WO2018033265A1 - 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
WO2018033265A1
WO2018033265A1 PCT/EP2017/064245 EP2017064245W WO2018033265A1 WO 2018033265 A1 WO2018033265 A1 WO 2018033265A1 EP 2017064245 W EP2017064245 W EP 2017064245W WO 2018033265 A1 WO2018033265 A1 WO 2018033265A1
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WO
WIPO (PCT)
Prior art keywords
rubber
layer
article
metal
mixture
Prior art date
Application number
PCT/EP2017/064245
Other languages
German (de)
English (en)
Inventor
Christoph Zander
Hans-Harald Kielbasiewicz
Mark LINDENBERG
Christoph SCHMEDECKE-VICK
Markus Hartwig
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
Priority to EP17729125.9A priority Critical patent/EP3500423A1/fr
Publication of WO2018033265A1 publication Critical patent/WO2018033265A1/fr

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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
    • 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
    • B32B25/02—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
    • 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—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • 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
    • 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 with a base body made of a polymeric material having 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
  • 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 safety standard EN45545, results in an increased demand for fire protection-optimized polymer articles.
  • additional outer layer containing 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 be carried out twice in succession. This does not just mean one
  • 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 performance to meet the stringent requirements, in particular those described in EN-45545. At the same time, the necessary physical
  • the article in particular the metal-rubber element, a body made of a polymeric material with elastic
  • main body is partially or completely composed of two layers of the polymeric material and wherein each of the first layer and the second layer of a rubber mixture and wherein the second layer to the
  • the inwardly lying first layer of the previously used rubber compound can be constructed and thus continue to take over the majority of the spring properties for which a mechanically highly stressed material is essential.
  • the second, outward facing layer so to speak, takes over the fire protection and plays a subordinate role for the wearing characteristics.
  • the second layer protects the exposed surface of the metal-rubber part during installation.
  • the second layer may extend to the entire article, so that the main body is made up entirely of two layers or else the second layer is only located on certain, exposed areas of the metal-rubber element, which are particularly prone to fire. In the latter case, the body is only partially composed of two layers.
  • the first layer of the base body is a rubber mixture, which is preferably thermoplastic-free, containing at least one rubber component and 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.
  • Chlorobutyl rubber (CIIR) .J3romated copolymer of isobutylene and paramethylstyrene (BIMS), butadiene rubber (BR) ⁇ Chlorinated polyethylene (CM) and / or
  • CSM Chlorosulfonated polyethylene
  • the aforementioned types of rubber may be unblended.
  • a blend in particular in conjunction with one of the abovementioned types of rubber, for example an NR / IR blend, NR / BR blend or a BR / SBR blend, is also 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 a filler and / or a
  • Processing aids and / or a plasticizer and / or an aging inhibitor and optionally further additives for example color pigments, reinforcing fibers.
  • the second layer of the base body is also one
  • Rubber mixture which is preferably thermoplastic free, containing at least one
  • Rubber components are in particular: ethylene-propylene rubber (EPM), ethylene-propylene-diene rubber (EPDM), nitrile rubber (NBR),
  • FINBR (partially) hydrogenated nitrile rubber
  • FKM fluoro rubber
  • CR chloroprene rubber
  • NR natural rubber
  • SBR styrene-butadiene rubber
  • IR isoprene rubber
  • HR butyl rubber
  • BIIR bromobutyl rubber
  • CIIR chlorobutyl rubber
  • Brominated copolymer of isobutylene and paramethylstyrene (BIMS), butadiene rubber (BR) ⁇ Chlorinated polyethylene (CM) and / or chlorosulfonated polyethylene (CSM).
  • BIMS isobutylene and paramethylstyrene
  • BR butadiene rubber
  • CM Chlorinated polyethylene
  • CSM chlorosulfonated polyethylene
  • the aforementioned types of rubber may be unblended.
  • the use of a blend, in particular in conjunction with one of the abovementioned types of rubber for example an NR / IR blend, NR / BR blend or a BR / SBR blend, is also possible.
  • the second layer is selected if the second layer as
  • Rubber component also contains NR and / or IR.
  • the rubber composition of the second layer additionally contains at least one
  • Flame retardants This 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.
  • 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 protect combustible materials such as plastics or wood, but also steel, which loses its strength at elevated temperatures, against the effects of heat and fire.
  • 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 rubber mixture of the second layer of the base body can be inserted in a preferred embodiment, the first in the form of a compression blank in the Vulkanisierform. Subsequently, the rubber mixture of the second layer is introduced into the vulcanizing mold. This can preferably be done by a transfer method or an injection method.
  • the two rubber mixtures can be injected simultaneously or one after the other, it being advantageous in the latter case to use only the
  • 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 with elastic properties is composed of two layers.
  • the rubber mixture of the first layer 1 is in this case essentially responsible for the actual function of the metal-rubber element, while the rubber mixture of the second layer 2 additionally contains a flame retardant and is attached to the exposed areas, which are particularly at risk of fire.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (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. L'article, notamment l'élément en métal-caoutchouc, présente aux fins d'amélioration des propriétés ignifuges un corps de base réalisé en matériau polymérique aux propriétés élastiques, le corps de base étant constitué, en partie ou en totalité, de deux couches du matériau polymérique, et respectivement la première couche et la deuxième couche étant constituées d'un mélange de caoutchouc, et la deuxième couche représentant une couche orientée vers l'environnement extérieur, et le mélange de caoutchouc de la deuxième couche contenant, en plus, au moins un agent ignifuge.
PCT/EP2017/064245 2016-08-17 2017-06-12 Article, notamment élément en métal-caoutchouc pour véhicules ferroviaires WO2018033265A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17729125.9A EP3500423A1 (fr) 2016-08-17 2017-06-12 Article, notamment élément en métal-caoutchouc pour véhicules ferroviaires

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016215343.9A DE102016215343A1 (de) 2016-08-17 2016-08-17 Artikel, insbesondere ein Metall-Gummi-Element für Schienenfahrzeuge
DE102016215343.9 2016-08-17

Publications (1)

Publication Number Publication Date
WO2018033265A1 true WO2018033265A1 (fr) 2018-02-22

Family

ID=59034793

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/064245 WO2018033265A1 (fr) 2016-08-17 2017-06-12 Article, notamment élément en métal-caoutchouc pour véhicules ferroviaires

Country Status (3)

Country Link
EP (1) EP3500423A1 (fr)
DE (1) DE102016215343A1 (fr)
WO (1) WO2018033265A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2196492A1 (fr) 2008-12-15 2010-06-16 Trelleborg Automotive UK Ltd. Corps élastomère avec revêtement ignifuge élastique
WO2014019008A1 (fr) 2012-08-02 2014-02-06 Bategu Gummitechnologie Gmbh & Co Kg Composition polymère ignifugée
WO2016045813A1 (fr) * 2014-09-26 2016-03-31 Contitech Luftfedersysteme Gmbh Article, en particulier soufflet pneumatique, élément en métal-caoutchouc ou amortisseur de vibrations

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2196492A1 (fr) 2008-12-15 2010-06-16 Trelleborg Automotive UK Ltd. Corps élastomère avec revêtement ignifuge élastique
WO2014019008A1 (fr) 2012-08-02 2014-02-06 Bategu Gummitechnologie Gmbh & Co Kg Composition polymère ignifugée
WO2016045813A1 (fr) * 2014-09-26 2016-03-31 Contitech Luftfedersysteme Gmbh Article, en particulier soufflet pneumatique, élément en métal-caoutchouc ou amortisseur de vibrations

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"MAPLAN - Vision wird Realitat", PRODUKTKATALOG DER FIRMA MAPLAN, 2017, pages 1 - 40, XP055757046
DR. DANA GREFEN UND FRANK SCHMITT: "43. Tagung Moderne Schienenfahrzeuge - brandschutz von dynamisch beanspruchten gummi-/metall-komponenten, inbesondere zum einsatz in drehgestellen", BATEGU VORTRAG, 3 April 2016 (2016-04-03) - 6 April 2016 (2016-04-06), pages 1 - 34, XP055757035
NEWSLETTER DER FIRMA MAPLAN, vol. 3, October 2014 (2014-10-01), pages 1 - 4, XP055757051
REINHARD BAUER: "Angebot für Zweikomponenten-Gummi-Spritzguss erweitert", PRESSEMITTEILUNG DER FIRMA MAPLAN, May 2017 (2017-05-01), XP055757041, Retrieved from the Internet <URL:https://technokomm.at/website/wp-content/uploads/2017/11/MAPLAN-PM-Zweikomponenten-Spritzgießmaschinen-Final-DEU.pdf>

Also Published As

Publication number Publication date
DE102016215343A1 (de) 2018-02-22
EP3500423A1 (fr) 2019-06-26

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