CN112043024B - One-way moisture-conducting antibacterial mask - Google Patents

One-way moisture-conducting antibacterial mask Download PDF

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Publication number
CN112043024B
CN112043024B CN202010951753.6A CN202010951753A CN112043024B CN 112043024 B CN112043024 B CN 112043024B CN 202010951753 A CN202010951753 A CN 202010951753A CN 112043024 B CN112043024 B CN 112043024B
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layer
fiber
polyester
speed
viscose
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CN112043024A (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 unidirectional moisture-conducting antibacterial mask. The mask comprises a mask body and a hanging 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 needle-punched composite fiber net layer from outside to inside, and the polyester surface of the polyester/viscose needle-punched composite fiber net layer is close to the oral cavity. According to the mask body disclosed by the invention, a 3-layer design is adopted, and the inner layer is a polyester/viscose needle-punched composite fiber net, wherein the polyester surface of the composite fiber net is close to the oral cavity, when vapor generated by breathing and facial sweat firstly contact the polyester fiber layer, moisture is diffused to a polyester viscose interface at the polyester fiber layer, and then the viscose fiber layer starts to absorb moisture and rapidly diffuse the moisture, so that a wearer keeps comfortable experience; the outer layer adopts the design of chitin, alginate fiber and mulberry fiber blended weft yarn, and the fiber has obvious inhibiting effect on pneumobacillus; the middle layer is made of nano film material which can be washed by water, 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 unidirectional moisture-conducting antibacterial mask.
Background
The mask becomes a necessity in the current daily life, and the wearing of the mask is extremely easy to generate a stuffy phenomenon along with the gradual hot weather, and meanwhile, vapor and facial sweat generated by breathing are extremely easy to wet the mask, so that the electrostatic effect of melt-blown cloth in the common mask is eliminated, and the filtering effect of the novel coronavirus is influenced; in addition, since the symptoms of common cold and pneumonia are close to those of new coronaries, reducing the transmission of pneumonia is also a problem to be solved urgently; meanwhile, because the mask is high in use frequency, the mask which can be used repeatedly is an important field for developing the mask due to high cost performance and environmental protection requirements.
Disclosure of Invention
The invention aims to solve the technical problem of providing a unidirectional 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 the polyester/viscose needle punched composite fiber net, wherein the polyester surface of the composite fiber net is close to the oral cavity, when vapor generated by breathing and facial sweat firstly contact the polyester fiber layer, the moisture is diffused to a polyester viscose interface at the polyester fiber layer, and the viscose fiber layer starts to absorb moisture and rapidly diffuse the moisture, so that a wearer keeps comfortable experience; the outer layer adopts the design of chitin, alginate fiber and mulberry fiber blended weft yarn, and the fiber has obvious inhibiting effect on pneumobacillus; the middle layer is made of nano film material which can be washed by water, 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 pneumobacillus, 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 a one-way antibiotic gauze mask that leads wet, includes the gauze mask body and is used for the hangers portion of fixed gauze mask body, the gauze mask body is from outer to interior including cotton blending antibiotic layer, washable nano material layer and wash/glue needle thorn composite fiber net layer in proper order, wash/glue needle thorn composite fiber net layer and form by individual layer viscose fiber net and individual layer polyester fiber net complex, wherein polyester fiber net layer is pressed close to the oral cavity.
The warp yarn of the cotton blended antibacterial layer adopts chitin fiber-alginate fiber-mulberry fiber blended antibacterial yarn with fineness of 14.5-16.5 tex, and the weft yarn adopts all-cotton yarn with 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. Mixing cotton bales according to the wet weight blending ratio of the chitin fiber of 33% -38%, the wet weight blending ratio of the alginate fiber of 24% -29% and the wet weight blending ratio of the mulberry fiber of 28% -33%;
b. according to the technological parameters of raw sliver quality ration 19.5-21.5 g/5m, cylinder speed 310-330 r/min, doffer speed 28.6-30.4 r/min, licker-in speed 600-800 r/min, tin Lin cover plate gauge 0.10-0.20 mm, 0.08-0.15 mm, 0.10-0.20 mm, licker-in-cylinder gauge 0.09-0.16 mm and tin Lindao v gauge 0.06-0.13 mm, cotton carding treatment is carried out;
c. the front roller speed of 248.6-252.8 r/min, the combining number of 4-6, the drafting of 4.868-5.805 times, the rear zone drafting of 0.95-1.03 times and the roller pressurizing of 200-240 Nx 300-340 Nx 340-370N are carried out head combining process according to the stripe speed of 18.5-19.8 g/5 m;
d. according to the stripe speed of 19.58-20.91 g/5m, the front roller speed of 248.6-252.8 r/min, the merging number of 4-6, the drafting of 4.895-5.904 times, the back zone drafting of 0.98-1.06 times, the roller pressurizing of 200-240 Nx300-340 Nx330-370N for the second merging procedure;
e. according to the yarn speed of 19.28-20.11 g/5m, the front roller speed of 245.6-252.8 r/min, the combining number of 6-8, the drafting of 4.865-5.904 times, the rear zone drafting of 0.94-1.06 times, the roller pressurizing of 200-240 Nx300-340 Nx330-370N for three combining procedures;
(2) Warp winding, namely, the winding density of a bobbin is 0.30-0.35 g/cm 3 ；
(3) Warp beaming: the tension coefficient is 2-3, and the warping speed is 500-600 m/min;
(4) Warp sizing: the temperature of the sizing tank is 93-95 ℃, the relative viscosity of the sizing tank is 6-7 s, the sizing speed is 38-40 m/min, the pH value of the sizing tank is 6-7, and the sizing rate is 13-15%;
(5) Reeding: two warps are inserted into each reed, and a drafting mode of penetrating 1,2,1 and 2 heald frames sequentially is adopted; II, weft yarn
(1) The weft yarn is selected from all-cotton yarns with fineness of 18.0-18.2 tex;
(2) Weft yarn twist: the yarn steaming process temperature is 83-85 ℃, the relative humidity is 98-100%, the heating time is 1-1.5h, and the setting time and the heating time are 5h;
III, weaving
(1) Weaving warp yarns and weft yarns on a loom according to a plain weave of one upper loom and one lower loom, selecting two heald frames, and adopting a reed two-in drafting mode;
(2) After the fabric is taken off the machine, checking and grading the grey cloth after the machine is taken off, marking the weaving defects, trimming the checked defects in the subsequent grey cloth trimming process, and then warehousing.
The fineness of the chitin fiber is 2.1-2.2 dtex, and the length of the chitin fiber is 36-38 mm; the fiber fineness of the alginate fibers is 2.56-2.78 dtex, and the fiber length is 36-38 mm; the fineness of the mulberry bark fiber is 2.54-2.65 dtex, and the fiber length is 20-22 mm.
Pretreating chitin fiber and alginate fiber in the warp, and adding antistatic agent with the feeding amount of 0.3-0.4% and nonionic emulsifying oil with the feeding amount of 1.0-1.3% during pretreatment.
The washable nano material layer 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.
The polyester fiber fineness of the polyester/viscose needled 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/viscose needle punched composite fiber net layer is provided with 3D three-dimensional embossing with concave-convex structures, and the convex structures are close to the oral cavity.
The viscose fiber net layer in the polyester/viscose needle punched composite fiber net layer is subjected to hydrophilic finishing, and the relevant technological parameters during hydrophilic finishing are as follows: 18-20 g/L hydrophilic finishing agent, 2.65-2.85 Pa pressure of a press roller, 150-170 ℃ and 21-23 m/min speed of a vehicle.
The polyester/viscose needle punched composite fiber web layer is formed by overlapping a single-layer viscose fiber web and a single-layer polyester fiber web, the double-layer fiber web after overlapping is prepared by adopting a needle punched non-woven production process, and the process comprises opening, 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 net comprises the following steps: feeding speed is 0.2-0.25 m/min, cotton feeding speed is 0.63-0.83 m/min, and mess speed is 16.65-17.24 m/min;
the pre-needling reinforcement process of the polyester fiber net comprises the following steps: the needling density is 3600-3800 pieces/m, the needling frequency is 15-16 Hz, the cloth feeding speed is 0.6-0.8 m/min, the needling depth is 4-6 mm, and the needling density is 488-523 times/cm 2 ；
The carding process of the viscose fiber net comprises the following steps: feeding speed is 0.26-0.28 m/min, cotton feeding speed is 0.75-0.89 m/min, and mess speed is 17.55-18.27 m/min;
the pre-needling reinforcement process of the viscose fiber net comprises the following steps: the needling density is 3300-3500 pieces/m, the needling frequency is 12-14 Hz, the cloth feeding speed is 0.7-0.9 m/min, the needling depth is 4-6 mm, and the needling density is 398-486 times/cm 2 。
Compared with the prior art, the invention has the following advantages:
the mask body is designed by three layers, the inner layer is the polyester/viscose needle punched composite fiber net layer formed by compounding a single-layer viscose fiber net and a single-layer polyester fiber net, the polyester/viscose needle punched composite fiber net is provided with 3D three-dimensional embossments with concave-convex structures, the fiber at the convex patterns is fluffy, the porosity is large, the structure at the concave patterns is compact, the polyester fiber net layer is close to an oral cavity and is in a convex structure close to the oral cavity, the viscose fiber net layer carries out hydrophilic finishing, when vapor and facial sweat generated by respiration firstly contact the polyester fiber layer, the hydrophobicity of the polyester fiber enables the water retention capacity of the polyester fiber net layer to be reduced, the bonding water formed by fibers and water is obviously reduced, the free water content is increased, meanwhile, the fiber structure of the concave-convex structure forms capillary effect to add pressure difference, the hydrophilic finishing effect aiming at the viscose layer is matched, the sweat is automatically diffused from the inner layer of the fabric to the outer layer of the fabric, the moisture is diffused to the polyester fiber interface after the polyester fiber layer begins to absorb moisture and rapidly diffuse the moisture, meanwhile, the concave-convex groove surface formed by embossing forms punctiform contact with the skin, the adhesive effect is reduced, and the sticky feeling is formed when the mask is worn, so that a wearer keeps comfortable experience.
The outer layer adopts chitin, alginate fiber and mulberry fiber blended weft yarn, and the blended weft yarn has obvious inhibition effect on pneumobacillus; the middle layer is made of nano film material which can be washed by water, and the mask can be used for multiple times.
The mask disclosed by the invention has the advantages of moisture conduction and antibacterial performance, has a certain inhibition effect on pneumobacillus, can be used for multiple times, and can be used for solving the problem that the electrostatic effect of the melt-blown cloth is lost and the melt-blown cloth can only be used once due to the fact that the melt-blown cloth in the existing mask is soaked by water vapor and facial sweat generated by breathing.
Drawings
Fig. 1 is a schematic front view of a one-way moisture-directing antimicrobial mask of the present invention.
Figure 2 is an exploded view of the body of the one-way moisture-directing antimicrobial mask of the present invention.
Fig. 3 is a fabric texture diagram of the cotton blended antibacterial layer of the unidirectional moisture-conducting antibacterial mask of the present invention.
Fig. 4 is a textile pattern of the cotton blended antibacterial layer of the unidirectional moisture-conducting antibacterial mask of the present invention.
Fig. 5 is a fabric reed drawing of the cotton blended antibacterial layer of the unidirectional moisture-conducting antibacterial mask of the invention.
In the figure: 1-a mask body; 2-hanging an ear; 11-cotton blending antibacterial layer; 12-a water washable nanomaterial layer; 13-polyester/viscose needled composite fiber web layer.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to the technical scheme and the accompanying drawings.
Example 1
As shown in fig. 1-2, the one-way moisture-conducting antibacterial mask comprises a mask body 1 and a hanging lug 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 needle-punched composite fiber net layer 13 from outside to inside, and the polyester/viscose needle-punched composite fiber net layer 13 is formed by compounding a single-layer viscose fiber net and a single-layer polyester fiber net, wherein the polyester fiber net layer is close to an oral cavity.
The warp yarn of the cotton blended antibacterial layer 11 adopts 14.5tex chitin fiber/alginate fiber/mulberry fiber 43/32/25 blended antibacterial yarn, and the weft yarn adopts 16.2tex all-cotton yarn.
The preparation of the cotton blended antibacterial layer 11 comprises the following steps:
i warp yarn
(1) Preparation of blended antibacterial yarn
a. Mixing cotton bales according to the wet weight blending ratio of the chitin fiber of 43%, the wet weight blending ratio of the alginate fiber of 32% and the wet weight blending ratio of the mulberry fiber of 25%;
b. according to the process parameters of raw sliver ration 19.5g/5m, cylinder speed 310r/min, doffer speed 28.6r/min, licker-in speed 600r/min, tin Lin cover plate gauge of 0.10mm, 0.08mm and 0.10mm, licker-in-cylinder gauge of 0.09mm and tin Lindao f gauge of 0.06mm, cotton carding treatment is carried out;
c. the head merging process is carried out by pressing the rollers with the drying speed of 18.5g/5m, the speed of 248.6r/min of the front roller, the merging number of 4 rollers, 4.868 times of drafting and 0.95 times of rear zone drafting, and the rollers with the diameters of 200N multiplied by 300N multiplied by 340N;
d. the second doubling step is carried out by pressurizing the rollers with the drying speed of 19.58g/5m, the speed of 248.6r/min of the front roller, the merging number of 4 rollers, 4.895 times of drafting and 0.98 times of rear zone drafting of 200N multiplied by 300N;
e. according to the yarn speed of 19.28g/5m, the front roller speed of 245.6r/min, the combining number of 6 roots, the drafting of 4.865 times, the back zone drafting of 0.94 times, the roller pressurizing of 200N multiplied by 300N multiplied by 340N multiplied by 370N, three combining steps are carried out;
(2) Warp winding, namely, the winding density of a bobbin is 0.30g/cm 3 ；
(3) Warp beaming: tension coefficient 2, warping speed is 500m/min;
(4) Warp sizing: the temperature of the sizing tank is 93 ℃, the relative viscosity of the sizing tank is 6s, the sizing speed is 38m/min, the pH value of the sizing tank is 6, and the sizing rate is 13%;
(5) Reeding: two warps are inserted into each reed, and a drafting mode of penetrating 1,2,1 and 2 heald frames sequentially is adopted; II, weft yarn
(1) The weft yarn is selected from all-cotton yarns with fineness of 18.0 tex;
(2) Weft yarn twist: the yarn steaming process temperature is 83 ℃, the relative humidity is 98%, the heating time is 1h, and the setting time and the heating time are 5h;
III, weaving
(1) Weaving the warp yarns and the weft yarns on a loom according to a plain weave of one to the next, selecting two heald frames, and adopting a reed two-in drafting mode, as shown in figures 3-5;
(2) After the fabric is taken off the machine, checking and grading the grey cloth after the machine is taken off, marking the weaving defects, trimming the checked defects in the subsequent grey cloth trimming process, and then warehousing.
The fineness of the chitin fiber is 2.1dtex, and the length of the fiber is 36mm; the fiber fineness of the alginate fibers is 2.56dtex, and the fiber length is 36mm; the fineness of the mulberry bark fiber is 2.54dtex, and the fiber length is 20mm.
Pretreating chitin fibers and alginate fibers in the warp yarns, wherein CBAK-50 antistatic agent with the feeding amount of 0.3% and HY & HM nonionic emulsifying oil with the feeding amount of 1.0% are adopted in the pretreatment.
The washable nano material layer 12 is made of non-woven fabric covered with nano film material, nano fibers of the nano film material are vertically crossed and aligned in a row, a three-dimensional high polymer nano fiber film with adjustable air hole size and air hole degree 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 a single-layer polypropylene spunbonded fabric, wherein the raw materials are selected from fibers with the fineness of more than 25 mu m for production, and the gram weight of the product is 15g/m 2 The non-woven fabric has light density, large fabric porosity, coarse fiber, reduced air permeation resistance and good air permeability, and the nano film is covered on the single-layer polypropylene spunbond fabric in a hot rolling mode.
The washable nano material is prepared by adopting an electrospinning mode by adopting a polyethylene oxide three-dimensional polymer nanofiber membrane (application number: 201710082430.6) developed by a teaching team of Korean scientific and technical institute gold.
The polyester/viscose needled 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 polyester/viscose needled composite fiber web layer 13 adopts a 3D three-dimensional compression roller to form a 3D three-dimensional embossing with an elliptic concave-convex structure, and the convex structure is close to the oral cavity, wherein the roller temperature of the embossing roller is 130-135 ℃, the roller temperature of the smooth roller is 125-130 ℃, and specifically, the roller temperature of the embossing roller in the embodiment is 130 ℃, and the roller temperature of the smooth roller is 125 ℃.
The viscose fiber net layer in the polyester/viscose needle punched composite fiber net layer 13 is subjected to hydrophilic finishing, and relevant technological parameters during hydrophilic finishing are as follows: 18g/L of JL-18 hydrophilic finishing agent, 2.65Pa of pressure of a press roller, 150 ℃ of temperature and 21m/min of speed.
The polyester/viscose needle punched composite fiber web layer 13 is formed by overlapping a single-layer viscose fiber web and a single-layer polyester fiber web, the overlapped double-layer fiber web is prepared by adopting a needle punched non-woven production process, and the process comprises opening a bag, opening, carding, cross lapping, pre-needling and main needling, wherein the main needling frequency is 18Hz, and the main needling output frequency is 6.1Hz;
the carding process of the polyester fiber net comprises the following steps: feeding speed is 0.2m/min, cotton feeding speed is 0.63m/min, and mess speed is 16.65m/min;
the polyester fiber netThe pre-needling reinforcement process comprises the following steps: the needling 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/cm 2 ；
The carding process of the viscose fiber net comprises the following steps: feeding speed is 0.26m/min, cotton feeding speed is 0.75m/min, and mess speed is 17.55m/min;
the pre-needling reinforcement process of the viscose fiber net comprises the following steps: the needling 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/cm 2 。
Example 2
As shown in fig. 1-2, the one-way moisture-conducting antibacterial mask comprises a mask body 1 and a hanging lug 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 needle-punched composite fiber net layer 13 from outside to inside, and the polyester/viscose needle-punched composite fiber net layer 13 is formed by compounding a single-layer viscose fiber net and a single-layer polyester fiber net, wherein the polyester fiber net layer is close to an oral cavity.
The warp yarn of the cotton blended antibacterial layer 11 adopts 15tex chitin fiber/alginate fiber/mulberry fiber 38/29/33 blended antibacterial yarn, and the weft yarn adopts 17.2tex all-cotton yarn.
The preparation of the cotton blended antibacterial layer 11 comprises the following steps:
i warp yarn
(1) Preparation of blended antibacterial yarn
a. Mixing cotton bales according to the wet weight blending ratio of the chitin fiber of 38%, the wet weight blending ratio of the alginate fiber of 29% and the wet weight blending ratio of the mulberry fiber of 33%;
b. according to the process parameters of 20.5g/5m of raw sliver, 320r/min of cylinder speed, 29.3r/min of doffer speed, 700r/min of licker-in speed, 0.15mm, 0.11mm and 0.15mm of tin Lin cover plate gauge, 0.12mm of licker-in-cylinder gauge and 0.11mm of tin Lindao f gauge, cotton carding treatment is carried out;
c. the head doubling process is carried out by pressing the rollers with the drying speed of 19.2g/5m, the front roller speed of 250.4r/min, the merging number of 5 roots, the drafting of 5.125 times, the rear zone drafting of 0.98 times and the roller pressing of 200N multiplied by 300N multiplied by 330N;
d. the second doubling step is carried out by pressurizing the rollers with the drying speed of 20.05g/5m, the front roller speed of 249.8r/min, the combining number of 7 rollers, the drafting of 5.137 times and the back zone drafting of 220N multiplied by 320N multiplied by 340N, wherein the drafting of 1.03 times is carried out in the back zone;
e. according to the 20.03g/5m drying speed, 248.6r/min front roller speed, 7-root combining number, 4.898 times drafting, 1.03 times rear zone drafting, 220N x 320N x 340N roller pressurizing to perform three combining procedures;
(2) Warp winding, namely, the winding density of a bobbin is 0.33g/cm 3 ；
(3) Warp beaming: the tension coefficient is 2.5, and the warping speed is 550m/min;
(4) Warp sizing: the temperature of the sizing tank is 94 ℃, the relative viscosity of the sizing tank is 6.5s, the sizing speed is 39m/min, the pH value of the sizing tank is 6.5, and the sizing rate is 14%;
(5) Reeding: two warps are inserted into each reed, and a drafting mode of penetrating 1,2,1 and 2 heald frames sequentially is adopted; II, weft yarn
(1) The weft yarn is selected from all-cotton yarns with fineness of 18.1 tex;
(2) Weft yarn twist: the yarn steaming process temperature is 84 ℃, the relative humidity is 99%, the heating time is 1.25h, and the setting time and the heating time are 5h;
III, weaving
(1) Weaving the warp yarns and the weft yarns on a loom according to a plain weave of one to the next, selecting two heald frames, and adopting a reed two-in drafting mode, as shown in figures 3-5;
(2) After the fabric is taken off the machine, checking and grading the grey cloth after the machine is taken off, marking the weaving defects, trimming the checked defects in the subsequent grey cloth trimming process, and then warehousing.
The fineness of the chitin fiber is 2.15dtex, and the length of the chitin fiber is 37mm; the fiber fineness of the alginate fibers is 2.61dtex, and the fiber length is 37mm; the fineness of the mulberry bark fiber is 2.61dtex, and the fiber length is 21mm.
Pretreating chitin fibers and alginate fibers in the warp yarns, wherein the pretreatment adopts a CBAK-50 antistatic agent with the feeding amount of 0.35 percent and an HY & HM nonionic emulsifying oil agent with the feeding amount of 1.2 percent.
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 high polymer nano fiber film with adjustable air hole size and air hole degree 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 a single-layer polypropylene spunbonded fabric, wherein the raw materials are selected from fibers with the fineness of more than 25 mu m for production, and the gram weight of the product is 15g/m 2 The non-woven fabric has light density, large fabric porosity, coarse fiber, reduced air permeation resistance and good air permeability, and the nano film is covered on the single-layer polypropylene spunbond fabric in a hot rolling mode.
The washable nano material is prepared by adopting an electrospinning mode by adopting a polyethylene oxide three-dimensional polymer nanofiber membrane (application number: 201710082430.6) developed by a teaching team of Korean scientific and technical institute gold.
The polyester/viscose needled 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 polyester/viscose needled composite fiber web layer 13 adopts a 3D three-dimensional compression roller to form a 3D three-dimensional embossing with an elliptic concave-convex structure, and the convex structure is close to the oral cavity, wherein the roller temperature of the embossing roller is 130-135 ℃, the roller temperature of the smooth roller is 125-130 ℃, specifically, the roller temperature of the embossing roller in the embodiment is 133 ℃, and the roller temperature of the smooth roller is 128 ℃.
The viscose fiber net layer in the polyester/viscose needle punched composite fiber net layer 13 is subjected to hydrophilic finishing, and relevant technological parameters during hydrophilic finishing are as follows: JL-18 hydrophilic finishing agent 19g/L, compression roller pressure 2.75Pa, temperature 160 ℃ and vehicle speed 22m/min.
The polyester/viscose needle punched composite fiber web layer 13 is formed by overlapping a single-layer viscose fiber web and a single-layer polyester fiber web, the overlapped double-layer fiber web is prepared by adopting a needle punched non-woven production process, and the process comprises opening a bag, opening, carding, cross lapping, pre-needling and main needling, wherein the main needling frequency is 19Hz, and the main needling output frequency is 6.2Hz;
the carding process of the polyester fiber net comprises the following steps: feeding speed is 0.25m/min, cotton feeding speed is 0.74m/min, and mess speed is 17.15m/min;
the pre-needling reinforcement process of the polyester fiber net comprises the following steps: the needling 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/cm 2 ；
The carding process of the viscose fiber net comprises the following steps: feeding speed is 0.27m/min, cotton feeding speed is 0.85m/min, and mess speed is 17.85m/min;
the pre-needling reinforcement process of the viscose fiber net comprises the following steps: needle implantation density 3400 pieces/m, needling frequency 13Hz, cloth penetration speed 0.8m/min, needling depth 5mm, needling density 400 times/cm 2 。
Example 3
As shown in fig. 1-2, the one-way moisture-conducting antibacterial mask comprises a mask body 1 and a hanging lug 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 needle-punched composite fiber net layer 13 from outside to inside, and the polyester/viscose needle-punched composite fiber net layer 13 is formed by compounding a single-layer viscose fiber net and a single-layer polyester fiber net, wherein the polyester fiber net layer is close to an oral cavity.
The warp yarn of the cotton blended antibacterial layer 11 adopts 16.5tex chitin fiber/alginate fiber/mulberry fiber 40/30/30 blended antibacterial yarn, and the weft yarn adopts all-cotton yarn with fineness of 18.2 tex.
The preparation of the cotton blended antibacterial layer 11 comprises the following steps:
i warp yarn
(1) Preparation of blended antibacterial yarn
a. Mixing cotton bales according to the wet weight blending ratio of the chitin fiber of 38%, the wet weight blending ratio of the alginate fiber of 29% and the wet weight blending ratio of the mulberry fiber of 33%;
b. according to the process parameters of raw sliver quality ration 21.5g/5m, cylinder speed 330r/min, doffer speed 30.4r/min, licker-in speed 800r/min, tin Lin cover plate gauge of 0.20mm, 0.15mm and 0.20mm, licker-in-cylinder gauge of 0.16mm and tin Lindao f gauge of 0.13mm, cotton carding treatment is carried out;
c. a head drawing step is carried out by pressing the rollers with the drying speed of 19.8g/5m, the front roller speed of 252.8r/min, the combining number of 6 rollers, the drafting of 5.805 times, the back zone drafting of 1.03 times and the roller pressing of 240N multiplied by 340N multiplied by 370N;
d. a second doubling step was performed by pressurizing the rollers at a 20.91g/5m yarn speed, a 252.8r/min front roller speed, a 6-root doubling number, a 5.904-fold draft, and a 1.06-fold rear zone draft 240 N.times.340 N.times.370N;
e. according to the 20.11g/5m drying speed, the 252.8r/min front roller speed, the 8-root merging number, the 5.904-time drafting, the 1.06-time rear zone drafting and the 240N multiplied by 340N multiplied by 370N roller pressurizing to perform three merging procedures;
(2) Warp spooling, wherein the winding density of the bobbin is 0.35g/cm 3 ；
(3) Warp beaming: tension coefficient 3, warping speed is 600m/min;
(4) Warp sizing: the temperature of the sizing tank is 95 ℃, the relative viscosity of the sizing tank is 7s, the sizing speed is 40m/min, the pH value of the sizing tank is 7, and the sizing rate is 15%;
(5) Reeding: two warps are inserted into each reed, and a drafting mode of penetrating 1,2,1 and 2 heald frames sequentially is adopted; II, weft yarn
(1) The weft yarn is selected from all-cotton yarns with fineness of 18.2 tex;
(2) Weft yarn twist: the yarn steaming process temperature is 85 ℃, the relative humidity is 100%, the heating time is 1.5h, and the setting time and the heating time are 5h;
III, weaving
(1) Weaving the warp yarns and the weft yarns on a loom according to a plain weave of one to the next, selecting two heald frames, and adopting a reed two-in drafting mode, as shown in figures 3-5;
(2) After the fabric is taken off the machine, checking and grading the grey cloth after the machine is taken off, marking the weaving defects, trimming the checked defects in the subsequent grey cloth trimming process, and then warehousing.
The fineness of the chitin fiber is 2.2dtex, and the length of the chitin fiber is 38mm; the fiber fineness of the alginate fibers is 2.78dtex, and the fiber length is 38mm; the fineness of the mulberry bark fiber is 2.65dtex, and the fiber length is 22mm.
Pretreating chitin fibers and alginate fibers in the warp yarns, wherein CBAK-50 antistatic agent with the feeding amount of 0.4% and HY & HM nonionic emulsifying oil with the feeding amount of 1.3% are adopted in the pretreatment.
The washable nano material layer 12 is made of non-woven fabric covered with nano film material, nano fibers of the nano film material are vertically crossed and aligned in a row, a three-dimensional high polymer nano fiber film with adjustable air hole size and air hole degree 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 a single-layer polypropylene spunbonded fabric, wherein the raw materials are selected from fibers with the fineness of more than 25 mu m for production, and the gram weight of the product is 15g/m 2 The non-woven fabric has light density, large fabric porosity, coarse fiber, reduced air permeation resistance and good air permeability, and the nano film is covered on the single-layer polypropylene spunbond fabric in a hot rolling mode.
The washable nano material is prepared by adopting an electrospinning mode by adopting a polyethylene oxide three-dimensional polymer nanofiber membrane (application number: 201710082430.6) developed by a teaching team of Korean scientific and technical institute gold.
The polyester/viscose needled composite fiber web 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 38mm.
The polyester/viscose needled composite fiber web layer 13 adopts a 3D three-dimensional compression roller to form a 3D three-dimensional embossing with an elliptic concave-convex structure, and the convex structure is close to the oral cavity, wherein the roller temperature of the embossing roller is 130-135 ℃, the roller temperature of the smooth roller is 125-130 ℃, and specifically, the roller temperature of the embossing roller in the embodiment is 135 ℃ and the roller temperature of the smooth roller is 130 ℃.
The viscose fiber net layer in the polyester/viscose needle punched composite fiber net layer 13 is subjected to hydrophilic finishing, and relevant technological parameters during hydrophilic finishing are as follows: JL-18 hydrophilic finishing agent 20g/L, compression roller pressure 2.85Pa, temperature 170 ℃ and vehicle speed 23m/min.
The polyester/viscose needle punched composite fiber web layer 13 is formed by overlapping a single-layer viscose fiber web and a single-layer polyester fiber web, the overlapped double-layer fiber web is prepared by adopting a needle punched non-woven production process, and the process comprises opening a bag, opening, carding, cross lapping, pre-needling and main needling, wherein the main needling frequency is 20Hz, and the main needling output frequency is 7.5Hz;
the carding process of the polyester fiber net comprises the following steps: feeding speed is 0.25m/min, cotton feeding speed is 0.83m/min, and mess speed is 17.24m/min;
the pre-needling reinforcement process of the polyester fiber net comprises the following steps: the needling 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/cm 2 ；
The carding process of the viscose fiber net comprises the following steps: feeding speed is 0.28m/min, cotton feeding speed is 0.89m/min, and mess speed is 18.27m/min;
the pre-needling reinforcement process of the viscose fiber net comprises the following steps: the needling 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/cm 2 ；
The filtering efficiency of the mask before and after washing is respectively tested according to the washable performance of the mask, the test results are shown in table 1, and the mask is prepared according to the national standard GB19083-2010 technical requirement of medical protective mask:
test instrument: TSI8130 automatic filter tester.
The test conditions are that the relative humidity of sodium chloride aerosol is 30 percent plus or minus 10 percent, and the temperature is 25 ℃ plus or minus 5 ℃; the median diameter of the particles is 0.075 mu m plus or minus 0.020 mu m; 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/m 3 。
TABLE 1 mask filtration efficiency test results for examples 1-3
As can be seen from Table 1, the mask of the present application has a filtration efficiency of 97% or more before washing with water, and a filtration efficiency of 95% after washing with water for 5 times, which meets the requirement that the filtration efficiency of the medical mask should be 95%.
The mask in example 1 of the present application was tested for one-way moisture-guiding performance using the national standard GB/T21655.2-2009, and the results are shown in table 2:
table 2 the one-way moisture permeability test result of the mask in example 1 of the present invention
Detecting items Project description National standard requirements Actual measurement value Evaluation
One-way moisture guiding performance (before washing) One-way transmission index ≥200 244.6 Compliance with
One-way moisture guiding performance (after 5 times washing) One-way transmission index ≥200 234.7 Compliance with
From table 2, it can be seen that the mask of embodiment 1 of the present application has a unidirectional moisture-guiding index exceeding the national standard requirements before and after washing, which indicates that the mask of the present application has a certain unidirectional moisture-guiding performance.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention. Any simple modification, variation and equivalent variation of the above embodiments according to the present invention still fall within the scope of the technical solution of the present invention.

Claims (7)

1. The unidirectional moisture-conducting antibacterial mask comprises a mask body (1) and a hanging lug part (2) for fixing the mask body (1), and is characterized in that the mask body (1) sequentially comprises a cotton blended antibacterial layer (11), a washable nano material layer (12) and a polyester/viscose needle-punched composite fiber net layer (13) from outside to inside, wherein the polyester/viscose needle-punched 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 an oral cavity;
the warp yarn of the cotton blended antibacterial layer (11) adopts chitin fiber-alginate fiber-mulberry fiber blended antibacterial yarn with fineness of 14.5-16.5 tex, and the weft yarn adopts all-cotton yarn with fineness of 16.2-18.2 tex;
the 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;
the polyester/viscose needled composite fiber net layer (13) is provided with 3D three-dimensional embossing with concave-convex structures, and the convex structures are close to the oral cavity.
2. The unidirectional moisture-conducting antibacterial mask according to claim 1, wherein the preparation of the cotton blended antibacterial layer (11) comprises the following steps:
i warp yarn
(1) Preparation of blended antibacterial yarn
a. Mixing cotton bales according to the wet weight blending ratio of the chitin fiber of 33% -38%, the wet weight blending ratio of the alginate fiber of 24% -29% and the wet weight blending ratio of the mulberry fiber of 28% -33%;
b. according to the process parameters of raw sliver quality ration of 19.5-21.5 g/5m, cylinder speed of 310-330 r/min, doffer speed of 28.6-30.4 r/min, licker-in speed of 600-800 r/min, cylinder-cover plate gauge of 0.10-0.20 mm, 0.08-0.15 mm, 0.10-0.20 mm, licker-in-cylinder gauge of 0.09-0.16 mm and cylinder-doffer gauge of 0.06-0.13 mm, cotton carding treatment is carried out;
c. the method comprises the steps of carrying out head merging by pressing rollers with a drying speed of 18.5-19.8 g/5m, a front roller speed of 248.6-252.8 r/min, a merging number of 4-6, a drafting of 4.868-5.805 times, a back zone drafting of 0.95-1.03 times and a roller pressurizing of 200-240N multiplied by 300-340N multiplied by 340-370N;
d. carrying out a secondary merging process by pressurizing rollers with a drying speed of 19.58-20.91 g/5m, a front roller speed of 248.6-252.8 r/min, a merging number of 4-6, a drafting of 4.895-5.904 times, a rear zone drafting of 0.98-1.06 times and a roller compression of 200-240N multiplied by 300-340N multiplied by 330-370N;
e. according to the yarn evenness speed of 19.28-20.11 g/5m, the front roller speed of 245.6-252.8 r/min, the combination number of 6-8, the drafting of 4.865-5.904 times, the back zone drafting of 0.94-1.06 times, and the roller pressurizing of 200-240N multiplied by 300-340N multiplied by 330-370N for three combining steps;
(2) Winding the warp, namely, the winding density of the bobbin is 0.30-0.35 g/cm;
(3) Warp beaming: the tension coefficient is 2-3, and the warping speed is 500-600 m/min;
(4) Warp sizing: the temperature of the sizing tank is 93-95 ℃, the relative viscosity of the sizing tank is 6-7 s, the sizing speed is 38-40 m/min, the pH value of the sizing tank is 6-7, and the sizing rate is 13-15%;
(5) Reeding: two warps are inserted into each reed, and a drafting mode of penetrating 1,2,1 and 2 heald frames sequentially is adopted;
II, weft yarn
(1) The weft yarn is made of all-cotton yarns with fineness of 18.0-18.2 tex;
(2) Weft yarn twist: the yarn steaming process temperature is 83-85 ℃, the relative humidity is 98% -100%, the heating time is 1-1.5h, and the setting time and the heating time are 5h;
III, weaving
(1) Weaving warp yarns and weft yarns on a loom according to a plain weave of one upper loom and one lower loom, selecting two heald frames, and adopting a reed two-in drafting mode;
(2) After the fabric is taken off the machine, checking and grading the grey cloth after the machine is taken off, marking the weaving defects, trimming the checked defects in the subsequent grey cloth trimming process, and then warehousing.
3. The unidirectional moisture-conducting antibacterial mask of claim 1, wherein the chitin fibers have a fiber fineness of 2.1-2.2 dtex and a fiber length of 36-38 mm; the fiber fineness of the alginate fibers is 2.56-2.78 dtex, and the fiber length is 36-38 mm; the fineness of the mulberry fibers is 2.54-2.65 dtex, and the fiber length is 20-22 mm.
4. The unidirectional moisture-conducting antibacterial mask according to claim 1, wherein chitin fibers and alginate fibers in the warp yarns are pretreated, and antistatic agent with a feeding amount of 0.3% -0.4% and nonionic emulsifying oil with a feeding amount of 1.0% -1.3% are added during pretreatment.
5. The unidirectional moisture-conducting antibacterial mask according to claim 1, wherein the polyester fibers in the polyester/viscose needled composite fiber mesh layer (13) have a fiber fineness of 1.52-1.67 dtex, a fiber length of 36-38 mm, and viscose fibers have a fiber fineness of 1.52-1.67 dtex and a fiber length of 36-38 mm.
6. The unidirectional moisture-conducting antibacterial mask according to claim 1, wherein the viscose fiber net layer in the polyester/viscose needle punched composite fiber net layer (13) is subjected to hydrophilic finishing, and the relevant technological parameters during hydrophilic finishing are as follows: 18-20 g/L of hydrophilic finishing agent, 2.65-2.85 Pa of pressure of a press roller, 150-170 ℃ of temperature and 21-23 m/min of speed.
7. The unidirectional moisture-conducting antibacterial mask according to claim 1, wherein the polyester/viscose needled composite fiber net layer (13) is formed by overlapping a single-layer viscose fiber net and a single-layer polyester fiber net, the overlapped double-layer fiber net is prepared by adopting a needled non-woven production process, and the process comprises opening, 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 net comprises the following steps: feeding speed is 0.2-0.25 m/min, cotton feeding speed is 0.63-0.83 m/min, and mess speed is 16.65-17.24 m/min;
the pre-needling reinforcement process of the polyester fiber net comprises the following steps: the needling density is 3600-3800 pieces/m, the needling frequency is 15-16 Hz, the cloth feeding speed is 0.6-0.8 m/min, the needling depth is 4-6 mm, and the needling density is 488-523 times/cm 2 ；
The carding process of the viscose fiber net comprises the following steps: feeding speed is 0.26-0.28 m/min, cotton feeding speed is 0.75-0.89 m/min, and cluttering speed is 17.55-18.27 m/min;
the pre-needling reinforcement process of the viscose fiber net comprises the following steps: the needling density is 3300-3500 pieces/m, the needling frequency is 12-14 Hz, the cloth feeding speed is 0.7-0.9 m/min, the needling depth is 4-6 mm, and the needling density is 398-486 times/cm 2 。
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