EP1144724B1 - Echangeur de chaleur presentant une tendance reduite a former des depots, et son procede de production - Google Patents

Echangeur de chaleur presentant une tendance reduite a former des depots, et son procede de production Download PDF

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Publication number
EP1144724B1
EP1144724B1 EP99964672A EP99964672A EP1144724B1 EP 1144724 B1 EP1144724 B1 EP 1144724B1 EP 99964672 A EP99964672 A EP 99964672A EP 99964672 A EP99964672 A EP 99964672A EP 1144724 B1 EP1144724 B1 EP 1144724B1
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European Patent Office
Prior art keywords
metal
polymer
phosphorus
layer
polymer dispersion
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Expired - Lifetime
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EP99964672A
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German (de)
English (en)
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EP1144724A2 (fr
Inventor
Stephan Hüffer
Axel Franke
Stephan Scholl
Hans Mueller-Steinhagen
Qi Zhao
Bernd Diebold
Peter Dillmann
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BASF SE
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BASF SE
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
    • F28F19/06—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of metal
    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23C—COATING 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
    • C23C18/00—Chemical 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
    • C23C18/16—Chemical 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
    • C23C18/1601—Process or apparatus
    • C23C18/1603—Process or apparatus coating on selected surface areas
    • C23C18/1614—Process or apparatus coating on selected surface areas plating on one side
    • C23C18/1616—Process or apparatus coating on selected surface areas plating on one side interior or inner surface
    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23C—COATING 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
    • C23C18/00—Chemical 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
    • C23C18/16—Chemical 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
    • C23C18/1601—Process or apparatus
    • C23C18/1633—Process of electroless plating
    • C23C18/1655—Process features
    • C23C18/1662—Use of incorporated material in the solution or dispersion, e.g. particles, whiskers, wires
    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23C—COATING 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
    • C23C18/00—Chemical 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
    • C23C18/16—Chemical 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
    • C23C18/31—Coating with metals
    • C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23C—COATING 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
    • C23C18/00—Chemical 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
    • C23C18/16—Chemical 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
    • C23C18/31—Coating with metals
    • C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
    • C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
    • C23C18/36—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites
    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23C—COATING 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
    • C23C18/00—Chemical 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
    • C23C18/16—Chemical 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
    • C23C18/31—Coating with metals
    • C23C18/38—Coating with copper
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2245/00—Coatings; Surface treatments
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12556—Organic component
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12944—Ni-base component
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal

Definitions

  • the invention relates to a method for producing Heat exchangers, the electroless chemical deposition of a metal-polymer dispersion layer includes.
  • the invention further relates to heat exchanger according to the invention.
  • the invention further relates to the Use of a metal-polymer dispersion layer as a permanent incrustation inhibitor.
  • the deposits whose formation is to be prevented are inorganic salts such as calcium and barium sulfate, calcium and Magnesium carbonate, inorganic phosphates, silicas and silicates, Corrosion products, particulate deposits, for example alluvial sand (River and sea water), as well as organic deposits such as bacteria, algae, Proteins, mussels or mussel larvae, polymers, oils and resins as well as the biomineralized composites consisting of the aforementioned substances.
  • inorganic salts such as calcium and barium sulfate, calcium and Magnesium carbonate, inorganic phosphates, silicas and silicates, Corrosion products, particulate deposits, for example alluvial sand (River and sea water), as well as organic deposits such as bacteria, algae, Proteins, mussels or mussel larvae, polymers, oils and resins as well as the biomineralized composites consisting of the aforementioned substances.
  • the object of the present invention is to provide a method for producing a Specify heat exchanger, on the one hand, the inclination of the reduces heat transfer surfaces, solids to form Deposits and on the other hand with high durability (e.g. against heat, corrosion and undermining) to a negligible Thermal resistance leads.
  • the process should treated surfaces have a satisfactory durability.
  • the procedure is supposed to be cost-effective to use even on hard-to-reach areas.
  • a heat exchanger is a device which has surfaces designed for heat exchange (heat transfer surfaces). Heat exchangers which exchange heat with fluids, in particular with liquids, are preferred. Heating elements and heat exchangers, in particular plate heat exchangers and spiral heat exchangers, are preferred versions of heat exchangers.
  • a halogenated polymer is a fluorinated or a chlorinated polymer; fluorinated polymers, in particular perfluorinated, are preferred. Examples of perfluorinated polymers are polytetrafluoroethylene (PTFE) and perfluoroalkoxy polymers (PFA, according to DIN 7728, Part 1, January 1988).
  • This object of the invention is a method for Electroless chemical deposition of metal-polymer dispersion phases which is known per se (W. Riedel: Functional nickel plating, publisher Eugen Leize, Saulgau, 1989 pages 231 to 236, ISBN 3-750480-044-x).
  • a Metal-polymer dispersion phase comprises a polymer, in the context of the invention a halogenated polymer dispersed in a metal alloy.
  • the Metal alloy is preferably a metal-phosphor alloy.
  • the surfaces treated according to the invention allow good heat transfer, although the coatings have a can have a not inconsiderable thickness of 1 to 100 ⁇ m.
  • the Surfaces treated according to the invention also have a satisfactory Shelf life, which also appear useful from 1 to 100 ⁇ m leaves; 3 to 20 ⁇ m, in particular 5 to 16 ⁇ m, are preferred.
  • the polymer content the dispersion coating is 5 to 30% by volume, preferably 15 to 25% by volume, especially 19 to 21 vol.%.
  • coatings are relatively inexpensive and can also be opened Apply hard-to-reach areas. These areas can be any heat transfer surfaces such as inner pipe surfaces, surfaces of electrical heating elements and surfaces of plate heat exchangers etc. act for the heating or cooling of fluids in industrial plants, in Private households, in food processing or in plants for Electricity production or water treatment can be used.
  • Heat transfer means the heat transfer from the inside of the Heat exchanger to a possibly existing, facing the fluid Coating, the heat conduction within the coating layer and the Heat transfer from the coating layer to a fluid (e.g. a saline solution).
  • a fluid e.g. a saline solution
  • the metal-phosphorus alloy of the metal-polymer dispersion layer around copper phosphorus or nickel phosphorus is preferred Nickel-phosphorus.
  • the nickel polymer dispersion layer is a dispersion layer Nickel-phosphorus polytetrafluoroethylene.
  • Suitable polymers such as perfluoro-alkoxy polymers (PFA, copolymers of Tetrafluoroethylene and perfluoroalkoxy vinyl ether e.g. Perfluorovinyl propyl ether). Should the heat exchanger be operated at a comparatively low temperature then the use of chlorinated polymers is also conceivable.
  • the Metal-polymer dispersion layer with a spherical polymer particle average diameter (number average) from 0.1 ⁇ m to 1.0 ⁇ m, especially from 0.1 ⁇ m to 0.3 ⁇ m.
  • the coating is done by immersing the workpiece in a metal electrolyte solution that has been mixed with a stabilized polymer dispersion beforehand.
  • the tempering period is generally 5 minutes to 3 hours, preferably 35 to 45 minutes.
  • Ni II , hypophosphite, carboxylic acids and fluoride and optionally deposition moderators such as Pb 2+ can be used as metal solutions.
  • metal solutions are sold, for example, by Riedel, Galvano- und Filtertechnik GmbH, Halle, Westphalia and Atotech GmbH, Berlin.
  • PTFE dispersions polytetrafluoroethylene dispersions
  • PTFE dispersions with a solids content of 35 to 60% by weight and an average particle diameter (number average) of 0.1 ⁇ m to 1 ⁇ m, in particular of 0.1 ⁇ m to 0.3 ⁇ m, are preferred, the particles of which have a spherical morphology and which have a neutral detergent (for example polyglycols, alkylphenol ethoxylate or possibly mixtures of the substances mentioned, 80 to 120 g of neutral detergent per liter) and an ionic detergent (for example alkyl and haloalkyl sulfonates, alkylbenzenesulfonates, alkylphenol ether sulfates, tetraalkylammonium salts or optionally Mixtures of the substances mentioned, 15 to 60 g of ionic detergent per liter).
  • a neutral detergent for example polyglycols, alkylphenol ethoxylate or possibly mixtures of the substances mentioned, 80 to 120 g of neutral detergent per liter
  • Dip baths with a pH of around 5 and about 27 g / l NiSO 4 x 6 H 2 O and about 21 g / l NaH 2 PO 2 x H 2 O with a PTFE content of 1 to 25 g are typical / l included.
  • the polymer content of the dispersion coating is mainly influenced by the amount of polymer dispersion added and the choice of detergents.
  • Another object of the invention is a method for producing a heat exchanger, which has a particularly adhesive, durable and heat-resistant coating and therefore solves the problem of the invention in a special way.
  • This method is based on a method for producing a heat exchanger, characterized by the electroless chemical deposition of a metal-polymer dispersion coating, in which the polymer is halogenated, on a heat transfer surface.
  • This method is additionally characterized in that a 1 to 15 ⁇ m thick metal-phosphor layer is applied by electroless chemical deposition before the metal-polymer dispersion layer is applied
  • Electroless chemical application of a 1 to 15 ⁇ m thick metal-phosphor layer to improve adhesion takes place through the already described metal electrolyte baths, but in this case no stabilized polymer dispersion is added.
  • On tempering at this time preferably dispensed with, since this adversely affects the adhesion of the subsequent metal-polymer dispersion layer generally adversely affected.
  • To Deposition of the metal-phosphor layer will place the workpiece in the top brought immersion bath, which in addition to the metal electrolyte also a stabilized polymer dispersion. This forms the metal-polymer dispersion layer.
  • an annealing at 200 to 400 °, in particular at 315 to 325 ° C performed.
  • the tempering period is generally 5 minutes to 3 hours, preferably 35 to 45 minutes.
  • the Metal-phosphor layer on a thickness of 1 to 5 microns.
  • it is the metal-phosphor alloy of the metal-polymer dispersion layer and the metal-phosphor layer around nickel-phosphorus or copper-phosphorus.
  • the metal-polymer dispersion layer is a dispersion layer Nickel-phosphorus polytetrafluoroethylene.
  • Another object of the invention is one by an inventive Method of producing heat exchangers. Production is preferably carried out of the heat exchanger according to the invention by using a inventive method.
  • the aforementioned is according to the invention Heat exchangers for transferring heat to fluids, in particular to Liquids, designed. All heating elements come into question here Transfer heat to fluids. Furthermore, heat exchangers, in particular Plate heat exchangers and spiral heat exchangers, preferred examples of such Heat exchangers.
  • Another object of the invention is the use of a coating, produced by electroless chemical deposition of a metal-polymer dispersion layer, where the polymer is halogenated to reduce the Inclination of the coated surfaces, solids from fluids to form To deposit deposits.
  • the fluids are preferably Liquids.
  • Fig. 1 shows the decrease in the heat transfer coefficient ( ⁇ [W / m 2 K]) due to CaSO 4 deposits as a function of time (t [min], abscissa) for different heat exchangers, which differ in the nature of their surfaces.
  • Reference number 1 refers to the measured values of the coating according to the invention of example (* 7).
  • Reference number 2 denotes the measured values for an electropolished steel surface.
  • the area-related output is 200 kW / m 2
  • the concentration of the CaSO 4 solution is 1.6 g / l and has a temperature that corresponds to the boiling point.
  • Fig. 2 shows the measured decrease in the heat transfer coefficient ( ⁇ [W / m 2 K]) due to CaSO 4 deposits as a function of time (t [min], abscissa) for different heat exchangers, which differ in the nature of their surfaces.
  • Reference number 1 is the coating according to the invention of example (* 7).
  • the reference number 3 indicates an untreated steel surface.
  • the power based on the area of the heat exchanger is 100 kW / m 2 .
  • a CaSO 4 solution with a concentration of 2.5 g / l flows past the heat exchanger at a speed of 80 cm / s and a temperature of 80 ° C.
  • Table 1 contains a comparison of the measured values of surface roughness, surface energy and wetting angle of the examined heating surfaces, as well as the relative decrease in the measured heat transfer coefficients within the first 100 hours of the test. It can be seen that the heat exchangers according to the invention provide a very low surface energy, a very large contact angle and very good heat transfer behavior.
  • Table 2 compares surface energy, contact angle and bacteria deposited per area (Streptococcus Thermophilus) of the heat exchangers according to the invention with the heat exchangers of the prior art.
  • Surface energy [mJ / m 2 ]
  • Contact angle [°]
  • Log10 cells / cm 2 * 9 untreated (steel) 84 65 5.7
  • Electropolished steel 86 62 5.5 Steel implanted with Si ions 39 80 4.9 F-ion implanted steel 37 82 5.5 Steel DLC sputtered 36 85 5.0 Steel CrC sputtered 34 87 4.1 Steel / Ni-PTFE 25 100 3.9
  • Concentration [g / l] pH NiSO 4 x6H 2 O 27 4.8 NaH 2 PO 2 xH 2 O 21 CH 3 CHOHCOOH 20 C 2 H 5 COOH 3 Na citrate; 5 NaF 1 PTFE (50%) 2-50

Claims (7)

  1. Procédé de fabrication d'un échangeur de chaleur pour échanger de la chaleur avec des fluides, caractérisé en ce que
    a) on applique une couche de métal-phosphore de 1 à 5 µm d'épaisseur, par dépôt chimique autocatalytique, sur une surface d'échange de chaleur, et
    b) puis, par dépôt chimique autocatalytique, on applique une couche de dispersion métal-polymère, dans laquelle le polymère est halogéné, sur la couche de métal-phosphore produite en a), la proportion du polymère dans la couche de dispersion métal-polymère étant de 5 à 30 % en volume.
  2. Procédé selon la revendication 1, caractérisé en ce que, pour ce qui concerne l'alliage métal-phosphore de la couche de dispersion métal-polymère et de la couche métal-phosphore, il s'agit de nickel-phosphore ou de cuivre-phosphore, de préférence de nickel-phosphore.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que, pour ce qui concerne la couche de dispersion métal-polymère, il s'agit d'une couche de dispersion en nickel-phosphore-polytétrafluoréthylène.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que la proportion du polymère dans la couche de dispersion métal-polymère est de 15 à 25 % en volume et en particulier de 19 à 21 % en volume.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que la couche de dispersion métal-polymère comporte des particules polymères sphériques ayant un diamètre moyen de 0,1 à 0,3 µm.
  6. Echangeur de chaleur fabriqué par le procédé selon l'une des revendications 1 à 5.
  7. Utilisation d'un revêtement fabriqué par le procédé selon l'une des revendications 1 à 5 pour diminuer la tendance des surfaces revêtues à subir la fixation de solides provenant de fluides, avec formation de dépôts.
EP99964672A 1998-12-30 1999-12-24 Echangeur de chaleur presentant une tendance reduite a former des depots, et son procede de production Expired - Lifetime EP1144724B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19860526 1998-12-30
DE19860526A DE19860526A1 (de) 1998-12-30 1998-12-30 Wärmeüberträger mit verringerter Neigung, Ablagerungen zu bilden und Verfahren zu deren Herstellung
PCT/EP1999/010368 WO2000040773A2 (fr) 1998-12-30 1999-12-24 Echangeur de chaleur presentant une tendance reduite a former des depots, et son procede de production

Publications (2)

Publication Number Publication Date
EP1144724A2 EP1144724A2 (fr) 2001-10-17
EP1144724B1 true EP1144724B1 (fr) 2002-11-06

Family

ID=7892984

Family Applications (3)

Application Number Title Priority Date Filing Date
EP99965554A Expired - Lifetime EP1144725B1 (fr) 1998-12-30 1999-12-24 Procede pour appliquer un revetement sur des reacteurs destines a la polymerisation haute pression de 1-olefines
EP99967007A Expired - Lifetime EP1144723B1 (fr) 1998-12-30 1999-12-24 Procede pour appliquer un revetement sur des appareils ou des parties d'appareils utilises pour la construction d'installations chimiques
EP99964672A Expired - Lifetime EP1144724B1 (fr) 1998-12-30 1999-12-24 Echangeur de chaleur presentant une tendance reduite a former des depots, et son procede de production

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP99965554A Expired - Lifetime EP1144725B1 (fr) 1998-12-30 1999-12-24 Procede pour appliquer un revetement sur des reacteurs destines a la polymerisation haute pression de 1-olefines
EP99967007A Expired - Lifetime EP1144723B1 (fr) 1998-12-30 1999-12-24 Procede pour appliquer un revetement sur des appareils ou des parties d'appareils utilises pour la construction d'installations chimiques

Country Status (10)

Country Link
US (3) US6509103B1 (fr)
EP (3) EP1144725B1 (fr)
JP (3) JP2003511551A (fr)
KR (3) KR20010100013A (fr)
CN (3) CN1338008A (fr)
AT (3) ATE245210T1 (fr)
CA (2) CA2358099A1 (fr)
DE (4) DE19860526A1 (fr)
ES (2) ES2197710T3 (fr)
WO (3) WO2000040774A2 (fr)

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DE102022108533A1 (de) 2022-04-08 2023-10-12 CSB Chemische Spezialbeschichtungen GmbH Verfahren zur Herstellung einer chemisch NiP-Elektrolytdispersion mit einzulagernden Feststoffpartikeln

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WO2002055446A1 (fr) * 2001-01-12 2002-07-18 Basf Aktiengesellschaft Procede de traitement anti-salissure de surfaces
US6887955B2 (en) * 2001-08-20 2005-05-03 Basell Polyolefine Gmbh Method for high pressure polymerization of ethylene
DE10241947A1 (de) * 2001-09-14 2003-04-03 Magna Steyr Powertrain Ag & Co Verfahren zur Oberflächenbehandlung eines Maschinenelementes und Maschinenelement
DE10146027B4 (de) * 2001-09-18 2006-07-13 Huppmann Ag Bauteil für eine Brauereianlage und Verfahren zur Herstellung derartiger Bauteile
US20030066632A1 (en) 2001-10-09 2003-04-10 Charles J. Bishop Corrosion-resistant heat exchanger
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WO2000040775A2 (fr) 2000-07-13
DE19860526A1 (de) 2000-07-06
ES2204184T3 (es) 2004-04-16
EP1144723A2 (fr) 2001-10-17
WO2000040773A3 (fr) 2000-11-09
ATE245210T1 (de) 2003-08-15
WO2000040774A2 (fr) 2000-07-13
JP2003511551A (ja) 2003-03-25
EP1144724A2 (fr) 2001-10-17
JP2002534606A (ja) 2002-10-15
US6617047B1 (en) 2003-09-09
EP1144723B1 (fr) 2003-04-09
WO2000040773A2 (fr) 2000-07-13
ATE227360T1 (de) 2002-11-15
WO2000040774A3 (fr) 2002-09-26
US6509103B1 (en) 2003-01-21
KR20010100009A (ko) 2001-11-09
ATE237006T1 (de) 2003-04-15
DE59903362D1 (de) 2002-12-12
CN1338008A (zh) 2002-02-27
EP1144725A2 (fr) 2001-10-17
JP2002534605A (ja) 2002-10-15
CN1332810A (zh) 2002-01-23
KR20010103724A (ko) 2001-11-23
ES2197710T3 (es) 2004-01-01
CA2358099A1 (fr) 2000-07-13
EP1144723A3 (fr) 2002-11-13
WO2000040775A3 (fr) 2000-11-09
DE59905005D1 (de) 2003-05-15
US6513581B1 (en) 2003-02-04
KR20010100013A (ko) 2001-11-09
DE59906313D1 (de) 2003-08-21
CA2358097A1 (fr) 2000-07-13
EP1144725B1 (fr) 2003-07-16
CN1636305A (zh) 2005-07-06

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