WO2009074876A2 - Tubes de plastique enroulés renforcés par fibres de verre et procédé de fabrication - Google Patents

Tubes de plastique enroulés renforcés par fibres de verre et procédé de fabrication Download PDF

Info

Publication number
WO2009074876A2
WO2009074876A2 PCT/IB2008/003769 IB2008003769W WO2009074876A2 WO 2009074876 A2 WO2009074876 A2 WO 2009074876A2 IB 2008003769 W IB2008003769 W IB 2008003769W WO 2009074876 A2 WO2009074876 A2 WO 2009074876A2
Authority
WO
WIPO (PCT)
Prior art keywords
polyester resin
roving
layer
resin mixture
filler
Prior art date
Application number
PCT/IB2008/003769
Other languages
German (de)
English (en)
Other versions
WO2009074876A3 (fr
Inventor
Carlström BENGT
Original Assignee
Caldero Trust Reg
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 Caldero Trust Reg filed Critical Caldero Trust Reg
Publication of WO2009074876A2 publication Critical patent/WO2009074876A2/fr
Publication of WO2009074876A3 publication Critical patent/WO2009074876A3/fr

Links

Classifications

    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/32—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/02—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising combinations of reinforcements, e.g. non-specified reinforcements, fibrous reinforcing inserts and fillers, e.g. particulate fillers, incorporated in matrix material, forming one or more layers and with or without non-reinforced or non-filled layers
    • B29C70/021—Combinations of fibrous reinforcement and non-fibrous material
    • B29C70/025—Combinations of fibrous reinforcement and non-fibrous material with particular filler
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/08—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
    • B29C70/081—Combinations of fibres of continuous or substantial length and short fibres
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • 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
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
    • B32B17/04—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments bonded with or embedded in a plastic substance
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • 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
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • B32B5/02—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 structural features of a fibrous or filamentary layer
    • B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
    • 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
    • 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
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/06—Unsaturated polyesters
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • B29K2105/0014—Catalysts
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • 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
    • B29K2503/00—Use of resin-bonded materials as filler
    • B29K2503/04—Inorganic materials
    • B29K2503/08—Mineral aggregates, e.g. sand, clay or the like
    • 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
    • B29K2709/00—Use of inorganic materials not provided for in groups B29K2703/00 - B29K2707/00, for preformed parts, e.g. for inserts
    • B29K2709/10—Mica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid
    • 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
    • B32B2250/05—5 or more 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/104—Oxysalt, e.g. carbonate, sulfate, phosphate or nitrate particles
    • 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
    • B32B2307/54—Yield strength; Tensile strength
    • 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
    • B32B2307/558—Impact strength, toughness
    • 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

Definitions

  • the invention relates to wound glass fiber reinforced plastic pipes and a process for their preparation.
  • Glass fiber reinforced plastic (GRP) pipes are generally made in the prior art either by the Drostholm process or by the centrifugal process.
  • Drostholm process thin-walled, narrow steel blades are wound in a spiral on a core.
  • the steel sheets are displaced along the core by the action of a device disposed obliquely to the core.
  • glass fibers and polyester resins are applied.
  • FIGS. 1 and 2 The schematic structure of plastic tubes obtained by means of the Drostholm method or further developments of this method is shown in FIGS. 1 and 2.
  • the individual layers are numbered, wherein the layer which forms the outside of the tube, each marked with the numeral 1 and the following layers are denoted by numbers which increase in the direction of the tube axis, so that the layer forming the tube inside has the highest digit.
  • the layers are formed from one or more polyester resins, wherein each layer is added depending on their function, different additives such as sand, glass fibers, nonwovens and optionally additives.
  • the layers are substantially characterized by the indication of the polyester resin added additives ⁇ .
  • the GRP pipe shown in FIG. 1 has the following layers from the outside of the pipe to the inside of the pipe:
  • the GRP pipe shown in FIG. 2 has the following layers from the outside of the pipe to the inside of the pipe:
  • an outer cover layer serving as a protective layer for example, a nonwoven surface mat embedded in a polyester resin
  • the layers denoted by (2) and (4) in Fig. 2 are also referred to functionally as structural layers, layer (2) being the outer structural layer, while layer (4) being the inner structural layer.
  • GRP pipes are obtained, which have a continuous roving, wherein in addition an axial reinforcement can be provided.
  • the continuous roving extends over the entire length of the tube.
  • cut glass fibers are used in the centrifugal process to obtain spun fiberglass tubes.
  • Sliced glass fibers used in the centrifugal process offer the advantage of preventing leakage of the produced GRP pipe. For pipes manufactured using the Drostholm process, it has been difficult for a long time to produce pipes without defects.
  • the object of the invention is to eliminate the disadvantages of the prior art.
  • a wound glass-fiber-reinforced plastic tube is to be specified, which can be produced more cheaply while maintaining the same quality.
  • This object is achieved by the features of claims 1 and 6.
  • Advantageous embodiments of the invention will become apparent from the features of claims 2 to 5 and 12 to 16.
  • a wound glass fiber reinforced plastic tube which is constructed of a multilayer and comprises a core layer, which is formed from at least one polyester resin mixture, sand, glass fibers and optionally additives, wherein the polyester resin mixture is a mixture of a polyester resin, a Filler and optionally additives.
  • a preferred filler is calcium carbonate.
  • the glass fibers contained in the core layer are present in the circumferential direction as a ring.
  • the core layer may also include short rovings.
  • the use according to the invention of a filler in the core layer makes possible an approximately 30% reduction in the proportion by weight of the polyester resin, which is associated with a considerable cost advantage. Further, due to the use of the filler, a higher modulus of elasticity of the core layer can be achieved, allowing a reduction in the wall thickness of the tube. Moreover, the inventive tubes further allow a nominal diameter of 4 m.
  • core layer is to be understood as meaning a layer of the plastic tube which lies between two layers, and thus the plastic tube according to the invention comprises at least three layers.
  • polyester resin mixture is to be understood as meaning a mixture which comprises at least one polyester resin and one filler fabric includes.
  • the filler can be any filler except sand.
  • the polyester resin mixture may contain more than one filler. It may also have various polyester resins.
  • the polyester resin mixture may contain additives. The proportion of these additives to the polyester resin mixture preferably exceeds 20 wt .-%, based on the weight of the polyester resin mixture is not.
  • no more than 2% by weight of the filler based on the weight of the filler in the polyester resin mixture, should have a grain size exceeding the diameter of the glass fibers. If the core layer also contains short rovings in addition to the roving, the diameter of the glass fibers forming the roving in the circumferential direction is decisive.
  • Fig. 5 is shown schematically that the total elongation in the length d must be taken up by the part of the bars a and b, since the filler K can not absorb any stretch over its length b.
  • the proportion of very small grains of the FuIl- substance, d. h is grains having a size less than 1 ⁇ m, at most 10% by weight, based on the weight of the filler in the polyester resin mixture.
  • This proportion of very small grains of filler delays the separation of the larger grains.
  • the filler preferably has a specific surface area of 1 m 2 / g.
  • the elongation at break of the polyester resin used of the polyester resin mixture is at least 2%, preferably 2 to 3%, particularly preferably 2.5%.
  • the polyester resin should be present in a ratio of 1: 0.5 to 1: 2, preferably 1: 1.5, each by weight, to the filler.
  • Additives which may be added to the polyester resin mixture include catalysts such as acetone-acetyl peroxide (AAP) and tert. Butyl perbenzoate (TBPB); Inhibitors such as butylcatechol; Accelerators such as N, N-diethylacetoacetamide, cobalt octate and cobalt naphthanate; and viscosity reducers such as BYK.
  • catalysts such as acetone-acetyl peroxide (AAP) and tert. Butyl perbenzoate (TBPB); Inhibitors such as butylcatechol; Accelerators such as N, N-diethylacetoacetamide, cobalt octate and cobalt naphthanate; and viscosity reducers such as BYK.
  • the additives provided in the core layer are preferably mixed completely with the polyester resin mixture according to the invention during its production.
  • the additives may instead be completely supplied to the tube winding systems during the application of the polyester resin mixture according to the invention.
  • some of the additives may be added to the polyester resin mixture during its production and another part fed during the application of the polyester resin mixture according to the invention to the tube winding system.
  • the polyester resin used for the polyester resin mixture of the present invention may be, for example, an unsaturated polyester resin such as e.g. B. Polymal ® 104 or 204.
  • roving is understood to mean bundles of endless, untwisted, stretched glass fibers, the glass fibers preferably having a diameter of 11 to 17 ⁇ m. Roving in the circumferential direction thus involves endless glass fibers which are introduced in the circumferential direction into the layer, preferably by means of a winding machine.
  • short roving is understood to mean comparatively short pieces of glass fibers, short rovings generally have a length of 25 to 75 mm, and short rovings represent a further reinforcement in order to increase the elongation at break of the fiberglass tube.
  • Layers (structural layers), the core layer and the barrier layer may be provided.
  • the polyester resin mixture can be used in addition to the core layer for other layers of the GRP pipe, wherein the composition and properties of the polyester resin mixture in each layer, including the core layer can differ. However, if the polyester resin mixture according to the invention is used for further layers, it is expedient to use the same polyester resin mixture for all these layers in order to simplify the tube production process.
  • polyester resins which differ from the polyester resin which was used for the preparation of the polyester resin mixture according to the invention.
  • the same polyester resin can be used for these layers as for the polyester resin mixture.
  • polyester resin is determined by the desired properties of the particular layer.
  • a cover layer forming the inside of the pipe should be made of a polyester resin having an elongation at break of 3 to 4% in order to ensure the tightness of the pipe under an internal pressure load.
  • plastic tube in one embodiment, the following layers are provided starting from the outside of the tube to the inside of the tube:
  • the outer cover layer is also called a protective layer.
  • the barrier layer preferably contains glass fibers in the form of short rovings.
  • the polyester resin mixture according to the invention may be used in addition to the production of the core layer for the production of at least one of the layers (a), (b) and (d), wherein - as stated above - the composition and properties of the polyester resin mixture in each layer , including the core layer can differ.
  • the layers (e) and (f) is preferably a polyester resin, but not the inventive polyester resin mixture used.
  • a process for the preparation ⁇ position of the inventive wound glass-fiber reinforced plastic pipe is further provided with a multilayer structure, to which a pipe winding plant applied to the layers of the plastic pipe one by one, is used.
  • a tube winding system is described for example in US 4,011,354.
  • the method comprises:
  • step (d) applying the polyester resin mixture obtained in step (c) to the tube winding system, wherein the tube winding system during the order of the polyester resin mixture can simultaneously sand and / or glass fibers, which are required to form the respective layer, nen fed ,
  • the layers are successively applied to the tube winding system, wherein the layer, the layer which is to form the tube inside of the tube to be produced (inner cover layer), is begun and then the respectively following layer is applied to the outer cover layer.
  • the layers are formed by adding a given poly- ester or, if the inventive polyester resin mixture is used for the construction of the respective layer, the polyester resin mixture are applied to the tube winding system. During the application of the polyester resin or the inventive polyester resin mixture, the other constituents of the layer to be produced are likewise applied to the tube winding system.
  • the roving is wound around the tube winding system during the application of the polyester resin or the polyester resin mixture according to the invention and the other constituents in the circumferential direction.
  • the application of the polyester resin or the polyester resin mixture and the other components except for the circumferential roving is expediently carried out by requiring them from the top of the tube winding system.
  • the tube is hardened, for example, by exposure to heat, such as infrared radiation or induction heat, and then optionally cut to size.
  • heat such as infrared radiation or induction heat
  • a turbine mixer is preferably used.
  • the turbine mixer should be operated at a speed of 1000 to 2000 revolutions / min.
  • a turbine mixer consists essentially of a small disc located in a mixing container, which is operated at very high speeds. On at least one side of the disc there are traces which cause a circulation flow of the mixed material. The speed depends on the Diameter of the disc, but should be in the order of 1000 to 2000 revolutions / min. The diameter of the disc should be 30 to 50% of the diameter of the mixing container.
  • step (c) is performed under vacuum to remove trapped airborne particles.
  • Fig. 1 is a schematic representation of the layer structure of a first GRP pipe according to the prior art
  • FIG. 2 shows a schematic representation of the layer structure of a second GRP pipe according to the prior art
  • Fig. 3 is a schematic representation of the layer structure of a first embodiment of the invention
  • Fig. 5 is a schematic representation of the layer structure of a second embodiment of the inventive GRP pipe.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Textile Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Moulding By Coating Moulds (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un tube de plastique enroulé renforcé par fibres de verre, conçu en plusieurs couches, contenant une couche centrale. La couche centrale est composée d'au moins un mélange de résine polyester, de sable, de fibres de verre et éventuellement d'additifs, le mélange de résine polyester étant composé de résine polyester, d'une charge et éventuellement d'additifs.
PCT/IB2008/003769 2007-12-11 2008-12-11 Tubes de plastique enroulés renforcés par fibres de verre et procédé de fabrication WO2009074876A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007059817.5 2007-12-11
DE200710059817 DE102007059817A1 (de) 2007-12-11 2007-12-11 Gewickelte glasfaserverstärkte Kunststoffrohre sowie Verfahren zu deren Herstellung

Publications (2)

Publication Number Publication Date
WO2009074876A2 true WO2009074876A2 (fr) 2009-06-18
WO2009074876A3 WO2009074876A3 (fr) 2009-09-03

Family

ID=40679858

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2008/003769 WO2009074876A2 (fr) 2007-12-11 2008-12-11 Tubes de plastique enroulés renforcés par fibres de verre et procédé de fabrication

Country Status (2)

Country Link
DE (1) DE102007059817A1 (fr)
WO (1) WO2009074876A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015007297A1 (de) 2015-06-10 2016-12-15 Audi Ag Verfahren zum Herstellen eines Hohlkörpers
CN107116781A (zh) * 2017-04-01 2017-09-01 青阳县绿通复合材料有限公司 一种玻璃钢电缆保护管的制备方法
CN112361105A (zh) * 2020-10-27 2021-02-12 贵州昊华中意环保设备有限公司 一种环保玻璃钢夹砂管制造方法
EP4319953A1 (fr) * 2021-04-07 2024-02-14 Owens-Corning Intellectual Capital, LLC Mât support

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854504A (en) * 1972-06-15 1974-12-17 Johns Manville Multi-layered plastic pipe
US4165765A (en) * 1976-06-17 1979-08-28 Owens-Corning Fiberglas Corporation Glass fiber reinforced thermosetting resin pipe wall construction
US4450873A (en) * 1976-12-23 1984-05-29 Manville Service Corporation Reinforced plastic composite structure
US20040094637A1 (en) * 2001-06-08 2004-05-20 Masahiko Hiraki Dispersing apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE300546B (fr) * 1964-11-06 1968-04-29 Hoeganaesmetoder Ab
US4011354A (en) 1972-03-22 1977-03-08 Frede Hilmar Drostholm Method and apparatus for making tubular resin elements such as pipes
AT380089B (de) * 1984-04-11 1986-04-10 Hobas Durotec Rohre Ges M B H Rohr aus faserverstaerktem, haertbarem kunststoff, verfahren zur herstellung desselben und vorrichtung zur durchfuehrung des verfahrens
DE59605399D1 (de) * 1995-12-22 2000-07-13 Hobas Eng Ag Anlage zur Herstellung von Kunststoffrohren im Schleudergussverfahren

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854504A (en) * 1972-06-15 1974-12-17 Johns Manville Multi-layered plastic pipe
US4165765A (en) * 1976-06-17 1979-08-28 Owens-Corning Fiberglas Corporation Glass fiber reinforced thermosetting resin pipe wall construction
US4450873A (en) * 1976-12-23 1984-05-29 Manville Service Corporation Reinforced plastic composite structure
US20040094637A1 (en) * 2001-06-08 2004-05-20 Masahiko Hiraki Dispersing apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DOI YUKIO ISHI AKIRA, ICHIKAWA YASUSHI,OKINO YOSHIRO: "Study of manufacture of Biodegradable Polyester Emulsions (2) Emulsification with Various Equipements" JOURNAL OF THE ADHESION SOCIETY OF JAPAN, Bd. 41, Nr. 9, 2005, Seiten 353-359, XP002532964 Japan *

Also Published As

Publication number Publication date
DE102007059817A1 (de) 2009-06-18
WO2009074876A3 (fr) 2009-09-03

Similar Documents

Publication Publication Date Title
DE3541074A1 (de) Radfelge aus faserverstaerktem kunststoff und verfahren zu ihrer herstellung
EP2361752B1 (fr) Composant en composite de fibre et son procédé de fabrication
EP2665600B1 (fr) Procédé de fabrication d'un dispositif à fibres en forme de tube d'un élément composite renforcé par fibres et dispositif à fibres en forme de tube
WO2014183146A1 (fr) Procédé de fabrication d'une barre d'armature
DE3329021A1 (de) Verfahren und dorn zur herstellung von faserverstaerkten kunststoffgegenstaenden
EP0358178B1 (fr) Tuyau multi-couche en matière plastique et procédé de fabrication pour celui-ci
WO2009074876A2 (fr) Tubes de plastique enroulés renforcés par fibres de verre et procédé de fabrication
WO2001002164A1 (fr) Matiere composite renforcee par fibres et son procede de production
AT515539B1 (de) Ummantelung für ein Flugzeugtriebwerk und Verfahren zur Herstellung einer solchen Ummantelung
DE2901857A1 (de) Kohlenstoff-bremsscheibe mit bandumwicklung und verfahren zu ihrer herstellung
DE2422648A1 (de) Wandaufbau aus mehreren bestandteilen
EP2841648A1 (fr) Rouleau et son procédé de fabrication
DE102013107849A1 (de) Faserverbundstruktur und Verfahren zur Herstellung
DE102018211793A1 (de) Verfahren zur Herstellung eines Hohlprofils mit veränderlichen Krümmungen und Querschnitten
DE102006059737B4 (de) Ein System und Verfahren zum Formen eines Blattabschnitts
WO2006053742A2 (fr) Tuyau en plastique
DE102008051380A1 (de) Verfahren zur Reparatur von faserverstärkten Kunststoffbauteilen
DE2042073C3 (de) Faserverstärktes, flexibles Sandwich-Kunststoffrohr und Verfahren zu dessen Herstellung
EP0158631A2 (fr) Procédé pour la fabrication de tuyaux en matière plastique durcissable renforcés par fibres et dispositif pour la réalisation d'un tel procédé
DE102016007157B4 (de) Führungsrohr und Herstellungsverfahren
DE102020107743A1 (de) Hybridfaser und Verfahren zu ihrer Herstellung
DE102012100374B4 (de) System und Verfahren zur Erzeugung einer Verstärkung für ein Substrat
EP3615321B1 (fr) Procédé pour la fabrication simultanée de deux éléments composites fibreux ou plus
DE102017210815B4 (de) Verfahren zur Herstellung einer mehrlagigen Faserverbundpreform für ein Faserverbundbauteil
DE3045036A1 (de) Rohre aus verstaerkten, waermehaertbaren harzen und verfahren zu ihrer herstellung

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08859674

Country of ref document: EP

Kind code of ref document: A2