WO2008125968A2 - 金属被覆布帛 - Google Patents
金属被覆布帛 Download PDFInfo
- Publication number
- WO2008125968A2 WO2008125968A2 PCT/IB2008/000925 IB2008000925W WO2008125968A2 WO 2008125968 A2 WO2008125968 A2 WO 2008125968A2 IB 2008000925 W IB2008000925 W IB 2008000925W WO 2008125968 A2 WO2008125968 A2 WO 2008125968A2
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- WO
- WIPO (PCT)
- Prior art keywords
- flame
- metal
- coated fabric
- retardant
- resin
- Prior art date
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Classifications
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- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/282—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing phosphorus
- D06M13/285—Phosphines; Phosphine oxides; Phosphine sulfides; Phosphinic or phosphinous acids or derivatives thereof
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
- H05K9/009—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive fibres, e.g. metal fibres, carbon fibres, metallised textile fibres, electro-conductive mesh, woven, non-woven mat, fleece, cross-linked
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- 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
- B32B5/18—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 features of a layer of foamed material
-
- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
-
- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
-
- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/325—Amines
- D06M13/332—Di- or polyamines
-
- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/325—Amines
- D06M13/335—Amines having an amino group bound to a carbon atom of a six-membered aromatic ring
-
- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/395—Isocyanates
-
- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/44—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen containing nitrogen and phosphorus
-
- 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
- D06M23/04—Processes in which the treating agent is applied in the form of a foam
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0015—Gaskets or seals
-
- 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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
-
- 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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/30—Flame or heat resistance, fire retardancy properties
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2631—Coating or impregnation provides heat or fire protection
- Y10T442/2672—Phosphorus containing
- Y10T442/2689—A phosphorus containing compound and a nitrogen containing compound
Definitions
- the present invention relates to a metal-coated fabric, and more particularly to a metal-coated fabric and a gasket used for shielding electromagnetic waves generated from electronic devices and for countermeasures against static electricity.
- an electromagnetic shielding gasket As an example of an electromagnetic shielding gasket, a flexible foam material is used as a core material, and a conductive cloth is rubbed and adhered to the core material.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2 0 3 0-2 4 3 8 7 3
- Patent Document 2 Japanese Patent Laid-Open No.
- a conductive thin film is interposed on one side of a film-like support, and a conductive flame retardant adhesive layer is further provided.
- a flame retardant electromagnetic wave shielding material having a three-layer structure formed by laminating is disclosed.
- the flame retardant a non-halogen phosphorous flame retardant is used, and conductive powder is added for the purpose of imparting conductivity to the adhesive layer.
- Such flame-retardant electromagnetic shielding material lacks the conductivity of the film support, although environmental considerations have been made. In addition, it is flexible only for bending in one direction, but is inadequate as an electromagnetic shielding gasket because it lacks flexibility in three-dimensional deformation.
- Patent Document 3 Japanese Patent Laid-Open No.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2 0 03 _ 2 4 3 8 7 3
- Patent Document 2 Japanese Patent Application Laid-Open No. 2 2003- 2 5 8 4 80
- Patent Document 3 Japanese Patent Laid-Open No. 2000-29 9 44 7 Disclosure of Invention
- the present invention has been made in view of such a current situation, and has excellent electromagnetic shielding performance as an electromagnetic shielding gasket, and does not contain halogen compounds or antimony compounds in consideration of the environment.
- An object of the present invention is to provide a flame-retardant metal-coated fabric exhibiting high flame retardancy. Means for solving the problem
- the inventors of the present invention have desired characteristics by forming a flame-retardant film made of the composition according to the present invention on at least one side of a metal-coated fabric. And the present invention has been completed.
- an organophosphorus compound containing no halogen and antimony is used.
- the present invention has a layer comprising a composition comprising the following (A) to (E) on at least one side of a metal-coated fabric.
- At least one flame retardant aid selected from melamin, mela-cyanurate optotris (2-hydroxykistil) soyate
- blowing agent particle selected from thermally expandable graphite, azodicarbonamide, azobisisoptylonitrile and N, N′-dinitrosopentamethylenetetramine;
- the compounding ratio of each component in the composition is a weight ratio
- the metal-coated fabric may be designed so as not to cause discoloration and corrosion of the metal coating surface in an environmental durability test for 1,00 hours under conditions of a temperature of 6 and a humidity of 90%.
- the present invention also relates to an electromagnetic wave shielding gasket having a core material made of a synthetic resin foam and the flame-retardant metal-covered fabric for rotating the core material.
- the above flame-retardant metal-coated fabric has excellent electromagnetic shielding properties and high flame retardancy. It also has flexibility. In addition, it has excellent adhesion between the core material when the gasket is formed and the fire-retardant metal-coated fabric that has been wound, and environmental considerations are also made.
- the flame-retardant metal-coated fabric does not contain an antimony compound that is harmful to the human body, and does not generate toxic halogen gases such as dioxins during combustion. Further, by forming a layer with a composition containing a thermoplastic resin having a low heat softening temperature, it is not necessary to use an adhesive separately when manufacturing the gasket. Therefore, a gasket can be obtained with a small number of manufacturing processes.
- an organic phosphorus compound is used. Examples of organic phosphorus compounds include organic phosphinates and phosphazene compounds. These are sparingly soluble in water.
- the fabric of the present invention is left under high temperature and high humidity for a long time as typified by an environmental durability test, discoloration or corrosion of the metal coating does not occur, and the electromagnetic wave shielding property can be maintained for a long time. it can.
- a flame retardant hardly soluble in water can be used.
- Certain embodiments of the flame retardant metal coated fabric do not include a flame retardant that lowers the pH of the system in environmental durability testing. For example, it does not contain a flame retardant such as ammonium polyphosphate used in Comparative Example 1 described later.
- ammonium polyphosphate ammonia volatilizes and disappears under long-term high temperature and high humidity conditions as typified by environmental durability tests, and polyphosphoric acid is generated. This reduces the pH of the system.
- the acid phosphonate ester used in Comparative Example 2 described later is not included as a flame retardant.
- Acidic phosphonates contain at least one ester substituent with 3 or less carbon atoms.
- Such flame retardants generate acid and reduce the pH of the system under long-term high temperature and high humidity conditions as typified by environmental durability tests. Use of such flame retardants may cause discoloration and corrosion of the metal coating and a significant decrease in conductivity.
- flame retardants examples include phosphonates, phosphates, and polyphosphates and acidic phosphates in addition to acidic phosphonates.
- acidic phosphoric acid esters include phosphoric acid monoesters and phosphoric acid diesters.
- the use of phosphonic acid esters containing only ester substituents having 4 or more carbon atoms can also be avoided.
- the flame retardant does not include either acidic phosphonates or ammonium polyphosphate salts. In another embodiment, the flame retardant does not include either an acidic phosphonate ester or an ammonium salt.
- the flame-retardant metal-coated fabric of the present invention comprises a metal-coated fabric having a first surface and a second surface, and a coating layer formed on the first surface side. And a flame-retardant metal-coated fabric containing no antimony,
- the coating layer includes an organophosphorus compound and a thermoplastic resin
- the flame-retardant metal-coated fabric does not contain a flame retardant that lowers the pH of the system in an environmental durability test of 1, 00 hours under a temperature of 60% and a humidity of 90%.
- the flame-retardant metal-coated fabric has a surface conductivity of 0.2 ⁇ or less after performing the environmental durability test
- the flame-retardant metal-coated fabric has no discoloration on the surface of the metal coating after the environmental durability test, and
- a gasket produced using the flame-retardant metal-coated fabric is a flame-retardant metal-coated fabric that satisfies the flame retardancy according to the UL94 V-0 test method.
- Examples of the fabric used in the present invention include woven fabrics, knitted fabrics, and nonwoven fabrics, and are not particularly limited. Of these, a woven fabric can be used in terms of the strength and thickness uniformity of the fabric.
- the fiber materials used are polyester (polyethylene terephthalate, polybutylene terephthalate, etc.), polyamide (nylon 6, nylon 66, etc.), polyolefin (polyethylene, polypropylene, etc.), and polyatlonlonite.
- Synthetic fibers such as ril, polyvinyl alcohol and polyurethane, semi-synthetic fibers such as cellulose (diacetate, triacetate, etc.), protein (promix, etc.), cellulose (rayon, Cubula, etc.), protein fibers (casein fiber, etc.), and other natural fibers such as cell mouths (cotton, hemp, etc.) and protein systems (wool, silk, etc.). More than one type may be combined. Among these, synthetic fibers can be used in consideration of processability and durability, and polyester fibers can be selected among the synthetic fibers. Further, from the viewpoint of safety, it is possible to select a halogen compound, an antimony compound, or a fiber that does not contain red phosphorus.
- the total fineness of the fibers used can be 1 1 to 1 6 7 dtex, and can further be 3 3 to 8 4 dtex.
- the fiber surface of the fabric is coated with metal.
- a coating method a conventionally known method such as a vapor deposition method, a sputtering method, an electric plating method, and an electroless plating method can be employed.
- the electroless plating method or a combination of the electroless plating method and the electrical plating method can be used.
- impurities such as glue, oil and dust adhering to the fiber surface may be completely removed in advance by a scouring process.
- a conventionally known method can be employed for the scouring treatment, and is not particularly limited.
- the metal to be coated include gold, silver, copper, zinc, nickel, and alloys thereof. Of these, copper and nickel can be used given their conductivity and manufacturing costs.
- the film formed of these metals may be one layer or two layers.
- the thickness of the metal coating increases, and the fabric texture may become harder and the manufacturing cost may increase.
- the same kind of metal may be laminated in two layers, or different metals may be laminated. These may be set as appropriate in consideration of the required electromagnetic shielding properties and durability.
- the coating amount of the metal can be 5 to 80 g / m 2, and further can be 10 to 50 g / m 2 . By setting the metal coating amount within the above range, sufficient shielding properties as a shielding material can be obtained, and the texture of the metal-coated fabric can be prevented from becoming coarse.
- the flame retardant metal-coated fabric comprises a flame retardant (A) and (B), (C) a flame retardant aid, (D) a foaming agent on at least one side of the metal-coated fabric. It has a layer composed of particles and a composition (hereinafter referred to as (G) composition) in which (E) a thermoplastic resin (hereinafter referred to as (E) thermoplastic resin) is blended. Each component constituting this composition may be blended in a specific ratio with respect to 100 parts by weight of the thermoplastic resin (E). .
- a flame retardant composed of an organic acid salt containing no halogen or antimony can be used as the component (A).
- organic acid salts those which are hardly soluble in water can be used.
- an organic acid salt containing phosphorus can be used.
- An example of such a flame retardant is an organic phosphinate.
- the organic phosphinic acid salts include those described in Japanese Patent Application Laid-Open No. 2000-285 1 6 98. Among them, those represented by the following general formula (I) are used. can do.
- R 1 and 12 are a methyl group or an ethyl group, which may be the same or different, M is magnesium or aluminum, and m is 2 or 3.
- examples thereof include dimethylphosphinic acid, jetylphosphinic acid, aluminum salt or magnesium salt of dipropylphosphinic acid.
- flame retardancy Aluminum dimethylphosphinate or aluminum jetylphosphinate can be used.
- a diphosphinic acid salt represented by the following formula may be used as the component (A).
- R i and R 2 are a methyl group or an ethyl group, and may be the same or different.
- R 3 is a linear or branched C 1 10 arylene or alkyl arylene or Aryl is alkylene
- M is magnesium or aluminum
- n is 1 or 3
- X is 1 or 2 m is 2 or 3
- the amount of organic phosphinate (A) is
- the thermoplastic resin (E) can be 100 parts by weight with respect to 100 parts by weight. In another embodiment, it can be 15 to: 100 parts by weight. In still another embodiment, the content can be 2070 parts by weight.
- the component (B) can be added as another flame retardant.
- a component which is hardly soluble in water can be used.
- an organic compound containing no halogen or antimony can be used.
- an organic compound containing phosphorus can be used.
- An example of such a flame retardant is a phosphazene compound.
- examples of the component (B) include cyclic phosphazene compounds represented by the following general formula (I I). Such a compound is described in, for example, JP-A No. 10-29 8 1 88.
- R 3 and R 4 are a methoxy group, an ethoxy group or a phenoxy group, and may be the same or different.
- N represents 37.
- hexamethyoxycyclotriphosphazene Octamethoxycyclotetrajo Suphazene, Hexataxin Chloriphosphazene, Octaethoxycyclotetraphosphazene, Hexaphenoxycyclotriphosphazene, Octaphenoxycyclotetraphosphazene, 2, 4, 6—Trimethoxy I 2, 4, 6 — Trieoxycyclotriphosphazene, 2, 4, 6— Trimethyoxy 2, 4, 6— Triphenoxycyclotriphosphazene, 2, 4, 6— Trietoxycyclotriphosphazene, 2, 4, 6— Triphenoxycyclotriphosphazene, 2, 4, 6— Trietoxycyclotriphosphazene, 2, 4, 6— Triphenoxycyclotriphosphazene, 2,4,6,8-Tetramethoxy_ 2,
- 2, 4, 6-trimethoxy 2, 4, 6-triphenoxycyclotriphosphazene can be used in terms of flame retardancy.
- the compounding amount of the phosphazene compound may be 10 to 80 parts by weight with respect to 100 parts by weight of the thermoplastic resin (E) in one embodiment, and 15 to 6 in another embodiment. 0 parts by weight.
- Both the component (A) and the component (B) used in the present invention have a role of promoting the formation of the carbonized layer, and the component (B) has an effect of promoting the foaming of the expanded particles. A heat insulation layer is formed, and high flame retardancy performance against gaskets is exhibited.
- a flame retardant aid can be added as (C).
- Flame retardant aids can suppress the spread of fire during combustion by endotherm by thermal decomposition and dilution of oxygen and flammable gas by inert gas.
- Components that do not contain halogen or antimony can be used.
- the flame retardant aid include melamine and melamine cyanurate opitris (2-hydroxychetyl) isocyanate, and at least one selected from these can be used.
- a thermoplastic resin having a low thermal softening temperature is used as the thermoplastic resin described later, that is, when the layer of the composition (G) is given a role as a hot melt resin layer.
- melamine cyanurate should be used in terms of adhesion to the core material and the adhesion between the flame retardant metal coated fabric and the flame retardant performance when forming the gasket. Can do.
- the layer of the composition (G) (hereinafter sometimes referred to as a flame retardant layer) serves as a hot melt resin layer, the surface on which the flame retardant layer is formed is in contact with the core material. Turn the flame-retardant metal-coated fabric on to make a gasket.
- the flame retardant layer (hot melt resin layer) is responsible for adhesion to the core material and adhesion between the flame retardant metal-coated fabrics at the end of the fabric, so as described above,
- the adhesiveness of the flame retardant metal coated fabric and the recovered flame retardant metal coating fabric are important.
- the blending amount of the flame retardant aid may be 5 to 75 parts by weight with respect to 100 parts by weight of the thermoplastic resin (E) in one embodiment, and 10 to 4 in another embodiment. It can be 0 parts by weight.
- the blending amount of the flame retardant aid (C) is within the above range, the desired flame retardant performance can be imparted to the flame retardant metal coated fabric and the texture of the flame retardant metal coated fabric is rough. Can be prevented.
- foaming agent particles can be added as the component (D).
- the foaming agent particles can suppress the spread of fire during combustion by forming a foam heat insulating layer and diluting oxygen or combustible gas with an inert gas. Since the gasket core material is required to have cushioning properties, the material has many air gaps and is easy to take in air. As a result, when the flame arrives, the flame spreads very quickly and spreads easily. In addition, many of the materials used for the gasket core material melt by ripening, and flammable or non-flammable drops are likely to occur during combustion. In order to make such a gasket core material incombustible, it is necessary to form a heat insulating layer and suppress dripping.
- the component (D) those containing no halogen cyanide can be used.
- the foaming agent particles (D) at least one selected from thermally expandable graphite, azodicarbonamide, azobisisopropylnitrile, and N, N′-dinitrosopentamethylenetetramine is used. it can. Among them, thermally expandable graphite can be used in terms of foamability and expandability. Thermally expansive graphite is an acid inserted between the laminated linpen-like graphites. Gas is generated from the inserted acid by the heat generated during combustion, and the limpen-like graphite expands. A foam insulation layer is formed.
- the blending amount of the foaming agent particles (D) may be 2 to 50 parts by weight with respect to 100 parts by weight of the thermoplastic resin (E) in one embodiment, and 5 to 5 in another embodiment. It can be 40 parts by weight.
- a foaming effect can be secured and a sufficient heat insulating layer can be formed to give the flame retardant metal-coated fabric the desired flame retardant performance. it can. Further, it is possible to prevent the texture of the flame-retardant metal-coated fabric from becoming coarse and hard and to ensure adhesion to both the core material and the conductive fabric when the gasket is formed.
- the average particle diameter of the foaming agent particles (D) can be 300 ⁇ m or less. In another embodiment, it can be 13 to 300 ⁇ . In yet another embodiment, 5 0 to 3 0 0 ⁇ It can be.
- the fine foaming agent particles are a collection of particles having a certain particle size distribution. The applicant has found that by setting the average particle diameter within a predetermined range, flame retardancy and adhesiveness and flexibility when the composition (G) is applied to the metal-coated fabric can be satisfied.
- the average particle diameter of the foaming agent particles By setting the average particle diameter of the foaming agent particles within the above range, it is possible to maintain a desired foaming ratio, to form a sufficient heat insulating layer, and to impart desired flame retardancy to the flame retardant metal-coated fabric. it can. Further, by setting the average particle diameter of the foaming agent particles in the above range, it is possible to prevent the texture of the flame-retardant metal-coated fabric from becoming coarse and hard. Furthermore, when the composition (G) layer has a role as a hot melt resin layer, it does not impede the penetration of the thermoplastic resin core material during the formation of the gasket, and adheres to the core material. And the adhesiveness of the flame-retardant metal-coated fabrics that have been wound can be ensured. Furthermore, when the composition (G) is applied to the metal-coated fabric, the dispersibility of the foaming agent particles is kept uniform (no streaks or unevenness), thereby forming a uniform foam insulation layer. The flame retardancy can be maintained.
- a phosphoric acid triester can be used as the component (F).
- the phosphoric acid ester can plasticize the layer made of the composition (G).
- those containing no halogen or antimony can be used.
- the phosphorus content of the phosphate triester can be 6-11% by weight. In another embodiment, the phosphorus content may be 8 to 10% by weight.
- Examples of phosphoric acid triesters include trimethyl phosphate, triethyl phosphate, tributylin phosphate, tri-2-ethyl hexenoyl phosphate, triphenyl phosphate, triphenyl phosphate.
- biphenyl diphenyl phosphate can be used.
- Such phosphoric triesters do not reduce the pH of the system due to the generation of acid under long-term high temperature and high humidity conditions as typified by environmental durability tests.
- Such phosphoric acid triesters may contain acidic phosphoric acid esters, such as phosphoric acid monoesters or phosphoric acid diesters, but impurities that do not impair the effects of the present invention. As long as it is included.
- the blending amount of the phosphoric acid triester can be 3 to 40 parts by weight with respect to 100 parts by weight of the thermoplastic resin (E) in one embodiment, and 5 to 3 in another embodiment. 0 parts by weight, and in yet another embodiment, from 5 to 20 parts by weight.
- thermoplastic resin is used as the component (E).
- the thermoplastic resin can fix other constituents described above to the metal-coated fabric. That is, it can function as a binder-one resin.
- the flame retardant is applied to the synthetic resin foam as a core material. It acts as a hot melt resin for adhering a conductive metal-coated fabric.
- the thermoplastic resin used for such purpose include urethane resin, acrylic resin, polyamide resin, and polyester resin, and two or more of these may be combined.
- thermoplastic resin those which can be dissolved in a solvent for preparing a coating solution can be used.
- a thermoplastic resin that can be dissolved in dimethylformamide at room temperature to form a uniform polymer solution with a viscosity of (about) 800 cps can be used. Even if it is a thermoplastic resin, it can be avoided if it is highly covered.
- the thermoplastic resin has a thermal softening temperature between 70 and 130. In another embodiment, the thermoplastic resin has a thermal softening temperature between 80 and 120.
- the thermal softening temperature of the thermoplastic resin can be used as a hot melt resin.
- it is possible to appropriately perform winding after drying during coating production, and it is possible to prevent the coating resin from being transferred to the back surface of the winding during packaging transportation.
- troubles such as peeling from the core material in a high temperature environment can be prevented.
- the heat softening temperature of the thermoplastic resin By setting the heat softening temperature of the thermoplastic resin in the above range, it is possible to maintain good adhesion to the urethane foam that is the core material during the manufacture of the gasket, and to obtain a good quality gasket. It is also possible to set the conditions for the temperature setting of the gasket manufacturing machine so that the load on the manufacturing machine does not increase.
- the heat softening temperature refers to a temperature when the thermoplastic resin is heated and deformed to a certain value. It can be measured as follows. First, a film-like sample sheet having a width of 15 mm and a length of 50 m is made of the target thermoplastic resin. The thickness of the sample is arbitrary.
- composition (G) can be blended with other additives (H).
- additives those containing no halogen or antimony can be used.
- the additive can impart coloration, texture adjustment, and functionality such as insulation. The above performance such as flame retardancy
- Other additives can be blended within the range not inhibiting. Examples of such additives include elastomers such as silicone rubber, olefinic copolymer, modified nitrile rubber, and modified polybutadiene rubber, thermoplastic resins such as polyethylene, and pigments. .
- a commercially available component can be used without particular limitation.
- thermoplastic resin (E) those commercially available in a state dissolved in an organic solvent can be used.
- a solvent can be added to the composition (G) for the purpose of dissolving or dispersing various raw materials.
- the solvent include organic solvents such as benzene, toluene, xylene, methyl ethyl ketone, and dimethylformamide.
- mineral oil fractions such as industrial gasoline, petroleum naphtha, and terpenes may be used. Two or more of these can be combined. These can be used without halogens or antimony.
- the viscosity of the mixed treatment liquid containing the composition (G) may be 3 00 0 to 2 5 0 0 cps in one embodiment, and 8 0 0 to 0 in another embodiment. 2 0 0 0 0 cps.
- the preparation of the mixed treatment liquid is not particularly limited. A method in which various raw materials can be uniformly dispersed and mixed can be used. For example, dispersion mixing by propeller stirring and dispersion mixing by kneading with a roller or roller can be mentioned.
- the flame-retardant metal-coated fabric of the present invention can be produced by forming a layer made of the composition (G) on a metal-coated fabric, for example, by a direct coating method, a laminating method, or a bonding method. .
- a coating method a normal method using a knife coater, a mouth coater, a slit coater, or the like can be employed.
- the solvent is removed by drying or the like to form a flame retardant coating layer composed of the composition (G).
- the amount of the mixed treatment liquid applied to the metal-coated fabric can be set to 100 to 300% by weight as the weight of the layer made of the composition (G).
- a flame-retardant metal-coated fabric can be obtained by carrying out as exemplified above.
- the layer made of the composition (G) may be formed not only on one side of the fabric but also on both sides.
- other functional processing or special processing such as calendering may be performed.
- the metal-coated fabric may be preliminarily coated with acrylic resin, polyurethane resin, polyester resin or the like for the purpose of preventing back leakage.
- the sealing coating may be single-sided or double-sided.
- eye-coating can be applied to the surface on which the flame retardant layer is formed.
- a pigment may be added to the resin used for the sealing coating for the purpose of coloring, or a flame retardant may be added for the purpose of further improving the flame retardancy.
- flame retardants other than halogen compounds and antimony compounds can be selected.
- the applied amount of the resin can be 1 to 15 g / m 2 in a total amount in one embodiment, and 3 to 7 g Z m 2 in another embodiment.
- a synthetic resin foam having a three-dimensional structure that is flexible as a core material and has a high compression recovery property is used.
- foams made of synthetic resin characterized by flame retardancy such as silicone resin and melamine resin, polyethylene resin, polypropylene resin, polyurethane resin, polyester resin, polyimide resin.
- It may be a foam obtained by adding a flame retardant to a polybutadiene resin or the like, or foamed by impregnation with a flame retardant after foaming, coating or spraying.
- a polyurethane resin to which a flame retardant is added can be used.
- Polyurethane resin has a foamed foam that is flexible, highly compressible, has fewer steps, and is economical.
- the flame retardant used is not particularly limited as long as it is a flame retardant other than halogen compounds, antimony compounds, and red phosphorus.
- the gasket for electromagnetic wave shielding of the present invention has a low thermal softening temperature as the thermoplastic resin (E)
- the flame retardant metal of the present invention is used as the core material of the synthetic resin foam.
- the core fabric and the flame retardant metal coated fabric are bonded by heating to a temperature above the thermal softening point of the thermoplastic resin. Can do. Further, after laminating the hot melt resin on the surface having the flame retardant layer of the flame retardant metal-coated fabric of the present invention and squeezing the laminated surface inside, the thermal softening point of the hot melt resin It can be obtained by heating to the above temperature and bonding the core material and the flame-retardant metal-coated fabric. Among them, a thermoplastic resin having a low heat softening temperature can be used because the obtained gasket is excellent in flexibility.
- a gasket satisfying the flame retardancy according to the UL 94 V-0 test method can be produced.
- it has dimensions of 3 mm thick and 13 mm wide
- a gasket composed of a core material made of urethane foam having a weight of about 0.2 grams (containing no halogen compound or antimony compound) and the flame-retardant metal-coated cloth of the present invention surrounding the core material is Meets UL 9 4 V—0.
- the flame-retardant metal-coated fabric of the present invention can have a bending resistance according to JISL 1096 A method (45 ° cantilever method) of not more than 100. In another embodiment, the bending resistance can be 90 or less.
- the stiffness can be from about 50 to about 80.
- the surface conductivity of the flame-retardant metal-coated fabric after conducting an environmental durability test for 1,00 hours under the conditions of a temperature of 60 ° C. and a humidity of 90% Can be less than 0.2 ⁇ . In another embodiment, it can be 0.1 ⁇ or less. In still another embodiment, it can be 0.04 ⁇ or less.
- the metal film of the flame-retardant metal-coated fabric is subjected to an environmental durability test for 1,00 hours under conditions of a temperature of 60 ° C. and a humidity of 90%. Discoloration (corrosion) can be prevented from being confirmed.
- the obtained gasket A was evaluated for flame retardancy according to the UL 9 4 V-0 test method.
- the obtained gasket B was left for one day, and the metal-coated cloth was peeled off from the core material. The surface of the metal-coated fabric adhered to the core material was visually observed and evaluated.
- the core material has broken down and adhered to the metal-coated fabric surface.
- the obtained flame-retardant metal-coated fabric was measured for stiffness and flexibility according to the JISL 1096 A method (45 ° cantilever method). The smaller the value, the softer the texture.
- thermo-hygrostat manufactured by Tabai Espec, PR 3 KPH
- the obtained flame-retardant metal-coated fabric was left to stand for 100 hours. Thereafter, the following (4-1) and (4-2) were evaluated.
- the resistance value of the surface where the flame retardant coating was not formed was measured using a resistance value measuring instrument (Loresta — EP MC P — T 3 60 ESP type, manufactured by Mitsubishi Chemical Corporation). (4-2) Discoloration of metal coating (corrosive)
- Polyester fiber fabric (warp 5 6 dtex Z 3 6 f, weft 5 6 dtex Z 3 6 f) is scoured, dried and heat treated, then palladium chloride 0.3 gZL, stannous chloride 30 g, L, It was immersed in a 40 ° C. aqueous solution containing 36% hydrochloric acid 300 ml 1 ZL for 2 minutes and then washed with water. Subsequently, it was immersed in borohydric acid having an acid concentration of 0.1 N and 3 O for 5 minutes and then washed with water. Next, copper sulfate 7.5 g / L, 37% formalin 30 m 1 was immersed in an electroless copper plating solution at 85 ° C.
- Methyl ethyl ketone appropriate amount Viscosity was adjusted to 60,000 c ps by adjusting the amount of methyl ethyl ketone added. (Formation of flame retardant layer)
- the resulting flame-retardant metal-coated fabric is wrapped around a core (3 mm thick, 13 mm wide urethane foam EVA light GNK), and heated at a mold temperature of 170 ° C for 3 seconds. And bonded to create a cloth gasket. The obtained gasket was pushed to a length of 1 25 mm to obtain a gasket A.
- the core material does not contain halogen compounds or antimony compounds.
- the obtained flame-retardant metal-coated fabric was rubbed against a core (Bridgeton urethane foam Elite Light GNK with a thickness of 10 mm and a width of 10 mm) and heated at a mold temperature of 170 mm for 3 seconds. After processing and bonding, cloth-made gasket ⁇ was created.
- the core material does not contain a halogen compound or an antimony compound.
- a flame-retardant metal-coated fabric and a gasket were obtained in the same manner as in Example 1 except that the mixed treatment liquid of the following formulation 3 was used for forming the flame-retardant layer.
- Dimethylformaldehyde appropriate amount Viscosity can be adjusted by adjusting the amount of dimethylformaldehyde added. Adjusted to cps.
- a flame-retardant metal-coated fabric and a gasket were obtained in the same manner as in Example 1 except that the mixed treatment liquid of the following formulation 4 was used for forming the flame-retardant layer.
- Formula 4
- a flame retardant metal-coated fabric and a gasket were obtained in the same manner as in Example 1 using the mixed treatment liquid of the following formulation 5 for forming the flame retardant layer. Furthermore, an ester-based hot-melt urethane sheet (Elfuan Ichi PH 4 1 3 manufactured by Nippon Matai Co., Ltd.) was laminated on the same surface to provide an adhesive layer.
- an ester-based hot-melt urethane sheet (Elfuan Ichi PH 4 1 3 manufactured by Nippon Matai Co., Ltd.) was laminated on the same surface to provide an adhesive layer.
- a flame-retardant metal-coated fabric and a gasket were obtained in the same manner as in Example 1 by using the mixed treatment liquid of the following formulation 6 for forming the flame-retardant layer.
- Resin UD— 1 3 0 5 4 0 part Ester-based urethane resin, manufactured by Dainichi Seika Kogyo Co., Ltd., heat softening temperature 90 to 10 Ot) Dimethylformaldehyde appropriate amount
- the viscosity was adjusted to 80,000 cps by adjusting the amount of dimethylformaldehyde added.
- a flame-retardant metal-coated fabric and a gasket were obtained in the same manner as in Example 1 except that the mixed treatment liquid of the following formulation 7 was used for forming the flame-retardant layer.
- Formula 7
- a flame-retardant metal-coated cloth and a gasket were obtained in the same manner as in Example 1 except that the mixed treatment liquid of the following formulation 8 was used for forming the flame-retardant layer.
- Formula 8
- a flame retardant metal-coated fabric and a gasket were obtained in the same manner as in Example 1 using the mixed treatment liquid of the following formulation 9 for forming the flame retardant layer.
- the phosphonic acid ester used in Formula 9 is an acidic phosphonic acid ester (5-ethyl-1--2-methyl-1,3-dioxaphosphorinane _5-yl) methyldimethylphosphonetate P— Oxide and another phosphonate ester (bis [(5-ethyl-2-yl-1,3-, 2-dioxaphosphorinane-5-yl) methyl] methyl phosphonate—P, ⁇ '— (Dioxide) by weight 8: 2 mixture.
- Example 2 V-0 ⁇ 5 6 0. 0 3/0. 0 3 None Example 3 V-0 ⁇ 5 0 0. 0 2/0. 0 2 None Example 4 V-0 ⁇ 7 6 0. 0 4/0. 0 3 None Example 5 V-2 ⁇ 5 2 0. 0 2/0. 0 2 None Example 6 V-0 X 7 0 0. 0 3/0. 0 3 None Comparative Example 1 V- 0 ⁇ 5 6 0. 4 0/0. 3 5 Yes Comparative example 2 V-0 ⁇ 5 3 0. 2 5/0. 3 4 Yes Comparative example 3 V-0 ⁇ 5 2 0. 0 2/0. 0 3 None As is apparent from the results in Table 1, it was confirmed that particularly good results were obtained particularly in Examples 1 to 3.
- Example 4 had a slightly harder texture than Examples 1-3, but was otherwise good. .
- a flame retardant metal coated fabric and a gasket were obtained in the same manner as in Example 1 except that the mixed treatment liquid shown in Table 2 was used for forming the flame retardant layer.
- Table 2
- Table 3 shows the evaluation results for Examples 7 to 12.
- the hot melt adhesive strength was measured by the adhesive condition, iron 1800, and the self-back surface adhesive strength in 10 seconds.
- Table 3 Flammability V-1 V-0 V-0 V— 1 V-1 Not applicable Hot menorette
- Example 16 A flame-retardant metal-coated fabric and a gasket were obtained in the same manner as in Example 1 except that the same mixed treatment solution as in Example 9 was used. The evaluation results are shown in Table 4 including Example 9. Table 4
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Laminated Bodies (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Fireproofing Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CN2008800126905A CN101687387B (zh) | 2007-04-17 | 2008-04-16 | 金属包覆织物 |
EP20080750849 EP2143556A2 (en) | 2007-04-17 | 2008-04-16 | Metal-coated fabric |
KR1020097023820A KR101445772B1 (ko) | 2007-04-17 | 2008-04-16 | 금속 피복 천 |
US12/596,359 US20100116542A1 (en) | 2007-04-17 | 2009-04-16 | Flame retardant metal coated fabric, and electromagnetic wave shielding gasket |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2007-108624 | 2007-04-17 | ||
JP2007108624 | 2007-04-17 |
Publications (2)
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WO2008125968A2 true WO2008125968A2 (ja) | 2008-10-23 |
WO2008125968A3 WO2008125968A3 (ja) | 2009-02-12 |
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ID=39864434
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PCT/IB2008/000925 WO2008125968A2 (ja) | 2007-04-17 | 2008-04-16 | 金属被覆布帛 |
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US (1) | US20100116542A1 (ja) |
EP (1) | EP2143556A2 (ja) |
JP (1) | JP2008285804A (ja) |
KR (1) | KR101445772B1 (ja) |
CN (1) | CN101687387B (ja) |
TW (1) | TWI449828B (ja) |
WO (1) | WO2008125968A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100258344A1 (en) * | 2005-02-09 | 2010-10-14 | Laird Technologies, Inc. | Flame retardant emi shields |
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US8642900B2 (en) * | 2009-10-16 | 2014-02-04 | Emprimus, Llc | Modular electromagnetically shielded enclosure |
US8547710B2 (en) | 2009-10-16 | 2013-10-01 | Emprimus, Llc | Electromagnetically shielded power module |
US8760859B2 (en) | 2010-05-03 | 2014-06-24 | Emprimus, Llc | Electromagnetically-shielded portable storage device |
US8599576B2 (en) | 2010-10-29 | 2013-12-03 | Emprimus, Llc | Electromagnetically-protected electronic equipment |
US8754980B2 (en) | 2010-11-05 | 2014-06-17 | Emprimus, Llc | Electromagnetically shielded camera and shielded enclosure for image capture devices |
US8643772B2 (en) | 2010-11-05 | 2014-02-04 | Emprimus, Llc | Electromagnetically shielded video camera and shielded enclosure for image capture devices |
US9420219B2 (en) | 2010-12-20 | 2016-08-16 | Emprimus, Llc | Integrated security video and electromagnetic pulse detector |
WO2012088134A2 (en) | 2010-12-20 | 2012-06-28 | Emprimus, Inc. | Low power localized distributed radio frequency transmitter |
US8933393B2 (en) | 2011-04-06 | 2015-01-13 | Emprimus, Llc | Electromagnetically-shielded optical system having a waveguide beyond cutoff extending through a shielding surface of an electromagnetically shielding enclosure |
US20140060885A1 (en) * | 2012-08-30 | 2014-03-06 | Apple Inc. | Cable structures and systems and methods for making the same |
CA2906560C (en) | 2013-03-14 | 2021-04-20 | Emprimus, Llc | Electromagnetically protected electronic enclosure |
JP6441756B2 (ja) * | 2015-07-10 | 2018-12-19 | 株式会社トーキン | 難燃性複合磁性体 |
JP6704046B2 (ja) * | 2015-10-15 | 2020-06-03 | スリーエム イノベイティブ プロパティズ カンパニー | 非ハロゲン難燃性接着剤組成物及び同一のものを含むテープ |
CH712071A1 (de) * | 2016-01-29 | 2017-07-31 | Schoeller Textil Ag | Textilien mit Flammschutzfunktion. |
BR112019018985A2 (pt) * | 2017-03-28 | 2020-04-14 | Basf Se | material de moldagem termoplástico, processo para a produção de materiais de moldagem termoplásticos, uso de materiais de moldagem termoplásticos, artigo, fibra ou filme moldado, processo para a produção de artigos, fibras ou filmes moldados e uso de uma mistura |
JP7144246B2 (ja) * | 2018-08-31 | 2022-09-29 | 株式会社エフコンサルタント | 金属被覆構造 |
JP2020050699A (ja) * | 2018-09-25 | 2020-04-02 | 積水化学工業株式会社 | 耐火性樹脂組成物、及び熱膨張性シート |
CH716000B1 (de) * | 2019-03-26 | 2024-09-30 | Schoeller Textil Ag | Flammschutzbeschichtung für Textilien. |
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- 2008-04-16 KR KR1020097023820A patent/KR101445772B1/ko not_active IP Right Cessation
- 2008-04-16 WO PCT/IB2008/000925 patent/WO2008125968A2/ja active Application Filing
- 2008-04-16 EP EP20080750849 patent/EP2143556A2/en not_active Withdrawn
- 2008-04-16 CN CN2008800126905A patent/CN101687387B/zh not_active Expired - Fee Related
- 2008-04-17 JP JP2008108100A patent/JP2008285804A/ja active Pending
- 2008-04-17 TW TW97113937A patent/TWI449828B/zh not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
---|---|
US20100116542A1 (en) | 2010-05-13 |
KR101445772B1 (ko) | 2014-10-01 |
CN101687387B (zh) | 2013-08-28 |
JP2008285804A (ja) | 2008-11-27 |
CN101687387A (zh) | 2010-03-31 |
EP2143556A2 (en) | 2010-01-13 |
TWI449828B (zh) | 2014-08-21 |
WO2008125968A3 (ja) | 2009-02-12 |
KR20100027103A (ko) | 2010-03-10 |
TW200912086A (en) | 2009-03-16 |
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