CN106521804A - Antibacterial melt-blown non-woven product preparation method - Google Patents
Antibacterial melt-blown non-woven product preparation method Download PDFInfo
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- CN106521804A CN106521804A CN201610983098.6A CN201610983098A CN106521804A CN 106521804 A CN106521804 A CN 106521804A CN 201610983098 A CN201610983098 A CN 201610983098A CN 106521804 A CN106521804 A CN 106521804A
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- melt
- blown non
- woven product
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- silver
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Classifications
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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
Abstract
The invention discloses an antibacterial melt-blown non-woven product preparation method, and particularly relates to a long-acting efficient nano-silver antibacterial melt-blown non-woven product preparation method. Benzene, methylbenzene, trichloromethane or carbon tetrachloride solution of amphiphilic hyper-branched polymer is mixed with silver nitrate water solution, and high-concentration solution of the amphiphilic hyper-branched polymer is obtained by standing liquid separation and rotary evaporation. The high-concentration solution is sprayed to raw material particles or slices of melt-blown non-woven products by a spraying method, and the melt-blown non-woven products are continuously stirred and processed to obtain antibacterial non-woven products with fibers containing nano-silver particles. The amphiphilic hyper-branched polymer is used for controlling generation of nano-silver in the fibers of the non-woven products, the generated nano-silver has the advantages of small particle diameter, dispersion uniformity and high binding strength, upgrading and reconstruction of existing melt-blown non-woven product production equipment are omitted, and the products are simple and convenient to process.
Description
Technical field
The present invention relates to a kind of preparation method of antibacterial melt-blown non-woven product, more particularly to a kind of long-acting, efficient nano
The preparation method of silver-colored antibacterial melt-blown non-woven product.
Background technology
Melt-blown non-woven product is had a wide range of applications in daily life due to its preparation process is simple, with low cost,
Such as clothing adjuvant, packaging material, air filtration, water body filtration material, Dispoable medical material etc..Widely should just because of which
With for its high-performance and feature are put forward higher requirement, such as the functional non-woven such as antibacterial, fire-retardant, antistatic is produced
Product.Wherein, antibacterial nonwoven product has most commonly used application prospect, particularly closely related with people's daily life neck
The air filtration nonwoven products such as domain, such as food packaging nonwoven products, mask, air-conditioning, medical nonwoven products etc..
So, the development of antibacterial nonwoven product has broad application prospects and important practical value.
At present, the preparation of antibacterial fabric material is all by adding antibacterial in textile fabric or on textile come real
Show, wherein silver-series antibacterial agent, particularly nanometer silver, as the antibacterial effect of its efficient, wide spectrum is received more and more attention.Profit
Melt-blown non-woven product is modified with nanometer silver, gives its antibacterial functions, mainly by two class methods realizing.One class is
Impregnating Final finishing is carried out to the nonwoven products of molding so as on fiber surface, adhere to nano-Ag particles.Another kind of is to pass through
Add nano silver powder or the section containing highly concentrated nano Argent grain in meltblown polymer raw material, Jing after melting mixing, spray webbing,
Into net, nanometer silver antimicrobial nonwoven products are prepared into.However, all there is obvious shortcoming in both approaches.Finishing method needs
Rearrangement processing is carried out to nonwoven products, by impregnating pressure rolling or spraying, and the operation such as drying carries out Final finishing.Need
In the cost inputs, and the antibacterial nonwoven product for arranging such as extra increase equipment, manpower, nanometer silver distributing homogeneity is poor.Meanwhile,
Final finishing is all the set nanometer silver on the fiber surface after fibre forming, has that nanometer silver is poor with fiber binding strength to ask
Topic.In order to improve the binding strength of nano-Ag particles and fiber, and the degree of scatter on fiber, often using big in arrangement
Amount adhesive and dispersant, and related adhesive, the use of dispersant can affect the performance of nonwoven products itself, it is such as soft
Soft, feel, filtration resistance etc..Although the in-situ synthesized in Final finishing avoids the use about adhesive, nano-particle is also
It is in combination in fiber surface, it is impossible to ensure long-term fastness, under particularly severe use condition, such as frequently wash,
Friction etc..Cut into slices using nanometer silver and spinning material or master batch carries out blend spinning, in nonwoven products forming process directly
Addition nanometer silver, although shorten production technology, it is to avoid the input of the cost such as rear finishing equipment, manpower, passes through nanometer
The method of aluminium powder and polymer chips blend spinning there is also some problems preparing nanometer silver antimicrobial nonwoven products, such as
Nano silver powder is easily reunited, and is difficult dispersion, and the nano silver powder granule being dried is larger during mixed melting.Cause
This, such as how easy processing technique realizes little particle nanometer silver in the fibre dispersed, while without dispersant, glue
Glutinous agent, it is to need at present to solve to prepare the silver-colored antibacterial nonwoven product of long-acting, efficient nano with succinct, efficient green processes craft
Technical problem.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of process is simple, anti-microbial property are stable for a long time,
Preparation method with little particle nanometer silver homodisperse melt-blown non-woven product in the fibre.
The technical scheme is that and a kind of preparation method of nanometer silver antimicrobial melt-blown non-woven product is provided, including following
Step：（1）Amphipathy hyperbranched polymer is dissolved in organic solvent and is prepared into solution；（2）By step（1）In obtain it is molten
Liquid is stirred after being mixed with silver nitrate aqueous solution, is gone out amphipathy hyperbranched polymer solution separating with separatory funnel after stratification
Come；（3）Rotary evaporation in vacuo obtains highly concentrated solution to the amphipathy hyperbranched polymer solution separated at room temperature；（4）
By step（3）In the highly concentrated solution that obtains by certain mass than being sprayed onto feed particles or the section of melt-blown non-woven product
In, the nanometer silver antimicrobial melt-blown non-woven that anti-microbial property high-efficient and lasting is obtained through melt-blown process processing after mix homogeneously is produced
Product.
Amphipathy hyperbranched polymer of the present invention is that the internal hydrophilic dissaving structure containing amino, outside are
The nucleocapsid structure dissaving polymer of lipophile straight chain, described organic solvent are the organic solvent immiscible with water, including benzene,
Toluene, chloroform, carbon tetrachloride.The step（1）In the solution concentration that obtains be 5～50g/L, the step（2）In
Silver nitrate aqueous solution concentration be 0.001～0.1mol/L, the step（3）In the highly concentrated solution concentration that obtains be 100～
500g/L.The raw material of described melt-blown non-woven product includes but is not limited to the one kind or many in PP, PET, PE, PU, PA6, PLA
Plant mixed material granule.
Dissaving polymer is that a class has spherical molecular structure, rich in a large amount of end groups, highly dissoluble, low viscosity, height
The polymer of activity.Due to there is a large amount of adjustable cavity structures and active group inside which, nano material is prepared in control
Aspect shows the advantage of uniqueness.There is 3 D stereo using the synthetically prepared dissaving polymer of the monomer molecule with amino
Structure, a large amount of primary amino radicals of surface distributed are internal to contain imino group and tertiary amino, and with good water solublity.Based on its surface
A large amount of primary amino radicals, can in its terminal graft lipophile long linear molecule, obtain with inner hydrophilic, outside oleophylic with core
The amphipathy hyperbranched polymer of shell structure.Due to having a large amount of lipophile long-chains outside this amphipathy hyperbranched polymer
Parcel, can be good at being dissolved in organic solvent, and due to its compact global molecular structure, can be formed in the solution
Unimolecular micelle.Simultaneously as its it is internal contain imino group and tertiary amino, can be from when mixing with silver nitrate aqueous solution
Extract in aqueous solution, complexation silver ion is to polymeric inner, and disperse in organic solvent.Melt-blown non-knit is sprayed onto after concentrated
Make in products material（Such as polypropylene PP particles）, stirring in sprinkling makes its mix homogeneously, while solvent further volatilizees.Then
Jing after screw rod heating melting, mixing, spray webbing is into net.So amphipathy hyperbranched polymer can be in the fibre of melt-blown non-woven product
It is dispersed in dimension, while during melting mixing, due to heat effect, complexation is inside amphipathy hyperbranched polymer
Silver ion on imino group and tertiary amino can be reduced into silver-colored simple substance by its own, and be internally formed in amphipathy hyperbranched polymer
Nano-Ag particles.And due to the package action of long-chain outside amphipathy hyperbranched polymer, and dividing in spinning material
Dissipate so that the nano-Ag particles of generation are less, and particle diameter distribution is narrower.
Compared with prior art, the present invention has the advantage that：
（1）Received after adding nano silver powder or nonwoven products molding with traditional melt-blown non-woven production front end
The silver-colored Final finishing of rice is different, and the present invention is while melt-blown non-woven product is prepared to generate nanometer silver in meltblown fibers situ.
The method not only can be prevented effectively from nano-Ag particles reunion, it is ensured that nanometer silver is evenly distributed in nonwoven products, Er Qieneng
The binding strength of nanometer silver and fiber is effectively improved enough, so as to improve the Durability of antimicrobial effect of melt-blown non-woven product.
（2）By amphipathy hyperbranched polymer, in-situ control generates nanometer silver in the fibre, the nanometer silver tool for being generated
There are less particle diameter and narrower particle diameter distribution.Nanometer silver can be tied with fiber well by amphipathy hyperbranched polymer
Close so as to excellent washability and long-acting antibacterial effect.
（3）The preparation of nanometer silver antimicrobial melt-blown non-woven product of the present invention need not be added extra equipment or equipment is carried out
Upgrading, can be processed using existing production equipment, simple and convenient, can greatly save production cost.
Specific embodiment
With reference to embodiment, the invention will be further described.
Amphipathy hyperbranched polymer of the present invention is that the internal hydrophilic dissaving structure containing amino, outside are
The nucleocapsid structure dissaving polymer of lipophile straight chain.First, amphipathy hyperbranched polymer is dissolved in organic solvent and is made
For into solution, solution concentration is 5～50g/L, and organic solvent is the organic solvent immiscible with water, including benzene, toluene, three chloromethanes
Alkane, carbon tetrachloride；Then by the solution for obtaining by volume 1:2～2:1 mix with silver nitrate aqueous solution after stir, stratification
Afterwards with separatory funnel by amphipathy hyperbranched polymer solution separating out, silver nitrate aqueous solution be 0.001～0.1mol/L；Point
Rotary evaporation in vacuo obtains highly concentrated solution at room temperature to separate out next amphipathy hyperbranched polymer solution, and highly concentrated solution is dense
Spend for 100～500g/L；Finally above-mentioned highly concentrated solution is sprayed onto in feed particles or the section of melt-blown non-woven product, is mixed
The nanometer silver antimicrobial melt-blown non-woven product of anti-microbial property high-efficient and lasting is obtained after closing uniformly through melt-blown process processing.Institute
One or more mixing that the raw material of the melt-blown non-woven product stated is included but is not limited in PP, PET, PE, PU, PA6, PLA is former
Material granule.
Embodiment 1：
10g amphipathy hyperbranched polymers are dissolved in 500ml chloroform, then by 500ml concentration for 0.01mol/L nitre
Sour silver aqueous solution is added in above-mentioned chloroform soln, is sufficiently stirred for 15 minutes.With separatory funnel by trichlorine after stratification
Dichloromethane is separated, then with Rotary Evaporators, rotary evaporation in vacuo removes part chloroform at room temperature, obtains 50ml
The high concentration amphipathy hyperbranched polymer solution of 200g/L.Highly concentrated solution is sprayed onto in 250kg PP GRANULESs, not
It is disconnected to stir.It is 5～16nm nanometer silvers to obtain Jing after the production and processing of polypropylene melt-blown nonwoven products in fiber containing particle diameter
Polypropylene melt-blown nonwoven products.
Claims (6)
1. a kind of preparation method of antibacterial melt-blown non-woven product, it is characterised in that：Comprise the following steps：（1）Will be amphipathic super
Branched polymer is prepared into solution in being dissolved in organic solvent；（2）By step（1）In the solution that obtains mix with silver nitrate aqueous solution
After conjunction stir, after stratification with separatory funnel by amphipathy hyperbranched polymer solution separating out；（3）Two for separating
Rotary evaporation in vacuo obtains highly concentrated solution to parent's property dissaving polymer solution at room temperature；（4）By step（3）In the height that obtains
Strength solution is by certain mass than being sprayed onto in feed particles or the section of melt-blown non-woven product, through melt-blown after mix homogeneously
Technique processing is obtained the nanometer silver antimicrobial melt-blown non-woven product of anti-microbial property high-efficient and lasting.
2. the preparation method of antibacterial melt-blown non-woven product according to claim 1, it is characterised in that：Described is amphipathic
The nucleocapsid structure that dissaving polymer is the internal hydrophilic dissaving structure containing amino, outside is lipophile straight chain is hyperbranched
Polymer.
3. the preparation method of antibacterial melt-blown non-woven product according to claim 1, it is characterised in that：The organic solvent
It is the organic solvent immiscible with water, including benzene, toluene, chloroform, carbon tetrachloride.
4. the preparation method of antibacterial melt-blown non-woven product according to claim 1, it is characterised in that：The step（1）
In the solution concentration that obtains be 5～50g/L.
5. the preparation method of antibacterial melt-blown non-woven product according to claim 1, it is characterised in that：The step（2）
In silver nitrate aqueous solution concentration be 0.001～0.1mol/L.
6. the preparation method of antibacterial melt-blown non-woven product according to claim 1, it is characterised in that：The step（3）
In the highly concentrated solution concentration that obtains be 100～500g/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610983098.6A CN106521804A (en) | 2016-11-09 | 2016-11-09 | Antibacterial melt-blown non-woven product preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610983098.6A CN106521804A (en) | 2016-11-09 | 2016-11-09 | Antibacterial melt-blown non-woven product preparation method |
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| CN106521804A true CN106521804A (en) | 2017-03-22 |
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| CN201610983098.6A Pending CN106521804A (en) | 2016-11-09 | 2016-11-09 | Antibacterial melt-blown non-woven product preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962324A (en) * | 2021-02-01 | 2021-06-15 | 苏州大学 | Preparation method of graphene oxide/nano-silver composite coating non-woven material |
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| JPH06212546A (en) * | 1993-01-20 | 1994-08-02 | Minnesota Mining & Mfg Co <3M> | Laminated soundproof sheet material of flame-retardant melt blown non-woven fabric |
| CN102337602A (en) * | 2010-07-16 | 2012-02-01 | 周刚 | Antibiotic fiber and preparation method of fiber product |
| CN102444027A (en) * | 2011-08-24 | 2012-05-09 | 翔瑞（泉州）纳米科技有限公司 | Antimicrobial fabric supported with nano silver core-shell polymer microsphere and preparation method thereof |
| CN102717064A (en) * | 2012-07-06 | 2012-10-10 | 厦门大学 | Hyperbranched nano-silver taking amphiphilic polymer as stabilizing agent and preparation method thereof |
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| JPH06212546A (en) * | 1993-01-20 | 1994-08-02 | Minnesota Mining & Mfg Co <3M> | Laminated soundproof sheet material of flame-retardant melt blown non-woven fabric |
| CN102337602A (en) * | 2010-07-16 | 2012-02-01 | 周刚 | Antibiotic fiber and preparation method of fiber product |
| CN102444027A (en) * | 2011-08-24 | 2012-05-09 | 翔瑞（泉州）纳米科技有限公司 | Antimicrobial fabric supported with nano silver core-shell polymer microsphere and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962324A (en) * | 2021-02-01 | 2021-06-15 | 苏州大学 | Preparation method of graphene oxide/nano-silver composite coating non-woven material |
| CN112962324B (en) * | 2021-02-01 | 2022-04-08 | 苏州大学 | Preparation method of graphene oxide/nano-silver composite coating non-woven material |
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Application publication date: 20170322 |
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