EP2611602A1 - Tuyau à faible vitesse de perméation, en particulier tuyau pour fluide frigorigène haute température, et procédé de fabrication dudit tuyau à faible vitesse de perméation - Google Patents

Tuyau à faible vitesse de perméation, en particulier tuyau pour fluide frigorigène haute température, et procédé de fabrication dudit tuyau à faible vitesse de perméation

Info

Publication number
EP2611602A1
EP2611602A1 EP11736080.0A EP11736080A EP2611602A1 EP 2611602 A1 EP2611602 A1 EP 2611602A1 EP 11736080 A EP11736080 A EP 11736080A EP 2611602 A1 EP2611602 A1 EP 2611602A1
Authority
EP
European Patent Office
Prior art keywords
hose
layer
yarn
barrier layer
polymeric material
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.)
Withdrawn
Application number
EP11736080.0A
Other languages
German (de)
English (en)
Inventor
Michael Sont
Ute Kehr
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 Kuehner GmbH and Cie KG
Original Assignee
ContiTech Kuehner GmbH and Cie KG
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 Kuehner GmbH and Cie KG filed Critical ContiTech Kuehner GmbH and Cie KG
Publication of EP2611602A1 publication Critical patent/EP2611602A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B29D23/00—Producing tubular articles
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/151—Coating hollow articles
    • 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
    • B32B1/08—Tubular products
    • 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
    • B32B25/08—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 synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
    • F16L11/081—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/08—Copolymers of ethylene
    • B29K2023/086—EVOH, i.e. ethylene vinyl alcohol copolymer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0068—Permeability to liquids; Adsorption
    • B29K2995/0069—Permeability to liquids; Adsorption non-permeable
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B32B2262/0269—Aromatic polyamide fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • 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
    • B32B2272/00—Resin or rubber layer comprising scrap, waste or recycling 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
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • 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
    • B32B2307/51—Elastic
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, 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
    • B32B2597/00—Tubular articles, e.g. hoses, pipes
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L2011/047—Hoses, i.e. flexible pipes made of rubber or flexible plastics with a diffusion barrier layer
    • 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
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1379—Contains vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit
    • Y10T428/1383—Vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit is sandwiched between layers [continuous layer]
    • 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
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
    • Y10T428/1393—Multilayer [continuous layer]

Definitions

  • the invention relates to a hose with low permeation rate, with at least the following layer structure:
  • barrier layer in the form of a mono-film or multilayer film of a polymeric material
  • An inner layer made of a polymeric material having elastic properties and built up on the barrier layer
  • Refrigerant hoses are used for the transport of gaseous or liquid refrigerants, in particular of HFC refrigerants, in air conditioning systems, with particular reference being made in this regard to the following literature:
  • films made of a polymeric material are becoming increasingly important.
  • Mono-films for example of a polyamide (PA), and in particular multilayer films (film composite materials), for example of PA and a polymer based on ethylene vinyl alcohol (EVOH), are used.
  • PA polyamide
  • EVOH ethylene vinyl alcohol
  • the yarn-based reinforcement is applied in one layer during the braiding process.
  • the braiding machine is usually with 12 coils right or left.
  • a bobbin can hold up to eight threads so that up to 96 threads in one direction and as much in the other direction are applied to the tube.
  • the hose is 100% covered with yarn.
  • a liability between the individual layers of inner layer-yarn outer layer is generated by a
  • Adhesive which are in the polymer blends, or by additionally applied primer solutions.
  • the bursting pressure is three times as high as the standard demands.
  • the invention is based on the object to provide a generic hose, which is characterized by a particularly low permeation rate for HFC refrigerant, high flexibility, high vibration damping, good dynamic properties and high dynamic pressure resistance.
  • the reinforcing element is present in helical form, with the formation of at least two helical layers, the area between two helical layers being free from an intermediate layer made of a polymeric material
  • the reinforcement is in multiple coiled form, so that form at least two helical layers. In this way, a strength carrier Kontstuktion is produced with high thread density with the simultaneous presence of thread gaps.
  • the thread material for the reinforcement is made of a yarn, which is in particular made of a synthetic polymer. Of particular importance is because of its high strength a yarn of a polyester or a polyaramid. The following will now be closer to the barrier layer as well as the inner layer and
  • the barrier layer formed from a thermoplastic or a thermoplastic
  • Elastomer has a thickness of 0.05 to 0.6 mm, in particular from 0.3 to 0.4 mm.
  • barrier layer in the form of a mono-foil, in particular the following two variants are used:
  • the film consists of a polyamide (PA), in particular of PA6, in particular of a flexibilized PA6.
  • PA polyamide
  • the film is a thermoplastic alloy of PA6 and a polyolefin
  • polypropylene for example, polypropylene (PP).
  • PP polypropylene
  • This alloy is provided with additives, but preferably low in plasticizer, especially plasticizer-free.
  • all films may consist of thermoplastic materials or comprise a combination of a thermoplastic with a thermoplastic elastomer.
  • a thermoplastic film composite a first film of the above-mentioned PA6 and a second film of a polymer based on
  • Ethylene vinyl alcohol (EVOH).
  • the polymeric material of the inner layer and outer layer of the tube has elastic properties, in which respect the following two polymer variants in particular are used: Polymer variant A
  • the polymeric material is an elastomeric material based on a vulcanized rubber composition containing an unblended rubber component or a rubber component blend and conventional blend ingredients.
  • rubber components may be mentioned in particular:
  • EPM Ethylene-Propy-1-ene-Schpolymeri sat
  • EPDM Ethylene-propylene-diene copolymer
  • NBR Nitrile rubber
  • HNBR hydrogenated nitrile rubber
  • SBR Styrene butadiene rubber
  • CM Chlorinated polyethylene
  • CSM Chlorosulfonated polyethylene
  • EVA Ethylene-vinyl acetate rubber
  • ACM Acrylate rubber
  • Silicone rubber (MQ, VMQ, PVMQ, FVMQ, DE 10 2006 058 470 AI)
  • MFQ Fluorinated methyl silicone rubber
  • FFPM Perfluorinated propylene rubber
  • FFKM Perfluorocarbon rubber
  • the preferred rubber components for the inner layer are: EPDM, IIR, BIIR, CUR or BIMS or blends thereof or blends with others
  • Rubber types Of particular importance is uncut BFMS.
  • the preferred rubber components for the outer layer are: ACM, AEM, CM, ETER, EPDM, EPM, EVA, IIR, BIIR, CUR, BIMS, FKM or HNBR or
  • Blends thereof or blends with other types of rubber are blended with other types of rubber. Of particular importance is uncut EPDM or EPM.
  • the usual blend ingredients include at least one crosslinker or crosslinker system (crosslinker and accelerator). Further,
  • Mixture ingredients are usually still a filler and / or a
  • Anti-aging agents and / or an adhesion promoter and optionally further additives for example color pigments.
  • the polymeric material is a thermoplastic vulcanizate (thermoplastic elastomer, abbreviated TPE) containing at least one
  • Thermoplastic component at least one rubber component which is at least partially crosslinked, as well as conventional Mischingingredienzien.
  • thermoplastic components are: Polyolefin, in particular polyethylene (PE) or polypropylene (PP) polystyrene
  • PA Polyamide
  • Polyester for example PET, PEN or PBT
  • rubber components are in particular EPM, EPDM, SBR, CR, NR, NBR, FKM, ACM or AEM mentioned in particular with no further
  • Rubber component are blended.
  • Plasticizer known in the art or combinations thereof, in particular a paraffinic mineral oil plasticizer
  • TAC triallyl cyanurate
  • BAPFR brominated alkylphenol-formaldehyde resins
  • Crosslinking agent 0.3 to 8 n) h) ACM, AEM, CM, ETER, EPDM, EPM, EVA, IIR, BIIR, CIIR, BIMS, FKM or HNBR or blends thereof or blends with other types of rubber, in particular uncut EPDM or EPM
  • FEP FEP, GPF, HAF, SFR, MT carbon blacks, silicic acids, chalk, kaolin, aluminum silicates, calcium silicates, magnesium silicates and other fillers known to those skilled in the art or combinations thereof, in particular FEP, GPF and MT blacks or
  • allyl compounds known to the person skilled in the art, such as TAC, TAIC, TAP, TATM, DAPE, DATP, TAE, TC, ATC and others; Methacrylates such as BDMA, EDMA, TEDMA, TRFM and others; Zinc diacrylate; 1,2-Br; ⁇ , ⁇ '-m-phenylene dimaleimide, or combinations thereof, but in particular TAC
  • the hose according to the invention has its preferred application as
  • This new high-temperature refrigerant hose meets the requirements set out in the specifications of the automotive industry Refrigerant hoses are described, in their entirety.
  • the new hose can be universally used for the suction and discharge side of air conditioning systems.
  • molded hose pieces can also be produced, in particular, in turn, shaped refrigerant hoses.
  • a further object of the invention is to provide a method by means of which a hose can be produced which is characterized by a particularly low permeation rate for HFC refrigerants, a high flexibility, a high degree of flexibility
  • Vibration damping good dynamic properties and characterized by a high dynamic pressure capacity, in a simplified as well as
  • a polymeric material is a mono-foil or a
  • barrier layer On the barrier layer is an inner layer of a vulcanizable
  • the hose blank is vulcanized.
  • the thickness of the barrier layer the film materials, the
  • Reinforcing material as well as the vulcanizable polymer blends on elastomer or TPE basis for the inner layer and outer layer is referred to the already mentioned in detail.
  • the inventive method with integration of the new helical method without an extruded intermediate layer between two helical layers allows a continuous sequence of the above-mentioned method steps with high line speed.
  • the new helical driving comprises in the context of an embodiment the following points:
  • the formation of the reinforcing agent takes place in such a way that no adhesion promoter is used between two helical layers, for example by dipping, brushing or spraying a solution or an aqueous dispersion.
  • the monofilaments have one Optimized preparation, which supports the adhesion of the threads to each other and to the inner and outer layer.
  • the inner layer is also applied to the barrier layer without a bonding agent.
  • the vulcanization of the tube blank takes place under steam and / or pressure.
  • the tube 1 has the following layer structure:
  • a low permeation rate barrier layer 2 in the form of a mono-film of PA6 or multilayer film of a coextruded film composite of PA6 / EVOH;
  • Rubber compound based on uncut BIMS - A resting on the inner layer 3 multi-layer reinforcement 4 in

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un tuyau (1) à faible vitesse de perméation, en particulier un tuyau pour fluide frigorigène haute température, présentant au moins la structure stratifiée suivante : une couche barrière (2) sous la forme d'une feuille monocouche ou d'une feuille à plusieurs couches constituée d'une matière polymère; une couche intérieure (3) réalisée sur la couche barrière (2) et constituée d'une matière polymère ayant des propriétés élastiques; une armature (4) constituée d'un matériau filiforme reposant sur la couche intérieure (3), ainsi qu'une couche extérieure (5) qui est constituée d'une matière polymère ayant des propriétés élastiques et qui protège contre les influences extérieures. Le tuyau (1) selon l'invention se caractérise en ce que l'armature (4) se présente sous une forme hélicoïdale, et ce, par la formation d'au moins deux couches hélicoïdales, la zone située entre deux couches hélicoïdales étant dénuée de couche intermédiaire en matière polymère. La zone située entre deux couches hélicoïdales est en outre en particulier dénuée d'agent adhésif. L'invention concerne également un procédé de fabrication d'un tel tuyau (1).
EP11736080.0A 2010-08-30 2011-07-21 Tuyau à faible vitesse de perméation, en particulier tuyau pour fluide frigorigène haute température, et procédé de fabrication dudit tuyau à faible vitesse de perméation Withdrawn EP2611602A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010037211A DE102010037211A1 (de) 2010-08-30 2010-08-30 Schlauch mit niedriger Permeationsrate, insbesondere ein Hochtemperaturkälteschlauch, und Verfahren zu dessen Herstellung
PCT/EP2011/062517 WO2012028381A1 (fr) 2010-08-30 2011-07-21 Tuyau à faible vitesse de perméation, en particulier tuyau pour fluide frigorigène haute température, et procédé de fabrication dudit tuyau à faible vitesse de perméation

Publications (1)

Publication Number Publication Date
EP2611602A1 true EP2611602A1 (fr) 2013-07-10

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EP11736080.0A Withdrawn EP2611602A1 (fr) 2010-08-30 2011-07-21 Tuyau à faible vitesse de perméation, en particulier tuyau pour fluide frigorigène haute température, et procédé de fabrication dudit tuyau à faible vitesse de perméation

Country Status (4)

Country Link
US (1) US8800604B2 (fr)
EP (1) EP2611602A1 (fr)
DE (1) DE102010037211A1 (fr)
WO (1) WO2012028381A1 (fr)

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FR3046827B1 (fr) 2016-01-15 2018-05-25 Arkema France Structure tubulaire multicouche possedant une meilleure resistance a l'extraction dans la bio-essence et son utilisation
FR3046826B1 (fr) * 2016-01-15 2018-05-25 Arkema France Structure tubulaire multicouche possedant une meilleure resistance a l'extraction dans la bio-essence et son utilisation
DE102018200542A1 (de) * 2018-01-15 2019-07-18 Contitech Mgw Gmbh Schlauch, insbesondere für Kraftfahrzeuge
DE102019203254A1 (de) * 2019-03-11 2020-09-17 CONTITECH KüHNER GMBH & CIE KG Kältemittelschlauch
US11466799B2 (en) 2019-03-26 2022-10-11 Titeflex Corporation Multilayer composite pipe and pipe assemblies including reflective insulation
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US11480271B2 (en) 2019-03-26 2022-10-25 Titeflex Corporation Multilayer composite pipe and pipe assemblies including reflective insulation
US11846370B2 (en) 2019-03-26 2023-12-19 Titeflex Corporation Multilayer composite pipe and pipe assemblies including reflective insulation
US10995884B1 (en) 2019-03-26 2021-05-04 Titeflex Corporation Multilayer composite pipe and pipe assemblies including reflective insulation
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Also Published As

Publication number Publication date
US8800604B2 (en) 2014-08-12
US20130126031A1 (en) 2013-05-23
DE102010037211A1 (de) 2012-03-01
WO2012028381A1 (fr) 2012-03-08

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