CN110835801B - Nano metal antibacterial fiber fabric and preparation method thereof - Google Patents
Nano metal antibacterial fiber fabric and preparation method thereof Download PDFInfo
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- CN110835801B CN110835801B CN201911116699.7A CN201911116699A CN110835801B CN 110835801 B CN110835801 B CN 110835801B CN 201911116699 A CN201911116699 A CN 201911116699A CN 110835801 B CN110835801 B CN 110835801B
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D11/00—Double or multi-ply fabrics not otherwise provided for
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/144—Alcohols; Metal alcoholates
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/04—Processes in which the treating agent is applied in the form of a foam
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
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Abstract
The invention relates to the field of fabrics and manufacturing methods thereof, in particular to a nano metal antibacterial fiber fabric and a preparation method thereof, which are characterized in that: the surface layer and the inner layer are connected through a binding weft binding structure; the surface warp yarns and the surface weft yarns of the surface layer are pure spun yarns of photocatalytic antibacterial fibers, and the inner warp yarns and the inner weft yarns of the inner layer are pure spun yarns of ion-dissolving antibacterial fibers; the photocatalytic antibacterial fiber comprises a photocatalytic component and a polar odor locking component, and the ion-dissolving antibacterial fiber comprises an ion-dissolving component and a nonpolar odor locking component.
Description
Technical Field
The invention relates to the field of fabrics and manufacturing methods thereof, in particular to a nano metal antibacterial fiber fabric and a preparation method thereof.
Background
Textiles which are in close contact with the human body are inevitably infected with microorganisms in the using process. The common textile has no antibacterial and bactericidal functions, the textile itself becomes a place for the propagation of microorganisms, which in turn can destroy the balance of the microorganisms on the skin surface of a human body, so that the microorganisms on the skin surface propagate in a large quantity, bacteria on the textile propagate by taking skin surface dander and textile fibers as nutrients, and simultaneously metabolize various low-grade fatty acids, ammonia and other volatile matters with pungent odor, and the secretion of the microorganisms and the secretion of the human body, so that the textile generates malodor, and the sanitation is influenced; therefore, some antibacterial finishing agents appear in the market, and the antibacterial finishing agents are integrated with the fabrics in a mode of finishing or blending spinning, so that the fabrics have an antibacterial effect, but the antibacterial effect of the existing antibacterial fabrics is rapidly reduced along with the increase of the washing times due to the dissolution of the antibacterial agents; in addition, textiles used in outdoor hunting have strict requirements on odor locking, and the existing textiles or antibacterial textiles can only inhibit the growth of microorganisms in the textiles to a certain extent, but cannot prevent the odor produced by microorganisms and human body secretions on the surface of the skin from overflowing.
Disclosure of Invention
The invention aims to solve the technical problem of providing a nano metal antibacterial fiber fabric and a preparation method thereof, so as to solve the problems in the background technology.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a nanometer metal antibacterial fiber fabric is characterized in that: the surface layer and the inner layer are connected through a binding weft binding structure;
the surface warp yarns and the surface weft yarns of the surface layer are pure spun yarns of photocatalytic antibacterial fibers, and the inner warp yarns and the inner weft yarns of the inner layer are pure spun yarns of ion-dissolving antibacterial fibers;
the cross section of the photocatalytic antibacterial fiber is of a petal-shaped composite structure, the photocatalytic antibacterial fiber comprises a photocatalytic component and a polar odor locking component, a core layer of the photocatalytic antibacterial fiber is the polar odor locking component, a skin layer of the photocatalytic antibacterial fiber is formed by the photocatalytic component and the polar odor locking component in a sector alternating distribution, and each polar odor locking component of the skin layer is connected with the polar odor locking component of the core layer;
the cross section of the ion-dissolved antibacterial fiber is of a sea-island structure, the ion-dissolved antibacterial fiber comprises an ion-dissolved component and a nonpolar odor locking component, a core layer of the ion-dissolved antibacterial fiber is the ion-dissolved component, a skin layer of the ion-dissolved antibacterial fiber is the nonpolar odor locking component, and the core layers are distributed in the skin layer.
The photocatalytic component is formed by mixing and melting copper phosphate-silicon dioxide-titanium dioxide composition nano powder and chinlon; the polar odor locking component is formed by mixing and melting aluminum oxide nano powder and chinlon; the ion dissolving component is formed by mixing and melting silver-zeolite composition nano powder and terylene; the nonpolar odor locking component is formed by mixing and melting pumice nano powder and terylene.
Preferably, the surface weave of the surface layer is a twill weave with two upper parts and two lower parts, and the inner weave of the inner layer is a twill weave with three upper parts and one lower part.
Preferably, the photocatalytic component of the skin layer of the photocatalytic antibacterial fiber has a radial length smaller than that of the polar odor locking component of the skin layer, and a groove is formed between two adjacent polar odor locking components and one photocatalytic component.
Preferably, the number of the photocatalytic component and the polar odor locking component of the skin layer of the photocatalytic antibacterial fiber is 5, and the number of the core layer in the ion-eluting antibacterial fiber is 10-15.
Preferably, the antibacterial coating also comprises an antibacterial coating covering the surface layer and the inner layer, and the effective component of the antibacterial coating is curcumol.
The preparation method of the nano metal antibacterial fiber fabric is characterized by comprising the following steps of: the method comprises the following steps:
step one, preparing an antibacterial agent and an odor locking agent: preparing two antibacterial agents, namely copper phosphate-silicon dioxide-titanium dioxide composition nano powder and silver-zeolite composition nano powder, and preparing two odor locking agents, namely alumina nano powder and pumice nano powder;
step two, preparing the antibacterial master batch and the odor locking master batch: mixing an antibacterial agent or a smell locking agent with carrier resin, drying, performing melt blending extrusion through a screw extruder, and granulating to obtain two antibacterial masterbatches, namely a photocatalytic master batch and an ion dissolving master batch, and two smell locking masterbatches, namely a polar smell locking master batch and a nonpolar smell locking master batch;
step three, preparing fibers: the photocatalytic master batch and the polar odor locking master batch are extruded and melted by a screw extruder and enter respective independent channels, and are compounded into filaments after entering a composite spinning assembly, so that the photocatalytic antibacterial fiber is prepared; the ion-dissolved master batches and the nonpolar odor locking master batches are extruded and melted by a screw extruder and enter respective independent channels, and are compounded into filaments after entering a composite spinning assembly, so that the ion-dissolved antibacterial fiber is prepared;
taking the pure spun yarn of the photocatalytic antibacterial fiber as surface warp yarn and surface weft yarn of the surface layer, taking the pure spun yarn of the ion-dissolving antibacterial fiber as inner warp yarn and inner weft yarn of the inner layer, and connecting through a binding weft binding organization to prepare a double-layer fabric consisting of the surface layer and the inner layer;
preferably, the method further comprises the following steps:
step five, antibacterial finishing: preparing a finishing liquid formed by mixing curcumol, an adhesive, a dispersant and a foaming agent according to a proportion, coating the finishing liquid on the surface of the inner layer, and drying for 20min at 100 ℃;
the finishing liquid comprises the following raw material components in parts by mass: 2.5-3 parts of curcumol, 15-18 parts of adhesive, 3-4 parts of dispersant, 3-4 parts of foaming agent and 30-34 parts of water;
preferably, the mass ratio of the copper phosphate-silica-titania composition is 1:5: 1;
the mass ratio of the silver-zeolite composition is 1: 5;
the particle diameter of the antibacterial agent and the odor locking agent is 20-35 nanometers.
Preferably, when preparing the photocatalytic master batch, mixing the copper phosphate-silicon dioxide-titanium dioxide composition nanopowder and the polyamide fiber according to the mass ratio of 1:14, then mixing and melting at 250 ℃ for 20min, extruding by using an extruder to prepare an intermediate master batch, mixing and melting the intermediate master batch and an adhesive consisting of acetic acid-vinyl acetate copolymer according to the mass ratio of 5:1 at 250 ℃ for 10min, and extruding by using the extruder to prepare the photocatalytic master batch;
when the polar odor locking master batch is prepared, mixing the aluminum oxide nano powder and the chinlon according to the mass ratio of 1:30, then mixing and melting for 20min at 250 ℃, and extruding by using an extruder;
when the ion-dissolving master batch is prepared, the ion-dissolving master batch comprises the following components in percentage by mass: mixing 2 parts of silver-zeolite composition nano powder, 100 parts of terephthalic acid, 60 parts of ethylene glycol and 0.04 part of antimony trioxide, heating to 280 ℃ for polycondensation, and extruding by using an extruder;
when the nonpolar odor locking master batch is prepared, the nonpolar odor locking master batch comprises the following components in percentage by mass: mixing 2 parts of pumice nano powder and 55 parts of terylene, heating to 280 ℃ for polycondensation, and extruding by an extruder.
Preferably, the mass ratio of the photocatalytic component to the polar odor locking component in the photocatalytic antibacterial fiber is 1:2, and the mass ratio of the ion-eluting component to the nonpolar odor locking component in the ion-eluting antibacterial fiber is 1: 1.
From the above description, the nano metal antibacterial fiber fabric and the preparation method thereof provided by the invention have the following beneficial effects: 1. the odor is locked, the polar odor locking component in the photocatalytic antibacterial fiber on the surface layer and the nonpolar odor locking component in the ion-dissolved antibacterial fiber on the inner layer adsorb and lock malodorous molecules, so that the human body taste is prevented from overflowing, the human body odor is well covered, the fabric is particularly suitable for outdoor hunting, the hunter is prevented from finding the hunter, meanwhile, the locking of the adsorption of the pores formed by the grooves on microorganisms can enable the antibacterial agent to be more effectively sterilized and bacteriostatic, and the microorganisms are adsorbed until the fabric is cleaned; 2. the photocatalytic component in the photocatalytic antibacterial fiber on the surface layer has certain antibacterial performance under ultraviolet irradiation, and generates catalytic action under the outdoor ultraviolet condition, so that the photocatalytic antibacterial fiber has a spectral antibacterial effect, can adjust the antibacterial strength along with the change of the use environment, and is suitable for outdoor hunting; 3. the ion-dissolved components of the ion-dissolved antibacterial fiber in the inner layer are locked in the limiting part through the sea-island structure, and ions are slowly separated out to play a role in sterilization and antibiosis; 4. the copper phosphate-silicon dioxide-titanium dioxide composition and the silver-zeolite composition are mixed in the fiber in the form of nano powder, and are compounded with the carrier in the form of ion exchange, so that the composite material has strong antibacterial capability; 5. the finishing liquid with the curcumol as the main component enables the fabric to have good antimicrobial and anti-inflammatory effects.
Drawings
Fig. 1 is a tissue diagram of the nano metal antibacterial fiber fabric of the invention.
FIG. 2 is a cross-sectional view in the weft direction of FIG. 1.
Fig. 3 is a cross-sectional view of a photocatalytic antimicrobial fiber.
Fig. 4 is a cross-sectional view of an ion-eluting antimicrobial fiber.
Detailed Description
The invention is further described below by means of specific embodiments.
The nano metal antibacterial fiber fabric comprises a surface layer and an inner layer from top to bottom in sequence, wherein the surface layer and the inner layer are connected through a binding weft binding tissue;
the surface weave of the surface layer is a twill weave with an upper layer and a lower layer, and the inner weave of the inner layer is a twill weave with an upper layer and a lower layer. As shown in a tissue diagram of figure 1, Arabic numerals are used for marking surface warps and surface wefts, Roman numerals are used for marking inner warps and inner wefts, letters are used for representing binding wefts, the double-layer fabric is formed by interweaving two groups of warps and three groups of wefts, the binding wefts are interwoven with the surface warps and the inner warps, a tissue symbol '■' is marked at the interweaving position of the surface warps and the surface wefts, a tissue symbol 'X' is marked at the interweaving position of the inner warps and the inner wefts, the binding symbol is 'delta', the lifting symbol is 'good', and a double-layer tissue machine-drawing of the double-layer fabric is shown in figure 1; referring to FIG. 2, which is a cross-sectional view in the weft direction, the warp yarn arrangement order is one in table and the weft yarn arrangement order is one in table and one in weft binder.
The surface warp yarns and the surface weft yarns of the surface layer are pure spun yarns of photocatalytic antibacterial fibers, and the inner warp yarns and the inner weft yarns of the inner layer are pure spun yarns of ion-dissolving antibacterial fibers;
as shown in fig. 3, the cross section of the photocatalytic antibacterial fiber is a petal-shaped composite structure, the photocatalytic antibacterial fiber includes a photocatalytic component 10a and a polar odor locking component 10b, the core layer of the photocatalytic antibacterial fiber is the polar odor locking component 10b, the skin layer of the photocatalytic antibacterial fiber is formed by the photocatalytic component 10a and the polar odor locking component 10b in a fan-shaped alternate distribution, and each polar odor locking component 10b of the skin layer is connected with the polar odor locking component 10b of the core layer; the radial length of a photocatalytic component 10a of the cortex of the photocatalytic antibacterial fiber is smaller than that of a polar odor locking component 10b of the cortex, a groove 10c is formed between two adjacent polar odor locking components 10b and one photocatalytic component 10a, the groove 10c enables the fabric to have good porosity and air permeability, the capability of capturing odor and microorganisms of the fabric is improved, and the captured microorganisms are decomposed under the action of the photocatalytic component 10 a; in this embodiment, the number of the photocatalytic component 10a and the number of the polar odor locking component 10b in the skin layer of the photocatalytic antibacterial fiber are both 5, and in other embodiments, the number of the photocatalytic component 10a and the number of the polar odor locking component 10b in the skin layer of the photocatalytic antibacterial fiber may be other integer.
As shown in fig. 4, the cross section of the ion-eluting antimicrobial fiber is a sea-island structure, the ion-eluting antimicrobial fiber includes an ion-eluting component 20a and a non-polar odor locking component 20b, the core layer of the ion-eluting antimicrobial fiber is the ion-eluting component 20a, the skin layer of the ion-eluting antimicrobial fiber is the non-polar odor locking component 20b, and a plurality of core layers are distributed in the skin layer; the number of the core layers in the ion-dissolved antibacterial fiber is 10-15.
The photocatalytic component 10a is formed by blending and melting copper phosphate-silicon dioxide-titanium dioxide composition nanopowder and nylon, titanium dioxide is a photocatalytic antibacterial agent, various organic matters including microorganisms are decomposed due to photocatalytic reaction to have antibacterial performance, and copper ions also have antibacterial performance, so that copper ions of the component play an antibacterial role in the absence of illumination, and titanium dioxide and copper ions play an antibacterial role simultaneously in the presence of illumination, so that the antibacterial performance of outdoor hunting is further improved relative to indoor or tree shade antibacterial performance;
the polar odor locking component 10b is formed by mixing and melting aluminum oxide nano powder and chinlon, and the aluminum oxide can perform polar adsorption on malodorous molecules;
the ion dissolving component 20a is formed by mixing and melting silver-zeolite composition nano powder and terylene, silver ions have good sterilization effect and are broad-spectrum antibacterial agents, when metal ions contact with microorganisms, the protein structure of the microorganisms is broken, the oxidation capacity is strong, the reproductive capacity of the microorganisms is damaged, but the silver ions are easy to change color when meeting light and being stored for a long time, and the silver ions are easy to separate out when contacting water to cause short antibacterial effective period;
the nonpolar odor locking component 20b is formed by mixing and melting pumice nano powder and terylene, and the pumice can adsorb malodorous molecules in a nonpolar way.
The nano metal antibacterial fiber fabric also comprises antibacterial coatings covering the surface layer and the inner layer, wherein the effective component of the antibacterial coatings is curcuphenol which is a rhizome extract of turmeric, and the antibacterial coatings have a good antimicrobial function.
The preparation method of the nano metal antibacterial fiber fabric comprises the following steps:
step one, preparing an antibacterial agent and an odor locking agent: preparing two antibacterial agents, namely copper phosphate-silicon dioxide-titanium dioxide composition nano powder and silver-zeolite composition nano powder, and preparing two odor locking agents, namely alumina nano powder and pumice nano powder;
step two, preparing the antibacterial master batch and the odor locking master batch: mixing an antibacterial agent or a smell locking agent with carrier resin, drying, performing melt blending extrusion through a screw extruder, and granulating to obtain two antibacterial masterbatches, namely a photocatalytic master batch and an ion dissolving master batch, and two smell locking masterbatches, namely a polar smell locking master batch and a nonpolar smell locking master batch;
step three, preparing fibers: the photocatalytic master batch and the polar odor locking master batch are extruded and melted by a screw extruder and enter respective independent channels, and are compounded into filaments after entering a composite spinning assembly, so that the photocatalytic antibacterial fiber is prepared; the ion-dissolved master batches and the nonpolar odor locking master batches are extruded and melted by a screw extruder and enter respective independent channels, and are compounded into filaments after entering a composite spinning assembly, so that the ion-dissolved antibacterial fiber is prepared;
step four, taking the pure spun yarn of the photocatalytic antibacterial fiber as surface warp yarn and surface weft yarn of the surface layer, taking the pure spun yarn of the ion-dissolving antibacterial fiber as inner warp yarn and inner weft yarn of the inner layer, wherein the manufacturing method of the yarn refers to the prior art, and the surface layer and the inner layer are connected through binding weft and binding tissue to manufacture a double-layer fabric, and the weaving method of the double-layer fabric refers to the prior art and documents;
step five, antibacterial finishing: preparing finishing liquid formed by mixing curcumol, adhesive, dispersant and foaming agent according to a certain proportion, coating the finishing liquid on the surface of the inner layer, wherein the coating can adopt a direct coating method, and drying for 20min at 100 ℃;
the finishing liquid comprises the following raw material components in parts by mass: 2.5-3 parts of curcumol, 15-18 parts of adhesive, 3-4 parts of dispersing agent, 3-4 parts of foaming agent and 30-34 parts of water, wherein the adhesive, the dispersing agent and the foaming agent are common products in the existing textile field, for example, the adhesive is a self-crosslinking adhesive, the dispersing agent is a polyester type hyper-dispersant, and the foaming agent is an azo compound.
Wherein in the first step, the mass ratio of the copper phosphate-silicon dioxide-titanium dioxide composition is 1:5: 1;
the mass ratio of the silver-zeolite composition is 1: 5;
the particle size of the antibacterial agent and the odor locking agent is 20-35 nanometers.
In the second step, when preparing the photocatalytic master batch, mixing the copper phosphate-silicon dioxide-titanium dioxide composition nanopowder and the polyamide fiber according to the mass ratio of 1:14, then mixing and melting at 250 ℃ for 20min, extruding by using an extruder to prepare an intermediate master batch, mixing and melting the intermediate master batch and an adhesive consisting of acetic acid-vinyl acetate copolymer at 250 ℃ for 10min according to the mass ratio of 5:1, and extruding by using the extruder to prepare the photocatalytic master batch, wherein the adhesive can increase the adhesiveness of each component;
when preparing the polar odor locking master batch, mixing the aluminum oxide nano powder and the chinlon according to the mass ratio of 1:30, then mixing and melting for 20min at 250 ℃, and extruding by using an extruder;
when the ion-dissolving master batch is prepared, the ion-dissolving master batch comprises the following components in percentage by mass: mixing 2 parts of silver-zeolite composition nano powder, 100 parts of terephthalic acid, 60 parts of ethylene glycol and 0.04 part of antimony trioxide, heating to 280 ℃ for polycondensation, and extruding by using an extruder;
when preparing the nonpolar odor locking master batch, the preparation method comprises the following components by mass: mixing 2 parts of pumice nano powder and 55 parts of terylene, heating to 280 ℃ for polycondensation, and extruding by an extruder.
In the third step, the mass ratio of the photocatalytic component 10a to the polar odor locking component 10b in the photocatalytic antibacterial fiber is 1:2, and the mass ratio of the ion-eluting component 20a to the non-polar odor locking component 20b in the ion-eluting antibacterial fiber is 1: 1.
The nano metal antibacterial fiber fabric and the preparation method thereof provided by the invention have the following beneficial effects: 1. the odor is locked, the polar odor locking component 10b in the photocatalytic antibacterial fiber on the surface layer and the nonpolar odor locking component 20b in the ion-dissolved antibacterial fiber on the inner layer adsorb and lock malodorous molecules, so that the human body odor is prevented from overflowing, the human body odor is well covered, the fabric is particularly suitable for outdoor hunting, the hunters are prevented from finding the whereabouts of the hunters, meanwhile, the locking of the adsorption of the pores formed by the grooves on microorganisms can enable the antibacterial agent to be more effectively sterilized and bacteriostatic, and the microorganisms are adsorbed until the fabric is cleaned; 2. the photocatalytic component 10a in the photocatalytic antibacterial fiber on the surface layer has certain antibacterial performance under ultraviolet irradiation, and under the condition of outdoor ultraviolet rays, the photocatalytic component 10a generates a catalytic action, has a spectral antibacterial effect, can adjust the antibacterial strength along with the change of the use environment, and is suitable for outdoor hunting clothes; 3. the ion-dissolved component 20a of the ion-dissolved antibacterial fiber at the inner layer is locked in the limiting part through the sea-island structure, and ions are slowly separated out to play a role in sterilization and antibiosis; 4. the copper phosphate-silicon dioxide-titanium dioxide composition and the silver-zeolite composition are mixed in the fiber in the form of nano powder, and are compounded with the carrier in the form of ion exchange, so that the composite material has strong antibacterial capability; 5. the finishing liquid with the curcumol as the main component enables the fabric to have good antimicrobial and anti-inflammatory effects, and the foaming agent enables a film formed by the finishing liquid to have good pores and air permeability.
In conclusion, the nano metal antibacterial fiber fabric provided by the invention has good and lasting antibacterial effect and odor locking function, bacteria can inhibit most of microbial growth through the protection of the surface layer, the inner layer and the coating layer, most of odor is adsorbed to overflow, the nano metal antibacterial fiber fabric is suitable for high-end outdoor hunting and outdoor interaction fields, and the double-layer structure fabric has good heat preservation and air permeability.
The above description is only a few specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by the design concept should fall within the scope of the present invention.
Claims (10)
1. A nanometer metal antibacterial fiber fabric is characterized in that: the surface layer and the inner layer are connected through a binding weft binding structure;
the surface warp yarns and the surface weft yarns of the surface layer are pure spun yarns of photocatalytic antibacterial fibers, and the inner warp yarns and the inner weft yarns of the inner layer are pure spun yarns of ion-dissolving antibacterial fibers;
the cross section of the photocatalytic antibacterial fiber is of a petal-shaped composite structure, the photocatalytic antibacterial fiber comprises a photocatalytic component and a polar odor locking component, a core layer of the photocatalytic antibacterial fiber is the polar odor locking component, a skin layer of the photocatalytic antibacterial fiber is formed by the photocatalytic component and the polar odor locking component in a sector alternating distribution, and each polar odor locking component of the skin layer is connected with the polar odor locking component of the core layer;
the cross section of the ion-dissolved antibacterial fiber is of a sea-island structure, the ion-dissolved antibacterial fiber comprises an ion-dissolved component and a nonpolar odor locking component, a core layer of the ion-dissolved antibacterial fiber is the ion-dissolved component, a skin layer of the ion-dissolved antibacterial fiber is the nonpolar odor locking component, and a plurality of core layers are distributed in the skin layer;
the photocatalytic component is formed by mixing and melting copper phosphate-silicon dioxide-titanium dioxide composition nano powder and chinlon; the polar odor locking component is formed by mixing and melting aluminum oxide nano powder and chinlon; the ion dissolving component is formed by mixing and melting silver-zeolite composition nano powder and terylene; the nonpolar odor locking component is formed by mixing and melting pumice nano powder and terylene.
2. The nano-metal antibacterial fiber fabric according to claim 1, characterized in that: the surface weave of the surface layer is a twill weave with an upper layer and a lower layer, and the inner weave of the inner layer is a twill weave with an upper layer and a lower layer.
3. The nano-metal antibacterial fiber fabric according to claim 1, characterized in that: the radial length of the photocatalytic component of the skin layer of the photocatalytic antibacterial fiber is smaller than that of the polar odor locking component of the skin layer, and a groove is formed between two adjacent polar odor locking components and one photocatalytic component.
4. The nano-metal antibacterial fiber fabric according to claim 1, characterized in that: the number of the photocatalytic components and the number of the polar odor locking components of the skin layer of the photocatalytic antibacterial fiber are both 5, and the number of the core layers in the ion-dissolving antibacterial fiber is 10-15.
5. The nano-metal antibacterial fiber fabric according to claim 1, characterized in that: the antibacterial coating also comprises antibacterial coatings covering the surface layer and the inner layer, and the effective component of the antibacterial coating is curcumol.
6. The method for preparing the nano-metal antibacterial fiber fabric according to any one of claims 1 to 5, characterized in that: the method comprises the following steps:
step one, preparing an antibacterial agent and an odor locking agent: preparing two antibacterial agents, namely copper phosphate-silicon dioxide-titanium dioxide composition nano powder and silver-zeolite composition nano powder, and preparing two odor locking agents, namely alumina nano powder and pumice nano powder;
step two, preparing the antibacterial master batch and the odor locking master batch: mixing an antibacterial agent or a smell locking agent with carrier resin, drying, performing melt blending extrusion through a screw extruder, and granulating to obtain two antibacterial masterbatches, namely a photocatalytic master batch and an ion dissolving master batch, and two smell locking masterbatches, namely a polar smell locking master batch and a nonpolar smell locking master batch;
step three, preparing fibers: the photocatalytic master batch and the polar odor locking master batch are extruded and melted by a screw extruder and enter respective independent channels, and are compounded into filaments after entering a composite spinning assembly, so that the photocatalytic antibacterial fiber is prepared; the ion-dissolved master batches and the nonpolar odor locking master batches are extruded and melted by a screw extruder and enter respective independent channels, and are compounded into filaments after entering a composite spinning assembly, so that the ion-dissolved antibacterial fiber is prepared;
taking the pure spun yarn of the photocatalytic antibacterial fiber as surface warp yarn and surface weft yarn of the surface layer, taking the pure spun yarn of the ion-dissolving antibacterial fiber as inner warp yarn and inner weft yarn of the inner layer, and connecting through a binding weft binding organization to prepare a double-layer fabric consisting of the surface layer and the inner layer;
7. the preparation method of the nano metal antibacterial fiber fabric according to claim 6, further comprising:
step five, antibacterial finishing: preparing a finishing liquid formed by mixing curcumol, an adhesive, a dispersant and a foaming agent according to a proportion, coating the finishing liquid on the surface of the inner layer, and drying for 20min at 100 ℃;
the finishing liquid comprises the following raw material components in parts by mass: 2.5-3 parts of curcumol, 15-18 parts of adhesive, 3-4 parts of dispersant, 3-4 parts of foaming agent and 30-34 parts of water;
8. the preparation method of the nano metal antibacterial fiber fabric according to claim 7, characterized in that: the mass ratio of the copper phosphate-silicon dioxide-titanium dioxide composition is 1:5: 1;
the mass ratio of the silver-zeolite composition is 1: 5;
the particle diameter of the antibacterial agent and the odor locking agent is 20-35 nanometers.
9. The preparation method of the nano metal antibacterial fiber fabric according to claim 7, characterized in that: when preparing the photocatalytic master batch, mixing copper phosphate-silicon dioxide-titanium dioxide composition nanopowder and chinlon according to a mass ratio of 1:14, then mixing and melting at 250 ℃ for 20min, extruding by using an extruder to prepare an intermediate master batch, mixing and melting the intermediate master batch and an adhesive consisting of acetic acid-vinyl acetate copolymer at 250 ℃ for 10min according to a mass ratio of 5:1, and extruding by using an extruder to prepare the photocatalytic master batch;
when the polar odor locking master batch is prepared, mixing the aluminum oxide nano powder and the chinlon according to the mass ratio of 1:30, then mixing and melting for 20min at 250 ℃, and extruding by using an extruder;
when the ion-dissolving master batch is prepared, the ion-dissolving master batch comprises the following components in percentage by mass: mixing 2 parts of silver-zeolite composition nano powder, 100 parts of terephthalic acid, 60 parts of ethylene glycol and 0.04 part of antimony trioxide, heating to 280 ℃ for polycondensation, and extruding by using an extruder;
when the nonpolar odor locking master batch is prepared, the nonpolar odor locking master batch comprises the following components in percentage by mass: mixing 2 parts of pumice nano powder and 55 parts of terylene, heating to 280 ℃ for polycondensation, and extruding by an extruder.
10. The preparation method of the nano metal antibacterial fiber fabric according to claim 7, characterized in that: the mass ratio of the photocatalytic component to the polar odor locking component in the photocatalytic antibacterial fiber is 1:2, and the mass ratio of the ion-dissolved component to the nonpolar odor locking component in the ion-dissolved antibacterial fiber is 1: 1.
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