EP2183081A1 - Single - layrer particle construction board - Google Patents
Single - layrer particle construction boardInfo
- Publication number
- EP2183081A1 EP2183081A1 EP07794283A EP07794283A EP2183081A1 EP 2183081 A1 EP2183081 A1 EP 2183081A1 EP 07794283 A EP07794283 A EP 07794283A EP 07794283 A EP07794283 A EP 07794283A EP 2183081 A1 EP2183081 A1 EP 2183081A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wood chips
- wood
- board
- characteristic feature
- chipboard
- 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.)
- Withdrawn
Links
- 238000010276 construction Methods 0.000 title claims abstract description 12
- 239000002245 particle Substances 0.000 title description 2
- 239000002023 wood Substances 0.000 claims abstract description 19
- 239000003292 glue Substances 0.000 claims abstract description 11
- 239000011093 chipboard Substances 0.000 claims abstract description 8
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 4
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 4
- HANVTCGOAROXMV-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine;urea Chemical compound O=C.NC(N)=O.NC1=NC(N)=NC(N)=N1 HANVTCGOAROXMV-UHFFFAOYSA-N 0.000 claims description 3
- 229920001807 Urea-formaldehyde Polymers 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000009416 shuttering Methods 0.000 description 1
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
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.
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 (1)
| Publication Number | Publication Date |
|---|---|
| EP2183081A1 true EP2183081A1 (en) | 2010-05-12 |
Family
ID=38983284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07794283A Withdrawn EP2183081A1 (en) | 2007-08-08 | 2007-08-08 | Single - layrer particle construction board |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2183081A1 (en) |
| WO (1) | WO2009020438A1 (en) |
Family Cites Families (5)
| 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 |
| US5071682A (en) * | 1989-07-28 | 1991-12-10 | Melamine Chemicals, Inc. | Method of using non-resinous melamine to safen urea-formaldehyde-wood composite products and product produced thereby |
| ES2157170B1 (en) | 1999-10-26 | 2002-02-01 | Tabsal Composites De Madera S | PROCEDURE FOR THE PRODUCTION OF AGLOMERATED WOODEN BOARDS. |
| DE50109378D1 (en) | 2001-06-12 | 2006-05-18 | Edmone Roffael | Process for producing moisture-resistant chipboard and medium-density fibreboard (MDF) |
| 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 |
-
2007
- 2007-08-08 WO PCT/SK2007/000006 patent/WO2009020438A1/en not_active Ceased
- 2007-08-08 EP EP07794283A patent/EP2183081A1/en not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009020438A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009020438A9 (en) | 2009-08-20 |
| WO2009020438A1 (en) | 2009-02-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20100305 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR |
|
| AX | Request for extension of the european patent |
Extension state: AL BA HR MK RS |
|
| RAX | Requested extension states of the european patent have changed |
Extension state: RS Payment date: 20100305 Extension state: MK Payment date: 20100305 Extension state: BA Payment date: 20100305 Extension state: AL Payment date: 20100305 |
|
| 17Q | First examination report despatched |
Effective date: 20131031 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20140311 |