CN109330099A - A kind of antibacterial insoles of polyvinyl alcohol nanofiber membrane and preparation method thereof containing nano-Ag particles - Google Patents

A kind of antibacterial insoles of polyvinyl alcohol nanofiber membrane and preparation method thereof containing nano-Ag particles Download PDF

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Publication number
CN109330099A
CN109330099A CN201811010369.5A CN201811010369A CN109330099A CN 109330099 A CN109330099 A CN 109330099A CN 201811010369 A CN201811010369 A CN 201811010369A CN 109330099 A CN109330099 A CN 109330099A
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China
Prior art keywords
polyvinyl alcohol
particles
nano
nanofiber membrane
containing nano
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CN201811010369.5A
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Chinese (zh)
Inventor
杜磊
陈若楠
邹奉元
李涛
吴双
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Priority to CN201811010369.5A priority Critical patent/CN109330099A/en
Publication of CN109330099A publication Critical patent/CN109330099A/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/003—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined characterised by the material
    • A43B17/006—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined characterised by the material multilayered
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/16—Layered products comprising a layer of metal next to a particulate 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
    • B32B27/14—Layered products comprising a layer of synthetic resin next to a particulate 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
    • 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
    • B32B5/02—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 structural features of 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
    • 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
    • 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/048—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of particles
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/02—Preparation of spinning solutions
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/0007—Electro-spinning
    • D01D5/0015—Electro-spinning characterised by the initial state of the material
    • D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/0007—Electro-spinning
    • D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
    • D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
    • 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
    • D04H1/4282—Addition polymers
    • D04H1/4309—Polyvinyl alcohol
    • 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
    • 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
    • B32B2262/0223—Vinyl resin fibres
    • 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
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • 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
    • B32B2264/105—Metal
    • 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
    • B32B2437/00—Clothing
    • B32B2437/02—Gloves, shoes

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Dispersion Chemistry (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Artificial Filaments (AREA)

Abstract

The invention discloses a kind of antibacterial insoles of polyvinyl alcohol nanofiber membrane and preparation method thereof containing nano-Ag particles, the antibacterial insoles are coated functional nanofiber membrane wherein by doublefaced adhesive interlining.The nano silver is formed by green reducing agent tea polyphenols in-situ reducing.Contain in the polyvinyl alcohol nano and is uniformly distributed nano silver particles；And by glutaraldehyde vapor crosslinking, good water stability is obtained.The insole that this method obtains has good antibacterial ability, while also providing helpful reference for dexterously functional nanofiber membrane is embedded in textile.

Description

A kind of antibacterial insoles and its system of the polyvinyl alcohol nanofiber membrane containing nano-Ag particles Preparation Method
Technical field
The invention belongs to functional fabric fields, and in particular to a kind of polyvinyl alcohol nano containing nano-Ag particles Antibacterial insoles of film and preparation method thereof.
Background technique
Insole can provide suitable temperature and humidity, but also the sweat and oil of foot secretion not only for the growth of microorganism Rouge etc. also provides nutrition for microorganism growth.Presence of the microorganism in insole, can cause the foot problems such as foot odour and the ringworm of the foot. Therefore, it is necessary to insole is added in antibacterial functions, to inhibit the growth of microorganism.Silver is a kind of broad spectrum antimicrobial agent, because its is excellent Antibiotic property be widely used in medicine and other field.In recent years studies have shown that nano silver particles due to its specific surface Product is larger, has stronger antibiotic property.Preparation nanometer can be restored using physical method, chemical method, biochemical method Silver particles, but environmentally friendly biochemical process is a kind of better choice.Wherein reducing plant extract nano silver particles obtain The extensive concern of researcher is arrived.Using tea extract tea polyphenols reduced nano silver particles can yet be regarded as it is a kind of green reduction Prepare the new approaches of nano silver particles.But reduction prepares resulting nano silver particles due to its biggish specific surface area, it is easy to Occur to reunite and aoxidize, the activity of its antibacterial is caused to reduce.
Therefore consider to solve the above problems in the way of fiber-loaded cladding.Electrostatic spinning prepares nanofiber Important means, this method are simple and easy.And polyvinyl alcohol is a kind of water-soluble polymer with good biocompatibility, extensively Applied to fields of biomedicine such as soft contact lens, wound dressing and organizational projects.Therefore, in view of the Optimality of polyvinyl alcohol It can be with the technical advantage of electrostatic spinning, it is contemplated that the polyvinyl alcohol nano for preparing loading nano silvery particle using method of electrostatic spinning is fine Tie up film.
Summary of the invention
The purpose of the present invention is to provide a kind of antibacterial insoles of polyvinyl alcohol nanofiber membrane containing nano-Ag particles and Preparation method makes full use of the structure feature of insole, prepares the poly- second of loading nano silvery particle by method of electrostatic spinning first Nano fibrous membrane, is placed in insole by enol nano fibrous membrane in the way of appropriate, can assign insole good antibiotic property.
In order to solve the above-mentioned technical problem, it adopts the following technical scheme that
A kind of antibacterial insoles of the polyvinyl alcohol nanofiber membrane containing nano-Ag particles, it is characterised in that: the antibacterial Insole includes the polyvinyl alcohol nanofiber membrane containing nano-Ag particles, and the polyvinyl alcohol nano containing nano-Ag particles is fine The antibacterial insoles for tieing up film are to be bonded the polyvinyl alcohol nanofiber membrane containing nano-Ag particles with cotton by doublefaced adhesive interlining.
The polyvinyl alcohol nanofiber membrane containing nano-Ag particles is made by method of electrostatic spinning, the nano silver Particle is to be restored by green reducing agent tea polyphenols, and uniform load is among nanofiber.
After it is preferred that, the polyvinyl alcohol nano average diameter is 285nm.
After it is preferred that, the nano silver particles average grain diameter is 1.53nm.
A kind of preparation method of the antibacterial insoles of the polyvinyl alcohol nanofiber membrane containing nano-Ag particles, it is characterised in that packet Include following steps:
(1) reducing nano-silver
It prepares polyvinyl alcohol water solution and silver nitrate in advance, the 1-5wt% silver nitrate of opposite polyvinyl alcohol quality is added It in polyvinyl alcohol water solution, is heated 0.5 hour at 60 DEG C, takes 1-2mL reducing agent solution to be added dropwise poly- containing silver nitrate In vinyl alcohol aqueous solution, magnetic agitation 1-2 hours, polyvinyl alcohol/nano silver aqueous solution was made in in-situ reducing；
(2) polyvinyl alcohol nanofiber membrane containing nano-Ag particles is spinned
Spinning solution is fitted into 10mL needle tubing, prepares the polyvinyl alcohol nano containing nano-Ag particles using electrospinning process Tunica fibrosa；
(3) preparation of the antibacterial insoles of the polyvinyl alcohol nanofiber membrane containing nano-Ag particles
Using the polyvinyl alcohol nanofiber membrane containing nano-Ag particles as middle layer, using doublefaced adhesive interlining by itself and cotton It is bonded by bonder, tack temperature is 100 DEG C -110 DEG C, pressure 2-3kg/cm2, the bonding time is 5-8s.
After it is preferred that, the polyvinyl alcohol water solution is by preparing, preparation process are as follows: be dissolved in polyvinyl alcohol It in pure water, is heated at 80 DEG C, it is water-soluble to obtain the polyvinyl alcohol that concentration is 8wt%-14wt% to being completely dissolved for magnetic agitation Liquid.
After it is preferred that, the reducing agent solution is obtained by preparing, process for preparation are as follows: by opposite silver nitrate quality The tea polyphenols of 40wt%-80wt% are added in pure water, and ultrasonic dissolution obtains reducing agent solution.
Electrospinning parameters after it is preferred that, in the step (2) are as follows: spinning voltage 10-12kV, receiving distance is 12- 15cm, the revolving speed of receiving roll are 150-400rpm, and the propulsion rate of spinning solution is 8-16 μ L/min, and the spinning time is that 6-10 is small When.
After it is preferred that, after spinning obtains the polyvinyl alcohol nanofiber membrane containing nano-Ag particles, by it under glutaraldehyde steam It is crosslinked, glutaraldehyde concentration 25%, crosslinking temperature is 25 DEG C -35 DEG C, and crosslinking time is 40h -50h.
As a result of the above technical solution, the following beneficial effects are obtained:
The present invention is a kind of antibacterial insoles of polyvinyl alcohol nanofiber membrane and preparation method thereof containing nano-Ag particles, is filled Divide the structure feature using insole, prepares the polyvinyl alcohol nano of loading nano silvery particle by method of electrostatic spinning first Nano fibrous membrane is placed in insole by film in the way of appropriate, can assign insole good antibiotic property.Its specific beneficial effect Show as the following:
1, the polyvinyl alcohol nano produced by the present invention containing nano silver, fibre diameter is uniform, can by transmission electron microscope To see, large number of nano silver particles are attached to fibrous inside.And AgNPs is being added in the tensile strength of nano fibrous membrane Increased later, although elongation at break sharply declines, AgNPs/PVA nano fibrous membrane and pure cotton cloth are combined insole Later, too much influence can't be caused to whole performance, demand used in everyday can be met.
2, the antibacterial insoles of the prepared polyvinyl alcohol nanofiber membrane containing nano-Ag particles, antibacterial activity is good, It is greater than 99% for the antibiotic rate bacterium of Gram-negative bacteria Escherichia coli and gram-positive bacteria golden yellow glucose coccus.Together When, there is good breaking strength.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the polyvinyl alcohol nano electron scanning micrograph of loading nano silvery particle；
Fig. 2 is that nano silver particles are carried on polyvinyl alcohol nano transmission electron microscope photo；
Fig. 3 is electron scanning micrograph after the polyvinyl alcohol nano of loading nano silvery particle is crosslinked；
After Fig. 4 is the polyvinyl alcohol nano crosslinking of loading nano silvery particle, and it is aobvious to impregnate 48h scanning electron in water Micro mirror photo；
Fig. 5 is the x-ray photoelectron spectroscopy figure of the polyvinyl alcohol nano of loading nano silvery particle；
Fig. 6 is that the antibacterial insoles of polyvinyl alcohol nanofiber membrane containing nano-Ag particles prepare schematic diagram；
Fig. 7 be the polyvinyl alcohol nanofiber membrane containing nano-Ag particles antibacterial insoles mechanical property (tensile stress with Elongation at break) schematic diagram；
Fig. 8 is the antibacterial effect for the antibacterial insoles that succusion tests the polyvinyl alcohol nanofiber membrane containing nano-Ag particles Figure.
Specific embodiment
As shown in Figures 1 to 8, a kind of antibacterial insoles of the polyvinyl alcohol nanofiber membrane containing nano-Ag particles, it is described Antibacterial insoles include the polyvinyl alcohol nanofiber membrane 3 containing nano-Ag particles, the polyvinyl alcohol containing nano-Ag particles The antibacterial insoles of nano fibrous membrane 3 are by doublefaced adhesive interlining 2 by polyvinyl alcohol nanofiber membrane 3 and cotton containing nano-Ag particles 1 is bonded.
The polyvinyl alcohol nanofiber membrane 3 containing nano-Ag particles is made by method of electrostatic spinning, and polyvinyl alcohol is received Rice average fibre diameter is 285nm；The nano silver particles are restored by green reducing agent tea polyphenols, and uniform load Among nanofiber, nano silver particles average grain diameter is 1.53nm.
A kind of preparation method of the antibacterial insoles of the polyvinyl alcohol nanofiber membrane containing nano-Ag particles, including walk as follows It is rapid:
(1) poly-vinyl alcohol solution is prepared
Polyvinyl alcohol is dissolved in pure water, is heated at 80 DEG C, to being completely dissolved, obtain concentration is magnetic agitation The polyvinyl alcohol water solution of 8wt%-14wt%；
(2) green reducing agent solution is prepared
The tea polyphenols of the 40wt%-80wt% of opposite silver nitrate quality are added in pure water, ultrasonic dissolution obtains reducing agent Solution；
(3) reducing nano-silver
The 1-5wt% silver nitrate of opposite polyvinyl alcohol quality is added in polyvinyl alcohol water solution, heats 0.5 at 60 DEG C Hour, take 1-2mL reducing agent solution to be added dropwise in the polyvinyl alcohol water solution containing silver nitrate, it is magnetic agitation 1-2 hours, former Position restores the aqueous solution that polyvinyl alcohol/nano silver is made；
(4) polyvinyl alcohol nanofiber membrane 3 containing nano-Ag particles is spinned
Spinning solution is fitted into 10mL needle tubing, prepares the polyvinyl alcohol nano containing nano-Ag particles using electrospinning process Tunica fibrosa 3；Electrospinning parameters are as follows: spinning voltage 10-12kV, receiving distance is 12-15cm, and the revolving speed of receiving roll is 150- 400rpm, the propulsion rate of spinning solution are 8-16 μ L/min, and the spinning time is 6-10 hours.
(5) glutaraldehyde cross-linking improves water stability
To improve its water stability, the resulting polyvinyl alcohol nanofiber membrane 3 containing nano-Ag particles will be spinned penta 2 It is crosslinked under aldehyde steam, glutaraldehyde concentration is 25% (v/v), and crosslinking temperature is 25 DEG C -35 DEG C, crosslinking time 40h-50h.
(6) preparation of the antibacterial insoles of the polyvinyl alcohol nanofiber membrane 3 containing nano-Ag particles
The polyvinyl alcohol nanofiber membrane 3 containing nano-Ag particles is regard as middle layer, using doublefaced adhesive interlining 2 by itself and cotton Cloth 1 is bonded by bonder, and tack temperature is 100 DEG C -110 DEG C, pressure 2-3kg/cm2, the bonding time is 5-8s.
The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair Based on bright, to solve essentially identical technical problem, essentially identical technical effect is realized, made ground simple change, etc. With replacement or modification etc., all it is covered by among protection scope of the present invention.

Claims (8)

1. a kind of antibacterial insoles of the polyvinyl alcohol nanofiber membrane containing nano-Ag particles, it is characterised in that: the antibacterial shoe Pad includes the polyvinyl alcohol nanofiber membrane containing nano-Ag particles.
2. a kind of antibacterial insoles of polyvinyl alcohol nanofiber membrane containing nano-Ag particles according to claim 1, special Sign is: the polyvinyl alcohol nano average diameter is 285nm.
3. a kind of antibacterial insoles of polyvinyl alcohol nanofiber membrane containing nano-Ag particles according to claim 1, special Sign is: the nano silver particles average grain diameter is 1.53nm.
4. a kind of preparation side of the antibacterial insoles of the polyvinyl alcohol nanofiber membrane containing nano-Ag particles as described in claim 1 Method, it is characterised in that include the following steps:
(1) reducing nano-silver
It prepares polyvinyl alcohol water solution and silver nitrate in advance, poly- second is added in the 1-5wt% silver nitrate of opposite polyvinyl alcohol quality In enol aqueous solution, is heated 0.5 hour at 60 DEG C, take 1-2mL reducing agent solution that the polyethylene containing silver nitrate is added dropwise In alcohol solution, magnetic agitation 1-2 hours, polyvinyl alcohol/nano silver aqueous solution was made in in-situ reducing；
(2) polyvinyl alcohol nanofiber membrane containing nano-Ag particles is spinned
Spinning solution is fitted into 10mL needle tubing, prepares the polyvinyl alcohol nano containing nano-Ag particles using electrospinning process Film；
(3) preparation of the antibacterial insoles of the polyvinyl alcohol nanofiber membrane containing nano-Ag particles
Using the polyvinyl alcohol nanofiber membrane containing nano-Ag particles as middle layer, it is passed through with cotton using doublefaced adhesive interlining Bonder is bonded, and tack temperature is 100 DEG C -110 DEG C, pressure 2-3kg/cm2, the bonding time is 5-8s.
5. a kind of preparation of the antibacterial insoles of polyvinyl alcohol nanofiber membrane containing nano-Ag particles according to claim 4 Method, it is characterised in that: the polyvinyl alcohol water solution is by preparing, preparation process are as follows: dissolve polyvinyl alcohol It in pure water, is heated at 80 DEG C, it is water-soluble to obtain the polyvinyl alcohol that concentration is 8wt%-14wt% to being completely dissolved for magnetic agitation Liquid.
6. a kind of preparation of the antibacterial insoles of polyvinyl alcohol nanofiber membrane containing nano-Ag particles according to claim 4 Method, it is characterised in that: the reducing agent solution is obtained by preparing, process for preparation are as follows: by opposite silver nitrate quality The tea polyphenols of 40wt%-80wt% are added in pure water, and ultrasonic dissolution obtains reducing agent solution.
7. a kind of preparation of the antibacterial insoles of polyvinyl alcohol nanofiber membrane containing nano-Ag particles according to claim 4 Method, it is characterised in that: the electrospinning parameters in the step (2) are as follows: spinning voltage 10-12kV, receiving distance is 12- 15cm, the revolving speed of receiving roll are 150-400rpm, and the propulsion rate of spinning solution is 8-16 μ L/min, and the spinning time is that 6-10 is small When.
8. a kind of preparation of the antibacterial insoles of polyvinyl alcohol nanofiber membrane containing nano-Ag particles according to claim 4 Method, it is characterised in that: after spinning obtains the polyvinyl alcohol nanofiber membrane containing nano-Ag particles, by it under glutaraldehyde steam It is crosslinked, glutaraldehyde concentration 25%, crosslinking temperature is 25 DEG C -35 DEG C, and crosslinking time is 40h -50h.
CN201811010369.5A 2018-08-31 2018-08-31 A kind of antibacterial insoles of polyvinyl alcohol nanofiber membrane and preparation method thereof containing nano-Ag particles Pending CN109330099A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112021727A (en) * 2020-09-02 2020-12-04 北京泰欣源鞋业有限公司 Nano-silver antibacterial insole
CN114182435A (en) * 2021-12-10 2022-03-15 太原理工大学 Polylactic acid antibacterial composite fiber membrane and preparation method and application thereof

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Publication number Priority date Publication date Assignee Title
CN112021727A (en) * 2020-09-02 2020-12-04 北京泰欣源鞋业有限公司 Nano-silver antibacterial insole
CN112021727B (en) * 2020-09-02 2021-11-05 北京泰欣源鞋业有限公司 Nano-silver antibacterial insole
CN114182435A (en) * 2021-12-10 2022-03-15 太原理工大学 Polylactic acid antibacterial composite fiber membrane and preparation method and application thereof

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Application publication date: 20190215