Classifications

• • 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
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
  • H05B3/00—Ohmic-resistance heating
  • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
  • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
  • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
  • H05B2203/014—Heaters using resistive wires or cables not provided for in H05B3/54
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
  • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
  • H05B2203/036—Heaters specially adapted for garment heating

Definitions

• guide contacts as supply elements for electrical current in the case of surface heating elements are made of a low-resistance material, for example of metal.
• the graphite either on the conductive material, for example, or carbon black-containing polymer blends aufsch dipt be sewn or pressed.
• the use of such electrical contact elements is only suitable for objects that are not subject to permanent elastic stress.
• Multi-strand heating wires of electrically heated automobile seats can break partially or completely. Under certain circumstances, this can result. Multi-strand copper wires are therefore unsuitable as contact material.
• German patent application P 30 49 626.5 it is also known from German patent application P 30 49 626.5 to use highly metallized textile fabrics, such as metallized woven fabrics, knitted fabrics, knitted fabrics, nonwovens, felts, papers or similarly constructed, for example textile-elastic objects, as guide contacts.
• Raw fabrics containing woven copper wires which can also be tinned, can be used for the purpose of chemical metallization, e.g. Activate nickel plating in the conventional way with both ionogenic and colloidal noble metal catalysts, the woven metal wires serving as electrical feed contacts, which feed the electrical current evenly to the entire surface of the metallized fabric and thus enable uniform heating of the textile surface heating elements, but are by acidic ionic and colloidal activation baths small amounts of metal eg Copper detached and enriched during the activation treatment of the textile fabric. itself in ionic form in the precious metal activator bath. This weakens the activity of the precious metal catalyst and severely limits its recyclability.
• chemical metallization e.g. Activate nickel plating in the conventional way with both ionogenic and colloidal noble metal catalysts
• the woven metal wires serving as electrical feed contacts, which feed the electrical current evenly to the entire surface of the metallized fabric and thus enable uniform heating of the textile surface heating elements, but are by acidic ionic
• This organometallic compound can, for example, be dissolved or dispersed in the organic solvent, or it can also be a rubbing of the organometallic compounds in the solvent.
• the surface can then be electrolessly metallized in a known manner.
• Particularly suitable organic solvents are polar protic and aprotic solvents such as methylene chloride, chloroform, 1,1,1-trichloroethane, trichlorethylene, perchlorethylene, acetone, methyl ethyl ketone, butanol, ethylene glycol, dioxane and tetrahydrofuran.
• polar protic and aprotic solvents such as methylene chloride, chloroform, 1,1,1-trichloroethane, trichlorethylene, perchlorethylene, acetone, methyl ethyl ketone, butanol, ethylene glycol, dioxane and tetrahydrofuran.
• the surfaces of the substrates to be metallized are wetted with these solutions, the exposure time preferably being 1 second to 1 minute.
• Methods such as immersing the substrate in the solutions or spraying substrate surfaces with the activation solutions are particularly suitable for this purpose.
• the activation solutions it is also possible to apply the activation solutions by stamping, printing or rolling.
• Suitable textile fabrics are e.g. Fabrics, knitted fabrics, knitted fabrics and nonwovens made of polyamide, polyester, polyalkylene, polyacrylonitrile, polyvinyl halides, cotton and wool, as well as their mixtures or copolymers.
• the organic solvent is removed.
• Low boiling solvents are preferred by evaporation, e.g. removed in vacuum.
• other methods such as extraction with a solvent in which the organometallic compounds are insoluble, are appropriate.
• the surfaces impregnated in this way must then be activated by reduction.
• the reducing agents customary in electroplating such as hydrazine hydrate, formaldehyde, hypophosphite or boranes, can preferably be used.
• other reducing agents are also possible.
• the reduction is preferably carried out in aqueous solution.
• solvents such as alcohols, ethers, hydrocarbons can also be used.
• suspensions or slurries of the reducing agents can also be used.
• the surfaces activated in this way can be used directly for electroless metallization. However, it may also be necessary to rinse the surfaces of the reducing agent residues.
• the reduction in the metallization bath is preferably carried out immediately with the reducing agent of the electroless metallization.
• Preferred metallization baths are baths with nickel salts, cobalt salts, iron salts or their mixtures with copper salts, gold and silver salts.
• Metallization baths of this type are known in the art of electroless metallization.
• All products that can be woven, knitted in, needled in or acted on are suitable as copper wires.
• Wires that have a core made of polyester filament yarn and are wrapped with multi-stranded copper are particularly suitable. These copper wires can be woven in directly as metal threads, knitted in using knitting machines, needle punched in or knitted in using knitting machines.
• Advantages of the invention lie in particular in the production of dynamically loaded heating mats for heating automobile seats and in the production of heatable clothing, heatable kidney belts, diving suits, gloves, which are easily generated by pre-programmed formats, by placing the metallic elements at the predetermined locations e.g.: Weaves or knits in copper wires.
• a subsequent coating with polyurethane or PVC, Rubber coating or impregnation with a wide variety of coating materials on continuous coating machines with doctor blades is easy to carry out, since the application of the coating material with a doctor blade does not cause any interruption due to the subsequent application. Guiding element suffers.
• the previously contacted metallized textile surface elements can be coated at high speed.
• Fully coated raw heating elements can also be electrically contacted subsequently by e.g. simply rivets the electrical lead wire to the location of the fabric where the woven metallic wires or metallized yarn are.
• a particular advantage is that the electrical guide elements are no longer felt or felt in clothing. This effect is particularly important when heating glass aquariums, pipes and components in aircraft construction, with heated tractor seats, etc.
• polyester-cotton fabric 65/35
• Nm 100/2, plain weave, each with 24 threads in warp and weft, copper conducting strips are woven together with the warp threads at a distance of 30 cm.
• the woven plastic guiding strip is 0.5 - 0.6 cm wide and consists of 12 copper strands, each with 16 individual threads, which have a diameter of 0.05 mm.
• the fabric was desized and seared on both sides.
• a square element with an edge length of 31 cm cut out of this tissue and containing the described copper conductive strips along opposite edges was immersed in a solution of 0.1 g of butadiene palladium dichloride per liter of chloroform for 30 seconds, dried at room temperature and then in an alkaline solution for 20 minutes Nickel plating bath.
• the nickel plating bath contained 30 g / 1 nickel chloride, 3 g / 1 dimethylamine borane and 10 g / l citric acid and was adjusted to pH 8.1 with ammonia.
• a piece of shiny metallic fabric with a metal coating of 25 g nickel per m 2 was obtained.
• the electrical resistance of a 10 x 10 cm square in the weft direction was 3.2 ohms.
• the piece of fabric warmed up evenly to a temperature of 55 ° C.

Landscapes

• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Chemical Or Physical Treatment Of Fibers (AREA)
• Surface Heating Bodies (AREA)
• Conductive Materials (AREA)
• Chemically Coating (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=6131227

Family Applications (1)

Country Status (3)

Cited By (2)

Families Citing this family (3)

Citations (6)

• 1981
  • 1981-04-30 DE DE19813117247 patent/DE3117247A1/de not_active Withdrawn
• 1982
  • 1982-04-19 EP EP82103265A patent/EP0066073A1/fr not_active Withdrawn
  • 1982-04-30 JP JP7163282A patent/JPS57185603A/ja active Pending

Patent Citations (6)

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