EP1237662A2 - Method for providing a plastic coating by means of spraying, device used for said method and use of the layer thereby produced - Google Patents
Method for providing a plastic coating by means of spraying, device used for said method and use of the layer thereby producedInfo
- Publication number
- EP1237662A2 EP1237662A2 EP00993329A EP00993329A EP1237662A2 EP 1237662 A2 EP1237662 A2 EP 1237662A2 EP 00993329 A EP00993329 A EP 00993329A EP 00993329 A EP00993329 A EP 00993329A EP 1237662 A2 EP1237662 A2 EP 1237662A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- plastic
- speed
- pressure
- spraying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/129—Flame spraying
Definitions
- the invention relates to a method for plastic coating by means of a spraying process.
- the invention relates to a device for carrying out the method with a nozzle constriction area and a downstream acceleration channel, and the use of the layer.
- Plastic coating is understood to mean both the coating of plastics - for example plastic metallization - and with plastics, i.e. with materials whose essential components consist of such macromolecular organic compounds that are produced synthetically or by modifying natural products.
- the powder is introduced into the flame from the inside and outside of a flame spray burner.
- this system is a spraying of plastic material allowed, all materials lose their required properties due to a long dwell time and excessive temperature.
- the inventor has set itself the goal of eliminating the identified disadvantages and of offering an inexpensive method for coating plastic parts without preheating - or even wood - or for coating with plastic powders or the like. organic substances.
- a device is to be created for this.
- either a layer of metallic, non-metallic or oxidic materials is applied to a plastic element or else a layer of plastic is applied to a base material by means of a high-speed spraying process with the addition of the powdery material by a gas-controlled one operated in particular with overpressure and underpressure.
- Powder feed unit applied, preferably by means of a high-speed flame spraying process or a high-speed cold spraying process.
- a spray material in a grain size range between 0.1 and 150 ⁇ m, in particular 0.5 to 75 ⁇ m, but especially in a grain size range from 1 to 30 ⁇ m.
- polymeric powdery plastics are adjusted to the properties of the base material by means of nanocrystalline additives; nanocrystalline powders are proposed as wettable powders.
- the layer is applied to a fiber-reinforced material, such as a material reinforced with carbon or glass fibers.
- the layer according to the invention can be applied to a plastic, a high-temperature-resistant plastic, to polyurethane, high-performance thermoplastic and / or duroplastic, in particular to polyether ether clay (PEEK), polyacrylic ether clay (PAEK), its precursors, polyphenylene sulfite (PPS), liquid crystalline polymer (LCP), Entfunctional oligomers or on polyamides.
- PEEK polyether ether clay
- PAEK polyacrylic ether clay
- LCP liquid crystalline polymer
- Entfunctional oligomers or on polyamides.
- the plastic is to be applied as a base material or as a base layer on a metal or as a cover layer.
- a wear layer made of carbides, oxides, nitrides, silicides, borides or mixtures thereof can advantageously be sprayed onto the plastic, the carbides, oxides, nitrides, silicides, borides being bound with a metallic binder, for example with nickel, cobalt or .dgl. Elements. It has also proven to be advantageous to spray on a metallic or intermetallic material as a layer, for example Ni; NiCr; Cr; Cu; Fe; AL and alloys or mixtures thereof. The layer of a mixture of the materials can also be built up graduated.
- the powdery spray material is preferably fed centrally to the high-speed flame near the nozzle constriction area and in front of the acceleration duct, wherein according to another feature of the invention, at least one feed device for the powdery spray material is provided, which is arranged radially to the high-speed flame.
- a further measure according to the invention is that the pressure range for the flame jet of the high-pressure, high-speed flame spray burner is to be operated at a high pressure of 5 to 50 bar, preferably 10 to 25 bar.
- the powder conveyor between the powder storage container and the powder outlet to the spraying device should be pressure-controlled and pressure-coupled.
- the layer according to the invention as said on plastic material — can be used to produce a sliding bearing or a sliding layer, likewise for an electrically conductive layer or a magnetic layer. It is also possible to create an insulating layer, a non-stick layer or a biologically active layer.
- Fig. 1 a flame spray burner with axial powder supply
- Fig. 2 a flame spray burner with radial powder feed.
- a pistol-like flame spray burner 10 according to FIG. 1 contains an axial feed pipe 18, which opens near the rear wall 12 of a combustion chamber 14, for the spray or material to be processed. This is connected to a powder feed unit indicated at 20, in which a volume is sucked in under vacuum and passed on with overpressure.
- the combustion chamber 14 which tapers in a region 16 of the axial length a in the injection direction x, merges into a tubular acceleration channel 22 with an end opening 24 for the high-speed flame F.
- the flame spray burner 10 a of FIG. 2 is equipped between the tapering region 16 of the combustion chamber 14 and the acceleration channel 22 with a cut-in zone 26 which is defined by a narrow passage cross section 28. This is followed by the mouths of two radial feed pipes 19 in the spray direction x.
- Suitable base materials for the process described here are metallic and plastic materials, such as polyurethane, high-temperature resistant plastics, high-performance thermoplastics and / or thermosets.
- metallic base materials intermediate layers are applied to reduce the stresses to compensate for the differences in the expansion coefficient or to reduce the same, for example if a wear layer made of hard materials - such as borides, carbides, nitrides, silicides and / or oxides - is used with and on a fiber-reinforced material to be sprayed on without metal or plastic binders.
- the high-temperature resistant plastics used for intermediate and top layers are:
- PEEK Polyether ether clay
- Liquid crystalline polymer (LCP)
- Layers can only be successfully applied to metallic, non-metallic and plastic base materials if such a process is used and the spray materials are matched to the properties of the base material - such as the coefficient of expansion - and the layer sequence.
- a tool wear coating with a layer thickness of 200 ⁇ m was applied as a transition layer using an HD-HVOF (high-pressure, high-speed flame spraying) process made from polyether ether cements with the addition of aluminum oxides from 1 to 30% by weight and a grain size distribution for the wettable powder from 1 to 50 ⁇ m.
- HD-HVOF high-pressure, high-speed flame spraying
- Example 2 This was carried out as described in Example 1, with the difference that the transition layer had a graded structure (PEEK aluminum oxide) for better adaptation to the base material or for adaptation of the expansion coefficients.
- the transition layer had a graded structure (PEEK aluminum oxide) for better adaptation to the base material or for adaptation of the expansion coefficients.
- transition layer for better adaptation to the base material or to adapt the expansion coefficients and the electrical conductivity consists of a spray material of the composition PEEK aluminum oxide copper.
- Example 3 This corresponded to Example 3 with the difference of a galvanically or electrochemically applied wear layer.
- the finished coating produced according to Example 4 was after-treated with a heat treatment in the temperature range from 150 to 350 ° C. before use.
- a wear protection layer with high dielectric strength and low tendency to stick was applied to roller rolls for the paper industry.
- An HD-HVOF device with an overpressure and underpressure was used as the spraying system working powder feed unit used.
- the layer thickness should be 500 ⁇ m.
- Example 6 Corresponded to Example 6, the coating having a graded structure.
- Example 6 This also corresponded to Example 6, but using a fiber composite material as the base material.
- the HD-HVOF process was used and a layer with a layer thickness of 500 ⁇ m was applied with the following composition: the powdery spray material consisted of a mixture of a polyurethane powder and a nanocrystalline one Copper powder in the ratio 90/10; the grain size distribution was 1 to 75 ⁇ m.
- the white metal used up to now should be replaced by a better plain bearing material.
- the coating according to the HD-HVOF process was carried out with an intermediate layer and a top layer made of powdery materials of the following composition:
- Top layer with a layer thickness of 2000 ⁇ m made of a mixture of PEEK, copper and
- a reactor vessel for the chemical industry should be provided with a corrosion-resistant and magnetic protective layer to control the reactions to be carried out in it.
- the coating should be done with the HD-HVOF process and the applied layer should have a layer thickness of 700 ⁇ m.
- a mixture of PEEK, Si oxide, Al oxide and nanocrystalline ferrite was used as the powdery material.
- the composition was 5 to 20% by weight of Si oxide, 10 to 20% by weight of Al oxide and the rest PEEK.
- the Curie point of the coating was set to 280 ° C. by the ferrite grain size.
- the grain size distribution was 1 to 40 ⁇ m.
- the layer was sintered by induction.
- a weather-resistant protective layer with a layer thickness of 200 ⁇ m should be applied to a climbing garden made of wood for a playground using the HD-HVOF process.
- a mixture of was used as the powdery material
- Al203-Ti02 87/13 20% by weight
- the protective layer thus produced had excellent weather resistance and also showed a beautiful black color.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19959515 | 1999-12-09 | ||
DE19959515A DE19959515A1 (en) | 1999-12-09 | 1999-12-09 | Process for plastic coating by means of a spraying process, a device therefor and the use of the layer |
PCT/EP2000/012480 WO2001042525A2 (en) | 1999-12-09 | 2000-12-11 | Method for providing a plastic coating by means of spraying, device used for said method and use of the layer thereby produced |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1237662A2 true EP1237662A2 (en) | 2002-09-11 |
EP1237662B1 EP1237662B1 (en) | 2009-03-18 |
Family
ID=7932096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00993329A Expired - Lifetime EP1237662B1 (en) | 1999-12-09 | 2000-12-11 | Method for providing a plastic coating by means of spraying, device used for said method and use of the layer thereby produced |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1237662B1 (en) |
AT (1) | ATE425815T1 (en) |
AU (1) | AU2841201A (en) |
DE (2) | DE19959515A1 (en) |
WO (1) | WO2001042525A2 (en) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10037213A1 (en) * | 2000-07-31 | 2002-02-14 | Linde Gas Ag | Plastic surface with a thermally sprayed coating and process for its production |
DE10137713B4 (en) * | 2001-08-06 | 2006-06-29 | Eads Deutschland Gmbh | Method for producing an adhesive bond |
US20030039856A1 (en) | 2001-08-15 | 2003-02-27 | Gillispie Bryan A. | Product and method of brazing using kinetic sprayed coatings |
US6685988B2 (en) | 2001-10-09 | 2004-02-03 | Delphi Technologies, Inc. | Kinetic sprayed electrical contacts on conductive substrates |
GB0130782D0 (en) * | 2001-12-21 | 2002-02-06 | Rosti Wembley Ltd | Applying metallic coatings to plastics materials |
US6896933B2 (en) | 2002-04-05 | 2005-05-24 | Delphi Technologies, Inc. | Method of maintaining a non-obstructed interior opening in kinetic spray nozzles |
US6811812B2 (en) | 2002-04-05 | 2004-11-02 | Delphi Technologies, Inc. | Low pressure powder injection method and system for a kinetic spray process |
US7476422B2 (en) | 2002-05-23 | 2009-01-13 | Delphi Technologies, Inc. | Copper circuit formed by kinetic spray |
US7108893B2 (en) * | 2002-09-23 | 2006-09-19 | Delphi Technologies, Inc. | Spray system with combined kinetic spray and thermal spray ability |
US6924249B2 (en) | 2002-10-02 | 2005-08-02 | Delphi Technologies, Inc. | Direct application of catalysts to substrates via a thermal spray process for treatment of the atmosphere |
US6872427B2 (en) | 2003-02-07 | 2005-03-29 | Delphi Technologies, Inc. | Method for producing electrical contacts using selective melting and a low pressure kinetic spray process |
US6871553B2 (en) | 2003-03-28 | 2005-03-29 | Delphi Technologies, Inc. | Integrating fluxgate for magnetostrictive torque sensors |
US7351450B2 (en) | 2003-10-02 | 2008-04-01 | Delphi Technologies, Inc. | Correcting defective kinetically sprayed surfaces |
US7335341B2 (en) | 2003-10-30 | 2008-02-26 | Delphi Technologies, Inc. | Method for securing ceramic structures and forming electrical connections on the same |
US7475831B2 (en) | 2004-01-23 | 2009-01-13 | Delphi Technologies, Inc. | Modified high efficiency kinetic spray nozzle |
US7024946B2 (en) | 2004-01-23 | 2006-04-11 | Delphi Technologies, Inc. | Assembly for measuring movement of and a torque applied to a shaft |
US7674076B2 (en) | 2006-07-14 | 2010-03-09 | F. W. Gartner Thermal Spraying, Ltd. | Feeder apparatus for controlled supply of feedstock |
DE102006057638B4 (en) * | 2006-12-05 | 2008-11-20 | Eads Deutschland Gmbh | Method for producing a molding tool |
DE102006057640A1 (en) * | 2006-12-05 | 2008-06-12 | Eads Deutschland Gmbh | Method for producing a mold with a wear protection layer |
DE102010022593A1 (en) | 2010-05-31 | 2011-12-01 | Siemens Aktiengesellschaft | Process for the cold gas spraying of a layer with a metallic structural phase and a plastic structural phase, component with such a layer and uses of this component |
DE102015002967A1 (en) * | 2015-03-07 | 2016-10-13 | Willi Viktor LAUER | 3D printing tool and 3D printing of bundles |
CN113529005A (en) * | 2021-07-05 | 2021-10-22 | 泰尔(安徽)工业科技服务有限公司 | Spraying manufacturing method of continuous casting roller |
CN114472002B (en) * | 2021-09-22 | 2023-04-18 | 中大体育产业集团股份有限公司 | Additive powder spraying device for rubber-coated dumbbell |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3987937A (en) * | 1971-05-06 | 1976-10-26 | Eppco | Powder feeder and methods for transporting particulate material |
US4999225A (en) * | 1989-01-05 | 1991-03-12 | The Perkin-Elmer Corporation | High velocity powder thermal spray method for spraying non-meltable materials |
DE4129120C2 (en) * | 1991-09-02 | 1995-01-05 | Haldenwanger Tech Keramik Gmbh | Method and device for coating substrates with high temperature resistant plastics and use of the method |
DE19608432A1 (en) * | 1996-03-05 | 1997-09-18 | Medicoat Ag | Device for controlling the metered feeding of powder to a powder processing unit |
DE19652649A1 (en) * | 1996-12-18 | 1998-06-25 | Castolin Sa | Flame spraying device and method for thermal spraying |
DE19747384A1 (en) * | 1997-10-27 | 1999-04-29 | Linde Ag | Manufacture of composite bodies |
DE19753821A1 (en) * | 1997-12-04 | 1999-06-10 | Rohr Lukas Dr Phil | Plastic-based composite material, process for its production and use of the composite material |
EP0939142A1 (en) * | 1998-02-27 | 1999-09-01 | Ticona GmbH | Thermal spray powder incorporating an oxidised polyarylene sulfide |
EP0988898A3 (en) * | 1998-09-23 | 2001-05-02 | Camco International Inc. | Thermal spray application of polymeric material |
-
1999
- 1999-12-09 DE DE19959515A patent/DE19959515A1/en not_active Withdrawn
-
2000
- 2000-12-11 AU AU28412/01A patent/AU2841201A/en not_active Abandoned
- 2000-12-11 AT AT00993329T patent/ATE425815T1/en not_active IP Right Cessation
- 2000-12-11 DE DE50015599T patent/DE50015599D1/en not_active Expired - Lifetime
- 2000-12-11 EP EP00993329A patent/EP1237662B1/en not_active Expired - Lifetime
- 2000-12-11 WO PCT/EP2000/012480 patent/WO2001042525A2/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO0142525A3 * |
Also Published As
Publication number | Publication date |
---|---|
ATE425815T1 (en) | 2009-04-15 |
AU2841201A (en) | 2001-06-18 |
DE19959515A1 (en) | 2001-06-13 |
EP1237662B1 (en) | 2009-03-18 |
DE50015599D1 (en) | 2009-04-30 |
WO2001042525A3 (en) | 2002-02-14 |
WO2001042525A2 (en) | 2001-06-14 |
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