CN112056652B - Multifunctional protective mask - Google Patents

Multifunctional protective mask Download PDF

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Publication number
CN112056652B
CN112056652B CN202010951761.0A CN202010951761A CN112056652B CN 112056652 B CN112056652 B CN 112056652B CN 202010951761 A CN202010951761 A CN 202010951761A CN 112056652 B CN112056652 B CN 112056652B
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speed
fiber
antibacterial
yarn
cotton
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CN112056652A (en
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朱丹丹
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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
    • 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
    • A41D13/1161—Means for fastening to the user's head
    • 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
    • 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
    • A41D31/305—Antimicrobial, e.g. antibacterial using layered materials
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41F—GARMENT FASTENINGS; SUSPENDERS
    • A41F17/00—Means for holding-down garments
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H43/00—Other methods, machines or appliances
    • A41H43/04—Joining garment parts or blanks by gluing or welding ; Gluing presses
    • 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
    • D04H1/4326—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
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
    • D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2200/00—Components of garments
    • A41D2200/10—Belts
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2300/00—Details of garments
    • A41D2300/30—Closures
    • A41D2300/322—Closures using slide fasteners
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2300/00—Details of garments
    • A41D2300/30—Closures
    • A41D2300/33—Closures using straps or ties
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2400/00—Functions or special features of garments
    • A41D2400/80—Friction or grip reinforcement
    • A41D2400/82—Friction or grip reinforcement with the body of the user
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2500/00—Materials for garments
    • A41D2500/50—Synthetic resins or rubbers
    • A41D2500/52—Synthetic resins or rubbers in sheet form
    • 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)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The invention relates to a mask, in particular to a multifunctional protective mask. The multifunctional protective mask comprises a mask body and a hanging lug part for fixing the mask body, wherein the mask body sequentially comprises an inner layer, an intermediate layer and a surface layer from inside to outside, the inner layer is made of all-cotton antibacterial woven plain cloth, the intermediate layer is made of activated carbon cloth, the surface layer is made of three-proofing antibacterial woven fabric, a replaceable filter disc is arranged between the surface layer and the intermediate layer, and the filter disc is made of melt-blown cloth with a filtering effect of more than 95%. The multifunctional protective mask disclosed by the invention has the advantages of good air permeability and high protective performance, can be rapidly produced, can be used for effectively and physically isolating water-based particles, oily particles, blood and the like, can be used for comprehensively protecting a respiratory system, is convenient to replace a filter disc, is better to recycle, and has high durability.

Description

Multifunctional protective mask
Technical Field
The invention relates to a mask, in particular to a multifunctional protective mask.
Background
Medical masks are increasingly demanded in the past, the global demand is still high, and the supply is seriously insufficient. The traditional mask protection is to prevent bacteria and virus adhesion particles in air from entering human respiratory tract, the principle is that melt-blown cloth is subjected to electrostatic adsorption, and as the moisture breathed out by human body increases, the static on non-woven fabrics gradually disappears, so that the adsorption function is lost, the effective use time is not long, water washing and disinfection can not be carried out, and the mask can only be used as a disposable mask, and the service life is short. The disposable mask is made of several materials: non-woven fabric mask, paper mask, and activated carbon mask. The multiple-use mask is mainly cotton gauze mask or all cotton mask. The traditional protective mask is not required, and most of the masks have short service lives and cannot be recycled. It is necessary to design a protective mask which can be recycled and is convenient for exporting and assisting other countries.
Disclosure of Invention
The invention aims to solve the technical problem of providing a multifunctional protective mask aiming at the defects of the prior art. The multifunctional protective mask disclosed by the invention has the advantages of good air permeability and high protective performance, can be rapidly produced, can be used for effectively and physically isolating water-based particles, oily particles, blood and the like, can be used for comprehensively protecting a respiratory system, is convenient to replace a filter disc, is better in recycling, and has high durability and can be recycled.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a multi-functional protective mask, includes the gauze mask body and is used for the hangers portion of fixed gauze mask body, the gauze mask body includes inlayer, intermediate level and surface course from interior to exterior in proper order, and wherein the inlayer adopts all-cotton antibiotic shuttle to weave plain cloth, and the intermediate level adopts activated carbon cloth, and the surface course adopts three proofings antibiotic shuttle to weave the surface fabric, be provided with the replaceable filter piece between surface course and the intermediate level, the filter piece adopts the melt-blown cloth that the filter effect is greater than 95%.
The middle layer activated carbon cloth takes terylene short fiber with fineness of 1-1.5dtex and length of 35-38mm as a raw material; the warp yarn of the three-proofing antibacterial woven fabric of the surface layer is all-cotton yarn, and the weft yarn is blended antibacterial yarn of chitin fiber, seaweed fiber and mulberry fiber.
The face layer of the mask body is provided with a zipper, and the joint of the zipper and the face layer is treated by adopting a glue pressing process.
The outer lane of gauze mask body adopts the antibiotic shuttle of surface course three proofings fabric to bind, and the upper and lower tang department is beaten the socket and is fixed, and the inside nose that is used for laminating gauze mask body to the person's of wearing that is provided with of binding presss from both sides.
The hanging part comprises an ear belt and a silica gel adjusting buckle for adjusting the tightness of the ear belt.
The preparation of the surface layer three-proofing antibacterial woven fabric comprises the following steps:
i warp yarn
(1) Yarn selection: the warp yarn is selected from 40-45s cotton yarn, and is subjected to meridian yarn, double twisting, shaping, slitting, warping and reed threading treatment for standby;
II, weft yarn
(2) Yarn selection: the weft yarn is a blended antibacterial yarn of 14.5-16.5tex chitin fiber, alginate fiber and Sang Piqian dimension;
(2.1) selection of fibers: selecting chitin fiber with fiber fineness of 1.8-2.2dtex and fiber length of 35-38 mm; selecting alginate fibers with fiber fineness of 2.6-2.78dtex and fiber length of 36-38mm and mulberry fibers with fiber fineness of 2.6-2.65dtex and fiber length of 20-22 mm;
(2.2) pretreatment of fibers: pretreating chitin fiber and alginate fiber by using antistatic agent with a feeding amount of 0.3% -0.4% and emulsifying oil with a feeding amount of 1.1% -1.3%;
(2.3) preparation of antibacterial yarn
a. Mixing cotton bales according to the wet weight blending ratio of 33% -38% of chitin fiber, 27% -31% of alginate fiber and 28% -36% of mulberry fiber;
b. according to the technological parameters of raw sliver quality ration of 20.5-21.5g/5m, cylinder speed of 310-330r/min, doffer speed of 28.4-30.4r/min, licker-in speed of 700-800r/min, cylinder-cover plate gauge of 0.1-0.2mm, 0.1-0.20mm, 0.1-0.15mm, 0.1-0.20mm, licker-in-cylinder gauge of 0.14-0.16mm and cylinder-doffer gauge of 0.1-0.13mm, cotton carding process is carried out;
c. the head merging process is carried out by pressing the rollers with the drying speed of 19.3-19.8g/5m, the front roller speed of 242.8-252.8r/min, the merging number of 4-6 roots, the drafting of 3.585-5.805 times, the back zone drafting of 0.95-1.03 times and the roller pressing of 200-240N multiplied by 300-340N multiplied by 330-370N;
d. the second merging process is carried out by pressurizing the rollers with the drying speed of 19.83-20.91g/5m, the front roller speed of 245.8-252.8r/min, the merging number of 4-6, the drafting of 4.694-5.904 times, the rear zone drafting of 0.94-1.06 times and the roller compression of 200-240N multiplied by 300-340N multiplied by 330-370N;
e. according to the yarn evenness speed of 19.52-20.11g/5m, the front roller speed of 348.4-252.8r/min, the combination number of 6-8, the drafting of 4.694-5.904 times, the rear 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 doubling procedures;
III, woven fabric weaving process
(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 warehousing;
IV, three-proofing finishing of woven fabric
(1) Three-proofing process treatment: padding and finishing the woven fabric in a three-proofing finishing agent, and drying, baking and cooling to obtain the fabric with waterproof, oil-proof and antifouling properties, wherein the related technological parameters are as follows:
three-proofing finishing agent: 20-40g/L;
pH value: 5-6;
catalyst: 1-2g/L;
rolling surplus rate: 65% -75%;
drying temperature: 90-110 ℃;
baking temperature: 150-170 ℃;
baking time: 40-60s;
(2) Antibacterial finishing of the woven fabric: padding and finishing the three-proofing fabric in an antibacterial agent, and drying, baking and cooling to obtain the fabric with an antibacterial function, wherein the related technological parameters are as follows:
antimicrobial AG300:10-20g/L;
crosslinking agent: 2-3g/L;
pH value: 7-8;
rolling surplus rate: 65% -75%;
drying temperature: 100-120 ℃;
baking temperature: 170-190 ℃;
baking time: 140-160s.
The preparation of the middle-layer activated carbon cloth comprises the following steps:
(1) Raw material selection: selecting terylene short fiber with fineness of 1-1.5dtex and length of 36-38mm as raw material;
(2) Carding and forming: carding and forming a net after opening and impurity removal of the polyester staple fibers, wherein the related technological parameters are as follows: the fine opening feeding speed is 0.15-0.25m/min, the cotton box feeding speed is 0.15-0.25m/min, the doffer speed is 23.52-24.73m/min, the cluttering speed is 15.86-16.35m/min, the cotton feeding speed is 0.58-0.73m/min, the lapping inclined curtain speed is 12.98-13.86m/min, the pulley speed is 8.96-9.58m/min, and the bottom curtain output speed is 0.96-1.02m/min;
(3) Pre-needling reinforcement: pre-needling the fiber web, wherein the pre-needling reinforcement parameters are needling density 4000-4500 pieces/m, needling frequency 16-18Hz, cloth feeding speed 0.8-1m/min, needling depth 4-6mm, and needling density 480-486 times/square centimeter;
(4) Web impregnation: immersing the fiber net after pre-needling reinforcement in an impregnating solution, removing the impregnating solution and drying, firstly raising the temperature from 0 ℃ to 150 ℃ at the speed of 5 ℃/min, then lowering the temperature from 150 ℃ to 0 ℃ at the speed of 5 ℃/min, and then raising the temperature from 0 ℃ to 140 ℃ at the speed of 5 ℃/min, wherein the mass ratio of the activated carbon to the impregnating solution is 1:25-1:15.
the preparation of the inner layer all-cotton antibacterial woven plain cloth comprises the following steps:
(1) The all-cotton woven plain fabric is subjected to antibacterial finishing through padding technology, and is dried, baked and cooled to obtain the all-cotton antibacterial woven plain fabric, wherein the technological parameters during antibacterial finishing are as follows:
antibacterial agent: 10-20g/L;
crosslinking agent: 2-3g/L;
pH value: 7-8;
rolling surplus rate: 65% -75%;
drying temperature: 100-120 ℃;
baking temperature: 170-190 ℃;
baking time: 140-160s.
Compared with the prior art, the invention has the following advantages:
1. because of the appearance of new coronaviruses, the mask can be produced rapidly, the common mask can be upgraded to the mask meeting the medical performance at any time through the replaceable filter sheet (the melt-blown cloth inserting sheet of the medical standard), the filter sheet is replaced conveniently and better for recycling, and the mask body has high durability and can be recycled.
2. The mask body is of a three-layer structure, the first layer adopts three-proofing antibacterial cotton polyester cloth, the second layer adopts active carbon filter cloth, the third layer adopts antibacterial all-cotton cloth, the mask can filter particles with the size of more than 0.3 mu m, the filtering effect is 99%, the ventilation effect is better during breathing, the filtering efficiency is high, ventilation and wearing are comfortable, the mask body is foldable and convenient to carry, the fabric can be effectively and physically isolated from water-based particles, oily particles, blood and the like, has lasting protective power, and can comprehensively protect a respiratory system.
3. The mask disclosed by the invention is designed to be fit with the curve of the face, and is good in air permeability and high in protective performance.
4. The seam between the surface layer of the mask body and the zipper is treated by adopting a glue pressing process, and the glue film is heated and directly pressed on the seam, so that water can be prevented from entering from needle eyes, glue pressing is smooth and tight, glue is uniformly applied, rainwater can be effectively prevented from penetrating from the seam, and lasting protection force is enhanced, so that the mask can be used as a protective medical mask to replace a filter chip.
Drawings
Fig. 1 is a schematic structural view of the multifunctional protective mask of the present invention.
Fig. 2 is an exploded view of the structure of the body of the multifunctional protective mask of the present invention.
Fig. 3 is a tissue diagram of the three-proofing antibacterial cotton polyester cloth of the multifunctional protective mask.
Fig. 4 is a pattern layout of the three-proofing antibacterial cotton polyester cloth of the multifunctional protective mask.
Fig. 5 is a reeding diagram of the three-proofing antibacterial cotton polyester cloth of the multifunctional protective mask of the invention
In the figure: 1-a mask body; 2-hanging an ear; 3-zippers; 4-nose clip; 1-1-inner layer; 1-2-an intermediate layer; 1-3-facing; 21-ear bands; 22-silica gel adjusting button.
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, the multifunctional protective 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 an inner layer 1-1, an intermediate layer 1-2 and a surface layer 1-3 from inside to outside, the inner layer 1-1 is made of all-cotton antibacterial woven plain cloth, the intermediate layer 1-2 is made of activated carbon cloth, the surface layer 1-3 is made of three-proofing antibacterial woven fabric, a replaceable filter disc is arranged between the surface layer 1-3 and the intermediate layer 1-2, and the filter disc is made of melt-blown cloth with a 96% filter effect.
The middle layer 1-2 activated carbon cloth takes terylene short fiber with fineness of 1dtex and length of 35mm as a raw material; the warp yarn of the surface layer 1-3 three-proofing antibacterial woven fabric is all-cotton yarn, and the weft yarn is blended antibacterial yarn of chitin fiber, alginate fiber and mulberry fiber.
The face layer 1-3 of the mask body 1 is provided with a zipper 3, and the joint of the zipper 3 and the face layer 1-3 is treated by adopting a glue pressing process.
The outer ring of the mask body 1 adopts a surface layer 1-3 three-proofing antibacterial woven fabric edging, the upper seam allowance and the lower seam allowance are fixed by punching, and a nose clip 4 used for being attached to the mask body 1 to the nose of a wearer is arranged in the edging.
The hanging part 2 comprises an ear belt 21 and a silica gel adjusting buckle 22 for adjusting the tightness of the ear belt 21.
The preparation of the surface layer 1-3 three-proofing antibacterial woven fabric comprises the following steps:
i warp yarn
(1) Yarn selection: the warp yarn is selected from 40s cotton yarn, and is subjected to meridian yarn, double twisting, shaping, sectional warping and reed threading treatment for standby;
II, weft yarn
(2) Yarn selection: the weft yarn is made of 14.5tex chitin fiber, seaweed fiber and mulberry fiber (40/30/30) blended antibacterial yarn, and the yarn has excellent antibacterial and bacteriostatic properties and is suitable for being used as antibacterial medical yarn;
(2.1) selection of fibers: selecting chitin fiber with fiber fineness of 1.8dtex and fiber length of 35 mm; selecting alginate fibers with fiber fineness of 2.6dtex and fiber length of 36mm and mulberry fibers with fiber fineness of 2.6dtex and fiber length of 20 mm;
(2.2) pretreatment of fibers: pretreating chitin fiber and alginate fiber by using antistatic agent (HKD-226 of Hangzhou chemical institute) with a dosage of 0.3% and emulsifying oil agent (HFAE 15-5 emulsifying oil) with a dosage of 1.1%;
(2.3) preparation of antibacterial yarn
a. Mixing cotton bales according to the wet weight blending ratio of the chitin fiber of 33%, the wet weight blending ratio of the alginate fiber of 31% and the wet weight blending ratio of the mulberry bark fiber of 36%;
b. according to the process parameters of 20.5g/5m of raw sliver stem ration, 310r/min of cylinder speed, 28.4r/min of doffer speed, 700r/min of licker-in speed, 0.1mm of cylinder-cover plate gauge, 0.1mm, 0.14mm of licker-in-cylinder gauge and 0.1mm of cylinder-doffer gauge, cotton carding process is carried out;
c. the head drawing process is carried out by pressurizing the rollers with the speed of 19.3g/5m, the speed of 242.8r/min of front roller, the combination number of 4 rollers, the drafting of 3.585 times, the drafting of 0.95 times of rear zone and 200N multiplied by 300N multiplied by 330N;
d. according to the drying speed of 19.83g/5m, the speed of a front roller of 245.8r/min, the combination number of 4 roots, 4.694 times of drafting, 0.94 times of rear zone drafting and the pressurizing of 200N multiplied by 300N multiplied by 330N rollers for carrying out a second combination process;
e. according to the yarn speed of 19.52g/5m, the speed of 348.4r/min of the front roller, the combining number of 6, the drafting of 4.694 times, the drafting of 0.94 times of the rear zone, and the pressurizing of 200N multiplied by 300N multiplied by 330N roller for three combining steps;
III, woven fabric weaving process
(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 warehousing;
IV, three-proofing finishing of woven fabric
(1) Three-proofing process treatment: padding and finishing the woven fabric in a three-proofing finishing agent, and drying, baking and cooling to obtain the fabric with waterproof, oil-proof and antifouling properties, wherein the related technological parameters are as follows:
three-proofing finishing agent: 20g/L;
pH value: 5, a step of;
catalyst: 2g/L;
rolling surplus rate: 70% of the total weight of the steel sheet;
drying temperature: 100 ℃;
baking temperature: 160 ℃;
baking time: 50s;
(2) Antibacterial finishing of the woven fabric: padding and finishing the three-proofing fabric in an antibacterial agent, and drying, baking and cooling to obtain the fabric with an antibacterial function, wherein the related technological parameters are as follows:
antimicrobial AG300:10g/L;
crosslinking agent TMPTMA:2g/L;
pH value: 7, preparing a base material;
rolling surplus rate: 70% of the total weight of the steel sheet;
drying temperature: 110 ℃;
baking temperature: 180 ℃;
baking time: 150s.
The preparation of the middle layer 1-2 activated carbon cloth comprises the following steps:
(1) Raw material selection: selecting terylene short fiber with fineness of 1dtex and length of 36mm as raw material;
(2) Carding and forming: after the polyester staple fibers are opened and decontaminated, carding and carding into a net by a BG218 double doffer mess carding machine, wherein the related technological parameters are as follows: the fine opening feeding speed is 0.15m/min, the cotton box feeding speed is 0.15m/min, the doffer speed is 23.52m/min, the clutching speed is 15.86m/min, the cotton feeding speed is 0.58m/min, the lapping inclined curtain speed is 12.98m/min, the pulley speed is 8.96m/min, and the bottom curtain output speed is 0.96m/min;
(3) Pre-needling reinforcement: pre-needling the fiber web by using a WFC100 needling machine, wherein the pre-needling reinforcement parameters are needling density 4000 pieces/m, needling frequency 16Hz, cloth feeding speed 0.8m/min, needling depth 4mm and needling density 480 times/square centimeter;
(4) Web impregnation: immersing the fiber net after pre-needling reinforcement in an impregnating solution, removing the impregnating solution and drying, firstly raising the temperature from 0 ℃ to 150 ℃ at the speed of 5 ℃/min, then lowering the temperature from 150 ℃ to 0 ℃ at the speed of 5 ℃/min, and then raising the temperature from 0 ℃ to 140 ℃ at the speed of 5 ℃/min, wherein the mass ratio of the activated carbon to the impregnating solution is 1:25, wherein the concentration of the adhesive is 1%, and the adhesive is 17-88 type polyvinyl alcohol powder;
the preparation of the inner layer 1-1 all-cotton antibacterial tatting plain cloth comprises the following steps:
(1) The all-cotton woven plain fabric is subjected to antibacterial finishing through padding technology, and is dried, baked and cooled to obtain the all-cotton antibacterial woven plain fabric, wherein the technological parameters during antibacterial finishing are as follows:
antimicrobial AG300:10g/L;
crosslinking agent TMPTMA:2g/L;
pH value: 7, preparing a base material;
rolling surplus rate: 70% of the total weight of the steel sheet;
drying temperature: 110 ℃;
baking temperature: 180 ℃;
baking time: 150s.
Example 2
The utility model provides a multi-functional protective mask, includes gauze mask body 1 and is used for fixed gauze mask body 1's hangers portion 2, gauze mask body 1 is from interior to exterior including inlayer 1-1, intermediate level 1-2 and surface course 1-3 in proper order, and wherein inlayer 1-1 adopts all-cotton antibiotic tatting plain cloth, and intermediate level 1-2 adopts active carbon cloth, and surface course 1-3 adopts three proofings antibiotic tatting fabric, be provided with the replaceable filter piece between surface course 1-3 and intermediate level 1-2, the filter piece adopts the melt-blown cloth that the filter effect is 96%.
The middle layer 1-2 activated carbon cloth takes terylene short fiber with fineness of 1.25dtex and length of 36mm as a raw material; the warp yarn of the surface layer 1-3 three-proofing antibacterial woven fabric is all-cotton yarn, and the weft yarn is blended antibacterial yarn of chitin fiber, alginate fiber and mulberry fiber.
The face layer 1-3 of the mask body 1 is provided with a zipper 3, and the joint of the zipper 3 and the face layer 1-3 is treated by adopting a glue pressing process.
The outer ring of the mask body 1 adopts a surface layer 1-3 three-proofing antibacterial woven fabric edging, the upper seam allowance and the lower seam allowance are fixed by punching, and a nose clip 4 used for being attached to the mask body 1 to the nose of a wearer is arranged in the edging.
The hanging part 2 comprises an ear belt 21 and a silica gel adjusting buckle 22 for adjusting the tightness of the ear belt 21.
The preparation of the surface layer 1-3 three-proofing antibacterial woven fabric comprises the following steps:
i warp yarn
(1) Yarn selection: the warp yarn is 42s cotton yarn, and is subjected to meridian yarn, double twisting, shaping, sectional warping and reed threading treatment for standby;
II, weft yarn
(2) Yarn selection: the weft yarn is made of 15.5tex chitin fiber, seaweed fiber and mulberry fiber (40/30/30) blended antibacterial yarn, and the yarn has excellent antibacterial and bacteriostatic properties and is suitable for being used as antibacterial medical yarn;
(2.1) selection of fibers: selecting chitin fiber with fiber fineness of 2.0dtex and fiber length of 36 mm; selecting alginate fibers with fiber fineness of 2.7dtex and fiber length of 37mm and mulberry fibers with fiber fineness of 2.62dtex and fiber length of 21 mm;
(2.2) pretreatment of fibers: pretreating chitin fiber and alginate fiber by using antistatic agent (HKD-226 of Hangzhou chemical institute) with a dosage of 0.35% and emulsifying oil agent (HFAE 15-5 emulsifying oil) with a dosage of 1.2%;
(2.3) preparation of 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 bark fiber of 33%;
b. according to the process parameters of raw sliver ration 21g/5m, cylinder speed 320r/min, doffer speed 29.4r/min, licker-in speed 750r/min, cylinder-cover gauge 0.15mm, licker-in-cylinder gauge 0.15mm and cylinder-doffer gauge 0.12mm, cotton carding process is carried out;
c. the head merging process is carried out by pressing the rollers with the drying speed of 19.5g/5m, the front roller speed of 246r/min, the merging number of 5 rollers, the drafting of 4.585 times, the rear zone drafting of 1.0 times and the roller pressing of 220N multiplied by 320N multiplied by 350N;
d. according to the 20g/5m evenness speed, 248.8r/min front roller speed, 5 merging numbers, 5 times drafting, 1.0 times rear zone drafting, 220N x 320N x 350N roller pressurizing to perform two merging processes;
e. according to the 20g/5m evenness speed, 350.4r/min front roller speed, 7 merging numbers, 5 times drafting and 1.0 time rear zone drafting, 220N x 320N x 350N roller pressurizing to perform three merging processes;
III, woven fabric weaving process
(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 warehousing;
IV, three-proofing finishing of woven fabric
(1) Three-proofing process treatment: padding and finishing the woven fabric in a three-proofing finishing agent, and drying, baking and cooling to obtain the fabric with waterproof, oil-proof and antifouling properties, wherein the related technological parameters are as follows:
three-proofing finishing agent: 30g/L;
pH value: 5, a step of;
catalyst: 2g/L;
rolling surplus rate: 70% of the total weight of the steel sheet;
drying temperature: 100 ℃;
baking temperature: 160 ℃;
baking time: 50s;
(2) Antibacterial finishing of the woven fabric: padding and finishing the three-proofing fabric in an antibacterial agent, and drying, baking and cooling to obtain the fabric with an antibacterial function, wherein the related technological parameters are as follows:
antimicrobial AG300:15g/L;
crosslinking agent TMPTMA:3g/L;
pH value: 7, preparing a base material;
rolling surplus rate: 70% of the total weight of the steel sheet;
drying temperature: 110 ℃;
baking temperature: 180 ℃;
baking time: 150s.
The preparation of the middle layer 1-2 activated carbon cloth comprises the following steps:
(1) Raw material selection: selecting terylene short fiber with fineness of 1.25dtex and length of 37mm as raw material;
(2) Carding and forming: after the polyester staple fibers are opened and decontaminated, carding and carding into a net by a BG218 double doffer mess carding machine, wherein the related technological parameters are as follows: the fine opening feeding speed is 0.20m/min, the cotton box feeding speed is 0.20m/min, the doffer speed is 24m/min, the clutching speed is 16m/min, the cotton feeding speed is 0.6m/min, the lapping inclined curtain speed is 13.48m/min, the pulley speed is 9.26m/min, and the bottom curtain output speed is 1.0m/min;
(3) Pre-needling reinforcement: pre-needling the fiber web by using a WFC100 needling machine, wherein the pre-needling reinforcement parameter is the needling density 4200 pieces/m, needling frequency 17Hz, the cloth penetration speed 0.9m/min, needling depth 5mm and needling density 482 times/square centimeter;
(4) Web impregnation: immersing the fiber net after pre-needling reinforcement in an impregnating solution, removing the impregnating solution and drying, firstly raising the temperature from 0 ℃ to 150 ℃ at the speed of 5 ℃/min, then lowering the temperature from 150 ℃ to 0 ℃ at the speed of 5 ℃/min, and then raising the temperature from 0 ℃ to 140 ℃ at the speed of 5 ℃/min, wherein the mass ratio of the activated carbon to the impregnating solution is 1:20, wherein the concentration of the adhesive is 1.5%, and the adhesive is 17-88 type polyvinyl alcohol powder;
the preparation of the inner layer 1-1 all-cotton antibacterial tatting plain cloth comprises the following steps:
(1) The all-cotton woven plain fabric is subjected to antibacterial finishing through padding technology, and is dried, baked and cooled to obtain the all-cotton antibacterial woven plain fabric, wherein the technological parameters during antibacterial finishing are as follows:
antimicrobial AG300:15g/L;
crosslinking agent TMPTMA:2.5g/L;
pH value: 7, preparing a base material;
rolling surplus rate: 70% of the total weight of the steel sheet;
drying temperature: 110 ℃;
baking temperature: 180 ℃;
baking time: 150s.
Example 3
The utility model provides a multi-functional protective mask, includes gauze mask body 1 and is used for fixed gauze mask body 1's hangers portion 2, gauze mask body 1 is from interior to exterior including inlayer 1-1, intermediate level 1-2 and surface course 1-3 in proper order, and wherein inlayer 1-1 adopts all-cotton antibiotic tatting plain cloth, and intermediate level 1-2 adopts active carbon cloth, and surface course 1-3 adopts three proofings antibiotic tatting fabric, be provided with the replaceable filter piece between surface course 1-3 and intermediate level 1-2, the filter piece adopts the melt-blown cloth that the filter effect is 96%.
The middle layer 1-2 activated carbon cloth takes terylene short fiber with fineness of 1.5dtex and length of 38mm as a raw material; the warp yarn of the surface layer 1-3 three-proofing antibacterial woven fabric is all-cotton yarn, and the weft yarn is blended antibacterial yarn of chitin fiber, alginate fiber and mulberry fiber.
The face layer 1-3 of the mask body 1 is provided with a zipper 3, and the joint of the zipper 3 and the face layer 1-3 is treated by adopting a glue pressing process.
The outer ring of the mask body 1 adopts a surface layer 1-3 three-proofing antibacterial woven fabric edging, the upper seam allowance and the lower seam allowance are fixed by punching, and a nose clip 4 used for being attached to the mask body 1 to the nose of a wearer is arranged in the edging.
The hanging part 2 comprises an ear belt 21 and a silica gel adjusting buckle 22 for adjusting the tightness of the ear belt 21.
The preparation of the surface layer 1-3 three-proofing antibacterial woven fabric comprises the following steps:
i warp yarn
(1) Yarn selection: the warp yarn is selected from 45s cotton yarn, and is subjected to meridian yarn, double twisting, shaping, sectional warping and reed threading treatment for standby;
II, weft yarn
(2) Yarn selection: the weft yarn is made of 16.5tex chitin fiber, seaweed fiber and mulberry fiber (40/30/30) blended antibacterial yarn, and the yarn has excellent antibacterial and bacteriostatic properties and is suitable for being used as antibacterial medical yarn;
(2.1) selection of fibers: selecting chitin fiber with fiber fineness of 2.2dtex and fiber length of 38 mm; selecting alginate fibers with fiber fineness of 2.78dtex and fiber length of 38mm and mulberry fibers with fiber fineness of 2.65dtex and fiber length of 22 mm;
(2.2) pretreatment of fibers: pretreating chitin fiber and alginate fiber by using antistatic agent (HKD-226 of Hangzhou chemical institute) with a dosage of 0.4% and emulsifying oil agent (HFAE 15-5 emulsifying oil) with a dosage of 1.3%;
(2.3) preparation of 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 27% and the wet weight blending ratio of the mulberry bark fiber of 35%;
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, cylinder-cover gauge 0.2mm, 0.20mm, 0.15mm, 0.20mm, licker-in-cylinder gauge 0.16mm and cylinder-doffer gauge 0.13mm, cotton carding process 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. according to the 20.91g/5m drying speed, the 252.8r/min front roller speed, the 6-root combining 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 a second combining process;
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;
III, woven fabric weaving process
(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 warehousing;
IV, three-proofing finishing of woven fabric
(1) Three-proofing process treatment: padding and finishing the woven fabric in a three-proofing finishing agent, and drying, baking and cooling to obtain the fabric with waterproof, oil-proof and antifouling properties, wherein the related technological parameters are as follows:
three-proofing finishing agent: 40g/L;
pH value: 6, preparing a base material;
catalyst: 2g/L;
rolling surplus rate: 70% of the total weight of the steel sheet;
drying temperature: 100 ℃;
baking temperature: 160 ℃;
baking time: 50s;
(2) Antibacterial finishing of polyester cotton fabrics: padding and finishing the three-proofing fabric in an antibacterial agent, and drying, baking and cooling to obtain the fabric with an antibacterial function, wherein the related technological parameters are as follows:
antimicrobial AG300:20g/L;
crosslinking agent TMPTMA:3g/L;
pH value: 8, 8;
rolling surplus rate: 70% of the total weight of the steel sheet;
drying temperature: 110 ℃;
baking temperature: 180 ℃;
baking time: 150s.
The preparation of the middle layer 1-2 activated carbon cloth comprises the following steps:
(1) Raw material selection: selecting terylene short fiber with fineness of 1.5dtex and length of 38mm as a raw material;
(2) Carding and forming: after the polyester staple fibers are opened and decontaminated, carding and carding into a net by a BG218 double doffer mess carding machine, wherein the related technological parameters are as follows: the fine opening feeding speed is 0.25m/min, the cotton box feeding speed is 0.25m/min, the doffer speed is 24.73m/min, the clutching speed is 16.35m/min, the cotton feeding speed is 0.73m/min, the lapping inclined curtain speed is 13.86m/min, the pulley speed is 9.58m/min, and the bottom curtain output speed is 1.02m/min;
(3) Pre-needling reinforcement: pre-needling the fiber web by using a WFC100 needling machine, wherein the pre-needling reinforcement parameters are that the needling density is 4500 pieces/m, the needling frequency is 18Hz, the cloth feeding speed is 1m/min, the needling depth is 6mm, and the needling density is 486 times per square centimeter;
(4) Web impregnation: immersing the fiber net after pre-needling reinforcement in an impregnating solution, removing the impregnating solution and drying, firstly raising the temperature from 0 ℃ to 150 ℃ at the speed of 5 ℃/min, then lowering the temperature from 150 ℃ to 0 ℃ at the speed of 5 ℃/min, and then raising the temperature from 0 ℃ to 140 ℃ at the speed of 5 ℃/min, wherein the concentration of the adhesive is 2%, and the mass ratio of the activated carbon to the impregnating solution is 1:15, the adhesive is 17-88 type polyvinyl alcohol powder;
the preparation of the inner layer 1-1 all-cotton antibacterial tatting plain cloth comprises the following steps:
(1) The all-cotton woven plain fabric is subjected to antibacterial finishing through padding technology, and is dried, baked and cooled to obtain the all-cotton antibacterial woven plain fabric, wherein the technological parameters during antibacterial finishing are as follows:
antimicrobial AG300:20g/L;
crosslinking agent TMPTMA:3g/L;
pH value: 8, 8;
rolling surplus rate: 70% of the total weight of the steel sheet;
drying temperature: 110 ℃;
baking temperature: 180 ℃;
baking time: 150s.
The three-proofing antibacterial woven fabric of example 1 of the present invention was evaluated, as shown in the following table 1, in which the waterproof performance was classified as 5 grades, with 5 grades being the best and 1 grade being the worst, according to the standard test of GB/T4745-1997 test for moisture resistance determination of surface moisture resistance of woven fabrics; the oil resistance is tested according to GB/T19977-2005 textile oil repellency and hydrocarbon resistance test, and is classified into 5 grades, wherein the 5 grades are the best and the 1 grade is the worst; the antifouling property is tested according to AATCC 130-2010 'method for testing soil release Property of textiles', and the antifouling property is classified into 5 grades, wherein 5 grades are the best and 1 grade is the worst.
Table 1 evaluation of three-proofing performance of the three-proofing antibacterial woven fabric in example 1
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As can be seen from the above table 1, the level of the water resistance, oil resistance and soil resistance of the surface layer 1-3 three-proofing antibacterial woven fabric in the embodiment 1 of the application only reaches 3.5 levels, and is lower than the three-proofing performance level of the fabric finished by the independent three-proofing method, because the three-proofing finishing agent is less in dosage in the experiment, the level of the water resistance, oil resistance and soil resistance of the fabric only reaches 3.5 levels, and the three-proofing finishing agent is excessive in dosage, so that the next antibacterial finishing can be influenced, and the antibacterial performance of the fabric is reduced. The three-proofing finishing agent is hydrocarbon resin, contains organic fluorine substances, and has lower surface energy after being finished by the water-proofing, oil-proofing and anti-fouling finishing agent, and can effectively prevent contamination caused by liquid adsorption of sweat, saliva, tea water and the like because the surface energy of the substance has non-sticky property (similar to the surface of lotus leaves).
The antibacterial performance of the fabric in the embodiment 1 of the application is detected by adopting an AATCCQ agar diffusion method, the polyester-cotton antibacterial fabric can inhibit the growth and reproduction of pneumobacilli in contact with the surface of the agar culture medium, and the antibacterial substances contained in the sample are dissolved out and diffused in the agar culture medium, so that a zone for inhibiting the growth of bacteria, namely a 'bacteriostasis ring', is formed around the sample, namely the sample has a certain antibacterial performance.
The foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the claims. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (6)

1. The multifunctional protective 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 an inner layer (1-1), an intermediate layer (1-2) and a surface layer (1-3) from inside to outside, wherein the inner layer (1-1) adopts all-cotton antibacterial woven plain cloth, the intermediate layer (1-2) adopts activated carbon cloth, the surface layer (1-3) adopts three-proofing antibacterial woven fabric, a replaceable filter disc is arranged between the surface layer (1-3) and the intermediate layer (1-2), and the filter disc adopts melt-blown cloth with a filter effect of more than 95%;
the middle layer (1-2) activated carbon cloth takes terylene short fiber with fineness of 1-1.5dtex and length of 35-38mm as a raw material; the warp yarn of the three-proofing antibacterial woven fabric of the surface layer (1-3) is all-cotton yarn, and the weft yarn is blended antibacterial yarn of chitin fiber, alginate fiber and mulberry fiber;
the preparation of the three-proofing antibacterial woven fabric of the surface layer (1-3) comprises the following steps:
i warp yarn
(1) Yarn selection: the warp yarn is selected from 40-45s cotton yarn, and is subjected to meridian yarn, double twisting, shaping, sectional warping and reed threading treatment for standby;
II, weft yarn
(2) Yarn selection: the weft yarn is a blended antibacterial yarn of chitin fiber, alginate fiber and mulberry fiber with the thickness of 14.5-16.5 tex;
(2.1) selection of fibers: selecting chitin fiber with fiber fineness of 1.8-2.2dtex and fiber length of 35-38 mm; selecting alginate fibers with fiber fineness of 2.6-2.78dtex and fiber length of 36-38mm and mulberry fibers with fiber fineness of 2.6-2.65dtex and fiber length of 20-22 mm;
(2.2) pretreatment of fibers: pretreating chitin fiber and alginate fiber by using antistatic agent with a feeding amount of 0.3% -0.4% and emulsifying oil with a feeding amount of 1.1% -1.3%;
(2.3) preparation of antibacterial yarn
a. Mixing cotton bales according to the wet weight blending ratio of 33% -38% of chitin fiber, 27% -31% of alginate fiber and 28% -36% of mulberry fiber;
b. according to the technological parameters of raw sliver quality ration of 20.5-21.5g/5m, cylinder speed of 310-330r/min, doffer speed of 28.4-30.4r/min, licker-in speed of 700-800r/min, cylinder-cover plate gauge of 0.1-0.2mm, 0.1-0.20mm, 0.1-0.15mm, 0.1-0.20mm, licker-in-cylinder gauge of 0.14-0.16mm and cylinder-doffer gauge of 0.1-0.13mm, cotton carding process is carried out;
c. the head merging process is carried out by pressurizing rollers with the speed of 19.3-19.8g/5m, the speed of 242.8-252.8r/min of front rollers, the merging number of 4-6 roots, the drafting of 3.585-5.805 times, the rear zone drafting of 0.95-1.03 times and the roller pressurizing of 200-240N multiplied by 300-340N multiplied by 330-370N;
d. the second merging process is carried out by pressurizing the rollers with the drying speed of 19.83-20.91g/5m, the front roller speed of 245.8-252.8r/min, the merging number of 4-6, the drafting of 4.694-5.904 times, the rear zone drafting of 0.94-1.06 times and the roller compression of 200-240N multiplied by 300-340N multiplied by 330-370N;
e. according to the yarn speed of 19.52-20.11g/5m, the front roller speed of 348.4-252.8r/min, the combination number of 6-8 roots, the drafting of 4.694-5.904 times, the rear zone drafting of 0.94-1.06 times, and the roller pressurizing of 200-240 Nx300-340 Nx330-370N, three combining procedures are carried out;
III, woven fabric weaving process
(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 warehousing;
IV, three-proofing finishing of woven fabric
(1) Three-proofing process treatment: padding and finishing the woven fabric in a three-proofing finishing agent, and drying, baking and cooling to obtain the fabric with waterproof, oil-proof and antifouling properties, wherein the related technological parameters are as follows:
three-proofing finishing agent: 20-40g/L;
pH value: 5-6;
catalyst: 1-2g/L;
rolling surplus rate: 65% -75%;
drying temperature: 90-110 ℃;
baking temperature: 150-170 ℃;
baking time: 40-60s;
(2) Antibacterial finishing of the woven fabric: padding and finishing the three-proofing fabric in an antibacterial agent, and drying, baking and cooling to obtain the fabric with an antibacterial function, wherein the related technological parameters are as follows:
antimicrobial AG300:10-20g/L;
crosslinking agent: 2-3g/L;
pH value: 7-8;
rolling surplus rate: 65% -75%;
drying temperature: 100-120 ℃;
baking temperature: 170-190 ℃;
baking time: 140-160s.
2. The multifunctional protective mask according to claim 1, wherein the surface layer (1-3) of the mask body (1) is provided with a zipper (3), and the seam between the zipper (3) and the surface layer (1-3) is treated by adopting a glue pressing process.
3. The multifunctional protective mask according to claim 1, wherein the outer ring of the mask body (1) is formed by edging a face layer (1-3) three-proofing antibacterial woven fabric, the upper and lower seam-tops are fixed by crimping, and a nose clip (4) for attaching the mask body (1) to the nose of a wearer is arranged in the edging.
4. The multifunctional protective mask according to claim 1, wherein the ear hanging part (2) comprises an ear strap (21) and a silica gel adjusting buckle (22) for adjusting the tightness of the ear strap (21).
5. The multifunctional protective mask according to claim 1, wherein the preparation of the intermediate layer (1-2) activated carbon cloth comprises the following steps:
(1) Raw material selection: selecting terylene short fiber with fineness of 1-1.5dtex and length of 36-38mm as raw material;
(2) Carding and forming: carding and forming a net after opening and impurity removal of the polyester staple fibers, wherein the related technological parameters are as follows: the fine opening feeding speed is 0.15-0.25m/min, the cotton box feeding speed is 0.15-0.25m/min, the doffer speed is 23.52-24.73m/min, the cluttering speed is 15.86-16.35m/min, the cotton feeding speed is 0.58-0.73m/min, the lapping inclined curtain speed is 12.98-13.86m/min, the pulley speed is 8.96-9.58m/min, and the bottom curtain output speed is 0.96-1.02m/min;
(3) Pre-needling reinforcement: pre-needling the fiber web, wherein the pre-needling reinforcement parameters are needling density 4000-4500 pieces/m, needling frequency 16-18Hz, cloth feeding speed 0.8-1m/min, needling depth 4-6mm, and needling density 480-486 times/square centimeter;
(4) Web impregnation: immersing the fiber net after pre-needling reinforcement in an impregnating solution, removing the impregnating solution and drying, firstly raising the temperature from 0 ℃ to 150 ℃ at the speed of 5 ℃/min, then lowering the temperature from 150 ℃ to 0 ℃ at the speed of 5 ℃/min, and then raising the temperature from 0 ℃ to 140 ℃ at the speed of 5 ℃/min, wherein the mass ratio of the activated carbon to the impregnating solution is 1:25-1:15.
6. the multifunctional protective mask according to claim 1, wherein the preparation of the inner layer (1-1) of all-cotton antibacterial woven plain cloth comprises the following steps:
(1) The all-cotton woven plain fabric is subjected to antibacterial finishing through padding technology, and is dried, baked and cooled to obtain the all-cotton antibacterial woven plain fabric, wherein the technological parameters during antibacterial finishing are as follows:
antibacterial agent: 10-20g/L;
crosslinking agent: 2-3g/L;
pH value: 7-8;
rolling surplus rate: 65% -75%;
drying temperature: 100-120 ℃;
baking temperature: 170-190 ℃;
baking time: 140-160s.
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