CN115044312A - EVA (ethylene-vinyl acetate) laminating self-adhesive seamless wall cloth and preparation method thereof - Google Patents

EVA (ethylene-vinyl acetate) laminating self-adhesive seamless wall cloth and preparation method thereof Download PDF

Info

Publication number
CN115044312A
CN115044312A CN202210675082.4A CN202210675082A CN115044312A CN 115044312 A CN115044312 A CN 115044312A CN 202210675082 A CN202210675082 A CN 202210675082A CN 115044312 A CN115044312 A CN 115044312A
Authority
CN
China
Prior art keywords
cloth
parts
fiber
rotating roller
eva
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210675082.4A
Other languages
Chinese (zh)
Other versions
CN115044312B (en
Inventor
房涛荣
刘钊
王旗
王宇镭
李凯
黄周勇
王辉
王盛盛
祁雅利
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Yakino Decorative Materials Co ltd
Original Assignee
Zhejiang Yakino Decorative Materials Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Yakino Decorative Materials Co ltd filed Critical Zhejiang Yakino Decorative Materials Co ltd
Priority to CN202210675082.4A priority Critical patent/CN115044312B/en
Publication of CN115044312A publication Critical patent/CN115044312A/en
Application granted granted Critical
Publication of CN115044312B publication Critical patent/CN115044312B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/20Adhesives in the form of films or foils characterised by their carriers
    • C09J7/21Paper; Textile fabrics
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00General methods for the manufacture of artificial filaments or the like
    • D01F1/02Addition of substances to the spinning solution or to the melt
    • D01F1/10Other agents for modifying properties
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/02Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/18Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from other substances
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00Woven fabrics designed to make specified articles
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/292Conjugate, i.e. bi- or multicomponent, fibres or filaments
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06BTREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B15/00Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
    • D06B15/005Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by squeezing, otherwise than by rollers
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06BTREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B15/00Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
    • D06B15/09Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by jets of gases
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06BTREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/10Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/002Coverings or linings, e.g. for walls or ceilings made of webs, e.g. of fabrics, or wallpaper, used as coverings or linings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/02Applications of driving mechanisms, not covered by another subclass
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/04Agitating, stirring, or scraping devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00Drying solid materials or objects by processes not involving the application of heat
    • F26B5/14Drying solid materials or objects by processes not involving the application of heat by applying pressure, e.g. wringing; by brushing; by wiping
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/10Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/12Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
    • C09J2301/122Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00Presence of inorganic and organic materials
    • C09J2400/20Presence of organic materials
    • C09J2400/26Presence of textile or fabric
    • C09J2400/263Presence of textile or fabric in the substrate
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention discloses EVA (ethylene-vinyl acetate) laminating self-adhesive seamless wall cloth and a preparation method thereof, wherein the EVA laminating self-adhesive seamless wall cloth comprises the following steps of mechanically crushing and grinding raw materials to prepare powder; pulverizing the air-dried pericarpium Citri Grandis and pericarpium Citri Tangerinae, sieving with a mesh sieve, adding ethanol solution, and stirring; adding sodium silicate, potassium silicate, calcium hydroxide, hydrogen peroxide, polyethylene and boric acid, stirring again to obtain a spinning solution, filtering the spinning solution, standing in vacuum for defoaming, then spinning and post-treating by using a conventional wet spinning method to obtain chemical fiber filaments, and weaving the chemical fiber filaments into cloth to obtain a surface material; the invention relates to the technical field of seamless wall cloth preparation, and discloses a deodorizing and mildew-proof surface material which is obtained by performing deodorizing and mildew-proof treatment on a surface material through treatment equipment. The EVA laminating self-adhesive seamless wall cloth and the preparation method thereof achieve the effects of removing odor and preventing mildew, can remove peculiar smell of the wall cloth, reduce the mildew, do not generate peculiar smell, are beneficial to ensuring the indoor environmental sanitation, are safe and reliable, and improve the service performance.

Description

EVA (ethylene-vinyl acetate) laminating self-adhesive seamless wall cloth and preparation method thereof
Technical Field
The invention relates to the technical field of seamless wall cloth preparation, in particular to EVA (ethylene vinyl acetate) laminating self-adhesive seamless wall cloth and a preparation method thereof.
Background
In building decoration, wall paper is usually adopted as a wall decoration material, so that the building decoration has the advantages of convenience, attractiveness, economy and practicability, and paper wall paper is usually adopted, and cotton spinning wall paper or plastic wall paper is also useful. The wall cloth is an indoor wall decoration material which is characterized by using materials, equipment and a process technique and combining colors and patterns, has infinite and rich expressive force and can simultaneously meet various individual aesthetic requirements and fashion requirements. Seamless wall cloth, it is according to the high design of indoor wall, can be according to the wall cloth that the whole subsides of perimeter of indoor wall. The seamless construction is integral construction, the shear can be fixed according to the perimeter of a room, the width of wall cloth is larger than or equal to the height of the room, and one room is pasted by one piece of cloth without splicing. With the improvement of living standard and living quality of people, the requirements of high living quality of people cannot be met, and the improvement of the performance of the wall cloth is urgently needed.
At present, when the existing wall cloth is prepared, the method is too simple, so that the wall cloth does not have a mildew-proof function, is easy to mildew, generates peculiar smell and influences the integral use of the wall cloth, the decorative effect of the wall cloth is reduced, and the use performance is reduced.
Disclosure of Invention
In order to solve the technical problems, the invention provides the EVA laminating self-adhesive seamless wall cloth and the preparation method thereof, and solves the problems that the existing wall cloth is too simple in preparation method, so that the wall cloth does not have a mildew-proof function, is easy to mildew, generates peculiar smell and affects the overall use of the wall cloth, the decorative effect of the wall cloth is reduced, and the use performance is reduced.
In order to achieve the purpose, the invention is realized by the following technical scheme: an EVA (ethylene-vinyl acetate) laminating self-adhesive seamless wall cloth comprises a surface material, a backing material and an adhesive layer between the backing materials;
the surface material comprises the following components in percentage by weight: 6-12 parts of soybean protein fiber, 3-5 parts of corn fiber, 2-4 parts of milk fiber, 10-15 parts of aloe fiber, 8-11 parts of bamboo charcoal fiber, 15-20 parts of nano-silver fiber, 14-18 parts of activated carbon fiber, 20-24 parts of shaddock peel, 12-16 parts of orange peel, 5-8 parts of medical stone, 3-6 parts of tourmaline, 7-10 parts of rutile, 2-8 parts of sodium silicate, 1-5 parts of potassium silicate, 4-9 parts of calcium hydroxide, 6-8 parts of hydrogen peroxide, 4-7 parts of polyethylene and 3-5 parts of boric acid.
A preparation method of EVA (ethylene vinyl acetate) laminating self-adhesive seamless wall cloth comprises the following steps:
grinding medical stone, tourmaline and rutile, sieving with a 10-mesh sieve, adding soybean protein fiber, corn fiber, milk fiber, aloe fiber, bamboo charcoal fiber, nano silver fiber and activated carbon fiber, and mechanically crushing and grinding under the action of pressure to obtain powder;
step two, crushing the air-dried shaddock peels and orange peels, sieving the crushed materials by using a sieve, adding an ethanol solution, and stirring the mixture; heating to 40-60 ℃, adding sodium silicate, potassium silicate, calcium hydroxide, hydrogen peroxide, polyethylene and boric acid, and stirring again to obtain a spinning stock solution;
step three, filtering the spinning solution, standing in vacuum for defoaming, then spinning and post-treating by using conventional wet spinning to obtain chemical fiber filaments, and weaving the chemical fiber filaments into cloth to obtain a surface material;
fourthly, performing odor and mildew removing treatment on the surface material through treatment equipment to obtain an odor and mildew removing surface material;
and step five, uniformly coating an adhesive on a backing material, attaching the odor-removing and mildew-proof surface material and the backing material under the action of pressure at the temperature of 30-40 ℃, keeping the drafting to enable the cloth to be flat, and drying to obtain the odor-removing and mildew-proof wall cloth, so that the peculiar smell of the wall cloth can be removed, the mildew occurrence situation is reduced, no peculiar smell is generated, the indoor environment sanitation is guaranteed, the safety and the reliability are realized, and the service performance is improved.
Preferably, the treatment equipment in the fourth step comprises a machine body, a cloth inlet is formed in one side of the top of the surface of the machine body, a cloth outlet is formed in one side of the top of the surface of the machine body, which is far away from the cloth inlet, a guide roller is arranged in the machine body and close to the cloth inlet, compression rollers are fixedly connected to the corresponding positions of the bottom of the inner wall of the machine body, a telescopic mechanism is fixedly connected to the top of the inner wall of the machine body, a cleaning device is fixedly connected to the output end of the telescopic mechanism, a drying mechanism is arranged in one side of the top of the inner wall of the machine body and close to the cloth outlet, a controller is arranged in one side of the top of the surface of the machine body, a protective door is arranged in the top of the surface of the machine body and close to the controller, cloth is input into the machine body from the cloth inlet and guided by the guide roller and then bypasses from the bottom of the compression rollers, passing through the cleaning device, the drying mechanism, and export from the cloth exit, stretch the cloth this moment, make the cloth keep smooth after the atress, pour into the mould inhibitor that removes flavor into bottom the inner wall of organism this moment, and make the liquid level surface of mould inhibitor that removes flavor not cross the compression roller, make the cloth that is in the compression roller position soak completely in removing flavor mould inhibitor, control the part through the controller this moment, along with the cloth is rolled up, at this moment will soak the cloth that removes flavor mould inhibitor through cleaning device, take out most moisture after, and then help the drying mechanism to dry the cloth fast, utilize the interrelation between the structure, drying efficiency has been promoted, reduce the stoving time, high working efficiency, safety and reliability, usability has been improved.
Preferably, cleaning device is including connecting the casing, the corresponding position in top and the bottom of connecting the casing has all been seted up and has been worn the mouth, the top and the bottom of connecting the casing and be close to the position of wearing the mouth and be provided with the backing roll, the surperficial one end fixedly connected with power unit of connecting the casing, the inside corresponding position of connecting the casing all is provided with water trap.
Preferably, the dewatering device comprises a rotating roller, the end part of the rotating roller is rotatably connected with the inner wall of the connecting shell, one end of the rotating roller penetrates through the inner wall of the connecting shell and extends to the outside of the connecting shell, one end of the rotating roller, which extends to the outside of the connecting shell, is fixedly connected with the output end of the power mechanism through a coupler, an extruding device is arranged on the surface of the rotating roller, an arc-shaped elastic sheet is fixedly connected between the surface of the extruding device and the two sides corresponding to the surface of the rotating roller, an elastic strip-shaped bag body is arranged between the surface of the extruding device and the two sides corresponding to the surface of the rotating roller and close to the arc-shaped elastic sheet, supporting rollers are arranged at symmetrical positions of the top and the bottom of the connecting shell, and then the cloth passing through the through opening is supported, so that the cloth is tensioned and the wrinkles are not easy to appear, and the power mechanism is used as power, with the live-rollers drive on the water trap, extrusion device also rotates along with this moment, and when the symmetrical extrusion device in both sides met, and then extrude the cloth, get rid of cloth surface adhesion's odor removal mould inhibitor moisture, and the surface edge one side that combines the stripper plate is articulated with the surface of live-rollers, and under the elastic action of arc flexure strip, combine effort and reaction force, make the arc flexure strip exert reverse elastic force to extrusion device, further promoted getting rid of moisture, can in time get rid of most moisture, utilize the interrelation between the structure, interact, multiple functions have been realized, safety and reliability, service performance is improved.
Preferably, the extrusion device is uniformly distributed on the surface of the rotating roller, and the arc-shaped elastic sheets are uniformly distributed between the surface of the extrusion device and two sides corresponding to the surface of the rotating roller.
Preferably, the extrusion device comprises an extrusion plate, one side of the surface edge of the extrusion plate is hinged with the surface of the rotating roller, a main air passage is arranged in the extrusion plate and close to the end part of the extrusion plate, the port of the main air passage is communicated with the air port of the elastic strip-shaped bag body, an air blowing hole is arranged in the extrusion plate and positioned on the surface of the extrusion plate, one end of the air blowing hole is communicated with the main air passage, a flexible wiping rod is fixedly connected with one side of the surface of the extrusion plate, when the extrusion plate is driven by the rotating roller to rotate, the flexible wiping rod rotates along with the extrusion plate, the cloth is squeezed by the flexible wiping rods with two symmetrical sides, a large amount of moisture of the odor removing and mildew preventing agent is removed, the flexible wiping rod is made of high-density sponge, the flexibility is good, and when the cloth is not contacted, the cloth is not easily scratched, and the protection effect is achieved, it is articulated simultaneously between stripper plate and the live-rollers, and when rotating, the symmetrical stripper plate in both sides can produce the pressing force, utilize the rotation of stripper plate, and then press elasticity bar utricule, the elasticity bar utricule that receives to press this moment is compressed, inside gas is rapidly through the transport of main airway, and blow off to the cloth from gas blowing hole department, and then in time blow off the remaining moisture in cloth surface, further carry out the dewatering, the ingenious structure of being in the same place of linking together, safety and reliability, multiple functions have been realized, service performance has been improved.
Preferably, the air blowing holes are uniformly distributed in the extrusion plate and located on the surface, and the surface of the rotating roller is provided with a groove matched with one side of the surface edge of the extrusion plate.
The invention provides EVA (ethylene vinyl acetate) laminating self-adhesive seamless wall cloth and a preparation method thereof, and the EVA laminating self-adhesive seamless wall cloth has the following beneficial effects:
1. grinding medical stone, tourmaline and rutile, sieving with a 10-mesh sieve, adding soybean protein fiber, corn fiber, milk fiber, aloe fiber, bamboo charcoal fiber, nano silver fiber and activated carbon fiber, and mechanically crushing and grinding under the action of pressure to obtain powder; step two, crushing the air-dried shaddock peels and orange peels, sieving the crushed materials by using a sieve, adding an ethanol solution, and stirring the mixture; heating to 40-60 ℃, adding sodium silicate, potassium silicate, calcium hydroxide, hydrogen peroxide, polyethylene and boric acid, and stirring again to obtain a spinning stock solution; step three, filtering the spinning solution, standing in vacuum for defoaming, then spinning and post-treating by using conventional wet spinning to obtain chemical fiber filaments, and weaving the chemical fiber filaments into cloth to obtain a surface material; fourthly, performing odor and mildew removing treatment on the surface material through treatment equipment to obtain an odor and mildew removing surface material; and step five, uniformly coating an adhesive on a backing material, attaching the odor-removing and mildew-proof surface material and the backing material under the action of pressure at the temperature of 30-40 ℃, keeping the drafting to enable the cloth to be flat, and drying to obtain the odor-removing and mildew-proof wall cloth, so that the peculiar smell of the wall cloth can be removed, the mildew occurrence situation is reduced, no peculiar smell is generated, the indoor environment sanitation is guaranteed, the safety and the reliability are realized, and the service performance is improved.
2. The EVA laminating self-adhesive seamless wall cloth and the preparation method thereof are characterized in that the cloth is input into the machine body from a cloth inlet through the machine body, passes through the guide roller and bypasses from the bottom of the press roller through the guide roller, passes through the cleaning device and the drying mechanism, and is output from a cloth outlet through the cleaning device, the drying mechanism and the cloth, the cloth is stretched at the moment, so that the cloth is kept flat after being stressed, at the moment, the odor removing and mildew preventing agent is injected into the bottom of the inner wall of the machine body, the liquid level of the odor removing and mildew preventing agent is enabled to be submerged in the press roller, the cloth positioned at the position of the press roller is completely soaked in the odor removing and mildew preventing agent, at the moment, the controller is used for controlling components, and the cloth is rolled up, at the moment, the cloth soaked with the odor removing and mildew preventing agent is dewatered through the cleaning device, most of water is taken out, and then help drying mechanism with cloth fast drying, utilize the interrelationship between the structure, promoted drying efficiency, reduce the stoving time, work efficiency is high, safe and reliable has improved performance.
3. The EVA film-coated self-adhesive seamless wall cloth and the preparation method thereof are characterized in that a connecting shell, a through hole, a supporting roller, a power mechanism, a dewatering device, a rotating roller, an extruding device, an arc elastic sheet and an elastic strip-shaped bag body are connected, the supporting roller is arranged at symmetrical positions of the top and the bottom of the connecting shell, and the cloth passing through the through hole is supported, so that the cloth is tensioned and not easy to wrinkle, the rotating roller on the dewatering device is driven by utilizing the power mechanism as power, the extruding device rotates along with the rotating roller at the moment, and when the two symmetrical extruding devices meet, the cloth is extruded, the moisture of the deodorizing mildew-proof agent attached to the surface of the cloth is removed, one side of the surface edge of an extruding plate is hinged with the surface of the rotating roller, and under the elastic action of the arc elastic sheet, the arc elastic sheet applies reverse elastic force to the extruding device by combining the action force and the reaction force, the removal of moisture is further promoted, most of moisture can be removed in time, and multiple functions are realized by utilizing the mutual connection and interaction between the structures, so that the multifunctional water dispenser is safe and reliable, and the service performance is improved.
4. The EVA laminating self-adhesive seamless wall cloth and the preparation method thereof are characterized in that through an extrusion plate, a main air channel, air blowing holes and a flexible wiping rod, when the extrusion plate is driven by a rotating roller to rotate, the flexible wiping rod rotates along with the extrusion plate at the moment, the cloth is extruded by the flexible wiping rods with symmetrical two sides, a large amount of moisture of a deodorizing mildew preventive is removed, the flexible wiping rod is made of a high-density sponge material and is good in flexibility, the cloth is not easy to scratch when the cloth is not contacted, the cloth is protected, meanwhile, the extrusion plate is hinged with the rotating roller, the extrusion plates with symmetrical two sides can generate pressing force when rotating, the elastic strip-shaped bag body is pressed by the rotation of the extrusion plate, the pressed elastic strip-shaped bag body is compressed, the internal air is rapidly conveyed through the main air channel, and the cloth is blown out from the air blowing holes, and then blow off the residual moisture in time on the cloth surface, further carry out the dewatering, ingenious with the structure connection together, safe and reliable has realized multiple functions, has improved performance.
Drawings
FIG. 1 is a block diagram of a wall covering manufacturing method of the present invention;
FIG. 2 is a schematic view of the overall structure of the processing apparatus of the present invention;
FIG. 3 is a schematic view of the internal structure of the processing apparatus of the present invention;
FIG. 4 is a schematic structural view of a cleaning apparatus according to the present invention;
FIG. 5 is a schematic view of a water removing apparatus according to the present invention;
FIG. 6 is a schematic view of the extrusion apparatus of the present invention.
In the figure: 1 machine body, 2 cloth inlets, 3 cloth outlets, 4 guide rollers, 5 press rollers, 6 telescopic mechanisms, 7 cleaning devices, 8 drying mechanisms, 9 controllers, 10 protective doors, 71 connecting shells, 72 penetrating ports, 73 supporting rollers, 74 power mechanisms, 75 water removing devices, 751 rotating rollers, 752 extruding devices, 753 arc-shaped elastic sheets, 754 elastic strip-shaped bag bodies, 7521 extruding plates, 7522 main air passages, 7523 air blowing holes and 7524 flexible wiping rods.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
Referring to fig. 1-6, the present invention provides a technical solution: an EVA (ethylene-vinyl acetate) laminating self-adhesive seamless wall cloth comprises a surface material, a backing material and an adhesive layer between the backing materials;
the surface material comprises the following components in percentage by weight: 6-12 parts of soybean protein fiber, 3-5 parts of corn fiber, 2-4 parts of milk fiber, 10-15 parts of aloe fiber, 8-11 parts of bamboo charcoal fiber, 15-20 parts of nano-silver fiber, 14-18 parts of activated carbon fiber, 20-24 parts of shaddock peel, 12-16 parts of orange peel, 5-8 parts of medical stone, 3-6 parts of tourmaline, 7-10 parts of rutile, 2-8 parts of sodium silicate, 1-5 parts of potassium silicate, 4-9 parts of calcium hydroxide, 6-8 parts of hydrogen peroxide, 4-7 parts of polyethylene and 3-5 parts of boric acid.
A preparation method of EVA (ethylene vinyl acetate) laminated self-adhesive seamless wall cloth comprises the following steps:
grinding medical stone, tourmaline and rutile, sieving with a 10-mesh sieve, adding soybean protein fiber, corn fiber, milk fiber, aloe fiber, bamboo charcoal fiber, nano silver fiber and activated carbon fiber, and mechanically crushing and grinding under the action of pressure to obtain powder;
step two, crushing the air-dried shaddock peels and orange peels, sieving the crushed materials by using a sieve, adding an ethanol solution, and stirring the mixture; heating to 40-60 ℃, adding sodium silicate, potassium silicate, calcium hydroxide, hydrogen peroxide, polyethylene and boric acid, and stirring again to obtain a spinning stock solution;
step three, filtering the spinning solution, standing in vacuum for defoaming, then spinning and post-treating by using conventional wet spinning to obtain chemical fiber filaments, and weaving the chemical fiber filaments into cloth to obtain a surface material;
fourthly, performing odor and mildew removing treatment on the surface material through treatment equipment to obtain an odor and mildew removing surface material;
and step five, uniformly coating an adhesive on a backing material, attaching the odor-removing and mildew-proof surface material and the backing material under the action of pressure at the temperature of 30-40 ℃, keeping the drafting to enable the cloth to be flat, and drying to obtain the odor-removing and mildew-proof wall cloth, so that the peculiar smell of the wall cloth can be removed, the mildew occurrence situation is reduced, no peculiar smell is generated, the indoor environment sanitation is guaranteed, the safety and the reliability are realized, and the service performance is improved.
Example 2
The treatment equipment in the fourth step comprises a machine body 1, a cloth inlet 2 is formed in one side of the top of the surface of the machine body 1, a cloth outlet 3 is formed in one side of the top of the surface of the machine body 1 far away from the cloth inlet 2, a guide roller 4 is arranged in the machine body 1 and close to the cloth inlet 2, a compression roller 5 is fixedly connected to the corresponding position of the bottom of the inner wall of the machine body 1, a telescopic mechanism 6 is fixedly connected to the top of the inner wall of the machine body 1, a cleaning device 7 is fixedly connected to the output end of the telescopic mechanism 6, a drying mechanism 8 is arranged on one side of the top of the inner wall of the machine body 1 and close to the cloth outlet 3, a controller 9 is arranged on one side of the top of the surface of the machine body 1, a protective door 10 is arranged on the top of the surface of the machine body 1 and close to the controller 9, cloth is input into the machine body 1 from the cloth inlet 2 and is guided by the guide roller 4 and then bypasses from the bottom of the compression roller 5, passing through the cleaning device 7, the drying mechanism 8, and outputting from the cloth outlet 3, at this time, the cloth is stretched, so that the cloth keeps flat after being stressed, at this time, the odor removing mildew preventive is injected at the bottom of the inner wall of the machine body 1, and the liquid level surface of the odor removing mildew preventive is enabled to be over the press roller 5, so that the cloth at the position of the press roller 5 is completely soaked in the odor removing mildew preventive, at this time, the components are controlled through the controller 9, along with the rolling of the cloth, at this time, the cloth soaked with the odor removing mildew preventive is dewatered through the cleaning device 7, most of moisture is taken out, and then the drying mechanism 8 is facilitated to rapidly dry the cloth, the mutual relation among structures is utilized, the drying efficiency is promoted, the drying time is shortened, the working efficiency is high, safety and reliability are realized, and the use performance is improved.
Example 3
The cleaning device 7 comprises a connecting shell 71, through holes 72 are formed in the corresponding positions of the top and the bottom of the connecting shell 71, supporting rollers 73 are arranged at the positions, close to the through holes 72, of the top and the bottom of the connecting shell 71, one end of the surface of the connecting shell 71 is fixedly connected with a power mechanism 74, and water removing devices 75 are arranged at the corresponding positions inside the connecting shell 71.
The water removing device 75 comprises a rotating roller 751, the end part of the rotating roller 751 is rotatably connected with the inner wall of the connecting shell 71, one end of the rotating roller 751 penetrates through the inner wall of the connecting shell 71 and extends to the outside of the connecting shell, one end of the rotating roller 751 extending to the outside of the connecting shell 71 is fixedly connected with the output end of the power mechanism 74 through a coupler, a pressing device 752 is arranged on the surface of the rotating roller 751, an arc-shaped elastic sheet 753 is fixedly connected between the surface of the pressing device 752 and the two sides corresponding to the surface of the rotating roller 751, and an elastic strip-shaped capsule 754 is arranged between the surface of the pressing device 752 and the two sides corresponding to the surface of the rotating roller 751 and at a position close to the arc-shaped elastic sheet 753.
The squeezing devices 752 are evenly distributed on the surface of the rotating roller 751, the arc-shaped elastic sheets 753 are evenly distributed between the surface of the squeezing devices 752 and two sides corresponding to the surface of the rotating roller 751, the top and the bottom of the connecting shell 71 are symmetrically provided with the supporting rollers 73, so as to support the cloth passing through the through opening 72, so that the cloth is tensioned and not easy to wrinkle, the rotating roller 751 on the water removal device 75 is driven by utilizing the power mechanism 74 as power, at the same time, the squeezing devices 752 also rotate along with the rotating device, and when the squeezing devices 752 symmetrically arranged on the two sides meet, the cloth is squeezed, so as to remove the moisture of the odor-removing and mildew-preventing agent attached to the surface of the cloth, and one side of the surface edge of the squeezing plate 7521 is hinged with the surface of the rotating roller 751, and under the elastic action of the arc-shaped elastic sheets 753, the arc-shaped elastic sheets 753 exert reverse elastic force on the squeezing devices, further promotes the removal of moisture, and can remove most of moisture in time.
The extrusion device 752 comprises an extrusion plate 7521, one side of the surface edge of the extrusion plate 7521 is hinged with the surface of the rotating roller 751, a main air channel 7522 is arranged in the extrusion plate 7521 and close to the end part, the port of the main air channel 7522 is communicated with the air port of the elastic strip-shaped bag body 754, an air blowing hole 7523 is arranged in the extrusion plate 7521 and located on the surface, one end of the air blowing hole 7523 is communicated with the main air channel 7522, and a flexible wiping rod 7524 is fixedly connected to one side of the surface of the extrusion plate 7521.
The blowing holes 7523 are uniformly distributed in the extrusion plate 7521 and located on the surface, the surface of the rotating roller 751 is provided with a groove matched with one side of the surface edge of the extrusion plate 7521, when the extrusion plate 7521 is driven by the rotating roller 751 to rotate, the flexible wiping rod 7524 also rotates along with the extrusion plate 7521 at the moment, the cloth is extruded by the flexible wiping rods 7524 with symmetrical two sides, a large amount of moisture of the odor removing and mildew proofing agent is removed, the material of the flexible wiping rod 7524 is set to be a high-density sponge material with good flexibility, and when the cloth is not contacted, the cloth is not easily scratched, so that the effect of protection is achieved, meanwhile, the extrusion plate 7521 is hinged with the rotating roller 751, when the extrusion plate 7521 with symmetrical two sides generates pressing force, the rotation of the extrusion plate 7521 is utilized to press the elastic strip-shaped bag body 754, and the pressed elastic strip-shaped bag body 754 is compressed, the inside gas passes through the transport of main air duct 7522 fast to blow off to the cloth from gas hole 7523, and then in time blow off the remaining moisture in cloth surface, further carry out the dewatering, ingenious link the structure together, safe and reliable has realized multiple functions, has improved performance.
When in use, the whole device is placed at a specified position, cloth is input into the machine body 1 from the cloth inlet 2, guided by the guide roller 4, bypasses from the bottom of the press roller 5, passes through the cleaning device 7 and the drying mechanism 8, and is output from the cloth outlet 3, and the support rollers 73 are arranged at symmetrical positions at the top and the bottom of the connecting shell 71, so that the cloth passing through the through opening 72 is supported, the cloth is tensioned, and wrinkles are not easy to appear, the rotating rollers 751 on the water removal device 75 are driven by the power mechanism 74, at the moment, the extrusion devices 752 also rotate along with the cloth, when the symmetrical extrusion devices 752 at two sides meet, the cloth is extruded, the odor removing and mildew preventing agent attached to the surface of the cloth is removed, and one side of the surface edge of the extrusion plate 7521 is hinged with the surface of the rotating rollers 751, under the action of the elastic force of the arc-shaped elastic sheet 753, the arc-shaped elastic sheet 753 applies reverse elastic force to the extrusion device 752 to further promote the removal of moisture, most of the moisture can be removed in time, when the extrusion plate 7521 is driven by the rotating roller 751 to rotate, the flexible wiping rod 7524 also rotates along with the extrusion plate 7521, the cloth is extruded by the flexible wiping rods 7524 with two symmetrical sides, a large amount of odor removing and mildew proofing agent moisture is removed, the material of the flexible wiping rod 7524 is set to be high-density sponge material, the flexibility is good, when the cloth is not contacted, the cloth is not easy to scratch, the protection effect is achieved, meanwhile, the extrusion plate 7521 is hinged with the rotating roller 751, when rotating, the extrusion plates 7521 with two symmetrical sides can generate pressing force, the rotation of the extrusion plate 7521 is used to press the strip-shaped elastic bag body 754, the elastic strip-shaped bag body 754 pressed at the moment is compressed, the internal gas is rapidly conveyed through the main air channel 7522 and is blown out of the air blowing hole 7523 to the cloth, and further residual moisture on the surface of the cloth is blown off in time, so that water removal is further performed, the structure is ingeniously connected, safety and reliability are realized, multiple functions are realized, and the use performance is improved.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims (8)

1. The utility model provides a EVA drenches membrane self-adhesion seamless wall cloth which characterized in that: comprises a surface material, a backing material and an adhesive layer between the backing materials;
the surface material comprises the following components in percentage by weight: 6-12 parts of soybean protein fiber, 3-5 parts of corn fiber, 2-4 parts of milk fiber, 10-15 parts of aloe fiber, 8-11 parts of bamboo charcoal fiber, 15-20 parts of nano-silver fiber, 14-18 parts of activated carbon fiber, 20-24 parts of shaddock peel, 12-16 parts of orange peel, 5-8 parts of medical stone, 3-6 parts of tourmaline, 7-10 parts of rutile, 2-8 parts of sodium silicate, 1-5 parts of potassium silicate, 4-9 parts of calcium hydroxide, 6-8 parts of hydrogen peroxide, 4-7 parts of polyethylene and 3-5 parts of boric acid.
2. A preparation method of EVA (ethylene vinyl acetate) laminating self-adhesive seamless wall cloth is characterized by comprising the following steps of: the method comprises the following steps:
grinding medical stone, tourmaline and rutile, sieving with a 10-mesh sieve, adding soybean protein fiber, corn fiber, milk fiber, aloe fiber, bamboo charcoal fiber, nano silver fiber and activated carbon fiber, and mechanically crushing and grinding under the action of pressure to obtain powder;
step two, crushing the air-dried shaddock peels and orange peels, sieving the crushed materials by using a sieve, adding an ethanol solution, and stirring the mixture; heating to 40-60 ℃, adding sodium silicate, potassium silicate, calcium hydroxide, hydrogen peroxide, polyethylene and boric acid, and stirring again to obtain a spinning stock solution;
step three, filtering the spinning solution, standing in vacuum for defoaming, then spinning and post-treating by using conventional wet spinning to obtain chemical fiber filaments, and weaving the chemical fiber filaments into cloth to obtain a surface material;
fourthly, performing odor and mildew removing treatment on the surface material through treatment equipment to obtain an odor and mildew removing surface material;
and step five, uniformly coating an adhesive on the backing material, bonding the odor-removing and mildew-proof surface material and the backing material under the action of pressure and at the temperature of 30-40 ℃, keeping the drafting to enable the cloth to be flat, and drying to obtain the odor-removing and mildew-proof wall cloth.
3. The preparation method of the EVA laminating self-adhesive seamless wall cloth according to claim 2, characterized in that: the treatment equipment comprises a machine body (1), a cloth inlet (2) is formed in one side of the top of the surface of the machine body (1), a cloth outlet (3) is formed in one side, away from the cloth inlet (2), of the top of the surface of the machine body (1), a guide roller (4) is arranged in the machine body (1) and close to the cloth inlet (2), a compression roller (5) is fixedly connected to the corresponding position of the bottom of the inner wall of the machine body (1), a telescopic mechanism (6) is fixedly connected to the top of the inner wall of the machine body (1), a cleaning device (7) is fixedly connected to the output end of the telescopic mechanism (6), a drying mechanism (8) is arranged in one side of the top of the inner wall of the machine body (1) and close to the cloth outlet (3), a controller (9) is arranged on one side of the top of the surface of the machine body (1), and a protective door (10) is arranged in the position of the top of the machine body (1) and close to the controller (9).
4. The preparation method of the EVA laminating self-adhesive seamless wall cloth according to claim 3, characterized in that: cleaning device (7) are including connecting casing (71), wear mouthful (72) have all been seted up to the top of connecting casing (71) and the corresponding position in bottom, the top of connecting casing (71) and the position that just is close to wear mouthful (72) are provided with backing roll (73), the surperficial one end fixedly connected with power unit (74) of connecting casing (71), the inside corresponding position of connecting casing (71) all is provided with water trap (75).
5. The preparation method of the EVA laminating self-adhesive seamless wall cloth according to claim 4, characterized by comprising the following steps: the water removal device (75) comprises a rotating roller (751), the end of the rotating roller (751) is rotatably connected with the inner wall of a connecting shell (71), one end of the rotating roller (751) penetrates through the inner wall of the connecting shell (71) and extends to the outside of the connecting shell, one end of the rotating roller (751) extending to the outside of the connecting shell (71) is fixedly connected with the output end of a power mechanism (74) through a coupler, a squeezing device (752) is arranged on the surface of the rotating roller (751), an arc elastic sheet (753) is fixedly connected between the surface of the squeezing device (752) and the two corresponding sides of the surface of the rotating roller (751), and an elastic strip-shaped capsule body (754) is arranged between the surface of the squeezing device (752) and the two corresponding sides of the surface of the rotating roller (751) and at a position close to the arc elastic sheet (753).
6. The preparation method of the EVA laminating self-adhesive seamless wall cloth according to claim 5, characterized in that: the pressing device (752) is evenly distributed on the surface of the rotating roller (751), and the arc-shaped elastic pieces (753) are evenly distributed between the two sides of the surface of the pressing device (752) corresponding to the surface of the rotating roller (751).
7. The preparation method of the EVA laminating self-adhesive seamless wall cloth according to claim 5, characterized in that: the extrusion device (752) comprises an extrusion plate (7521), one side of the surface edge of the extrusion plate (7521) is hinged with the surface of the rotating roller (751), a main air channel (7522) is formed in the extrusion plate (7521) and close to the end of the extrusion plate, the port of the main air channel (7522) is communicated with the air port of the elastic strip-shaped bag body (754), an air blowing hole (7523) is formed in the extrusion plate (7521) and located at the surface of the extrusion plate, one end of the air blowing hole (7523) is communicated with the main air channel (7522), and a flexible wiping rod (7524) is fixedly connected to one side of the surface of the extrusion plate (7521).
8. The preparation method of the EVA laminating self-adhesive seamless wall cloth according to claim 7, characterized in that: the air blowing holes (7523) are uniformly distributed in the extrusion plate (7521) and located on the surface, and grooves matched with one side of the surface edge of the extrusion plate (7521) are formed in the surface of the rotating roller (751).
CN202210675082.4A 2022-07-08 2022-07-08 EVA (ethylene-vinyl acetate copolymer) laminated self-adhesive seamless wall cloth and preparation method thereof Active CN115044312B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210675082.4A CN115044312B (en) 2022-07-08 2022-07-08 EVA (ethylene-vinyl acetate copolymer) laminated self-adhesive seamless wall cloth and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210675082.4A CN115044312B (en) 2022-07-08 2022-07-08 EVA (ethylene-vinyl acetate copolymer) laminated self-adhesive seamless wall cloth and preparation method thereof

Publications (2)

Publication Number Publication Date
CN115044312A true CN115044312A (en) 2022-09-13
CN115044312B CN115044312B (en) 2023-06-23

Family

ID=83160576

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210675082.4A Active CN115044312B (en) 2022-07-08 2022-07-08 EVA (ethylene-vinyl acetate copolymer) laminated self-adhesive seamless wall cloth and preparation method thereof

Country Status (1)

Country Link
CN (1) CN115044312B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0875618A2 (en) * 1997-04-16 1998-11-04 Anni 90 S.r.l. Method for the continuous production of sheets for wall coverings with attachment backing made of non-woven fibreglass fabric and sheets produced
CN107558676A (en) * 2017-08-09 2018-01-09 浙江联翔家居装饰股份有限公司 A kind of water-soluble embroidery seamless wall cloth production technology
CN107762081A (en) * 2017-09-30 2018-03-06 湖州东凯纺织有限公司 De-taste mould proof wall paper and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0875618A2 (en) * 1997-04-16 1998-11-04 Anni 90 S.r.l. Method for the continuous production of sheets for wall coverings with attachment backing made of non-woven fibreglass fabric and sheets produced
CN107558676A (en) * 2017-08-09 2018-01-09 浙江联翔家居装饰股份有限公司 A kind of water-soluble embroidery seamless wall cloth production technology
CN107762081A (en) * 2017-09-30 2018-03-06 湖州东凯纺织有限公司 De-taste mould proof wall paper and preparation method thereof

Also Published As

Publication number Publication date
CN115044312B (en) 2023-06-23

Similar Documents

Publication Publication Date Title
CN105476867A (en) Human-beautifying multi-layer gel facial mask
CN206787247U (en) A kind of simple towel drying device
CN115044312A (en) EVA (ethylene-vinyl acetate) laminating self-adhesive seamless wall cloth and preparation method thereof
CN106619257A (en) Facial mask paper
CN210337213U (en) PUR and surface fabric composite device
CN216376881U (en) Wet piece of cloth stoving coiling mechanism disinfects
CN207190649U (en) Drum-type wallpaper construction device
CN104908405B (en) A kind of production equipment of wrinkle cloth imitating paper and method
WO2020259364A1 (en) Waterproof cleaning fabric for daily use and composite production process therefor
CN108864489A (en) A kind of latticed production method for reinforcing gel sponge membrane body
CN109295538B (en) Antibacterial and deodorant textile fabric and preparation method thereof
KR100632462B1 (en) Wallpaper use nature vegetable long fiber and manufacture method
CN111421910A (en) Anti-mite blended composite fabric and preparation process thereof
CN108252003A (en) A kind of wet tissue non-woven fabrics humidifier
CN214927915U (en) Stone paper and non-woven fabrics do not have gluey composite set and construct
CN209320432U (en) A kind of non-woven fabrics equipment for coating film
CN102505509A (en) Preparation method for fibrilia flame-retardant wall cloth
CN220952670U (en) Wet paper handkerchief production non-woven fabrics cutting device
CN216891762U (en) Household paper with sterilization function
CN215784226U (en) Probiotics-containing absorbent pad medicine coating device for production of band-aid
CN216504469U (en) Emery cloth humidification printing device
CN109762209A (en) A kind of production method of the gel sponge membrane body of built-in long fibre skeleton
CN213156973U (en) Novel wet plaster for dermatology
CN112340723B (en) Graphene film for treating sewage of decorative material production workshop and processing technology thereof
CN204712584U (en) A kind of production equipment of wrinkle cloth imitating paper

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant