WO2004000529A1 - Procede de production de composants en matieres thermoplastiques remplies de fibres lignocellulosiques de qualite superieure - Google Patents

Procede de production de composants en matieres thermoplastiques remplies de fibres lignocellulosiques de qualite superieure Download PDF

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Publication number
WO2004000529A1
WO2004000529A1 PCT/EP2003/006595 EP0306595W WO2004000529A1 WO 2004000529 A1 WO2004000529 A1 WO 2004000529A1 EP 0306595 W EP0306595 W EP 0306595W WO 2004000529 A1 WO2004000529 A1 WO 2004000529A1
Authority
WO
WIPO (PCT)
Prior art keywords
fibers
filled
thermoplastic
lignocellulose
fiber
Prior art date
Application number
PCT/EP2003/006595
Other languages
German (de)
English (en)
Inventor
Maik Ziegler
Jürgen BRUNNING
Original Assignee
Fagerdala Deutschland Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE2002128191 external-priority patent/DE10228191A1/de
Application filed by Fagerdala Deutschland Gmbh filed Critical Fagerdala Deutschland Gmbh
Priority to AU2003250844A priority Critical patent/AU2003250844A1/en
Publication of WO2004000529A1 publication Critical patent/WO2004000529A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/045—Reinforcing macromolecular compounds with loose or coherent fibrous material with vegetable or animal fibrous material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/28—Moulding or pressing characterised by using extrusion presses
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0005—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fibre reinforcements
    • 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
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • 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
    • 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
    • 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
    • B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
    • B29K2711/14—Wood, e.g. woodboard or fibreboard
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene

Definitions

  • the invention relates to a method for producing plastic
  • Molded parts consisting of a thermoplastic matrix and 60 to 98% by weight of lignocellulose fibers.
  • plastic moldings with a high fiber content.
  • components made of polymers as a matrix in connection with fibers as a filler or for reinforcement are manufactured.
  • Glass or carbon fibers are mainly used for high-strength components.
  • components for the automobile interior are known, whereby these are often manufactured from thermosets and natural fibers in the pressing process.
  • Wood fibers in connection with polypropylene are also increasingly used in the automotive sector.
  • the maximum proportion of wood fiber in the extrusion process in the manufacture of panels and semi-finished products is 50%. Further applications can also be found in landscaping and in the furniture industry, whereby the fiber-matrix adhesion and thus the quality and strength of the components are reduced as the degree of filling increases.
  • DE 199 34 871 describes an embodiment of an extrusion tool for shaping polymers with approximately 90% wood fiber content. The premixing and composition of the is also problematic
  • DE 198 52 067 describes the composition of natural fiber reinforced plastics using hemp fibers
  • US 76685 describes a process which includes the premixing and the subsequent extrusion of wood-filled thermoplastics with filler contents of up to 75%.
  • the adhesion between natural fibers and matrix polymer is also increased when adding thermoplastics and natural fibers by adding silanes, maleic anhydride or isocyanates and dimeric alkyl ketene.
  • maleic anhydride the anhydride group reacts with the hydroxyl groups of the cellulose fibers.
  • a non-polar bond is attached to the fiber, which in turn is soluble in a non-polar plastic matrix and thus increases the adhesive strength.
  • the current process for achieving high fill levels for plastics filled with natural fibers and ensuring fiber-matrix adhesion is associated with a high expenditure of time, energy and costs.
  • the natural fibers are dried extensively and are often treated chemically with bactericides and fungicides.
  • New processes for the digestion and separation of lignocellulosic fibers into the constituents lignin and cellulose can be used for the preparation and extraction of various fiber constituents such as lignin, which subsequently enable thermoplastic processing; however, complex process steps are also necessary here.
  • the invention is therefore based on the object of providing a method by which inexpensive, high-quality molded parts with high strength can be produced, which are made of thermoplastic materials
  • lignocellulose fiber content 60% to 98%, preferably wood fibers and polypropylene.
  • This object is achieved according to the invention by a process for the production of moldings from filled thermoplastic material with a filler content of at least 60% by weight, in which lignocellulose fibers are used as filler, which are mixed with the thermoplastic and processed by extrusion of the mixture, and in which the processed mixture is pressed in a shaping tool.
  • the extrusion pressures for gentle processing can be between 40 and 450 bar, preferably they are in the range of around 100 bar and are realized using planetary roller extruders.
  • the pressures for the final shaping are essential for the component strength and must be correspondingly higher between 100 bar and 5000 bar, preferably in the range around 1000 bar.
  • these compression pressures achieve an at least partial digestion of the fibers and thus an at least partial separation of the lignin portion from the natural fibers.
  • the thermoplastic properties of the deposited lignin result in a of the fibers and a connection to the thermoplastic components as well as an increased fluidity of the composite material.
  • the thermoplastic properties of the lignin in conjunction with the synthetic thermoplastic thus act as a binder and contribute to increased fiber-matrix adhesion after the compression molding process has been completed.
  • composite components is possible using the pressing process.
  • other composite partners can preferably be molded from the same base material as the polymer matrix in a foamed and unfoamed version.
  • An inexpensive lignocellulose-filled base body can thus be manufactured in one production step with soft foamed and / or textile decorative materials.
  • An advantageous variant is the use of lignocellulosic fibers with a moisture content of the fibers greater than 3% and pressures around 1000 bar during the pressing process and 100 bar during the previous preparation process.
  • the moisture of the wood fibers in connection with an overpressure can support a disintegration of the fibers and thus an at least partial separation of the lignin portion of the natural fibers and a subsequent better wettability.
  • plunge edge tools Another variant is the use of plunge edge tools.
  • the tool filling process takes place when the tool is not completely closed.
  • the internal pressure of the mold can be regulated via a subsequent post-compression by closing the tool after the filling process, which likewise leads to the effect described in connection with the pressing presses and increases the strength of the plastic moldings obtained.
  • adhesion promoters such as silanes, anhydrides, isocyanates or alkyl ketene during the process or a pretreatment of the fibers with adhesion promoters and / or copolymerization with a non-polar polymer, preferably polyolefin, causes a reaction with the hydroxyl groups of the cellulose fibers and thus better solubility and increased fiber - Matrix liability.
  • An advantage of this process is primarily the possibility of producing components with a high proportion of lignocellulose fibers, preferably wood fibers, in the strand laying process, which are significantly less expensive than pure wooden components or also pure plastic components.
  • the shape of the components can be selected almost arbitrarily via the tool design, which in comparison to solid wooden molded parts enables rational production of components without post-processing.
  • the highly filled plastics are characterized by similar properties to wood, have high strength and can be seen above all as an inexpensive alternative to solid wood parts. In this way, components such as hat racks, sun visors, pillar trims, door side trims, instrument panels, sports and leisure equipment, etc. can be manufactured.
  • the introduction of decorative or functional materials for the stiffness-imparting wood-filled thermoplastics into the shaping tool can be implemented particularly advantageously.
  • wood fibers with a moisture of 2-10% are added to a polypropylene granulate or powder.
  • the mixture is achieved via manual premixing or via premixed pellets or through metering devices or for fiber addition via a forced feed in a planetary roller extruder.
  • the mixture (extrudate) extruded at a pressure of approximately 100 bar is subsequently fed into a press tool and, if necessary, with other network partners, e.g. Decorative materials, pressed to a shaped body at a pressure of about 1000 bar.

Abstract

L'invention concerne un procédé de production de pièces moulées qui sont constituées d'une matrice thermoplastique et d'une fraction de charge d'au moins 60 % de fibres lignocellulosiques. Pour augmenter l'adhérence entre les fibres et la matrice, on mélange les fibres lignocellulosiques à la matière thermoplastique ; on prépare le mélange par extrusion et on comprime le mélange ainsi obtenu dans un moule de façonnage.
PCT/EP2003/006595 2002-06-24 2003-06-23 Procede de production de composants en matieres thermoplastiques remplies de fibres lignocellulosiques de qualite superieure WO2004000529A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003250844A AU2003250844A1 (en) 2002-06-24 2003-06-23 Method for producing parts from high-grade lignocellulose fiber-filled thermoplastics

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2002128191 DE10228191A1 (de) 2001-12-21 2002-06-24 Verfahren zur Herstellung von Bauteilen aus hochgradig lignocellulosefaser-gefüllten Thermoplasten
DE10228191.2 2002-06-24

Publications (1)

Publication Number Publication Date
WO2004000529A1 true WO2004000529A1 (fr) 2003-12-31

Family

ID=29795861

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/006595 WO2004000529A1 (fr) 2002-06-24 2003-06-23 Procede de production de composants en matieres thermoplastiques remplies de fibres lignocellulosiques de qualite superieure

Country Status (2)

Country Link
AU (1) AU2003250844A1 (fr)
WO (1) WO2004000529A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005051300A2 (fr) 2003-11-19 2005-06-09 Array Biopharma Inc. Inhibiteurs bicycliques de mek et leurs procedes de production
EP1621319A1 (fr) * 2004-07-28 2006-02-01 Polyplastics Co., Ltd. Procédé pour la fabrication d'une composition de résine liquide-cristalline
DE102004034039A1 (de) * 2004-07-13 2006-02-09 Technamation Technical Europe Gmbh Extrusionsverfahren und Extruder für zellulosehaltiges Material
EP1892072A1 (fr) 2006-08-22 2008-02-27 HONDA MOTOR CO., Ltd. Recyclage de plastiques renforcés de fibres dans un process d'injection
DE102006045226B3 (de) * 2006-09-26 2008-05-29 Novo-Tech Gmbh & Co. Kg Verfahren zum Herstellen von Dielen und Diele aus polymer gebundenen Faserwerkstoffen
EP2361905A1 (fr) 2005-05-18 2011-08-31 Array Biopharma Inc. Inhibiteurs hétérocycliques de MEK et leurs utilisation
WO2013102590A1 (fr) * 2012-01-03 2013-07-11 Thermoplast Composite Gmbh Matériau composite renforcé de fibres

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2192398A (en) * 1986-07-09 1988-01-13 Bohuslav Vaclav Kokta Composites of cellulosic fibers and vinyl chloride polymer bonded by an isocyanate bonding agent
FR2626580A1 (en) * 1988-01-28 1989-08-04 Reverdy Michel Process for the preparation of a new granular thermoformable composite material based on straw or forage and device for making use of this process
EP0540026A1 (fr) * 1991-10-31 1993-05-05 Montell North America Inc. Compositions de polyoléfine et procédé pour leur préparation
DE19500283A1 (de) * 1994-01-08 1995-07-20 Stewing Nachrichtentechnik Verfahren zum Herstellen von Gegenständen mit holzähnlichem Charakter
EP0805181A1 (fr) * 1996-03-05 1997-11-05 INDUSTRIAL TECHNICAL R&D LABORATORY INC. Composition à mouler à base de polyester aliphatique
US6255368B1 (en) * 1997-08-29 2001-07-03 Kevin P. Gohr Plastic wood-fiber pellets

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2192398A (en) * 1986-07-09 1988-01-13 Bohuslav Vaclav Kokta Composites of cellulosic fibers and vinyl chloride polymer bonded by an isocyanate bonding agent
FR2626580A1 (en) * 1988-01-28 1989-08-04 Reverdy Michel Process for the preparation of a new granular thermoformable composite material based on straw or forage and device for making use of this process
EP0540026A1 (fr) * 1991-10-31 1993-05-05 Montell North America Inc. Compositions de polyoléfine et procédé pour leur préparation
DE19500283A1 (de) * 1994-01-08 1995-07-20 Stewing Nachrichtentechnik Verfahren zum Herstellen von Gegenständen mit holzähnlichem Charakter
EP0805181A1 (fr) * 1996-03-05 1997-11-05 INDUSTRIAL TECHNICAL R&D LABORATORY INC. Composition à mouler à base de polyester aliphatique
US6255368B1 (en) * 1997-08-29 2001-07-03 Kevin P. Gohr Plastic wood-fiber pellets

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005051300A2 (fr) 2003-11-19 2005-06-09 Array Biopharma Inc. Inhibiteurs bicycliques de mek et leurs procedes de production
DE102004034039A1 (de) * 2004-07-13 2006-02-09 Technamation Technical Europe Gmbh Extrusionsverfahren und Extruder für zellulosehaltiges Material
DE102004034039B4 (de) * 2004-07-13 2008-04-17 Technamation Technical Europe Gmbh Extrusionsverfahren und Extruder für zellulosehaltiges Material
EP1621319A1 (fr) * 2004-07-28 2006-02-01 Polyplastics Co., Ltd. Procédé pour la fabrication d'une composition de résine liquide-cristalline
US7897083B2 (en) 2004-07-28 2011-03-01 Polyplastics Co., Ltd. Method for manufacturing liquid crystalline resin composition of reduced density
EP2361905A1 (fr) 2005-05-18 2011-08-31 Array Biopharma Inc. Inhibiteurs hétérocycliques de MEK et leurs utilisation
EP2364973A1 (fr) 2005-05-18 2011-09-14 Array Biopharma, Inc. Inhibiteurs hétérocycliques de MEK et ses procédés d'utilisation
EP1892072A1 (fr) 2006-08-22 2008-02-27 HONDA MOTOR CO., Ltd. Recyclage de plastiques renforcés de fibres dans un process d'injection
DE102006045226B3 (de) * 2006-09-26 2008-05-29 Novo-Tech Gmbh & Co. Kg Verfahren zum Herstellen von Dielen und Diele aus polymer gebundenen Faserwerkstoffen
WO2013102590A1 (fr) * 2012-01-03 2013-07-11 Thermoplast Composite Gmbh Matériau composite renforcé de fibres

Also Published As

Publication number Publication date
AU2003250844A1 (en) 2004-01-06

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