WO2014092461A1 - 방수통음시트 및 이의 제조 방법 - Google Patents
방수통음시트 및 이의 제조 방법 Download PDFInfo
- Publication number
- WO2014092461A1 WO2014092461A1 PCT/KR2013/011496 KR2013011496W WO2014092461A1 WO 2014092461 A1 WO2014092461 A1 WO 2014092461A1 KR 2013011496 W KR2013011496 W KR 2013011496W WO 2014092461 A1 WO2014092461 A1 WO 2014092461A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- soak
- waterproof
- sheet
- coating layer
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
- H04R1/086—Protective screens, e.g. all weather or wind screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/36—Polytetrafluoroethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/08—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons
- D01F6/12—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons from polymers of fluorinated hydrocarbons
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/06—Processes in which the treating agent is dispersed in a gas, e.g. aerosols
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0038—Polyolefin fibres
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/023—Screens for loudspeakers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2201/00—Polymeric substrate or laminate
- B05D2201/02—Polymeric substrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2506/00—Halogenated polymers
- B05D2506/10—Fluorinated polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
- B32B2037/243—Coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/73—Hydrophobic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/02—Properties of the materials having acoustical properties
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
Definitions
- the present invention relates to a waterproof soak sheet and a method for manufacturing the same, and more particularly, to a waterproof soak sheet and a method for manufacturing the same having improved sound transmission efficiency while improving sound transmission efficiency.
- the present invention claims the benefit of the application date of Korean Patent Application No. 10-2012-0143371 filed December 11, 2012 and Korean Patent Application No. 10-2013-0154023 filed December 11, 2013, All content is included herein.
- the sound soak is provided with a waterproof soak sheet for passing sound and blocking water or dust.
- This waterproof soak sheet should be manufactured in consideration of both waterproof and sound transfer efficiency.
- Korean Patent Laid-Open Publication No. 10-2010-0041839 discloses a configuration formed of a polytetrafluoroethylene porous membrane.
- the conventional waterproof sound-permeable membrane is composed only of the polytetrafluoroethylene porous membrane, the micropore of the porous membrane gradually becomes larger due to the impact or external pressure applied from the outside as the service life becomes longer. There is a problem that the waterproof performance is degraded.
- An object of the present invention has been devised in view of the above, it is an object of the present invention to provide a waterproof soak sheet of the inorganic ball with improved waterproof performance and its manufacturing method.
- an object of the present invention is to facilitate the thickness control of the water soak sheet.
- Waterproof soak sheet for achieving the above object is formed of a polymer material, the soak layer formed in a web having a plurality of pores; And a coating layer formed on at least one surface of the soaking layer and coated to prevent pores on the surface of the soaking layer.
- the soak layer may be formed by electrospinning the polymer material.
- the polymer material may include polyvinylidene fluoride (PVDF).
- PVDF polyvinylidene fluoride
- the coating layer may be formed on at least one surface of the soaking layer to be coated to prevent pores on the surface of the soaking layer using one of a gravure coating process, a dipping process, and a spraying process.
- the coating layer is formed on one surface of the soak layer, the first coating layer is coated to block pores on the surface of one surface of the soak layer; And a second coating layer formed on the other surface of the soaking layer and coated to prevent pores on the surface of the other surface of the soaking layer.
- the overall air permeability of the soak layer and the coating layer may be less than 0.1 cfm at 125 psi.
- the method of manufacturing a waterproof soak sheet according to the present invention for achieving the above object comprises the steps of electrospinning a polymer material, to form a soak layer formed into a web having a plurality of pores; And forming a coating layer on at least one surface of the soaking layer to prevent pores on the surface of the soaking layer.
- the coating layer is formed on at least one surface of the soaking layer to prevent pores on the surface of the soaking layer by using one of a gravure coating process, a dipping process, and a spraying process. Can be formed.
- the polymer material may include polyvinylidene fluoride (PVDF).
- PVDF polyvinylidene fluoride
- the present invention is easy to control the overall thickness of the waterproof soak sheet by forming a waterproof soak sheet by electrospinning.
- it is easy to form the thickness of the sound absorbing layer to provide a waterproof sound soak sheet having good sound absorbing performance.
- the present invention is easy to adjust the thickness of the water soak sheet, it is easy to adjust the air permeability, and thus can implement excellent acoustic properties.
- FIG. 1 is a view showing the configuration of a waterproof soak sheet according to an embodiment of the present invention.
- FIG. 2 is a flowchart illustrating a method of manufacturing a waterproof soak sheet according to an embodiment of the present invention.
- Figure 3 is a view for explaining in more detail the gravure coating step in the manufacturing method of the waterproof soak sheet according to an embodiment of the present invention.
- FIG. 4 is a view for explaining in detail the dipping process step in the manufacturing method of the waterproof soak sheet according to another embodiment of the present invention.
- FIG. 5 is a view schematically showing an example of an electronic device to which the waterproof soak sheet is applied according to an embodiment of the present invention.
- FIG. 1 is a view showing the configuration of a waterproof soak sheet according to an embodiment of the present invention.
- the waterproof soak sheet 100 may include a soak layer 10, a first coating layer 20, and a second coating layer 30.
- the soak layer 10 is formed of a polymer material and is formed in a web having a plurality of pores.
- a material including polyvinylidene fluoride (PVDF) may be used as the polymer material forming the soaking layer 10.
- the polymer material may be polyamide, polyimide, polyamideimide, poly (meth-phenylene isophthalamide), polysulfone, polyetherketone, polyether imide, polyethylene terephthalate, polytrimethylene terephthalate, polyethylene Aromatic polyesters such as naphthalate, polytetrafluoroethylene, polydiphenoxyphosphazene, polyphosphazenes such as poly ⁇ bis [2- (2-methoxyethoxy) phosphazene] ⁇ , polyurethanes and polyethers Polyurethane copolymer containing urethane, cellulose acetate, cellulose acetate butyrate, cellulose acetate propionate and the like can be used.
- PVDF Polyvinylidene fluoride
- the soak layer 10 may be formed by electrospinning a polymer material.
- the sound-permeable layer 10 is formed by electrospinning, and thus thickness is easily adjusted.
- the pore type waterproof soak sheet is relatively less sensitive to the thickness of the sheet because it transmits sound through the pores.
- the non-pore type waterproof soak sheet 100 can be transmitted more effectively to the other surface of the vibration of the sound from one side to thin the thickness of the sheet.
- the sound-permeable layer 10 is formed in the inorganic hole type, it is possible to implement high waterproofness compared to the waterproof sound-permeable sheet including the pore-type sound-permeable layer.
- the first coating layer 20 is formed on one surface of the soak layer 10. In addition, the first coating layer 20 is formed to block pores on the surface of the soak layer 10. The first coating layer 20 may be formed on the surface of the soak layer 10 by gravure coating.
- the second coating layer 30 is formed on the other surface of the soak layer 10.
- the second coating layer 30 may be formed by coating the same material as the first coating layer 20 except for the positions formed with respect to the first coating layer 20 and the sound absorbing layer 10. Therefore, the description of the second coating layer 30 is replaced with the description of the first coating layer 20.
- the configuration in which the first coating layer 20 and the second coating layer 30 are formed on both surfaces of the soak layer 10 has been described.
- the coating layer may be formed on only one surface of the (10).
- the water soak sheet 100 including the soak layer 10 and the first and second coating layers 20 and 30 may have an air permeability of less than 0.1 cfm at 125 psi.
- the overall waterproof soak sheet 100 configured through this is a non-pore type, and is formed so that air does not pass from one surface to the other surface.
- FIG. 2 is a flowchart illustrating a method of manufacturing a waterproof soak sheet according to an embodiment of the present invention.
- Figure 3 is a view for explaining in more detail the gravure coating step in the manufacturing method of the waterproof soak sheet according to an embodiment of the present invention.
- 4 is a view for explaining in detail the dipping process step in the manufacturing method of the waterproof soak sheet according to another embodiment of the present invention.
- the method of manufacturing a waterproof soak sheet first, to prepare a spinning solution containing a polymer material (S10).
- the polymer material may be a material including polyvinylidene fluoride (PVDF).
- step S10 electrospinning the spinning solution prepared in step S10 to form a web-permeable layer (S20).
- the surface of the soak layer formed through the step S20 is gravure coated to form a coating layer on at least one surface of the soak layer (S30).
- the coating layer is formed to block the surface pores of the soak layer. Referring to FIG. 3 in more detail, it passes between the 1st roller R1 and the 2nd roller R2 which mesh the permeable layer 10 and return. At this time, the first roller R1 is partially locked to the coating solution P, and a plurality of intaglio grooves RG are formed on the surface of the first roller R1.
- the coating solution P is permeated into the intaglio groove RG by the rotation of the first roller R1, and the surface of the soaking layer 10 is coated on the surface of the soaking layer 10 at a portion contacting the second roller R2 by pressure and heat. It is coated with (P).
- step S30 may be performed through a dipping process instead of a gravure coating process. That is, the perforated layer wound on the supply roll 1 is passed through the coating solution (P), dried through the drying hole (2), and then squeezed through the squeezing roll (3) (Squeezing) surface pores of the soak layer. To form a coating layer to prevent.
- step S30 may be made through a spray process instead of a gravure coating process. That is, the coating liquid is applied to the surface of the soaking layer using a nozzle to form a coating layer to prevent surface pores of the soaking layer.
- the waterproof soak sheet after the step S30 may be further Oleophobic treatment.
- FIG. 5 is a view schematically showing an example of an electronic device to which the waterproof soak sheet is applied according to an embodiment of the present invention.
- FIG. 5 an interior of a case C of an electronic device, that is, a mobile terminal is illustrated.
- the sound soak sheet 100a, 100b according to the embodiment of the present invention is applied to the sound hole, that is, the microphone or the speaker hole.
- the waterproof soak sheet (100a) may be formed on the outer end side of the support foam (100a ') for supporting the shape of the waterproof soak sheet (100a).
- Unexplained solid lines in the case C of FIG. 5 represent a circuit or a case that may be formed inside the mobile terminal.
- the waterproof soak sheet and its manufacturing method according to the present invention may not be limitedly applied to the configuration and method of the embodiments described as described above, the embodiments are each embodiment so that various modifications can be made All or some of these may optionally be combined.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Signal Processing (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims (10)
- 고분자 물질로 형성되며, 다수의 기공을 갖는 웹상으로 형성되는 통음층; 및상기 통음층의 적어도 일면에 형성되며, 상기 통음층의 표면상의 기공을 막도록 코팅되는 코팅층을 포함하는 것을 특징으로 하는 방수통음시트.
- 청구항 1에 있어서,상기 통음층은 고분자 물질을 전기방사하여 형성된 것을 특징으로 하는 방수통음시트.
- 청구항 2에 있어서,상기 고분자 물질은 폴리비닐리덴 플루오라이드(PVDF; Polyinylidene difluoride)를 포함하여 이루어지는 것을 특징으로 하는 방수통음시트.
- 청구항 1에 있어서,상기 코팅층은 상기 통음층의 적어도 일면에, 그라비아 코팅 공정, 딥핑 공정 및 스프레이 공정 중 선택되는 하나의 공정을 이용하여 상기 통음층의 표면상의 기공을 막도록 코팅되어 형성되는 것을 특징으로 하는 방수통음시트.
- 청구항 1에 있어서,상기 코팅층은,상기 통음층의 일면에 형성되며, 상기 통음층의 일면의 표면상의 기공을 막도록 코팅되는 제 1 코팅층; 및상기 통음층의 타면에 형성되며, 상기 통음층의 타면의 표면상의 기공을 막도록 코팅되는 제 2 코팅층을 포함하는 것을 특징으로 하는 방수통음시트.
- 청구항 1에 있어서,상기 통음층 및 상기 코팅층의 전체적인 공기투과도는 125 psi에서 0.1 cfm 미만인 것을 특징으로 하는 방수통음시트.
- 고분자 물질을 전기방사하여, 다수의 기공을 갖는 웹상으로 형성되는 통음층을 형성하는 단계; 및상기 통음층의 적어도 일면에, 상기 통음층의 표면상의 기공을 막도록 코팅층을 형성하는 단계를 포함하는 것을 특징으로 하는 방수통음시트의 제조 방법.
- 청구항 7에 있어서,상기 코팅층을 형성하는 단계에서는,상기 통음층의 적어도 일면에, 그라비아 코팅 공정, 딥핑 공정 및 스프레이 공정 중 선택되는 하나의 공정을 이용하여 상기 통음층의 표면상의 기공을 막도록 상기 코팅층을 형성하는 것을 특징으로 하는 방수통음시트의 제조 방법.
- 청구항 7에 있어서,상기 고분자 물질은 폴리비닐리덴 플루오라이드(PVDF; Polyinylidene difluoride)를 포함하여 이루어지는 것을 특징으로 하는 방수통음시트의 제조 방법.
- 청구항 1 내지 6 중 어느 한 항에 따른 방수통음시트가 음향홀에 부착된 것을 특징으로 하는 전자기기.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014559848A JP5913643B2 (ja) | 2012-12-11 | 2013-12-11 | 防水通音シートおよびその製造方法 |
US14/381,655 US9510075B2 (en) | 2012-12-11 | 2013-12-11 | Waterproof sound transmitting sheet, and method for producing same |
EP13862024.0A EP2808165B1 (en) | 2012-12-11 | 2013-12-11 | Waterproof sound transmitting sheet, and method for producing same |
CN201380012039.9A CN104159742B (zh) | 2012-12-11 | 2013-12-11 | 防水传声片材及其生产方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2012-0143371 | 2012-12-11 | ||
KR20120143371 | 2012-12-11 | ||
KR1020130154023A KR101448674B1 (ko) | 2012-12-11 | 2013-12-11 | 방수통음시트 및 이의 제조 방법 |
KR10-2013-0154023 | 2013-12-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014092461A1 true WO2014092461A1 (ko) | 2014-06-19 |
Family
ID=51128276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2013/011496 WO2014092461A1 (ko) | 2012-12-11 | 2013-12-11 | 방수통음시트 및 이의 제조 방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9510075B2 (ko) |
EP (1) | EP2808165B1 (ko) |
JP (1) | JP5913643B2 (ko) |
KR (1) | KR101448674B1 (ko) |
CN (1) | CN104159742B (ko) |
WO (1) | WO2014092461A1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101783882B1 (ko) * | 2016-02-15 | 2017-11-06 | 한화테크윈 주식회사 | 에칭 장치 및 에칭 방법과, 그 에칭 방법에 의해 에칭된 플렉서블 필름 |
WO2017196101A2 (ko) * | 2016-05-13 | 2017-11-16 | 주식회사 아모그린텍 | 방수통음시트 |
US10371982B2 (en) * | 2017-06-23 | 2019-08-06 | Himax Display, Inc. | Display panel |
CN113039068B (zh) * | 2018-11-22 | 2023-08-25 | 阿莫绿色技术有限公司 | 便于视觉检查的防水传声片材 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090128104A (ko) * | 2008-06-10 | 2009-12-15 | 코오롱패션머티리얼 (주) | 투습방수원단 및 그의 제조방법 |
KR20100024119A (ko) * | 2008-08-25 | 2010-03-05 | 코오롱패션머티리얼 (주) | 나노섬유를 이용한 방수원단 |
KR20100041839A (ko) | 2007-07-18 | 2010-04-22 | 닛토덴코 가부시키가이샤 | 방수 통음막, 방수 통음막의 제조 방법 및 그것을 사용한 전기 제품 |
KR20100112615A (ko) * | 2008-01-08 | 2010-10-19 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 나노섬유로 제조된 소수성 처리된 부직물을 포함하는 내수성 및 수증기 투과성 의복 |
JP2010241047A (ja) * | 2009-04-08 | 2010-10-28 | Nitto Denko Corp | 防水通音膜とそれを用いた防水通音部材および電気製品 |
KR20110063492A (ko) * | 2009-01-21 | 2011-06-10 | 닛토덴코 가부시키가이샤 | 방수 통음막과 그 제조 방법 및 그것을 사용한 전기 제품 |
KR20120028693A (ko) * | 2010-09-15 | 2012-03-23 | 웅진케미칼 주식회사 | 투습성이 뛰어난 자외선 경화형 투습방수 원단 및 이의 제조방법 |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4071040A (en) * | 1976-03-18 | 1978-01-31 | North Electric Company | Water-proof air-pressure equalizing valve |
DE8713369U1 (ko) * | 1987-10-05 | 1989-02-09 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De | |
US5342434A (en) * | 1992-12-14 | 1994-08-30 | W. L. Gore & Associates, Inc. | Gas permeable coated porous membranes |
US5460872A (en) * | 1993-03-26 | 1995-10-24 | W. L. Gore & Associates, Inc. | Process for coating microporous substrates and products therefrom |
JP2854223B2 (ja) * | 1993-09-08 | 1999-02-03 | ジャパンゴアテックス株式会社 | 撥油防水性通気フィルター |
US5814405A (en) * | 1995-08-04 | 1998-09-29 | W. L. Gore & Associates, Inc. | Strong, air permeable membranes of polytetrafluoroethylene |
US5828012A (en) * | 1996-05-31 | 1998-10-27 | W. L. Gore & Associates, Inc. | Protective cover assembly having enhanced acoustical characteristics |
JPH10165787A (ja) * | 1996-12-11 | 1998-06-23 | Nitto Denko Corp | ポリテトラフルオロエチレン多孔質膜およびその製造方法 |
US6512834B1 (en) * | 1999-07-07 | 2003-01-28 | Gore Enterprise Holdings, Inc. | Acoustic protective cover assembly |
US7771818B2 (en) * | 2002-09-20 | 2010-08-10 | Bha Group, Inc. | Treatment of porous article |
DE10260307B4 (de) * | 2002-12-20 | 2007-02-22 | Siemens Audiologische Technik Gmbh | Elektroakustischer Miniaturwandler für ein Hörhilfegerät |
JP2004328231A (ja) * | 2003-04-23 | 2004-11-18 | Matsushita Electric Ind Co Ltd | 防水風防機能付きマイクロホン及びこれに用いる防水風防用スクリーン |
US6932187B2 (en) * | 2003-10-14 | 2005-08-23 | Gore Enterprise Holdings, Inc. | Protective acoustic cover assembly |
JP4708134B2 (ja) * | 2005-09-14 | 2011-06-22 | 日東電工株式会社 | 通音膜、通音膜付き電子部品及びその電子部品を実装した回路基板の製造方法 |
US8846161B2 (en) * | 2006-10-03 | 2014-09-30 | Brigham Young University | Hydrophobic coating and method |
US7927405B2 (en) * | 2007-04-23 | 2011-04-19 | Gore Enterprise Holdings, Inc | Porous composite article |
CN101816187B (zh) * | 2007-10-09 | 2013-09-11 | 日东电工株式会社 | 使用防水透声膜的透声部件及其制造方法 |
KR20090130566A (ko) * | 2008-06-16 | 2009-12-24 | 경북대학교 산학협력단 | 연료전지용 술폰화 고분자-기공-충진된 전기방사 나노섬유막을 제조하는 방법 |
JP5286006B2 (ja) * | 2008-09-17 | 2013-09-11 | 日本ゴア株式会社 | 防水通音フード |
US8157048B2 (en) * | 2009-04-22 | 2012-04-17 | Gore Enterprise Holdings, Inc. | Splash proof acoustically resistive color assembly |
US8731618B2 (en) * | 2009-04-23 | 2014-05-20 | Apple Inc. | Portable electronic device |
CN102318367A (zh) * | 2009-09-04 | 2012-01-11 | 日东电工株式会社 | 话筒用透声膜以及具备其的话筒用透声膜部件、话筒及具备话筒的电子设备 |
US20130083528A1 (en) * | 2010-02-02 | 2013-04-04 | EF-Materials Industries Inc. | Water-proof and dust-proof membrane assembly and apparatus using the same |
IT1399905B1 (it) * | 2010-04-21 | 2013-05-09 | Saati Spa | Struttura tessile laminare, particolarmente idonea per componenti acustici. |
JP5595802B2 (ja) * | 2010-06-15 | 2014-09-24 | 日東電工株式会社 | 伸びの異方性が小さいポリテトラフルオロエチレン多孔質膜およびその製造方法 |
EP2583734B1 (en) * | 2010-06-16 | 2020-12-23 | Nitto Denko Corporation | Waterproof air-permeable filter and uses thereof |
WO2012002754A2 (ko) * | 2010-06-30 | 2012-01-05 | 주식회사 아모그린텍 | 전기방사된 나노 섬유 웹을 이용한 액체 필터용 필터여재와 그 제조방법 및 이를 이용한 액체 필터 |
KR101460304B1 (ko) * | 2012-05-18 | 2014-11-21 | 주식회사 아모그린텍 | 방수 통음 시트 및 그 제조방법과, 방수 통음 시트를 구비한 전자기기 |
US9038773B2 (en) * | 2012-08-20 | 2015-05-26 | W. L. Gore & Associates, Inc. | Acoustic cover assembly |
US8739926B1 (en) * | 2012-11-21 | 2014-06-03 | Nitto Denko Corporation | Sound-transmitting membrane and electronic device equipped with sound-transmitting membrane |
JP6030155B2 (ja) * | 2012-12-11 | 2016-11-24 | アモグリーンテック カンパニー リミテッド | 防水通音シートおよびその製造方法 |
-
2013
- 2013-12-11 US US14/381,655 patent/US9510075B2/en active Active
- 2013-12-11 CN CN201380012039.9A patent/CN104159742B/zh active Active
- 2013-12-11 WO PCT/KR2013/011496 patent/WO2014092461A1/ko active Application Filing
- 2013-12-11 KR KR1020130154023A patent/KR101448674B1/ko active IP Right Grant
- 2013-12-11 EP EP13862024.0A patent/EP2808165B1/en active Active
- 2013-12-11 JP JP2014559848A patent/JP5913643B2/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100041839A (ko) | 2007-07-18 | 2010-04-22 | 닛토덴코 가부시키가이샤 | 방수 통음막, 방수 통음막의 제조 방법 및 그것을 사용한 전기 제품 |
KR20100112615A (ko) * | 2008-01-08 | 2010-10-19 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 나노섬유로 제조된 소수성 처리된 부직물을 포함하는 내수성 및 수증기 투과성 의복 |
KR20090128104A (ko) * | 2008-06-10 | 2009-12-15 | 코오롱패션머티리얼 (주) | 투습방수원단 및 그의 제조방법 |
KR20100024119A (ko) * | 2008-08-25 | 2010-03-05 | 코오롱패션머티리얼 (주) | 나노섬유를 이용한 방수원단 |
KR20110063492A (ko) * | 2009-01-21 | 2011-06-10 | 닛토덴코 가부시키가이샤 | 방수 통음막과 그 제조 방법 및 그것을 사용한 전기 제품 |
JP2010241047A (ja) * | 2009-04-08 | 2010-10-28 | Nitto Denko Corp | 防水通音膜とそれを用いた防水通音部材および電気製品 |
KR20120028693A (ko) * | 2010-09-15 | 2012-03-23 | 웅진케미칼 주식회사 | 투습성이 뛰어난 자외선 경화형 투습방수 원단 및 이의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
EP2808165A4 (en) | 2015-03-11 |
CN104159742A (zh) | 2014-11-19 |
US9510075B2 (en) | 2016-11-29 |
JP5913643B2 (ja) | 2016-04-27 |
US20150014088A1 (en) | 2015-01-15 |
JP2015511897A (ja) | 2015-04-23 |
KR101448674B1 (ko) | 2014-10-10 |
EP2808165A1 (en) | 2014-12-03 |
CN104159742B (zh) | 2016-03-16 |
KR20140075632A (ko) | 2014-06-19 |
EP2808165B1 (en) | 2018-02-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2014092459A1 (ko) | 방수통음시트 및 이의 제조 방법 | |
WO2014092462A1 (ko) | 방수통음시트 및 이의 제조 방법 | |
WO2014092461A1 (ko) | 방수통음시트 및 이의 제조 방법 | |
EP2914015B1 (en) | Waterproof sound-transmitting film, waterproof sound-transmitting member provided with same, electronic equipment, electronic equipment case, and waterproof sound-transmitting structure | |
KR101896367B1 (ko) | 방수 통기 시트 | |
KR101896366B1 (ko) | 방수 통음 시트 | |
CN107251572B (zh) | 音响声阻、具备该音响声阻的音响声阻构件及音响设备 | |
US9463607B2 (en) | Waterproof sound-permitting sheet, method of manufacturing same, and electronic device provided with waterproof sound-permitting sheet | |
WO2017034224A1 (ko) | 음향 장치 | |
WO2016195289A1 (ko) | 항균 드레싱 | |
KR20190034243A (ko) | 방수 통음 커버, 방수 통음 커버 부재 및 음향 장치 | |
WO2014007480A1 (ko) | 흡음성능이 향상된 흡음시트 및 그의 제조방법 | |
WO2018008909A1 (ko) | 방수 통음 시트 | |
KR102290013B1 (ko) | 방수 통음 시트 및 방수 통음 시트 제조 방법 | |
WO2022158826A1 (ko) | 방수 통음 시트 | |
WO2020106094A1 (ko) | 비전 검사가 용이한 방수 통음 시트 | |
WO2014021553A1 (ko) | 전자기기용 통기성 방수막 및 전자기기 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201380012039.9 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13862024 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2014559848 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14381655 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2013862024 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |