CN112043024A - One-way moisture-conducting antibacterial mask - Google Patents

One-way moisture-conducting antibacterial mask Download PDF

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Publication number
CN112043024A
CN112043024A CN202010951753.6A CN202010951753A CN112043024A CN 112043024 A CN112043024 A CN 112043024A CN 202010951753 A CN202010951753 A CN 202010951753A CN 112043024 A CN112043024 A CN 112043024A
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fiber
layer
polyester
speed
viscose
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CN112043024B (en
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王菁
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Wuxi Taibo Clothing Co ltd
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Wuxi Taibo Clothing Co ltd
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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A41D13/1192—Protective face masks, e.g. for surgical use, or for use in foul atmospheres with antimicrobial agent
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/02—Layered materials
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/12—Hygroscopic; Water retaining
    • A41D31/125—Moisture handling or wicking function through layered materials
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/30—Antimicrobial, e.g. antibacterial
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/449—Yarns or threads with antibacterial properties
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • 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
    • 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
    • D04H1/425—Cellulose series
    • 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
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • 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
    • D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01—Natural vegetable fibres
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01—Natural vegetable fibres
    • D10B2201/02—Cotton

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nonwoven Fabrics (AREA)
  • Woven Fabrics (AREA)

Abstract

The invention relates to a mask, in particular to a one-way moisture-conducting antibacterial mask. The mask comprises a mask body and a lug part for fixing the mask body, wherein the mask body sequentially comprises a cotton blended antibacterial layer, a washable nano material layer and a polyester/viscose needled composite fiber net layer from outside to inside, and a polyester surface of the polyester/viscose needled composite fiber net layer is close to an oral cavity. The mask body adopts a 3-layer design, the inner layer adopts a polyester/viscose needle-punched composite fiber net, the polyester surface of the composite fiber net is close to the oral cavity, when water vapor and facial sweat generated by breathing firstly contact the polyester fiber layer, and after the water is diffused to the polyester-viscose interface surface in the polyester fiber layer, the viscose fiber layer starts to absorb moisture and rapidly diffuses the water, so that a wearer can keep comfortable experience; the outer layer adopts the design of chitin, alginate fiber and mulberry fiber blended weft yarn, and the fiber has obvious inhibition effect on the pneumonia bacillus; the intermediate layer is designed by adopting a washable nano film material, and the mask can be used for multiple times.

Description

One-way moisture-conducting antibacterial mask
Technical Field
The invention relates to a mask, in particular to a one-way moisture-conducting antibacterial mask.
Background
The mask becomes a necessary product in current daily life, the wearing of the mask is very easy to generate muggy phenomenon along with the gradual hot weather, and simultaneously, the mask is very easy to be soaked by water vapor and facial sweat generated by breathing, so that the electrostatic action of melt-blown cloth in a common mask disappears, and the filtering effect of novel coronavirus is influenced; in addition, because the cold pneumonia symptoms are close to the new coronary pneumonia symptoms, the reduction of pneumonia transmission also becomes a problem which needs to be solved at present; meanwhile, because the mask is frequently used, the mask capable of being used for many times becomes a key field for current mask development due to high cost performance and environmental protection requirements.
Disclosure of Invention
The invention aims to solve the technical problem of providing a single-guide moisture-guiding antibacterial mask aiming at the defects of the prior art. The mask body adopts a three-layer structure design, the inner layer adopts a polyester/viscose needle-punched composite fiber net, wherein the polyester surface of the composite fiber net is close to the oral cavity, when water vapor and facial sweat generated by breathing contact the polyester fiber layer firstly, and water is diffused to a polyester-viscose interface surface in the polyester fiber layer, the viscose fiber layer starts to absorb moisture and rapidly diffuses water, so that a wearer can keep comfortable experience; the outer layer adopts the design of chitin, alginate fiber and mulberry fiber blended weft yarn, and the fiber has obvious inhibition effect on the pneumonia bacillus; the intermediate layer is designed by adopting a washable nano film material, and the mask can be used for multiple times. The mask disclosed by the invention has both moisture-conducting and antibacterial properties, has a certain inhibition effect on the pneumonia bacilli, and can be used for multiple times.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an one-way antibiotic gauze mask of leading wet, includes gauze mask body and the hangers portion that is used for fixed gauze mask body, the gauze mask body includes the antibiotic layer of cotton blending, washable nanometer material layer and washes/glues the acupuncture complex fiber stratum reticulare from outside to inside in proper order, wash/glue the acupuncture complex fiber stratum reticulare and form by the compounding of individual layer viscose fiber net and individual layer polyester fiber net, wherein the oral cavity is pressed close to the polyester fiber stratum reticulare.
The warp yarns of the cotton blended antibacterial layer are made of chitin fiber-alginate fiber-mulberry fiber blended antibacterial yarns with the fineness of 14.5-16.5 tex, and the weft yarns are made of all-cotton yarns with the fineness of 16.2-18.2 tex.
The preparation of the cotton blended antibacterial layer comprises the following steps:
i, warp yarn
(1) Preparation of blended antibacterial yarn
a. Performing cotton bale mixing according to the wet-weight blending ratio of the chitin fiber of 33-38 percent, the wet-weight blending ratio of the alginate fiber of 24-29 percent and the wet-weight blending ratio of the mulberry fiber of 28-33 percent;
b. carding according to the technological parameters of the sliver dry ration of 19.5-21.5 g/5m, the cylinder speed of 310-330 r/min, the doffer speed of 28.6-30.4 r/min, the licker-in speed of 600-800 r/min, the cylinder-cover plate spacing of 0.10-0.20 mm, 0.08-0.15 mm, 0.10-0.20 mm, the licker-in-cylinder spacing of 0.09-0.16 mm and the cylinder-doffer spacing of 0.06-0.13 mm;
c. performing head-on-head combination according to the yarn-drying speed of 18.5-19.8 g/5m, the front roller speed of 248.6-252.8 r/min, the combination number of 4-6 yarns, the drafting of 4.868-5.805 times, the drafting of 0.95-1.03 times of rear zone, and the roller pressure of 200-240 Nx 300-340 Nx 340-370N;
d. pressing and combining the yarns according to the yarn-drying speed of 19.58-20.91 g/5m, the front roller speed of 248.6-252.8 r/min, the combined number of 4-6 yarns, the drafting of 4.895-5.904 times, the drafting of 0.98-1.06 times of the back zone, and the roller pressure of 200-240 Nx 300-340 Nx 330-370N;
e. performing triple operation according to the yarn drying speed of 19.28-20.11 g/5m, the front roller speed of 245.6-252.8 r/min, the combined number of 6-8 yarns, the drafting of 4.865-5.904 times, the drafting of 0.94-1.06 times of rear zone, and the roller pressurization of 200-240 Nx 300-340 Nx 330-370N;
(2) winding the warp, wherein the winding density of the bobbin is 0.30-0.35 g/cm 3;
(3) warping warp: the tension coefficient is 2-3, and the warping speed is 500-600 m/min;
(4) warp sizing: the temperature of a size box is 93-95 ℃, the relative viscosity of the size box is 6-7 s, the sizing speed is 38-40 m/min, the pH value of the size box is 6-7, and the sizing rate is 13-15%;
(5) reeding: a drafting mode that warp yarns are inserted in two parts per reed and the heald frames penetrate in sequence according to 1, 2, 1 and 2;
II, weft yarn
(1) The weft yarn is all-cotton yarn with the fineness of 18.0-18.2 tex;
(2) weft yarn twist setting: the yarn steaming process temperature is 83-85 ℃, the relative humidity is 98% -100%, the temperature rising time is 1-1.5h, and the setting time and the temperature rising time are 5 h;
III, weaving
(1) Weaving the warp yarns and the weft yarns on a machine according to a plain weave structure of one-over-one-down weaving, selecting two pages of heald frames, and adopting a one-reed-two-in drafting mode;
(2) after the fabric is off the loom, the off-loom grey fabric is inspected, scored, marked with weaving defects, trimmed in the subsequent grey fabric trimming process and then put in storage.
The fiber fineness of the chitin fiber is 2.1-2.2 dtex, and the fiber length is 36-38 mm; the fiber fineness of the seaweed fibers is 2.56-2.78 dtex, and the fiber length is 36-38 mm; the fiber fineness of the mulberry fiber is 2.54-2.65 dtex, and the fiber length is 20-22 mm.
The chitin fiber and the alginate fiber in the warp are pretreated, and an antistatic agent with the feeding amount of 0.3-0.4 percent and a nonionic emulsified oil agent with the feeding amount of 1.0-1.3 percent are added during pretreatment.
The washable nano material layer is made of non-woven fabric covered with nano film materials, and nano fibers of the nano film materials are vertically crossed or densely arranged in a line.
The fiber fineness of the polyester fibers in the polyester/viscose needle-punched composite fiber net layer is 1.52-1.67 dtex, the fiber length is 36-38 mm, and the fiber fineness of the viscose fiber is 1.52-1.67 dtex, and the fiber length is 36-38 mm.
The polyester/adhesive needled composite fiber net layer has 3D embossing with a concave-convex structure, and the convex structure is close to the oral cavity.
And carrying out hydrophilic finishing on the viscose fiber net layer in the polyester/viscose needled composite fiber net layer, wherein the relevant technological parameters during hydrophilic finishing are as follows: 18-20 g/L of hydrophilic finishing agent, 2.65-2.85 Pa of compression roller pressure, 150-170 ℃ of temperature and 21-23 m/min of vehicle speed.
The polyester/viscose needled composite fiber net layer is formed by superposing a single-layer viscose fiber net and a single-layer polyester fiber net, the superposed double-layer fiber net is prepared by adopting a needled non-woven production process, and the process flow comprises unpacking, opening and carding, cross lapping, pre-needling and main needling, wherein the main needling frequency is 18-20 Hz, and the main needling output frequency is 6.1-7.5 Hz;
the carding process of the polyester fiber web comprises the following steps: feeding speed is 0.2-0.25 m/min, cotton feeding speed is 0.63-0.83 m/min, and disorder speed is 16.65-17.24 m/min;
the pre-needling reinforcement process of the polyester fiber net comprises the following steps: the needle density is 3600-3800 pieces/m, the needle punching frequency is 15-16 Hz, the cloth feeding speed is 0.6-0.8 m/min, the needle punching depth is 4-6 mm, and the needle punching density is 488-523 times/cm2；
The carding process of the viscose fiber web comprises the following steps: feeding speed is 0.26-0.28 m/min, cotton feeding speed is 0.75-0.89 m/min, and disorder speed is 17.55-18.27 m/min;
the pre-needling reinforcement process of the viscose fiber web comprises the following steps: the needle density is 3300-3500 pieces/m, the needle frequency is 12-14 Hz, the cloth feeding speed is 0.7-0.9 m/min, the needle depth is 4-6 mm, and the needle density is 398-486 times/cm2。
Compared with the prior art, the invention has the following advantages:
the mask body adopts a three-layer design, the inner layer adopts a polyester/viscose needle punched composite fiber mesh layer formed by compounding a single-layer viscose fiber mesh and a single-layer polyester fiber mesh, the polyester/viscose needle punched composite fiber mesh layer has 3D embossed patterns with concave-convex structures, fibers at the convex patterns are fluffy, the porosity is high, the structures at the concave patterns are compact, the polyester fiber mesh layer is close to the oral cavity and is of a convex structure close to the oral cavity, the viscose fiber mesh layer is subjected to hydrophilic finishing, when water vapor generated by breathing and facial sweat contact the polyester fiber layer first, the water retention capacity of the polyester fiber mesh layer is reduced due to the hydrophobicity of the polyester fiber, the bound water formed by the fibers and the water is obviously reduced, the free water content is increased, meanwhile, the fiber structure of the concave-convex structures forms capillary effect additional pressure difference, and the hydrophilic finishing effect aiming at the viscose layer is matched, so that the sweat is automatically diffused, moisture is after polyester fiber layer diffusion to washing and gluing the boundary surface, and the viscose fiber layer begins the moisture absorption and diffuses moisture rapidly, and simultaneously, the unsmooth grooved surface that the impressed watermark formed forms punctiform contact with skin, pastes the sense and reduces when the gauze mask is worn for the person of wearing keeps comfortable and experiences.
The outer layer adopts chitin, alginate fiber and mulberry fiber blended weft yarn, and the blended weft yarn has obvious inhibition effect on the pneumonia bacillus; the intermediate layer is designed by adopting a washable nano film material, and the mask can be used for multiple times.
The mask disclosed by the invention has the advantages of moisture permeability and antibacterial performance, has a certain inhibiting effect on pneumonia bacilli, can be used for multiple times, and can solve the problem that the electrostatic effect of melt-blown cloth in the existing mask disappears and only can be used once as the melt-blown cloth is soaked by water vapor and facial sweat generated along with breathing.
Drawings
Fig. 1 is a schematic front view of the one-way moisture-conducting antibacterial mask of the present invention.
Fig. 2 is an exploded view of the one-way moisture-transfer antibacterial mask body of the present invention.
FIG. 3 is a fabric organization chart of the cotton blending antibacterial layer of the unidirectional moisture-conducting antibacterial mask.
FIG. 4 is a fabric pattern of the cotton blended antibacterial layer of the one-way moisture-conducting antibacterial mask.
FIG. 5 is a reed drawing of the fabric of the cotton blending antibacterial layer of the unidirectional moisture-conducting antibacterial mask.
In the figure: 1-mask body; 2-hanging ear parts; 11-cotton blending antibacterial layer; 12-water washable nanomaterial layer; 13-polyester/viscose needle-punched composite fiber net layer.
Detailed Description
The following detailed description of the invention refers to the accompanying drawings.
Example 1
As shown in fig. 1-2, an one-way moisture-conducting antibacterial mask comprises a mask body 1 and a hanging ear part 2 for fixing the mask body 1, wherein the mask body 1 sequentially comprises a cotton blended antibacterial layer 11, a washable nano material layer 12 and a polyester/viscose needled composite fiber net layer 13 from outside to inside, the polyester/viscose needled composite fiber net layer 13 is formed by compounding a single-layer viscose fiber net and a single-layer polyester fiber net, and the polyester fiber net layer is close to the oral cavity.
The warp yarns of the cotton blended antibacterial layer 11 are made of 14.5tex chitin fibers/alginate fibers/mulberry fibers 43/32/25 blended antibacterial yarns, and the weft yarns are all cotton yarns with 16.2tex fineness.
The preparation of the cotton blended antibacterial layer 11 comprises the following steps:
i, warp yarn
(1) Preparation of blended antibacterial yarn
a. Performing cotton bale mixing according to the moisture-weight blending ratio of the chitin fiber of 43 percent, the moisture-weight blending ratio of the alginate fiber of 32 percent and the moisture-weight blending ratio of the mulberry fiber of 25 percent;
b. carding according to the technological parameters of the sliver dry ration of 19.5g/5m, the cylinder speed of 310r/min, the doffer speed of 28.6r/min, the licker-in speed of 600r/min, the cylinder-cover plate spacing of 0.10mm, 0.08mm, 0.10mm, the licker-in-cylinder spacing of 0.09mm and the cylinder-doffer spacing of 0.06 mm;
c. performing head-combining process by pressing according to the yarn-drying speed of 18.5g/5m, the front roller speed of 248.6r/min, the combination number of 4 yarns, the draft of 4.868 times, the draft of 0.95 times of rear zone and the roller pressure of 200 Nx 300 Nx 340N;
d. pressing the yarn at a yarn speed of 19.58g/5m, a front roller speed of 248.6r/min, a combination number of 4 yarns, a draft of 4.895 times, and a rear zone draft of 0.98 times of 200 Nx300N by 300N;
e. performing three-parallel process according to the yarn-drying speed of 19.28g/5m, the front roller speed of 245.6r/min, the combination number of 6 yarns, the drafting of 4.865 times, the drafting of 0.94 times of rear zone and the roller pressurization of 200 Nx 300 Nx 340 Nx 370N;
(2) in the warp winding, the winding density of the bobbin is 0.30g/cm3；
(3) Warping warp: the tension coefficient is 2, and the warping speed is 500 m/min;
(4) warp sizing: the temperature of a size box is 93 ℃, the relative viscosity of the size box is 6s, the sizing speed is 38m/min, the pH value of the size box is 6, and the sizing rate is 13%;
(5) reeding: a drafting mode that warp yarns are inserted in two parts per reed and the heald frames penetrate in sequence according to 1, 2, 1 and 2;
II, weft yarn
(1) The weft yarn is all-cotton yarn with 18.0tex fineness;
(2) weft yarn twist setting: the yarn steaming process temperature is 83 ℃, the relative humidity is 98%, the temperature rise time is 1h, and the setting time and the temperature rise time are 5 h;
III, weaving
(1) Weaving the warp yarns and the weft yarns on a machine according to a plain weave structure of one-over-one-under, selecting two pages of heald frames, and adopting a one-reed-two-in drafting mode as shown in figures 3-5;
(2) after the fabric is off the loom, the off-loom grey fabric is inspected, scored, marked with weaving defects, trimmed in the subsequent grey fabric trimming process and then put in storage.
The fiber fineness of the chitin fiber is 2.1dtex, and the fiber length is 36 mm; the fiber fineness of the alginate fibers is 2.56dtex, and the fiber length is 36 mm; the fiber fineness of the mulberry fiber is 2.54dtex, and the fiber length is 20 mm.
And pretreating the chitin fibers and the alginate fibers in the warp, wherein a CBAK-50 antistatic agent with the feeding amount of 0.3 percent and an HY & HM nonionic emulsified oil agent with the feeding amount of 1.0 percent are adopted during pretreatment.
The washable nano material layer 12 is made of a non-woven fabric covered with a nano film material, nano fibers of the nano film material are vertically and crossly arranged in a row, a three-dimensional polymer nano fiber film with adjustable pore size and porosity is formed by using a pattern forming device in an electrospinning mode, and virus particles are filtered by means of nano-level long fibers.
The non-woven fabric is single-layer polypropylene spun-bonded fabric, wherein the raw material selects fibers with the fiber fineness of more than 25 mu m for production, and the gram weight of the product is 15g/m2The non-woven fabric is light in density, large in fabric porosity, thick in fiber, low in air permeation resistance and good in air permeability, and the nano film is covered on the single-layer polypropylene spun-bonded fabric in a hot rolling mode.
The washable nano material is prepared by adopting a polyoxyethylene three-dimensional polymer nano fiber membrane (application number: 201710082430.6) developed by a King-Jong professor team of Korean science and technology institute, and adopting an electrospinning mode.
The polyester/viscose needle-punched composite fiber net layer 13 comprises polyester fibers with the fiber fineness of 1.52dtex and the fiber length of 36mm and viscose fibers with the fiber fineness of 1.52dtex and the fiber length of 36 mm.
The washing/sticking needling composite fiber mesh layer 13 adopts a 3D stereo pressing roller to form 3D stereo embossing with an oval concave-convex structure, and the convex structure is close to the oral cavity, wherein the temperature of the embossing roller is 130-plus-135 ℃, the temperature of the smooth roller is 125-plus-130 ℃, specifically, the temperature of the embossing roller in the embodiment is 130 ℃, and the temperature of the smooth roller is 125 ℃.
The viscose fiber net layer in the polyester/viscose needled composite fiber net layer 13 is subjected to hydrophilic finishing, and relevant process parameters during hydrophilic finishing are as follows: JL-18 hydrophilic finishing agent 18g/L, compression roller pressure 2.65Pa, temperature 150 ℃, vehicle speed 21 m/min.
The polyester/viscose needled composite fiber net layer 13 is formed by superposing a single-layer viscose fiber net and a single-layer polyester fiber net, the superposed double-layer fiber net is prepared by adopting a needled non-woven production process, and the process flow comprises unpacking, loosening, carding, cross lapping, pre-needling and main needling, wherein the main needling frequency is 18Hz, and the main needling output frequency is 6.1 Hz;
the carding process of the polyester fiber web comprises the following steps: the feeding speed is 0.2m/min, the cotton feeding speed is 0.63m/min, and the disorder speed is 16.65 m/min;
the pre-needling reinforcement process of the polyester fiber net comprises the following steps: the needle density is 3600 pieces/m, the needling frequency is 15Hz, the cloth feeding speed is 0.6m/min, the needling depth is 4mm, and the needling density is 488 times/cm2；
The carding process of the viscose fiber web comprises the following steps: the feeding speed is 0.26m/min, the cotton feeding speed is 0.75m/min, and the disorder speed is 17.55 m/min;
the pre-needling reinforcement process of the viscose fiber web comprises the following steps: the needle density is 3300 pieces/m, the needling frequency is 12Hz, the cloth feeding speed is 0.7m/min, the needling depth is 4mm, and the needling density is 398 times/cm2。
Example 2
As shown in fig. 1-2, an one-way moisture-conducting antibacterial mask comprises a mask body 1 and a hanging ear part 2 for fixing the mask body 1, wherein the mask body 1 sequentially comprises a cotton blended antibacterial layer 11, a washable nano material layer 12 and a polyester/viscose needled composite fiber net layer 13 from outside to inside, the polyester/viscose needled composite fiber net layer 13 is formed by compounding a single-layer viscose fiber net and a single-layer polyester fiber net, and the polyester fiber net layer is close to the oral cavity.
The warp yarns of the cotton blended antibacterial layer 11 adopt 15tex chitin fibers/alginate fibers/mulberry fibers 38/29/33 blended antibacterial yarns, and the weft yarns adopt 17.2tex all-cotton yarns.
The preparation of the cotton blended antibacterial layer 11 comprises the following steps:
i, warp yarn
(1) Preparation of blended antibacterial yarn
a. Performing cotton bale mixing according to the wet-weight blending ratio of the chitin fiber being 38%, the wet-weight blending ratio of the alginate fiber being 29% and the wet-weight blending ratio of the mulberry fiber being 33%;
b. carding according to the technological parameters of the sliver dry ration of 20.5g/5m, the cylinder speed of 320r/min, the doffer speed of 29.3r/min, the licker-in speed of 700r/min, the cylinder-cover plate spacing of 0.15mm, 0.11mm and 0.15mm, the licker-in-cylinder spacing of 0.12mm and the cylinder-doffer spacing of 0.11 mm;
c. performing head-combining process by pressing roller of 200 Nx 300 Nx 330N according to the yarn-drying speed of 19.2g/5m, the front roller speed of 250.4r/min, the combination number of 5 yarns, the drafting of 5.125 times, the drafting of 0.98 times and the back zone drafting;
d. pressing and doubling the yarn according to the yarn-drying speed of 20.05g/5m, the front roller speed of 249.8r/min, the doubling number of 7 yarns, the draft of 5.137 times and the rear zone draft of 1.03 times of 220 Nx320 Nx340N;
e. performing three-parallel process according to the yarn-drying speed of 20.03g/5m, the front roller speed of 248.6r/min, the combination number of 7 yarns, the draft of 4.898 times, the draft of 1.03 times of rear zone and the roller pressure of 220 Nx320 Nx340N;
(2) in the warp winding, the winding density of the bobbin is 0.33g/cm3；
(3) Warping warp: the tension coefficient is 2.5, and the warping speed is 550 m/min;
(4) warp sizing: the temperature of a size box is 94 ℃, the relative viscosity of the size box is 6.5s, the sizing speed is 39m/min, the pH value of the size box is 6.5, and the sizing rate is 14%;
(5) reeding: a drafting mode that warp yarns are inserted in two parts per reed and the heald frames penetrate in sequence according to 1, 2, 1 and 2;
II, weft yarn
(1) The weft yarn is all-cotton yarn with 18.1tex fineness;
(2) weft yarn twist setting: the temperature of the yarn steaming process is 84 ℃, the relative humidity is 99%, the temperature rise time is 1.25h, and the setting time and the temperature rise time are 5 h;
III, weaving
(1) Weaving the warp yarns and the weft yarns on a machine according to a plain weave structure of one-over-one-under, selecting two pages of heald frames, and adopting a one-reed-two-in drafting mode as shown in figures 3-5;
(2) after the fabric is off the loom, the off-loom grey fabric is inspected, scored, marked with weaving defects, trimmed in the subsequent grey fabric trimming process and then put in storage.
The fiber fineness of the chitin fiber is 2.15dtex, and the fiber length is 37 mm; the fiber fineness of the alginate fibers is 2.61dtex, and the fiber length is 37 mm; the fiber fineness of the mulberry fiber is 2.61dtex, and the fiber length is 21 mm.
And pretreating the chitin fibers and the alginate fibers in the warp, wherein a CBAK-50 antistatic agent with the feeding amount of 0.35 percent and an HY & HM nonionic emulsified oil agent with the feeding amount of 1.2 percent are adopted during pretreatment.
The washable nano material layer 12 is made of a non-woven fabric covered with a nano film material, nano fibers of the nano film material are densely arranged in a row, a three-dimensional polymer nano fiber film with adjustable pore size and porosity is formed by using a pattern forming device in an electrospinning mode, and virus particles are filtered by means of nano-level long fibers.
The non-woven fabric is single-layer polypropylene spun-bonded fabric, wherein the raw material selects fibers with the fiber fineness of more than 25 mu m for production, and the gram weight of the product is 15g/m2The non-woven fabric is light in density, large in fabric porosity, thick in fiber, low in air permeation resistance and good in air permeability, and the nano film is covered on the single-layer polypropylene spun-bonded fabric in a hot rolling mode.
The washable nano material is prepared by adopting a polyoxyethylene three-dimensional polymer nano fiber membrane (application number: 201710082430.6) developed by a King-Jong professor team of Korean science and technology institute, and adopting an electrospinning mode.
The polyester/viscose needle-punched composite fiber net layer 13 comprises polyester fibers with the fiber fineness of 1.61dtex and the fiber length of 37mm and viscose fibers with the fiber fineness of 1.61dtex and the fiber length of 37 mm.
The washing/sticking needling composite fiber mesh layer 13 adopts a 3D stereo pressing roller to form 3D stereo embossing with an oval concave-convex structure, and the convex structure is close to the oral cavity, wherein the temperature of the embossing roller is 130-plus-135 ℃, the temperature of the smooth roller is 125-plus-130 ℃, specifically, the temperature of the embossing roller in the embodiment is 133 ℃, and the temperature of the smooth roller is 128 ℃.
The viscose fiber net layer in the polyester/viscose needled composite fiber net layer 13 is subjected to hydrophilic finishing, and relevant process parameters during hydrophilic finishing are as follows: JL-18 hydrophilic finishing agent 19g/L, compression roller pressure 2.75Pa, temperature 160 ℃, vehicle speed 22 m/min.
The polyester/viscose needled composite fiber net layer 13 is formed by superposing a single-layer viscose fiber net and a single-layer polyester fiber net, the superposed double-layer fiber net is prepared by adopting a needled non-woven production process, and the process flow comprises unpacking, loosening, carding, cross lapping, pre-needling and main needling, wherein the main needling frequency is 19Hz, and the main needling output frequency is 6.2 Hz;
the carding process of the polyester fiber web comprises the following steps: the feeding speed is 0.25m/min, the cotton feeding speed is 0.74m/min, and the disorder speed is 17.15 m/min;
the pre-needling reinforcement process of the polyester fiber net comprises the following steps: the needle density is 3700 pieces/m, the needling frequency is 16Hz, the cloth feeding speed is 0.7m/min, the needling depth is 5mm, and the needling density is 495 times/cm2；
The carding process of the viscose fiber web comprises the following steps: the feeding speed is 0.27m/min, the cotton feeding speed is 0.85m/min, and the disorder speed is 17.85 m/min;
the pre-needling reinforcement process of the viscose fiber web comprises the following steps: the needle density is 3400/m, the needling frequency is 13Hz, the cloth feeding speed is 0.8m/min, the needling depth is 5mm, and the needling density is 400 times/cm2。
Example 3
As shown in fig. 1-2, an one-way moisture-conducting antibacterial mask comprises a mask body 1 and a hanging ear part 2 for fixing the mask body 1, wherein the mask body 1 sequentially comprises a cotton blended antibacterial layer 11, a washable nano material layer 12 and a polyester/viscose needled composite fiber net layer 13 from outside to inside, the polyester/viscose needled composite fiber net layer 13 is formed by compounding a single-layer viscose fiber net and a single-layer polyester fiber net, and the polyester fiber net layer is close to the oral cavity.
The warp yarns of the cotton blended antibacterial layer 11 are 16.5tex chitin fibers/alginate fibers/mulberry fibers 40/30/30 blended antibacterial yarns, and the weft yarns are all cotton yarns with 18.2tex fineness.
The preparation of the cotton blended antibacterial layer 11 comprises the following steps:
i, warp yarn
(1) Preparation of blended antibacterial yarn
a. Performing cotton bale mixing according to the wet-weight blending ratio of the chitin fiber being 38%, the wet-weight blending ratio of the alginate fiber being 29% and the wet-weight blending ratio of the mulberry fiber being 33%;
b. carding according to the technological parameters of the raw sliver ration of 21.5g/5m, the cylinder speed of 330r/min, the doffer speed of 30.4r/min, the licker-in speed of 800r/min, the cylinder-cover plate spacing of 0.20mm, 0.15mm and 0.20mm, the licker-in-cylinder spacing of 0.16mm and the cylinder-doffer spacing of 0.13 mm;
c. a head-combining step of pressing the yarn at a yarn-drying speed of 19.8g/5m, a front roller speed of 252.8r/min, a combination number of 6 yarns, a draft of 5.805 times, a back zone draft of 1.03 times, and rollers of 240 Nx340 Nx370N;
d. pressing and performing a second combination process according to a yarn-drying speed of 20.91g/5m, a front roller speed of 252.8r/min, a combination number of 6 yarns, a draft of 5.904 times and a rear zone draft of 240 Nx340 Nx370N of 1.06 times;
e. performing three-parallel process according to the yarn-drying speed of 20.11g/5m, the front roller speed of 252.8r/min, the combination number of 8 yarns, the drafting of 5.904 times, the drafting of 1.06 times of rear zone and the roller pressure of 240 Nx340 Nx370N;
(2) in the warp winding, the winding density of the bobbin is 0.35g/cm3；
(3) Warping warp: tension coefficient is 3, and warping speed is 600 m/min;
(4) warp sizing: the temperature of the size box is 95 ℃, the relative viscosity of the size box is 7s, the sizing speed is 40m/min, the pH value of the size box is 7, and the sizing rate is 15%;
(5) reeding: a drafting mode that warp yarns are inserted in two parts per reed and the heald frames penetrate in sequence according to 1, 2, 1 and 2;
II, weft yarn
(1) The weft yarn is an all-cotton yarn with 18.2tex fineness;
(2) weft yarn twist setting: the temperature of the yarn steaming process is 85 ℃, the relative humidity is 100%, the temperature rise time is 1.5h, and the setting time and the temperature rise time are 5 h;
III, weaving
(1) Weaving the warp yarns and the weft yarns on a machine according to a plain weave structure of one-over-one-under, selecting two pages of heald frames, and adopting a one-reed-two-in drafting mode as shown in figures 3-5;
(2) after the fabric is off the loom, the off-loom grey fabric is inspected, scored, marked with weaving defects, trimmed in the subsequent grey fabric trimming process and then put in storage.
The fiber fineness of the chitin fiber is 2.2dtex, and the fiber length is 38 mm; the fiber fineness of the alginate fibers is 2.78dtex, and the fiber length is 38 mm; the fiber fineness of the mulberry fiber is 2.65dtex, and the fiber length is 22 mm.
And pretreating the chitin fibers and the alginate fibers in the warp, wherein a CBAK-50 antistatic agent with the feeding amount of 0.4 percent and an HY & HM nonionic emulsified oil agent with the feeding amount of 1.3 percent are adopted during pretreatment.
The washable nano material layer 12 is made of a non-woven fabric covered with a nano film material, nano fibers of the nano film material are vertically and crossly arranged in a row, a three-dimensional polymer nano fiber film with adjustable pore size and porosity is formed by using a pattern forming device in an electrospinning mode, and virus particles are filtered by means of nano-level long fibers.
The non-woven fabric is single-layer polypropylene spun-bonded fabric, wherein the raw material selects fibers with the fiber fineness of more than 25 mu m for production, and the gram weight of the product is 15g/m2The non-woven fabric is light in density, large in fabric porosity, thick in fiber, low in air permeation resistance and good in air permeability, and the nano film is covered on the single-layer polypropylene spun-bonded fabric in a hot rolling mode.
The washable nano material is prepared by adopting a polyoxyethylene three-dimensional polymer nano fiber membrane (application number: 201710082430.6) developed by a King-Jong professor team of Korean science and technology institute, and adopting an electrospinning mode.
The polyester/viscose needle-punched composite fiber net layer 13 comprises polyester fibers with the fiber fineness of 1.67dtex and the fiber length of 38mm and viscose fibers with the fiber fineness of 1.67dtex and the fiber length of 38 mm.
The washing/sticking needling composite fiber mesh layer 13 adopts a 3D stereo pressing roller to form 3D stereo embossing with an oval concave-convex structure, and the convex structure is close to the oral cavity, wherein the temperature of the embossing roller is 130-plus-135 ℃, the temperature of the smooth roller is 125-plus-130 ℃, specifically, the temperature of the embossing roller in the embodiment is 135 ℃, and the temperature of the smooth roller is 130 ℃.
The viscose fiber net layer in the polyester/viscose needled composite fiber net layer 13 is subjected to hydrophilic finishing, and relevant process parameters during hydrophilic finishing are as follows: JL-18 hydrophilic finishing agent 20g/L, compression roller pressure 2.85Pa, temperature 170 ℃, vehicle speed 23 m/min.
The polyester/viscose needled composite fiber net layer 13 is formed by superposing a single-layer viscose fiber net and a single-layer polyester fiber net, the superposed double-layer fiber net is prepared by adopting a needled non-woven production process, and the process flow comprises unpacking, loosening, carding, cross lapping, pre-needling and main needling, wherein the main needling frequency is 20Hz, and the main needling output frequency is 7.5 Hz;
the carding process of the polyester fiber web comprises the following steps: the feeding speed is 0.25m/min, the cotton feeding speed is 0.83m/min, and the disorder speed is 17.24 m/min;
the pre-needling reinforcement process of the polyester fiber net comprises the following steps: the needle density is 3800 pieces/m, the needling frequency is 16Hz, the cloth feeding speed is 0.8m/min, the needling depth is 6mm, and the needling density is 523 times/cm2；
The carding process of the viscose fiber web comprises the following steps: the feeding speed is 0.28m/min, the cotton feeding speed is 0.89m/min, and the disorder speed is 18.27 m/min;
the pre-needling reinforcement process of the viscose fiber web comprises the following steps: the needle density is 3500 pieces/m, the needling frequency is 14Hz, the cloth feeding speed is 0.9m/min, the needling depth is 6mm, and the needling density is 486 times/cm2；
Aiming at the water washability of the mask, the filtration efficiency of the mask before washing and after washing is respectively tested, and the test results are shown in table 1 and are in accordance with the national standard GB19083-2010 medical protective mask technical requirement:
the test instrument: TSI8130 automatic filter material tester.
The test conditions are that the relative humidity of sodium chloride aerosol is 30% +/-10% and the temperature is 25 +/-5 ℃; the median diameter of the particles is 0.075 μm +/-0.020 μm; the geometric standard deviation of the particle distribution is less than or equal to 1.86, and the concentration is less than or equal to 200mg/m3。
TABLE 1 test results of mask filtration efficiency in examples 1-3
Figure BDA0002677215920000091
As can be seen from the table 1, the mask of the application has the filtering efficiency of more than 97% before water washing, and the filtering efficiency of the mask after 5 times of water washing is still more than 95%, so that the mask meets the requirement that the filtering efficiency of the medical mask is more than 95%.
The mask in embodiment 1 of the present application was subjected to one-way moisture permeability detection, and the detection was performed according to the national standard GB/T21655.2-2009, with the results shown in table 2:
table 2 one-way moisture permeability test results of the mask of example 1 of the present invention
Detecting items Item description National standard requirements Measured value Evaluation of
One-way moisture permeability (before washing) Index of unidirectional transfer ≥200 244.6 Conform to
One-way moisture permeability (5 times washing) Index of unidirectional transfer ≥200 234.7 Conform to
As can be seen from table 2, the unidirectional moisture permeability indexes of the mask in example 1 of the present application both before and after washing with water exceed the national standard, which indicates that the mask of the present application has a certain unidirectional moisture permeability.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modification, change and equivalent changes of the above embodiments according to the essence of the present invention are still within the protection scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides an one-way antibiotic gauze mask of leading wet, includes gauze mask body (1) and hangers portion (2) that are used for fixed gauze mask body (1), its characterized in that, gauze mask body (1) includes antibiotic layer (11) of cotton blending, washable nanometer material layer (12) and washes/glues acupuncture composite fiber stratum reticulare (13) from outside to inside in proper order, wash/glue acupuncture composite fiber stratum reticulare (13) and form by individual layer viscose fiber net and the compound of individual layer dacron fiber net, wherein the oral cavity is pressed close to dacron fiber stratum reticulare.
2. The mask according to claim 1, wherein the warp of the cotton blended antibacterial layer (11) is made of chitin fiber-alginate fiber-mulberry fiber blended antibacterial yarn with fineness of 14.5-16.5 tex, and the weft is made of all cotton yarn with fineness of 16.2-18.2 tex.
3. The mask according to claim 2, wherein the cotton blended antibacterial layer (11) is prepared by the following steps:
i, warp yarn
(1) Preparation of blended antibacterial yarn
a. Cotton bale mixing is carried out according to the wet-weight blending ratio of the chitin fiber being 33-38%, the wet-weight blending ratio of the alginate fiber being 24-29% and the wet-weight blending ratio of the mulberry fiber being 28-33%;
b. carding according to the technological parameters of the sliver dry ration of 19.5-21.5 g/5m, the cylinder speed of 310-330 r/min, the doffer speed of 28.6-30.4 r/min, the licker-in speed of 600-800 r/min, the cylinder-cover plate spacing of 0.10-0.20 mm, 0.08-0.15 mm, 0.10-0.20 mm, the licker-in-cylinder spacing of 0.09-0.16 mm and the cylinder-doffer spacing of 0.06-0.13 mm;
c. performing head-combining process according to the yarn-drying speed of 18.5-19.8 g/5m, the front roller speed of 248.6-252.8 r/min, the number of 4-6 combined yarns, the drafting of 4.868-5.805 times, the drafting of 0.95-1.03 times of rear zone, and the roller pressure of 200-240 Nx 300-340 Nx 340-370N;
d. pressing and combining the yarns according to a yarn-drying speed of 19.58-20.91 g/5m, a front roller speed of 248.6-252.8 r/min, a combined number of 4-6 yarns, drafting of 4.895-5.904 times, drafting of 0.98-1.06 times in a rear area, and roller pressing of 200-240 Nx 300-340 Nx 330-370N;
e. performing three-in-one process according to the yarn drying speed of 19.28-20.11 g/5m, the front roller speed of 245.6-252.8 r/min, the merging number of 6-8 yarns, the drafting of 4.865-5.904 times, the drafting of 0.94-1.06 times of rear zone, and the roller pressurization of 200-240 Nx 300-340 Nx 330-370N;
(2) performing warp yarn spooling, wherein the winding density of the bobbin is 0.30-0.35 g/cm for thin film;
(3) warping warp: the tension coefficient is 2-3, and the warping speed is 500-600 m/min;
(4) warp sizing: the temperature of a size box is 93-95 ℃, the relative viscosity of the size box is 6-7 s, the sizing speed is 38-40 m/min, the pH value of the size box is 6-7, and the sizing rate is 13-15%;
(5) reeding: a drafting mode that warp yarns are inserted in two parts per reed and the heald frames penetrate in sequence according to 1, 2, 1 and 2;
II, weft yarn
(1) The weft yarn is all-cotton yarn with the fineness of 18.0-18.2 tex;
(2) weft yarn twist setting: the yarn steaming process temperature is 83-85 ℃, the relative humidity is 98% -100%, the temperature rise time is 1-1.5h, and the setting time and the temperature rise time are 5 h;
III, weaving
(1) Weaving the warp yarns and the weft yarns on a machine according to a plain weave structure of one-over-one-down weaving, selecting two pages of heald frames, and adopting a one-reed-two-in drafting mode;
(2) after the fabric is off the machine, the grey fabric after off-machine is inspected, scored, marked with weaving defects, trimmed in the process of trimming the grey fabric at the rear, and then put in storage.
4. The mask according to claim 2, wherein the chitin fibers have a fiber fineness of 2.1 to 2.2dtex and a fiber length of 36 to 38 mm; the fiber fineness of the alginate fibers is 2.56-2.78 dtex, and the fiber length is 36-38 mm; the fiber fineness of the mulberry fiber is 2.54-2.65 dtex, and the fiber length is 20-22 mm.
5. The mask of claim 2, wherein the chitin fiber and the alginate fiber in the warp are pretreated, and an antistatic agent with a feeding amount of 0.3-0.4% and a nonionic emulsified oil with a feeding amount of 1.0-1.3% are added during pretreatment.
6. The mask according to claim 1, wherein the water-washable nano-material layer (12) is made of non-woven fabric covered with nano-film material, and nano-fibers of the nano-film material are vertically crossed or densely arranged in a row.
7. The mask according to claim 1, wherein the polyester fiber in the polyester/viscose needle-punched composite fiber web layer (13) has a fiber fineness of 1.52 to 1.67dtex and a fiber length of 36 to 38mm, and the viscose fiber has a fiber fineness of 1.52 to 1.67dtex and a fiber length of 36 to 38 mm.
8. The mask according to claim 1, wherein the polyester/viscose needled composite fiber web layer (13) has 3D embossed patterns with a concavo-convex structure, and the convex structure is close to the oral cavity.
9. The mask according to claim 1, wherein the viscose fiber web layer of the polyester/viscose needle punched composite fiber web layer (13) is subjected to hydrophilic finishing, and the relevant process parameters during hydrophilic finishing are as follows: 18-20 g/L of hydrophilic finishing agent, 2.65-2.85 Pa of compression roller pressure, 150-170 ℃ of temperature and 21-23 m/min of vehicle speed.
10. The unidirectional moisture-conducting antibacterial mask according to claim 1, characterized in that the polyester/viscose needle-punched composite fiber web layer (13) is formed by laminating a single-layer viscose fiber web and a single-layer polyester fiber web, the laminated double-layer fiber web is prepared by adopting a needle-punched non-woven production process, the process is unpacking, opening and carding, cross lapping, pre-needling and main needling, wherein the main needling frequency is 18-20 Hz, and the main needling output frequency is 6.1-7.5 Hz;
the carding process of the polyester fiber web comprises the following steps: feeding speed is 0.2-0.25 m/min, cotton feeding speed is 0.63-0.83 m/min, and disorder speed is 16.65-17.24 m/min;
the pre-needling reinforcement process of the polyester fiber net comprises the following steps: the needle density is 3600-3800 pieces/m, the needle punching frequency is 15-16 Hz, the cloth feeding speed is 0.6-0.8 m/min, the needle punching depth is 4-6 mm, and the needle punching density is 488-523 times/cm2；
The carding process of the viscose fiber web comprises the following steps: feeding speed is 0.26-0.28 m/min, cotton feeding speed is 0.75-0.89 m/min, and disorder speed is 17.55-18.27 m/min;
the pre-needling reinforcement process of the viscose fiber web comprises the following steps: the needle density is 3300-3500 pieces/m, the needle frequency is 12-14 Hz, the cloth feeding speed is 0.7-0.9 m/min, the needle depth is 4-6 mm, and the needle density is 398-486 times/cm2。
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