WO2009020438A1 - Single - layer particle construction board - Google Patents

Single - layer particle construction board Download PDF

Info

Publication number
WO2009020438A1
WO2009020438A1 PCT/SK2007/000006 SK2007000006W WO2009020438A1 WO 2009020438 A1 WO2009020438 A1 WO 2009020438A1 SK 2007000006 W SK2007000006 W SK 2007000006W WO 2009020438 A1 WO2009020438 A1 WO 2009020438A1
Authority
WO
WIPO (PCT)
Prior art keywords
wood chips
wood
board
characteristic feature
chipboard
Prior art date
Application number
PCT/SK2007/000006
Other languages
French (fr)
Other versions
WO2009020438A9 (en
Inventor
Ján BALUN
Martin Vlcek
Milos Pachta
Original Assignee
Kronospan Sk S.R.O.
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 Kronospan Sk S.R.O. filed Critical Kronospan Sk S.R.O.
Priority to PCT/SK2007/000006 priority Critical patent/WO2009020438A1/en
Priority to EP07794283A priority patent/EP2183081A1/en
Publication of WO2009020438A1 publication Critical patent/WO2009020438A1/en
Publication of WO2009020438A9 publication Critical patent/WO2009020438A9/en

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
    • 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
    • B27N9/00—Arrangements for fireproofing

Definitions

  • the invention relates to the construction wood-based chipboard. Present technical status
  • the single ply board eliminates the above mentioned drawbacks.
  • the board structure is made of wood chips with thickness of 1 to 3.5mm, specially selected for this purpose. Wooden semi-finished goods designed for the production of wood chips must contain the minimum of bark.
  • the wood chips are subsequently mixed with melamine-urea-formaldehyde glue with high melamine content, in the following ratio: 13 -17% of dry matter of glue per 100% of dry matter of wood chips.
  • the created homogeneous mixture of chips and glue is layered onto the moulding belt of press, then it is pressed to the necessary thickness and after glue hardening the board is produced, which is usable also in humid conditions without change of shape and quality properties.
  • the board structure is the homogeneous one, the quality of workability is higher in comparison with the boards well-known at present. As it is produced mainly with thickness of less than 10mm, the handling of board becomes easier. Moreover, this board is of higher fire resistance rating, but the biggest advantage is its simpler and faster production and therefore also lower energy demands per one production unit.
  • the construction board made of wood chips with thickness of 1 - 3.5 mm produced from wooden semi-finished goods with low content of bark and mixed with melamine-urea- formaldehyde glue with high content of melamine in ratio 13 - 17 % of dry matter of glue per 100% of dry matter of wood chips.
  • the next steps of manufacturing process are layering this homogeneous ply onto the moulding belt of press, pressing to the required thickness and . hardening of glue.
  • the board is usable in humid conditions without changing its shape and quality and it is of higher fire resistance rating.
  • the construction board is produced as per Example No. 1, but the colour suitable for colour finish of wood is added into the mixture of wood chips and glue and therefore wider colour variability and better decorative properties of the board are achieved.
  • the single ply construction chipboards can be used as load-bearing constructional elements for interior use in humid conditions, baseboards for flooring systems, roof covers, shuttering elements, in the production of packages, pallets, containers; and also as combined wall structures, temporary fencings of constructions, and for decorative usage in interiors.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

The single ply construction chipboard made of homogeneous ply of wood chips mixed with special melamme-urea-formaldehyde glue with high melamine content; usable in humid conditions without changing its shape and quality.

Description

SINGLE - LAYRER PARTICLE CONSTRUCTION BOARD
Technical field
The invention relates to the construction wood-based chipboard. Present technical status
At present well-known construction wood-based chipboards are produced as the three ply ones, with external plies of boards made of fine wood chips and the middle ply of board made of coarser fractions of wood chips. These boards are suitable for humid conditions typical for the building constructions. Main disadvantages:
- inhomogeneous structure and therefore lower rigidity distributed irregularly on the surface of the whole board lower quality of workability more difficult handling ( these boards are produced in thickness of more than 1 Omm ) high technological and energy demands for the production and therefore higher price
Subject-matter of the invention
The single ply board eliminates the above mentioned drawbacks. The board structure is made of wood chips with thickness of 1 to 3.5mm, specially selected for this purpose. Wooden semi-finished goods designed for the production of wood chips must contain the minimum of bark.
The wood chips are subsequently mixed with melamine-urea-formaldehyde glue with high melamine content, in the following ratio: 13 -17% of dry matter of glue per 100% of dry matter of wood chips. The created homogeneous mixture of chips and glue is layered onto the moulding belt of press, then it is pressed to the necessary thickness and after glue hardening the board is produced, which is usable also in humid conditions without change of shape and quality properties. Based on the fact that the board structure is the homogeneous one, the quality of workability is higher in comparison with the boards well-known at present. As it is produced mainly with thickness of less than 10mm, the handling of board becomes easier. Moreover, this board is of higher fire resistance rating, but the biggest advantage is its simpler and faster production and therefore also lower energy demands per one production unit.
Examples of the invention implementation
Example No. 1
The construction board made of wood chips with thickness of 1 - 3.5 mm produced from wooden semi-finished goods with low content of bark and mixed with melamine-urea- formaldehyde glue with high content of melamine in ratio 13 - 17 % of dry matter of glue per 100% of dry matter of wood chips. The next steps of manufacturing process are layering this homogeneous ply onto the moulding belt of press, pressing to the required thickness and . hardening of glue. The board is usable in humid conditions without changing its shape and quality and it is of higher fire resistance rating. Example No. 2
The construction board is produced as per Example No. 1, but the colour suitable for colour finish of wood is added into the mixture of wood chips and glue and therefore wider colour variability and better decorative properties of the board are achieved.
Industrial usability
The single ply construction chipboards can be used as load-bearing constructional elements for interior use in humid conditions, baseboards for flooring systems, roof covers, shuttering elements, in the production of packages, pallets, containers; and also as combined wall structures, temporary fencings of constructions, and for decorative usage in interiors.

Claims

PATENT ENTITELMENTS
1. The single ply construction wood-based chipboard of which its structure consisting of one homogeneous ply of wood chips with thickness of 1 - 3.5mm is the characteristic feature.
2. The chipboard as per article 1 of which the characteristic feature is that wood chips are mixed with melamine-urea-formaldehyde glue with high content of melamine in ratio 13 - 17% of dry matter of glue per 100% of dry matter of wood chips.
3. The single ply construction wood-based chipboard of which its usability in humid conditions without any change regarding its shape and quality is the characteristic feature.
4. The single ply construction wood-based chipboard of which the characteristic feature is its higher fire resistance.
PCT/SK2007/000006 2007-08-08 2007-08-08 Single - layer particle construction board WO2009020438A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/SK2007/000006 WO2009020438A1 (en) 2007-08-08 2007-08-08 Single - layer particle construction board
EP07794283A EP2183081A1 (en) 2007-08-08 2007-08-08 Single - layrer particle construction board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SK2007/000006 WO2009020438A1 (en) 2007-08-08 2007-08-08 Single - layer particle construction board

Publications (2)

Publication Number Publication Date
WO2009020438A1 true WO2009020438A1 (en) 2009-02-12
WO2009020438A9 WO2009020438A9 (en) 2009-08-20

Family

ID=38983284

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SK2007/000006 WO2009020438A1 (en) 2007-08-08 2007-08-08 Single - layer particle construction board

Country Status (2)

Country Link
EP (1) EP2183081A1 (en)
WO (1) WO2009020438A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6140108A (en) * 1984-07-31 1986-02-26 Sanyo Kokusaku Pulp Co Ltd Manufacture of light woody plate
EP0410782A1 (en) * 1989-07-28 1991-01-30 Melamine Chemicals, Inc. Method of using non-resinous melamine to safen urea-formaldehyde wood composite products and product produced thereby
EP1095749A1 (en) 1999-10-26 2001-05-02 Tabsal Composites de Madera, S.A. Production process for wood conglomerate boards
EP1266730A1 (en) 2001-06-12 2002-12-18 Akzo Nobel N.V. Method of manufacturing moisture resistant fibreboards
DE102005033687A1 (en) 2005-07-19 2007-01-25 Steico Ag Wooden fiber boards made of ligno-cellulose bound with binding agent mixed with additional material if desired; method to produce same whereby fibers are shredded, fluid binding agents added, fibers dried and materials added in

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6140108A (en) * 1984-07-31 1986-02-26 Sanyo Kokusaku Pulp Co Ltd Manufacture of light woody plate
EP0410782A1 (en) * 1989-07-28 1991-01-30 Melamine Chemicals, Inc. Method of using non-resinous melamine to safen urea-formaldehyde wood composite products and product produced thereby
EP1095749A1 (en) 1999-10-26 2001-05-02 Tabsal Composites de Madera, S.A. Production process for wood conglomerate boards
EP1266730A1 (en) 2001-06-12 2002-12-18 Akzo Nobel N.V. Method of manufacturing moisture resistant fibreboards
DE102005033687A1 (en) 2005-07-19 2007-01-25 Steico Ag Wooden fiber boards made of ligno-cellulose bound with binding agent mixed with additional material if desired; method to produce same whereby fibers are shredded, fluid binding agents added, fibers dried and materials added in

Also Published As

Publication number Publication date
WO2009020438A9 (en) 2009-08-20
EP2183081A1 (en) 2010-05-12

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