EP1903140B1 - Farbbeschichteter, verschmutzungsresistenter, leitfähiger Stoff und Herstellungsverfahren dafür - Google Patents

Farbbeschichteter, verschmutzungsresistenter, leitfähiger Stoff und Herstellungsverfahren dafür Download PDF

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Publication number
EP1903140B1
EP1903140B1 EP07116227A EP07116227A EP1903140B1 EP 1903140 B1 EP1903140 B1 EP 1903140B1 EP 07116227 A EP07116227 A EP 07116227A EP 07116227 A EP07116227 A EP 07116227A EP 1903140 B1 EP1903140 B1 EP 1903140B1
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EP
European Patent Office
Prior art keywords
resin
conductive cloth
coating layer
coated
fouling
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Not-in-force
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EP07116227A
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English (en)
French (fr)
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EP1903140A1 (de
Inventor
Feng-Chang Chang
Hsin-Feng Cho
Jian-Wen Cheng
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Formosa Taffeta Co Ltd
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Formosa Taffeta Co Ltd
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Publication of EP1903140A1 publication Critical patent/EP1903140A1/de
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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating 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
    • D06M11/83Treating 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
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601Process or apparatus
    • C23C18/1633Process of electroless plating
    • C23C18/1635Composition of the substrate
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601Process or apparatus
    • C23C18/1633Process of electroless plating
    • C23C18/1646Characteristics of the product obtained
    • C23C18/165Multilayered product
    • C23C18/1651Two or more layers only obtained by electroless plating
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18Pretreatment of the material to be coated
    • C23C18/20Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/28Sensitising or activating
    • C23C18/30Activating or accelerating or sensitising with palladium or other noble metal
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31Coating with metals
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/48Coating with alloys
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M10/00Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/04Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/06Inorganic compounds or elements
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0063Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N7/00Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
    • D06N7/0094Fibrous material being coated on one surface with at least one layer of an inorganic material and at least one layer of a macromolecular material
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00Functionality of the treatment composition and/or properties imparted to the textile material
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N2209/00Properties of the materials
    • D06N2209/04Properties of the materials having electrical or magnetic properties
    • D06N2209/041Conductive
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N2209/00Properties of the materials
    • D06N2209/04Properties of the materials having electrical or magnetic properties
    • D06N2209/046Anti-static
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N2209/00Properties of the materials
    • D06N2209/08Properties of the materials having optical properties
    • D06N2209/0807Coloured

Definitions

  • the present invention relates to a technical field of conductive cloth, and more particularly to a color-coated, fouling-resistant conductive cloth with low surface resistance and a manufacturing method thereof.
  • the current conductive cloth is formed by performing electroless plating to form metallized fabrics.
  • the conductive cloth has a metallic copper appearance, when plating copper and nickel, the conductive cloth is silvery gray, when plating silver, the conductive cloth is silvery white, or when plating gold, the conductive cloth is golden.
  • the conductive cloth is soft, smooth, and gas permeable, and has the advantages of being lightweight and easily cut.
  • the conductive cloth cannot be dyed through using the dyeing technique for common cloth. Therefore, compared with the common cloth with various colors, the appearance of the conductive cloth is relatively dull and is limited in application.
  • the surface of the conductive cloth is formed by a metal layer, such as copper, nickel, silver, or gold, it is likely to be influenced by the environmental temperature and humidity, and to be affected by hand traces or other contacts during operation, thus resulting in defects, i.e., oxidation, hand traces, contaminated appearance, or raised surface resistance.
  • a metal layer such as copper, nickel, silver, or gold
  • the polyurethane resin or acrylic resin with conductive carbon black is coated on the conductive cloth, so as to get a conductive cloth having a black conductive coating layer.
  • the coated carbon black is thick, and the conductivity of the carbon black is about 1 ⁇ to about 1000 ⁇ , the conductive cloth having the carbon black coating layer cannot maintain the same low surface resistance as the original conductive cloth.
  • the surface resistance of the conductive cloth is about 0.007 ⁇ / ⁇ to about 1 ⁇ / ⁇ .
  • the blackness of the carbon black is too dull to exhibit a bright shade of blackness, and what's worse; there is merely a single choice of black, which severely restricts applications of the product.
  • JP 40 48697 discloses to obtain such electromagnetic shielding material that has an excellent adhesion, a high corrosion-resistant property, a high conductivity and a high electromagnetic shielding property by depositing a conductive film on the surface of an iron base material through a conductive metal thin film layer. On the surface of an iron base material, a conductive film is deposited through a conductive metal thin film layer. For the conductive metal thin film layer, an electroless copperplated layer or an electroless nickel- plated layer is desirable. The electroless nickel-plated layer is best suitable because it probides the electromagnetic shielding material with a high corrosion- resistant property and it enjoys an excellent adhesion with the conductive film.
  • JP 11 346089 (A ) discloses to obtain improved surface conductivity and environmental resistance performance that metal originally has, by providing a resin layer on a metal covering being provided on the surface of conductive cloth using the cation-type anode process.
  • a resin layer is provided on the metal covering by the cation-type anode process. More specifically, after resin is dissolved into water by a neutralizer, a resin layer is given and cured by the cation-type anode process with the conductive cloth as a cathode.
  • a fiber cloth and silk to be used is a synthetic fiber of a polyester fiber, a polyamide fiber, a polyacrylic fiber, or a polyorefin fiber, or a chemical fiber cloth made of a mixed spun product between them and a natural fiber.;
  • a plating bath consists of a metal salt, a reducing agent, a buffering agent, a pH adjuster, and the like. Metal such as silver, copper, and nickel is used for electroless plating.
  • the current conductive cloth Since the current conductive cloth has color restriction defects and is easily influenced by the environment, it is necessary to improve the current conductive cloth.
  • one object of the invention is to provide a color-coated conductive cloth, capable of preventing artificial or environmental contamination from influencing the characteristics thereof, and maintaining the original low surface resistance.
  • Another object of the invention is to provide a method of manufacturing a color-coated, fouling-resistant conductive cloth.
  • the method includes the steps of providing a conductive cloth interwoven by natural fibers or artificial fibers and containing a metal layer; and forming at least one colored resin-coating layer on the metal layer of the conductive cloth, wherein the surface of the resin-coating layer does not exceed intersections of warp yarns and weft yarns of the conductive cloth.
  • a method of manufacturing a color-coated, fouling-resistant conductive cloth comprising providing a conductive cloth interwoven by natural fibers or artificial fibers and containing a metal layer and forming at least a colored resin-coating layer on the metal layer of the conductive cloth, by means of blade coating, wherein the surface of the resin-coating layer does not exceed intersections of warb yarns and weft yarns of the conductive cloth. It is further possible, as an example, to coat one to four layers to adjust the shade of the color for the coating layer, and each coating layer is coated on the recessed regions of the cloth but does not exceed the intersections of warp yarns and weft yarns of the cloth.
  • the natural fibers used in the method can be any natural fiber, for example, but not limited to, cotton, hemp, silk, or wool; and the artificial fibers can be any artificial fiber, for example, but not limited to, rayon fiber, nylon fiber, polyester fiber, or acrylic fiber.
  • the metal used can be any metal with desirable conductivity, for example, but not limited to, copper, nickel, silver, gold, or an alloy thereof.
  • the pigment used in the method can be dyes of any color, for example, carbon black, pigments of organic black, red, blue, green, or gold, or obtained by formulating dyes of any desired color.
  • the usage amount of the pigment is about 1% to about 20% of the resin coating formulation.
  • the resin can be a solvent-based resin or an aqueous resin, for example, but not limited to, polyurethane resin, polyester resin, acrylic resin, latex resin, or silicone resin.
  • the usage amount of the resin is about 10% to about 70% of the resin coating formulation.
  • the following additives can be optionally added to the resin coating formulation: a cross-linking agent, for example, but not limited to, isocyanate or melamine, with an amount of about 1% to about 10% of the resin coating formulation; a solvent, for example, but not limited to, toluene, methyl ethyl ketone (MEK), dimethylformamide (DMF), with an amount of about 30% to about 60% of the resin coating formulation, so as to dilute the resin coating formulation to a viscosity of about 1000 cps to about 20,000 cps.
  • a cross-linking agent for example, but not limited to, isocyanate or melamine
  • MEK methyl ethyl ketone
  • DMF dimethylformamide
  • the process of coating the thin coating layer of color resins is formed by means of blade coating together with a scraper to scrape off the redundant resin on the surface, so as to form the thin coating layer.
  • the blade coating process can be suspension blade coating, so as to accurately control the coating amount of each coating layer.
  • the scraper can be a J-shaped scraper or a U-shaped scraper, and has a thickness of about 0.5 mm to about 5 mm.
  • the contact area for the scraper once the scraper is pressed on the conductive cloth is about 0.5 mm to about 20 mm.
  • the coating amount for each time is about 0.1 g/M 2 to about 8 g/M 2 , and then after coating, the cloth is dried at about 80°C to about 160°C for about 1 min to about 3 min.
  • the present invention further provides a color-coated, fouling-resistant conductive cloth, which includes a conductive cloth, interwoven by natural fibers or artificial fibers and containing a metal layer; and at least one colored resin-coating layer, coated on the metal layer of the conductive cloth through blade coating, wherein the surface of the resin-coating layer does not exceed the intersections of warp yarns and weft yarns of the conductive cloth.
  • the surface resistance of the conductive cloth before being coated with the colored resin-coating layer is about 0.007 ⁇ / ⁇ to about 0.1 ⁇ / ⁇ , and the surface resistance after being coated with colored resin-coating layer is about 0.007 ⁇ / ⁇ to about 0.1 ⁇ / ⁇ .
  • a relatively lower amount of coating is applied and the coating layer formed through multiple coating processes does not exceed the intersections of warp yarns and weft yarns of the conductive cloth, so as to present a desired color on a single surface or double surfaces of the conductive cloth, so that the conductive cloth exhibits an appearance with an uniform color and shade of the color. Furthermore, the appearance and conductivity of the metal layer on the surface of the conductive cloth are not influenced by artificial or environmental contaminations due to the protection of the thin resin-coating layer.
  • the color-coated conductive cloth still has the same surface conductivity as that of the original conductive cloth, and the surface resistance is not increased due to the excessively thick coating layer.
  • the conductive cloth of the present invention has the characteristics of colored appearance, artificial or environmental contamination resistance, and low surface resistance.
  • the conductive cloth of the present invention can be made into conductive cloth tapes, conductive cloth foams, or conductive cloth pads after being coated with or after adhering the latter to them, conductive pressure-sensitive adhesives or heat-melting adhesives.
  • the conductive cloth of the present invention can have the anti-radiation and antistatic properties, so that it can prevent electromagnetic waves leaking from the electronic machine from affecting the electronic machine itself or other electronic machines and causing incorrect operations thereby.
  • Example 1 Preparation of a color-coated, fouling-resistant conductive cloth
  • the color-coated, fouling-resistant conductive cloth is prepared through the following steps.
  • Plainweave cloth with a thickness of 0.1 mm is interwoven by polyester fibers, which has warp yarns 50 denier/36 filaments, weft yarns 50 denier/72 filaments, warp density 152 yams/inch, and weft density 124 yams/inch.
  • Electroless plating After the scouring and cleaning, thermal setting, surface roughening, and surface adjusting processes, the cloth is electroless plated with copper and nickel for metallization.
  • the electroless plating process is well-known to those skilled in the art, and includes the following steps: firstly, activating: at 30°C, the cloth is immersed in a solution of 100 mg/L palladium chloride, 10 g/L stannous chloride, and 100 ml/L hydrochloric acid for 3 min, and then washed completely; next, acceleration: at 45°C, the cloth is immersed in 100 ml/L hydrochloric acid for 3 min, and then washed completely; and then, electroless plating of copper: at 40°C, the cloth is immersed in a solution of 10 g/L copper sulfate, 7.5 ml/L formaldehyde, 8 g/L sodium hydroxide, 30 g/L ethylene diamine tetraacetic acid tetrasodium salt (EDTA-4Na), and 0.25 ml/L stabilizer for 20 min, so as to uniformly plate 25 g/M 2 copper on the cloth, and then the cloth is washe
  • Preparing the resin coating formulation 100 g of two-component polyurethane resin, 9 g of isocyanate, 50 g of methyl ethyl ketone, 5 g of carbon black, and 5 g of black pigment (wherein the black pigment contains 32% carbon black, 3% dispersion agent, 20% acrylic resin, and 45% carrier) are mixed to form a bottom coating formulation with a viscosity of about 5000 cps; and 100 g of one-component polyurethane resin, 3 g of isocyanate, 50 g of methyl ethyl ketone, 10 g of carbon black, and 10 g of black pigment (wherein the black pigment contains 32% carbon black, 3% dispersion agent, 20% acrylic resin, and 45% carrier) are mixed to form a surface coating formulation with a viscosity of about 4000 cps.
  • Blade coating The formulated resin coating formulation is coated on the metal layer of the conductive cloth through a suspension machine, wherein the machine uses a J-shaped scraper with a thickness of 2 mm and the contact area for the scraper when it is pressed against the conductive cloth is 2 mm.
  • Comparative Example 1 Preparation of a carbon-coated, fouling-resistant conductive cloth
  • Example 1 The interweaving and electroless plating steps of Example 1 are repeated to form a silvery gray conductive cloth with a surface resistance of about 0.03 ⁇ / ⁇ ; and then, a resin coating formulation containing conductive carbon black is coated on the metal layer of the conductive cloth.
  • a bottom coating layer is formed on the conductive cloth with a bottom resin coating formulation containing 100 g of two-component polyurethane resin, 50 g of methyl ethyl ketone, 9 g of isocyanate, and 5 g of conductive carbon black and having a viscosity of about 5000 cps;
  • a surface coating layer is formed on the conductive cloth with a surface resin coating formulation containing 100 g of one-component polyurethane resin, 50 g of methyl ethyl ketone, 3 g of isocyanate, and 10 g of conductive carbon black and having a viscosity of about 4000 cps, and the total thickness of the dry film of the bottom coating layer and the surface coating layer is about 0.08 mm, to get a carbon-coated, grey black fouling-resistant conductive cloth.
  • the fouling-resistant effectiveness is tested by taking a conductive cloth that is cut with a cutting warp and weft of 10 cm x 10 cm as a sample, for testing the contamination caused by hand traces and residual traces left on the surface of the sample, wherein ⁇ indicates almost no contamination traces, ⁇ indicates fewer contamination traces, and X indicates severe contamination traces.
  • Table I Uncoated Cloth Comparative Example 1 Example 1 Color Silvery Gray Grey Black Deep Black Thickness 0.1 mm 0.18 mm 0.1 mm Surface Resistance 0.03 ⁇ / ⁇ 0.08 ⁇ / ⁇ 0.03 ⁇ / ⁇ Fouling-resistant Effectiveness X ⁇ ⁇ Shielding Effectiveness 80 dB 80 dB 80 dB 80 dB 80 dB 80 dB 80 dB 80 dB 80 dB
  • conductive cloth is made to exhibit a colored appearance, without affecting the surface conductivity of the original conductive cloth, and the conductive cloth also has the characteristics of anti-oxidation, fouling resistance, artificial or environmental contamination resistance, and stable, constant performance, which is helpful for expanding applications of the conductive cloth.
  • the present invention relates to a color-coated, fouling-resistant conductive cloth and a manufacturing method thereof.
  • the method includes the steps of providing a conductive cloth interwoven by natural fibers or artificial fibers and containing a metal layer, and forming at least one colored resin-coating layer on the metal layer of the conductive cloth by means of blade coating, wherein the surface of the resin-coating layer does not exceed the intersections of warp yarns and weft yarns of the conductive cloth.
  • the conductive cloth of the present invention has the characteristics of colored appearance, artificial or environmental contamination resistance, and low surface resistance.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Laminated Bodies (AREA)

Claims (10)

  1. Verfahren zur Herstellung eines farbbeschichteten, verschmutzungsresistenten leitfähigen Stoffs, das umfasst:
    Bereitstellen eines leitfähigen Stoffs, der mit natürlichen Fasern oder künstlichen Fasern verwoben ist und eine Metallschicht enthält; und
    Bilden zumindest einer gefärbten Harz-beschichteten Schicht auf der Metallschicht des leitfähigen Stoffs mittels Rakelstreichen, wobei die Oberfläche der Harz-beschichteten Schicht Kreuzungen von Kettgarn und Schussgarn des leitfähigen Stoffs nicht überschreitet.
  2. Herstellungsverfahren nach Anspruch 1, wobei die natürlichen Fasern Baumwolle, Hanf, Seide oder Wolle umfassen; die künstlichen Fasern Reyonfaser, Nylonfaser, Polyesterfaser oder Acrylfaser umfassen; die Metallschicht durch stromloses Plattieren von Kupfer, Nickel, Silber, Gold oder einer Legierung davon gebildet wird; und die gefärbte Harz-beschichtete Schicht ungefähr 1% bis ungefähr 20% Pigment und ungefähr 10% bis ungefähr 70% Harz umfasst.
  3. Herstellungsverfahren nach Anspruch 2, wobei das Pigment Schwarz-, Rot-, Blau-, Grün- und Goldpigmente oder andere Pigmente von zusammengesetzten Farben umfasst und das Harz ein Lösungsmittel-basiertes oder ein wässriges Harz ausgewählt aus der Gruppe bestehend aus Polyurethanharz, Polyesterharz, Acrylharz, Latexharz und Silikonharz umfasst.
  4. Herstellungsverfahren nach Anspruch 2, wobei die gefärbte Harz-beschichtete Schicht ferner ungefähr 1% bis ungefähr 10% Vernetzungsmittel ausgewählt aus der Gruppe bestehend aus Isocyanat und Melamin und ungefähr 30% bis ungefähr 60% Lösungsmittel ausgewählt aus der Gruppe bestehend aus Toluol, Methylethylketon und Dimethylformamid umfasst.
  5. Herstellungsverfahren nach Anspruch 1, wobei der Oberflächenwiderstand des leitfähigen Stoffs, bevor er mit der gefärbten Harz-beschichteten Schicht beschichtet wird, ungefähr 0,007 Ω/□ bis ungefähr 0,1 Ω/□ ist, und der Oberflächenwiderstand, nachdem er mit der gefärbten Harz-beschichteten Schicht beschichtet wurde, ungefähr 0,007 Ω/□ bis ungefähr 0,1 Ω/□ ist.
  6. Farbbeschichteter, verschmutzungsresistenter leitfähiger Stoff, der einen leitfähigen Stoff, der mit natürlichen Fasern oder künstlichen Fasern verwoben ist und eine Metallschicht enthält, und zumindest eine gefärbte Harz-beschichtete Schicht, die auf die Metallschicht des leitfähigen Stoffs mittels Rakelstreichen beschichtet ist, umfasst, wobei die Oberfläche der Harz-beschichteten Schicht Kreuzungen von Kettgarn und Schussgarn des leitfähigen Stoffs nicht überschreitet.
  7. Verschmutzungsresistenter leitfähiger Stoff nach Anspruch 6, wobei die natürlichen Fasern Baumwolle, Hanf, Seide oder Wolle umfassen; die künstlichen Fasern Reyonfaser, Nylonfaser, Polyesterfaser oder Acrylfaser umfassen; die Metallschicht durch stromloses Plattieren von Kupfer, Nickel, Silber, Gold oder einer Legierung davon gebildet ist; und die gefärbte Harz-beschichtete Schicht ungefähr 1% bis ungefähr 20% Pigment und ungefähr 10% bis ungefähr 70% Harz umfasst.
  8. Verschmutzungsresistenter leitfähiger Stoff nach Anspruch 7, wobei das Pigment Schwarz-, Rot-, Blau-, Grün- und Goldpigmente oder andere Pigmente von zusammengesetzten Farben umfasst und das Harz ein Lösungsmittel-basiertes oder ein wässriges Harz ausgewählt aus der Gruppe bestehend aus Polyurethanharz, Polyesterharz, Acrylharz, Latexharz und Silikonharz umfasst.
  9. Verschmutzresistenter leitfähiger Stoff nach Anspruch 7, wobei die gefärbte Harz-beschichtete Schicht ferner ungefähr 1% bis ungefähr 10% Vernetzungsmittel ausgewählt aus der Gruppe bestehend aus Isocyanat und Melamin und ungefähr 30% bis ungefähr 60% Lösungsmittel ausgewählt aus der Gruppe bestehend aus Toluol, Methylethylketon und Dimethylformamid umfasst.
  10. Verschmutzungsresistenter leitfähiger Stoff nach Anspruch 6, wobei der Oberflächenwiderstand des leitfähigen Stoffs, bevor er mit der gefärbten Harz-beschichteten Schicht beschichtet wurde, ungefähr 0,007 Ω/□ bis ungefähr 0,1 Ω/□ ist und der Oberflächenwiderstand, nachdem er mit der gefärbten Harz-beschichteten Schicht beschichtet wurde, ungefähr 0,007 Ω/□ bis ungefähr 0,1 Ω/□ ist.
EP07116227A 2006-09-12 2007-09-12 Farbbeschichteter, verschmutzungsresistenter, leitfähiger Stoff und Herstellungsverfahren dafür Not-in-force EP1903140B1 (de)

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DE102012112153A1 (de) 2012-12-12 2014-06-26 Rembert Born Verfahren zur Herstellung einer textilbasierten Elektrode, Elektrode und Verwendung

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DE102013225702A1 (de) 2013-12-12 2015-06-18 Rembert Born Textilbasierte Elektrode, Verfahren zu deren Herstellung sowie Verwendung
CN105754512A (zh) * 2016-03-28 2016-07-13 江苏伊诺尔新材料科技有限公司 雾面防指纹、抗刮导电布单面胶带及制备方法
CN109733012B (zh) * 2019-01-02 2020-10-13 中国船舶重工集团公司第七二五研究所 一种基于仿生强韧化结构的防污材料及其制备方法
CN114086402B (zh) * 2021-12-02 2022-12-09 湖南昇通新材料科技有限公司 一种超低电阻黑色导电布及其制备方法
CN114921963B (zh) * 2022-04-29 2023-08-25 安安(中国)有限公司 一种合成革的生产工艺及金属镂空合成革

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JPH0448697A (ja) 1990-06-13 1992-02-18 Kowa Kogyosho:Kk 電磁シールド材およびその製造方法
CN1232102A (zh) * 1998-04-14 1999-10-20 江都市第一绳网厂 涂覆式阻燃密目立网及其制造方法
JP4112075B2 (ja) 1998-05-29 2008-07-02 セーレン株式会社 導電性布帛とその製造方法
CN1231109C (zh) * 2002-06-24 2005-12-07 古河电气工业株式会社 电磁波屏蔽垫片
CN100351289C (zh) * 2005-07-13 2007-11-28 安徽大学 水系聚氨酯-含硅丙烯酸树脂织物涂层胶的制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012112153A1 (de) 2012-12-12 2014-06-26 Rembert Born Verfahren zur Herstellung einer textilbasierten Elektrode, Elektrode und Verwendung
DE102012112153B4 (de) 2012-12-12 2018-05-09 Rembert Born Verfahren zur Herstellung einer textilbasierten Elektrode sowie textilbasierte Elektrode

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