Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q1/00—Details of, or arrangements associated with, antennas
  • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
  • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
  • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
  • C09D189/00—Coating compositions based on proteins; Coating compositions based on derivatives thereof
  • C09D189/005—Casein
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
  • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
  • C09D7/40—Additives

Definitions

• the invention relates to a coating material for radiation surfaces
• Such coating materials are on radiation surfaces of
• the electromagnetic waves generated by the radiator in cooperation with the coating material serve e.g. for cooling and heating a material brought into the radiation area of the lamp.
• a coating material for radiation surfaces for generating electromagnetic waves and a method for its production are already known from DD-208 029.
• the coating material is a mixture of binding agent, insulating agent, dispersing agent, water and graphite.
• a polyvinyl acetate and / or a polyacrylate and / or a polypeptide is used as the binder, while an insulating carbon black is used as the insulating agent.
• Graphite, carbon black and binders form electrical dipoles in the coating material, which emit electromagnetic waves when excited.
• the process for producing this coating material essentially comprises mixing these substances by means of a stirrer and the application of pressure to crush the soot and graphite particles.
• the binder is composed of
• the coating material itself is composed of 55 to 65% by weight of a basic substance and 35 to 45% by weight parts of graphite, the basic substance consisting of a mixture of 39 to 49% by weight of binder, 18 to 23% by weight of insulation, 18 to 24% by weight of dispersant and 12 to 16% by weight of distilled water.
• the coating material forms a multiplicity of uniformly distributed, smallest electrical dipoles, which are formed by the insulating agent, the graphite and the binder.
• the main component of the binder is distilled water which, depending on the amount added, ensures at least a viscous consistency of the binder. As a result, the individual components of the binder can be mixed well with one another.
• the sulfated oil and optionally a leveling agent serve as a solubilizer and bring about a uniform and stable distribution of the individual substances in the binder, as well as the good film formation of the coating material on a carrier material.
• the phenols or benzisothiazolinone contained in the binder favor the attachment of particles even in small amounts.
• the casein is to be regarded as a binder in the binder and causes the individual components to accumulate within the binder.
• the urea is also used in the binder as a solubilizer, i.e. it favors the even distribution of the individual components in the binder.
• the binder also contains a diluent for homogenization and caprolactam as a building material.
• the basic substance comprises, as the main component, the binding agent to which the particles of the insulating agent attach as one part of the electrical dipole.
• the dispersing agent facilitates the dispersing and thus the even distribution of the binding agent together with the particles of the insulating agent in the basic substance.
• the distilled water mixed with the basic substance serves to liquefy the basic substance.
• the graphite added in the course of the mixture of the coating material finally also accumulates with its individual particles on the binder that already binds the insulation agent and forms together with the insulation agent a large number of smallest electrical dipoles, which are evenly distributed in the coating material.
• the graphite can already be added in the ground state with a very small particle size. This further promotes a uniform distribution of the graphite in the coating material and thus the formation of a large number of electrical dipoles.
• This coating material thus achieves a high degree of radiation with regard to the generation and emission of electromagnetic radiation.
• a radiation surface coated with such a coating material emits electromagnetic radiation with a correspondingly high frequency when there is high-frequency excitation.
• the coating material preferably has an at least viscous, brushable consistency and dries after the coating of a radiation surface, preferably a continuously crack-free surface being produced.
• sulfated oils such as B. sulfated olive oil, sulfated sesame oil or sulfated palm oil can be used.
• the sulfated oil is preferably sulfated castor oil, which is known as sulforicinate or as Turkish red oil. This sulfated castor oil is particularly suitable because of its surface-active properties.
• the phenols are preferably carbonized, by
• Phenols produced by cracking which are particularly suitable for particle attachment. Instead of the phenols, benzisothiazolinone should preferably be used.
• the diluent is a solvent based on flavor and / or alcohol and / or ester and / or ketone, for.
• the insulating agent is preferably an insulating carbon black.
• This carbon black is advantageously added in the ground state with a very small particle size. This promotes a uniform distribution of the soot in the base substance and thus the formation of a large number of electrical dipoles in the coating material.
• the dispersing and thus the uniform distribution of the binder together with the particles of the insulating agent in the base substance facilitating dispersant is an organic, monomeric and / or polymeric substance.
• the coating material in a preferred embodiment contains a thixotropic agent.
• This thixotropic agent has the effect that the coating material has a viscous consistency, ie it is easy to spread while being applied to a radiation surface, but is so viscous in the idle state that no drops or tears can form on the surface. This enables a precise application of the coating material to a radiation surface.
• the coating material is after
• Claim 8 applied to a radiation surface of a radiator with which electromagnetic radiation can be emitted at a frequency which is in the order of magnitude of the molecular natural frequency of the material which can be introduced into the radiation region of the radiator for heating or cooling.
• This emitter has a large area and is delimited by two feed lines which are arranged parallel to one another and are at a distance from one another which corresponds to an integral multiple of the wavelength emitted by the emitter.
• this radiator it is possible to emit both a frequency in the range of the molecular natural frequency of the material to be heated or cooled, and a corresponding suitable frequency for a liquid or gaseous medium additionally arranged in the room. This means that this medium can also be included in the process of temperature change.
• the interaction of the radiator with the material to be heated or cooled in the region of its resonance frequency with the molecular natural frequencies achieves a high degree of efficiency.
• the coating material according to the invention with its large number of dipoles here contributes to providing an overall effective radiation system for electromagnetic waves with a high degree of radiation.
• the substances are mixed in the individual process steps by means of mixing and / or kneading tools, for example screw mixers, roller mixers, centrifugal mixers which ensure particularly thorough mixing.
• these mixers also comminute the added particles, in particular the particles of the insulating agent added in the second process step and the graphite particles added in the third process step.
• These particles are therefore fine and, above all, evenly distributed in the coating material and form a multitude of smallest electrical dipoles for the generation of electromagnetic waves with a high degree of radiation. In this way, the coating material is simple and therefore inexpensive to produce.
• sulfated castor oil is preferably used as the sulfated oil in the binder, which is particularly suitable because of its surface-active properties.
• Carbonized phenols or benzisothiazolinones produced by cracking are preferably used as phenols in the binder.
• an aromatic-based and / or alcohol-based and / or ester-based and / or ketone-based solvent is used as a diluent in the binder in the preferred production process.
• an insulating carbon black is preferably used as the insulating agent, which is advantageously added in the ground state with a very small particle size.
• an inorganic and / or organic, monomeric and / or polymeric substance is used as the dispersant, which facilitates the dispersion and thus the uniform distribution of the binder together with the particles of the insulating agent in the base substance.
• a thixotropic agent is additionally mixed into the coating material. This thixotropic agent causes the coating material to be easily spreadable while it is being applied to a radiation surface, but is so tough when at rest that no drop formation can occur on the surface.
• the coating material which can be spread after production is sprayed, brushed or knife-coated onto a beam. applied surface of a radiator and dried there.
• the order amount is chosen so that a dry layer of z. B. 60 to 80 microns layer thickness.
• An electromagnetic radiation can then be emitted with the radiator at a frequency which is in the order of magnitude of the molecular natural frequency of the material that can be introduced into the radiation region of the radiator for heating or cooling.
• a preferred composition of the coating material is shown below using a specific example:
• a binder is produced by mixing
• a base substance is then produced in a second process step by mixing
• a coating material is produced by mixing
• This coating material was applied to a radiation surface of a radiator, air-dried and the radiator was then excited.
• the electromagnetic radiation measured thereby had a high degree of radiation.
• the individual components are mixed in a concrete process in a mixer with e.g. 2000 rpm mixed for 10 to 20 minutes.
• the second process step e.g. 2000 revolutions / min mixed for 10 to 20 minutes, in addition to which pressures of 6 to 18 MPa can also be applied to the base substance, which cause the soot particles to be reduced to a particle size of less than 40 micrometers.
• the substances are also used in e.g. 2000 revolutions / min mixed for 10 to 20 minutes, wherein additional interval-like pressures of the order of 6 to 18 MPa can be applied to the coating material, which result in shear forces which favor an elongated arrangement of the dipoles in the coating material.
• the ultrasound dispersion technique can be used for the preferred dispersion of the individual components, which ensures a particularly fine distribution of the particles and thus the dipoles.

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• Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Materials Engineering (AREA)
• Wood Science & Technology (AREA)
• Organic Chemistry (AREA)
• Paints Or Removers (AREA)
• Application Of Or Painting With Fluid Materials (AREA)
• Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
• Aerials With Secondary Devices (AREA)
• Resistance Heating (AREA)
• Adhesives Or Adhesive Processes (AREA)

Priority Applications (21)

Applications Claiming Priority (2)

Publications (1)

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Country Status (44)

Cited By (1)

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Citations (6)

Family Cites Families (5)

• 1997
  • 1997-04-28 DE DE19717682A patent/DE19717682A1/de not_active Withdrawn
• 1998
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  • 1998-04-21 CA CA002283769A patent/CA2283769C/en not_active Expired - Fee Related
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• 1999
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• 2000
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