EP1575744A1 - Combination material and method for the production thereof - Google Patents
Combination material and method for the production thereofInfo
- Publication number
- EP1575744A1 EP1575744A1 EP03785554A EP03785554A EP1575744A1 EP 1575744 A1 EP1575744 A1 EP 1575744A1 EP 03785554 A EP03785554 A EP 03785554A EP 03785554 A EP03785554 A EP 03785554A EP 1575744 A1 EP1575744 A1 EP 1575744A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- material according
- meltable
- particles
- binders
- resins
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- B27N3/002—Manufacture of substantially flat articles, e.g. boards, from particles or fibres characterised by the type of binder
-
- 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
- B27N3/007—Manufacture of substantially flat articles, e.g. boards, from particles or fibres and at least partly composed of recycled material
Definitions
- the invention relates to a combination material and a method for its production.
- the invention relates to a material containing wood fibers or wood chips or both.
- Wood-based materials such as chipboard, boards with oriented long chips (OSB), high-density fiberboard (HDF) and medium-density fiberboard (MDF) are currently made from relatively high-quality wood with the addition of binders adapted to the intended use. Special additives can give the materials properties such as reduced water absorption and thus reduced thickness swelling, flame retardancy and / or conditional resistance to biological damage.
- OSB chipboard
- HDF high-density fiberboard
- MDF medium-density fiberboard
- Binder formulations based on urea-formaldehyde resin (UF), melamine-urea-formaldehyde resin (MUF), melamine-urea-phenol-formaldehyde resin (MUPF), phenol-formaldehyde resin (PF) or polymeric diisocyanates (PMDI) are used for industrial wood-based panel production , Up to 1.5% hydrophobicizing agents (eg paraffin) are added to improve water repellency.
- the solids content of the binders for UF, MUF, MUPF or PF resins is 5 to 20%, for PMDI adhesives about 2 to 6%, each based on dry wood particle mass / Deppe, Ernst 1996: MDF - medium density fibreboard , DRW-Verlag Weinbrenner GmbH & Co., Leinfelden-Echterdingen; Deppe, Ernst 2000: Paperback of chipboard technology, 4th edition, DRW-Verlag Weinbrenner GmbH & Co., Leinfelden-Echterdingen /.
- the invention is based on the object of specifying a combination material which has improved properties compared to known wood-based materials, wherein at the same time conventional binders are to be replaced by less expensive ones.
- the use of polyolefin plastics should lead to an improvement in the moisture resistance of the wood-based material.
- a combination material which is produced from a mixture of non-meltable fibrous and / or chip-shaped particles and meltable thermoplastic plastic particles and / or thermosetting plastic particles in a pre-hardened state under the action of heat and pressure and which is thermally crosslinking for reinforcement Contains binders based on amino and / or phenolic resins.
- Lignocellulose-containing fibers can be used as infusible particles.
- wood fibers or wood chips and / or carbon or glass fibers can be used as the non-meltable particles.
- inorganic fibers such as mineral fibers and / or metal threads can be used as infusible particles.
- the meltable thermoplastic plastic particles can consist of powdery or granular polyolefins.
- the polyolefins are preferably polyethylene, polyethylene terephthalate, polypropylene, polystyrene, polyamides, polycarbonates, polyvinyl chloride, acrylic and methacrylic polymers, ABS or equivalent copolymers.
- the pulverulent or granular polyolefins are comminuted recycling material, the comminuted recycling material expediently having a degree of purity of at least 90%.
- the meltable thermosetting plastic particles preferably consist of thermosetting powdery or granular resins such as acrylates, epoxy resins, saturated polyesters and polyurethanes or of mixtures of these resins.
- the binders used for reinforcement are expediently products based on urea-formaldehyde resin, melamine-formaldehyde resin, phenol-formaldehyde resin or mixed condensates of these resins or mixtures of these binders.
- the mass fraction of the thermosetting binders used for reinforcement should be 4 to 15%.
- the mass fraction of the non-meltable particles should be 40 to 80%.
- the combination material according to the invention has improved properties. The reduced hygroscopy of the materials according to the invention which contain wood fibers or wood chips is of particular importance.
- a method for producing the combination material according to the invention in which the non-meltable fibrous and / or chip-shaped particles are dried, mixed with the thermally crosslinking binders used for reinforcement and the meltable thermoplastic and / or thermosetting plastic particles and no are then heated and compressed in a press, the pressing temperature being above the softening temperature of the thermoplastic plastic particles and above the melting and reaction temperature of the thermosetting binders, and the pressing time being at least as long as the crosslinking time of the binders.
- the polyolefins are expediently comminuted into granules, powders, flakes, chips or agglomerates before they are mixed in.
- the top layer shavings made of pine wood are glued with an urea-formaldehyde resin with a solid resin content of 4% by mass and an addition of 1% by mass of paraffin dispersion (proportions based on dry wood shavings).
- This is followed by homogeneous mixing of the glued chips with powdered polyolefins (recycling material) with a share of 150% by mass, based on dry wood chips.
- the chip mats which have a very good cold tack, become 4 mm with press time factors of 15 s / mm and press temperatures of 240 ° C thick, single-layer chipboard pressed.
- plates without the addition of polyolefin were also produced.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10261569 | 2002-12-23 | ||
DE2002161569 DE10261569A1 (en) | 2002-12-23 | 2002-12-23 | Combination material, process for its production and uses |
PCT/DE2003/004074 WO2004058465A1 (en) | 2002-12-23 | 2003-12-10 | Combination material and method for the production thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1575744A1 true EP1575744A1 (en) | 2005-09-21 |
EP1575744B1 EP1575744B1 (en) | 2012-06-20 |
Family
ID=32519485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03785554A Expired - Lifetime EP1575744B1 (en) | 2002-12-23 | 2003-12-10 | Combination material and method for the production thereof |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1575744B1 (en) |
AU (1) | AU2003294646A1 (en) |
DE (1) | DE10261569A1 (en) |
WO (1) | WO2004058465A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004008827A1 (en) * | 2004-02-20 | 2005-09-08 | IHD Institut für Holztechnologie Dresden gGmbH | Plate, shaped component and cover layer consist of nonmeltable fiber and/or chip particles which contain lignocellulose, with added particles obtained from plastic waste and/or synthetic glue systems |
DE102004008822A1 (en) * | 2004-02-20 | 2005-09-22 | IHD Institut für Holztechnologie Dresden gGmbH | Insulating material comprises non-fusible wood fibers or chips in thermoplastic or thermosetting binder which consists of recycled plastics and/or synthetic adhesives based on e.g. urea-formaldehyde resin |
DE202004009957U1 (en) * | 2004-06-24 | 2005-11-03 | F.W. Barth & Co. Gmbh | Wood e.g. teak, product for e.g. wooden terrace construction, is manufactured from wooden chips bonded with adhesive agent, where chips consist of wood, which by nature and wood preservation treatment falls under resistance category two |
DE102004062649C5 (en) | 2004-12-21 | 2013-06-06 | Kronotec Ag | Process for the production of a wood fiber insulation board or mats and wood fiber insulation boards or mats produced by this process |
DE102005001914A1 (en) * | 2005-01-14 | 2006-08-03 | Steico Ag | Process for the preparation of a thermoplastic bonded wood-based panel and wood-based panel produced by this method |
ES2310065B1 (en) * | 2005-09-16 | 2009-11-11 | Grupo Antolin-Ingenieria, S.A. | METHOD AND RECYCLING PRODUCT OF LAMINARY ELEMENTS OF ROOF GUARDS FOR AUTOMOBILE VEHICLES. |
BE1017821A5 (en) * | 2007-10-19 | 2009-08-04 | Flooring Ind Ltd Sarl | PLATE, METHODS FOR MANUFACTURING PLATES AND PANEL THAT CONTAINS SUCH PLATE MATERIAL. |
CA3110100A1 (en) | 2018-09-19 | 2020-03-26 | Owens Corning Intellectual Capital, Llc | Mineral wool insulation |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS576745A (en) * | 1980-06-16 | 1982-01-13 | Eidai Co Ltd | Manufacture of particle board |
US4418031A (en) * | 1981-04-06 | 1983-11-29 | Van Dresser Corporation | Moldable fibrous mat and method of making the same |
US4474846A (en) * | 1981-04-06 | 1984-10-02 | Van Dresser Corporation | Moldable fibrous mat and product molded therefrom |
GB8400294D0 (en) * | 1984-01-06 | 1984-02-08 | Wiggins Teape Group Ltd | Fibre reinforced composite plastics material |
DD242590A1 (en) * | 1985-11-14 | 1987-02-04 | Wtz Holzverarbeitende Ind | METHOD FOR FASTENING THE SURFACE OF PLATFORM SOFT WOOD PARTICLE MATERIALS |
DE3814996A1 (en) * | 1988-05-03 | 1989-11-16 | Kast Casimir Formteile | METHOD FOR PRODUCING A FIBER MAT |
JPH02139201A (en) * | 1988-11-21 | 1990-05-29 | Kasai Kogyo Co Ltd | Ligneous fiber board for press molding |
DD277475A1 (en) * | 1988-11-29 | 1990-04-04 | Wissensch Techn Zentrum Der Ho | METHOD FOR REMOVING HINGES ON HEATING PLATES AND INSERTS OF HOT PRESSES |
DE3841310C1 (en) * | 1988-12-08 | 1990-06-07 | Werzalit Ag + Co, 7141 Oberstenfeld, De | |
DE3936974C1 (en) | 1989-11-07 | 1990-09-27 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | Treatment of paint coagulate - comprises mixing fibres with coagulate, forming layer and heat treating |
JPH04209631A (en) * | 1990-11-30 | 1992-07-31 | Nippon Rika Kogyosho:Kk | Resin-reinforced composite pulp material |
FR2679482B1 (en) * | 1991-07-26 | 1997-06-13 | Richard Faye | PROCESS FOR THE MANUFACTURE OF COMPOSITE PRODUCTS BASED ON WOOD WASTE. |
JP2745469B2 (en) * | 1992-03-13 | 1998-04-28 | ホクシン 株式会社 | Manufacturing method of ultra-thin fiberboard |
US5435945A (en) | 1992-05-29 | 1995-07-25 | Procor Sulphur Services, Inc. | Method and apparatus for generating sulphur seed particles for sulphur granule production |
US5435954A (en) * | 1993-10-08 | 1995-07-25 | Riverwood International Corporation | Method for forming articles of reinforced composite material |
DE4417836C2 (en) * | 1994-05-20 | 1996-03-28 | Lignotock Gmbh | Process for the production of molded parts |
DE4441765A1 (en) | 1994-11-24 | 1996-05-30 | Teodur Nv | Binder composition for the production of nonwoven fabrics and method for producing nonwoven molded parts |
US6344504B1 (en) | 1996-10-31 | 2002-02-05 | Crane Plastics Company Limited Partnership | Extrusion of synthetic wood material |
SE0102043L (en) | 2001-06-08 | 2002-12-09 | Ivf Industriforskning Och Utve | Wood composite material and manufacture thereof |
DE10129750B4 (en) | 2001-06-20 | 2006-09-07 | Institut für Holztechnologie Dresden gGmbH | Material of wood particles, binders and aggregates and process for its preparation |
-
2002
- 2002-12-23 DE DE2002161569 patent/DE10261569A1/en not_active Withdrawn
-
2003
- 2003-12-10 EP EP03785554A patent/EP1575744B1/en not_active Expired - Lifetime
- 2003-12-10 AU AU2003294646A patent/AU2003294646A1/en not_active Abandoned
- 2003-12-10 WO PCT/DE2003/004074 patent/WO2004058465A1/en not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO2004058465A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU2003294646A1 (en) | 2004-07-22 |
WO2004058465A1 (en) | 2004-07-15 |
EP1575744B1 (en) | 2012-06-20 |
DE10261569A1 (en) | 2004-07-22 |
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