WO2011128048A1 - Procédé de fabrication d'un profilé extrudé renforcé par des fibres et profilé extrudé renforcé par des fibres - Google Patents

Procédé de fabrication d'un profilé extrudé renforcé par des fibres et profilé extrudé renforcé par des fibres Download PDF

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Publication number
WO2011128048A1
WO2011128048A1 PCT/EP2011/001781 EP2011001781W WO2011128048A1 WO 2011128048 A1 WO2011128048 A1 WO 2011128048A1 EP 2011001781 W EP2011001781 W EP 2011001781W WO 2011128048 A1 WO2011128048 A1 WO 2011128048A1
Authority
WO
WIPO (PCT)
Prior art keywords
fibers
reinforcement
extrusion
fiber
reinforcing
Prior art date
Application number
PCT/EP2011/001781
Other languages
German (de)
English (en)
Inventor
Edgar Quandt
Peter Michel
Original Assignee
Rehau Ag + Co
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 Rehau Ag + Co filed Critical Rehau Ag + Co
Publication of WO2011128048A1 publication Critical patent/WO2011128048A1/fr

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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
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
    • B29C70/523—Pultrusion, i.e. forming and compressing by continuously pulling through a die and impregnating the reinforcement in the die
    • 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
    • B29C48/154—Coating solid articles, i.e. non-hollow articles
    • 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
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/001—Profiled members, e.g. beams, sections
    • B29L2031/003—Profiled members, e.g. beams, sections having a profiled transverse cross-section

Definitions

  • the invention relates to a method for producing a fiber-reinforced extrusion profile.
  • the requirements for high-volume production on the one hand and the requirement for a very high mechanical load-bearing capacity of the manufactured components on the other hand are mutually exclusive.
  • the curing time which determines the cycle time is considerably longer than that of the thermoplastics which can be processed by the high-pressure processes because of the curing times of the thermosetting resin systems used.
  • the low-pressure processes usually require a discontinuous production, which also has a negative effect on the production costs.
  • the invention has for its object to provide a method for the production of a fiber-reinforced extrusion profile, which is easy to carry out and still the production of relatively complex, highly resilient
  • this object is achieved by a method for producing a fiber-reinforced extrusion profile, wherein at least one reinforcing fiber-containing reinforcement is extruded into a base plastic matrix and wherein the reinforcement in addition to the reinforcing fibers in addition to the rigidity of
  • the invention is based on the idea of being able to ensure the desired stability in the end product, ie the extrusion profile, by means of a hybrid reinforcement on the one hand, and on the other hand to facilitate the extrusion of the reinforcement. While the reinforcing fibers increase the mechanical strength of the extruded profile produced, the stabilizing fibers ensure that the reinforcement remains dimensionally stable when entering the extruder and accordingly provides a very targeted, exact reinforcement with the aid of the armouring. material can be achieved. This makes it possible to approximate the processing rigidity of the reinforcement to that of a metal sheet.
  • the reinforcement comprises at least one woven, braided, knitted or, preferably unidirectional, roving.
  • the reinforcing fibers suitably contain mineral, in particular glass, and / or carbon and / or aramid and / or basalt fibers.
  • the reinforcing fibers consist of one or a mixture of several of the aforementioned materials.
  • the stabilizing fibers preferably contain metal and / or plastic fibers, the stabilizing fibers in particular consisting of metal and / or plastic fibers.
  • plastic fibers are, for example, high-strength plastic fibers, such as polyester.
  • the reinforcement runs as a three-dimensional structure in the extrusion process.
  • This three-dimensional structure may, for example, have a T, L or double T cross-section.
  • individual reinforcing tapes can be correspondingly connected to one another, for example by stitching, gluing, sewing or similar joining techniques.
  • the stabilizing fibers according to the invention ensure the required processing rigidity of the same when entering the extrusion process.
  • the extrusion profile can be designed as an open or alternatively as a closed hollow profile.
  • the reinforcing fibers may be oriented in the extrusion direction, while the stabilizing fibers are preferably oriented transversely to the extrusion direction.
  • the reinforcing fibers suitably have a thickness of 0.005 mm to 0.02 mm, while the thickness of the stabilizing fibers is preferably 0.01 mm to 0.1 mm.
  • the base plastic matrix contains, for example, polypropylene and / or PVC and / or polyethylene or consists of one or a mixture of several of the aforementioned materials.
  • the surface of the extrusion profile is formed exclusively by the base plastic matrix.
  • the invention also provides a fiber-reinforced extrusion profile, which is produced by a method according to one of claims 1 to 9.
  • Preferred fields of application of the extrusion profiles produced by the method according to the invention are the automotive industry (car and / or truck construction) - in particular structural components therefor, such as, for example, Vehicle superstructures, trailers, door systems -, refrigeration equipment (especially refrigeration equipment frames), air conditioning systems (especially frame profiles), the construction sector in general - especially window profiles, post profiles and sewer pipe systems, skylights, rooflights, smoke and heat exhaust systems, greenhouses, commercial horticulture, halls , Tent or exhibition construction, canopies, frame systems for shower cubicles, frame systems for solar cell systems, shelving systems, aircraft and also shipbuilding.
  • the profiles can also be used in general machine and plant construction (for example as cover profiles or gripping strips or for packaging systems), for example as a replacement for metal profiles or
  • Fig. 2 different embodiments a) to d) in terms of the shape of a reinforcement for producing the fiber reinforcement, in each case in section, and
  • FIGS. 3a to 3h show different extrusion profiles produced by the method according to the invention in the cross-sectional representation.
  • the reinforcements 2 are drawn off from tape rolls 3 and optionally preheated by means of heat radiators 4.
  • the reinforcements 2 contain reinforcing fibers 5 (FIG. 2), which are extruded in an extruder 6 into a base plastic matrix 7.
  • the base plastic matrix 7 may consist of unreinforced plastic material, but alternatively also of a fiber-reinforced plastic material.
  • a reinforcement 2 additionally contains, in addition to the reinforcing fibers 5, the rigidity of the reinforcing fibers 8, which increase the reinforcement 2, from a material which differs from the reinforcing fibers 5.
  • the reinforcements 2 are formed as a fabric.
  • the reinforcing fibers 5 are made in the embodiment of glass fibers, while the stabilizing fibers 8 are made of high-strength polyester fibers.
  • the task of the stabilizing fibers 8 is in particular in the stiffening of the fabric 2 to simplify the handling and stabilization in the extrusion process to the contact with the melt of the base plastic matrix 7 in the extrusion die.
  • the stabilizing fibers 8 melt during the extrusion process, since the stiffening effect in the finished extrusion profile 1 is based at least largely on the extrusion of the reinforcing fibers 5.
  • Figures 3a to 3h it can be seen that the reinforcement 2 can enter as a three-dimensional structure in the extrusion process.
  • L- (FIGS. 3c, 3e), T- (FIG. 3h) and double-T-profiles (FIG. 3d) of the reinforcement 2 are possible, but also other geometries, as shown for example in FIGS. 3f and 3g ,
  • Extrusion profile 1 can be designed as an open (FIG. 3f) or alternatively also as a closed hollow profile (FIGS. 3e, 3g).
  • the stabilizing fibers 8 are all aligned transversely to the extrusion direction x.
  • individual reinforcing fibers 5 are additionally aligned transversely to the extrusion direction x
  • individual stabilizing fibers 8 are aligned transversely to the extrusion direction x.
  • other angular orientations ⁇ are not excluded by this.
  • the base plastic matrix 7 consists of polypropylene.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un profilé extrudé (1) renforcé par des fibres, au moins une armature (2) contenant des fibres de renforcement étant extrudée dans une matrice plastique de base, l'armature (2) contenant, en plus des fibres de renforcement, des fibres de stabilisation constituées d'un matériau différent de celui des fibres de renforcement et augmentant la rigidité de l'armature (2). Ainsi, cela augmente la stabilité de forme de l'armature (2) pendant son introduction dans la matrice plastique de base. L'invention concerne également un profilé extrudé (1) renforcé par des fibres.
PCT/EP2011/001781 2010-04-14 2011-04-11 Procédé de fabrication d'un profilé extrudé renforcé par des fibres et profilé extrudé renforcé par des fibres WO2011128048A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010015021.5 2010-04-14
DE102010015021A DE102010015021A1 (de) 2010-04-14 2010-04-14 Verfahren zur Herstellung eines faserverstärkten Extrusionsprofils sowie faserverstärktes Extrusionsprofil

Publications (1)

Publication Number Publication Date
WO2011128048A1 true WO2011128048A1 (fr) 2011-10-20

Family

ID=44279773

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/001781 WO2011128048A1 (fr) 2010-04-14 2011-04-11 Procédé de fabrication d'un profilé extrudé renforcé par des fibres et profilé extrudé renforcé par des fibres

Country Status (2)

Country Link
DE (1) DE102010015021A1 (fr)
WO (1) WO2011128048A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9010839B2 (en) 2012-10-24 2015-04-21 Sabic Global Technologies B.V. Vehicle side door structure and method of making and using the same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3011521B1 (fr) * 2013-10-04 2016-07-15 Faurecia Bloc Avant Procede de fabrication d'un absorbeur de chocs pour vehicule automobile
US20240100784A1 (en) * 2022-09-28 2024-03-28 The Boeing Company Methods and apparatus for manufacturing a thermoplastic structure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6019521A (ja) * 1983-07-14 1985-01-31 Agency Of Ind Science & Technol 連続押出成形方法
EP0561151A1 (fr) * 1992-03-18 1993-09-22 Peguform-Werke Gmbh Procédé pour la fabrication de supports en matières synthétiques renforcées de fibres pour pare-choc de véhicules ainsi que supports similaires
EP1529619A1 (fr) * 2003-11-06 2005-05-11 Cesare Frabbi Profilé tubulaire extrudé en matière plastique renforcée par des fibres de verre et dispositif pour sa fabrication
WO2009103768A1 (fr) * 2008-02-21 2009-08-27 Airbus Operations Gmbh Procédé et dispositif de production de profilés en plastique renforcés par des fibres

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2910984A1 (de) * 1979-03-21 1980-10-09 Bayer Ag Faserverbundwerkstoffteile mit einlagen und verfahren zu ihrer herstellung
AU1501783A (en) * 1982-07-23 1984-01-26 Fisco Products Limited Measuring tape construction
EP1342623A1 (fr) * 2002-03-08 2003-09-10 N.V. Bekaert S.A. Poutre de choc renforcé
EP1602469A1 (fr) * 2004-06-04 2005-12-07 N.V. Bekaert S.A. Produit textile avec des cordes métalliques et des fibres non-métalliques et feuille semi-finie comprenant un tel produit
DE102009016596A1 (de) * 2009-04-08 2010-10-14 Rehau Ag + Co Verfahren zur Herstellung eines hochsteifen, hybriden Endlosprofils sowie hochsteifes, hybrides Endlosprofil

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6019521A (ja) * 1983-07-14 1985-01-31 Agency Of Ind Science & Technol 連続押出成形方法
EP0561151A1 (fr) * 1992-03-18 1993-09-22 Peguform-Werke Gmbh Procédé pour la fabrication de supports en matières synthétiques renforcées de fibres pour pare-choc de véhicules ainsi que supports similaires
EP1529619A1 (fr) * 2003-11-06 2005-05-11 Cesare Frabbi Profilé tubulaire extrudé en matière plastique renforcée par des fibres de verre et dispositif pour sa fabrication
WO2009103768A1 (fr) * 2008-02-21 2009-08-27 Airbus Operations Gmbh Procédé et dispositif de production de profilés en plastique renforcés par des fibres

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9010839B2 (en) 2012-10-24 2015-04-21 Sabic Global Technologies B.V. Vehicle side door structure and method of making and using the same
US9272606B2 (en) 2012-10-24 2016-03-01 Sabic Global Technologies B.V. Vehicle side door structure and method of making and using the same
US9868339B2 (en) 2012-10-24 2018-01-16 Sabic Global Technologies B.V. Vehicle side door structure and method of making and using the same

Also Published As

Publication number Publication date
DE102010015021A1 (de) 2011-10-20

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