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WO2018046150A1 - Article, notamment élément en métal-caoutchouc pour véhicules ferroviaires - Google Patents

Article, notamment élément en métal-caoutchouc pour véhicules ferroviaires Download PDF

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Publication number
WO2018046150A1
WO2018046150A1 PCT/EP2017/064240 EP2017064240W WO2018046150A1 WO 2018046150 A1 WO2018046150 A1 WO 2018046150A1 EP 2017064240 W EP2017064240 W EP 2017064240W WO 2018046150 A1 WO2018046150 A1 WO 2018046150A1
Authority
WO
WIPO (PCT)
Prior art keywords
rubber
coating
article
metal
flame retardant
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.)
Ceased
Application number
PCT/EP2017/064240
Other languages
German (de)
English (en)
Inventor
Christoph Zander
Hans-Harald Kielbasiewicz
Mark LINDENBERG
Thorsten Leethaus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ContiTech Luftfedersysteme GmbH
Original Assignee
ContiTech Luftfedersysteme GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ContiTech Luftfedersysteme GmbH filed Critical ContiTech Luftfedersysteme GmbH
Publication of WO2018046150A1 publication Critical patent/WO2018046150A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/02—Layered products comprising a layer of natural or synthetic rubber with fibres or particles being present as additives in the layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D22/00—Producing hollow articles
    • B29D22/02—Inflatable articles
    • B29D22/023—Air springs; Air bellows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/06—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of natural rubber or synthetic rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/042—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of natural rubber or synthetic rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/12—Layered products comprising a layer of natural or synthetic rubber comprising natural rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/14—Layered products comprising a layer of natural or synthetic rubber comprising synthetic rubber copolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/16—Layered products comprising a layer of natural or synthetic rubber comprising polydienes homopolymers or poly-halodienes homopolymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/16—Ethene-propene or ethene-propene-diene copolymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L7/00—Compositions of natural rubber
    • 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
    • C09D107/00—Coating compositions based on natural rubber
    • 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
    • C09D109/00—Coating compositions based on homopolymers or copolymers of conjugated diene hydrocarbons
    • 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
    • C09D121/00—Coating compositions based on unspecified rubbers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/40—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers consisting of a stack of similar elements separated by non-elastic intermediate layers
    • F16F1/41—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers consisting of a stack of similar elements separated by non-elastic intermediate layers the spring consisting of generally conically arranged elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/02—2 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B32B2250/248—All polymers belonging to those covered by group B32B25/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2274/00—Thermoplastic elastomer material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/56—Damping, energy absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/10—Trains

Definitions

  • the invention relates to an article having a base body of a polymeric
  • Material with elastic properties in particular a metal-rubber element for S rail vehicles.
  • Rail vehicles have metal-rubber elements in various designs as suspension systems that are essential for the comfort and safety of
  • the metal-rubber elements serve as elastic storage of
  • Car body often in combination with an air spring bellows. They decouple it largely from the irregularities of the track system and reduce the transmission of structure-borne noise. At the same time they allow the turning of the bogie in Bogenfahrt.
  • vulcanized rubber mixtures which are predominantly based on natural rubber (NR) and / or polyisoprene rubber (IR).
  • NR natural rubber
  • IR polyisoprene rubber
  • Fire protection which is particularly evident in the stricter fire protection standard EN45545, results in an increased demand for fire protection-optimized polymer articles.
  • additional outer layer comprising a vinyl acetate-containing thermoplastic polymer, a double bond-containing, unsaturated elastomer and at least one flame retardant to use.
  • This additional outer layer must be vulcanized onto the component or onto the basic body of the component at comparatively high vulcanization temperatures via a specifically controlled vulcanization process.
  • a vulcanization process must therefore be carried out twice in succession. This not only means a higher production-related effort, but the two-fold vulcanization can also lead to unwanted and harmful reversion processes in the already vulcanized polymer mixture located under the outer layer.
  • Polymer blends based predominantly on NR and / or IR show significant reversion processes on overvulcanization.
  • Coating usually has to be adhesively bonded to the base body and thus can not be removed or replaced without causing damage to the article.
  • the object of the invention is now to provide an article, in particular a metal-rubber element, which is characterized by an optimized fire protection behavior to the more stringent requirements, in particular those in EN45545
  • the present invention is also intended to simplify the production scale
  • the article having a base body made of a polymeric material having elastic properties, in particular the metal-rubber element, an article surface which is completely or partially provided with at least one coating, wherein the coating of at least one rubber mixture is formed and wherein the rubber mixture of the coating at least one
  • an interchangeable cover or an exchangeable sleeve is called, which protects something.
  • the coating protects the underlying article from direct thermal radiation, so that the combination of coating and base body meets the requirements of EN45545, in particular the requirements of EN45545-2.
  • the coating consists of at least one rubber mixture, the at least one Contains flame retardant or from a rubber mixture, which is fire-retardant by itself, ie due to a suitable choice for the individual
  • Mixture ingredients does not require any additional flame retardants to meet the above requirements.
  • the coating is fastened to the article at defined locations by means of a special connection arrangement such that it can be detached again at any time without damaging the article. This may, for example, be advantageous for a visual inspection of the article or else for a replacement of the coating in the event of damage.
  • connection between the coating and the body, so that no additional fasteners are required. No tools are needed for this type of connection.
  • it is also a screw connection and / or clamp connection alone or in combination conceivable, for. Eg via a hose clamp or a direct screw connection.
  • the coating is in this case formed according to the specifications of the article, i. is adapted to the outer shape of the article.
  • the cover is thus in no immediate connection with the article surface.
  • an air layer which may optionally serve as an additional insulation layer in case of fire.
  • the article and the cover are thus freely movable to each other and due to the lack of contact also no abrasion takes place.
  • the geometry of the coating can be freely designed to better meet any space requirements.
  • a connection between the coating and bogie component of the rail vehicle is conceivable, should the space be insufficient.
  • the formation of such an air layer is covered with a coating, as in WO
  • the inventive coating of at least one rubber mixture it is possible that the main body can continue to be built up from the previously used rubber compound and thus continue to take over the majority of the spring properties for which a mechanically highly stressed material is essential.
  • the coating then takes over the fire protection, so to speak, and plays no or only a subordinate role for the wearing properties.
  • the coating protects the surface of the metal-rubber part exposed in the installation area. For this purpose, the coating on the entire
  • Articles extend so that the body is completely covered by the coating or the coating is only on certain exposed areas of the metal-rubber element, which are particularly at risk of fire.
  • the coating may additionally be provided with a reflective and / or heat-insulating coating or with a flame-retardant flock. As a result, the thickness of the actual coating can be further reduced.
  • the main body is constructed of a rubber mixture, which is preferred
  • thermoplastic containing at least one rubber component and other Mischingingredienzien.
  • rubber components may be mentioned in particular:
  • EPM Ethylene-propylene rubber
  • EPDM ethylene-propylene-diene rubber
  • Nitrile rubber (partially) hydrogenated nitrile rubber (HNBR), fluoro rubber (FKM), chloroprene rubber (CR), natural rubber (NR), deproteinized natural rubber (DPNR), epoxidized natural rubber (ENR), styrene-butadiene rubber (SBR), isoprene rubber (IR), butyl rubber (HR), bromobutyl rubber (BIIR), chlorobutyl rubber (CUR), brominated copolymer of isobutylene and paramethylstyrene (BIMS),
  • CSM Chlorosulfonated polyethylene
  • the aforementioned types of rubber may be unblended.
  • a blend in particular in conjunction with one of the aforementioned types of rubber, for example, a CR / NR blend, (A) CSM / NR blend, NR / IR blend, NR / BR blend or a BR / SBR blend , is possible.
  • Rubber component used for a metal-rubber element Rubber component used for a metal-rubber element.
  • the usual compounding ingredients include at least one crosslinker or crosslinker system (crosslinker and accelerator).
  • Mixture ingredients are usually still at least one filler and / or at least one processing aid and / or at least one plasticizer and / or at least one aging inhibitor and optionally further additives (for example color pigments, reinforcing fibers).
  • processing aid for example, acetylene glycol dimethacrylate, ethylene glycol dimethacrylate, ethylene glycol dimethacrylate, ethylene glycol dimethacrylate, ethylene glycol dimethacrylate, terpolymer, graft copolymer, graft copolymer, graft copolymer, graft copolymer, graft copolymer, graft copolymer, graft copolymer, graft copolymer graft copolymer, graft copolymer graft copolymer, graft copolymer graft copolymer, graft copolymer graft copolymer, graft copolymer graft copoly
  • the coating consists of at least one rubber mixture which is preferably thermoplastic-free, containing at least one rubber component as well as further mixture ingredients.
  • Rubber components which may be mentioned in particular are: ethylene-propylene rubber (EPM), ethylene-propylene-diene rubber (EPDM), nitrile rubber (NBR), (partially) hydrogenated nitrile rubber (HNBR), fluorinated rubber (FKM), chloroprene rubber.
  • CR Natural Rubber
  • NR Natural Rubber
  • DPNR Deproteinized Natural Rubber
  • ERR Epoxidized Natural Rubber
  • SBR Styrene Butadiene Rubber
  • IR Isoprene Rubber
  • HR Butyl Rubber
  • BIIR Bromobutyl Rubber
  • CUR Chlorobutyl Rubber
  • CO, ECO, ETER and / or chlorinated polyethylene
  • CSM chlorosulfonated polyethylene
  • ACSM alkylated chlorosulfonated polyethylene
  • MFQ fluorinated methyl silicone rubber
  • FFPM perfluorinated propylene rubber
  • FFKM perfluorocarbon rubber
  • a blend in particular in conjunction with one of the aforementioned types of rubber, for example, a (A) CSM / NR blend, (A) CSM / CR blend, CR / NR blend, NR / IR blend, NR / BR - Cuttings or a BR / SBR blend is possible.
  • EPDM and / or CSM and / or ACSM as rubber components for the coating.
  • CSM inherently has excellent flame retardant properties and high resistance to environmental and aggressive media. When using CSM, it may be necessary to dispense with a flame retardant. In addition to the advantages of CSM, ACSM also has significantly improved cold flexibility. In addition to good ozone, aging and heat resistance, EPDM shows a favorable one
  • the usual compounding ingredients include at least one crosslinker or crosslinker system (crosslinker and accelerator).
  • Mixture ingredients are usually still a filler and / or a
  • Color pigments, reinforcing fibers are used in this regard, reference is made to the general state of rubber mixing technology.
  • reinforcing fibers preferably short fibers
  • Such reinforcing fibers for.
  • Example of PBO, aramid, POD, etc. can be fire-retardant by themselves and thus ensure additional flame retardancy or fire protection.
  • the rubber mixture of the coating can according to the invention at least one
  • a flame retardant is used, it is preferably a halogen-free flame retardant or one which has the lowest possible halogen content, so that the amount of toxic flue gases remains low in case of fire.
  • a flame retardant all flame retardants known to those skilled in the art can be used.
  • Stannates such as zinc stannate or zinc hydroxystannate
  • hydroxides such as magnesium hydroxide or aluminum hydroxide
  • cyanurates such as
  • Resorcinoldiphosphat or aromatic polyphosphates nitrogen-containing components such as ammonium phosphate, Intumeszenzgemische, carbonates such as calcium carbonate or magnesium carbonate, antimony trioxide, hollow microspheres, preferably in unexpanded form, or expandable graphite in question.
  • nitrogen-containing components such as ammonium phosphate, Intumeszenzgemische, carbonates such as calcium carbonate or magnesium carbonate, antimony trioxide, hollow microspheres, preferably in unexpanded form, or expandable graphite in question.
  • Intumescent mixtures expand to foams. They are used to burn flammable
  • minerals with flame retardant effect such as sepiolite and / or
  • Hydrotalcite can be used as a flame retardant.
  • the flame retardants can be used alone or in combination.
  • Another object is to provide a method for producing an article, in particular a metal-rubber element, which is characterized by an optimized
  • the coating is formed from at least one rubber mixture and wherein the rubber mixture of the Coating contains at least one flame retardant or on its own
  • the article is preferably produced by injection molding (IM) or transfer molding (TM) or Injection Transfer Molding (I-TM) or
  • CM Compression Molding
  • I-CM Injection Transfer Molding
  • the production of the coating is preferably carried out by means of transfer molding, but also the use of the injection molding is conceivable.
  • the assembly of the two separately manufactured components, i. of the article and the coating is done by simply coating and optionally subsequent
  • Fig. 1 shows a section through a metal-rubber element.
  • the metal-rubber element has metal parts 3 at different positions.
  • the polymeric base body 1 with elastic properties is constructed from a rubber mixture.
  • Rubber mixture of the base body 1 is responsible for the actual function of the metal-rubber element, while the rubber mixture of the coating 2 additionally contains a flame retardant and, according to the present figure, only partially covers the base body. LIST OF REFERENCE NUMBERS

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Architecture (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un article comprenant un corps de base réalisé en matière polymère et ayant des propriétés élastiques, notamment un élément en métal-caoutchouc pour véhicules ferroviaires. Aux fins d'amélioration des propriétés retardant le feu, l'article, notamment l'élément en métal-caoutchouc, possède un corps de base en matériau polymère aux propriétés élastiques, le corps de base possédant une surface d'article qui est pourvue, en totalité ou en partie, d'au moins un revêtement, le revêtement étant formé au moins d'un mélange de caoutchouc, et le mélange de caoutchouc du revêtement contenant au moins un retardateur de flamme ou étant par nature ignifuge.
PCT/EP2017/064240 2016-09-12 2017-06-12 Article, notamment élément en métal-caoutchouc pour véhicules ferroviaires Ceased WO2018046150A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016217333.2A DE102016217333A1 (de) 2016-09-12 2016-09-12 Artikel, insbesondere ein Metall-Gummi-Element für Schienenfahrzeuge
DE102016217333.2 2016-09-12

Publications (1)

Publication Number Publication Date
WO2018046150A1 true WO2018046150A1 (fr) 2018-03-15

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PCT/EP2017/064240 Ceased WO2018046150A1 (fr) 2016-09-12 2017-06-12 Article, notamment élément en métal-caoutchouc pour véhicules ferroviaires

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Country Link
DE (1) DE102016217333A1 (fr)
WO (1) WO2018046150A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3712461A1 (fr) * 2019-03-22 2020-09-23 GMT Gummi-Metall-Technik GmbH Élément ressort et couche de revêtement résistant au feu
EP4108952A1 (fr) * 2021-06-22 2022-12-28 Nitta Chemical Industrial Products Co., Ltd Ressort d'essieu à structure laminée
EP4205964A1 (fr) * 2021-12-28 2023-07-05 Nitta Chemical Industrial Products Co., Ltd Caoutchouc stratifié résistant aux vibrations et élément en caoutchouc
RU2812768C2 (ru) * 2019-03-22 2024-02-02 ГМТ ГУММИ-МЕТАЛЛ-ТЕХНИК ГмбХ Упругий элемент и огнестойкое покрытие

Families Citing this family (1)

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