NL2010598C2 - High pressure pipe suitable for the transport of fluids. - Google Patents

High pressure pipe suitable for the transport of fluids. Download PDF

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Publication number
NL2010598C2
NL2010598C2 NL2010598A NL2010598A NL2010598C2 NL 2010598 C2 NL2010598 C2 NL 2010598C2 NL 2010598 A NL2010598 A NL 2010598A NL 2010598 A NL2010598 A NL 2010598A NL 2010598 C2 NL2010598 C2 NL 2010598C2
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NL
Netherlands
Prior art keywords
pressure tube
tube according
intermediate layer
wax
outer layer
Prior art date
Application number
NL2010598A
Other languages
Dutch (nl)
Inventor
Emile Burnaby Lautier
Original Assignee
Bandell Burnaby Lautier Line Pipes B V
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 Bandell Burnaby Lautier Line Pipes B V filed Critical Bandell Burnaby Lautier Line Pipes B V
Priority to NL2010598A priority Critical patent/NL2010598C2/en
Application granted granted Critical
Publication of NL2010598C2 publication Critical patent/NL2010598C2/en

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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
    • B32B1/00—Layered products having a non-planar shape
    • B32B1/08—Tubular products
    • 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
    • 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/20—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. moulding inserts or for coating 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
    • 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
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels

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

Description

High pressure pipe suitable for the transport of fluids
FIELD OF THE INVENTION
The invention relates to a high pressure pipe suitable for the transport of fluids, such as hydrocarbons. The invention further relates to a method for preparing a high pressure pipe and to its use for the transport of fluids, preferably hydrocarbons and/or solvents.
BACKGROUND OF THE INVENTION
High pressure pipes are used for the transport of fluids such as hydrocarbons over relatively long distances. A known high pressure pipe comprises a steel shell that is on its inner side provided with a liner that protects the shell and fluid from corrosion etc. and that allows flow of the fluid in the high pressure tube without too many friction losses. Other known pipes comprise fiber composite shells with an inner liner. Such pipes however are not very reliable and may suffers from leakage and blister formation.
It is an object of the present invention to provide a high pressure pipe that shows less fluid leakage and blister formation than the known pipe.
SUMMARY OF THE INVENTION
According to one aspect of the present invention there is provided a high pressure pipe comprising a non fiber reinforced inner liner of a thermosetting material, an intermediate layer adapted to discontinue crack propagation, and an outer layer of a fiber reinforced thermosetting material, wherein the intermediate layer is bonded to the outer layer.
In another aspect of the invention, a high pressure pipe is provided wherein the thermosetting material of the inner liner is an unsaturated polyester, an epoxy, a vinyl ester, a phenolic, a polyurethane, an imide based thermoset or a cyanate ester.
Another aspect of the invention provides a high pressure pipe, wherein the non fiber reinforced inner liner has a strain to failure (ε*) of 5-15%, preferably 8-12%, most preferably about 10%.
In yet another aspect of the invention, the high pressure pipe is characterized in that the thermosetting material of the inner liner is a vinyl ester having a strain to failure (ε*) of 5-15%, preferably 8-12%, most preferably about 10%.
A further aspect of the invention relates to a high pressure pipe wherein the thermosetting material of the inner liner has a thickness of 2-10 mm, preferably of 5-10 mm.
Yet another aspect of the invention provides a high pressure pipe, wherein the thermosetting material of the inner liner is a vinyl ester having a strain to failure (ε*) of 5-15%, preferably 8-12%, most preferably about 10% and wherein the thickness of the inner liner is between 2-10 mm.
In another embodiment, a high pressure pipe is provided wherein the intermediate layer adapted to discontinue crack propagation has a Young’s modulus (E) of 3-10 GPa, preferably 3-5 GPa.
Another embodiment of the high pressure pipe according to the invention the intermediate layer adapted to discontinue crack propagation is a honeycomb material, a flexible two and a half or three dimensional woven fabric, such as a Parabeam® material, and/or an open or closed cell foam material.
Still another embodiment of the invention relates to a high pressure pipe wherein the intermediate layer adapted to discontinue crack propagation is substantially made from a thermoplastic material.
In a preferred embodiment of the high pressure pipe in accordance with the invention, the thermoplastic material is a hot melt adhesive, a wax , a polyvinylalcohol (PVA) or a combination thereof. More preferred is a high pressure pipe, wherein the hot melt adhesive is ethylene vinyl acetate, ethylene acrylate, a polyamide, a polyester, a polyolefin, a styrene block copolymer or a combination thereof.
Another preferred embodiment provides a high pressure pipe, wherein the wax is a mineral wax, petroleum wax, a synthetic wax or a combination thereof, and, even more preferred, wherein the mineral wax is ceresin wax, montan wax, ozocerite wax, peat wax or a combination thereof.
In accordance with another embodiment of the invention, a high pressure pipe is provided wherein the intermediate layer is substantially made from a thermoplastic material, preferably polyvinylalcohol, and has a Young’s modulus (E) of 3-10 GPa.
In accordance with yet another embodiment of the invention, a high pressure pipe is provided wherein the thermosetting material of the outer layer is an unsaturated polyester, an epoxy, a vinyl ester, a phenolic, a polyurethane, an imide based thermoset or a cyanate ester.
Although virtually any fiber may be used in the high pressure pipe of the invention, a high pressure pipe wherein the fibers of the outer layer consist of glass, aramid, carbon or a combination thereof is preferred.
Another aspect of the invention provides a high pressure pipe wherein the fibers are continuous or have an average length exceeding 50 mm. Preferred methods for preparing a high pressure pipe according to the invention comprise filament winding and/or centrifugal casting, the former being particularly preferred when using continuous fibers, the latter being particularly preferred when using discontinuous fibers with an average length exceeding 50 mm.
In another aspect of the invention, a high pressure pipe is provided wherein the intermediate layer is bonded to the outer layer and optionally to the inner liner with an adhesive.
A particularly preferred embodiment of the high pressure pipe according to the invention is characterized in that the permeability of the intermediate layer for the fluids transported through the pipe is higher than the permeability of the inner liner for such fluid, and wherein the permeability of the outer layer for such fluids is higher than the permeability of the intermediate layer for such fluids. Such an embodiment diminishes the risk for blister formation considerably and provides an elongated life time of the high pressure pipe.
A particularly preferred method for preparing a high pressure pipe in accordance with this embodiment comprises stressing the filament wound and/or centrifugal cast pipe such that the outer layer forms microcracks and the inner layer does not. The stressing is preferably carried out after at least partial hardening of the high pressure pipe.
The invention further relates to the use of a high pressure pipe as described herein for the transport of fluids, preferably hydrocarbons and/or solvents.
A preferred use comprises transporting the fluids through the pipe at a pressure of between 10 and 200 bar, more preferably of between 40 and 125 bar, an most preferably of between 60 and 100 bar.
BRIEF DESCRIPTION OF THE FIGURES
Figure 1A - is a view in perspective of a high pressure pipe according to an embodiment of the present invention; and
Figure IB - is a cross-sectional view of the embodiment shown in Figure 1 A. DETAILED DESCRIPTION OF THE INVENTION
In the present description of the invention, reference is made to the accompanying drawings that form a part hereof, and in which are shown by way of illustration only specific embodiments in which the invention may be practiced. Reference numerals affixed to respective elements merely exemplify the elements by way of example, with which it is not intended to limit the respective elements. It is to be understood that other embodiments may be utilized and structural or logical changes may be made without departing from the scope of the present invention. The following detailed description, therefore, is not to be taken in a limiting sense, and the scope of the present invention is defined by the appended claims.
As used herein, the singular forms "a", "an", and "the" include both singular and plural referents unless the context clearly dictates otherwise.
The recitation of numerical ranges by endpoints includes all numbers and fractions subsumed within the respective ranges, as well as the recited endpoints.
The term "about" or “approximately” as used herein when referring to a measurable value such as a parameter, an amount, a temporal duration, and the like, is meant to encompass variations of +/-10% or less, preferably +/-5% or less, more preferably +/-1% or less, and still more preferably +/-0.1% or less of and from the specified value, insofar such variations are appropriate to perform in the disclosed invention. It is to be understood that the value to which the modifier "about" or “approximately” refers is itself also specifically, and preferably, disclosed.
Whereas the terms “one or more” or “at least one”, such as one or more or at least one member(s) of a group of members, is clear per se, by means of further exemplification, the term encompasses inter alia a reference to any one of said members, or to any two or more of said members, such as, e.g., any >3, >4, >5, >6 or >7 etc. of said members, and up to all said members.
In the following passages, different aspects of the invention are defined in more detail. Each aspect so defined may be combined with any other aspect or aspects unless clearly indicated to the contrary. Any feature indicated may be combined with any other feature. In particular, any feature indicated as being preferred or advantageous may be combined with any other feature or features indicated as being preferred or advantageous.
Referring to figure 1 an embodiment of a high pressure pipe 1 in accordance with the invention is shown. The high pressure pipe 1 is suitable for use in the transport of fluids, such as hydrocarbons, solvents, but also fire brigade fluids for instance. The pipe 1 comprises a non fiber reinforced inner liner 2 of a thermosetting material. With non fiber reinforced is meant that the liner 2 contains no or a very limited amount of fibers only, preferably below 2% by volume. The thermosetting material of the inner liner 2 comprises a vinyl ester having a strain to failure (ε*) of about 10%. The inner liner 2 has a preferred thickness of between 2-10 mm, and in the present embodiment a thickness of about 5 mm.
The pipe 1 further comprises an intermediate layer 3 that acts to discontinue or stop crack propagation. The intermediate layer 3 in the embodiment shown is substantially made from a thermoplastic polyvinylalcohol, and has a Young’s modulus (E) in tension of preferably between 3-10 GPa, in the present embodiment of about 4 GPa. The relatively low modulus helps in stopping or slowing down crack propagation through the wall of the pipe 1. The intermediate layer 3 is optionally bonded to the inner liner 2 with an adhesive, but is preferably substantially non bonded thereto. Cracks may initiate before and/or during use in the inner liner 2 and/or in the outer layer 4, and the intermediate layer 3 is adapted to prevent the propagation of cracks from the inner liner 2 to the outer layer 4 and/or vice versa.
In another embodiment, the intermediate layer 3 comprises a honeycomb material, a flexible two and a half or three dimensional woven fabric, such as a Parabeam® material, and/or an open or closed cell foam material, of which a flexible two and a half or three dimensional woven fabric is preferred.
The pipe 1 further comprises an outer layer 4 of a fiber reinforced thermosetting material. Outer layer 4 is bonded to the intermediate layer 3 by the thermoplastic polyvinylalcohol of the intermediate layer 3 itself or by an additional hot melt adhesive, such as an ethylene vinyl acetate, an ethylene acrylate, a polyamide, a polyester, a polyolefin, a styrene block copolymer or a combination thereof, of which an ethylene vinyl acetate is particularly preferred. The thermosetting material of the outer layer 4 comprises in the present embodiment a polyurethane resin, but other resins such as an epoxy resin, a vinyl ester, a phenolic, an imide based thermoset or a cyanate ester may also be used.
The high pressure pipe 1 may be prepared by filament winding continuous fibers, preferably glass fibers, around a substantially cylindrical mandrel. In the embodiment shown, the fibers 6 run at angles of +/- 55° from the elongational axis of symmetry 5. Other layers of the outer layer 4 have fibers 7 running at an angle of 0° and fibers 8 running at an angle of 90° from the axis of symmetry 5.
In another embodiment (not shown), the high pressure pipe 1 is prepared by centrifugal or rotational casting a thermosetting resin against an outer mould that has been provided with a fiber mat, preferably a glass fiber mat, having fibers with an average length exceeding 50 mm.
A typical method for making the thermoset lined fiber reinforced pipes in accordance with the invention is rotational casting. In such a method, a cylindrical mould is rotated around its longitudinal axis. Depending on the mould diameter the rotational speed may vary between 500 and 2500 rpm.
In a first step, several layers of fabric are applied onto the inner mould surface. In an embodiment, the fabrics consist of one or more layers of fibers or fiber rovings. The direction of these fibers depends on the specific load case for the final pipe but can include a 0 or a 90 degree direction relative to the mould axis as well as all angles in between. Together with the fabric layers, an intermediate layer adapted to discontinue crack propagation is applied to the fiber reinforcement of the outer layer. The intermediate layer may comprise a material having a Young’s modulus (E) of 3-10 GPa, preferably 3-5 GPa. In another embodiment, it may be a honeycomb material, a flexible two and a half or three dimensional woven fabric, such as a Parabeam® material, and/or an open or closed cell foam material. In yet another embodiment, it may be substantially made from a thermoplastic material, such as a hot melt adhesive, a wax , a polyvinylalcohol (PYA) or a combination thereof. A very suitable intermediate layer is substantially made from a thermoplastic material, preferably polyvinylalcohol, and has a Young’s modulus (E) of 3-10 GPa. Once the fiber layers and the intermediate layer have been uniformly applied, the mould is set into rotation at its required speed for a given pipe diameter. The required speed can easily be determined by trial and error.
In a second step a polymeric laminating resin is injected into the rotating mould. The centrifugal forces will force the resin outwards towards the inner mould surface and through the fiber layers. Subsequently air is driven out of the laminate towards the internal surface where it will escape. As soon as the resin has migrated through the fiber layers, it will contact the mould surface. In this injection step, the mould surface is usually heated although this is not essential to the invention. The resin is heated by the hot mould surface which initiates and/or accelerates the curing of the resin. Because the internal surface of the curing composite laminate is in contact with air, it is advisable to fill the mould with nitrogen or another inert gas in order to prevent oxygen inhibition, which could result in incomplete curing of the internal surface.
In a third step, a flexible non fiber reinforced thermoset resin is applied to the mould to form an inner liner, while the laminate is still curing and rotating inside the mould. Through the rotational forces the curing flexible resin will form a smooth high gloss inner liner at the inner surface of the laminate.
After curing of the laminate as well as the flexible liner resin, the mould rotation is stopped. The composite pipe can now be extracted from the mould by pushing or pulling it out of the mould.
Alternatively, a flexible thermosetting liner material can be applied inside other types of composite pipe as a separate step after making the pipe using conventional methods. Care must be taken that any release agent or other contaminant is removed before the flexible thermosetting liner material is applied. The application could be done by rotational force, or it could be sprayed inside the pipe. Spraying is less preferred since it could result in air entrapment and a less then perfect surface quality. This could compromise the anti permeation properties of the flexible inner liner.
The permeability of the intermediate layer 3 for fluids transported through the pipe, for instance hydrocarbons, solvents and/or fire brigade fluids, is higher than the permeability of the inner liner 2 for such fluid. Moreover, the permeability of the outer layer 4 for such fluids is higher than the permeability of the intermediate layer 3 for such fluids. Note that permeability is a known property of a material and may be measured in accordance with well known test methods, such as those that measure a diffusion coefficient.
A method for preparing the present embodiment having layers with different permeability values may involve selecting materials for the inner layer 2, the intermediate layer 3 and the outer layer 4 that satisfy the desired gradient in permeability values across the cross-section of the pipe 1. A particularly preferred method involves stressing the filament wound and/or centrifugal cast pipe 1 such that the outer layer 4 (and optionally the intermediate layer 3) forms microcracks, while the inner liner 2 does not substantially produce such microcracks. Stressing may involve pressurizing the formed pipe 1 by applying an internal pressure, or by applying a tensile stress in the direction of the axis of symmetry 5 for instance.
A pipe 1 according to the invention, as described in detail by the above embodiment, is advantageously used in the transport of fluids under high pressure, i.e. at a pressure of between 10 and 200 bar, more preferably of between 40 and 125 bar, an most preferably of between 60 and 100 bar. Such high pressures allow to increase the flow of fluid through pipe 1 which increases productivity. A pipe 1 in accordance with the invention does not show appreciable leakage nor blister formation over time, in particular not at the indicated high pressure ranges.

Claims (23)

1. Hogedrukbuis, geschikt voor het transport van vloeistoffen, zoals koolwaterstoffen, waarin de buis een niet-vezelversterkte binnenvoering van een thermohardend materiaal omvat, een voor het onderbreken van scheurgroei ingerichte tussenlaag, en een buitenlaag van een vezelversterkt thermohardend materiaal, waarin de tussenlaag is gehecht aan de buitenlaag.A high-pressure tube suitable for transporting liquids, such as hydrocarbons, wherein the tube comprises a non-fiber-reinforced inner liner of a thermosetting material, an intermediate layer designed to interrupt crack growth, and an outer layer of a fiber-reinforced thermosetting material, in which the intermediate layer is attached to the outer layer. 2. Hogedrukbuis volgens conclusie 1, waarin het thermohardend materiaal van de binnenvoering een onverzadigde polyester, een epoxy, een vinylester, een fenol, een polyurethaan, een imide-gebaseerde thermoharder of een cyanaatester omvat.The high pressure tube of claim 1, wherein the thermosetting material of the inner liner comprises an unsaturated polyester, an epoxy, a vinyl ester, a phenol, a polyurethane, an imide-based thermoset or a cyanate ester. 3. Hogedrukbuis volgens conclusie 1 of 2, waarin de niet-vezelversterkte binnenvoering een breukrek (ε*) heeft van 5-15%, bij voorkeur 8-12%, met de meeste voorkeur ongeveer 10%.High-pressure pipe according to claim 1 or 2, wherein the non-fiber-reinforced inner liner has a elongation at break (ε *) of 5-15%, preferably 8-12%, most preferably about 10%. 4. Hogedrukbuis volgens één der conclusies 1-3, waarin het thermohardend materiaal van de binnenvoering een vinylester omvat met een breukrek (ε*) van 5-15%, bij voorkeur 8-12%, met de meeste voorkeur ongeveer 10%.High-pressure tube according to any one of claims 1-3, wherein the thermosetting material of the inner lining comprises a vinyl ester with a break elongation (ε *) of 5-15%, preferably 8-12%, most preferably about 10%. 5. Hogedrukbuis volgens één der conclusies 1-4, waarin het thermohardend materiaal van de binnenvoering een dikte heeft van 2-10 mm, bij voorkeur van 5-10 mm.High-pressure pipe according to any one of claims 1-4, wherein the thermosetting material of the inner liner has a thickness of 2-10 mm, preferably of 5-10 mm. 6. Hogedrukbuis volgens één der conclusies 1-5, waarin het thermohardend materiaal van de binnenvoering een vinylester omvat met een breukrek (ε*) van 5-15%, bij voorkeur 8-12%, met de meeste voorkeur ongeveer 10% en waarin de dikte van de binnenvoering tussen 2-10 mm bedraagt.A high-pressure tube according to any one of claims 1-5, wherein the thermosetting material of the inner lining comprises a vinyl ester with a break elongation (ε *) of 5-15%, preferably 8-12%, most preferably about 10% and wherein the thickness of the inner lining is between 2-10 mm. 7. Hogedrukbuis volgens één der conclusies 1-6, waarin de voor het onderbreken van scheurgroei ingerichte tussenlaag een Young’s modulus (E) heeft van 3-10 GPa, bij voorkeur 3-5 GPa.High-pressure tube according to any of claims 1-6, wherein the intermediate layer designed to interrupt crack growth has a Young's modulus (E) of 3-10 GPa, preferably 3-5 GPa. 8. Hogedrukbuis volgens één der conclusies 1-7, waarin de voor het onderbreken van scheurgroei ingerichte tussenlaag een honingraatmateriaal omvat, een flexibel twee-en-een-half- of driedimensionaal weefsel, zoals een Parabeam® materiaal, en/of een open of gesloten cel schuimmateriaal.A high-pressure tube according to any one of claims 1-7, wherein the intermediate layer designed to interrupt crack growth comprises a honeycomb material, a flexible two-and-a-half or three-dimensional fabric, such as a Parabeam® material, and / or an open or closed cell foam material. 9. Hogedrukbuis volgens één der conclusies 1-8, waarin de voor het onderbreken van scheurgroei ingerichte tussenlaag in hoofdzaak is gemaakt van een thermoplastisch materiaal.The high-pressure tube according to any one of claims 1-8, wherein the intermediate layer designed to interrupt crack growth is essentially made of a thermoplastic material. 10. Hogedrukbuis volgens conclusie 9, waarin het thermoplastisch materiaal een hot melt lijm, een was, een polyvinylalcohol (PYA) of een combinatie daarvan omvat.The high pressure tube according to claim 9, wherein the thermoplastic material comprises a hot melt glue, a wax, a polyvinyl alcohol (PYA) or a combination thereof. 11. Hogedrukbuis volgens conclusie 10, waarin de hot melt lijm een etheenvinylacetaat, etheenacrylaat, een polyamide, een polyester, een polyolefine, een styreen blokcopolymeer of een combinatie daarvan omvat.The high pressure tube of claim 10, wherein the hot melt adhesive comprises an ethylene vinyl acetate, ethylene acrylate, a polyamide, a polyester, a polyolefin, a styrene block copolymer or a combination thereof. 12. Hogedrukbuis volgens conclusie 10 of 11, waarin de was een mineraalwas, petroleumwas, een synthetische was of een combinatie daarvan omvat.The high-pressure tube according to claim 10 or 11, wherein the wax comprises a mineral wax, petroleum wax, a synthetic wax or a combination thereof. 13. Hogedrukbuis volgens één der conclusies 9-12, waarin de mineraalwas een ceresinewas, montaanwas, ozocerietwas, turfwas of een combinatie daarvan omvat.A high pressure tube according to any one of claims 9-12, wherein the mineral wax comprises a ceresin wax, montan wax, ozocerite wax, peat wax or a combination thereof. 14. Hogedrukbuis volgens één der conclusies 7-13, waarin de tussenlaag in hoofdzaak is gemaakt van een thermoplastisch materiaal, bij voorkeur polyvinylalcohol, en een Young’s modulus (E) heeft van 3-10 GPa.A high-pressure tube according to any one of claims 7-13, wherein the intermediate layer is essentially made of a thermoplastic material, preferably polyvinyl alcohol, and has a Young's modulus (E) of 3-10 GPa. 15. Hogedrukbuis volgens één der conclusies 1-14, waarin het thermohardend materiaal van de buitenlaag een onverzadigde polyester, een epoxy, een vinylester, een fenol, een polyurethaan, een imide-gebaseerde thermoharder of een cyanaatester omvat.The high pressure tube of any one of claims 1-14, wherein the thermosetting material of the outer layer comprises an unsaturated polyester, an epoxy, a vinyl ester, a phenol, a polyurethane, an imide-based thermoset or a cyanate ester. 16. Hogedrukbuis volgens één der conclusies 1-15, waarin de vezels van de buitenlaag bestaan uit glas, aramide, koolstof of een combinatie daarvan.A high-pressure tube according to any one of claims 1-15, wherein the fibers of the outer layer consist of glass, aramid, carbon or a combination thereof. 17. Hogedrukbuis volgens één der conclusies 1-16, waarin de vezels continue zijn of een gemiddelde lengte van meer dan 50 mm bezitten.A high-pressure tube according to any one of claims 1-16, wherein the fibers are continuous or have an average length of more than 50 mm. 18. Hogedrukbuis volgens één der voorgaande conclusies, waarin de tussenlaag met een lijm is gehecht aan de buitenste laag en eventueel aan de binnenvoering.18. A high-pressure tube according to any one of the preceding claims, wherein the intermediate layer is bonded with an adhesive to the outer layer and optionally to the inner lining. 19. Hogedrukbuis volgens één der conclusies 1-18, waarin de doorlaatbaarheid van de tussenlaag voor de door de buis getransporteerde vloeistoffen hoger is dan de doorlaatbaarheid van de binnenvoering voor een dergelijke vloeistof, en waarin de doorlaatbaarheid van de buitenlaag voor dergelijke vloeistoffen hoger is dan de doorlaatbaarheid van de tussenlaag voor dergelijke vloeistoffen.19. A high-pressure tube according to any one of claims 1-18, wherein the permeability of the intermediate layer for the liquids transported through the tube is higher than the permeability of the inner liner for such a liquid, and wherein the permeability of the outer layer for such liquids is higher than the permeability of the intermediate layer for such liquids. 20. Werkwijze voor het vervaardigen van een hogedrukbuis volgens één der conclusies 1-19, waarbij de werkwijze filament wikkelen en/of centrifugaalgieten omvat.A method for manufacturing a high-pressure pipe according to any one of claims 1-19, wherein the method comprises filament winding and / or centrifugal casting. 21. Werkwijze volgens conclusie 20 voor het vervaardigen van een hogedrukbuis volgens conclusie 19, waarbij de werkwijze het opspannen van de filament gewikkelde en/of centrifugaal gegoten buis omvat en wel dusdanig dat de buitenlaag microscheuren vormt en de binnenlaag niet.A method according to claim 20 for manufacturing a high-pressure tube according to claim 19, wherein the method comprises tensioning the filament-wound and / or centrifugally cast tube, such that the outer layer forms micro-cracks and the inner layer does not. 22. Gebruik van een hogedrukbuis volgens één der conclusies 1-21 voor het transport van vloeistoffen, bij voorkeur koolwaterstoffen en/of oplosmiddelen.Use of a high-pressure tube according to any one of claims 1-21 for the transport of liquids, preferably hydrocarbons and / or solvents. 23. Gebruik volgens conclusie 22, waarin de vloeistoffen door de buis worden getransporteerd bij een druk tussen 10 en 200 bar, meer bij voorkeur tussen 40 en 125 bar, en met de meeste voorkeur tussen 60 en 100 bar.The use of claim 22, wherein the liquids are transported through the tube at a pressure between 10 and 200 bar, more preferably between 40 and 125 bar, and most preferably between 60 and 100 bar.
NL2010598A 2013-04-09 2013-04-09 High pressure pipe suitable for the transport of fluids. NL2010598C2 (en)

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Application Number Priority Date Filing Date Title
NL2010598A NL2010598C2 (en) 2013-04-09 2013-04-09 High pressure pipe suitable for the transport of fluids.

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NL2010598A NL2010598C2 (en) 2013-04-09 2013-04-09 High pressure pipe suitable for the transport of fluids.
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1629609A1 (en) * 1966-05-18 1971-01-28 Ruetgerswerke Ag Process for the production of insulated pipes and pipe parts from plastics
US3988412A (en) * 1973-04-12 1976-10-26 Youngstown Sheet And Tube Company Method of making pipe having a liner layer of mixed resins
US4097569A (en) * 1975-06-23 1978-06-27 Youngstown Sheet And Tube Company Modified vinyl ester resin and pipe made therefrom
WO2006053742A2 (en) * 2004-11-20 2006-05-26 Knoch, Kern & Co. Plastic tube
US20080187696A1 (en) * 2004-12-03 2008-08-07 Guntram Bock Plastic Hollow Body, In Particular Plastic Pipe
WO2011124807A1 (en) * 2010-03-30 2011-10-13 Dcns Pipe for drawing up cold water for a marine thermal energy plant

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1629609A1 (en) * 1966-05-18 1971-01-28 Ruetgerswerke Ag Process for the production of insulated pipes and pipe parts from plastics
US3988412A (en) * 1973-04-12 1976-10-26 Youngstown Sheet And Tube Company Method of making pipe having a liner layer of mixed resins
US4097569A (en) * 1975-06-23 1978-06-27 Youngstown Sheet And Tube Company Modified vinyl ester resin and pipe made therefrom
WO2006053742A2 (en) * 2004-11-20 2006-05-26 Knoch, Kern & Co. Plastic tube
US20080187696A1 (en) * 2004-12-03 2008-08-07 Guntram Bock Plastic Hollow Body, In Particular Plastic Pipe
WO2011124807A1 (en) * 2010-03-30 2011-10-13 Dcns Pipe for drawing up cold water for a marine thermal energy plant

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