages of the aspect such as bacterium, absorption and come into one's own.The polymer short fiber that meltblown is prepared as, with
And the first flexible meltblown layer being prepared as through the method for hot blast adhesion processing imparts molten with the second flexibility meltblown layer
Spray composite nano anti-biotic surpasses soft nonwoven preferably flexibility, good hand touch.
Wherein, described polymer short fiber, described cotton fiber are (5～20) with the mass ratio of described ES fiber:
(1～10): (1～5).ES fiber, is the abbreviation of English " Ethylene-Propylene Side By Side ",
It it is the one of the noticeable polyolefin series fiber that Chisso Corporation of Japan develops.As a kind of novel
Thermal bonding composite fibre, ES fiber obtains the highest evaluation in the world.ES fiber after Overheating Treatment,
Fiber with fiber the most then, just can form the non-woven fabrics molded body without binding agent.Polymer short fiber,
After cotton fiber and ES fiber are processed by hot blast adhesion, forming the material of fluff type, flexibility is good.
Wherein, the fiber diameter of described polymer short fiber is below 1.5 μm.
Wherein, the one during described polymer is polypropylene, polyethylene, polyacrylonitrile, polyamide.
Wherein, described nanofiber anti-biotic material layer is by with the addition of the polymer of antibacterial through electrostatic spinning work
The nanofiber anti-biotic material that skill is prepared as is prepared as.Antibacterial refers to that some microorganisms are extremely sensitive, on a small quantity
Add the chemical substance that can give material antimicrobial properties in material to, say, that antibacterial finishing agent is
The microorganism such as antibacterial, fungus can be made can not to grow or suppress the material of growth of microorganism.Used by antibiotic finish
To antibacterial require that antibacterial effect is good, has no drug resistance, resistance to unwelcome microorganism selectively active
Washing, resistant to the sterilising and sterilization treatment etc..It addition, most non-woven antimicrobial product contributes to medical treatment, medicine
The aspect such as product and personal hygiene products, therefore it is required that to no skin irritation, avirulence, do not produce pathogenic
Material etc..Single from the point of view of antibacterial bacteriostatic effect, the effect of inorganic antiseptic particularly silver-series antibacterial agent is preferable.
Wherein, the mass ratio of polymer and described antibacterial is (10～50): 1, such as 10:1,20:1,30:1,
40:1、50:1。
Preferably, described antibacterial is silver-series antibacterial agent and/or nano zine oxide, the antibacterial material of described nanofiber
The described polymer used in the bed of material is polypropylene.
Wherein, described nanometer titanium dioxide layer is identical with the number of plies of described nanofiber anti-biotic material layer, is
1～10 layer, be such as 1 layer, 2 layers, 3 layers, 4 layers, 5 layers, 6 layers, 7 layers, 8 layers, 9 layers, 10
Layer；Nano titanium dioxide, also known as titanium dioxide, diameter is below 100 nanometers, nontoxic, tasteless, stingless
Swashing, heat stability is strong with thermostability, does not burns, and product appearance is fluffy white powder, has anti-line, resists
Bacterium, self-cleaning, ageing resistace, can be used for cosmetics, functional fibre, plastics, ink, coating, oil
The fields such as paint, fine ceramics, sterilize under the effect of light middle-ultraviolet lamp for a long time.Nano-TiO2Below Hai Youing
Advantage: one is that prompt effect is good, TiO2Antibacterial effect only need 1h to occur；Two is TiO2It it is semipermanent dimension
Hold the antibacterial of antibacterial effect, unlike other antibacterial effect can be gradually reduced along with dissolution；Three is safety
Property high, TiO2Can be used in food additive, TiO2With contact skin, skin is had no adverse effects.TiO2Grain
Spend the thinnest, dispersibility the best, specific surface area is the biggest, then bactericidal effect is the best.Nano-TiO2To bacillus subtilis
Var. niger spores, bacillus pyocyaneus, escherichia coli, gold-coloured staphylococci, Salmonella, tooth branch bacterium and song
Mould killing rate all reaches more than 98%；Use nano-TiO2Photochemical catalytic oxidation advanced treating tap water, can be significantly
Reduce the bacterial population in water, without mutagenic action after drinking, reach the standard of safe drinking water；In coating
Add nano-TiO2Sterilization, antifouling, deodorization, self-cleaning antibacterial antifouling paint can be produced, be applied to doctor
Antibacterial is intensive between institute ward, operating room and domestic hygiene etc., the place of easy breeding, capable of purifying air, prevent
Infection, deodorization taste removal.
It addition, nano-TiO2Also there is good anti-ultraviolet function.Nano-TiO2Ultraviolet can be absorbed,
Can reflect again, scatters ultraviolet, moreover it is possible to through visible ray, be superior performance, the most rising physics
The ultra-violet protecting agent of shield type.Nano-TiO2Owing to particle diameter is little, activity is big, can reflect, scatter ultraviolet
Line, can absorb again ultraviolet, thus have higher obstructing capacity to ultraviolet, its strong anti-uv-ray
It is that to have high refractivity and high photolytic activity, its anti-uv-ray and mechanism thereof relevant with its particle diameter due to it:
When particle diameter is bigger, the obstruct to ultraviolet is based on reflection, scattering, and purple to medium wave district and long-wavelength region
Outside line is the most effective.Sun-proof mechanism is simple covering, belongs to general physical sunscreen, and sun-proof ability is more weak；With
The reduction of particle diameter, light can through the particle face of nano titanium oxide, to the reflection of long-wavelength region ultraviolet,
Scattering is inconspicuous, and is remarkably reinforced the absorbability of medium wave district ultraviolet, and its sun-proof mechanism is to absorb ultraviolet
Line, main absorption medium wave district ultraviolet.Therefore, to make non-woven material have good for nanometer titanium dioxide layer
Anti-ultraviolet function.Preferably, a diameter of the 10～50nm of described nano titanium oxide.
Nanofiber hydrophilic layer is prepared as by nanofiber water wetted material, the system of nanofiber water wetted material
Standby process is: prepare nano-fiber material through electrostatic spinning process after polypropylene fusion, by hydrophilizing agent with high-purity
It is prepared as hydrophilic solvent after water dilution, after hydrophilic solvent is coated on described nano-fiber material, drying system
Standby one-tenth nanofiber water wetted material.
The two of the purpose of the present invention are the system providing a kind of melt-blown composite nano anti-biotic to surpass soft nonwoven
Preparation Method, preparation technology is simple, and the non-woven material being prepared as is soft, durable antibacterial effect, including following
Step:
1) flexible melt-blown material, nanofiber anti-biotic material, nanofiber water wetted material are prepared respectively；
2) nanometer titanic oxide material is prepared the antibacterial body of nanofiber with nanofiber anti-biotic material is alternately laminated
Material；
3) both sides at nanofiber water wetted material are respectively provided with nanofiber antibacterial body material, are formed and have the
One nanofiber antibiotic layer, nanofiber hydrophilic layer, the non-woven material of the second nanofiber antibiotic layer；
4) in step 3) described in the both sides of non-woven material be respectively provided with flexible melt-blown material, formed by upper
The first flexible meltblown layer of setting gradually under to, the first nanofiber antibiotic layer, nanofiber hydrophilic layer, the
Two nanofiber antibiotic layers, the melt-blown composite nano anti-biotic of the second flexible meltblown layer surpass soft nonwoven.
Wherein, step 1) in flexible melt-blown material by polymer short fiber, cotton fiber, ES fiber through heat
Wind bonding processes, and described polymer short fiber is that polymer is prepared as through melt-spraying spinning technique；Through molten
Pressure spray process and hot blast adhesion processing technique are combined the flexible melt-blown material of preparation makes the non-woven material of the present invention have
There are relatively high-loft, good flexibility and comfort；
Step 1) in nanofiber anti-biotic material be that the polymer that with the addition of antibacterial is through electrostatic spinning process system
The nano-fiber material of standby one-tenth is prepared as.
Compared with prior art, the invention have the benefit that the melt-blown composite nano anti-biotic of one of the present invention
Super soft nonwoven, including first from top to bottom set gradually flexible meltblown layer, the first nanofiber
Antibiotic layer, nanofiber hydrophilic layer, the second nanofiber antibiotic layer, the second flexible meltblown layer, described first
Nanofiber antibiotic layer, described second nanofiber antibiotic layer are by nanometer titanic oxide material layer and Nanowire
Anti-biotic material layer is alternately laminated forms for dimension；First flexible meltblown layer and the second flexible meltblown layer impart melt-blown multiple
Closing nano-antibacterial and surpass soft nonwoven preferably flexibility, good hand touch, comfort level is high；Nanometer titanium dioxide
The antibacterial effect of titanium material layer is fast, and anti-microbial property is lasting, safely and effectively, and the first nanofiber antibiotic layer, the
Nanofiber anti-biotic material layer and the alternately laminated formation of nanometer titanic oxide material layer in two nanofiber antibiotic layers
Sustained anti-microbial body, makes non-woven material have lasting antibacterial effect；Meanwhile, nanometer titanium dioxide layer also has
There is good anti-ultraviolet function；Nanofiber hydrophilic layer makes non-woven material have good hydrophilicity.
Accompanying drawing explanation
Fig. 1 is the structural representation that the melt-blown composite nano anti-biotic of the present invention surpasses soft nonwoven；
It is antibacterial that Fig. 2 is that the melt-blown composite nano anti-biotic of the present invention surpasses the first nanofiber in soft nonwoven
The structural representation of layer；
Reference is as follows:
The flexible meltblown layer of 1-first；2-the first nanofiber antibiotic layer；3-nanofiber hydrophilic layer；4-second receives
Rice fibre antibacterial layer；The flexible meltblown layer of 5-second；6-nanometer titanium dioxide layer；7-nanofiber anti-biotic material layer.
Detailed description of the invention
Technical scheme is further illustrated below in conjunction with Fig. 1, Fig. 2 and by embodiment.
As shown in Figure 1 and Figure 2, a kind of melt-blown composite nano anti-biotic surpasses soft nonwoven, including by up to
Under set gradually first flexible meltblown layer the 1, first nanofiber antibiotic layer 2, nanofiber hydrophilic layer 3,
The flexible meltblown layer 5 of second nanofiber antibiotic layer 4, second, described first nanofiber antibiotic layer 2, described
Second nanofiber antibiotic layer 4 is handed over nanofiber anti-biotic material layer 7 by nanometer titanic oxide material layer 6
For being laminated, the i.e. first nanofiber antibiotic layer 2 is resisted with nanofiber by nanometer titanic oxide material layer 6
Bacterium material layer 7 is alternately laminated to be formed, and the second nanofiber antibiotic layer 4 is also by nanometer titanic oxide material layer 6
Alternately laminated with nanofiber anti-biotic material layer 7 form, and, the structure of the second nanofiber antibiotic layer with
The structure of the first nanofiber antibiotic layer is identical, identical with the structure in Fig. 2, does not repeats them here.First
Flexible meltblown layer and the second flexible meltblown layer impart melt-blown composite nano anti-biotic, and to surpass soft nonwoven preferable
Flexibility, good hand touch, comfort level is high；The antibacterial effect of nanometer titanium dioxide layer is fast, and anti-microbial property is lasting,
Safely and effectively, nanofiber anti-biotic material layer in the first nanofiber antibiotic layer, the second nanofiber antibiotic layer
Formation sustained anti-microbial body alternately laminated with nanometer titanic oxide material layer, makes non-woven material have lasting resisting
Bacterium effect；Meanwhile, nanometer titanium dioxide layer also has good anti-ultraviolet function；Nanofiber hydrophilic layer
Non-woven material is made to have good hydrophilicity.
The melt-blown composite nano anti-biotic of the present invention surpasses the preparation method of soft nonwoven, comprises the following steps:
1) flexible melt-blown material, nanofiber anti-biotic material, nanofiber water wetted material are prepared respectively；
2)) to prepare nanofiber antibacterial by alternately laminated with nanofiber anti-biotic material for nanometer titanic oxide material
Body material；
3) both sides at nanofiber water wetted material are respectively provided with nanofiber antibacterial body material, are formed and have the
One nanofiber antibiotic layer 2, the non-woven material of nanofiber hydrophilic layer the 3, second nanofiber antibiotic layer 4；
4) in step 3) described in the both sides of non-woven material be respectively provided with flexible melt-blown material, formed by upper
First flexible meltblown layer the 1, first nanofiber antibiotic layer 2 of setting gradually under to, nanofiber hydrophilic layer 3,
The super soft non-woven material of melt-blown composite nano anti-biotic of the second flexible meltblown layer 5 of nanofiber antibiotic layer 4, second
Material.
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
1) prepare, through melt-spraying spinning technique, the polypropene staple that average diameter is 1 μm for raw material with polypropylene,
Be the proportioning of 15:8:3 in mass ratio by the polypropene staple of preparation, cotton fiber, ES fiber, viscous through hot blast
Flexible melt-blown material is processed in conjunction；
2) in polypropylene, add silver-series antibacterial agent, be prepared as nanofiber through electrostatic spinning process after melting and resist
Bacterium material, wherein the mass ratio of polypropylene and silver-series antibacterial agent is 20:1, by nanometer titanic oxide material with receive
The rice alternately laminated nanofiber antibacterial body material of preparing of fibre antibacterial material, wherein, nano titanium oxide straight
Footpath is 20nm；
3) nano-fiber material is prepared through electrostatic spinning process after polypropylene fusion, by dilute for hydrophilizing agent high purity water
Being prepared as hydrophilic solvent after releasing, after hydrophilic solvent is coated on described nano-fiber material, drying preparation is received
Rice fiber water wetted material；
4) both sides at nanofiber water wetted material are respectively provided with nanofiber antibacterial body material, are formed and have the
One nanofiber antibiotic layer 2, the non-woven material of nanofiber hydrophilic layer the 3, second nanofiber antibiotic layer 4；
Flexible melt-blown material is set in the outside of as above material, forms first from top to bottom set gradually flexible melt-blown
Layer the 1, first nanofiber antibiotic layer 2, nanofiber hydrophilic layer the 3, second nanofiber antibiotic layer 4, the
The melt-blown composite nano anti-biotic of two flexible meltblown layers 5 surpasses soft nonwoven.
Embodiment 2
1) prepare, through melt-spraying spinning technique, the short fibre of polypropylene that average diameter is 1.5 μm for raw material with polypropylene
Dimension, is the proportioning of 5:5:1 by the polypropene staple of preparation, cotton fiber, ES fiber, through heat in mass ratio
Flexible melt-blown material is processed in wind bonding；
2) in polypropylene, add silver-series antibacterial agent, be prepared as nanofiber through electrostatic spinning process after melting and resist
Bacterium material, wherein the mass ratio of polypropylene and silver-series antibacterial agent is 10:1, by nanometer titanic oxide material with receive
The rice alternately laminated nanofiber antibacterial body material of preparing of fibre antibacterial material, wherein, nano titanium oxide straight
Footpath is 30nm；
3) nano-fiber material is prepared through electrostatic spinning process after polypropylene fusion, by dilute for hydrophilizing agent high purity water
Being prepared as hydrophilic solvent after releasing, after hydrophilic solvent is coated on described nano-fiber material, drying preparation is received
Rice fiber water wetted material；
4) both sides at nanofiber water wetted material are respectively provided with nanofiber antibacterial body material, are formed and have the
One nanofiber antibiotic layer 2, the non-woven material of nanofiber hydrophilic layer the 3, second nanofiber antibiotic layer 4；
Flexible melt-blown material is set in the outside of as above material, forms first from top to bottom set gradually flexible melt-blown
Layer the 1, first nanofiber antibiotic layer 2, nanofiber hydrophilic layer the 3, second nanofiber antibiotic layer 4, the
The melt-blown composite nano anti-biotic of two flexible meltblown layers 5 surpasses soft nonwoven.
Embodiment 3
1) prepare, through melt-spraying spinning technique, the polypropene staple that average diameter is 1 μm for raw material with polypropylene,
Be the proportioning of 18:6:5 in mass ratio by the polypropene staple of preparation, cotton fiber, ES fiber, viscous through hot blast
Flexible melt-blown material is processed in conjunction；
2) in polypropylene, add silver-series antibacterial agent, be prepared as nanofiber through electrostatic spinning process after melting and resist
Bacterium material, wherein the mass ratio of polypropylene and nano zine oxide is 40:1, by nanometer titanic oxide material with receive
The rice alternately laminated nanofiber antibacterial body material of preparing of fibre antibacterial material, wherein, nano titanium oxide straight
Footpath is 50nm；
3) nano-fiber material is prepared through electrostatic spinning process after polypropylene fusion, by dilute for hydrophilizing agent high purity water
Being prepared as hydrophilic solvent after releasing, after hydrophilic solvent is coated on described nano-fiber material, drying preparation is received
Rice fiber water wetted material；
4) both sides at nanofiber water wetted material are respectively provided with nanofiber antibacterial body material, are formed and have the
One nanofiber antibiotic layer 2, the non-woven material of nanofiber hydrophilic layer the 3, second nanofiber antibiotic layer 4；
Flexible melt-blown material is set in the outside of as above material, forms first from top to bottom set gradually flexible melt-blown
Layer the 1, first nanofiber antibiotic layer 2, nanofiber hydrophilic layer the 3, second nanofiber antibiotic layer 4, the
The melt-blown composite nano anti-biotic of two flexible meltblown layers 5 surpasses soft nonwoven.
Embodiment 4
1) prepare, through melt-spraying spinning technique, the short fibre of polypropylene that average diameter is 0.8 μm for raw material with polypropylene
Dimension, is the proportioning of 20:5:2 by the polypropene staple of preparation, cotton fiber, ES fiber, through heat in mass ratio
Flexible melt-blown material is processed in wind bonding；
2) in polypropylene, add silver-series antibacterial agent, be prepared as nanofiber through electrostatic spinning process after melting and resist
Bacterium material, wherein the mass ratio of polypropylene and nano zine oxide is 50:1, by nanometer titanic oxide material with receive
The rice alternately laminated nanofiber antibacterial body material of preparing of fibre antibacterial material, wherein, nano titanium oxide straight
Footpath is 40nm；
3) nano-fiber material is prepared through electrostatic spinning process after polypropylene fusion, by dilute for hydrophilizing agent high purity water
Being prepared as hydrophilic solvent after releasing, after hydrophilic solvent is coated on described nano-fiber material, drying preparation is received
Rice fiber water wetted material；
4) both sides at nanofiber water wetted material are respectively provided with nanofiber antibacterial body material, are formed and have the
One nanofiber antibiotic layer 2, the non-woven material of nanofiber hydrophilic layer the 3, second nanofiber antibiotic layer 4；
Flexible melt-blown material is set in the outside of as above material, forms first from top to bottom set gradually flexible melt-blown
Layer the 1, first nanofiber antibiotic layer 2, nanofiber hydrophilic layer the 3, second nanofiber antibiotic layer 4, the
The melt-blown composite nano anti-biotic of two flexible meltblown layers 5 surpasses soft nonwoven.
The melt-blown composite nano anti-biotic preparing embodiment 1～4 surpasses soft nonwoven and carries out performance test,
Test result is as shown in table 1.
Table 1
Melt-blown composite nano anti-biotic prepared by the present invention surpasses soft nonwoven, and durable antibacterial effect is antibacterial
Rate is more than 99.9%, and 3h bacteriostasis rate is also all higher than 99%, and flexibility is good, and comfortableness is high, ultraviolet resistance
Good, and preparation method is simple.
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 melt-blown composite nano anti-biotic surpasses soft nonwoven, it is characterised in that include from top to bottom
The flexible meltblown layer (1) of first set gradually, the first nanofiber antibiotic layer (2), nanofiber hydrophilic layer
(3), the second nanofiber antibiotic layer (4), the second flexible meltblown layer (5), described first nanofiber resists
Bacterium layer (2), described second nanofiber antibiotic layer (4) by nanometer titanic oxide material layer (6) with receive
Rice fibre antibacterial material layer (7) is alternately laminated to be formed.
Melt-blown composite nano anti-biotic the most according to claim 1 surpasses soft nonwoven, and its feature exists
In, described first flexible meltblown layer (1), the described second flexible meltblown layer (5) by polymer short fiber,
Cotton fiber, ES fiber process through hot blast adhesion, and described polymer short fiber is that polymer spins through melt-blown
Silk technique is prepared as.
Melt-blown composite nano anti-biotic the most according to claim 2 surpasses soft nonwoven, and its feature exists
In, the mass ratio of described polymer short fiber, described cotton fiber and described ES fiber is (5～20): (1～
10): (1～5).
Melt-blown composite nano anti-biotic the most according to claim 2 surpasses soft nonwoven, and its feature exists
In, the fiber diameter of described polymer short fiber is below 1.5 μm.
Melt-blown composite nano anti-biotic the most according to claim 2 surpasses soft nonwoven, and its feature exists
In, described polymer is the one in polypropylene, polyethylene, polyacrylonitrile, polyamide.
Melt-blown composite nano anti-biotic the most according to claim 1 surpasses soft nonwoven, and its feature exists
In, described nanofiber anti-biotic material layer (7) is by with the addition of the polymer of antibacterial through electrostatic spinning process
It is prepared from.
Melt-blown composite nano anti-biotic the most according to claim 6 surpasses soft nonwoven, and its feature exists
In, described polymer is (10～50) with the mass ratio of described antibacterial: 1；
Preferably, described antibacterial is silver-series antibacterial agent and/or nano zine oxide, and described polymer is polypropylene.
Melt-blown composite nano anti-biotic the most according to claim 1 surpasses soft nonwoven, and its feature exists
In, described nanometer titanium dioxide layer (6) is identical with the number of plies of described nanofiber anti-biotic material layer (7),
It is 1～10 layer；
Preferably, a diameter of 10～50nm of the nano titanium oxide in described nanometer titanium dioxide layer (6).
9. a melt-blown composite nano anti-biotic as claimed in claim 1 surpasses the preparation side of soft nonwoven
Method, it is characterised in that comprise the following steps:
1) flexible melt-blown material, nanofiber anti-biotic material, nanofiber water wetted material are prepared respectively；
2) nanometer titanic oxide material is prepared the antibacterial body of nanofiber with nanofiber anti-biotic material is alternately laminated
Material；
3) both sides at nanofiber water wetted material are respectively provided with nanofiber antibacterial body material, are formed and have the
One nanofiber antibiotic layer (2), nanofiber hydrophilic layer (3), the second nanofiber antibiotic layer (4) non-
Weaving material；
4) in step 3) described in the both sides of non-woven material be respectively provided with flexible melt-blown material, formed by upper
The flexible meltblown layer (1) of first set gradually under to, the first nanofiber antibiotic layer (2), nanofiber parent
Water layer (3), the second nanofiber antibiotic layer (4), the melt-blown composite Nano of the second flexible meltblown layer (5) resist
Bacterium surpasses soft nonwoven.
Preparation method the most according to claim 9, it is characterised in that
Step 1) in flexible melt-blown material by polymer short fiber, cotton fiber, ES fiber through hot blast adhesion
Processing, described polymer short fiber is that polymer is prepared as through melt-spraying spinning technique；
Step 1) in nanofiber anti-biotic material be that the polymer that with the addition of antibacterial is through electrostatic spinning process
The nano-fiber material being prepared as is prepared as.
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| PCT/CN2016/105639 WO2017206442A1 (en) | 2016-06-02 | 2016-11-14 | Melt-blown composite nanometer antibacterial super-soft nonwoven material and preparation method |
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| WO2017206442A1 (en) | 2017-12-07 |
| CN105882075B (en) | 2018-05-04 |
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